CI updates

modified:   p_elf_enum.h

.clang-tidy

@@ -20,6 +20,7 @@ Checks: >
     -bugprone-suspicious-memory-comparison,
     -bugprone-suspicious-string-compare,
     -bugprone-switch-missing-default-case,
+    -bugprone-unintended-char-ostream-output,
   clang-analyzer-*,
     -clang-analyzer-optin.performance.Padding,
     -clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling,

.github/workflows/ci.yml

@@ -8,6 +8,8 @@ name: CI
 
 on: [push, workflow_dispatch]
 
+defaults: { run: { shell: bash } }
+
 env:
   CMAKE_REQUIRED_QUIET: 'OFF'
   CMAKE_VERBOSE_MAKEFILE: 'ON'
@@ -19,9 +21,9 @@ env:
   UPX_CONFIG_HAVE_WORKING_BUILD_RPATH: 'ON'
   UPX_DEBUG_TEST_FLOAT_DIVISION_BY_ZERO: 1
   UPX_DEBUG_TEST_LIBC_QSORT: 1
-  ZSTD_CLEVEL: 9
+  ZSTD_CLEVEL: 17
-  # 2025-03-05
+  # 2025-10-11
-  ZIG_DIST_VERSION: 0.14.0
+  ZIG_DIST_VERSION: 0.15.2
 
 jobs:
   job-rebuild-and-verify-stubs:
@@ -37,13 +39,14 @@ jobs:
           dpkg --add-architecture i386
           apt-get update && apt-get upgrade -y
           # install system packages
-          apt-get install -y --no-install-recommends bash ca-certificates curl git libmpc3 make perl-base tar time xz-utils libc6:i386 zlib1g:i386
+          apt-get install -y --no-install-recommends bash ca-certificates curl git libmpc3 make perl-base python3-minimal tar time xz-utils libc6:i386 zlib1g:i386
-          # install python2-minimal packages from Debian-11
+          apt-get install -y gcc-riscv64-linux-gnu
           mkdir ../deps; cd ../deps; mkdir packages
-          curl -sS -L -O https://ftp.debian.org/debian/pool/main/p/python2.7/libpython2.7-minimal_2.7.18-8+deb11u1_amd64.deb
+          ### install python2-minimal packages from Debian-11
-          curl -sS -L -O https://ftp.debian.org/debian/pool/main/p/python2.7/python2.7-minimal_2.7.18-8+deb11u1_amd64.deb
+          ## curl -sS -L -O https://ftp.debian.org/debian/pool/main/p/python2.7/libpython2.7-minimal_2.7.18-8+deb11u1_amd64.deb
-          dpkg -i ./*python2*.deb && rm ./*python2*.deb && ldconfig
+          ## curl -sS -L -O https://ftp.debian.org/debian/pool/main/p/python2.7/python2.7-minimal_2.7.18-8+deb11u1_amd64.deb
-          ln -s -v python2.7 /usr/bin/python2
+          ## dpkg -i ./*python2*.deb && rm ./*python2*.deb && ldconfig
+          ## ln -s -v python2.7 /usr/bin/python2
           # manually unpack and install compat libs from Ubuntu-16.04
           curl -sS -L -O https://archive.kernel.org/ubuntu-archive/ubuntu/pool/main/m/mpfr4/libmpfr4_3.1.6-1_amd64.deb
           for f in ./*.deb; do dpkg -x $f ./packages; done
@@ -51,6 +54,7 @@ jobs:
           rm -rf ./*.deb ./packages && ldconfig
           # install upx-stubtools
           curl -sS -L https://github.com/upx/upx-stubtools/releases/download/v20221212/bin-upx-20221212.tar.xz | tar -xJ
+      - run: dpkg -l
       - name: Check out code
         run: |
           git config --global --add safe.directory '*' # needed when running in a container
@@ -61,7 +65,7 @@ jobs:
         run: |
           export PATH="$(readlink -en ../deps/bin-upx-20221212):$PATH"
           make -C src/stub maintainer-clean extra-clean
-          git status || true
+          git status || true # make sure the stub files got deleted
           make -C src/stub extra-all all
           if ! git diff --quiet; then git diff; exit 1; fi
       - run: bash ./misc/scripts/check_whitespace_git.sh
@@ -74,6 +78,78 @@ jobs:
         run: |
           make -C doc clean all
           if ! git diff --quiet; then git diff || true; fi # ignore diff error
+      - name: Clean up
+        run: |
+          git ls-files -z --others --ignored --exclude-standard ./src/stub | xargs -0r rm -v --
+          find ./src/stub/src -type d -name tmp -print0 | xargs -0r rmdir -v --
+      - run: git status --ignored || true
+
+  job-linux-cmake-0: # uses cmake + make
+    if: true
+    needs: [ job-rebuild-and-verify-stubs ]
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - { os: ubuntu-22.04 }
+          - { os: ubuntu-24.04 }
+          - { os: ubuntu-22.04-arm }
+          - { os: ubuntu-24.04-arm }
+    name: ${{ format('{0}', matrix.os) }}-0
+    runs-on: ${{ matrix.os }}
+    steps:
+      - run: uname -a; pwd; id; umask
+      - run: sudo apt-get update
+      - run: sudo apt-get install -y dmidecode gdb parallel valgrind
+      - run: (sudo dmidecode | sed -n -e '/System Information/,/^$/p') || true
+      - run: sudo dmidecode -q || true
+      - run: sudo dmidecode || true
+      - uses: actions/checkout@v6
+        with: { submodules: true }
+      - run: make build/extra/gcc/all
+      - run: make build/extra/clang/all
+      - run: ls -l build/*/*/*/upx* || true
+      - run: file  build/*/*/*/upx* || true
+      - name: Make artifact
+        run: |
+          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.os }}-0" | sed 's/[^0-9a-zA-Z_.-]/-/g')
+          mkdir -p "tmp/artifact/$N"
+          (cd build && shopt -s nullglob && cp -ai --parents */upx{,.exe} */*/*/upx{,.exe} "../tmp/artifact/$N")
+          if command -v hardlink >/dev/null; then (cd "tmp/artifact/$N" && hardlink .) fi
+          (cd tmp/artifact && tar --sort=name --zstd -cf "$N.tar.zst" "$N" && rm -rf "./$N" && ls -la && zstd -tq "$N.tar.zst")
+          echo "artifact_name=$N" >> $GITHUB_ENV
+      - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
+        uses: actions/upload-artifact@v5
+        with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
+      - name: Run install tests
+        run: |
+          jobs="gcc/debug gcc/release clang/debug clang/release"
+          echo "===== parallel jobs: $jobs"
+          DESTDIR="Install with make 2" parallel -kv --lb 'make build/extra/{}+install' ::: $jobs
+      - name: Mimic ctest tests SIGSEGV
+        run: |
+          jobs="gcc/debug gcc/release clang/debug clang/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest_sigsegv.sh' ::: $jobs
+          ls -ld ./build/*/*/*/upx-* || true
+          rm -rf ./build/*/*/*/upx-*
+      - name: Run ctest tests
+        run: |
+          jobs="gcc/debug gcc/release clang/debug clang/release"
+          echo "===== parallel jobs: $jobs"
+          CTEST_JOBS=2 parallel -kv --lb 'make build/extra/{}+test' ::: $jobs
+          ls -ld ./build/*/*/*/XTesting/*/* || true
+          rm -rf ./build/*/*/*/XTesting/*/*
+      - name: Mimic ctest tests with Valgrind
+        run: |
+          export UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS=ON # valgrind is SLOW
+          export upx_exe_runner="valgrind --leak-check=no --error-exitcode=1 --quiet --gen-suppressions=all"
+          # clang/debug does not work before valgrind-3.20, see https://bugs.kde.org/show_bug.cgi?id=452758
+          jobs="gcc/debug gcc/release clang/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
+          ls -ld ./build/*/*/*/upx-* || true
+          rm -rf ./build/*/*/*/upx-*
 
   job-linux-cmake: # uses cmake + make
     if: true
@@ -82,8 +158,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          # { os: ubuntu-20.04, use_extra: true }
+          - { os: ubuntu-22.04, use_extra: true }
-          - { os: ubuntu-22.04, use_extra: true, use_wine: true }
           - { os: ubuntu-24.04, use_extra: true, use_wine: true }
     name: ${{ format('{0}', matrix.os) }}
     runs-on: ${{ matrix.os }}
@@ -94,6 +169,7 @@ jobs:
         run: |
           sudo dpkg --add-architecture i386
           sudo apt-get update && sudo apt-get upgrade -y
+          sudo apt-get install -y dmidecode gdb libc6-dbg:i386 parallel valgrind
           sudo apt-get install -y g++-multilib g++-mingw-w64-i686 g++-mingw-w64-x86-64
           # make sure that we use posix-threads (pthread/winpthreads) and NOT win32-threads
           for f in i686-w64-mingw32-g++ i686-w64-mingw32-gcc x86_64-w64-mingw32-g++ x86_64-w64-mingw32-gcc; do
@@ -101,14 +177,19 @@ jobs:
             ls -l /usr/bin/${f}*
           done
           ls -l /etc/alternatives/*mingw* || true
-          sudo apt-get install -y libc6-dbg:i386 valgrind
+      - run: (sudo dmidecode | sed -n -e '/System Information/,/^$/p') || true
+        if: ${{ matrix.use_extra }}
+      - run: sudo dmidecode -q || true
+        if: ${{ matrix.use_extra }}
+      - run: sudo dmidecode || true
+        if: ${{ matrix.use_extra }}
       - name: Install Wine
         if: ${{ matrix.use_extra && matrix.use_wine }}
         run: |
           sudo apt-get install -y wine wine32:i386 wine64
           ls -l /usr/bin/wine*
           mkdir -p -v ~/.wine && wineboot --init
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with: { submodules: true }
       - name: Check out test suite
         run: git clone --depth=1 https://github.com/upx/upx-testsuite ../deps/upx-testsuite
@@ -128,6 +209,8 @@ jobs:
         if: ${{ matrix.use_extra }}
       - run: make build/extra/cross-windows-mingw64/all
         if: ${{ matrix.use_extra }}
+      - run: ls -l build/*/*/*/upx* || true
+      - run: file  build/*/*/*/upx* || true
       - name: Make artifact
         run: |
           N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.os }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
@@ -147,12 +230,24 @@ jobs:
           (cd tmp/artifact && tar --sort=name --zstd -cf "$N.tar.zst" "$N" && rm -rf "./$N" && ls -la && zstd -tq "$N.tar.zst")
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
       - name: Run install tests
         run: |
           (cd build/extra/gcc/release && DESTDIR="$PWD/Install with cmake" cmake --install .)
           (cd build/extra/gcc/release && DESTDIR="$PWD/Install with make"  make install)
+          jobs="gcc/debug gcc/release clang/debug clang/release"
+          test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
+          echo "===== parallel jobs: $jobs"
+          DESTDIR="Install with make 2" parallel -kv --lb 'make build/extra/{}+install' ::: $jobs
+      - name: Mimic ctest tests SIGSEGV
+        run: |
+          jobs="gcc/debug gcc/release clang/debug clang/release"
+          test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
+          echo "===== parallel jobs: $jobs"
+          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest_sigsegv.sh' ::: $jobs
+          ls -ld ./build/*/*/*/upx-* || true
+          rm -rf ./build/*/*/*/upx-*
       - name: Run ctest tests
         run: |
           jobs="gcc/debug gcc/release clang/debug clang/release"
@@ -161,12 +256,8 @@ jobs:
           command -v wine >/dev/null && jobs="$jobs cross-windows-mingw64/debug cross-windows-mingw64/release"
           echo "===== parallel jobs: $jobs"
           CTEST_JOBS=2 parallel -kv --lb 'make build/extra/{}+test' ::: $jobs
-      - name: Mimic ctest tests
+          ls -ld ./build/*/*/*/XTesting/*/* || true
-        run: |
+          rm -rf ./build/*/*/*/XTesting/*/*
-          jobs="gcc/debug gcc/release clang/debug clang/release"
-          test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
-          echo "===== parallel jobs: $jobs"
-          parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
       - name: Mimic ctest tests with Valgrind
         if: true # note: valgrind is SLOW
         run: |
@@ -178,6 +269,8 @@ jobs:
             test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
             echo "===== parallel jobs: $jobs"
             parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
+            ls -ld ./build/*/*/*/upx-* || true
+            rm -rf ./build/*/*/*/upx-*
           fi
       - name: Run file system tests
         run: |
@@ -203,6 +296,8 @@ jobs:
           test "${{ matrix.use_extra }}" = "true" && jobs="$jobs gcc-m32/debug gcc-m32/release"
           echo "===== parallel jobs: $jobs"
           parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/upx_testsuite_1.sh' ::: $jobs
+          ls -ld ./build/*/*/*/tmp-upx-testsuite* || true
+          rm -rf ./build/*/*/*/tmp-upx-testsuite*
 
   job-macos-cmake: # uses cmake + make
     if: true
@@ -213,9 +308,10 @@ jobs:
         include:
           # NOTE: Xcode updates regularly tend to break Homebrew clang/gcc; often some ld64 issue; use "xcode_version" as needed; or try "-Wl,-ld_classic"
           # NOTE: macos does not have "env -C"; only with brew coreutils
-          - { os: macos-13, gcc: gcc-12, gxx: g++-12, testsuite: true }
           - { os: macos-14, gcc: gcc-13, gxx: g++-13, testsuite: true }
           - { os: macos-15, gcc: gcc-14, gxx: g++-14, testsuite: true }
+          - { os: macos-26, gcc: gcc-15, gxx: g++-15, testsuite: true }
+          - { os: macos-15-intel, gcc: gcc-14, gxx: g++-14, testsuite: true }
     name: ${{ format('{0} {1}{2}', matrix.os, matrix.xcode_version && 'xcode-' || '',  matrix.xcode_version) }}
     runs-on: ${{ matrix.os }}
     steps:
@@ -229,7 +325,7 @@ jobs:
           test -z "$HOMEBREW_PREFIX" && HOMEBREW_PREFIX="$(brew --prefix)"
           echo "HOMEBREW_PREFIX=$HOMEBREW_PREFIX" >> $GITHUB_ENV
           # testsuite needs working "readlink -en" and "sha256sum -b"
-          packages="ninja parallel util-linux"
+          packages="parallel util-linux"
           test -e "$HOMEBREW_PREFIX/opt/coreutils/libexec/gnubin/readlink" || packages="$packages coreutils"
           if test -n "$packages"; then
             echo "===== brew leaves:"; brew leaves; echo "===== brew list:"; brew list --versions
@@ -240,9 +336,9 @@ jobs:
           echo "UPX_DEBUG_FORCE_PACK_MACOS=1" >> $GITHUB_ENV
           case "${{ matrix.os }}" in
             # TODO FIXME: UPX on macos-13+ is broken => disable run-packed for now
-            macos-1[345]) echo "UPX_CONFIG_DISABLE_RUN_PACKED_TEST=ON" >> $GITHUB_ENV ;;
+            macos-[12][3456]*) echo "UPX_CONFIG_DISABLE_RUN_PACKED_TEST=ON" >> $GITHUB_ENV ;;
           esac
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with: { submodules: true }
       - name: Check out test suite
         if: ${{ matrix.testsuite }}
@@ -265,6 +361,8 @@ jobs:
         run: |
           make UPX_XTARGET=xtarget/cross-darwin-arm64 xtarget/all \
             CC="clang -target arm64-apple-darwin" CXX="clang++ -target arm64-apple-darwin"
+      - run: ls -l build/*/*/*/upx* || true
+      - run: file  build/*/*/*/upx* || true
       - name: Make artifact
         run: |
           X="${{ matrix.xcode_version }}"; test -n "$X" && X="-xcode-$X"
@@ -282,13 +380,14 @@ jobs:
           (cd tmp/artifact && gtar --sort=name --zstd -cf "$N.tar.zst" "$N" && rm -rf "./$N" && ls -la && zstd -tq "$N.tar.zst")
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
       - name: Run install tests
         run: |
           (cd build/extra/clang/release && DESTDIR="$PWD/Install with cmake" cmake --install .)
           (cd build/extra/clang/release && DESTDIR="$PWD/Install with make"  make install)
       - name: Run ctest tests
+        if: ${{ matrix.testsuite }}
         run: |
           for f in ./build/extra/*/*/upx; do file $f; done
           jobs="clang/debug clang/release"
@@ -296,6 +395,7 @@ jobs:
           echo "===== parallel jobs: $jobs"
           CTEST_JOBS=2 parallel -kv --lb 'make build/extra/{}+test' ::: $jobs
       - name: Mimic ctest tests
+        if: ${{ matrix.testsuite }}
         run: |
           export PATH="$HOMEBREW_PREFIX/opt/coreutils/libexec/gnubin:$PATH"
           jobs="clang/debug clang/release"
@@ -303,7 +403,7 @@ jobs:
           echo "===== parallel jobs: $jobs"
           parallel -kv --lb 'cd build/extra/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
       - name: Run file system tests
-        if: ${{ matrix.testsuite }} # for coreutils readlink
+        if: ${{ matrix.testsuite }}
         run: |
           export PATH="$HOMEBREW_PREFIX/opt/coreutils/libexec/gnubin:$PATH"
           export upx_test_file="$PWD"/build/extra/clang/release/upx
@@ -328,24 +428,48 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { name: windows-2019-amd64, os: windows-2019, vsversion: 2019, vsarch: amd64 }
+          - { name: windows-11-arm64,   os: windows-11-arm, vsversion: 2022, vsarch: arm64 }
-          - { name: windows-2022-amd64, os: windows-2022, vsversion: 2022, vsarch: amd64 }
+          - { name: windows-11-arm64ec, os: windows-11-arm, vsversion: 2022, vsarch: arm64, use_arm64ec: true }
+          # { name: windows-11-arm64x,  os: windows-11-arm, vsversion: 2022, vsarch: arm64, use_arm64x: true }
+          - { name: windows-2022-amd64, os: windows-2022,   vsversion: 2022, vsarch: amd64 }
+          - { name: windows-2022-i386,  os: windows-2022,   vsversion: 2022, vsarch: amd64_x86 }
+          - { name: windows-2025-amd64, os: windows-2025,   vsversion: 2022, vsarch: amd64 }
+          - { name: windows-2025-i386,  os: windows-2025,   vsversion: 2022, vsarch: amd64_x86 }
     name: ${{ format('{0}', matrix.name) }}
     runs-on: ${{ matrix.os }}
     steps:
       - run: git config --global core.autocrlf false
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with: { submodules: true }
       - name: Check out test suite
         run: git clone --depth=1 https://github.com/upx/upx-testsuite ../deps/upx-testsuite
       - uses: ilammy/msvc-dev-cmd@v1
         with: { vsversion: '${{ matrix.vsversion }}', arch: '${{ matrix.vsarch }}' }
+      - name: Set platform
+        run: |
+          if [[ "${{ matrix.use_arm64ec }}" == "true" ]]; then true;
+            echo "UPX_CMAKE_CONFIG_FLAGS_PLATFORM=-A ARM64EC" >> $GITHUB_ENV
+            echo "UPX_CONFIG_DISABLE_SELF_PACK_TEST=ON" >> $GITHUB_ENV
+          elif [[ "${{ matrix.use_arm64x }}" == "true" ]]; then true;
+            echo "UPX_CMAKE_CONFIG_FLAGS_PLATFORM=-A ARM64X" >> $GITHUB_ENV
+            echo "UPX_CONFIG_DISABLE_SELF_PACK_TEST=ON" >> $GITHUB_ENV
+          elif [[ "${{ matrix.vsarch }}" == *amd64 ]]; then true;
+            echo "UPX_CMAKE_CONFIG_FLAGS_PLATFORM=-A x64" >> $GITHUB_ENV
+          elif [[ "${{ matrix.vsarch }}" == *arm64 ]]; then true;
+            echo "UPX_CMAKE_CONFIG_FLAGS_PLATFORM=-A ARM64" >> $GITHUB_ENV
+            echo "UPX_CONFIG_DISABLE_SELF_PACK_TEST=ON" >> $GITHUB_ENV
+          elif [[ "${{ matrix.vsarch }}" == *x86 ]]; then true;
+            echo "UPX_CMAKE_CONFIG_FLAGS_PLATFORM=-A Win32" >> $GITHUB_ENV
+          else
+            exit 1
+          fi
       - run: make build/debug
       - run: make build/release
+      - run: shopt -s globstar; ls -ld build/**/upx* || true
+      - run: shopt -s globstar; file   build/**/upx* || true
       - name: Make artifact
-        shell: bash
         run: |
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.os }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
+          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-${{ matrix.name }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
           mkdir -p "tmp/artifact/$N"
           DESTDIR="$PWD/tmp/artifact/$N/InstallWithCMake/InstallWithDestdir/debug"   cmake --install build/debug   --config Debug
           DESTDIR="$PWD/tmp/artifact/$N/InstallWithCMake/InstallWithDestdir/release" cmake --install build/release --config Release
@@ -356,49 +480,47 @@ jobs:
           cmake --install build/debug   --config Debug   --prefix "$PWD/tmp/artifact/$N/InstallWithCMake/InstallWithPrefixAndStrip/debug"   --strip
           cmake --install build/release --config Release --prefix "$PWD/tmp/artifact/$N/InstallWithCMake/InstallWithPrefixAndStrip/release" --strip
           (cd build && cp -ai --parents */*/upx.exe "../tmp/artifact/$N")
-          (cd tmp/artifact && tar --sort=name --zstd -cf "$N.tar.zst" "$N" && rm -rf "./$N" && ls -la && zstd -tq "$N.tar.zst")
+          #(cd tmp/artifact && tar --sort=name --zstd -cf "$N.tar.zst" "$N" && rm -rf "./$N" && ls -la && zstd -tq "$N.tar.zst")
+          (cd tmp/artifact && tar --sort=name --gzip -cf "$N.tar.gz" "$N" && rm -rf "./$N" && ls -la && gzip -tq "$N.tar.gz")
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
       - name: Run ctest tests
-        if: ${{ matrix.vsarch != 'amd64_arm64' }}
         run: |
           ctest --test-dir build/debug   --parallel 8 -C Debug
           ctest --test-dir build/release --parallel 8 -C Release
+      - name: Mimic ctest tests
+        run: |
+          env -C build/debug/Debug     upx_exe=./upx.exe bash "$PWD"/misc/testsuite/mimic_ctest.sh
+          env -C build/release/Release upx_exe=./upx.exe bash "$PWD"/misc/testsuite/mimic_ctest.sh
       - name: Run test suite build/release
-        if: ${{ matrix.vsarch != 'amd64_arm64' }}
-        shell: bash
         run: |
           export upx_testsuite_SRCDIR="$(readlink -en ../deps/upx-testsuite)"
-          env -C build/release/Release bash "$PWD"/misc/testsuite/upx_testsuite_1.sh
+          env -C build/release/Release upx_exe=./upx.exe bash "$PWD"/misc/testsuite/upx_testsuite_1.sh
 
-  job-windows-toolchains: # build "by hand" using cmd.exe
+  job-windows-bh-toolchains: # build "by hand" using cmd.exe
     if: github.repository_owner == 'upx'
     needs: [ job-rebuild-and-verify-stubs ]
     strategy:
       fail-fast: false
       matrix:
         include:
-          - { name: amd64-win64-vs2019,   os: windows-2019, vsversion: 2019, vsarch: amd64 }
+          - { name: amd64-win64-vs2025,   os: windows-2025, vsversion: 2022, vsarch: amd64 }
-          - { name: amd64-win64-vs2022,   os: windows-2022, vsversion: 2022, vsarch: amd64 }
+          - { name: arm64-win64-vs2025,   os: windows-2025, vsversion: 2022, vsarch: amd64_arm64 }
-          - { name: arm64-win64-vs2019,   os: windows-2019, vsversion: 2019, vsarch: amd64_arm64 }
+          - { name: arm64ec-win64-vs2025, os: windows-2025, vsversion: 2022, vsarch: amd64_arm64, cl_machine_flags: -arm64EC, link_machine_flags: '/machine:arm64ec' }
-          - { name: arm64-win64-vs2022,   os: windows-2022, vsversion: 2022, vsarch: amd64_arm64 }
+          # { name: arm64x-win64-vs2025,  os: windows-2025, vsversion: 2022, vsarch: amd64_arm64, cl_machine_flags: -arm64EC, link_machine_flags: '/machine:arm64x' }
-          - { name: arm64ec-win64-vs2022, os: windows-2022, vsversion: 2022, vsarch: amd64_arm64, cl_machine_flags: -arm64EC, link_machine_flags: '/machine:arm64ec' }
+          - { name: i386-win32-vs2025,    os: windows-2025, vsversion: 2022, vsarch: amd64_x86 }
-          # { name: arm64x-win64-vs2022,  os: windows-2022, vsversion: 2022, vsarch: amd64_arm64, cl_machine_flags: -arm64EC, link_machine_flags: '/machine:arm64x' }
+    name: ${{ format('windows-bh {0}', matrix.name) }}
-          - { name: i386-win32-vs2019,    os: windows-2019, vsversion: 2019, vsarch: amd64_x86 }
-          - { name: i386-win32-vs2022,    os: windows-2022, vsversion: 2022, vsarch: amd64_x86 }
-    name: ${{ format('windows {0}', matrix.name) }}
     runs-on: ${{ matrix.os }}
     env:
       C: ${{ matrix.name }}
       B: release
     steps:
       - run: git config --global core.autocrlf false
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with: { submodules: true }
       - name: Prepare sources and Check out test suite
-        shell: bash
         run: |
           git clone --depth=1 https://github.com/upx/upx-testsuite ../deps/upx-testsuite
           mkdir -p -v build/$C/$B/{bzip2,ucl,upx,zlib,zstd}
@@ -446,34 +568,25 @@ jobs:
           @rem set UPX_LIBS=%BDIR%\bzip2\bzip2.lib %BDIR%\ucl\ucl.lib %BDIR%\zlib\zlib.lib %BDIR%\zstd\zstd.lib
           set sources=%s%\*.cpp %s%\check\*.cpp %s%\compress\*.cpp %s%\console\*.cpp %s%\filter\*.cpp %s%\util\*.cpp
           %RUN_CL% -J -O2 -W4 -WX -std:c++17 -Zc:__cplusplus -EHsc -DUPX_VERSION_GITREV="""%GITREV%""" %DEFS% %UPX_DEFS% -I%H%\vendor -Feupx.exe %sources% %UPX_LIBS% /link ${{ matrix.link_machine_flags }} setargv.obj
+      - run: shopt -s globstar; ls -ld build/**/upx* || true
+      - run: shopt -s globstar; file   build/**/upx* || true
       - name: Make artifact
-        shell: bash
         run: |
-          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-windows-${{ matrix.name }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
+          N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-windows-bh-${{ matrix.name }}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
           mkdir -p "tmp/artifact/$N/$B"
           cp -ai build/$C/$B/upx/upx*.exe "tmp/artifact/$N/$B"
-          (cd tmp/artifact && tar --sort=name --zstd -cf "$N.tar.zst" "$N" && rm -rf "./$N" && ls -la && zstd -tq "$N.tar.zst")
+          #(cd tmp/artifact && tar --sort=name --zstd -cf "$N.tar.zst" "$N" && rm -rf "./$N" && ls -la && zstd -tq "$N.tar.zst")
+          (cd tmp/artifact && tar --sort=name --gzip -cf "$N.tar.gz" "$N" && rm -rf "./$N" && ls -la && gzip -tq "$N.tar.gz")
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
-      - name: Run basic tests
+      - name: Mimic ctest tests
         if: ${{ matrix.vsarch != 'amd64_arm64' }}
         run: |
-          $ErrorActionPreference = 'stop'
+          env -C build/$C/$B/upx upx_exe=./upx.exe bash "$PWD"/misc/testsuite/mimic_ctest.sh
-          $ErrorView = 'NormalView'
-          cd $Env:H\build\$Env:C\$Env:B\upx
-          $Env:UPX = "--no-color --no-progress"
-          .\upx.exe --version
-          .\upx.exe --sysinfo -v
-          .\upx.exe upx.exe -o upx_packed.exe
-          dir *.exe
-          .\upx.exe -l upx_packed.exe
-          .\upx.exe -t upx_packed.exe
-          .\upx_packed.exe --version
       - name: Run test suite
         if: ${{ matrix.vsarch != 'amd64_arm64' }}
-        shell: bash
         run: |
           export upx_testsuite_SRCDIR="$(readlink -en ../deps/upx-testsuite)"
           env -C build/$C/$B/upx upx_exe=./upx.exe bash "$PWD"/misc/testsuite/upx_testsuite_1.sh
@@ -487,17 +600,19 @@ jobs:
         include:
           # only build a few selected targets => more targets are tested in the Weekly CI
           - { zig_target: aarch64-linux-musl, qemu: qemu-aarch64 }
-          - { zig_target: aarch64-macos.11.0-none }
+          - { zig_target: aarch64-linux-musl, qemu: qemu-aarch64, zig_pic: -fPIE, container: 'alpine:3.18' }
+          - { zig_target: aarch64-macos-none }
           - { zig_target: aarch64-windows-gnu }
           - { zig_target: arm-linux-musleabihf, qemu: qemu-arm }
           - { zig_target: armeb-linux-musleabihf, qemu: qemu-armeb }
           - { zig_target: i386-linux-gnu.2.3.4, zig_flags: -march=i586 }
           - { zig_target: i386-linux-gnu.2.17, zig_flags: -march=i586 }
           - { zig_target: i386-linux-musl, zig_flags: -march=i586, qemu: qemu-i386 }
+          - { zig_target: i386-linux-musl, zig_flags: -march=i586, qemu: qemu-i386, zig_pic: -fPIE }
           - { zig_target: i386-windows-gnu }
-          - { zig_target: mips-linux-musleabi, zig_flags: -msoft-float, qemu: qemu-mips }
+          - { zig_target: mips-linux-musleabi, qemu: qemu-mips }
           - { zig_target: mips-linux-musleabihf, qemu: qemu-mips }
-          - { zig_target: mipsel-linux-musleabi, zig_flags: -msoft-float, qemu: qemu-mipsel }
+          - { zig_target: mipsel-linux-musleabi, qemu: qemu-mipsel }
           - { zig_target: mipsel-linux-musleabihf, qemu: qemu-mipsel }
           # { zig_target: mips-linux-musleabi-mips32r2, zig_flags: -march=mips32r2, qemu: qemu-mips }
           # { zig_target: mips-linux-musleabi-mips32r3, zig_flags: -march=mips32r3, qemu: qemu-mips }
@@ -505,18 +620,22 @@ jobs:
           # { zig_target: mips-linux-musleabi-mips32r6, zig_flags: -march=mips32r6, qemu: qemu-mips }
           - { zig_target: powerpc-linux-musleabihf, qemu: qemu-ppc }
           - { zig_target: powerpc64-linux-musl, qemu: qemu-ppc64 }
+          - { zig_target: powerpc64-linux-musl, qemu: qemu-ppc64, zig_pic: -fPIE }
           - { zig_target: powerpc64le-linux-musl, qemu: qemu-ppc64le }
+          - { zig_target: powerpc64le-linux-musl, qemu: qemu-ppc64le, zig_pic: -fPIE }
+          - { zig_target: riscv64-linux-musl, qemu: qemu-riscv64, tt: UPX-UNSUPPORTED }
+          - { zig_target: riscv64-linux-musl, qemu: qemu-riscv64, tt: UPX-UNSUPPORTED, zig_pic: -fPIE }
           - { zig_target: x86_64-linux-gnu.2.3.4, qemu: qemu-x86_64 } # can use QEMU because of gcompat
-          - { zig_target: x86_64-linux-gnu.2.17, qemu: qemu-x86_64 } # can use QEMU because of gcompat
+          - { zig_target: x86_64-linux-gnu.2.17, qemu: qemu-x86_64 }  # can use QEMU because of gcompat
           - { zig_target: x86_64-linux-musl, qemu: qemu-x86_64 }
-          - { zig_target: x86_64-macos.11.0-none }
+          - { zig_target: x86_64-linux-musl, qemu: qemu-x86_64, zig_pic: -fPIE, container: 'alpine:3.18' }
+          - { zig_target: x86_64-macos-none }
           - { zig_target: x86_64-windows-gnu }
     name: ${{ format('zigcc {0} {1}', matrix.zig_target, matrix.zig_pic) }}
     runs-on: ubuntu-latest
-    container: 'alpine:3.21'
+    container: ${{ matrix.container || 'alpine:3.23' }}
-    #container: ${{ contains(matrix.qemu, 'qemu-ppc64') && 'alpine:3.19' || 'alpine:3.21' }}
-    #container: ${{ (matrix.qemu == 'qemu-ppc64') && 'alpine:edge' || 'alpine:3.21' }}
     env:
+      container: ${{ matrix.container || 'alpine:3.23' }}
       UPX_CONFIG_HAVE_WORKING_BUILD_RPATH: ''
       # for zig-cc wrapper scripts (see below):
       ZIG_CPPFLAGS: -DUPX_DOCTEST_CONFIG_MULTITHREADING
@@ -525,19 +644,19 @@ jobs:
       ZIG_TARGET: ${{ matrix.zig_target }}
     steps:
       - run: uname -a; pwd; id; umask
-      - name: Install Alpine Linux container packages
+        shell: sh
-        if: ${{ job.container }}
+      - name: ${{ format('Install packages {0}', env.container) }}
         shell: sh
         run: |
-          apk update && apk upgrade && apk add bash cmake curl file git make parallel patch tar util-linux xz zstd
+          apk update && apk upgrade && apk add bash cmake curl dmidecode file gdb git make parallel patch strace sudo tar util-linux xz zstd
           # set PATH like in Ubuntu
           echo "PATH=$HOME/.local/bin:$PATH" >> $GITHUB_ENV
           git config --global --add safe.directory '*' # needed when running in a container
           mkdir -p ~/.parallel && : > ~/.parallel/$(echo 6305-4721 | tr 0-7 leticlwi)
-      - uses: actions/checkout@v4
+      - run: (sudo dmidecode | sed -n -e '/System Information/,/^$/p') || true
+      - uses: actions/checkout@v6
         with: { submodules: true }
       - name: ${{ format('Install Zig {0}', env.ZIG_DIST_VERSION) }}
-        shell: bash
         run: |
           rev=$(git rev-parse --short=7 HEAD)
           echo "UPX_GITREV_SHORT=$rev" >> $GITHUB_ENV
@@ -549,13 +668,18 @@ jobs:
             # TODO FIXME: problem with self-packed upx and musl+gcompat: "Not a valid dynamic program"
             echo "UPX_CONFIG_DISABLE_RUN_PACKED_TEST=ON" >> $GITHUB_ENV
           fi
+          test -z "${{ matrix.tt }}" || echo "UPX_CONFIG_DISABLE_SELF_PACK_TEST=ON" >> $GITHUB_ENV
           # install zig; note that ~/.local/bin is included in the default $PATH on Ubuntu
           mkdir -p -v ~/.local/bin
           cd ~/.local/bin
+          ZIG_DIST_VERSION=${ZIG_DIST_VERSION/#zig-/}
           ZIG_DIST_NAME=zig-linux-x86_64-${ZIG_DIST_VERSION}
+          ZIG_DIST_NAME=zig-x86_64-linux-${ZIG_DIST_VERSION}
           #curl -sS -L -O https://ziglang.org/builds/${ZIG_DIST_NAME}.tar.xz
-          curl -sS -L -O https://ziglang.org/download/0.14.0/${ZIG_DIST_NAME}.tar.xz
+          #curl -sS -L -O https://ziglang.org/download/0.14.1/${ZIG_DIST_NAME}.tar.xz
+          curl -sS -L -O https://ziglang.org/download/0.15.2/${ZIG_DIST_NAME}.tar.xz
           ls -l ${ZIG_DIST_NAME}.tar.xz
+          file ${ZIG_DIST_NAME}.tar.xz || true
           tar -xoJf ${ZIG_DIST_NAME}.tar.xz
           rm ${ZIG_DIST_NAME}.tar.xz
           ln -s -v ${ZIG_DIST_NAME}/zig zig
@@ -563,7 +687,7 @@ jobs:
           echo -n 'zig version: '; zig version
           # patch zig
           ls -la "$HOME" "$GITHUB_WORKSPACE" || true
-          #(cd ${ZIG_DIST_NAME} && patch --verbose -p1 -i "$GITHUB_WORKSPACE"/misc/patches/zig/0001-x.patch)
+          (cd ${ZIG_DIST_NAME} && patch --verbose -p1 -i "$GITHUB_WORKSPACE"/misc/patches/zig/0001-x.patch)
           # create wrapper scripts (needed for CMake)
           log=
           log='set -x\n'
@@ -578,7 +702,7 @@ jobs:
           [[ $ZIG_TARGET == mips-linux-musleabihf-* ]]   && ZIG_TARGET=mips-linux-musleabihf
           [[ $ZIG_TARGET == mipsel-linux-musleabi-* ]]   && ZIG_TARGET=mipsel-linux-musleabi
           [[ $ZIG_TARGET == mipsel-linux-musleabihf-* ]] && ZIG_TARGET=mipsel-linux-musleabihf
-          ZIG_TARGET=${ZIG_TARGET/i386-/x86-} # i386 => x86
+          ZIG_TARGET=${ZIG_TARGET/#i386-/x86-} # i386 => x86
           echo "ZIG_TARGET=$ZIG_TARGET" >> $GITHUB_ENV
           # update ZIG_FLAGS
           # -fPIE is for compilation only => also use the correct linker flag "-pie"
@@ -593,6 +717,11 @@ jobs:
             ZIG_FLAGS="$ZIG_FLAGS -fno-sanitize=all"
             echo "UPX_CONFIG_DISABLE_SANITIZE=ON" >> $GITHUB_ENV
           fi
+          if [[ $ZIG_TARGET == *-linux-gnu.2.[456789] ]]; then true;
+            # glibc-2.x: ld.lld: error: undefined symbol: pwritev64
+            ZIG_FLAGS="$ZIG_FLAGS -fno-sanitize=all"
+            echo "UPX_CONFIG_DISABLE_SANITIZE=ON" >> $GITHUB_ENV
+          fi
           echo "ZIG_FLAGS=$ZIG_FLAGS" >> $GITHUB_ENV
       - run: set -x; zig version; zig-cc --version || true; zig-cxx --version || true
       - run: zig-cc  -E -x c   -dM /dev/null # list predefined macros for C
@@ -601,14 +730,13 @@ jobs:
         run: |
           make UPX_XTARGET=zig/${ZIG_TARGET}${ZIG_PIC} xtarget/release \
             CC="zig-cc" CXX="zig-cxx" CMAKE_AR="$HOME/.local/bin/zig-ar" CMAKE_RANLIB="$HOME/.local/bin/zig-ranlib"
-          file build/zig/${ZIG_TARGET}${ZIG_PIC}/release/upx*
       - name: ${{ format('Build Debug with zig-cc -target {0} {1}', env.ZIG_TARGET, env.ZIG_PIC) }}
         run: |
           make UPX_XTARGET=zig/${ZIG_TARGET}${ZIG_PIC} xtarget/debug \
             CC="zig-cc" CXX="zig-cxx" CMAKE_AR="$HOME/.local/bin/zig-ar" CMAKE_RANLIB="$HOME/.local/bin/zig-ranlib"
-          file build/zig/${ZIG_TARGET}${ZIG_PIC}/debug/upx*
+      - run: ls -l build/*/*/*/upx* || true
+      - run: file  build/*/*/*/upx* || true
       - name: ${{ format('Make artifact from upx-{0}-{1}', github.ref_name, env.UPX_GITREV_SHORT) }}
-        shell: bash
         run: |
           N=$(echo "upx-${GITHUB_REF_NAME}-${GITHUB_SHA:0:7}-zigcc-${{ matrix.zig_target }}${ZIG_PIC}" | sed 's/[^0-9a-zA-Z_.-]/-/g')
           mkdir -p "tmp/artifact/$N"
@@ -624,7 +752,7 @@ jobs:
           (cd tmp/artifact && tar --sort=name --zstd -cf "$N.tar.zst" "$N" && rm -rf "./$N" && ls -la && zstd -tq "$N.tar.zst")
           echo "artifact_name=$N" >> $GITHUB_ENV
       - name: ${{ format('Upload artifact {0}', env.artifact_name) }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with: { name: '${{ env.artifact_name }}', path: tmp/artifact }
       - name: Run install tests
         if: ${{ contains(matrix.zig_target, '-linux') }}
@@ -656,7 +784,8 @@ jobs:
           echo "===== parallel jobs: $jobs"
           parallel -kv --lb 'cd build/zig/{} && bash ../../../../misc/testsuite/mimic_ctest.sh' ::: $jobs
       - name: Mimic ctest tests with Valgrind
-        if: ${{ matrix.zig_target == 'x86_64-linux-musl' || contains(matrix.zig_target, 'x86_64-linux-gnu.2') }}
+        #if: ${{ matrix.zig_target == 'x86_64-linux-musl' || contains(matrix.zig_target, 'x86_64-linux-gnu.2') }}
+        if: false
         run: |
           export UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS=ON # valgrind is SLOW
           apk add coreutils valgrind

.github/workflows/github-close-stale-issues.yml

@@ -25,7 +25,7 @@ jobs:
       issues: write
       pull-requests: write
     steps:
-      - uses: actions/stale@v9
+      - uses: actions/stale@v10
         with:
           operations-per-run: 300
           exempt-all-milestones: true

.gitignore

@@ -1,6 +1,8 @@
 /.cache*
+/.idea/
 /.hg*
 /.vscode*
+/.zed/
 /CMakeCache*
 /CMakeFiles*
 /CTest*

CMakeLists.txt

@@ -30,6 +30,8 @@ endif()
 # support functions and some utility
 include("${CMAKE_CURRENT_SOURCE_DIR}/misc/cmake/functions.cmake")
 upx_print_var(CMAKE_VERSION UPX_CONFIG_CMAKE_MINIMUM_REQUIRED_VERSION CMAKE_GENERATOR)
+upx_print_var(CMAKE_GENERATOR_TOOLSET CMAKE_GENERATOR_PLATFORM)
+upx_print_env_var(CC CXX CPPFLAGS CFLAGS CXXFLAGS)
 
 #***********************************************************************
 # options
@@ -55,20 +57,22 @@ endif()
 
 # test config options (see below)
 # IMPORTANT NOTE: self-pack test can only work if the host executable format is supported by UPX!
-option(UPX_CONFIG_DISABLE_SELF_PACK_TEST   "Do not test packing UPX with itself" OFF)
+option(UPX_CONFIG_DISABLE_SELF_PACK_TEST   "Do not test packing UPX with itself." OFF)
-option(UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS "Do not run exhaustive tests"         OFF)
+option(UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS "Do not run exhaustive tests."         OFF)
 
 #***********************************************************************
 # init
 #***********************************************************************
 
-set(UPX_VERSION_STRING "5.0.1") # this should match src/version.h
+set(UPX_VERSION_STRING "5.1.0") # this should match src/version.h
 
 upx_cmake_include_hook(2_init)
 
 # Disallow in-source build. Note that you will still have to manually
 # clean up a few files if you accidentally try an in-source build.
-upx_disallow_in_source_build()
+if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/.git")
+    upx_disallow_in_source_build()
+endif()
 
 # global settings
 if(${CMAKE_VERSION} VERSION_GREATER "3.14.99" AND NOT DEFINED CMAKE_MSVC_RUNTIME_LIBRARY)
@@ -89,7 +93,6 @@ upx_cache_bool_vars(OFF
     UPX_CONFIG_DISABLE_SAVE_TEMPS UPX_CONFIG_DISABLE_SHARED_LIBS UPX_CONFIG_REQUIRE_THREADS
 )
 upx_cache_bool_vars(ON UPX_CONFIG_EXPECT_THREADS)
-upx_print_env_var(CC CXX)
 
 # determine Git revision
 set(GITREV_SHORT "")
@@ -286,7 +289,7 @@ if(Threads_FOUND)
         if(NOT result)
             # failed; under MinGW be sure to use the posix-threads and NOT the win32-threads version
             if(UPX_CONFIG_REQUIRE_THREADS OR (UPX_CONFIG_EXPECT_THREADS AND NOT UPX_CONFIG_DISABLE_THREADS))
-                message(WARNING "Threads FAILED ${f}: ${output}") # output from try_compile
+                message(WARNING "Threads FAILED ${f}: ${output}") # output from try_compile()
             endif()
             set(Threads_FOUND OFF)
             break()
@@ -466,6 +469,7 @@ if(NOT CMAKE_CROSSCOMPILING OR CMAKE_CROSSCOMPILING_EMULATOR)
         # IMPORTANT NOTE: these tests can only work if the host executable format
         #   is supported by UPX!
         include("${CMAKE_CURRENT_SOURCE_DIR}/misc/cmake/self_pack_test.cmake")
+        upx_self_pack_test()
     endif()
 endif()
 

Makefile

@@ -26,8 +26,13 @@ endif
 
 .DEFAULT_GOAL = build/release
 
-run_cmake_config = $(CMAKE) -S . -B $1 $(UPX_CMAKE_CONFIG_FLAGS) -DCMAKE_BUILD_TYPE=$2
+.NOTPARALLEL: # because the actual builds use "cmake --parallel"
-run_cmake_build  = $(CMAKE) --build $1 $(UPX_CMAKE_BUILD_FLAGS) --config $2
+.PHONY: PHONY
+.SECONDEXPANSION:
+.SUFFIXES:
+
+run_cmake_config = $(CMAKE) -S . -B "$1" $(UPX_CMAKE_CONFIG_FLAGS) -DCMAKE_BUILD_TYPE="$2"
+run_cmake_build  = $(CMAKE) --build "$1" $(UPX_CMAKE_BUILD_FLAGS) --config "$2"
 # avoid re-running run_cmake_config if .upx_cmake_config_done.txt already exists
 run_config       = $(if $(wildcard $1/CMakeFiles/.*_cmake_config_done.txt),,$(call run_cmake_config,$1,$2))
 run_build        = $(call run_cmake_build,$1,$2)
@@ -40,11 +45,6 @@ build/release: PHONY
 	$(call run_config,$@,Release)
 	$(call run_build,$@,Release)
 
-.NOTPARALLEL: # because the actual builds use "cmake --parallel"
-.PHONY: PHONY
-.SECONDEXPANSION:
-.SUFFIXES:
-
 # shortcuts (all => debug + release)
 debug:   build/debug PHONY
 release: build/release PHONY
@@ -72,9 +72,26 @@ all+test build/all+test: build/debug+test build/release+test PHONY
 
 test: $$(patsubst %+test,%,$$(.DEFAULT_GOAL))+test PHONY
 
-#
+#***********************************************************************
+# install
+#***********************************************************************
+
+build/debug+install:     $$(dir $$@)debug PHONY; cd "$(dir $@)debug" && $(CMAKE) --install . --config Debug
+build/%/debug+install:   $$(dir $$@)debug PHONY; cd "$(dir $@)debug" && $(CMAKE) --install . --config Debug
+build/release+install:   $$(dir $$@)release PHONY; cd "$(dir $@)release" && $(CMAKE) --install . --config Release
+build/%/release+install: $$(dir $$@)release PHONY; cd "$(dir $@)release" && $(CMAKE) --install . --config Release
+build/%/all+install:     $$(dir $$@)debug+install $$(dir $$@)release+install PHONY ;
+
+# shortcuts
+debug+install:   build/debug+install PHONY
+release+install: build/release+install PHONY
+all+install build/all+install: build/debug+install build/release+install PHONY
+
+install: $$(patsubst %+install,%,$$(.DEFAULT_GOAL))+install PHONY
+
+#***********************************************************************
 # END of Makefile
-#
+#***********************************************************************
 
 # extra pre-defined build configurations and some utility; optional
 -include ./Makevars-local.mk
@@ -87,3 +104,5 @@ check-whitespace clang-format run-testsuite run-testsuite-all run-testsuite-debu
 	$(MAKE) -C src $@
 endif
 endif
+
+# vim:set ts=8 sw=8 noet:

NEWS

@@ -2,6 +2,12 @@
 User visible changes for UPX
 ==================================================================
 
+Changes in 5.1.0 (XX XXX XXXX):
+  * bug fixes - see https://github.com/upx/upx/milestone/21
+
+Changes in 5.0.2 (20 Jul 2025):
+  * bug fixes - see https://github.com/upx/upx/milestone/20
+
 Changes in 5.0.1 (06 May 2025):
   * bug fixes - see https://github.com/upx/upx/milestone/19
 

README

@@ -61,8 +61,9 @@ SHORT DOCUMENTATION
 'upx program.exe' will compress a program or DLL. For best compression
 results try 'upx --best program.exe' or 'upx --brute program.exe'.
 
-Please see the file UPX.DOC for the full documentation. The files
+Please see the file doc/upx-doc.txt for the full documentation. The files
-NEWS and BUGS also contain various tidbits of information.
+NEWS and doc/BUGS.txt also contain various tidbits of information, as
+does the output of 'upx --help'.
 
 
 THE FUTURE
@@ -91,7 +92,7 @@ Copyright (C) 2000-2025 John F. Reiser
 
 UPX is distributed with full source code under the terms of the
 GNU General Public License v2+; either under the pure GPLv2+ (see
-the file COPYING), or (at your option) under the GPLv+2 with special
+the file COPYING), or (at your option) under the GPLv2+ with special
 exceptions and restrictions granting the free usage for all binaries
 including commercial programs (see the file LICENSE).
 

README.SRC

@@ -81,6 +81,15 @@ Developer quick start
  4b)    $ wget https://github.com/upx/upx-stubtools/releases/download/v20221212/bin-upx-20221212.tar.xz
           # Extract to $HOME/bin/bin-upx or $HOME/local/bin/bin-upx.
           # See directions in: https://github.com/upx/upx-stubtools
+
+          # Some of the pre-built tools need i386 libz.  On Ubuntu:
+          #   # dpkg --add-architecture i386
+          #   # apt-get update
+          #   # apt-get install zlib1g-dev
+
+          # aarch64-linux-gnu/4.9.2/cc1 needs libmpfr.so.4.  Make a symlink:
+          #   # ln -s /usr/lib/x86_64-linux-gnu/libmpfr.so.6 /usr/lib/x86_64-linux-gnu/libmpfr.so.4
+
  4c)    $ make clean; make  # verify that you can re-build stubs
  4d)    $ popd  # my-upx
  5)  $ cd upx  # my-upx/upx
@@ -92,7 +101,18 @@ Developer quick start
         # If stuck, then reset via "rm -rf vendor; git submodule update --init".
  7)  $ mkdir -p build/debug build/release
  8)  $ pushd build/debug  # my-upx/upx/build/debug
- 9)  $ cmake ../..  # configure cmake
+
+9a)  Install GNU g++ so that it is used when invoking "c++" compiler.
+     On Ubuntu 24.04 with
+        cmake: cmake version 3.28.3
+        g++: Ubuntu clang version 18.1.3 (1ubuntu1)
+        /lib/llvm-18/lib/cmake/llvm/HandleLLVMOptions.cmake:
+           add_flag_if_supported("-fno-lifetime-dse" CMAKE_CXX_FLAGS)
+     then cmake invoking c++ uses -fno-lifetime-dse but gets
+        c++: error: unknown argument: '-fno-lifetime-dse'
+     Commenting out the "add_flag_if_supported' line still uses that unknown argument.
+     Installing g++ avoids the problem.
+9b)  $ cmake ../..  # configure cmake
 10)  $ cmake --build . --verbose  # optional "--verbose"
         # This relies on stub/*.h, which YOU must re-build if necessary.
         # When in doubt, then use "cd src/stub; make clean; make".

doc/upx.1

@@ -55,7 +55,7 @@
 .\" ========================================================================
 .\"
 .IX Title "UPX 1"
-.TH UPX 1 2025-05-06 "upx 5.0.1" " "
+.TH UPX 1 2025-10-24 "upx 5.1.0" " "
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l

misc/cmake/print_info.cmake

@@ -42,7 +42,7 @@ function(upx_print_info)
         upx_print_var(CMAKE_${lang}_COMPILER_ID)
         upx_print_var(CMAKE_${lang}_SIMULATE_ID)
         upx_print_var(CMAKE_${lang}_COMPILER_VERSION)
-        upx_print_var(CMAKE_${lang}_COMPILER_FRONTEND_VARIANT )
+        upx_print_var(CMAKE_${lang}_COMPILER_FRONTEND_VARIANT)
         upx_print_var(CMAKE_${lang}_COMPILER_ARCHITECTURE_ID)
         upx_print_var(CMAKE_${lang}_PLATFORM_ID)
         upx_print_var(CMAKE_${lang}_COMPILER_ABI)

misc/cmake/self_pack_test.cmake

@@ -10,6 +10,8 @@
 #   is supported by UPX!
 #***********************************************************************
 
+function(upx_self_pack_test)
+
 set(emu "")
 if(DEFINED CMAKE_CROSSCOMPILING_EMULATOR)
     set(emu "${CMAKE_CROSSCOMPILING_EMULATOR}")
@@ -114,35 +116,42 @@ endif()
 if(NOT UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS)
     foreach(method IN ITEMS nrv2b nrv2d nrv2e lzma)
         foreach(level IN ITEMS 1 2 3 4 5 6 7)
-            set(s "${method}-${level}")
+            foreach(small IN ITEMS normal small)
-            upx_add_test(upx-self-pack-${s}         upx --${method} -${level} --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-${s}${exe})
+                set(s "${method}-${level}")
-            upx_add_test(upx-list-${s}              upx -l upx-packed-${s}${exe})
+                set(ss "")
-            upx_add_test(upx-fileinfo-${s}          upx --fileinfo upx-packed-${s}${exe})
+                if(small MATCHES "small")
-            upx_add_test(upx-test-${s}              upx -t upx-packed-${s}${exe})
+                    set(s "${method}-${level}-${small}")
-            upx_add_test(upx-unpack-${s}            upx -d upx-packed-${s}${exe} ${fo} -o upx-unpacked-${s}${exe})
+                    set(ss "--small")
-            upx_add_test(upx-compare-${s}           "${CMAKE_COMMAND}" -E compare_files upx-unpacked${exe} upx-unpacked-${s}${exe})
+                endif()
-            upx_test_depends(upx-list-${s}          upx-self-pack-${s})
+                upx_add_test(upx-self-pack-${s}         upx --${method} -${level} ${ss} --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-${s}${exe})
-            upx_test_depends(upx-fileinfo-${s}      upx-self-pack-${s})
+                upx_add_test(upx-list-${s}              upx -l upx-packed-${s}${exe})
-            upx_test_depends(upx-test-${s}          upx-self-pack-${s})
+                upx_add_test(upx-fileinfo-${s}          upx --fileinfo upx-packed-${s}${exe})
-            upx_test_depends(upx-unpack-${s}        upx-self-pack-${s})
+                upx_add_test(upx-test-${s}              upx -t upx-packed-${s}${exe})
-            upx_test_depends(upx-compare-${s}       "upx-unpack;upx-unpack-${s}")
+                upx_add_test(upx-unpack-${s}            upx -d upx-packed-${s}${exe} ${fo} -o upx-unpacked-${s}${exe})
-            if(method MATCHES "lzma")
+                upx_add_test(upx-compare-${s}           "${CMAKE_COMMAND}" -E compare_files upx-unpacked${exe} upx-unpacked-${s}${exe})
-                set_tests_properties(upx-self-pack-${s} PROPERTIES COST "3${level}")
+                upx_test_depends(upx-list-${s}          upx-self-pack-${s})
-            else()
+                upx_test_depends(upx-fileinfo-${s}      upx-self-pack-${s})
-                set_tests_properties(upx-self-pack-${s} PROPERTIES COST "2${level}")
+                upx_test_depends(upx-test-${s}          upx-self-pack-${s})
-            endif()
+                upx_test_depends(upx-unpack-${s}        upx-self-pack-${s})
-            if(NOT UPX_CONFIG_DISABLE_RUN_PACKED_TEST)
+                upx_test_depends(upx-compare-${s}       "upx-unpack;upx-unpack-${s}")
-                upx_add_test(upx-run-packed-${s}        ${emu} ./upx-packed-${s}${exe} --version-short)
+                if(method MATCHES "lzma")
-                upx_test_depends(upx-run-packed-${s}    upx-self-pack-${s})
+                    set_tests_properties(upx-self-pack-${s} PROPERTIES COST "3${level}")
-            endif()
+                else()
+                    set_tests_properties(upx-self-pack-${s} PROPERTIES COST "2${level}")
+                endif()
+                if(NOT UPX_CONFIG_DISABLE_RUN_PACKED_TEST)
+                    set(i 0)
+                    while(${i} LESS 20)
+                        math(EXPR i "${i} + 1")
+                        upx_add_test(upx-run-packed-${s}-${i}     ${emu} ./upx-packed-${s}${exe} --version-short)
+                        upx_test_depends(upx-run-packed-${s}-${i} upx-self-pack-${s})
+                    endwhile()
+                endif()
+            endforeach()
         endforeach()
     endforeach()
 endif() # UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS
 
-# clean up
+endfunction()
-set(emu "")
-set(exe "")
-set(upx_self_exe "")
-set(fo "")
 
 # vim:set ft=cmake ts=4 sw=4 tw=0 et:

misc/cmake/use_strict_defaults.cmake

@@ -0,0 +1,11 @@
+#
+# UPX "CMake" build file; see https://cmake.org/
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+#
+
+if(NOT DEFINED USE_STRICT_DEFAULTS)
+    # use strict config defaults for Git developer builds
+    set(USE_STRICT_DEFAULTS TRUE CACHE INTERNAL "" FORCE)
+endif()
+
+# vim:set ft=cmake ts=4 sw=4 tw=0 et:

misc/make/Makefile-extra.mk

@@ -65,6 +65,13 @@ build/extra/clang-lto-auto/release: PHONY; $(call run_config_and_build,$@,Releas
 build/extra/clang-lto-auto/%: export CC  = clang   -flto=auto
 build/extra/clang-lto-auto/%: export CXX = clang++ -flto=auto
 
+# force building with clang/clang++ -pie
+build/extra/clang-pie/debug:   PHONY; $(call run_config_and_build,$@,Debug)
+build/extra/clang-pie/release: PHONY; $(call run_config_and_build,$@,Release)
+build/extra/clang-pie/%: export CC  = clang   -pie -fPIE -Wno-unused-command-line-argument
+build/extra/clang-pie/%: export CXX = clang++ -pie -fPIE -Wno-unused-command-line-argument
+build/extra/clang-pie/%: export UPX_CONFIG_DISABLE_SHARED_LIBS = ON
+
 # force building with clang/clang++ -static
 build/extra/clang-static/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/clang-static/release: PHONY; $(call run_config_and_build,$@,Release)
@@ -140,6 +147,13 @@ build/extra/gcc-lto-auto/release: PHONY; $(call run_config_and_build,$@,Release)
 build/extra/gcc-lto-auto/%: export CC  = gcc -flto=auto
 build/extra/gcc-lto-auto/%: export CXX = g++ -flto=auto
 
+# force building with gcc/g++ -pie
+build/extra/gcc-pie/debug:   PHONY; $(call run_config_and_build,$@,Debug)
+build/extra/gcc-pie/release: PHONY; $(call run_config_and_build,$@,Release)
+build/extra/gcc-pie/%: export CC  = gcc -pie -fPIE
+build/extra/gcc-pie/%: export CXX = g++ -pie -fPIE
+build/extra/gcc-pie/%: export UPX_CONFIG_DISABLE_SHARED_LIBS = ON
+
 # force building with gcc/g++ -static
 build/extra/gcc-static/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/gcc-static/release: PHONY; $(call run_config_and_build,$@,Release)
@@ -177,7 +191,7 @@ build/extra/gcc-std-cxx23/%: export CXX = g++ -std=gnu++2b
 build/extra/gcc-std-cxx23/%: export UPX_CONFIG_DISABLE_C_STANDARD = ON
 build/extra/gcc-std-cxx23/%: export UPX_CONFIG_DISABLE_CXX_STANDARD = ON
 
-# force building with gcc/g++ C++26 (EXPERIMENTAL; need gcc-14)
+# force building with gcc/g++ C++26 (and C23)
 build/extra/gcc-std-cxx26/debug:   PHONY; $(call run_config_and_build,$@,Debug)
 build/extra/gcc-std-cxx26/release: PHONY; $(call run_config_and_build,$@,Release)
 build/extra/gcc-std-cxx26/%: export CC  = gcc -std=gnu23
@@ -250,7 +264,7 @@ build/analyze/clang-analyzer/%: export CCC_CXX ?= clang++
 # run clang-tidy: uses file compile_commands.json from an existing clang build;
 #   does not create any actual files, so purely PHONY
 CLANG_TIDY_BUILD_BASE = build/extra/clang
-RUN_CLANG_TIDY = time python3 ./misc/analyze/clang-tidy/run-clang-tidy.py -p $<
+RUN_CLANG_TIDY = time python3 ./misc/analyze/clang-tidy/run-clang-tidy.py -p "$<"
 RUN_CLANG_TIDY_WERROR = $(RUN_CLANG_TIDY) '-warnings-as-errors=*'
 build/analyze/clang-tidy-upx/debug build/analyze/clang-tidy-upx/release: $$(CLANG_TIDY_BUILD_BASE)/$$(notdir $$@) PHONY
 	$(RUN_CLANG_TIDY_WERROR) -config-file ./.clang-tidy '/src/.*\.cpp'
@@ -267,6 +281,7 @@ build/analyze/clang-tidy/debug build/analyze/clang-tidy/release: build/analyze/c
 build/analyze/clang-tidy/debug build/analyze/clang-tidy/release: build/analyze/clang-tidy-ucl/$$(notdir $$@)
 build/analyze/clang-tidy/debug build/analyze/clang-tidy/release: build/analyze/clang-tidy-zlib/$$(notdir $$@)
 build/analyze/clang-tidy/debug build/analyze/clang-tidy/release: build/analyze/clang-tidy-zstd/$$(notdir $$@)
+build/analyze/clang-tidy/debug build/analyze/clang-tidy/release: PHONY
 
 # OLD names [deprecated]
 build/extra/scan-build/debug:   build/analyze/clang-analyzer/debug PHONY
@@ -319,6 +334,7 @@ $(call check_undefined,__add_cmake_config)
 __add_cmake_config = $(and $($1),-D$1="$($1)")
 
 # pass common CMake settings
+UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_INSTALL_PREFIX)
 UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_VERBOSE_MAKEFILE)
 # pass common CMake toolchain settings
 UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,CMAKE_ADDR2LINE)
@@ -362,6 +378,8 @@ UPX_CMAKE_CONFIG_FLAGS += $(call __add_cmake_config,UPX_CONFIG_EXTRA_COMPILE_OPT
 SUBMODULES = doctest lzma-sdk ucl valgrind zlib
 
 $(foreach 1,$(SUBMODULES),$(if $(wildcard vendor/$1/[CL]*),,\
-    $(error ERROR: missing git submodule '$1'; run 'git submodule update --init')))
+  $(error ERROR: missing git submodule '$1'; run 'git submodule update --init')))
 
 endif # UPX_MAKEFILE_EXTRA_MK_INCLUDED
+
+# vim:set ts=8 sw=8 noet:

misc/patches/zig/0001-x.patch

@@ -11,12 +11,13 @@ diff --git a/lib/libcxx/include/__config b/lib/libcxx/include/__config
 index fec323f..a16d145 100644
 --- a/lib/libcxx/include/__config
 +++ b/lib/libcxx/include/__config
-@@ -637,9 +637,11 @@ typedef __char32_t char32_t;
+@@ -637,9 +637,12 @@ typedef __char32_t char32_t;
  #    define _DECLARE_C99_LDBL_MATH 1
  #  endif
  
 +#  if defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION)
 +#    define _LIBCPP_HAS_LIBRARY_ALIGNED_ALLOCATION 0
++#  elif defined(_LIBCPP_HAS_LIBRARY_ALIGNED_ALLOCATION)
  // If we are getting operator new from the MSVC CRT, then allocation overloads
  // for align_val_t were added in 19.12, aka VS 2017 version 15.3.
 -#  if defined(_LIBCPP_MSVCRT) && defined(_MSC_VER) && _MSC_VER < 1912

misc/podman/rebuild-stubs/Dockerfile

@@ -8,23 +8,25 @@ ENV LANG=C.UTF-8
 RUN dpkg --add-architecture i386 \
     && apt-get update && apt-get upgrade -y \
     && apt-get install -y --no-install-recommends \
-        aria2 bash bash-completion ca-certificates curl git less libmpc3 \
+        aria2 bash bash-completion ca-certificates coreutils curl diffutils findutils git grep gzip \
-        make ncurses-term perl-base tar time wget xz-utils \
+        less libmpc3 make ncurses-term perl-base python3 sed sudo tar time util-linux wget xz-utils \
         libc6:i386 zlib1g:i386 \
         # the following packages are not required for rebuilding the stubs, but
         # they do make the image *much* more convenient and also allow building
         # the full UPX binary inside the container via CMake:
         7zip bat bfs btop bubblewrap busybox bzip2 bzip3 cabextract ccache chrpath cmake cpio \
-        dash diffstat direnv elfutils execstack eza fd-find file fish fzf \
+        dash diffstat direnv dmidecode elfutils execstack eza fd-find file fish fzf \
-        g++ gawk gdb gojq ht htop hyperfine jq ksh \
+        g++ gawk gdb gh gojq ht htop hyperfine jq just ksh \
         lftp libzstd-dev lsb-release lsd lz4 lzip lzop minify mksh moreutils musl neovim ninja-build \
         p7zip parallel patch patchelf patchutils pax-utils proot \
-        python3 python3-pyasn1 python3-pycryptodome python3-pycurl python3-tomli python3-tomli-w \
+        python3-pyasn1 python3-pycryptodome python3-pycurl python3-tomli python3-tomli-w \
         python3-yaml python3-zstd \
         re2c ripgrep rsync screen socat strace universal-ctags unzip valgrind yash yq \
         zip zlib1g-dev zoxide zsh zstd \
         # extra packages for compiling with "gcc -m32" and "gcc -mx32":
         g++-multilib gcc-multilib \
+    && apt-get install -y \
+        gcc-riscv64-linux-gnu \
     && true
 
 # install python2-minimal packages from Debian-11; REQUIRED
@@ -62,7 +64,7 @@ RUN cd /root \
 # install official UPX release binaries into /usr/local/bin; not required but convenient for testing
 RUN cd /root \
     && curl -sS -L -O https://github.com/upx/upx/releases/download/v3.91/upx-3.91-amd64_linux.tar.bz2 \
-    && xzversions="3.92 3.93 3.94 3.95 3.96 4.0.0 4.0.1 4.0.2 4.1.0 4.2.0 4.2.1 4.2.2 4.2.3 4.2.4 5.0.0" \
+    && xzversions="3.92 3.93 3.94 3.95 3.96 4.0.0 4.0.1 4.0.2 4.1.0 4.2.0 4.2.1 4.2.2 4.2.3 4.2.4 5.0.0 5.0.1 5.0.2" \
     && for v in $xzversions; do curl -sS -L -O https://github.com/upx/upx/releases/download/v${v}/upx-${v}-amd64_linux.tar.xz; done \
     && for f in ./upx-*.tar.*; do tar -xoaf $f; done \
     && for v in 3.91 $xzversions; do d=upx-${v}-amd64_linux; ./$d/upx -qq -d $d/upx -o /usr/local/bin/upx-${v}; done \

misc/scripts/run_cmake_config.sh

@@ -14,7 +14,7 @@ __add_cmake_config() {
 }
 
 # pass common CMake settings
-for v in CMAKE_VERBOSE_MAKEFILE; do
+for v in CMAKE_INSTALL_PREFIX CMAKE_VERBOSE_MAKEFILE; do
     __add_cmake_config $v
 done
 # pass common CMake toolchain settings

misc/scripts/upx-clang-format.sh

@@ -29,6 +29,6 @@ fi
 # limit memory usage to 1 GiB (in case of clang-format problems with invalid files)
 ulimit -v 1048576 || true
 
-#echo $UPX_CLANG_FORMAT
+#echo "$UPX_CLANG_FORMAT"
 exec "$UPX_CLANG_FORMAT" -style=file "$@"
 exit 99

misc/testsuite/mimic_ctest.sh

@@ -16,6 +16,12 @@ argv0=$0; argv0abs=$(readlink -fn "$argv0"); argv0dir=$(dirname "$argv0abs")
 #   $upx_exe_runner         (e.g. "qemu-x86_64 -cpu Nehalem" or "valgrind")
 #
 
+# Debugging aid for locating failing commands.  Depends on 'bash' shell.
+# (BASH_LINENO is relative to current FUNCTION only; non-function ==> 0)
+# Notice single-quoting of entire first argument.
+trap 'echo ERROR: pwd=\"$PWD\"  file=\"$BASH_SOURCE\"  line=${BASH_LINENO[0]}  cmd=\"$BASH_COMMAND\"' ERR
+# Example: "false a b c" ==> ERROR: pwd="path/misc/testsuite" file="./mimic_ctest.sh" line=0 cmd="false a b c"
+
 #***********************************************************************
 # init & checks
 #***********************************************************************
@@ -42,6 +48,7 @@ run_upx=( "${emu[@]}" "$upx_exe" )
 echo "run_upx='${run_upx[*]}'"
 
 # run_upx sanity check
+"${run_upx[@]}" --version-short || true
 if ! "${run_upx[@]}" --version-short >/dev/null; then echo "UPX-ERROR: FATAL: upx --version-short FAILED"; exit 1; fi
 if ! "${run_upx[@]}" -L >/dev/null 2>&1; then echo "UPX-ERROR: FATAL: upx -L FAILED"; exit 1; fi
 if ! "${run_upx[@]}" --help >/dev/null;  then echo "UPX-ERROR: FATAL: upx --help FAILED"; exit 1; fi
@@ -148,17 +155,27 @@ if [[ $UPX_CONFIG_DISABLE_EXHAUSTIVE_TESTS != ON ]]; then
     set +x
     for method in nrv2b nrv2d nrv2e lzma; do
         for level in 1 2 3 4 5 6 7; do
-            s="${method}-${level}"
+            for small in normal small; do
-            echo "========== $s =========="
+                s="${method}-${level}"
-            "${run_upx[@]}" -qq --${method} -${level} --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-${s}${exe}
+                ss=
-            "${run_upx[@]}" -qq -l upx-packed-${s}${exe}
+                if [[ $small == "small" ]]; then
-            "${run_upx[@]}" -qq --fileinfo upx-packed-${s}${exe}
+                    s="${method}-${level}-${small}"
-            "${run_upx[@]}" -qq -t upx-packed-${s}${exe}
+                    ss="--small"
-            "${run_upx[@]}" -qq -d upx-packed-${s}${exe} ${fo} -o upx-unpacked-${s}${exe}
+                fi
-            cmp -s upx-unpacked${exe} upx-unpacked-${s}${exe}
+                echo "========== $s =========="
-            if [[ $UPX_CONFIG_DISABLE_RUN_PACKED_TEST != ON ]]; then
+                "${run_upx[@]}" -qq --${method} -${level} ${ss} --all-filters --debug-use-random-filter "${upx_self_exe}" ${fo} -o upx-packed-${s}${exe}
-                "${emu[@]}" ./upx-packed-${s}${exe} --version-short
+                "${run_upx[@]}" -qq -l upx-packed-${s}${exe}
-            fi
+                "${run_upx[@]}" -qq --fileinfo upx-packed-${s}${exe}
+                "${run_upx[@]}" -qq -t upx-packed-${s}${exe}
+                "${run_upx[@]}" -qq -d upx-packed-${s}${exe} ${fo} -o upx-unpacked-${s}${exe}
+                cmp -s upx-unpacked${exe} upx-unpacked-${s}${exe}
+                if [[ $UPX_CONFIG_DISABLE_RUN_PACKED_TEST != ON ]]; then
+                    : ${upx_run_packed_test_count:=20}
+                    for ((i = 0; i < $upx_run_packed_test_count; i++)); do
+                        "${emu[@]}" ./upx-packed-${s}${exe} --version-short
+                    done
+                fi
+            done
         done
     done
 fi

misc/testsuite/mimic_ctest_sigsegv.sh

@@ -0,0 +1,46 @@
+#! /usr/bin/env bash
+## vim:set ts=4 sw=4 et:
+set -e; set -o pipefail
+argv0=$0; argv0abs=$(readlink -fn "$argv0"); argv0dir=$(dirname "$argv0abs")
+
+#
+# Copyright (C) Markus Franz Xaver Johannes Oberhumer
+#
+# mimic running "ctest", i.e. the "test" section of CMakeLists.txt
+#   - does not redirect stdout
+#   - allows freely setting $upx_exe_runner, while CMake is restricted to configure-time settings
+#
+# requires:
+#   $upx_exe                (required, but with convenience fallback "./upx")
+# optional settings:
+#   $upx_exe_runner         (e.g. "qemu-x86_64 -cpu Nehalem" or "valgrind")
+#
+
+cat >catch-sigsegv.gdb <<'EOF'
+catch signal SIGSEGV
+commands
+    x/i $pc
+    info reg
+    x/32i $pc-0x20
+    quit 77
+end
+EOF
+
+catcher=$(readlink -fn catch-sigsegv.gdb)
+
+function emu_gdb() {
+    gdb -q -x "$catcher" <<EOF --args "$@"
+    run
+EOF
+}
+
+if [[ -n $upx_exe_runner ]]; then
+    true
+elif [[ -n $CMAKE_CROSSCOMPILING_EMULATOR ]]; then
+    true
+else
+    upx_exe_runner=emu_gdb
+    : ${upx_run_packed_test_count:=20}
+fi
+
+source "$argv0dir/mimic_ctest.sh"

misc/testsuite/upx_testsuite_1-expected_sha256sums.sh

@@ -46,14 +46,14 @@ b8c35fa2956da17ca505956e9f5017bb5f3a746322647e24ccb8ff28059cafa4 *powerpc-linux.
 a0950546dc17fca9437219431d8ddb0249ce5b08e899e0c799a87ac982adee70 *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t110_compress_ucl_nrv2b_3_no_filter="\
-919f31ec6a70a81159f4fc1d3cd4e9d66800a242df2fac9e339a36e1bf648091 *amd64-linux.elf/upx-3.91
+836d9c5d9092421e49aeb573cde449ef740afbfea54d131ccbd88d8c7d87860d *amd64-linux.elf/upx-3.91
-548e950c9f082eb0eb42b18411bbc257365cfc9c937ab20f501ebf0db5850d25 *amd64-linux.elf/upx-3.95
+9776a2d030719f9d74413d17c1bb732aaabb610b341031facd2c1a75348fc661 *amd64-linux.elf/upx-3.95
 822718cc0f6ac5e57bb23eeb65be6f3f7e73df8b062853abddcc924ec8207596 *amd64-win64.pe/upx-3.95.exe
-4d8b2a8f29b38e097287e550d11810d7ecd4c5f07744545b3a315de908987bf6 *arm-linux.elf/upx-3.95
+40353c37020fd4bb713c5d54273b8dc07666e262b83a4f0652ccb8a236465f9c *arm-linux.elf/upx-3.95
 1440d6b44968954baf56fbc2a0739a51873455876114d4445ae4b67cb5e7893b *arm-wince.pe/upx-3.91.exe
-04c08626d4b03a4e969018eed7093c24de191b5d27db2a25221b134827806929 *arm64-linux.elf/upx-3.95
+35c08bf5086fe21ff19e3512359e54ac97c6d4513e6bb9ef4a59294bebf18f6a *arm64-linux.elf/upx-3.95
-6c8b276a0b611402d336b43cf8514b9a8d98be4f55a8301e784b7b88031b2b85 *armeb-linux.elf/upx-3.91
+0ca2dcd9e8b5c3f16dcb31e30b42ec57a70b8fe90281d412081095a3d7812f01 *armeb-linux.elf/upx-3.91
-dcd0c0060d44886966ae4e97b79a2c172f02d56228ea76dbc5c880ad59ef4ee5 *armeb-linux.elf/upx-3.95
+462a72efbb580a2e90564412737bb3c1db1d930cde5b4f2c94782df91c8e4f4b *armeb-linux.elf/upx-3.95
 a7ee051c5f9dcf233e2ee248274121b99fb8f098eff95469bc0638a7423723f0 *i386-dos32.djgpp2.coff/upx-3.91.exe
 85cf31be166cb59587a99419cdd0fc5a79825d7508ab2c9a4bc0d700d603354d *i386-dos32.djgpp2.coff/upx-3.95.exe
 fc7656d9a877967be7e339bfc98a0c63ea7b5abc30b96fa9e5931c75ecbe9827 *i386-linux.elf/upx-3.91
@@ -66,17 +66,17 @@ f60bab42fe3914109ab1b9f5d00a5be753cd0a2c1a79a3998d58800efedbfff7 *mipsel-linux.e
 b6d8cc9e2023a3fc415166afc378ccf2eb505487df84c8d959ec74b3fb4f8256 *mipsel-linux.elf/upx-3.95
 acd3dc5ed3e4c4eeaa42e7cca71a79d687dd844ce5f384666ed6e78327b5a8e3 *powerpc-linux.elf/upx-3.91
 03600584c97fa466ef58239452baf9ec6ff2f06b79d97d45c8490953080de6e3 *powerpc-linux.elf/upx-3.95
-2aa45e314e83a7ecc548a5116048a981755d00c3e102bd9a9fc6e9a2356047be *powerpc64le-linux.elf/upx-3.95
+3f02885d1e94e59062eb78c4c910cde042475a6cadb77a85a603de747a50f45c *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t120_compress_ucl_nrv2d_3_no_filter="\
-c5bafac11df5a38c1b72fd070373a0e1d5a066527129937c5bc9a280e21ad656 *amd64-linux.elf/upx-3.91
+8431343adec632690cec669038c246438c799e7dc1b8bc85586e0d2bcd2eebad *amd64-linux.elf/upx-3.91
-6cc1e01ac0b6140464a06f5aefb51c0388fdfe28f264a38061b50b3508203c07 *amd64-linux.elf/upx-3.95
+1852bded40be6eb5ddb07a491476dcfcca69cadda45a5f128aa8f967d567fa0b *amd64-linux.elf/upx-3.95
 5ab022e2c3ecb09931e2181fb5f7699f35e2b453b54c823e42653c84b0df5f2c *amd64-win64.pe/upx-3.95.exe
-e21b2305df2c1896eeae61010c3b65d8a50d476ea4a9bab6ec2fa4f9a0bed5a6 *arm-linux.elf/upx-3.95
+6de0cf1903760710a95cb5330d0ffb406a93f081dbe6806935f51b0c75e23f03 *arm-linux.elf/upx-3.95
 53121baf42c85991900aa3947f3d817fe6e894bc6f325ab1d576de6fba5fbcbf *arm-wince.pe/upx-3.91.exe
-7431abc46f0960311364ecd690965dd1fc74b2de4baca8e0af8f966735b6372e *arm64-linux.elf/upx-3.95
+3c9e49445280de6a771e77f6a88b3c3957815baa193e92a893d5defe6699f50a *arm64-linux.elf/upx-3.95
-8b67fc95dc555c2de4e3d0c85e4ab977f4c3fba24d68a2f9c402c51e08ad5f3b *armeb-linux.elf/upx-3.91
+627a3c77adfcd4ef8c32f1638a6b99e20e79bb914cbcebed6fb9ad5f96936530 *armeb-linux.elf/upx-3.91
-c3b3e5b0a379022b26bae96432c3f5f946990f45b0b26afe056afe1170bf33c7 *armeb-linux.elf/upx-3.95
+7faf9f0adf508cf29bf0ac2a62234df06d6c9153d6d59cf61019361db906daf8 *armeb-linux.elf/upx-3.95
 51e4faea51e12c7442b27bb50150f532ac51d8102f77a669cbce82f2675a2ef2 *i386-dos32.djgpp2.coff/upx-3.91.exe
 1196f578ab0b862bae8ac6b5166b770f072cf0ac521a2a23a6347c19ea82a0da *i386-dos32.djgpp2.coff/upx-3.95.exe
 3015651261f28fb43ed43a8c1fa257bcfcdc788e6fd3f436f3de23733736c724 *i386-linux.elf/upx-3.91
@@ -89,17 +89,17 @@ c3b3e5b0a379022b26bae96432c3f5f946990f45b0b26afe056afe1170bf33c7 *armeb-linux.el
 b78d8cd3a3402fed266c737cc34a32cc21b2b67b573e9e9071d4faf9fca89b89 *mipsel-linux.elf/upx-3.95
 ea9cae1d1701db3a0c53e9a651766db5bdc30032f48913a4a9e99f193a800acc *powerpc-linux.elf/upx-3.91
 aea86bf87870a1e48a454ac1ea9a80d90d8abe5113d418a71d8a9c4a74bb2d0a *powerpc-linux.elf/upx-3.95
-4b0c280570213f2cd94dad68aa8251baf05f817b4a569dda9444ff0d3adbb33d *powerpc64le-linux.elf/upx-3.95
+62038c87489dc5cd3772e8e4051cf1d416edecf267d37f390a649f4ae657e0f9 *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t130_compress_ucl_nrv2e_3_no_filter="\
-509bc9676a0f5f5ce6df118da8e792151db816fcce5490eadc87fc525aad5a35 *amd64-linux.elf/upx-3.91
+f817034e8b7765d8b422dac9cb6f24f78ce5bfd7169cd3b33e8224e00b131eca *amd64-linux.elf/upx-3.91
-e8d6bf8204c6bf5d170ca8d4c9cb48b3b7a48b04d665dd6e111980081fcba3b3 *amd64-linux.elf/upx-3.95
+d21441a05514c085c10e99b00d8cc4d45484297a8e4e8a246364ca4347d0ed56 *amd64-linux.elf/upx-3.95
 7bd7cd37093200fa94d21dd7fdfef4d7fb9c3049fbf5f408f1f242cb8d9c6a55 *amd64-win64.pe/upx-3.95.exe
-4424d813ae55bec589779461c4d4b25361a58ea91659f4a12a7a2d08158cea64 *arm-linux.elf/upx-3.95
+d328a89b333d0b36e96d0c61375bf686e8f3b73a188dd4d0df4d78e30af08632 *arm-linux.elf/upx-3.95
 ad0a7a18e87657d28260b7c527d284863becd3c5f92259c570125465f88d4042 *arm-wince.pe/upx-3.91.exe
-0bbeb73af475bc852313074a14360ae863364175d7fbd4c2f3450790bc3a58ee *arm64-linux.elf/upx-3.95
+0b700f0f7dde3118694155e876e6c2003ef701fe94856d6562936ec081278747 *arm64-linux.elf/upx-3.95
-7da4a04118f50824821c00f4f9abf6056128ac33de6ac45a145fb5d4810850d9 *armeb-linux.elf/upx-3.91
+53a1d04fa62e25e64e6f792b079e21b4c42676a73503ae6d9e67ae16c98e6d04 *armeb-linux.elf/upx-3.91
-b4191959889ecb2b9bd2dd046318b414ab5a8268517572017466fbc9c986925e *armeb-linux.elf/upx-3.95
+33ed1e3b84836d2af52295ba0b90343ac0b8d524539ce3b8d0aa9f19a51d70dd *armeb-linux.elf/upx-3.95
 6fcdc8e34ce8b3501db2260c8a921c6e963954fdeffedfefca353a27bcc02d56 *i386-dos32.djgpp2.coff/upx-3.91.exe
 6f4f901c1838252f9b3104060475a6f13a2ebec830096ff28d870148580e4287 *i386-dos32.djgpp2.coff/upx-3.95.exe
 8127f8380300508e8062e9391e321abd0429a6a31fec41e769cc7fe80af27e27 *i386-linux.elf/upx-3.91
@@ -112,17 +112,17 @@ cd9b3d3780a79cb416b261d622e8e86f2369fa8bb9bc49b529c50cac2980d528 *mipsel-linux.e
 5baf7db9e4335c0227106262efc9d18ad23b88c6d6bb636656aea67bb063b6ec *mipsel-linux.elf/upx-3.95
 aba8bd826ee52d533f9e1c4270d4f4194fe8d8747ea10a1d3ce59b6443f1a9f2 *powerpc-linux.elf/upx-3.91
 6f737ccbf8c830476bed9c4dd33dd7757ea25bf2f8fb03b44d03e9b77ada0f1b *powerpc-linux.elf/upx-3.95
-91ee0982626eec07e524523d54873790b183aca5bdb27255771fcbfbc081cbc3 *powerpc64le-linux.elf/upx-3.95
+d313dd128a54189b9551a529b1ed21b222aa0394a30f9ba552cde96edcd4011e *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t140_compress_lzma_2_no_filter="\
-ed2849169a873bb4070e9d878126f7bc19fb326d1dc6e169901ff3a3026661c3 *amd64-linux.elf/upx-3.91
+fefac6fbd1e95479eb4066519f9bd801a30c29966685840b6a011e2911b984ca *amd64-linux.elf/upx-3.91
-2b7f9baf27490274fe9301e8a962ac2bae03da0afec67c17df8f8f0e27157891 *amd64-linux.elf/upx-3.95
+64487a0e0aade092a8ff7e6d8d9528ca550540cac8d432005ba610179782d042 *amd64-linux.elf/upx-3.95
 a55ec5a7f2911f6da8b9336daf4f1051e753cfb7a4458c7f7baa6b63340c6daf *amd64-win64.pe/upx-3.95.exe
-8765db7ae04a03af743ad8afc586b943b84b65aca9f1ec240232daa2161ba703 *arm-linux.elf/upx-3.95
+9f405739b904bb85053b75187c9175e4ac7f66a07ac5e320eaa4e9771e1ec79e *arm-linux.elf/upx-3.95
 7a6c603eecf214e5d6742f1fce922223c97c8bd2527678a968640dd6c1bc0d71 *arm-wince.pe/upx-3.91.exe
-810aa1e8f15d9617a0fac4bc4e5c5c5219fc44125d41ced661c744d6c5bb9857 *arm64-linux.elf/upx-3.95
+c8435e2f82ba72a0b6abad4146539d40d495461c5e480af705b2bbd21d192128 *arm64-linux.elf/upx-3.95
-1dbb05c09fb972c3a5f87ace0c802af48f8b20f7f977f5a14b91dad59800d6a6 *armeb-linux.elf/upx-3.91
+21fc48eaaedc73fe9239159fb864c6149f729ef1661a8407b88ad9c9a19f9a54 *armeb-linux.elf/upx-3.91
-a1fba814639540616175e0c058267e96f839d85a187b01af764af14ae1b6019c *armeb-linux.elf/upx-3.95
+742db587dc53f616c7b276a930c3f586da2b7c3ce6ccd523c041e88a9671b99b *armeb-linux.elf/upx-3.95
 7a8eaa5139b95cc56591200fce62d3c9af163671467952cab6fcf487318107bb *i386-dos32.djgpp2.coff/upx-3.91.exe
 9b5fc0f54a5f811bda190c36fb2fa5c5b03c6c3de0c62693e4191230b5a419b8 *i386-dos32.djgpp2.coff/upx-3.95.exe
 68b4ce63cb0bd7dd5b287e1f9fa5d9bc234ac36359ce3ebff863984c503a698e *i386-linux.elf/upx-3.91
@@ -135,17 +135,17 @@ e268c98fdacfd04268d76644f2bb4746ae04b57801407aaa1867798840eeeea0 *m68k-atari.tos
 339d38602413d97d9bba113f39884815af10ebcdccf37e3f5e8d0879f262a048 *mipsel-linux.elf/upx-3.95
 6d4f9d4383ebc9d8411d06a7c219dcf3e8513ea8c989f2d31ab382602f873ba5 *powerpc-linux.elf/upx-3.91
 5dd727d8d5a35cc0ab86d629285d8ff450f52b538118679edaa886ce9c1fed7d *powerpc-linux.elf/upx-3.95
-d915a3326dda439c0e30df2bd7abf9856a5b5e039142c4ea74e72cb43c854160 *powerpc64le-linux.elf/upx-3.95
+efec1e5bbb9bcf11dbc7081adfc2020de18fae326ad86194551c44fba0d2148d *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t150_compress_ucl_2_all_filters="\
-fc30606d37c697f5c79742bf6e7d2afa8503e69fc87e52274d00b5210d03157a *amd64-linux.elf/upx-3.91
+05b29bde32af1e63e837e2be499567c4b10d7e692c88082f24e3417e0c7b9f40 *amd64-linux.elf/upx-3.91
-c6d66f6d4f92812801c021a854fbd94745a7b63e0477678b8eb1dc26c5b0a9a4 *amd64-linux.elf/upx-3.95
+65c142ee01af09fa8741932c1f21d466be971aad059cc5afddbb7ecdf142c1bb *amd64-linux.elf/upx-3.95
 cbb5c90bd9195bd9e3acd931312a70deeccfab5540f398ceda8826f8d6b332bf *amd64-win64.pe/upx-3.95.exe
-bb88759de778b1099b51a012f915e646ebfddcbd2fb26b3a1e760fc81a41d2b9 *arm-linux.elf/upx-3.95
+1ea1bb18c0ac85c07450f0a6704b84e58a1322556757e2943340ef381b2ce675 *arm-linux.elf/upx-3.95
 76a5f0518fc797bd3f132ce6eb61ca187b5d463f191417883a73d4584716c23a *arm-wince.pe/upx-3.91.exe
-7b9290c2ab01632d8baa28b24498fbcd734caf8e3846864bb62a8282de3ffd9a *arm64-linux.elf/upx-3.95
+4df30002376a4f18029ea9dd8260d395bec3a3fa11fbc5aa19859c2f0efdc2e6 *arm64-linux.elf/upx-3.95
-0bafd7837327b590b3be06676ee73c52405e5e4a36a6d06f8b6773e93c499420 *armeb-linux.elf/upx-3.91
+ba03fd4889210435c9673f2dcbd2269162037090eccc79cf7d2b896e64a57e2e *armeb-linux.elf/upx-3.91
-aea39071ff8ce0b2a59f30e50603ef2ec39789693a3dd9baa4e6be1e49b4e068 *armeb-linux.elf/upx-3.95
+681f32d01c76ff31776b8d6f1556daa38eee297f675aa40ff1bb2e47e12adf15 *armeb-linux.elf/upx-3.95
 aa05c3a2953f0f2d70842cba45786b707a79ffef22fd084f51e304762cc67765 *i386-dos32.djgpp2.coff/upx-3.91.exe
 c677241e9a8753ba1332ac3875ab6398fb2d792d2627edd9e58f2535b3131abe *i386-dos32.djgpp2.coff/upx-3.95.exe
 7bcd42f58dcc8ddb6cb1a4e33d56b584fe6d49b002b01a0859571d1324dd593a *i386-linux.elf/upx-3.91
@@ -158,17 +158,17 @@ c5107a84d32de820c81401259a7dd23435ea625588d56c6c75ad6fa14b0dbf8b *mips-linux.elf
 fd9ea397a29b41a2143f9e02217e181d0075d7ad7d87bdbadc7fc94bfb1b0d76 *mipsel-linux.elf/upx-3.95
 c47d1299f6ecf86e62528fc54979117b2b2ddbb6c80f553689402399fc7eab28 *powerpc-linux.elf/upx-3.91
 77c3b4ba6909a4e20180bc13775e280086d67240519c323c2005f3fcee6e0b78 *powerpc-linux.elf/upx-3.95
-9741ba142aa8f9fb554dbab3a0295b1aa58e5f246274e2831583d8f99af59764 *powerpc64le-linux.elf/upx-3.95
+e3ce51b863905a4831958c72541b04e9f893f0d9827f32e615822db7aebd56bc *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t160_compress_all_methods_1_no_filter="\
-115046275f6bccbaa34b7aefbedeba8741aba4e4876340a3d7363bae86ee4209 *amd64-linux.elf/upx-3.91
+94c91b97fcce7402a4494b22699b2450e8e4e2a9f4ddd66e1133c76ce198c167 *amd64-linux.elf/upx-3.91
-a8394890b5d731258316b520da2a5e4b43902742d237536fb7fbc578c6197fbb *amd64-linux.elf/upx-3.95
+5b3e85adb37919d051c6eaff205b8e1d77a2dfde0d8e7dcdee7c22f8fd5dc8c7 *amd64-linux.elf/upx-3.95
 5a0ecb45658904bcd0b823b77dba039c9814e2eff4ed429784c36b7074b9858c *amd64-win64.pe/upx-3.95.exe
-0976be6c56de1ac2314d8a4962ae3d9d7be962847600db5e2bab529ab32cebd6 *arm-linux.elf/upx-3.95
+de93a219ca3c4ea84bd9c1b5fb37ff4aaa0a08ea6eac18da6d7a5865e4dad19c *arm-linux.elf/upx-3.95
 fdbe0395ac401285edb9c2f9bfbb0fbd3c0eaad5052a88d8369b1a66b35a8a3e *arm-wince.pe/upx-3.91.exe
-1c8d536870d0244bb12cb8fdd6cd35ad7e9a53bbc4aa8e2e12af72447caaf467 *arm64-linux.elf/upx-3.95
+acdb7ff90d7c6f403872ec333e2987ee74e99d6e1390863b321b528d312c1084 *arm64-linux.elf/upx-3.95
-912b6ca141a028974bc46aeb571314db371647201974283992752933f39200b1 *armeb-linux.elf/upx-3.91
+54860e61da36414dc105aafcdbb86c79b745913a7d0da911fa58a6941f111e2d *armeb-linux.elf/upx-3.91
-0b5757e474bcf3136edf10e403f95e706b214a5cf7d8577fbf7778175b1bef61 *armeb-linux.elf/upx-3.95
+7c36b75cc8a0712515e12a9e565df4ca43bff6cc0077afb282d367fcc2ee2acd *armeb-linux.elf/upx-3.95
 0a0099246096d20ff6035a4df6566954b9d8aff9ed8fdbd35aa5ee4995b02bfe *i386-dos32.djgpp2.coff/upx-3.91.exe
 5df7aa9f0896df87eb8798119ad16a9b89c87a7568a67339e33b5baa99ec361f *i386-dos32.djgpp2.coff/upx-3.95.exe
 53e5aae9bc70f58e3dc2aef5a94f66df2517d547670e72ee2b3189b7da809f41 *i386-linux.elf/upx-3.91
@@ -181,17 +181,17 @@ f3d33c5c9809943a902133490bcf0cfbe39a5ef1635a0c29b3bdc4f35dfffa50 *i386-win32.pe/
 68f674d081d87e86e54f0051eee9e2bc85b566051992774ab28ff3173cbcb75a *mipsel-linux.elf/upx-3.95
 f569d8f49d7110bb8b262a48055b39d889e9977c40c5f1b21e74f8cbf93b27ae *powerpc-linux.elf/upx-3.91
 d8227a8a88c083760889acaf259e7da59eab75a23e341289bc8e3c60563ae344 *powerpc-linux.elf/upx-3.95
-1675cd12ecdccdcc8bb73d75e8841f5bfde6dfd424dc73cb0065ebf271ace1f8 *powerpc64le-linux.elf/upx-3.95
+e4b58ed65025b765953af02e80be9a171c49b6c707c835949b1c888fdbe8bba0 *powerpc64le-linux.elf/upx-3.95
 "
 expected_sha256sums__t170_compress_all_methods_no_lzma_5_no_filter="\
-09cee61e2a4e94455d75a76711078719c3ca7fab77f047c4c85c9424e651956d *amd64-linux.elf/upx-3.91
+52a39c30b60abb82c1ec2826297eb46abdc29b5dd55d7a7a41dd2fc1c573f60a *amd64-linux.elf/upx-3.91
-0196cbaa36e5224b26729f1bb13990327878ffb0d2cd5784f8fbe715f12dcc1c *amd64-linux.elf/upx-3.95
+f0c728c42e8775767e0d963e1eef7ca78711f3f6dd180df980a1faef926d7cac *amd64-linux.elf/upx-3.95
 e07e9babdeb12fddeebbfa1b0293163cc5e63017d6f0933d02587c8da1e90a82 *amd64-win64.pe/upx-3.95.exe
-4b93e4dd9baea301479fa989d935b7b6b43b2b54464c5def0db1a00b6a15d719 *arm-linux.elf/upx-3.95
+f0359efa2247e9ea756f54c85e7518d61f3b293e08f566c3812c64c7d5f0db0f *arm-linux.elf/upx-3.95
 8d1706ab02013b536c3a4cec20d40a96591ffa45fdcb464ccd3f038567006d79 *arm-wince.pe/upx-3.91.exe
-be753ff9bc789d80f32cec35cc0f9c67b102d297f607b328779ba8d80da13593 *arm64-linux.elf/upx-3.95
+14932490ff17e27bb5bedde576b8683892c4720f4a0058f373aab9f8894fda09 *arm64-linux.elf/upx-3.95
-4c6d40107b5bce15a40aef514b57ac6dd644162998915aee412feca21582118a *armeb-linux.elf/upx-3.91
+64a73512e40c2fb49d8ae3a1d496b379c97b8724cf8ca4461a85825ff04366a0 *armeb-linux.elf/upx-3.91
-9d70d663c00378aa1c1c43d55327a895be33ea081bac13ce8a7ea6895b539679 *armeb-linux.elf/upx-3.95
+078e7cd073ba071f17ad4292e2211b7d635f57e974546e7f156cc87f9aa716e2 *armeb-linux.elf/upx-3.95
 dda2c348c43741a1bd65049a8e7b51be1ebf873d215370ec002185c85390c168 *i386-dos32.djgpp2.coff/upx-3.91.exe
 560392427ded22f2f3fea59ef10e55d65cf841001e67b1e4558ef13514baa602 *i386-dos32.djgpp2.coff/upx-3.95.exe
 f3f8feceebe8536633554b204df68c2e94e1d1a313fe7a576b7f5d404c916083 *i386-linux.elf/upx-3.91
@@ -204,6 +204,6 @@ ad47c7522167f6f7e47d495e1fa119431386ca5ea9bc16b6a4b9cb38cf9cd29f *i386-win32.pe/
 1dcd626fc4566c608e987fd6999b695793c5cae7f78872e3d1a9a23942fea188 *mipsel-linux.elf/upx-3.95
 2047a4a880322bf41e8afbb4787f6103364de4a299b543808251a4144c4d990b *powerpc-linux.elf/upx-3.91
 63679bd238f30bfb14853246eb257536471fea10f942b2adfdd43cbef21dea30 *powerpc-linux.elf/upx-3.95
-f075e10b0f7c9ab703d0f923387e7ae425fa22c04349cb8085916c32afe4eef2 *powerpc64le-linux.elf/upx-3.95
+c75d1548db879ed589b55bc1319869b49d37595f4560a64b34016951dc02f997 *powerpc64le-linux.elf/upx-3.95
 "
 ########## end .sha256sums.recreate

misc/valgrind/musl.supp

@@ -9,6 +9,12 @@
    Memcheck:Cond
    fun:enframe
 }
+{
+   musl-malloc-get_nominal_size
+   Memcheck:Cond
+   fun:get_nominal_size
+   fun:__libc_free
+}
 
 # these are only needed for older musl versions
 

src/Makefile

@@ -25,11 +25,11 @@ endif
 .SECONDEXPANSION:
 .SUFFIXES:
 
-build/debug build/release build/all:                PHONY; $(MAKE) -C $(top_srcdir) $@
+build/debug build/release build/all:                PHONY; $(MAKE) -C "$(top_srcdir)" $@
-build/debug+test build/release+test build/all+test: PHONY; $(MAKE) -C $(top_srcdir) $@
+build/debug+test build/release+test build/all+test: PHONY; $(MAKE) -C "$(top_srcdir)" $@
 # shortcuts
-debug release all:                                  PHONY; $(MAKE) -C $(top_srcdir) $@
+debug release all:                                  PHONY; $(MAKE) -C "$(top_srcdir)" $@
-debug+test release+test all+test:                   PHONY; $(MAKE) -C $(top_srcdir) $@
+debug+test release+test all+test:                   PHONY; $(MAKE) -C "$(top_srcdir)" $@
 
 test: $$(patsubst %+test,%,$$(.DEFAULT_GOAL))+test PHONY
 
@@ -61,11 +61,11 @@ run-testsuite-%: export upx_testsuite_SRCDIR := $(upx_testsuite_SRCDIR)
 run-testsuite-debug: export upx_testsuite_BUILDDIR := ./tmp-upx-testsuite-debug
 run-testsuite-debug: export upx_exe := $(top_srcdir)/build/debug/upx
 run-testsuite-debug: build/debug PHONY
-	time -p bash $(top_srcdir)/misc/testsuite/upx_testsuite_1.sh
+	time -p bash "$(top_srcdir)/misc/testsuite/upx_testsuite_1.sh"
 run-testsuite-release: export upx_testsuite_BUILDDIR := ./tmp-upx-testsuite-release
 run-testsuite-release: export upx_exe := $(top_srcdir)/build/release/upx
 run-testsuite-release: build/release PHONY
-	time -p bash $(top_srcdir)/misc/testsuite/upx_testsuite_1.sh
+	time -p bash "$(top_srcdir)/misc/testsuite/upx_testsuite_1.sh"
 endif
 endif
 
@@ -75,9 +75,9 @@ endif
 
 ifneq ($(wildcard /usr/bin/env),) # need Unix utils like bash, perl, sed, xargs, etc.
 
-CHECK_WHITESPACE = bash $(top_srcdir)/misc/scripts/check_whitespace.sh $(top_srcdir)
+CHECK_WHITESPACE = bash "$(top_srcdir)/misc/scripts/check_whitespace.sh" "$(top_srcdir)"
 ifneq ($(wildcard $(top_srcdir)/.git/.),)
-CHECK_WHITESPACE = bash $(top_srcdir)/misc/scripts/check_whitespace_git.sh $(top_srcdir)
+CHECK_WHITESPACE = bash "$(top_srcdir)/misc/scripts/check_whitespace_git.sh" "$(top_srcdir)"
 endif
 check-whitespace: PHONY; $(CHECK_WHITESPACE)
 
@@ -100,7 +100,7 @@ CLANG_FORMAT_FILES += $(sort $(wildcard ../misc/cmake/try_compile/*.[ch]*))
 CLANG_FORMAT_FILES := $(sort $(filter-out $(CLANG_FORMAT_EXCLUDE_FILES),$(CLANG_FORMAT_FILES)))
 clang-format: $(CLANG_FORMAT_FILES) PHONY
 	@echo "running upx-clang-format"
-	@bash $(top_srcdir)/misc/scripts/upx-clang-format.sh -i $(CLANG_FORMAT_FILES)
+	@bash "$(top_srcdir)/misc/scripts/upx-clang-format.sh" -i $(CLANG_FORMAT_FILES)
 
 endif # Linux
 endif # /usr/bin/env

src/bele.h

@@ -32,8 +32,9 @@
 // NE - Native Endianness (aka Host Endianness aka CPU Endianness)
 // TE - Target Endianness (not used here, see various packers)
 
-static_assert(std::is_same_v<upx_uint32_t, unsigned>);
 static_assert(std::is_same_v<byte, unsigned char>);
+static_assert(std::is_same_v<upx_int32_t, int>);
+static_assert(std::is_same_v<upx_uint32_t, unsigned>);
 
 #if defined(upx_is_constant_evaluated)
 #define bele_constexpr constexpr
@@ -294,13 +295,15 @@ forceinline constexpr upx_uint64_t no_bswap64(upx_uint64_t v) noexcept { return
 #define ne16_to_le16(v) bswap16(v)
 #define ne32_to_le32(v) bswap32(v)
 #define ne64_to_le64(v) bswap64(v)
-#else
+#elif (ACC_ABI_LITTLE_ENDIAN)
 #define ne16_to_be16(v) bswap16(v)
 #define ne32_to_be32(v) bswap32(v)
 #define ne64_to_be64(v) bswap64(v)
 #define ne16_to_le16(v) no_bswap16(v)
 #define ne32_to_le32(v) no_bswap32(v)
 #define ne64_to_le64(v) no_bswap64(v)
+#else
+#error "ACC_ABI_ENDIAN"
 #endif
 
 /*************************************************************************
@@ -359,8 +362,12 @@ inline constexpr unsigned get_be24(const byte *p) noexcept {
 inline constexpr unsigned get_le24(const byte *p) noexcept {
     return upx::compile_time::get_le24(p);
 }
+inline constexpr unsigned get_ne24(const byte *p) noexcept {
+    return upx::compile_time::get_ne24(p);
+}
 inline constexpr void set_be24(byte *p, unsigned v) noexcept { upx::compile_time::set_be24(p, v); }
 inline constexpr void set_le24(byte *p, unsigned v) noexcept { upx::compile_time::set_le24(p, v); }
+inline constexpr void set_ne24(byte *p, unsigned v) noexcept { upx::compile_time::set_ne24(p, v); }
 
 REQUIRE_XE24
 forceinline bele_constexpr unsigned get_be24(const XE24 *p) noexcept {
@@ -371,6 +378,10 @@ forceinline bele_constexpr unsigned get_le24(const XE24 *p) noexcept {
     return get_le24(upx::ptr_static_cast<const byte *>(p));
 }
 REQUIRE_XE24
+forceinline bele_constexpr unsigned get_ne24(const XE24 *p) noexcept {
+    return get_ne24(upx::ptr_static_cast<const byte *>(p));
+}
+REQUIRE_XE24
 forceinline bele_constexpr void set_be24(XE24 *p, unsigned v) noexcept {
     set_be24(upx::ptr_static_cast<byte *>(p), v);
 }
@@ -378,6 +389,10 @@ REQUIRE_XE24
 forceinline bele_constexpr void set_le24(XE24 *p, unsigned v) noexcept {
     set_le24(upx::ptr_static_cast<byte *>(p), v);
 }
+REQUIRE_XE24
+forceinline bele_constexpr void set_ne24(XE24 *p, unsigned v) noexcept {
+    set_ne24(upx::ptr_static_cast<byte *>(p), v);
+}
 
 REQUIRE_XE32
 inline bele_constexpr unsigned get_le26(const XE32 *p) noexcept { return get_le32(p) & 0x03ffffff; }
@@ -411,7 +426,7 @@ inline bele_constexpr void set_le14_5(XE32 *p, unsigned v) noexcept {
 // get signed values
 **************************************************************************/
 
-forceinline constexpr int sign_extend(unsigned v, unsigned bits) noexcept {
+forceinline constexpr int sign_extend32(unsigned v, unsigned bits) noexcept {
 #if (ACC_ARCH_M68K) // no barrel shifter
     const unsigned sign_bit = 1u << (bits - 1);
     return ACC_ICAST(int, (v & (sign_bit - 1)) - (v & sign_bit));
@@ -420,7 +435,7 @@ forceinline constexpr int sign_extend(unsigned v, unsigned bits) noexcept {
 #endif
 }
 
-forceinline constexpr upx_int64_t sign_extend(upx_uint64_t v, unsigned bits) noexcept {
+forceinline constexpr upx_int64_t sign_extend64(upx_uint64_t v, unsigned bits) noexcept {
 #if (ACC_ARCH_M68K) // no barrel shifter
     const upx_uint64_t sign_bit = upx_uint64_t(1) << (bits - 1);
     return ACC_ICAST(upx_int64_t, (v & (sign_bit - 1)) - (v & sign_bit));
@@ -432,49 +447,49 @@ forceinline constexpr upx_int64_t sign_extend(upx_uint64_t v, unsigned bits) noe
 REQUIRE_XE16
 inline bele_constexpr int get_be16_signed(const XE16 *p) noexcept {
     unsigned v = get_be16(p);
-    return sign_extend(v, 16);
+    return sign_extend32(v, 16);
 }
 
 REQUIRE_XE24
 inline bele_constexpr int get_be24_signed(const XE24 *p) noexcept {
     unsigned v = get_be24(p);
-    return sign_extend(v, 24);
+    return sign_extend32(v, 24);
 }
 
 REQUIRE_XE32
 inline bele_constexpr int get_be32_signed(const XE32 *p) noexcept {
     unsigned v = get_be32(p);
-    return sign_extend(v, 32);
+    return sign_extend32(v, 32);
 }
 
 REQUIRE_XE64
 inline bele_constexpr upx_int64_t get_be64_signed(const XE64 *p) noexcept {
     upx_uint64_t v = get_be64(p);
-    return sign_extend(v, 64);
+    return sign_extend64(v, 64);
 }
 
 REQUIRE_XE16
 inline bele_constexpr int get_le16_signed(const XE16 *p) noexcept {
     unsigned v = get_le16(p);
-    return sign_extend(v, 16);
+    return sign_extend32(v, 16);
 }
 
 REQUIRE_XE24
 inline bele_constexpr int get_le24_signed(const XE24 *p) noexcept {
     unsigned v = get_le24(p);
-    return sign_extend(v, 24);
+    return sign_extend32(v, 24);
 }
 
 REQUIRE_XE32
 inline bele_constexpr int get_le32_signed(const XE32 *p) noexcept {
     unsigned v = get_le32(p);
-    return sign_extend(v, 32);
+    return sign_extend32(v, 32);
 }
 
 REQUIRE_XE64
 inline bele_constexpr upx_int64_t get_le64_signed(const XE64 *p) noexcept {
     upx_uint64_t v = get_le64(p);
-    return sign_extend(v, 64);
+    return sign_extend64(v, 64);
 }
 
 /*************************************************************************
@@ -1084,7 +1099,7 @@ TT_UPX_IS_INTEGRAL(LE32);
 TT_UPX_IS_INTEGRAL(LE64);
 #undef TT_UPX_IS_INTEGRAL
 
-// native types
+// NE - Native Endianness (aka Host Endianness aka CPU Endianness)
 #if (ACC_ABI_BIG_ENDIAN)
 typedef BE16 NE16;
 typedef BE32 NE32;
@@ -1095,7 +1110,7 @@ typedef BE64 NE64;
 #define ne16_compare_signed be16_compare_signed
 #define ne32_compare_signed be32_compare_signed
 #define ne64_compare_signed be64_compare_signed
-#else
+#elif (ACC_ABI_LITTLE_ENDIAN)
 typedef LE16 NE16;
 typedef LE32 NE32;
 typedef LE64 NE64;
@@ -1105,6 +1120,8 @@ typedef LE64 NE64;
 #define ne16_compare_signed le16_compare_signed
 #define ne32_compare_signed le32_compare_signed
 #define ne64_compare_signed le64_compare_signed
+#else
+#error "ACC_ABI_ENDIAN"
 #endif
 
 /*************************************************************************

src/bele_policy.h

@@ -135,7 +135,7 @@ struct BEPolicy final
     S u32_compare_signed(const void *a, const void *b) C { return be32_compare_signed(a, b); }
     S u64_compare_signed(const void *a, const void *b) C { return be64_compare_signed(a, b); }
 
-    static void compileTimeAssertions() {
+    static void compileTimeAssertions() noexcept {
         COMPILE_TIME_ASSERT(sizeof(U16) == 2)
         COMPILE_TIME_ASSERT(sizeof(U32) == 4)
         COMPILE_TIME_ASSERT(sizeof(U64) == 8)
@@ -194,7 +194,7 @@ struct LEPolicy final
     S u32_compare_signed(const void *a, const void *b) C { return le32_compare_signed(a, b); }
     S u64_compare_signed(const void *a, const void *b) C { return le64_compare_signed(a, b); }
 
-    static void compileTimeAssertions() {
+    static void compileTimeAssertions() noexcept {
         COMPILE_TIME_ASSERT(sizeof(U16) == 2)
         COMPILE_TIME_ASSERT(sizeof(U32) == 4)
         COMPILE_TIME_ASSERT(sizeof(U64) == 8)
@@ -210,7 +210,7 @@ private:
     UPX_CXX_DISABLE_NEW_DELETE(LEPolicy)
 };
 
-// Native Endianness policy (aka host policy)
+// NE - Native Endianness policy (aka Host Policy)
 #if (ACC_ABI_BIG_ENDIAN)
 typedef BEPolicy NEPolicy;
 typedef BEPolicy HostPolicy;

src/check/dt_check.cpp

@@ -262,7 +262,7 @@ ASSERT_SAME_TYPE(short, upx_int16_t);
 ASSERT_SAME_TYPE(unsigned short, upx_uint16_t);
 ASSERT_SAME_TYPE(int, upx_int32_t);
 ASSERT_SAME_TYPE(unsigned, upx_uint32_t);
-#if (__SIZEOF_LONG_LONG__ + 0 < 128)
+#if (__SIZEOF_LONG_LONG__ + 0 < 16)
 ASSERT_SAME_TYPE(long long, upx_int64_t);
 ASSERT_SAME_TYPE(unsigned long long, upx_uint64_t);
 #endif
@@ -283,18 +283,18 @@ static_assert(bswap32(bswap32(0xf4f3f2f1)) == no_bswap32(0xf4f3f2f1));
 static_assert(bswap64(bswap64(0xf8f7f6f5f4f3f2f1ull)) == no_bswap64(0xf8f7f6f5f4f3f2f1ull));
 #endif
 
-static_assert(sign_extend(0u + 0, 8) == 0);
+static_assert(sign_extend32(0u + 0, 8) == 0);
-static_assert(sign_extend(0u + 1, 8) == 1);
+static_assert(sign_extend32(0u + 1, 8) == 1);
-static_assert(sign_extend(0u + 127, 8) == 127);
+static_assert(sign_extend32(0u + 127, 8) == 127);
-static_assert(sign_extend(0u + 128, 8) == -128);
+static_assert(sign_extend32(0u + 128, 8) == -128);
-static_assert(sign_extend(0u - 1, 8) == -1);
+static_assert(sign_extend32(0u - 1, 8) == -1);
-static_assert(sign_extend(0u + 256, 8) == 0);
+static_assert(sign_extend32(0u + 256, 8) == 0);
-static_assert(sign_extend(0u + 257, 8) == 1);
+static_assert(sign_extend32(0u + 257, 8) == 1);
-static_assert(sign_extend(0u + 383, 8) == 127);
+static_assert(sign_extend32(0u + 383, 8) == 127);
-static_assert(sign_extend(0u + 384, 8) == -128);
+static_assert(sign_extend32(0u + 384, 8) == -128);
-static_assert(sign_extend(0u + 511, 8) == -1);
+static_assert(sign_extend32(0u + 511, 8) == -1);
-static_assert(sign_extend(upx_uint64_t(0) + 0, 1) == 0);
+static_assert(sign_extend64(upx_uint64_t(0) + 0, 1) == 0);
-static_assert(sign_extend(upx_uint64_t(0) + 1, 1) == -1);
+static_assert(sign_extend64(upx_uint64_t(0) + 1, 1) == -1);
 
 static_assert(CHAR_BIT == 8);
 #if 0 // does not work with MSVC
@@ -1101,14 +1101,14 @@ void upx_compiler_sanity_check(void) noexcept {
     assert_noexcept(TestBELE<BE32>::test());
     assert_noexcept(TestBELE<BE64>::test());
     {
-        alignas(16) static constexpr byte dd[32] = {
+        alignas(16) static constexpr const byte dd[32] = {
             0, 0, 0, 0,    0,    0,    0,    0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0,
             0, 0, 0, 0x7f, 0x7e, 0x7d, 0x7c, 0x7b, 0x7a, 0x79, 0x78, 0,    0,    0,    0,    0};
-        constexpr const byte *d = dd + 7;
 #if !defined(upx_fake_alignas_16)
         assert_noexcept(ptr_is_aligned<16>(dd));
         assert_noexcept(ptr_is_aligned(dd, 16));
 #endif
+        constexpr const byte *d = dd + 7;
         static_assert(upx::compile_time::get_be16(d) == 0xfffe);
         static_assert(upx::compile_time::get_be24(d) == 0xfffefd);
         static_assert(upx::compile_time::get_be32(d) == 0xfffefdfc);
@@ -1117,10 +1117,10 @@ void upx_compiler_sanity_check(void) noexcept {
         static_assert(upx::compile_time::get_le24(d) == 0xfdfeff);
         static_assert(upx::compile_time::get_le32(d) == 0xfcfdfeff);
         static_assert(upx::compile_time::get_le64(d) == 0xf8f9fafbfcfdfeffULL);
-        const N_BELE_RTP::AbstractPolicy *bele;
         assert_noexcept(upx_adler32(d, 4) == 0x09f003f7);
         assert_noexcept(upx_adler32(d, 4, 0) == 0x09ec03f6);
         assert_noexcept(upx_adler32(d, 4, 1) == 0x09f003f7);
+        const N_BELE_RTP::AbstractPolicy *bele;
         bele = &N_BELE_RTP::be_policy;
         assert_noexcept(get_be16(d) == 0xfffe);
         assert_noexcept(bele->get16(d) == 0xfffe);
@@ -1212,29 +1212,33 @@ void upx_compiler_sanity_check(void) noexcept {
         for (int i = 0; i < 256; i++) {
             {
                 const unsigned u = i;
-                assert_noexcept(sign_extend(u, 1) == ((i & 1) ? -1 : 0));
+                assert_noexcept(sign_extend32(u, 1) == ((i & 1) ? -1 : 0));
-                assert_noexcept(sign_extend(u, 2) == ((i & 2) ? -2 + (i & 1) : (i & 1)));
+                assert_noexcept(sign_extend32(u, 2) == ((i & 2) ? -2 + (i & 1) : (i & 1)));
-                assert_noexcept(sign_extend(u, 3) == ((i & 4) ? -4 + (i & 3) : (i & 3)));
+                assert_noexcept(sign_extend32(u, 3) == ((i & 4) ? -4 + (i & 3) : (i & 3)));
-                assert_noexcept(sign_extend(u, 4) == ((i & 8) ? -8 + (i & 7) : (i & 7)));
+                assert_noexcept(sign_extend32(u, 4) == ((i & 8) ? -8 + (i & 7) : (i & 7)));
-                assert_noexcept(sign_extend(u, 5) == ((i & 16) ? -16 + (i & 15) : (i & 15)));
+                assert_noexcept(sign_extend32(u, 5) == ((i & 16) ? -16 + (i & 15) : (i & 15)));
-                assert_noexcept(sign_extend(u, 6) == ((i & 32) ? -32 + (i & 31) : (i & 31)));
+                assert_noexcept(sign_extend32(u, 6) == ((i & 32) ? -32 + (i & 31) : (i & 31)));
-                assert_noexcept(sign_extend(u, 7) == ((i & 64) ? -64 + (i & 63) : (i & 63)));
+                assert_noexcept(sign_extend32(u, 7) == ((i & 64) ? -64 + (i & 63) : (i & 63)));
-                assert_noexcept(sign_extend(u, 8) == ((i & 128) ? -128 + (i & 127) : (i & 127)));
+                assert_noexcept(sign_extend32(u, 8) == ((i & 128) ? -128 + (i & 127) : (i & 127)));
-                assert_noexcept(sign_extend(u, 32) == i);
+                assert_noexcept(sign_extend32(u, 9) == i);
-                assert_noexcept(sign_extend(0u - u, 32) == -i);
+                assert_noexcept(sign_extend32(u, 32) == i);
+                assert_noexcept(sign_extend32(0u - u, 32) == -i);
             }
             {
                 const upx_uint64_t u = i;
-                assert_noexcept(sign_extend(u, 1) == ((i & 1) ? -1 : 0));
+                assert_noexcept(sign_extend64(u, 1) == ((i & 1) ? -1 : 0));
-                assert_noexcept(sign_extend(u, 2) == ((i & 2) ? -2 + (i & 1) : (i & 1)));
+                assert_noexcept(sign_extend64(u, 2) == ((i & 2) ? -2 + (i & 1) : (i & 1)));
-                assert_noexcept(sign_extend(u, 3) == ((i & 4) ? -4 + (i & 3) : (i & 3)));
+                assert_noexcept(sign_extend64(u, 3) == ((i & 4) ? -4 + (i & 3) : (i & 3)));
-                assert_noexcept(sign_extend(u, 4) == ((i & 8) ? -8 + (i & 7) : (i & 7)));
+                assert_noexcept(sign_extend64(u, 4) == ((i & 8) ? -8 + (i & 7) : (i & 7)));
-                assert_noexcept(sign_extend(u, 5) == ((i & 16) ? -16 + (i & 15) : (i & 15)));
+                assert_noexcept(sign_extend64(u, 5) == ((i & 16) ? -16 + (i & 15) : (i & 15)));
-                assert_noexcept(sign_extend(u, 6) == ((i & 32) ? -32 + (i & 31) : (i & 31)));
+                assert_noexcept(sign_extend64(u, 6) == ((i & 32) ? -32 + (i & 31) : (i & 31)));
-                assert_noexcept(sign_extend(u, 7) == ((i & 64) ? -64 + (i & 63) : (i & 63)));
+                assert_noexcept(sign_extend64(u, 7) == ((i & 64) ? -64 + (i & 63) : (i & 63)));
-                assert_noexcept(sign_extend(u, 8) == ((i & 128) ? -128 + (i & 127) : (i & 127)));
+                assert_noexcept(sign_extend64(u, 8) == ((i & 128) ? -128 + (i & 127) : (i & 127)));
-                assert_noexcept(sign_extend(u, 64) == i);
+                assert_noexcept(sign_extend64(u, 9) == i);
-                assert_noexcept(sign_extend(upx_uint64_t(0) - u, 64) == -i);
+                assert_noexcept(sign_extend64(u, 32) == i);
+                assert_noexcept(sign_extend64(upx_uint64_t(0) - u, 32) == -i);
+                assert_noexcept(sign_extend64(u, 64) == i);
+                assert_noexcept(sign_extend64(upx_uint64_t(0) - u, 64) == -i);
             }
         }
     }
@@ -1288,6 +1292,9 @@ void upx_compiler_sanity_check(void) noexcept {
     assert_noexcept(testNoAliasing(&u.v_int, &u.v_llong));
     assert_noexcept(testNoAliasing(&u.v_long, &u.v_llong));
 
+#if 1 && (ACC_CC_MSC) && (defined(_M_ARM64) || defined(_M_ARM64EC))
+    // @COMPILER_BUG @MSVC_BUG
+#else
     assert_noexcept(TestIntegerWrap<unsigned>::inc_gt(0));
     assert_noexcept(!TestIntegerWrap<unsigned>::inc_gt(UINT_MAX));
     assert_noexcept(TestIntegerWrap<unsigned>::dec_lt(1));
@@ -1304,6 +1311,7 @@ void upx_compiler_sanity_check(void) noexcept {
     assert_noexcept(!TestIntegerWrap<int>::neg_eq(1));
     assert_noexcept(!TestIntegerWrap<int>::neg_eq(INT_MAX));
     assert_noexcept(TestIntegerWrap<int>::neg_eq(INT_MIN)); // special case
+#endif
 }
 
 /*************************************************************************
@@ -1459,7 +1467,8 @@ TEST_CASE("libc qsort") {
             return true;
         }
     };
-    constexpr size_t N = 4096;
+
+    constexpr size_t N = 256;
     Elem e[N];
     for (size_t n = 0; n <= N; n = 2 * n + 1) {
         // system sort functions

src/check/dt_cxxlib.cpp

@@ -558,7 +558,8 @@ TEST_CASE("upx::ObjectDeleter 1") {
     LE32 *a = nullptr; // array
     LE64 *m = nullptr; // malloc
     {
-        auto o_deleter = upx::ObjectDeleter(&o, 1);
+        // auto o_deleter = upx::ObjectDeleter(&o, 1);
+        upx::ObjectDeleter<LE16> o_deleter = upx::ObjectDeleter(&o, 1);
         o = new LE16;
         assert(o != nullptr);
         auto a_deleter = upx::ArrayDeleter(&a, 1);
@@ -594,7 +595,8 @@ TEST_CASE("upx::ObjectDeleter 2") {
     BE32 *a[N]; // multiple arrays
     BE64 *m[N]; // multiple mallocs
     {
-        auto o_deleter = upx::ObjectDeleter(o, 0);
+        // auto o_deleter = upx::ObjectDeleter(o, 0);
+        upx::ObjectDeleter<BE16> o_deleter = upx::ObjectDeleter(o, 0);
         auto a_deleter = upx::ArrayDeleter(a, 0);
         auto m_deleter = upx::MallocDeleter(m, 0);
         for (size_t i = 0; i < N; i++) {
@@ -768,7 +770,7 @@ static_assert(sizeof(TestCT) == 8);
 static_assert(alignof(TestCT) == 1);
 } // namespace
 
-TEST_CASE("upx::compile_time") {
+TEST_CASE("upx::compile_time 1") {
     constexpr upx_uint16_t v16 = 0x0201;
     constexpr upx_uint32_t v24 = 0x030201;
     constexpr upx_uint32_t v32 = 0x04030201;
@@ -865,7 +867,7 @@ TEST_CASE("upx::compile_time") {
         constexpr auto le64 = TestCT::makeLE64(v64);
         static_assert(upx::compile_time::get_le64(le64.d) == v64);
         static_assert(mem_eq(le64.d, "\x01\x02\x03\x04\x05\x06\x07\x08", 8));
-        memset(buf, 0, 8);
+        upx::compile_time::mem_clear(buf, 8);
         TestCT::noinline_set_le64(buf, v64);
         assert_noexcept(TestCT::noinline_get_le64(buf) == v64);
         assert_noexcept(upx::compile_time::get_le64(buf) == v64);
@@ -886,7 +888,7 @@ TEST_CASE("upx::compile_time") {
     }
 }
 
-TEST_CASE("upx::compile_time") {
+TEST_CASE("upx::compile_time 2") {
     constexpr upx_uint16_t v16 = 0xf2f1;
     constexpr upx_uint32_t v24 = 0xf3f2f1;
     constexpr upx_uint32_t v32 = 0xf4f3f2f1;

src/check/dt_impl.cpp

@@ -68,7 +68,9 @@
 #endif
 #endif
 
+// NOLINTBEGIN(bugprone-unintended-char-ostream-output)
 #include <doctest/doctest/parts/doctest.cpp>
+// NOLINTEND(bugprone-unintended-char-ostream-output)
 
 #endif // DOCTEST_CONFIG_DISABLE
 

src/check/dt_xspan.cpp

@@ -101,9 +101,6 @@ TEST_CASE("basic xspan usage") {
         CHECK(b0.raw_size_in_bytes() == 0u);
         CHECK(bp.raw_size_in_bytes() == 0u);
 #endif
-        CHECK(raw_bytes(b0, 999999) == buf);
-        CHECK(raw_bytes(bp, 999999) == buf);
-
         CHECK(raw_bytes(c0, 4) == buf);
         CHECK(raw_index_bytes(c0, 1, 3) == buf + 1);
         CHECK(raw_bytes(cp, 4) == buf);
@@ -180,9 +177,6 @@ TEST_CASE("basic xspan usage") {
         CHECK(b0.raw_size_in_bytes() == 0u);
         CHECK(bp.raw_size_in_bytes() == 0u);
 #endif
-        CHECK(raw_bytes(b0, 999999) == buf);
-        CHECK(raw_bytes(bp, 999999) == buf);
-
         CHECK(raw_bytes(c0, 4) == buf);
         CHECK(raw_index_bytes(c0, 1, 3) == buf + 1);
         CHECK(raw_bytes(cp, 4) == buf);
@@ -876,6 +870,195 @@ TEST_CASE("PtrOrSpan int") {
     CHECK(a == buf + 8);
 }
 
+/*************************************************************************
+//
+**************************************************************************/
+
+#ifdef UPX_VERSION_HEX
+
+namespace {
+template <class T>
+static noinline void check_bele_a(const T &mb, size_t i) {
+    if (i < 2) {
+        CHECK_THROWS(get_ne16(mb));
+        CHECK_THROWS(get_be16(mb));
+        CHECK_THROWS(get_le16(mb));
+        CHECK_THROWS(set_ne16(mb, 0));
+        CHECK_THROWS(set_be16(mb, 0));
+        CHECK_THROWS(set_le16(mb, 0));
+    } else {
+        CHECK_NOTHROW(get_ne16(mb));
+        CHECK_NOTHROW(get_be16(mb));
+        CHECK_NOTHROW(get_le16(mb));
+        CHECK_NOTHROW(set_ne16(mb, 0));
+        CHECK_NOTHROW(set_be16(mb, 0));
+        CHECK_NOTHROW(set_le16(mb, 0));
+    }
+    if (i < 3) {
+        CHECK_THROWS(get_ne24(mb));
+        CHECK_THROWS(get_be24(mb));
+        CHECK_THROWS(get_le24(mb));
+        CHECK_THROWS(set_ne24(mb, 0));
+        CHECK_THROWS(set_be24(mb, 0));
+        CHECK_THROWS(set_le24(mb, 0));
+    } else {
+        CHECK_NOTHROW(get_ne24(mb));
+        CHECK_NOTHROW(get_be24(mb));
+        CHECK_NOTHROW(get_le24(mb));
+        CHECK_NOTHROW(set_ne24(mb, 0));
+        CHECK_NOTHROW(set_be24(mb, 0));
+        CHECK_NOTHROW(set_le24(mb, 0));
+    }
+    if (i < 4) {
+        CHECK_THROWS(get_ne32(mb));
+        CHECK_THROWS(get_be32(mb));
+        CHECK_THROWS(get_le32(mb));
+        CHECK_THROWS(set_ne32(mb, 0));
+        CHECK_THROWS(set_be32(mb, 0));
+        CHECK_THROWS(set_le32(mb, 0));
+    } else {
+        CHECK_NOTHROW(get_ne32(mb));
+        CHECK_NOTHROW(get_be32(mb));
+        CHECK_NOTHROW(get_le32(mb));
+        CHECK_NOTHROW(set_ne32(mb, 0));
+        CHECK_NOTHROW(set_be32(mb, 0));
+        CHECK_NOTHROW(set_le32(mb, 0));
+    }
+    if (i < 8) {
+        CHECK_THROWS(get_ne64(mb));
+        CHECK_THROWS(get_be64(mb));
+        CHECK_THROWS(get_le64(mb));
+        CHECK_THROWS(set_ne64(mb, 0));
+        CHECK_THROWS(set_be64(mb, 0));
+        CHECK_THROWS(set_le64(mb, 0));
+    } else {
+        CHECK_NOTHROW(get_ne64(mb));
+        CHECK_NOTHROW(get_be64(mb));
+        CHECK_NOTHROW(get_le64(mb));
+        CHECK_NOTHROW(set_ne64(mb, 0));
+        CHECK_NOTHROW(set_be64(mb, 0));
+        CHECK_NOTHROW(set_le64(mb, 0));
+    }
+}
+template <class T>
+static noinline void check_bele_c(const T &mb, size_t i) {
+    if (i < 2) {
+        CHECK_THROWS(get_ne16(mb));
+        CHECK_THROWS(get_be16(mb));
+        CHECK_THROWS(get_le16(mb));
+    } else {
+        CHECK_NOTHROW(get_ne16(mb));
+        CHECK_NOTHROW(get_be16(mb));
+        CHECK_NOTHROW(get_le16(mb));
+    }
+    if (i < 3) {
+        CHECK_THROWS(get_ne24(mb));
+        CHECK_THROWS(get_be24(mb));
+        CHECK_THROWS(get_le24(mb));
+    } else {
+        CHECK_NOTHROW(get_ne24(mb));
+        CHECK_NOTHROW(get_be24(mb));
+        CHECK_NOTHROW(get_le24(mb));
+    }
+    if (i < 4) {
+        CHECK_THROWS(get_ne32(mb));
+        CHECK_THROWS(get_be32(mb));
+        CHECK_THROWS(get_le32(mb));
+    } else {
+        CHECK_NOTHROW(get_ne32(mb));
+        CHECK_NOTHROW(get_be32(mb));
+        CHECK_NOTHROW(get_le32(mb));
+    }
+    if (i < 8) {
+        CHECK_THROWS(get_ne64(mb));
+        CHECK_THROWS(get_be64(mb));
+        CHECK_THROWS(get_le64(mb));
+    } else {
+        CHECK_NOTHROW(get_ne64(mb));
+        CHECK_NOTHROW(get_be64(mb));
+        CHECK_NOTHROW(get_le64(mb));
+    }
+}
+} // namespace
+
+#endif // UPX_VERSION_HEX
+
+TEST_CASE("xspan global overloads") {
+    byte buf_a[16] = {};
+    const byte buf_c[16] = {};
+
+    for (size_t i = 0; i < 16; i++) {
+        XSPAN_0_VAR(byte, a0, buf_a, i);
+        XSPAN_P_VAR(byte, ap, buf_a, i);
+        XSPAN_S_VAR(byte, as, buf_a, i);
+
+        XSPAN_0_VAR(const byte, c0, buf_c, i);
+        XSPAN_P_VAR(const byte, cp, buf_c, i);
+        XSPAN_S_VAR(const byte, cs, buf_c, i);
+
+#ifdef UPX_VERSION_HEX
+        check_bele_a(a0, i);
+        check_bele_a(ap, i);
+        check_bele_a(as, i);
+
+        check_bele_c(c0, i);
+        check_bele_c(cp, i);
+        check_bele_c(cs, i);
+
+        CHECK_THROWS(upx_adler32(a0, i + 1));
+        CHECK_THROWS(upx_adler32(ap, i + 1));
+        CHECK_THROWS(upx_adler32(as, i + 1));
+        CHECK_THROWS(upx_adler32(c0, i + 1));
+        CHECK_THROWS(upx_adler32(cp, i + 1));
+        CHECK_THROWS(upx_adler32(cs, i + 1));
+
+        if (i == 0) {
+            CHECK_THROWS(upx_safe_strlen(a0));
+            CHECK_THROWS(upx_safe_strlen(ap));
+            CHECK_THROWS(upx_safe_strlen(as));
+            CHECK_THROWS(upx_safe_strlen(c0));
+            CHECK_THROWS(upx_safe_strlen(cp));
+            CHECK_THROWS(upx_safe_strlen(cs));
+        }
+#endif
+
+        CHECK_THROWS(memchr(a0, 0, i + 1)); // NOLINT(bugprone-unused-return-value)
+        CHECK_THROWS(memchr(ap, 0, i + 1)); // NOLINT(bugprone-unused-return-value)
+        CHECK_THROWS(memchr(as, 0, i + 1)); // NOLINT(bugprone-unused-return-value)
+        CHECK_THROWS(memchr(c0, 0, i + 1)); // NOLINT(bugprone-unused-return-value)
+        CHECK_THROWS(memchr(cp, 0, i + 1)); // NOLINT(bugprone-unused-return-value)
+        CHECK_THROWS(memchr(cs, 0, i + 1)); // NOLINT(bugprone-unused-return-value)
+
+        CHECK(memcmp(a0, a0, i) == 0);
+        CHECK(memcmp(ap, a0, i) == 0);
+        CHECK(memcmp(as, a0, i) == 0);
+        CHECK_THROWS(memcmp(a0, a0, i + 1)); // NOLINT(bugprone-unused-return-value)
+        CHECK_THROWS(memcmp(ap, a0, i + 1)); // NOLINT(bugprone-unused-return-value)
+        CHECK_THROWS(memcmp(as, a0, i + 1)); // NOLINT(bugprone-unused-return-value)
+
+        CHECK_NOTHROW(memcpy(a0, c0, i));
+        CHECK_NOTHROW(memcpy(ap, cp, i));
+        CHECK_NOTHROW(memcpy(as, cs, i));
+        CHECK_THROWS(memcpy(a0, c0, i + 1));
+        CHECK_THROWS(memcpy(ap, cp, i + 1));
+        CHECK_THROWS(memcpy(as, cs, i + 1));
+
+        CHECK_NOTHROW(memmove(a0, c0, i));
+        CHECK_NOTHROW(memmove(ap, cp, i));
+        CHECK_NOTHROW(memmove(as, cs, i));
+        CHECK_THROWS(memmove(a0, c0, i + 1));
+        CHECK_THROWS(memmove(ap, cp, i + 1));
+        CHECK_THROWS(memmove(as, cs, i + 1));
+
+        CHECK_NOTHROW(memset(a0, 255, i));
+        CHECK_NOTHROW(memset(ap, 255, i));
+        CHECK_NOTHROW(memset(as, 255, i));
+        CHECK_THROWS(memset(a0, 254, i + 1));
+        CHECK_THROWS(memset(ap, 254, i + 1));
+        CHECK_THROWS(memset(as, 254, i + 1));
+    }
+}
+
 /*************************************************************************
 // codegen
 **************************************************************************/

src/compress/compress_ucl.cpp

@@ -248,8 +248,9 @@ static void __UCL_CDECL my_free(ucl_voidp p) { free(p); }
 } // extern "C"
 
 int upx_ucl_init(void) {
-#if (ACC_CC_MSC && ACC_ARCH_I386) && (_MSC_VER >= 1940)
+#if 1 && (ACC_CC_MSC && ACC_ARCH_I386) && (_MSC_VER >= 1940)
-    (void) ucl_init(); // TODO later
+    // @COMPILER_BUG @MSVC_BUG
+    (void) ucl_init();
 #else
     if (ucl_init() != UCL_E_OK)
         return -1;

src/conf.h

@@ -71,6 +71,10 @@ static_assert((-1) >> 31 == -1);               // arithmetic right shift
 static_assert(CHAR_MAX == 255);                // -funsigned-char
 static_assert((char) (-1) == 255);             // -funsigned-char
 
+// disable some more strict warnings
+#if defined(__clang__) && __has_warning("-Wunnecessary-virtual-specifier")
+#pragma clang diagnostic ignored "-Wunnecessary-virtual-specifier"
+#endif
 // enable some more strict warnings for Git developer builds
 #if defined(UPX_CONFIG_DISABLE_WSTRICT) && (UPX_CONFIG_DISABLE_WSTRICT + 0 == 0)
 #if defined(UPX_CONFIG_DISABLE_WERROR) && (UPX_CONFIG_DISABLE_WERROR + 0 == 0)
@@ -96,6 +100,7 @@ static_assert((char) (-1) == 255);             // -funsigned-char
 #endif // UPX_CONFIG_DISABLE_WERROR
 #endif // UPX_CONFIG_DISABLE_WSTRICT
 
+// upx_is_constant_evaluated
 #if __cplusplus >= 202002L // C++20
 #define upx_is_constant_evaluated std::is_constant_evaluated
 #elif __has_builtin(__builtin_is_constant_evaluated) // clang-9, gcc-10
@@ -115,7 +120,7 @@ static_assert((char) (-1) == 255);             // -funsigned-char
 #define upx_std_atomic(Type) Type
 #define upx_std_once_flag    upx_std_atomic(size_t)
 template <class NoexceptCallable>
-inline void upx_std_call_once(upx_std_once_flag &flag, NoexceptCallable &&f) {
+inline void upx_std_call_once(upx_std_once_flag &flag, NoexceptCallable &&f) noexcept {
     if (__acc_unlikely(!flag)) {
         flag = 1;
         f();
@@ -137,7 +142,7 @@ inline constexpr bool upx_is_integral_v = upx_is_integral<T>::value;
 #define upx_fake_alignas_16   __attribute__((__aligned__(2))) // object file maximum 2 ???
 #define upx_fake_alignas__(x) upx_fake_alignas_##x
 #define alignas(x)            upx_fake_alignas__(x)
-#define upx_alignas_max       upx_fake_alignas_4
+#define upx_alignas_max       upx_fake_alignas_2
 #endif
 #ifndef upx_alignas_max
 #define upx_alignas_max alignas(std::max_align_t)
@@ -193,11 +198,7 @@ struct alignas(1) upx_charptr_unit_type final { char hidden__; };
 static_assert(sizeof(upx_charptr_unit_type) == 1);
 
 // using the system off_t was a bad idea even back in 199x...
-#if (__SIZEOF_INT128__ == 16) && 0
-typedef upx_int128_t upx_off_t;
-#else
 typedef long long upx_off_t;
-#endif
 #undef off_t
 #if 0
 // TODO later cleanup: at some future point we can do this:
@@ -230,7 +231,7 @@ typedef long long upx_off_t;
 #define very_likely           __acc_very_likely
 #define very_unlikely         __acc_very_unlikely
 
-// cosmetic: explicitly annotate some functions which may throw exceptions
+// cosmetic: explicitly annotate some functions which may throw exceptions;
 //   note that noexcept(false) is the default for all C++ functions anyway
 #define may_throw noexcept(false)
 
@@ -376,6 +377,7 @@ inline void NO_printf(const char *, ...) noexcept {}
 inline void NO_fprintf(FILE *, const char *, ...) noexcept attribute_format(2, 3);
 inline void NO_fprintf(FILE *, const char *, ...) noexcept {}
 
+// upx_memcmp_inline
 #if __has_builtin(__builtin_memcmp)
 #define upx_memcmp_inline __builtin_memcmp
 #elif defined(__clang__) || defined(__GNUC__)
@@ -383,6 +385,8 @@ inline void NO_fprintf(FILE *, const char *, ...) noexcept {}
 #else
 #define upx_memcmp_inline memcmp
 #endif
+
+// upx_memcpy_inline
 #if __has_builtin(__builtin_memcpy_inline) && 0 // TODO later: clang constexpr limitation?
 #define upx_memcpy_inline __builtin_memcpy_inline
 #elif __has_builtin(__builtin_memcpy)
@@ -393,6 +397,7 @@ inline void NO_fprintf(FILE *, const char *, ...) noexcept {}
 #define upx_memcpy_inline memcpy
 #endif
 
+// upx_return_address()
 #if defined(__wasi__)
 #define upx_return_address() nullptr
 #elif __has_builtin(__builtin_return_address)
@@ -802,14 +807,15 @@ int upx_doctest_check();
 // util/membuffer.h
 class MemBuffer;
 void *membuffer_get_void_ptr(MemBuffer &mb) noexcept;
-unsigned membuffer_get_size(MemBuffer &mb) noexcept;
+const void *membuffer_get_void_ptr(const MemBuffer &mb) noexcept;
+unsigned membuffer_get_size_in_bytes(const MemBuffer &mb) noexcept;
 
 // main.cpp
 extern const char *progname;
 bool main_set_exit_code(int ec);
 int main_get_options(int argc, char **argv);
 void main_get_envoptions();
-int upx_main(int argc, char *argv[]) may_throw;
+noinline int upx_main(int argc, char *argv[]) may_throw;
 
 // msg.cpp
 void printSetNl(int need_nl) noexcept;
@@ -826,8 +832,8 @@ void infoHeader();
 void infoWriting(const char *what, upx_int64_t size);
 
 // work.cpp
-void do_one_file(const char *iname, char *oname) may_throw;
+noinline void do_one_file(const char *iname, char *oname) may_throw;
-int do_files(int i, int argc, char *argv[]) may_throw;
+noinline int do_files(int i, int argc, char *argv[]) may_throw;
 
 // help.cpp
 extern const char gitrev[];

src/except.h

@@ -200,15 +200,15 @@ noreturn void throwEOFException(const char *msg = nullptr, int e = 0) may_throw;
 // some C++ template wizardry is needed to overload throwCantPack() for varargs
 template <class T>
 void throwCantPack(const T *, ...) DELETED_FUNCTION;
-template <>
-noreturn void throwCantPack(const char *format, ...) may_throw attribute_format(1, 2);
 template <class T>
 void throwCantUnpack(const T *, ...) DELETED_FUNCTION;
-template <>
-noreturn void throwCantUnpack(const char *format, ...) may_throw attribute_format(1, 2);
 template <class T>
 void throwInternalError(const T *, ...) DELETED_FUNCTION;
 template <>
+noreturn void throwCantPack(const char *format, ...) may_throw attribute_format(1, 2);
+template <>
+noreturn void throwCantUnpack(const char *format, ...) may_throw attribute_format(1, 2);
+template <>
 noreturn void throwInternalError(const char *format, ...) may_throw attribute_format(1, 2);
 
 /* vim:set ts=4 sw=4 et: */

src/help.cpp

@@ -49,7 +49,7 @@ const char gitrev[] = UPX_VERSION_GITREV;
 const char gitrev[1] = {0};
 #endif
 
-void show_header(void) {
+void show_header() {
     FILE *f = con_term;
     int fg;
 
@@ -85,7 +85,7 @@ void show_header(void) {
 // usage
 **************************************************************************/
 
-void show_usage(void) {
+void show_usage() {
     FILE *f = con_term;
 
     con_fprintf(f, "Usage: %s [-123456789dlthVL] [-qvfk] [-o file] %sfile..\n", progname,
@@ -342,6 +342,7 @@ void show_help(int verbose) {
         fg = con_fg(f, fg);
         con_fprintf(f,
                     "  --preserve-build-id     copy .gnu.note.build-id to compressed output\n"
+                    "  --catch-sigsegv         debug errors in hardware or de-compressor\n"
                     "\n");
     }
     // clang-format on
@@ -380,7 +381,7 @@ void show_help(int verbose) {
 // license
 **************************************************************************/
 
-void show_license(void) {
+void show_license() {
     FILE *f = con_term;
 
     show_header();

src/linker.cpp

@@ -367,6 +367,8 @@ int ElfLinker::addLoader(const char *sname) {
         return outputlen;
 
     char *begin = strdup(sname);
+    assert(begin != nullptr);
+    const auto begin_deleter = upx::MallocDeleter(&begin, 1); // don't leak memory
     char *end = begin + strlen(begin);
     for (char *sect = begin; sect < end;) {
         for (char *tokend = sect; *tokend; tokend++)
@@ -418,7 +420,6 @@ int ElfLinker::addLoader(const char *sname) {
         }
         sect += strlen(sect) + 1;
     }
-    ::free(begin);
     return outputlen;
 }
 

src/linker.h

@@ -35,7 +35,7 @@ class ElfLinker /*not_final*/ : private upx::noncopyable {
     friend class Packer;
 
 public:
-    const N_BELE_RTP::AbstractPolicy *const bele; // target endianness
+    const N_BELE_RTP::AbstractPolicy *const bele; // TE - Target Endianness
 protected:
     struct Section;
     struct Symbol;

src/main.cpp

@@ -67,12 +67,9 @@ static void handle_opterr(acc_getopt_p g, const char *f, void *v) {
 static int exit_code = EXIT_OK;
 
 #if (WITH_GUI)
-static noinline void do_exit(void) { throw exit_code; }
+static noreturn void do_exit() { throw exit_code; }
 #else
-#if defined(__GNUC__)
+static noreturn void do_exit() {
-static void do_exit(void) __attribute__((__noreturn__));
-#endif
-static void do_exit(void) {
     static bool in_exit = false;
 
     if (in_exit)
@@ -115,7 +112,7 @@ static noinline void e_exit(int ec) {
     do_exit();
 }
 
-static noinline void e_usage(void) {
+static noinline void e_usage() {
     if (opt->debug.getopt_throw_instead_of_exit)
         throw EXIT_USAGE;
     show_usage();
@@ -217,7 +214,7 @@ static void check_and_update_options(int i, int argc) {
 // misc
 **************************************************************************/
 
-static void e_help(void) {
+static void e_help() {
     show_help(0);
     e_exit(EXIT_USAGE);
 }
@@ -742,6 +739,9 @@ static int do_option(int optc, const char *arg) {
     case 678:
         opt->o_unix.android_old = true;
         break;
+    case 679:
+        opt->o_unix.catch_sigsegv = true;
+        break;
     // ps1/exe
     case 670:
         opt->ps1_exe.boot_only = true;
@@ -957,6 +957,7 @@ int main_get_options(int argc, char **argv) {
         {"android-shlib", 0, N, 676},
         {"force-pie", 0x90, N, 677},
         {"android-old", 0, N, 678},
+        {"catch-sigsegv", 0, N, 679},
         // ps1/exe
         {"boot-only", 0x90, N, 670},
         {"no-align", 0x90, N, 671},

src/options.h

@@ -162,6 +162,7 @@ struct Options final {
         bool android_shlib;     // keep some ElfXX_Shdr for dlopen()
         bool android_old;       // < Android_10 ==> no memfd_create, inconsistent __NR_ftruncate
         bool force_pie;         // choose DF_1_PIE instead of is_shlib
+        bool catch_sigsegv;     // to debug hardware or de-compressor
     } o_unix;
     struct {
         bool boot_only;

src/p_elf_enum.h

@@ -108,7 +108,8 @@ class Dummy {
         /* Register usage information. */ //
         //      PT_MIPS_RTPROC =   0x70000001, /* Runtime procedure table. */
         //      PT_MIPS_OPTIONS =  0x70000002,
-        PT_MIPS_ABIFLAGS = 0x70000003, /* FP mode requirement. */
+        PT_ARM_EXIDX = (0x70000000 + 1), /* ARM unwind segment.  */
+        PT_MIPS_ABIFLAGS = 0x70000003,   /* FP mode requirement. */
     };
 
     enum {        // p_flags
@@ -148,6 +149,7 @@ class Dummy {
 
         SHT_LOOS = 0x60000000,                 /* LOcal OS; SHT_ANDROID_REL{,A} is +1, +2 */
         SHT_LOPROC = 0x70000000,               /* Start of processor-specific */
+        SHT_ARM_EXIDX = (SHT_LOPROC + 1),      /* ARM unwind section.  */
         SHT_ARM_ATTRIBUTES = (SHT_LOPROC + 3), /* ARM attributes section.  */
     };
 

src/p_lx_elf.cpp

@@ -487,17 +487,17 @@ PackLinuxElf32::slide_sh_offset(Elf32_Shdr *shdr)
 {
     unsigned sh_offset = get_te32(&shdr->sh_offset);
     unsigned sh_addr   = get_te32(&shdr->sh_addr);
+    char const *sh_name = get_te32(&shdr->sh_name) + shstrtab;
+    (void)sh_name;  // convenience for debug
     if (Elf32_Shdr::SHF_WRITE & get_te32(&shdr->sh_flags)
       || (sh_offset && !sh_addr))
     {
         unsigned newoff = so_slide + sh_offset + (is_asl ? asl_delta : 0);
-        if ((unsigned)this->file_size < newoff) {
+        if (sh_addr  // only check "real memory"
+        &&  (unsigned)this->file_size < newoff) {
             throwInternalError("bad slide %p %#x", shdr, (unsigned)so_slide);
         }
         set_te32(&shdr->sh_offset, newoff);
-        if (sh_addr) // change only if non-zero
-            set_te32(&shdr->sh_addr,
-                so_slide + sh_addr + (is_asl ? asl_delta : 0));
         return newoff;
     }
     return sh_offset;
@@ -520,17 +520,17 @@ PackLinuxElf64::slide_sh_offset(Elf64_Shdr *shdr)
 {
     unsigned sh_offset = get_te64(&shdr->sh_offset);
     unsigned sh_addr   = get_te64(&shdr->sh_addr);
+    char const *sh_name = get_te32(&shdr->sh_name) + shstrtab;
+    (void)sh_name;  // convenience for debug
     if (Elf64_Shdr::SHF_WRITE & get_te64(&shdr->sh_flags)
       || (sh_offset && !sh_addr))
     {
         unsigned newoff = so_slide + sh_offset + (is_asl ? asl_delta : 0);
-        if ((unsigned)this->file_size < newoff) {
+        if (sh_addr  // only check "real memory"
+        &&  (unsigned)this->file_size < newoff) {
             throwInternalError("bad slide %p %#x", shdr, (unsigned)so_slide);
         }
         set_te64(&shdr->sh_offset, newoff);
-        if (sh_addr) // change only if non-zero
-            set_te64(&shdr->sh_addr,
-                so_slide + sh_addr + (is_asl ? asl_delta : 0));
         return newoff;
     }
     return sh_offset;
@@ -641,25 +641,18 @@ off_t PackLinuxElf32::pack3(OutputFile *fo, Filter &ft)
 
         Elf32_Phdr *const phdr0 = (Elf32_Phdr *)lowmem.subref(
                 "bad e_phoff", e_phoff, e_phnum * sizeof(Elf32_Phdr));
-        Elf32_Phdr *phdr = phdr0;
+        Elf32_Phdr *phdr = phdr0, *outp = phdr0;
         upx_off_t off = fo->st_size();  // 64 bits
         so_slide = 0;
         for (unsigned j = 0; j < e_phnum; ++j, ++phdr) {
             // p_vaddr and p_paddr do not change!
-            unsigned const len  = get_te32(&phdr->p_filesz);
             unsigned const ioff = get_te32(&phdri[j].p_offset);  // without asl_delta
             unsigned       align= get_te32(&phdr->p_align);
             unsigned const type = get_te32(&phdr->p_type);
-            if (Elf32_Phdr::PT_INTERP==type) {
+            unsigned const len  = get_te32(&phdr->p_filesz);
-                // Rotate to highest position, so it can be lopped
+            if (Elf32_Phdr::PT_INTERP==type
-                // by decrementing e_phnum.
+            ||  Elf32_Phdr::PT_ARM_EXIDX==type) {
-                memcpy((unsigned char *)ibuf, phdr, sizeof(*phdr));  // extract
+/* OMIT */      continue;  // OMIT: reference to compressed data
-                memmove(phdr, 1+phdr, (e_phnum - (1+ j))*sizeof(*phdr));  // overlapping
-                memcpy(&phdr[e_phnum - (1+ j)], (unsigned char *)ibuf, sizeof(*phdr));  // to top
-                --phdr; --e_phnum;
-                set_te16(&ehdri.e_phnum, e_phnum);
-                set_te16(&((Elf32_Ehdr *)(unsigned char *)lowmem)->e_phnum, e_phnum);
-                continue;
             }
             if (PT_LOAD == type) {
                 if (!ioff) { // first PT_LOAD must contain everything written so far
@@ -707,12 +700,21 @@ off_t PackLinuxElf32::pack3(OutputFile *fo, Filter &ft)
                         fo->seek(0, SEEK_END);
                     }
                 }
-                continue;  // all done with this PT_LOAD
             }
-            if (xct_off < ioff) {
+            else if (Elf32_Phdr::PT_DYNAMIC == type
-                set_te32(&phdr->p_offset, so_slide + (is_asl ? asl_delta : 0) + ioff);
+            ||       Elf32_Phdr::PT_GNU_RELRO == type) {
+                unsigned delta = so_slide + (is_asl ? asl_delta : 0);
+                             set_te32(&phdr->p_offset, delta + ioff);
+             // unsigned x = get_te32(&phdr->p_vaddr);
+             //              set_te32(&phdr->p_vaddr, delta + x);
+             // unsigned y = get_te32(&phdr->p_paddr);
+             //              set_te32(&phdr->p_paddr, delta + y);
             }
+            *outp++ = *phdr;  // propagate
         }  // end each Phdr
+        e_phnum = outp - phdr0;
+        set_te16(&ehdri.e_phnum, e_phnum);
+        set_te16(&((Elf32_Ehdr *)(unsigned char *)lowmem)->e_phnum, e_phnum);
 
         if (sec_arm_attr || is_asl) { // must update Shdr.sh_offset for so_slide
             Elf32_Shdr *shdr = shdri;
@@ -769,6 +771,7 @@ off_t PackLinuxElf32::pack3(OutputFile *fo, Filter &ft)
     return total_out;
 }
 
+// NYI 2025-12-10: should be updated from the Elf32::pack3 version
 off_t PackLinuxElf64::pack3(OutputFile *fo, Filter &ft)
 {
     if (!overlay_offset) {
@@ -835,7 +838,7 @@ off_t PackLinuxElf64::pack3(OutputFile *fo, Filter &ft)
 
         Elf64_Phdr *const phdr0 = (Elf64_Phdr *)lowmem.subref(
                 "bad e_phoff", e_phoff, e_phnum * sizeof(Elf64_Phdr));
-        Elf64_Phdr *phdr = phdr0;
+        Elf64_Phdr *phdr = phdr0, *outp = phdr0;
         upx_off_t off = fo->st_size();  // 64 bits
         so_slide = 0;
         for (unsigned j = 0; j < e_phnum; ++j, ++phdr) {
@@ -845,16 +848,9 @@ off_t PackLinuxElf64::pack3(OutputFile *fo, Filter &ft)
             u64_t       align= get_te64(&phdr->p_align);
             unsigned const type = get_te32(&phdr->p_type);
             if (Elf64_Phdr::PT_INTERP==type) {
-                // Rotate to highest position, so it can be lopped
+                continue;  // OMIT
-                // by decrementing e_phnum.
-                memcpy((unsigned char *)ibuf, phdr, sizeof(*phdr));  // extract
-                memmove(phdr, 1+phdr, (e_phnum - (1+ j))*sizeof(*phdr));  // overlapping
-                memcpy(&phdr[e_phnum - (1+ j)], (unsigned char *)ibuf, sizeof(*phdr));  // to top
-                --phdr; --e_phnum;
-                set_te16(&ehdri.e_phnum, e_phnum);
-                set_te16(&((Elf64_Ehdr *)(unsigned char *)lowmem)->e_phnum, e_phnum);
-                continue;
             }
+            *outp++ = *phdr;  // propagate
             if (PT_LOAD == type) {
                 if (!ioff) { // first PT_LOAD must contain everything written so far
                     set_te64(&phdr->p_filesz, sz_pack2 + lsize);  // is this correct?
@@ -903,6 +899,9 @@ off_t PackLinuxElf64::pack3(OutputFile *fo, Filter &ft)
                 set_te64(&phdr->p_offset, so_slide + (is_asl ? asl_delta : 0) + ioff);
             }
         }  // end each Phdr
+        e_phnum = outp - phdr0;
+        set_te16(&ehdri.e_phnum, e_phnum);
+        set_te16(&((Elf64_Ehdr *)(unsigned char *)lowmem)->e_phnum, e_phnum);
 
         if (sec_arm_attr || is_asl) { // must update Shdr.sh_offset for so_slide
             // Update {DYNAMIC}.sh_offset by so_slide.
@@ -1532,7 +1531,7 @@ PackLinuxElf32::buildLinuxLoader(
 //   EXP_TAIL  FIXME: unfilter
 //   SO_TAIL
 //   SO_MAIN  C-language supervision based on PT_LOADs
-        char sec[120]; memset(sec, 0, sizeof(sec));  // debug convenience
+        char sec[200]; memset(sec, 0, sizeof(sec));  // debug convenience
         int len = 0;
         unsigned m_decompr = methods_used | (1u << (0xFF & ph_forced_method(ph.method)));
         len += snprintf(sec, sizeof(sec), "%s", "SO_HEAD,ptr_NEXT,EXP_HEAD");
@@ -1584,7 +1583,7 @@ PackLinuxElf32::buildLinuxLoader(
          ||  this->e_machine==Elf32_Ehdr::EM_MIPS
          ) { // main program with ELF2 de-compressor (folded portion)
         initLoader(fold, szfold);
-        char sec[120]; memset(sec, 0, sizeof(sec));  // debug convenience
+        char sec[200]; memset(sec, 0, sizeof(sec));  // debug convenience
         int len = 0;
         unsigned m_decompr = methods_used | (1u << (0xFF & ph_forced_method(ph.method)));
         len += snprintf(sec, sizeof(sec), "%s", ".text,EXP_HEAD");
@@ -1681,7 +1680,11 @@ PackLinuxElf32::buildLinuxLoader(
           || this->e_machine==Elf32_Ehdr::EM_MIPS
       ) { // main program with ELF2 de-compressor
         addLoader("ELFMAINX");
-
+        if (this->e_machine==Elf32_Ehdr::EM_ARM) { // hardware is more problematic
+            if (opt->o_unix.catch_sigsegv && hasLoaderSection("ELFSIGSEGV"))
+                addLoader("ELFSIGSEGV");
+            addLoader("ELFMAINX2");
+        }
         // Only if $ARCH-linux.elf-entry.S calls upx_mmap_and_fd instead of memfd_create
         if (this->e_machine != Elf32_Ehdr::EM_PPC
         &&  this->e_machine != Elf32_Ehdr::EM_MIPS)
@@ -1700,6 +1703,8 @@ PackLinuxElf32::buildLinuxLoader(
     relocateLoader();
 }
 
+unsigned bb1;  // aid for possible debugging NRV/UCL
+
 void
 PackLinuxElf64::buildLinuxLoader(
     upx_byte const *const proto,
@@ -1729,7 +1734,7 @@ PackLinuxElf64::buildLinuxLoader(
 //   EXP_TAIL  FIXME: unfilter
 //   SO_TAIL
 //   SO_MAIN  C-language supervision based on PT_LOADs
-        char sec[120]; memset(sec, 0, sizeof(sec));  // debug convenience
+        char sec[200]; memset(sec, 0, sizeof(sec));  // debug convenience
         int len = 0;
         unsigned m_decompr = methods_used | (1u << (0xFF & ph_forced_method(ph.method)));
         len += snprintf(sec, sizeof(sec), "%s", "SO_HEAD,ptr_NEXT,EXP_HEAD");
@@ -1774,7 +1779,7 @@ PackLinuxElf64::buildLinuxLoader(
          ||  this->e_machine==Elf64_Ehdr::EM_PPC64
          ) { // main program with ELF2 de-compressor (folded portion)
         initLoader(fold, szfold);
-        char sec[120]; memset(sec, 0, sizeof(sec));  // debug convenience
+        char sec[200]; memset(sec, 0, sizeof(sec));  // debug convenience
         int len = 0;
         unsigned m_decompr = methods_used | (1u << (0xFF & ph_forced_method(ph.method)));
         len += snprintf(sec, sizeof(sec), "%s", ".text,EXP_HEAD");
@@ -1871,7 +1876,14 @@ PackLinuxElf64::buildLinuxLoader(
          ||  this->e_machine==Elf64_Ehdr::EM_AARCH64
          ||  this->e_machine==Elf64_Ehdr::EM_PPC64
         ) { // main program with ELF2 de-compressor
-        addLoader("ELFMAINX,ELFMAINZ,FOLDEXEC,IDENTSTR");
+        addLoader("ELFMAINX");
+        // NYI for PPC64 {
+        if (opt->o_unix.catch_sigsegv && hasLoaderSection("ELFSIGSEGV"))
+            addLoader("ELFSIGSEGV");
+        if (this->e_machine!=Elf64_Ehdr::EM_PPC64)
+            addLoader("ELFMAINX2");
+        // } end NYI for PPC64
+        addLoader("ELFMAINZ,FOLDEXEC,IDENTSTR");
         if (this->e_machine==Elf64_Ehdr::EM_PPC64
         &&  ehdri.e_ident[Elf64_Ehdr::EI_DATA]==Elf64_Ehdr::ELFDATA2MSB) {
             addLoader("ELFMAINZe");
@@ -2378,10 +2390,11 @@ PackLinuxElf32::invert_pt_dynamic(Elf32_Dyn const *dynp, u32_t headway)
         throwCantPack("bad DT_STRSZ %#x", strtab_max);
     }
 
-    // Find end of DT_SYMTAB
+    { // Find end of DT_SYMTAB
-    unsigned const tmp2 = elf_find_table_size(Elf32_Dyn::DT_SYMTAB,
+        unsigned const tmp2 = elf_find_table_size(Elf32_Dyn::DT_SYMTAB,
-        Elf32_Shdr::SHT_DYNSYM);
+            Elf32_Shdr::SHT_DYNSYM);
-    symnum_max = (~0u == tmp2) ? 0 : tmp1 / sizeof(Elf32_Sym);
+        symnum_max = (~0u == tmp2) ? 0 : tmp2 / sizeof(Elf32_Sym);
+    }
 
     unsigned v_sym = dt_table[Elf32_Dyn::DT_SYMTAB];
     if (v_sym) {
@@ -6093,6 +6106,8 @@ unsigned PackLinuxElf32::forward_Shdrs(OutputFile *fo, Elf32_Ehdr *const eho)
         // Keep _Shdr for SHF_WRITE.
         // Discard _Shdr with (0==sh_addr), except _Shdr[0]
         // Keep ARM_ATTRIBUTES
+        // Remove .ARM.extab(PROGBITS) and .ARM.exidx(SHT_ARM_EXIDX)
+        //   because they refer to compressed .text(PT_LOAD)
         unsigned const want_types_mask = 0
             | 1u<<SHT_PROGBITS  // see comment above, and special code below
             | 1u<<SHT_HASH
@@ -6167,30 +6182,14 @@ unsigned PackLinuxElf32::forward_Shdrs(OutputFile *fo, Elf32_Ehdr *const eho)
                 || (Elf32_Shdr::SHT_ARM_ATTRIBUTES == sh_type)
             ) {
                 *sh_out = *sh_in;  // *sh_in is a candidate for fowarding
-                if (sh_offset > xct_off) { // may slide down: earlier compression
-                    if (sh_offset >= xct_off_hi) { // easy: so_slide down
-                        if (Elf32_Shdr::SHT_ARM_ATTRIBUTES != sh_type) {
-                            slide_sh_offset(sh_out);
-                        }
-                    }
-                    else { // somewhere in compressed; try proportional (aligned)
-                        // But note that PROGBITS without SHF_ALLOC
-                        // will be dropped below.
-                        u32_t const slice = xct_off + (~0xFu & (unsigned)(
-                             (sh_offset - xct_off) *
-                            ((sh_offset - xct_off) / (float)(xct_off_hi - xct_off))));
-                        //set_te32(&sh_out->sh_addr,   slice);
-                        set_te32(&sh_out->sh_offset, slice);
-                    }
-                    u32_t const max_sz = total_out - get_te32(&sh_out->sh_offset);
-                    if (sh_size > max_sz) { // avoid complaint "extends beyond EOF"
-                        set_te32(&sh_out->sh_size, max_sz);
-                    }
-                }
                 if (j == e_shstrndx) { // changes Elf32_Ehdr itself
                     set_te16(&eho->e_shstrndx, sh_out -
                         (Elf32_Shdr *)mb_shdro.getVoidPtr());
                 }
+                if (Elf32_Shdr::SHT_ARM_EXIDX == sh_type
+                ||  0==strcmp(".ARM.extab", name)) {
+/* OMIT */          continue;  // OMIT: compressed contents
+                }
                 if (Elf32_Shdr::SHT_ARM_ATTRIBUTES == sh_type
                 ||  (SHT_NOTE == sh_type && xct_off < sh_offset)
                 ) { // append a copy
@@ -6204,7 +6203,7 @@ unsigned PackLinuxElf32::forward_Shdrs(OutputFile *fo, Elf32_Ehdr *const eho)
                     if (!(Elf32_Shdr::SHF_ALLOC & sh_flags)) {
                         // .debug_*, .gnu_debuglink etc.  Typically compressed
                         // but not in RAM, and gdb (BFD) gets confused.
-                        continue;  // OMIT the commit: do not forward
+/* OMIT */              continue;  // OMIT the commit: do not forward
                     } else
                     if (sh_offset <= xct_off
                     &&  0 == strcmp(".text", name) ) {
@@ -6219,9 +6218,31 @@ unsigned PackLinuxElf32::forward_Shdrs(OutputFile *fo, Elf32_Ehdr *const eho)
                         n_shstrsec = sh_out;
                     } else
                     if (strcmp(".dynstr",    name)) {
-                        continue;  // OMIT the commit of non-global symbol names
+/* OMIT */              continue;  // OMIT the commit of non-global symbol names
                     }
                 }
+                if (sh_offset > xct_off) { // may slide down: earlier compression
+                    if (sh_offset >= xct_off_hi) { // easy: so_slide down
+                        if (Elf32_Shdr::SHT_ARM_ATTRIBUTES != sh_type
+                     // &&  Elf32_Shdr::SHT_ARM_EXIDX      != sh_type
+                        ) {
+                            slide_sh_offset(sh_out);
+                        }
+                    }
+                    else { // somewhere in compressed; try proportional (aligned)
+                        // Note that PROGBITS without SHF_ALLOC is already omitted.
+                        u32_t const slice = xct_off + (~0xFu & (unsigned)(
+                             (sh_offset - xct_off) *
+                            ((sh_offset - xct_off) / (float)(xct_off_hi - xct_off))));
+                        //set_te32(&sh_out->sh_addr,   slice);
+                        set_te32(&sh_out->sh_offset, slice);
+                    }
+                    u32_t const max_sz = total_out - get_te32(&sh_out->sh_offset);
+                    if (sh_size > max_sz) { // avoid complaint "extends beyond EOF"
+                        set_te32(&sh_out->sh_size, max_sz);
+                    }
+                }
+                // Will be forwarded, but needs a name.
                 set_te32(&sh_out->sh_name, ptr_shstrings - (char *)mb_shstrings.getVoidPtr());
                 do { // stupid MSVC lacks stpcpy()
                     *ptr_shstrings++ = *name;
@@ -6267,6 +6288,7 @@ unsigned PackLinuxElf32::forward_Shdrs(OutputFile *fo, Elf32_Ehdr *const eho)
                 }
             }
         }
+        UNUSED(ptr);
 
         fo->seek(0, SEEK_SET);
         fo->rewrite(eho, sizeof(*eho));
@@ -6277,6 +6299,7 @@ unsigned PackLinuxElf32::forward_Shdrs(OutputFile *fo, Elf32_Ehdr *const eho)
     return penalty;
 }
 
+// NYI 2025-12-10: should be merged from Elf32::forward_Shdrs
 unsigned PackLinuxElf64::forward_Shdrs(OutputFile *fo, Elf64_Ehdr *const eho)
 {
     if (!fo) {
@@ -6288,7 +6311,9 @@ unsigned PackLinuxElf64::forward_Shdrs(OutputFile *fo, Elf64_Ehdr *const eho)
         // Keep _Shdr for rtld data (below xct_off).
         // Discard _Shdr for compressed regions, except ".text" for gdb.
         // Keep _Shdr with SHF_WRITE.
-        // Keep ARM_ATTRIBUTES
+        // Keep ARM_ATTRIBUTES.
+        // Remove .ARM.extab(PROGBITS) and .ARM.exidx(ARM_EXIDX)
+        //   because they refer to compressed .text.
         // Discard _Shdr with (0==sh_addr), except _Shdr[0]
         unsigned const want_types_mask =
               1u<<SHT_SYMTAB
@@ -6336,7 +6361,6 @@ unsigned PackLinuxElf64::forward_Shdrs(OutputFile *fo, Elf64_Ehdr *const eho)
 
         for (unsigned j = 1; j < e_shnum; ++j, ++sh_in) {
             char const *sh_name = &shstrtab[get_te32(&sh_in->sh_name)];
-            (void)sh_name;  // debugging
             unsigned sh_type = get_te32(&sh_in->sh_type);
             u64_t sh_flags   = get_te64(&sh_in->sh_flags);
             u64_t sh_addr    = get_te64(&sh_in->sh_addr);
@@ -6381,6 +6405,9 @@ unsigned PackLinuxElf64::forward_Shdrs(OutputFile *fo, Elf64_Ehdr *const eho)
                     set_te16(&eho->e_shstrndx, sh_out -
                         (Elf64_Shdr *)mb_shdro.getVoidPtr());
                 }
+                if (0==strcmp(".ARM.extab", sh_name)) {
+/* OMIT */          continue;  // OMIT: compressed contents
+                }
                 if (j == e_shstrndx
                 ||  sec_arm_attr == sh_in
                 ||  (SHT_NOTE == sh_type && xct_off < sh_offset)
@@ -8470,10 +8497,11 @@ PackLinuxElf64::invert_pt_dynamic(Elf64_Dyn const *dynp, upx_uint64_t headway)
         throwCantPack("bad DT_STRSZ %#x", strtab_max);
     }
 
-    // Find end of DT_SYMTAB
+    { // Find end of DT_SYMTAB
-    unsigned const tmp2 = elf_find_table_size(Elf64_Dyn::DT_SYMTAB,
+        unsigned const tmp2 = elf_find_table_size(Elf64_Dyn::DT_SYMTAB,
-        Elf64_Shdr::SHT_DYNSYM);
+            Elf64_Shdr::SHT_DYNSYM);
-    symnum_max = (~0u == tmp2) ? 0 : tmp1 / sizeof(Elf64_Sym);
+        symnum_max = (~0u == tmp2) ? 0 : tmp2 / sizeof(Elf64_Sym);
+    }
 
     unsigned v_sym = dt_table[Elf64_Dyn::DT_SYMTAB];
     if (v_sym) {
@@ -8661,6 +8689,7 @@ Elf32_Sym const *PackLinuxElf32::elf_lookup(char const *name) const
                 break;  // end sentinel
         }
         if (n_bucket) {
+            void const *EOM = file_size + (char const *)file_image.getVoidPtr();
             unsigned const m = elf_hash(name) % n_bucket;
             unsigned n_visit = 0;
             unsigned si;
@@ -8674,6 +8703,9 @@ Elf32_Sym const *PackLinuxElf32::elf_lookup(char const *name) const
                     return &dynsym[si];
                 if (l_sym <= &dynsym[n_visit++])
                     throwCantPack("circular DT_HASH chain %d\n", si);
+                // Detect next si out-of-bounds
+                if ((unsigned)((unsigned int const *)EOM - chains) <= si)
+                    throwCantPack("bad DT_HASH chain %d\n", si);
             }
         }
     }
@@ -8704,9 +8736,9 @@ Elf32_Sym const *PackLinuxElf32::elf_lookup(char const *name) const
 
             if (1& (w>>hbit1) & (w>>hbit2)) {
                 unsigned const hhead = get_te32(&buckets[h % n_bucket]);
-                if (n_bucket <= (hhead - symbias)) {
+                if (symnum_max <= hhead || (hhead && hhead < symbias)) {
-                    throwCantPack("bad DT_GNU_HASH n_bucket{%#x} <= buckets[%d]{%#x} - symbias{%#x}\n",
+                    throwCantPack("bad DT_GNU_HASH symnum_max{%#x} <= buckets[%d]{%#x} < symbias{%#x}\n",
-                            n_bucket, h % n_bucket, hhead, symbias);
+                            symnum_max, h % n_bucket, hhead, symbias);
                 }
                 if (hhead) {
                     Elf32_Sym const *dsp = &dynsym[hhead];
@@ -8762,6 +8794,7 @@ Elf64_Sym const *PackLinuxElf64::elf_lookup(char const *name) const
                 break;  //end
         }
         if (n_bucket) { // -rust-musl can have "empty" hashtab
+            void const *const EOM = file_size + (char const *)file_image.getVoidPtr();
             unsigned const m = elf_hash(name) % n_bucket;
             unsigned n_visit = 0;
             unsigned si;
@@ -8775,6 +8808,9 @@ Elf64_Sym const *PackLinuxElf64::elf_lookup(char const *name) const
                     return &dynsym[si];
                 if (l_sym <= &dynsym[n_visit++])
                     throwCantPack("circular DT_HASH chain %d\n", si);
+                // Detect next si out-of-bounds
+                if ((unsigned)((unsigned int const *)EOM - chains) <= si)
+                    throwCantPack("bad DT_HASH chain %d\n", si);
             }
         }
     }
@@ -8805,6 +8841,10 @@ Elf64_Sym const *PackLinuxElf64::elf_lookup(char const *name) const
             upx_uint64_t const w = get_te64(&bitmask[(n_bitmask -1) & (h>>6)]);
             if (1& (w>>hbit1) & (w>>hbit2)) {
                 unsigned hhead = get_te32(&buckets[h % n_bucket]);
+                if (symnum_max <= hhead || (hhead && hhead < symbias)) {
+                    throwCantPack("bad DT_GNU_HASH symnum_max{%#x} <= buckets[%d]{%#x} < symbias{%#x}\n",
+                            symnum_max, h % n_bucket, hhead, symbias);
+                }
                 if (hhead) {
                     Elf64_Sym const *dsp = &dynsym[hhead];
                     unsigned const *hp = &hasharr[hhead - symbias];

src/p_mach.cpp

@@ -1418,6 +1418,7 @@ void PackMachBase<T>::pack1(OutputFile *const fo, Filter &/*ft*/)  // generate e
         unsigned const sz_threado = threado_size();
         MemBuffer space(sz_threado); memset(space, 0, sz_threado);
         fo->write(space, sz_threado);
+        UNUSED(cmdsize);
     }
     else if (my_filetype == Mach_header::MH_DYLIB) {
         Mach_command const *ptr = (Mach_command const *)rawmseg;
@@ -1449,6 +1450,7 @@ void PackMachBase<T>::pack1(OutputFile *const fo, Filter &/*ft*/)  // generate e
         }
         memset(&linkitem, 0, sizeof(linkitem));
         fo->write(&linkitem, sizeof(linkitem));
+        UNUSED(cmdsize);
     }
     sz_mach_headers = fo->getBytesWritten();
     gap = secTEXT.offset - sz_mach_headers;

src/p_unix.cpp

@@ -658,7 +658,11 @@ void PackUnix::unpack(OutputFile *fo)
         fi->readx(&bhdr, szb_info);
         ph.u_len = sz_unc = get_te32(&bhdr.sz_unc);
         ph.c_len = sz_cpr = get_te32(&bhdr.sz_cpr);
-        ph.set_method(bhdr.b_method);
+        if (szb_info < sizeof(b_info)) { // some upx version 11
+            bhdr.b_method = ph.method;
+            bhdr.b_ftid = ph.filter;
+            bhdr.b_cto8 = ph.filter_cto;
+        }
 
         if (sz_unc == 0)                   // uncompressed size 0 -> EOF
         {

src/packer.cpp

@@ -857,9 +857,9 @@ void Packer::relocateLoader() {
 }
 
 /*************************************************************************
-//      void Packer::compressWithFilters():
+// void Packer::compressWithFilters():
-// Try compression with several methods and filters, choose the best
+//   Try compression with several methods and filters, choose the best
-/  or first working one. Needs buildLoader().
+//   or first working one. Needs buildLoader().
 //
 // Required inputs:
 //   this->ph
@@ -1015,9 +1015,9 @@ void Packer::compressWithFilters(byte *i_ptr,
                                  byte *const hdr_ptr, const unsigned hdr_len,
                                  Filter *const parm_ft, // updated
                                  const unsigned overlap_range,
-                                 upx_compress_config_t const *const cconf,
+                                 const upx_compress_config_t *const cconf,
                                  int filter_strategy, // in+out for prepareFilters
-                                 bool const inhibit_compression_check) {
+                                 const bool inhibit_compression_check) {
     parm_ft->buf_len = f_len;
     // struct copies
     const PackHeader orig_ph = this->ph;
@@ -1219,7 +1219,7 @@ void Packer::compressWithFilters(Filter *ft, const unsigned overlap_range,
 }
 
 void Packer::compressWithFilters(Filter *ft, const unsigned overlap_range,
-                                 upx_compress_config_t const *cconf, int filter_strategy,
+                                 const upx_compress_config_t *cconf, int filter_strategy,
                                  unsigned filter_off, unsigned ibuf_off, unsigned obuf_off,
                                  byte *const hdr_ptr, unsigned hdr_len,
                                  bool inhibit_compression_check) {

src/packer.h

@@ -48,7 +48,7 @@ protected:
 public:
     virtual ~PackerBase() noexcept {}
     // getVersion() enables detecting forward incompatibility of unpack()
-    // by old upx when newer upx changes the format of compressed output.
+    //   by old UPX when newer UPX changes the format of compressed output.
     virtual int getVersion() const = 0;
     // A unique integer ID for this executable format; see UPX_F_xxx in conf.h.
     virtual int getFormat() const = 0;
@@ -58,11 +58,11 @@ public:
     virtual const int *getFilters() const = 0;
 
     // canPack() should throw a cantPackException explaining why it cannot pack
-    // a recognized format.
+    //   a recognized format.
     // canPack() can also return -1 to fail early; see class PackMaster
     virtual tribool canPack() = 0;
     // canUnpack() should throw a cantUnpackException explaining why it cannot unpack
-    // a recognized format.
+    //   a recognized format.
     // canUnpack() can also return -1 to fail early; see class PackMaster
     virtual tribool canUnpack() = 0;
 
@@ -162,7 +162,7 @@ protected:
                              unsigned f_len, // subset of [*i_ptr, +i_len)
                              byte *const hdr_ptr, unsigned hdr_len,
                              Filter *parm_ft, // updated
-                             unsigned overlap_range, upx_compress_config_t const *cconf,
+                             unsigned overlap_range, const upx_compress_config_t *cconf,
                              int filter_strategy, bool inhibit_compression_check = false);
 
     // util for verifying overlapping decompression
@@ -248,7 +248,7 @@ protected:
     int patch_le32(void *b, int blen, const void *old, unsigned new_);
     void checkPatch(void *b, int blen, int boff, int size);
 
-    // relocation util
+    // relocation util [see packer_r.cpp]
     static unsigned optimizeReloc(unsigned relocnum, SPAN_P(byte) relocs, SPAN_S(byte) out,
                                   SPAN_P(byte) image, unsigned image_size, int bits, bool bswap,
                                   int *big);
@@ -260,7 +260,7 @@ protected:
     // permissive version using "void *"
     inline unsigned get_te16(const void *p) const noexcept { return bele->get16(p); }
     inline unsigned get_te32(const void *p) const noexcept { return bele->get32(p); }
-    inline unsigned get_te64_32(const void *p) const { return (unsigned) bele->get64(p); }
+    inline unsigned get_te64_32(const void *p) const may_throw { return (unsigned) bele->get64(p); }
     inline upx_uint64_t get_te64(const void *p) const noexcept { return bele->get64(p); }
     inline void set_te16(void *p, unsigned v) noexcept { bele->set16(p, v); }
     inline void set_te32(void *p, unsigned v) noexcept { bele->set32(p, v); }
@@ -293,11 +293,11 @@ protected:
         return bele->get32(p);
     }
     template <class T, class = enable_if_te64<T> >
-    inline unsigned get_te64_32(const T *p) const {
+    inline unsigned get_te64_32(const T *p) const may_throw {
-        upx_uint64_t val = get_te64(p);
+        upx_uint64_t v = bele->get64(p);
-        if (val >> 32)
+        if ((v >> 32) != 0)
-            throwCantPack("64-bit value too big %#llx", val);
+            throwCantPack("64-bit value too big %#llx", v);
-        return (unsigned) val;
+        return (unsigned) v;
     }
     template <class T, class = enable_if_te64<T> >
     inline upx_uint64_t get_te64(const T *p) const noexcept {

src/packhead.h

@@ -39,12 +39,13 @@ struct PackHeader final {
     ~PackHeader() noexcept = default;
 
     void reset() noexcept;
+    int set_method(int m, unsigned offset = 0); // check, then assign
+
+    int getPackHeaderSize() const;
 
     void putPackHeader(SPAN_S(byte) p) const;
     bool decodePackHeaderFromBuf(SPAN_S(const byte) b, int blen);
 
-    int getPackHeaderSize() const;
-
     // fields stored in compressed file => see stub/src/include/header.S
     // enum { magic = UPX_MAGIC_LE32 };
     int version;
@@ -63,7 +64,6 @@ struct PackHeader final {
         int n_mru;       // specific name for filter ctojr
     };
     int header_checksum;
-    int set_method(int m, unsigned offset = 0); // check, then assign
 
     // support fields for verifying decompression
     unsigned saved_u_adler;

src/packmast.cpp

@@ -25,6 +25,8 @@
    <markus@oberhumer.com>               <ezerotven+github@gmail.com>
  */
 
+// dispatch to a concrete subclass of class PackerBase; see work.cpp
+
 #include "conf.h"
 #include "file.h"
 #include "packmast.h"

src/pefile.cpp

@@ -96,6 +96,7 @@ PeFile::PeFile(InputFile *f) : super(f) {
     use_tls_callbacks = false;
     oloadconf = nullptr;
     soloadconf = 0;
+    dbgCET = nullptr;
 
     isdll = false;
     isrtm = false;
@@ -580,14 +581,15 @@ void PeFile32::processRelocs() // pass1
     // deliberately corrupt.  Sometimes it is even tuned to cause us trouble!
     // Use an extra check to avoid AccessViolation (SIGSEGV) when appending
     // the relocs into one array.
-    if ((4 * relocnum + 8192) <
+    if ((sizeof(LE32) * relocnum + 8192) <
-        (sorelocs + 4 * (2 + xcounts[IMAGE_REL_BASED_LOW] + xcounts[IMAGE_REL_BASED_HIGH])))
+        (sorelocs +
+         sizeof(LE32) * (2 + xcounts[IMAGE_REL_BASED_LOW] + xcounts[IMAGE_REL_BASED_HIGH])))
         throwCantUnpack("Invalid relocs");
 
     // append relocs type "LOW" then "HIGH"
     for (unsigned ic = IMAGE_REL_BASED_LOW; ic >= IMAGE_REL_BASED_HIGH; ic--) {
-        memcpy(orelocs + sorelocs, fix[ic], 4 * xcounts[ic]);
+        memcpy(orelocs + sorelocs, fix[ic], sizeof(LE32) * xcounts[ic]);
-        sorelocs += 4 * xcounts[ic];
+        sorelocs += sizeof(LE32) * xcounts[ic];
         set_le32(orelocs + sorelocs, 0);
         if (xcounts[ic]) {
             sorelocs += 4;
@@ -1224,7 +1226,15 @@ void PeFile::Export::convert(unsigned eoffs, unsigned esize) {
     size += len;
     iv.add_interval(edir.name, len);
 
-    len = 4 * edir.functions;
+    // This test is weak because it does not consider other necessary storage.
+    // But it does detect outrageous individual members.
+    // Note: sizeof(LE32) <= sizeof(char *)
+    if (UPX_RSIZE_MAX_MEM / sizeof(char *) <= edir.functions ||
+        UPX_RSIZE_MAX_MEM / sizeof(char *) <= edir.names) {
+        throwCantPack("export directory too big:  functions=%#x  names=%#x",
+                      (unsigned) edir.functions, (unsigned) edir.names);
+    }
+    len = sizeof(LE32) * edir.functions;
     functionptrs = New(char, len + 1);
     memcpy(functionptrs, base + edir.addrtable, len);
     size += len;
@@ -1233,14 +1243,14 @@ void PeFile::Export::convert(unsigned eoffs, unsigned esize) {
     unsigned ic;
     names = New(char *, edir.names + edir.functions + 1);
     for (ic = 0; ic < edir.names; ic++) {
-        char *n = base + get_le32(base + edir.nameptrtable + ic * 4);
+        char *n = base + get_le32(base + edir.nameptrtable + ic * sizeof(LE32));
         len = strlen(n) + 1;
         names[ic] = strdup(n);
         size += len;
-        iv.add_interval(get_le32(base + edir.nameptrtable + ic * 4), len);
+        iv.add_interval(get_le32(base + edir.nameptrtable + ic * sizeof(LE32)), len);
     }
-    iv.add_interval(edir.nameptrtable, 4 * edir.names);
+    iv.add_interval(edir.nameptrtable, sizeof(LE32) * edir.names);
-    size += 4 * edir.names;
+    size += sizeof(LE32) * edir.names;
 
     LE32 *fp = (LE32 *) functionptrs;
     // export forwarders
@@ -1270,8 +1280,8 @@ void PeFile::Export::convert(unsigned eoffs, unsigned esize) {
 
 void PeFile::Export::build(char *newbase, unsigned newoffs) {
     char *const functionp = newbase + sizeof(edir);
-    char *const namep = functionp + 4 * edir.functions;
+    char *const namep = functionp + sizeof(LE32) * edir.functions;
-    char *const ordinalp = namep + 4 * edir.names;
+    char *const ordinalp = namep + sizeof(LE32) * edir.names;
     char *const enamep = ordinalp + 2 * edir.names;
     char *exports = enamep + strlen(ename) + 1;
 
@@ -1286,15 +1296,15 @@ void PeFile::Export::build(char *newbase, unsigned newoffs) {
     unsigned ic;
     for (ic = 0; ic < edir.names; ic++) {
         strcpy(exports, names[ic]);
-        set_le32(namep + 4 * ic, newoffs + ptr_diff_bytes(exports, newbase));
+        set_le32(namep + sizeof(LE32) * ic, newoffs + ptr_diff_bytes(exports, newbase));
         exports += strlen(exports) + 1;
     }
 
-    memcpy(functionp, functionptrs, 4 * edir.functions);
+    memcpy(functionp, functionptrs, sizeof(LE32) * edir.functions);
     for (ic = 0; ic < edir.functions; ic++)
         if (names[edir.names + ic]) {
             strcpy(exports, names[edir.names + ic]);
-            set_le32(functionp + 4 * ic, newoffs + ptr_diff_bytes(exports, newbase));
+            set_le32(functionp + sizeof(LE32) * ic, newoffs + ptr_diff_bytes(exports, newbase));
             exports += strlen(exports) + 1;
         }
 
@@ -1470,29 +1480,39 @@ void PeFile::processTls2(Reloc *const rel, const Interval *const iv, unsigned ne
 
     if (sotls == 0)
         return;
-    // add new relocation entries
 
+    // add new relocation entries
     if (tls_handler_offset > 0 && tls_handler_offset_reloc > 0)
         rel->add_reloc(tls_handler_offset + tls_handler_offset_reloc, reloc_type);
 
-    unsigned ic;
     // NEW: if TLS callbacks are used, relocate the VA of the callback chain, too - Stefan Widmann
-    for (ic = 0; ic < (use_tls_callbacks ? 4 * cb_size : 3 * cb_size); ic += cb_size)
+    for (unsigned ic = 0; ic < (unsigned) (use_tls_callbacks ? 4 : 3); ic++)
-        rel->add_reloc(newaddr + ic, reloc_type);
+        rel->add_reloc(newaddr + ic * cb_size, reloc_type);
 
     SPAN_S_VAR(tls, const tlsp, mb_otls);
     // now the relocation entries in the tls data area
-    for (ic = 0; ic < iv->ivnum; ic += 4) {
+    for (unsigned ic = 0; ic < iv->ivnum; ic++) {
         SPAN_S_VAR(byte, const pp,
                    otls + (iv->ivarr[ic].start - (tlsp->datastart - imagebase) + sizeof(tls)));
         LEXX *const p = (LEXX *) raw_bytes(pp, sizeof(LEXX));
         cb_value_t kc = *p;
-        if (kc < tlsp->dataend && kc >= tlsp->datastart) {
+        if (kc >= tlsp->datastart && kc < tlsp->dataend) {
+            // add a relocation entry referring to an address inside of the original tls data area
+            // - as the new tls area is moved, the referred address have to be also adjusted
             kc += newaddr + sizeof(tls) - tlsp->datastart;
             *p = kc + imagebase;
             rel->add_reloc(kc, iv->ivarr[ic].len);
-        } else
+        } else {
-            rel->add_reloc(kc - imagebase, iv->ivarr[ic].len);
+            // add a relocation entry referring to an address outside of the original tls data area
+            // by adding the difference of the new tlsdatastart and the old tlsdatastart to
+            // the address of the original relocation record
+            const unsigned a =
+                iv->ivarr[ic].start + (newaddr + sizeof(tls)) - (tlsp->datastart - imagebase);
+            // Must not overwrite compressed data
+            if (a < newaddr && !opt->win32_pe.strip_relocs)
+                throwCantPack("relocation too low (%#x < %#x); try --strip-relocs", a, newaddr);
+            rel->add_reloc(a, iv->ivarr[ic].len);
+        }
     }
 
     const unsigned tls_data_size = tlsp->dataend - tlsp->datastart;
@@ -1716,15 +1736,15 @@ PeFile::Resource::upx_rnode *PeFile::Resource::convert(const void *rnode, upx_rn
     branch->name = nullptr;
     branch->parent = parent;
     branch->nc = ic;
-    branch->children = New(upx_rnode *, ic);
+    branch->children = New0(upx_rnode *, ic);
     branch->data = *node;
     if (!root)         // first one
         root = branch; // prevent leak if xcheck throws (hacked unpack or test)
 
     for (const res_dir_entry *rde = node->entries + ic - 1; --ic >= 0; rde--) {
         upx_rnode *child = convert(start + (rde->child & 0x7fffffff), branch, level + 1);
-        xcheck(child);
         branch->children[ic] = child;
+        xcheck(child);
         child->id = rde->tnl;
         if (child->id & 0x80000000) {
             const byte *p = start + (child->id & 0x7fffffff);
@@ -2073,25 +2093,32 @@ unsigned PeFile::stripDebug(unsigned overlaystart) {
     if (IDADDR(PEDIR_DEBUG) == 0)
         return overlaystart;
 
-    struct alignas(1) DebugDir final {
-        byte _[16]; // flags, time/date, version, type
-        LE32 size;
-        byte __[4]; // rva
-        LE32 fpos;
-    };
-
     COMPILE_TIME_ASSERT(sizeof(DebugDir) == 28)
     COMPILE_TIME_ASSERT_ALIGNED1(DebugDir)
-    COMPILE_TIME_ASSERT(sizeof(((DebugDir *) nullptr)->_) == 16)
-    COMPILE_TIME_ASSERT(sizeof(((DebugDir *) nullptr)->__) == 4)
 
     const unsigned skip = IDADDR(PEDIR_DEBUG);
     const unsigned take = IDSIZE(PEDIR_DEBUG);
-    const DebugDir *dd = (const DebugDir *) ibuf.subref("bad debug %#x", skip, take);
+    DebugDir *const dd0 = (DebugDir *) ibuf.subref("bad debug %#x", skip, take);
-    for (unsigned ic = 0; ic < IDSIZE(PEDIR_DEBUG) / sizeof(DebugDir); ic++, dd++)
+    DebugDir *dd = dd0;
+    for (unsigned ic = 0; ic < IDSIZE(PEDIR_DEBUG) / sizeof(DebugDir); ic++, dd++) {
+        if (IMAGE_DEBUG_TYPE_EX_DLLCHARACTERISTICS == dd->type && dd->size == sizeof(LE32) &&
+            dd->fpos <= (file_size_u - sizeof(LE32))) {
+            // fpos need not belong to any PEDIR_* section.
+            // Read directly from input file, but keep position (paranoia).
+            LE32 word;
+            upx_off_t const now_pos = fi->tell();
+            fi->seek(dd->fpos, SEEK_SET);
+            fi->read(&word, sizeof(word));
+            fi->seek(now_pos, SEEK_SET);
+            if (IMAGE_DLLCHARACTERISTICS_EX_CET_COMPAT & word) {
+                *(dbgCET = dd0) = *dd; // remember presence; copy to front
+            }
+        }
         if (overlaystart == dd->fpos)
             overlaystart += dd->size;
-    ibuf.fill(IDADDR(PEDIR_DEBUG), IDSIZE(PEDIR_DEBUG), FILLVAL);
+    }
+    ibuf.fill((!dbgCET ? 0 : sizeof(DebugDir)) + IDADDR(PEDIR_DEBUG),
+              (!dbgCET ? 0 : -(int) sizeof(DebugDir)) + IDSIZE(PEDIR_DEBUG), FILLVAL);
     return overlaystart;
 }
 
@@ -2478,8 +2505,8 @@ void PeFile::pack0(OutputFile *fo, ht &ih, ht &oh, unsigned subsystem_mask,
     obuf.clear(ph.c_len, c_len - ph.c_len);
 
     const unsigned aligned_sotls = ALIGN_UP(sotls, usizeof(LEXX));
-    const unsigned s1size =
+    const unsigned s1size = ALIGN_UP(ic + c_len + codesize, usizeof(LEXX)) + aligned_sotls +
-        ALIGN_UP(ic + c_len + codesize, usizeof(LEXX)) + aligned_sotls + soloadconf;
+                            soloadconf + (dbgCET ? (sizeof(LE32) + sizeof(*dbgCET)) : 0);
     const unsigned s1addr = (newvsize - (ic + c_len) + oam1) & ~oam1;
 
     const unsigned ncsection = (s1addr + s1size + oam1) & ~oam1;
@@ -2497,7 +2524,7 @@ void PeFile::pack0(OutputFile *fo, ht &ih, ht &oh, unsigned subsystem_mask,
     oh.chksum = 0;
 
     // fill the data directory
-    ODADDR(PEDIR_DEBUG) = 0;
+    ODADDR(PEDIR_DEBUG) = 0; // dbgCET later
     ODSIZE(PEDIR_DEBUG) = 0;
     ODADDR(PEDIR_IAT) = 0;
     ODSIZE(PEDIR_IAT) = 0;
@@ -2505,7 +2532,8 @@ void PeFile::pack0(OutputFile *fo, ht &ih, ht &oh, unsigned subsystem_mask,
     ODSIZE(PEDIR_BOUND_IMPORT) = 0;
 
     // tls & loadconf are put into section 1
-    ic = s1addr + s1size - aligned_sotls - soloadconf;
+    ic = s1addr + s1size - aligned_sotls - soloadconf -
+         (dbgCET ? (sizeof(LE32) + sizeof(*dbgCET)) : 0);
 
     if (use_tls_callbacks)
         tls_handler_offset = linker->getSymbolOffset("PETLSC2") + upxsection;
@@ -2520,6 +2548,11 @@ void PeFile::pack0(OutputFile *fo, ht &ih, ht &oh, unsigned subsystem_mask,
     ODSIZE(PEDIR_LOAD_CONFIG) = soloadconf;
     ic += soloadconf;
 
+    if (dbgCET) {
+        ODADDR(PEDIR_DEBUG) = ic;
+        ODSIZE(PEDIR_DEBUG) = sizeof(*dbgCET);
+        ic += sizeof(LE32) + ODSIZE(PEDIR_DEBUG);
+    }
     const bool rel_at_sections_start = last_section_rsrc_only;
 
     ic = ncsection;
@@ -2665,6 +2698,19 @@ void PeFile::pack0(OutputFile *fo, ht &ih, ht &oh, unsigned subsystem_mask,
         fo->write(ibuf, sizeof(LEXX) - ic);
     fo->write(otls, aligned_sotls);
     fo->write(oloadconf, soloadconf);
+    if (dbgCET) {
+        ic = fo->getBytesWritten();
+        dbgCET->fpos = ic + sizeof(*dbgCET);
+        dbgCET->rva = rvamin + 0x400 + dbgCET->fpos; // 0x400 => soheaders
+        LE32 word;
+        set_le32(&word, IMAGE_DLLCHARACTERISTICS_EX_CET_COMPAT);
+        if (0) { // set all bytes t0 zero
+            memset(dbgCET, 0, sizeof(*dbgCET));
+            set_le32(&word, 0);
+        }
+        fo->write(dbgCET, sizeof(*dbgCET));
+        fo->write(&word, sizeof(word));
+    }
     if ((ic = fo->getBytesWritten() & fam1) != 0)
         fo->write(ibuf, oh.filealign - ic);
     if (!last_section_rsrc_only)
@@ -2685,7 +2731,7 @@ void PeFile::pack0(OutputFile *fo, ht &ih, ht &oh, unsigned subsystem_mask,
             fo->write(ibuf, oh.filealign - ic);
     }
 
-#if 0
+#if 0 // (debug) print section sizes
     printf("%-13s: program hdr  : %8d bytes\n", getName(), (int) sizeof(oh));
     printf("%-13s: sections     : %8d bytes\n", getName(), (int) sizeof(osection[0]) * oobjs);
     printf("%-13s: ident        : %8d bytes\n", getName(), (int) identsize);
@@ -2760,12 +2806,12 @@ void PeFile::rebuildRelocs(SPAN_S(byte) & extra_info, unsigned bits, unsigned fl
 
     SPAN_S_VAR(byte, const wrkmem, mb_wrkmem);
     for (unsigned ic = 0; ic < relocnum; ic++) {
-        OPTR_VAR(byte, const p, obuf + get_le32(wrkmem + 4 * ic));
+        OPTR_VAR(byte, const p, obuf + get_le32(wrkmem + sizeof(LE32) * ic));
         if (bits == 32)
             set_le32(p, get_le32(p) + imagebase + rvamin);
         else
             set_le64(p, get_le64(p) + imagebase + rvamin);
-        rel.add_reloc(rvamin + get_le32(wrkmem + 4 * ic),
+        rel.add_reloc(rvamin + get_le32(wrkmem + sizeof(LE32) * ic),
                       bits == 32 ? IMAGE_REL_BASED_HIGHLOW : IMAGE_REL_BASED_DIR64);
     }
     rel.finish(oxrelocs, soxrelocs);
@@ -3020,8 +3066,6 @@ void PeFile::unpack0(OutputFile *fo, const ht &ih, ht &oh, ord_mask_t ord_mask,
     // memset(eistart, 0, ptr_udiff_bytes(extra_info, eistart) + 4);
 
     // fill the data directory
-    ODADDR(PEDIR_DEBUG) = 0;
-    ODSIZE(PEDIR_DEBUG) = 0;
     ODADDR(PEDIR_IAT) = 0;
     ODSIZE(PEDIR_IAT) = 0;
     ODADDR(PEDIR_BOUND_IMPORT) = 0;

src/pefile.h

@@ -519,6 +519,17 @@ protected:
         void build(char *base, unsigned newoffs);
         unsigned getsize() const { return size; }
     };
+
+    struct alignas(1) DebugDir final {
+        LE32 flags, date_time, version;
+        LE32 type;
+        LE32 size;
+        LE32 rva;
+        LE32 fpos;
+    };
+    enum { IMAGE_DEBUG_TYPE_EX_DLLCHARACTERISTICS = 20 };
+    enum { IMAGE_DLLCHARACTERISTICS_EX_CET_COMPAT = 0x001 };
+    struct DebugDir *dbgCET = nullptr;
 };
 
 class PeFile32 : public PeFile {

src/stub/Makefile

@@ -167,7 +167,7 @@ all: $$(all.targets)
 	@echo "timestamp" > $@
 .DELETE_ON_ERROR: .upx-stubtools-stamp
 %/.tmp-stamp:
-	@mkdir -p $(dir $@)
+	@mkdir -p "$(dir $@)"
 	@echo "timestamp" > $@
 .PRECIOUS: %/.tmp-stamp
 .all-stamp: $$(STUBS)
@@ -208,6 +208,7 @@ ECHO_e     = /bin/echo -e
 ECHO_E     = /bin/echo -E
 PERL       = perl
 PYTHON2    = python2
+PYTHON3    = python3
 UNIX2DOS  := $(PERL) -i -pe 's/$$/\r/;'
 
 # trim (strip) trailing whitespace
@@ -240,15 +241,15 @@ define tc
 endef
 
 # default tools
-tc.default.bin2h      = $(PYTHON2) $(top_srcdir)/src/stub/scripts/bin2h.py --ident=auto-stub
+tc.default.bin2h      = $(PYTHON3) "$(top_srcdir)/src/stub/scripts/bin2h.py" --ident=auto-stub
 ##tc.default.bin2h-c    = $(call tc,bin2h) --compress=14,15,0
 tc.default.bin2h-c    = $(call tc,bin2h) --compress=0
-tc.default.brandelf   = $(PYTHON2) $(top_srcdir)/src/stub/scripts/brandelf.py $(if $(tc_bfdname),--bfdname=$(tc_bfdname))
+tc.default.brandelf   = $(PYTHON3) "$(top_srcdir)/src/stub/scripts/brandelf.py" $(if $(tc_bfdname),--bfdname=$(tc_bfdname))
-tc.default.gpp_inc    = $(PYTHON2) $(top_srcdir)/src/stub/scripts/gpp_inc.py
+tc.default.gpp_inc    = $(PYTHON3) "$(top_srcdir)/src/stub/scripts/gpp_inc.py"
-tc.default.gpp_mkdep  = $(PYTHON2) $(top_srcdir)/src/stub/scripts/gpp_inc.py -o /dev/null
+tc.default.gpp_mkdep  = $(PYTHON3) "$(top_srcdir)/src/stub/scripts/gpp_inc.py" -o /dev/null
 tc.default.pp-as      = i386-linux-gcc-3.4.6 -E -nostdinc -x assembler-with-cpp -Wall
 tc.default.sstrip     = sstrip-20060518
-tc.default.xstrip     = $(PYTHON2) $(top_srcdir)/src/stub/scripts/xstrip.py
+tc.default.xstrip     = $(PYTHON3) "$(top_srcdir)/src/stub/scripts/xstrip.py"
 
 # default multiarch-binutils
 tc.default.m-ar       = multiarch-ar-2.17
@@ -318,7 +319,7 @@ endef
 
 define tc.default.f-embed_objinfo_without_xstrip_keep_dot_text
 	chmod a-x $1
-	$(call tc,objcopy)          -R .data -R .bss $1
+	$(call tc,objcopy) -R .data -R .bss $1
 	$(call tc,objcopy) -R .comment -R .note -R .note.GNU-stack -R .reginfo $1
 	$(call tc,objcopy) --strip-unneeded --keep-symbol=_start --keep-symbol=upx_so_main $1
 #
@@ -550,6 +551,7 @@ amd64-win64.pe.h : tc_objdump_disasm_options = -M intel-mnemonic
 
 tc.amd64-win64.pe.gcc  = amd64-linux-gcc-4.1.1 -m64 -nostdinc -DWINDOWS_BACK=1 -MMD -MT $@
 tc.amd64-win64.pe.gcc += -fno-exceptions -fno-asynchronous-unwind-tables
+tc.amd64-win64.pe.gcc += -mno-red-zone
 tc.amd64-win64.pe.gcc += -Wall -W -Wcast-align -Wcast-qual -Wstrict-prototypes -Wwrite-strings -Werror
 tc.amd64-win64.pe.objdump = multiarch-objdump-2.23.90
 

src/stub/amd64-linux.elf-entry.h

@@ -1,5 +1,5 @@
 /* amd64-linux.elf-entry.h
-   created from amd64-linux.elf-entry.bin, 1141 (0x475) bytes
+   created from amd64-linux.elf-entry.bin, 2869 (0xb35) bytes
 
    This file is part of the UPX executable compressor.
 
@@ -32,81 +32,189 @@
 
 /* clang-format off */
 
-#define STUB_AMD64_LINUX_ELF_ENTRY_SIZE    1141
+#define STUB_AMD64_LINUX_ELF_ENTRY_SIZE    2869
-#define STUB_AMD64_LINUX_ELF_ENTRY_ADLER32 0xd3b74a90
+#define STUB_AMD64_LINUX_ELF_ENTRY_ADLER32 0xf865154a
-#define STUB_AMD64_LINUX_ELF_ENTRY_CRC32   0x52b418e2
+#define STUB_AMD64_LINUX_ELF_ENTRY_CRC32   0xe81955ed
 
-unsigned char stub_amd64_linux_elf_entry[1141] = {
+unsigned char stub_amd64_linux_elf_entry[2869] = {
 /* 0x0000 */ 127, 69, 76, 70,  2,  1,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 /* 0x0010 */   1,  0, 62,  0,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-/* 0x0020 */   0,  0,  0,  0,  0,  0,  0,  0, 16,  2,  0,  0,  0,  0,  0,  0,
+/* 0x0020 */   0,  0,  0,  0,  0,  0,  0,  0, 80,  5,  0,  0,  0,  0,  0,  0,
 /* 0x0030 */   0,  0,  0,  0, 64,  0,  0,  0,  0,  0, 64,  0,  0,  0,  0,  0,
-/* 0x0040 */ 243, 15, 30,250, 89, 84, 95, 81, 82, 49,192, 72,175,117,252, 72,
+/* 0x0040 */ 243, 15, 30,250, 89, 84, 95, 81, 82, 76,141, 61,  0,  0,  0,  0,
-/* 0x0050 */ 175,117,252, 87,186,  0, 16,  0,  0, 94, 72,173,133,192,116,  8,
+/* 0x0050 */  87, 41,210, 82, 72,141,  5, 45,  0,  0,  0, 80,104,  4,  0,  0,
-/* 0x0060 */ 131,248,  6, 72,173,117,243,146, 88, 72,247,218, 82, 80,104,117,
+/* 0x0060 */   4, 72,141,  5, 43,  0,  0,  0, 80, 76,141, 61,219,  2,  0,  0,
-/* 0x0070 */ 112, 88,  0, 84, 95,106, 16, 94,184, 63,  1,  0,  0, 15,  5,133,
+/* 0x0070 */  84, 94,106, 11, 95,106,  8, 65, 90,106, 13, 88, 15,  5, 72,131,
-/* 0x0080 */ 192,121, 29,133,246,116,  4, 49,246,235,237, 72,141, 53, 28,  1,
+/* 0x0080 */ 196, 32, 95,233,216,  2,  0,  0,243, 15, 30,250,184, 15,  0,  0,
-/* 0x0090 */   0,  0,173,146,173, 86,150, 95,106,  2, 88,232,  0,  1,  0,  0,
+/* 0x0090 */   0, 15,  5,243, 15, 30,250, 82,186, 26,  0,  0,  0, 72,141, 53,
-/* 0x00a0 */  73,137,196, 89, 72,141, 61,145,255,255,255,139, 15, 72, 41,207,
+/* 0x00a0 */ 111,  0,  0,  0,106,  2, 95,106,  1, 88, 15,  5, 49,246, 72,141,
-/* 0x00b0 */  72,141, 53,  0,  0,  0,  0,173,147, 65,137,221,173,146,131,194,
+/* 0x00b0 */  61,120,  0,  0,  0,106,  2, 88, 15,  5, 73,137,196,187,  0, 16,
-/* 0x00c0 */  16, 82,106,255, 87, 72, 41,217, 81, 72,  1,251, 83, 84, 93, 72,
+/* 0x00c0 */   0,  0, 72, 41,220,137,218, 84, 94, 76,137,231, 49,192, 15,  5,
-/* 0x00d0 */  41,212, 72,131,228,192, 84, 95,173, 80,173,102,131,248,  2,116,
+/* 0x00d0 */ 133,192,126, 14,137,194, 84, 94,106,  2, 95,106,  1, 88, 15,  5,
-/* 0x00e0 */   1,244, 88, 72,  1,240, 80, 85, 49,219, 49,201, 72,141, 21,204,
+/* 0x00e0 */ 235,227, 76,137,231, 72,  1,220,106,  3, 88, 15,  5, 90,106, 57,
-/* 0x00f0 */   0,  0,  0,106,255, 93,252,168,164,255,210,114,251,141, 65,  1,
+/* 0x00f0 */  88,232,  0,  0,  0,  0,133,192, 15,132,141,  1,  0,  0,235,254,
-/* 0x0100 */ 255,210, 17,192,255,210,115,248,131,232,  3,114, 12,193,224,  8,
+/* 0x0100 */  47,112,114,111, 99, 47,115,101,108,102, 47, 99,109,100,108,105,
-/* 0x0110 */ 172,131,240,255,116, 47, 72, 99,232,141, 65,  1,255,210, 17,201,
+/* 0x0110 */ 110,101,  0, 10, 10, 83, 73, 71, 83, 69, 71, 86, 32, 97,100,100,
-/* 0x0120 */ 255,210, 17,201,117, 13,137,193,131,192,  2,255,210, 17,201,255,
+/* 0x0120 */ 114,101,115,115, 32,115,112, 97, 99,101, 58, 10,  0, 47,112,114,
-/* 0x0130 */ 210,115,248,129,253,  0,243,255,255, 17,193, 86, 72,141, 52, 47,
+/* 0x0130 */ 111, 99, 47,115,101,108,102, 47,109, 97,112,115,  0, 45,113,  0,
-/* 0x0140 */ 243,164, 94,235,180, 93, 89, 72, 57,206,116,  1,244, 72,139, 69,
+/* 0x0140 */  47,117,115,114, 47, 98,105,110, 47,103,100, 98,  0,115,101,116,
-/* 0x0150 */  48, 72,137,  4, 36, 72,139, 85, 32, 72,131,234, 16, 84, 94, 76,
+/* 0x0150 */  32,112,114,111,109,112,116, 10,105,110,102,111, 32,105,110,102,
-/* 0x0160 */ 137,231, 82,106,  1, 88,232, 53,  0,  0,  0, 72,  1,198, 41,194,
+/* 0x0160 */ 101,114,105,111,114,115, 10,112,114,105,110,116, 32, 34,114, 56,
-/* 0x0170 */ 117,241, 94, 85, 92, 77, 49,201, 77,137,224,106,  1, 65, 90,106,
+/* 0x0170 */  32, 45, 32,114, 49, 53, 34, 10,120, 47, 56,120,103, 32, 36,114,
-/* 0x0180 */   5, 90, 41,255,106,  9, 88,232, 20,  0,  0,  0, 80, 72,137, 69,
+/* 0x0180 */ 100,120, 32, 43, 32, 53, 42, 56, 10,112,114,105,110,116, 32, 34,
-/* 0x0190 */  24, 65, 80, 95,106,  3, 88, 15,  5, 88, 72,131,192,  8,255,224,
+/* 0x0190 */ 114,100,105, 44, 32,114,115,105, 44, 32,114, 98,112, 44, 32,114,
-/* 0x01a0 */  80, 15,  5, 89, 72, 61,  0,240,255,255,114,  1,244,195,192,  1,
+/* 0x01a0 */  98,120, 34, 10,120, 47, 52,120,103, 10,112,114,105,110,116, 32,
-/* 0x01b0 */   0,  0,  2,  0, 65,  0, 47,100,101,118, 47,115,104,109,  0,243,
+/* 0x01b0 */  34,114,100,120, 44, 32,114, 97,120, 44, 32,114, 99,120, 44, 32,
-/* 0x01c0 */  15, 30,250,  1,219,116,  2,243,195,139, 30, 72,131,238,252, 17,
+/* 0x01c0 */ 114,115,112, 34, 10,120, 47, 52,120,103, 10,112,114,105,110,116,
-/* 0x01d0 */ 219,243,195,  0,  0,  0,  0,  0,102,105,108,101, 32,102,111,114,
+/* 0x01d0 */  32, 34,114,105,112, 44, 32,101,102,108, 34, 10,120, 47, 50,120,
-/* 0x01e0 */ 109, 97,116, 32,101,108,102, 54, 52, 45,120, 56, 54, 45, 54, 52,
+/* 0x01e0 */ 103, 10,115,101,116, 32, 36,112, 99, 32, 61, 32, 42, 40,108,111,
-/* 0x01f0 */  10, 10, 83,101, 99,116,105,111,110,115, 58, 10, 73,100,120, 32,
+/* 0x01f0 */ 110,103, 32, 42, 41, 40, 36,114,100,120, 32, 43, 32, 49, 54, 56,
-/* 0x0200 */  78, 97,109,101, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 83,105,
+/* 0x0200 */  41, 10,112,114,105,110,116, 32, 34,102, 97,117,108,116,105,110,
-/* 0x0210 */ 122,101, 32, 32, 32, 32, 32, 32, 86, 77, 65, 32, 32, 32, 32, 32,
+/* 0x0210 */ 103, 32,105,110,115,116,114, 34, 10,120, 47,105, 32, 36,112, 99,
-/* 0x0220 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 76, 77, 65, 32, 32, 32,
+/* 0x0220 */  10,112,114,105,110,116, 32, 34,102, 97,117,108,116, 32, 99,111,
-/* 0x0230 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 70,105,108,101,
+/* 0x0230 */ 110,116,101,120,116, 34, 10,120, 47, 49, 54,105, 32, 36,112, 99,
-/* 0x0240 */  32,111,102,102, 32, 32, 65,108,103,110, 32, 32, 70,108, 97,103,
+/* 0x0240 */  32, 45, 32, 48,120, 50, 48, 10,112,114,105,110,116, 32, 34,117,
-/* 0x0250 */ 115, 10, 32, 32, 48, 32, 69, 76, 70, 77, 65, 73, 78, 88, 32, 32,
+/* 0x0250 */ 115,101,114, 32,115,116, 97, 99,107, 34, 10,120, 47, 54, 52,120,
-/* 0x0260 */  32, 32, 32, 32, 48, 49, 57, 51, 32, 32, 48, 32, 32, 48, 32, 32,
+/* 0x0260 */ 103, 32, 42, 40,108,111,110,103, 32, 42, 41, 40, 36,114,100,120,
-/* 0x0270 */  48, 52, 48, 32, 32, 50, 42, 42, 48, 32, 32, 67, 79, 78, 84, 69,
+/* 0x0270 */  32, 43, 32, 53, 42, 56, 32, 43, 32, 49, 53, 42, 56, 41, 10,107,
-/* 0x0280 */  78, 84, 83, 10, 32, 32, 49, 32, 69, 76, 70, 77, 65, 73, 78, 90,
+/* 0x0280 */ 105,108,108, 10,113,117,105,116, 32, 49,  0, 72,129,236,  0, 16,
-/* 0x0290 */  32, 32, 32, 32, 32, 32, 48, 52, 32, 32, 48, 32, 32, 48, 32, 32,
+/* 0x0290 */   0,  0, 72,141, 61,103,254,255,255,106,  0, 94,106,  2, 88,232,
-/* 0x02a0 */  48, 49,100, 52, 32, 32, 50, 42, 42, 50, 32, 32, 67, 79, 78, 84,
+/* 0x02a0 */   0,  0,  0,  0, 80, 95, 84, 94,104,  0, 16,  0,  0, 90,106,  0,
-/* 0x02b0 */  69, 78, 84, 83, 10, 83, 89, 77, 66, 79, 76, 32, 84, 65, 66, 76,
+/* 0x02b0 */  88,232,  0,  0,  0,  0,106,  3, 88,232,  0,  0,  0,  0,106,110,
-/* 0x02c0 */  69, 58, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x02c0 */  88, 15,  5, 80, 94, 49,192, 80, 80, 84, 95,232, 89,  0,  0,  0,
-/* 0x02d0 */  48, 48, 48, 32,108, 32, 32, 32, 32,100, 32, 32, 69, 76, 70, 77,
+/* 0x02d0 */  84, 94,106,  0, 86, 72,131,198, 16, 86, 72,141,  5, 92,254,255,
-/* 0x02e0 */  65, 73, 78, 90, 32, 48, 32, 69, 76, 70, 77, 65, 73, 78, 90, 10,
+/* 0x02e0 */ 255, 80, 72,131,192,  3, 80, 49,255,106,  3, 88, 15,  5, 80, 84,
-/* 0x02f0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x02f0 */  95,106, 22, 88,232,  0,  0,  0,  0, 95, 72,193,239, 32,104, 62,
-/* 0x0300 */  32,108, 32, 32, 32, 32,100, 32, 32, 69, 76, 70, 77, 65, 73, 78,
+/* 0x0300 */   1,  0,  0, 90, 72,141, 53, 66,254,255,255,106,  1, 88,232,  0,
-/* 0x0310 */  88, 32, 48, 32, 69, 76, 70, 77, 65, 73, 78, 88, 10, 48, 48, 48,
+/* 0x0310 */   0,  0,  0,106,  3, 88, 15,  5,106,  0, 90, 84, 94, 72,139, 62,
-/* 0x0320 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 32,103, 32,
+/* 0x0320 */ 106, 59, 88,232,  0,  0,  0,  0,244,106, 10, 89,137,240,232,  4,
-/* 0x0330 */  32, 32, 32, 32, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 32, 48,
+/* 0x0330 */   0,  0,  0,198,  7,  0,195, 49,210,247,241, 82,133,192,116,  5,
-/* 0x0340 */  32, 95,115,116, 97,114,116, 10, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0340 */ 232,242,255,255,255, 88,131,192, 48,170,195,243, 15, 30,250,106,
-/* 0x0350 */  48, 48, 48, 48, 48, 48, 48, 48, 32, 32, 32, 32, 32, 32, 32, 32,
+/* 0x0350 */   8, 65, 90, 49,210, 49,246,106, 11, 95,106, 13, 88, 15,  5,195,
-/* 0x0360 */  32, 42, 85, 78, 68, 42, 32, 48, 32, 79, 95, 66, 73, 78, 70, 79,
+/* 0x0360 */  49,192, 72,175,117,252, 72,175,117,252, 87,186,  0, 16,  0,  0,
-/* 0x0370 */  10, 10, 82, 69, 76, 79, 67, 65, 84, 73, 79, 78, 32, 82, 69, 67,
+/* 0x0370 */  94, 72,173,133,192,116,  8,131,248,  6, 72,173,117,243,146, 88,
-/* 0x0380 */  79, 82, 68, 83, 32, 70, 79, 82, 32, 91, 69, 76, 70, 77, 65, 73,
+/* 0x0380 */  72,247,218, 82, 80,104,117,112, 88,  0, 84, 95,106, 16, 94,184,
-/* 0x0390 */  78, 88, 93, 58, 10, 79, 70, 70, 83, 69, 84, 32, 32, 32, 32, 32,
+/* 0x0390 */  63,  1,  0,  0, 15,  5,133,192,121, 29,133,246,116,  4, 49,246,
-/* 0x03a0 */  32, 32, 32, 32, 32, 32, 84, 89, 80, 69, 32, 32, 32, 32, 32, 32,
+/* 0x03a0 */ 235,237, 72,141, 53, 38,  1,  0,  0,173,146,173, 86,150, 95,106,
-/* 0x03b0 */  32, 32, 32, 32, 32, 32, 32, 32, 86, 65, 76, 85, 69, 10, 48, 48,
+/* 0x03b0 */   2, 88,232, 10,  1,  0,  0, 73,137,196, 89, 72,141, 61,  0,  0,
-/* 0x03c0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 55, 51, 32, 82,
+/* 0x03c0 */   0,  0,139, 15, 72, 41,207, 72,141, 53,  0,  0,  0,  0,173,147,
-/* 0x03d0 */  95, 88, 56, 54, 95, 54, 52, 95, 80, 67, 51, 50, 32, 32, 32, 32,
+/* 0x03d0 */  65,137,221,173,146,131,194, 16, 82,106,255, 87, 72, 41,217, 81,
-/* 0x03e0 */  32, 69, 76, 70, 77, 65, 73, 78, 90, 43, 48,120,102,102,102,102,
+/* 0x03e0 */  72,  1,251, 83, 84, 93, 72, 41,212, 72,131,228,192, 84, 95,173,
-/* 0x03f0 */ 102,102,102,102,102,102,102,102,102,102,102, 99, 10, 10, 82, 69,
+/* 0x03f0 */  80,173,102,131,248,  2,116,  1,244, 88, 72,  1,240, 80, 85, 49,
-/* 0x0400 */  76, 79, 67, 65, 84, 73, 79, 78, 32, 82, 69, 67, 79, 82, 68, 83,
+/* 0x0400 */ 219, 49,201, 72,141, 21,214,  0,  0,  0,106,255, 93,252,168,164,
-/* 0x0410 */  32, 70, 79, 82, 32, 91, 69, 76, 70, 77, 65, 73, 78, 90, 93, 58,
+/* 0x0410 */ 255,210,114,251,141, 65,  1,255,210, 17,192,255,210,115,248,131,
-/* 0x0420 */  10, 79, 70, 70, 83, 69, 84, 32, 32, 32, 32, 32, 32, 32, 32, 32,
+/* 0x0420 */ 232,  3,114, 12,193,224,  8,172,131,240,255,116, 47, 72, 99,232,
-/* 0x0430 */  32, 32, 84, 89, 80, 69, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
+/* 0x0430 */ 141, 65,  1,255,210, 17,201,255,210, 17,201,117, 13,137,193,131,
-/* 0x0440 */  32, 32, 32, 32, 86, 65, 76, 85, 69, 10, 48, 48, 48, 48, 48, 48,
+/* 0x0440 */ 192,  2,255,210, 17,201,255,210,115,248,129,253,  0,243,255,255,
-/* 0x0450 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 32, 82, 95, 88, 56, 54,
+/* 0x0450 */  17,193, 86, 72,141, 52, 47,243,164, 94,235,180, 93, 89, 72, 57,
-/* 0x0460 */  95, 54, 52, 95, 51, 50, 32, 32, 32, 32, 32, 32, 32, 79, 95, 66,
+/* 0x0460 */ 206,116,  1,244, 72,139, 69, 48, 72,137,  4, 36, 76,137,124, 36,
-/* 0x0470 */  73, 78, 70, 79, 10
+/* 0x0470 */   8, 72,139, 85, 32, 72,131,234, 16, 84, 94, 76,137,231, 82,106,
+/* 0x0480 */   1, 88,232, 58,  0,  0,  0, 72,  1,198, 41,194,117,241, 94, 85,
+/* 0x0490 */  92, 77, 49,201, 77,137,224,106,  1, 65, 90,106,  5, 90, 41,255,
+/* 0x04a0 */ 106,  9, 88,232, 25,  0,  0,  0, 80, 72,137, 69, 24, 65, 80, 95,
+/* 0x04b0 */ 106,  3, 88, 15,  5, 88, 72,131,192, 16,255,224,243, 15, 30,250,
+/* 0x04c0 */ 195, 80, 15,  5, 89, 72, 61,  0,240,255,255,114,  1,244,195,192,
+/* 0x04d0 */   1,  0,  0,  2,  0, 65,  0, 47,100,101,118, 47,115,104,109,  0,
+/* 0x04e0 */ 243, 15, 30,250,  1,219,116,  2,243,195,139, 30, 72,131,238,252,
+/* 0x04f0 */  17,219,243,195,  0,  0,  0,  0,102,105,108,101, 32,102,111,114,
+/* 0x0500 */ 109, 97,116, 32,101,108,102, 54, 52, 45,120, 56, 54, 45, 54, 52,
+/* 0x0510 */  10, 10, 83,101, 99,116,105,111,110,115, 58, 10, 73,100,120, 32,
+/* 0x0520 */  78, 97,109,101, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 83,105,
+/* 0x0530 */ 122,101, 32, 32, 32, 32, 32, 32, 86, 77, 65, 32, 32, 32, 32, 32,
+/* 0x0540 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 76, 77, 65, 32, 32, 32,
+/* 0x0550 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 70,105,108,101,
+/* 0x0560 */  32,111,102,102, 32, 32, 65,108,103,110, 32, 32, 70,108, 97,103,
+/* 0x0570 */ 115, 10, 32, 32, 48, 32, 69, 76, 70, 77, 65, 73, 78, 88, 32, 32,
+/* 0x0580 */  32, 32, 32, 32, 48, 49, 48, 32, 32, 48, 32, 32, 48, 32, 32, 48,
+/* 0x0590 */  52, 48, 32, 32, 50, 42, 42, 48, 32, 32, 67, 79, 78, 84, 69, 78,
+/* 0x05a0 */  84, 83, 10, 32, 32, 49, 32, 69, 76, 70, 83, 73, 71, 83, 69, 71,
+/* 0x05b0 */  86, 32, 32, 32, 32, 48, 51, 49, 48, 32, 32, 48, 32, 32, 48, 32,
+/* 0x05c0 */  32, 48, 53, 48, 32, 32, 50, 42, 42, 48, 32, 32, 67, 79, 78, 84,
+/* 0x05d0 */  69, 78, 84, 83, 10, 32, 32, 50, 32, 69, 76, 70, 77, 65, 73, 78,
+/* 0x05e0 */  88, 50, 32, 32, 32, 32, 32, 48, 49, 57, 52, 32, 32, 48, 32, 32,
+/* 0x05f0 */  48, 32, 32, 48, 51, 54, 48, 32, 32, 50, 42, 42, 48, 32, 32, 67,
+/* 0x0600 */  79, 78, 84, 69, 78, 84, 83, 10, 32, 32, 51, 32, 69, 76, 70, 77,
+/* 0x0610 */  65, 73, 78, 90, 32, 32, 32, 32, 32, 32, 48, 52, 32, 32, 48, 32,
+/* 0x0620 */  32, 48, 32, 32, 48, 52,102, 52, 32, 32, 50, 42, 42, 50, 32, 32,
+/* 0x0630 */  67, 79, 78, 84, 69, 78, 84, 83, 10, 83, 89, 77, 66, 79, 76, 32,
+/* 0x0640 */  84, 65, 66, 76, 69, 58, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0650 */  48, 48, 48, 48, 48, 48, 48, 32,108, 32, 32, 32, 32,100, 32, 32,
+/* 0x0660 */  69, 76, 70, 77, 65, 73, 78, 88, 32, 48, 32, 69, 76, 70, 77, 65,
+/* 0x0670 */  73, 78, 88, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0680 */  48, 48, 48, 48, 32,108, 32, 32, 32, 32,100, 32, 32, 69, 76, 70,
+/* 0x0690 */  77, 65, 73, 78, 88, 50, 32, 48, 32, 69, 76, 70, 77, 65, 73, 78,
+/* 0x06a0 */  88, 50, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x06b0 */  48, 48, 48, 32,108, 32, 32, 32, 32,100, 32, 32, 69, 76, 70, 77,
+/* 0x06c0 */  65, 73, 78, 90, 32, 48, 32, 69, 76, 70, 77, 65, 73, 78, 90, 10,
+/* 0x06d0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x06e0 */  32,108, 32, 32, 32, 32,100, 32, 32, 69, 76, 70, 83, 73, 71, 83,
+/* 0x06f0 */  69, 71, 86, 32, 48, 32, 69, 76, 70, 83, 73, 71, 83, 69, 71, 86,
+/* 0x0700 */  10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0710 */  48, 32,103, 32, 32, 32, 32, 32, 32, 32, 69, 76, 70, 77, 65, 73,
+/* 0x0720 */  78, 88, 32, 48, 32, 95,115,116, 97,114,116, 10, 48, 48, 48, 48,
+/* 0x0730 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 32, 32, 32, 32,
+/* 0x0740 */  32, 32, 32, 32, 32, 42, 85, 78, 68, 42, 32, 48, 32, 79, 95, 66,
+/* 0x0750 */  73, 78, 70, 79, 10, 10, 82, 69, 76, 79, 67, 65, 84, 73, 79, 78,
+/* 0x0760 */  32, 82, 69, 67, 79, 82, 68, 83, 32, 70, 79, 82, 32, 91, 69, 76,
+/* 0x0770 */  70, 77, 65, 73, 78, 88, 93, 58, 10, 79, 70, 70, 83, 69, 84, 32,
+/* 0x0780 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 84, 89, 80, 69, 32, 32,
+/* 0x0790 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 86, 65, 76, 85,
+/* 0x07a0 */  69, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x07b0 */  48, 99, 32, 82, 95, 88, 56, 54, 95, 54, 52, 95, 80, 67, 51, 50,
+/* 0x07c0 */  32, 32, 32, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 50, 43, 48,
+/* 0x07d0 */ 120, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 53,
+/* 0x07e0 */  56, 10, 10, 82, 69, 76, 79, 67, 65, 84, 73, 79, 78, 32, 82, 69,
+/* 0x07f0 */  67, 79, 82, 68, 83, 32, 70, 79, 82, 32, 91, 69, 76, 70, 83, 73,
+/* 0x0800 */  71, 83, 69, 71, 86, 93, 58, 10, 79, 70, 70, 83, 69, 84, 32, 32,
+/* 0x0810 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 84, 89, 80, 69, 32, 32, 32,
+/* 0x0820 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 86, 65, 76, 85, 69,
+/* 0x0830 */  10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 97,
+/* 0x0840 */  50, 32, 82, 95, 88, 56, 54, 95, 54, 52, 95, 80, 67, 51, 50, 32,
+/* 0x0850 */  32, 32, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 50, 43, 48,120,
+/* 0x0860 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 53,100,
+/* 0x0870 */  10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 50, 53,
+/* 0x0880 */  48, 32, 82, 95, 88, 56, 54, 95, 54, 52, 95, 80, 67, 51, 50, 32,
+/* 0x0890 */  32, 32, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 50, 43, 48,120,
+/* 0x08a0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 53,100,
+/* 0x08b0 */  10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 50, 54,
+/* 0x08c0 */  50, 32, 82, 95, 88, 56, 54, 95, 54, 52, 95, 80, 67, 51, 50, 32,
+/* 0x08d0 */  32, 32, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 50, 43, 48,120,
+/* 0x08e0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 53,100,
+/* 0x08f0 */  10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 50, 54,
+/* 0x0900 */  97, 32, 82, 95, 88, 56, 54, 95, 54, 52, 95, 80, 67, 51, 50, 32,
+/* 0x0910 */  32, 32, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 50, 43, 48,120,
+/* 0x0920 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 53,100,
+/* 0x0930 */  10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 50, 97,
+/* 0x0940 */  53, 32, 82, 95, 88, 56, 54, 95, 54, 52, 95, 80, 67, 51, 50, 32,
+/* 0x0950 */  32, 32, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 50, 43, 48,120,
+/* 0x0960 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 53,100,
+/* 0x0970 */  10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 50, 98,
+/* 0x0980 */ 102, 32, 82, 95, 88, 56, 54, 95, 54, 52, 95, 80, 67, 51, 50, 32,
+/* 0x0990 */  32, 32, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 50, 43, 48,120,
+/* 0x09a0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 53,100,
+/* 0x09b0 */  10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 50,100,
+/* 0x09c0 */  52, 32, 82, 95, 88, 56, 54, 95, 54, 52, 95, 80, 67, 51, 50, 32,
+/* 0x09d0 */  32, 32, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 50, 43, 48,120,
+/* 0x09e0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 53,100,
+/* 0x09f0 */  10, 10, 82, 69, 76, 79, 67, 65, 84, 73, 79, 78, 32, 82, 69, 67,
+/* 0x0a00 */  79, 82, 68, 83, 32, 70, 79, 82, 32, 91, 69, 76, 70, 77, 65, 73,
+/* 0x0a10 */  78, 88, 50, 93, 58, 10, 79, 70, 70, 83, 69, 84, 32, 32, 32, 32,
+/* 0x0a20 */  32, 32, 32, 32, 32, 32, 32, 84, 89, 80, 69, 32, 32, 32, 32, 32,
+/* 0x0a30 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 86, 65, 76, 85, 69, 10, 48,
+/* 0x0a40 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 53,101, 32,
+/* 0x0a50 */  82, 95, 88, 56, 54, 95, 54, 52, 95, 80, 67, 51, 50, 32, 32, 32,
+/* 0x0a60 */  32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 43, 48,120,102,102,102,
+/* 0x0a70 */ 102,102,102,102,102,102,102,102,102,102,102,102, 56, 10, 48, 48,
+/* 0x0a80 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 54, 97, 32, 82,
+/* 0x0a90 */  95, 88, 56, 54, 95, 54, 52, 95, 80, 67, 51, 50, 32, 32, 32, 32,
+/* 0x0aa0 */  32, 69, 76, 70, 77, 65, 73, 78, 90, 43, 48,120,102,102,102,102,
+/* 0x0ab0 */ 102,102,102,102,102,102,102,102,102,102,102, 99, 10, 10, 82, 69,
+/* 0x0ac0 */  76, 79, 67, 65, 84, 73, 79, 78, 32, 82, 69, 67, 79, 82, 68, 83,
+/* 0x0ad0 */  32, 70, 79, 82, 32, 91, 69, 76, 70, 77, 65, 73, 78, 90, 93, 58,
+/* 0x0ae0 */  10, 79, 70, 70, 83, 69, 84, 32, 32, 32, 32, 32, 32, 32, 32, 32,
+/* 0x0af0 */  32, 32, 84, 89, 80, 69, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
+/* 0x0b00 */  32, 32, 32, 32, 86, 65, 76, 85, 69, 10, 48, 48, 48, 48, 48, 48,
+/* 0x0b10 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 32, 82, 95, 88, 56, 54,
+/* 0x0b20 */  95, 54, 52, 95, 51, 50, 32, 32, 32, 32, 32, 32, 32, 79, 95, 66,
+/* 0x0b30 */  73, 78, 70, 79, 10
 };

src/stub/arm64-linux.elf-entry.h

@@ -1,5 +1,5 @@
 /* arm64-linux.elf-entry.h
-   created from arm64-linux.elf-entry.bin, 1656 (0x678) bytes
+   created from arm64-linux.elf-entry.bin, 2971 (0xb9b) bytes
 
    This file is part of the UPX executable compressor.
 
@@ -32,113 +32,195 @@
 
 /* clang-format off */
 
-#define STUB_ARM64_LINUX_ELF_ENTRY_SIZE    1656
+#define STUB_ARM64_LINUX_ELF_ENTRY_SIZE    2971
-#define STUB_ARM64_LINUX_ELF_ENTRY_ADLER32 0xebefbc2c
+#define STUB_ARM64_LINUX_ELF_ENTRY_ADLER32 0x0d9b4202
-#define STUB_ARM64_LINUX_ELF_ENTRY_CRC32   0x6e19662b
+#define STUB_ARM64_LINUX_ELF_ENTRY_CRC32   0x7209b84d
 
-unsigned char stub_arm64_linux_elf_entry[1656] = {
+unsigned char stub_arm64_linux_elf_entry[2971] = {
 /* 0x0000 */ 127, 69, 76, 70,  2,  1,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,
 /* 0x0010 */   1,  0,183,  0,  1,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
-/* 0x0020 */   0,  0,  0,  0,  0,  0,  0,  0, 64,  4,  0,  0,  0,  0,  0,  0,
+/* 0x0020 */   0,  0,  0,  0,  0,  0,  0,  0, 64,  8,  0,  0,  0,  0,  0,  0,
 /* 0x0030 */   0,  0,  0,  0, 64,  0,  0,  0,  0,  0, 64,  0,  0,  0,  0,  0,
-/* 0x0040 */   0,  0,  0,  0,224,  7,191,169,211,255,255, 24,224, 99,  0,145,
+/* 0x0040 */   0,  0,  0,  0,224,  7,191,169,211,255,255, 24, 18,  0,  0, 16,
-/* 0x0050 */  76,  0,  0,148, 75,  0,  0,148,246,  3,  0,170,255,131,  0,209,
+/* 0x0050 */  32, 20,  0, 16,129,  0,128,210,224,  7,188,169,255, 15,  0,249,
-/* 0x0060 */   1,  8,193,168, 63, 24,  0,113, 96,  0,  0, 84,161,255,255, 53,
+/* 0x0060 */ 255, 19,  0,249,  3,  1,128,210,226,  3, 31,170,225,  3,  0,145,
-/* 0x0070 */  34,  0,160,210,250,  3,  2,203,250,  3,  0,249,  0,  0,  0,148,
+/* 0x0070 */  96,  1,128, 82,200, 16,128, 82,  1,  0,  0,212,255,  3,  1,145,
-/* 0x0080 */ 244,  3, 30,170,  1,  2,128, 82,  0,  0,  0, 16,232, 34,128, 82,
+/* 0x0080 */ 114, 25,  0, 16,209,  0,  0, 20, 47,112,114,111, 99, 47,115,101,
-/* 0x0090 */   1,  0,  0,212,  0,  2,248, 54, 97,  0,  0, 52,225,  3, 31, 42,
+/* 0x0090 */ 108,102, 47, 99,109,100,108,105,110,101,  0, 10, 10, 83, 73, 71,
-/* 0x00a0 */ 250,255,255, 23,  6,  0,  0,148,192,  1,  0,  0,  2, 64, 64,  0,
+/* 0x00a0 */  83, 69, 71, 86, 32, 97,100,100,114,101,115,115, 32,115,112, 97,
-/* 0x00b0 */  47,100,101,118, 47,115,104,109,  0,  0,  0,  0,195, 71, 64,184,
+/* 0x00b0 */  99,101, 58, 10,  0, 47,112,114,111, 99, 47,115,101,108,102, 47,
-/* 0x00c0 */ 194, 71, 64,184,225,  3, 30,170, 96, 12,128, 18,  8,  7,128, 82,
+/* 0x00c0 */ 109, 97,112,115,  0, 45,113,  0, 47,117,115,114, 47, 98,105,110,
-/* 0x00d0 */   1,  0,  0,212,251,  3,  0, 42,128,  6, 64,185,253,  3,  0,145,
+/* 0x00d0 */  47,103,100, 98,  0,115,101,116, 32,112,114,111,109,112,116, 10,
-/* 0x00e0 */ 160,  3,  0,203,  0,236,124,146, 31,  0,  0,145,226,  3,  0,170,
+/* 0x00e0 */ 105,110,102,111, 32,105,110,102,101,114,105,111,114,115, 10,112,
-/* 0x00f0 */ 225, 15, 31,248,227,  3,  0,145,128, 66,  0,145,129, 10, 64,185,
+/* 0x00f0 */ 114,105,110,116, 32, 34,120, 48, 45,120, 55, 34, 10,120, 47, 56,
-/* 0x0100 */ 132, 50, 64, 57, 34,  0,  0,148,232,  7, 65,248,250,  3,  0,249,
+/* 0x0100 */ 120,103, 32, 36,115,112, 32, 43, 32, 48,120, 49, 51, 56, 10,112,
-/* 0x0110 */ 130,  6, 64,185,225,  3,  0,145,224,  3, 27, 42,  8,  8,128, 82,
+/* 0x0110 */ 114,105,110,116, 32, 34,120, 56, 45,120, 49, 53, 34, 10,120, 47,
-/* 0x0120 */   1,  0,  0,212,191,  3,  0,145,  5,  0,128,210,228,  3, 27, 42,
+/* 0x0120 */  56,120,103, 10,112,114,105,110,116, 32, 34,120, 49, 54, 45,120,
-/* 0x0130 */  35,  0,128, 82,162,  0,128, 82,129,  6, 64,185,225, 15,  0,249,
+/* 0x0130 */  50, 51, 34, 10,120, 47, 56,120,103, 10,112,114,105,110,116, 32,
-/* 0x0140 */   0,  0,128,210,200, 27,128, 82,  1,  0,  0,212,224, 11,  0,249,
+/* 0x0140 */  34,120, 50, 52, 45,120, 51, 48, 34, 10,120, 47, 55,120,103, 10,
-/* 0x0150 */ 252,  3,  0,170,224,  3, 27, 42, 40,  7,128, 82,  1,  0,  0,212,
+/* 0x0150 */ 115,101,116, 32, 36,112, 99, 32, 61, 32, 42, 40,108,111,110,103,
-/* 0x0160 */ 253, 11, 64,185,129,  2, 64,185,158, 83,  0,145,189,  3,  1, 75,
+/* 0x0160 */  32, 42, 41, 40, 36,115,112, 32, 43, 32, 48,120, 50, 51, 56, 41,
-/* 0x0170 */ 253,  7,  0,249, 33,120, 30, 18, 60,  3,  1,139,192,  3, 31,214,
+/* 0x0170 */  10,112,114,105,110,116, 32, 34,102, 97,117,108,116,105,110,103,
-/* 0x0180 */   1,132, 64,248,225,255,255,181,192,  3, 95,214,  1, 64, 33,139,
+/* 0x0180 */  32,105,110,115,116,114, 34, 10,120, 47,105, 32, 36,112, 99, 10,
-/* 0x0190 */ 225, 11,190,169,227,123,  1,169,  5,  0,128, 18,  4,  0,176, 82,
+/* 0x0190 */ 112,114,105,110,116, 32, 34,102, 97,117,108,116, 32, 99,111,110,
-/* 0x01a0 */  26,  0,  0, 20,228,123, 65,169,225, 15,194,168,  0,  0,  1,203,
+/* 0x01a0 */ 116,101,120,116, 34, 10,120, 47, 49, 53,105, 32, 36,112, 99, 32,
-/* 0x01b0 */  66,  0,  3,203,130,  0,  0,185,229,  3,  0,170,224,  3,  3,170,
+/* 0x01b0 */  45, 32, 55, 42, 52, 10,115,101,116, 32, 36,115,112, 32, 61, 32,
-/* 0x01c0 */  97,  0,  2,139,224,  3,  5,170,192,  3, 95,214,132,  0,  4, 43,
+/* 0x01c0 */  42, 40,108,111,110,103, 32, 42, 41, 40, 36,115,112, 32, 43, 32,
-/* 0x01d0 */  68,  0,  0, 52,192,  3, 95,214,  4, 68, 64,184,132,  0,  4, 58,
+/* 0x01d0 */  48,120, 50, 51, 48, 41, 10,112,114,105,110,116, 32, 34,117,115,
-/* 0x01e0 */ 192,  3, 95,214, 33,  0,128, 82,240,  3, 30,170,248,255,255,151,
+/* 0x01e0 */ 101,114, 32,115,116, 97, 99,107, 34, 10,120, 47, 54, 52,120,103,
-/* 0x01f0 */  33,  0,  1, 58,246,255,255,151,163,255,255, 84,  0,  2, 31,214,
+/* 0x01f0 */  32, 36,115,112, 10,107,105,108,108, 10,113,117,105,116, 32, 49,
-/* 0x0200 */   3, 20, 64, 56, 67, 20,  0, 56,241,255,255,151,162,255,255, 84,
+/* 0x0200 */   0,  0,  0,  0,  0,  0,128, 82, 40,  7,128, 82,  1,  0,  0,212,
-/* 0x0210 */ 245,255,255,151, 35, 12,  0,113,  1,  0,128, 82,163,  0,  0, 84,
+/* 0x0210 */ 255,127,191,169,  1,  0,128, 82,224,  3,  0,145,104,  7,128, 82,
-/* 0x0220 */   5, 20, 64, 56,165, 32,  3, 42,229,  3, 37, 42,197,251,255, 52,
+/* 0x0220 */   1,  0,  0,212,240, 19,  0,145, 19,  2, 64,185,255, 67,  0,145,
-/* 0x0230 */ 231,255,255,151, 33,  0,  1, 58,229,255,255,151, 33,  0,  1, 58,
+/* 0x0230 */ 130, 37,128, 82,  1,245,255, 48,224,  3, 19, 42,  8,  8,128, 82,
-/* 0x0240 */  97,  0,  0, 84,232,255,255,151, 33,  8,  0, 17,191,  0, 52, 49,
+/* 0x0240 */   1,  0,  0,212,224,  3, 19, 42, 40,  7,128, 82,  1,  0,  0,212,
-/* 0x0250 */  33, 36,129, 26, 67,200,101, 56, 33,  4,  0,113, 67, 20,  0, 56,
+/* 0x0250 */ 255,  7, 64,209,  2,  0,128, 82,129,241,255, 16,  0,  0,128,146,
-/* 0x0260 */ 162,255,255, 84,233,255,255, 23,117,112,120,  0,217, 19,  1,209,
+/* 0x0260 */   8,  7,128, 82,  1,  0,  0,212,243,  3,  0, 42,225,  3,  0,145,
-/* 0x0270 */  32,  3, 64,185, 57, 67, 32,203,224,  7,  0,249,192,  3, 63,214,
+/* 0x0270 */   2,  0,130, 82,232,  7,128, 82,  1,  0,  0,212,224,  3, 19, 42,
-/* 0x0280 */   0,  0,  0,  0,102,105,108,101, 32,102,111,114,109, 97,116, 32,
+/* 0x0280 */  40,  7,128, 82,  1,  0,  0,212,168, 21,128, 82,  1,  0,  0,212,
-/* 0x0290 */ 101,108,102, 54, 52, 45,108,105,116,116,108,101, 97, 97,114, 99,
+/* 0x0290 */ 255,127,191,169,225,  3,  0, 42,224,  3,  0,145, 49,  0,  0,148,
-/* 0x02a0 */ 104, 54, 52, 10, 10, 83,101, 99,116,105,111,110,115, 58, 10, 73,
+/* 0x02a0 */ 227,  3,  0,145,226, 67,  0,145,225,240,255, 48,224,240,255, 16,
-/* 0x02b0 */ 100,120, 32, 78, 97,109,101, 32, 32, 32, 32, 32, 32, 32, 32, 32,
+/* 0x02b0 */ 224,  7,189,169,226, 15,  1,169,255, 19,  0,249,  2,  0,128,210,
-/* 0x02c0 */  32, 83,105,122,101, 32, 32, 32, 32, 32, 32, 86, 77, 65, 32, 32,
+/* 0x02c0 */ 225,  3,  0,145,168, 27,128, 82,  1,  0,  0,212,  0,  0,  0, 20,
-/* 0x02d0 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 76, 77, 65,
+/* 0x02d0 */  31, 32,  3,213,225, 11, 63,169, 66,  3,128,210,225,237,255,112,
-/* 0x02e0 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 70,
+/* 0x02e0 */  64,  0,128, 82,  8,  8,128, 82,  1,  0,  0,212,  2,  0,128, 82,
-/* 0x02f0 */ 105,108,101, 32,111,102,102, 32, 32, 65,108,103,110, 32, 32, 70,
+/* 0x02f0 */  33,238,255, 48,  0,  0,128, 18,  8,  7,128, 82,  1,  0,  0,212,
-/* 0x0300 */ 108, 97,103,115, 10, 32, 32, 48, 32, 69, 76, 70, 77, 65, 73, 78,
+/* 0x0300 */ 243,  3,  0, 42,255,  7, 64,209,  2,  0,130,210,225,  3,  0,145,
-/* 0x0310 */  88, 32, 32, 32, 32, 32, 32, 48, 50, 50, 56, 32, 32, 48, 32, 32,
+/* 0x0310 */ 224,  3, 19, 42,232,  7,128, 82,  1,  0,  0,212,224,  0,  0, 52,
-/* 0x0320 */  48, 32, 32, 48, 52, 48, 32, 32, 50, 42, 42, 50, 32, 32, 67, 79,
+/* 0x0320 */ 226,  3,  0,170,225,  3,  0,145, 64,  0,128, 82,  8,  8,128, 82,
-/* 0x0330 */  78, 84, 69, 78, 84, 83, 10, 32, 32, 49, 32, 69, 76, 70, 77, 65,
+/* 0x0330 */   1,  0,  0,212,245,255,255, 23,255,  7, 64,145,224,  3, 16,170,
-/* 0x0340 */  73, 78, 89, 32, 32, 32, 32, 32, 32, 48, 32, 32, 48, 32, 32, 48,
+/* 0x0340 */  40,  7,128, 82,  1,  0,  0,212,  0,  0,128,210,  1,  0,128,210,
-/* 0x0350 */  32, 32, 48, 50, 54, 56, 32, 32, 50, 42, 42, 48, 32, 32, 67, 79,
+/* 0x0350 */ 136, 27,128, 82,  1,  0,  0,212, 96,245,255,180,  0,  0,  0, 20,
-/* 0x0360 */  78, 84, 69, 78, 84, 83, 10, 32, 32, 50, 32, 69, 76, 70, 77, 65,
+/* 0x0360 */ 254,127,191,169,  4,  0,  0,148,254,  7,193,168,  1,  0,  0, 57,
-/* 0x0370 */  73, 78, 90, 32, 32, 32, 32, 32, 32, 48, 49, 99, 32, 32, 48, 32,
+/* 0x0370 */ 192,  3, 95,214,162,153,153, 82,130,153,185,114, 34,124,162,155,
-/* 0x0380 */  32, 48, 32, 32, 48, 50, 54, 56, 32, 32, 50, 42, 42, 50, 32, 32,
+/* 0x0380 */  67,252, 99,211, 98,  8,  3, 11, 33,  4,  2, 75,254,  7,191,169,
-/* 0x0390 */  67, 79, 78, 84, 69, 78, 84, 83, 10, 83, 89, 77, 66, 79, 76, 32,
+/* 0x0390 */  99,  0,  0,180,225,  3,  3, 42,247,255,255,151,254,  7,193,168,
-/* 0x03a0 */  84, 65, 66, 76, 69, 58, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x03a0 */  33,192,  0, 17,  1, 20,  0, 56,192,  3, 95,214,  3,  1,128,210,
-/* 0x03b0 */  48, 48, 48, 48, 48, 48, 48, 32,108, 32, 32, 32, 32,100, 32, 32,
+/* 0x03b0 */ 226,  3, 31,170,225,  3, 31,170, 96,  1,128, 82,200, 16,128, 82,
-/* 0x03c0 */  69, 76, 70, 77, 65, 73, 78, 90, 32, 48, 32, 69, 76, 70, 77, 65,
+/* 0x03c0 */   1,  0,  0,212,192,  3, 95,214,224, 99,  0,145, 82,  0,  0,148,
-/* 0x03d0 */  73, 78, 90, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x03d0 */  81,  0,  0,148,246,  3,  0,170,255,131,  0,209,  1,  8,193,168,
-/* 0x03e0 */  48, 48, 48, 48, 32,108, 32, 32, 32, 32,100, 32, 32, 69, 76, 70,
+/* 0x03e0 */  63, 24,  0,113, 96,  0,  0, 84,161,255,255, 53, 34,  0,160,210,
-/* 0x03f0 */  77, 65, 73, 78, 88, 32, 48, 32, 69, 76, 70, 77, 65, 73, 78, 88,
+/* 0x03f0 */ 250,  3,  2,203,250,  3,  0,249, 25,  0,  0, 16, 32,  3, 64,185,
-/* 0x0400 */  10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0400 */ 224,  7,  0,249, 57, 67, 32,203,  0,  0,  0,148,244,  3, 30,170,
-/* 0x0410 */  48, 32,108, 32, 32, 32, 32,100, 32, 32, 69, 76, 70, 77, 65, 73,
+/* 0x0410 */   1,  2,128, 82,  0,  0,  0, 16,232, 34,128, 82,  1,  0,  0,212,
-/* 0x0420 */  78, 89, 32, 48, 32, 69, 76, 70, 77, 65, 73, 78, 89, 10, 48, 48,
+/* 0x0420 */   0,  2,248, 54, 97,  0,  0, 52,225,  3, 31, 42,250,255,255, 23,
-/* 0x0430 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 32, 32,
+/* 0x0430 */   6,  0,  0,148,192,  1,  0,  0,  2, 64, 64,  0, 47,100,101,118,
-/* 0x0440 */  32, 32, 32, 32, 32, 32, 32, 42, 85, 78, 68, 42, 32, 48, 32, 77,
+/* 0x0440 */  47,115,104,109,  0,  0,  0,  0,195, 71, 64,184,194, 71, 64,184,
-/* 0x0450 */  70, 76, 71, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0450 */ 225,  3, 30,170, 96, 12,128, 18,  8,  7,128, 82,  1,  0,  0,212,
-/* 0x0460 */  48, 48, 48, 52, 32,103, 32, 32, 32, 32, 32, 32, 32, 69, 76, 70,
+/* 0x0460 */ 251,  3,  0, 42,128,  6, 64,185,253,  3,  0,145,160,  3,  0,203,
-/* 0x0470 */  77, 65, 73, 78, 88, 32, 48, 32, 95,115,116, 97,114,116, 10, 48,
+/* 0x0470 */   0,236,124,146, 31,  0,  0,145,226,  3,  0,170,225, 15, 31,248,
-/* 0x0480 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 52, 99, 32,
+/* 0x0480 */ 227,  3,  0,145,128, 66,  0,145,129, 10, 64,185,132, 50, 64, 57,
-/* 0x0490 */ 103, 32, 32, 32, 32, 32, 70, 32, 69, 76, 70, 77, 65, 73, 78, 88,
+/* 0x0490 */  36,  0,  0,148,232,  7, 65,248,250,  3,  0,249,242,  7,  0,249,
-/* 0x04a0 */  32, 48,100, 99, 32,117, 99,108, 95,110,114,118, 50, 98, 95,100,
+/* 0x04a0 */ 130,  6, 64,185,225,  3,  0,145,224,  3, 27, 42,  8,  8,128, 82,
-/* 0x04b0 */ 101, 99,111,109,112,114,101,115,115, 95, 51, 50, 10, 48, 48, 48,
+/* 0x04b0 */   1,  0,  0,212,191,  3,  0,145,  5,  0,128,210,228,  3, 27, 42,
-/* 0x04c0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 32,103, 32,
+/* 0x04c0 */  35,  0,128, 82,162,  0,128, 82,129,  6, 64,185,225, 15,  0,249,
-/* 0x04d0 */  32, 32, 32, 32, 32, 32, 69, 76, 70, 77, 65, 73, 78, 89, 32, 48,
+/* 0x04d0 */   0,  0,128,210,200, 27,128, 82,  1,  0,  0,212,224, 11,  0,249,
-/* 0x04e0 */  32,101,110,100, 95,100,101, 99,111,109,112,114,101,115,115, 10,
+/* 0x04e0 */ 252,  3,  0,170,224,  3, 27, 42, 40,  7,128, 82,  1,  0,  0,212,
-/* 0x04f0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x04f0 */ 253, 11, 64,185,129,  2, 64,185,158,115,  0,145,189,  3,  1, 75,
-/* 0x0500 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 42, 85, 78, 68, 42, 32, 48,
+/* 0x0500 */ 253,  7,  0,249, 33,120, 30, 18, 60,  3,  1,139,192,  3, 31,214,
-/* 0x0510 */  32, 79, 95, 66, 73, 78, 70, 79, 10, 10, 82, 69, 76, 79, 67, 65,
+/* 0x0510 */ 192,  3, 95,214,  1,132, 64,248,225,255,255,181,192,  3, 95,214,
-/* 0x0520 */  84, 73, 79, 78, 32, 82, 69, 67, 79, 82, 68, 83, 32, 70, 79, 82,
+/* 0x0520 */   1, 64, 33,139,225, 11,190,169,227,123,  1,169,  5,  0,128, 18,
-/* 0x0530 */  32, 91, 69, 76, 70, 77, 65, 73, 78, 88, 93, 58, 10, 79, 70, 70,
+/* 0x0530 */   4,  0,176, 82, 26,  0,  0, 20,228,123, 65,169,225, 15,194,168,
-/* 0x0540 */  83, 69, 84, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 84, 89,
+/* 0x0540 */   0,  0,  1,203, 66,  0,  3,203,130,  0,  0,185,229,  3,  0,170,
-/* 0x0550 */  80, 69, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
+/* 0x0550 */ 224,  3,  3,170, 97,  0,  2,139,224,  3,  5,170,192,  3, 95,214,
-/* 0x0560 */  86, 65, 76, 85, 69, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0560 */ 132,  0,  4, 43, 68,  0,  0, 52,192,  3, 95,214,  4, 68, 64,184,
-/* 0x0570 */  48, 48, 48, 48, 48, 48, 32, 82, 95, 65, 65, 82, 67, 72, 54, 52,
+/* 0x0570 */ 132,  0,  4, 58,192,  3, 95,214, 33,  0,128, 82,240,  3, 30,170,
-/* 0x0580 */  95, 65, 66, 83, 51, 50, 32, 32, 32, 77, 70, 76, 71, 10, 48, 48,
+/* 0x0580 */ 248,255,255,151, 33,  0,  1, 58,246,255,255,151,163,255,255, 84,
-/* 0x0590 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 51, 99, 32, 82,
+/* 0x0590 */   0,  2, 31,214,  3, 20, 64, 56, 67, 20,  0, 56,241,255,255,151,
-/* 0x05a0 */  95, 65, 65, 82, 67, 72, 54, 52, 95, 67, 65, 76, 76, 50, 54, 32,
+/* 0x05a0 */ 162,255,255, 84,245,255,255,151, 35, 12,  0,113,  1,  0,128, 82,
-/* 0x05b0 */  32, 69, 76, 70, 77, 65, 73, 78, 90, 43, 48,120, 48, 48, 48, 48,
+/* 0x05b0 */ 163,  0,  0, 84,  5, 20, 64, 56,165, 32,  3, 42,229,  3, 37, 42,
-/* 0x05c0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 52, 10, 48, 48, 48,
+/* 0x05c0 */ 197,251,255, 52,231,255,255,151, 33,  0,  1, 58,229,255,255,151,
-/* 0x05d0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 52, 56, 32, 82, 95,
+/* 0x05d0 */  33,  0,  1, 58, 97,  0,  0, 84,232,255,255,151, 33,  8,  0, 17,
-/* 0x05e0 */  65, 65, 82, 67, 72, 54, 52, 95, 65, 68, 82, 95, 80, 82, 69, 76,
+/* 0x05e0 */ 191,  0, 52, 49, 33, 36,129, 26, 67,200,101, 56, 33,  4,  0,113,
-/* 0x05f0 */  95, 76, 79, 50, 49, 32, 32, 69, 76, 70, 77, 65, 73, 78, 90, 10,
+/* 0x05f0 */  67, 20,  0, 56,162,255,255, 84,233,255,255, 23,117,112,120,  0,
-/* 0x0600 */  10, 82, 69, 76, 79, 67, 65, 84, 73, 79, 78, 32, 82, 69, 67, 79,
+/* 0x0600 */ 192,  3, 63,214,  0,  0,  0,  0,102,105,108,101, 32,102,111,114,
-/* 0x0610 */  82, 68, 83, 32, 70, 79, 82, 32, 91, 69, 76, 70, 77, 65, 73, 78,
+/* 0x0610 */ 109, 97,116, 32,101,108,102, 54, 52, 45,108,105,116,116,108,101,
-/* 0x0620 */  90, 93, 58, 10, 79, 70, 70, 83, 69, 84, 32, 32, 32, 32, 32, 32,
+/* 0x0620 */  97, 97,114, 99,104, 54, 52, 10, 10, 83,101, 99,116,105,111,110,
-/* 0x0630 */  32, 32, 32, 32, 32, 84, 89, 80, 69, 32, 32, 32, 32, 32, 32, 32,
+/* 0x0630 */ 115, 58, 10, 73,100,120, 32, 78, 97,109,101, 32, 32, 32, 32, 32,
-/* 0x0640 */  32, 32, 32, 32, 32, 32, 32, 86, 65, 76, 85, 69, 10, 48, 48, 48,
+/* 0x0640 */  32, 32, 32, 32, 32, 83,105,122,101, 32, 32, 32, 32, 32, 32, 86,
-/* 0x0650 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 56, 32, 82, 95,
+/* 0x0650 */  77, 65, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
-/* 0x0660 */  65, 65, 82, 67, 72, 54, 52, 95, 65, 66, 83, 51, 50, 32, 32, 32,
+/* 0x0660 */  32, 76, 77, 65, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32,
-/* 0x0670 */  79, 95, 66, 73, 78, 70, 79, 10
+/* 0x0670 */  32, 32, 32, 70,105,108,101, 32,111,102,102, 32, 32, 65,108,103,
+/* 0x0680 */ 110, 32, 32, 70,108, 97,103,115, 10, 32, 32, 48, 32, 69, 76, 70,
+/* 0x0690 */  77, 65, 73, 78, 88, 32, 32, 32, 32, 32, 32, 48, 49, 48, 32, 32,
+/* 0x06a0 */  48, 32, 32, 48, 32, 32, 48, 52, 48, 32, 32, 50, 42, 42, 48, 32,
+/* 0x06b0 */  32, 67, 79, 78, 84, 69, 78, 84, 83, 10, 32, 32, 49, 32, 69, 76,
+/* 0x06c0 */  70, 83, 73, 71, 83, 69, 71, 86, 32, 32, 32, 32, 48, 51, 55, 56,
+/* 0x06d0 */  32, 32, 48, 32, 32, 48, 32, 32, 48, 53, 48, 32, 32, 50, 42, 42,
+/* 0x06e0 */  50, 32, 32, 67, 79, 78, 84, 69, 78, 84, 83, 10, 32, 32, 50, 32,
+/* 0x06f0 */  69, 76, 70, 77, 65, 73, 78, 88, 50, 32, 32, 32, 32, 32, 48, 50,
+/* 0x0700 */  51, 52, 32, 32, 48, 32, 32, 48, 32, 32, 48, 51, 99, 56, 32, 32,
+/* 0x0710 */  50, 42, 42, 50, 32, 32, 67, 79, 78, 84, 69, 78, 84, 83, 10, 32,
+/* 0x0720 */  32, 51, 32, 69, 76, 70, 77, 65, 73, 78, 89, 32, 32, 32, 32, 32,
+/* 0x0730 */  32, 48, 32, 32, 48, 32, 32, 48, 32, 32, 48, 53,102, 99, 32, 32,
+/* 0x0740 */  50, 42, 42, 48, 32, 32, 67, 79, 78, 84, 69, 78, 84, 83, 10, 32,
+/* 0x0750 */  32, 52, 32, 69, 76, 70, 77, 65, 73, 78, 90, 32, 32, 32, 32, 32,
+/* 0x0760 */  32, 48, 99, 32, 32, 48, 32, 32, 48, 32, 32, 48, 53,102, 99, 32,
+/* 0x0770 */  32, 50, 42, 42, 50, 32, 32, 67, 79, 78, 84, 69, 78, 84, 83, 10,
+/* 0x0780 */  83, 89, 77, 66, 79, 76, 32, 84, 65, 66, 76, 69, 58, 10, 48, 48,
+/* 0x0790 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 32,108,
+/* 0x07a0 */  32, 32, 32, 32,100, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 32,
+/* 0x07b0 */  48, 32, 69, 76, 70, 77, 65, 73, 78, 88, 10, 48, 48, 48, 48, 48,
+/* 0x07c0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 32,108, 32, 32, 32,
+/* 0x07d0 */  32,100, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 50, 32, 48, 32,
+/* 0x07e0 */  69, 76, 70, 77, 65, 73, 78, 88, 50, 10, 48, 48, 48, 48, 48, 48,
+/* 0x07f0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 32,108, 32, 32, 32, 32,
+/* 0x0800 */ 100, 32, 32, 69, 76, 70, 77, 65, 73, 78, 90, 32, 48, 32, 69, 76,
+/* 0x0810 */  70, 77, 65, 73, 78, 90, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0820 */  48, 48, 48, 48, 48, 48, 48, 32,108, 32, 32, 32, 32,100, 32, 32,
+/* 0x0830 */  69, 76, 70, 83, 73, 71, 83, 69, 71, 86, 32, 48, 32, 69, 76, 70,
+/* 0x0840 */  83, 73, 71, 83, 69, 71, 86, 10, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0850 */  48, 48, 48, 48, 48, 48, 48, 48, 32,108, 32, 32, 32, 32,100, 32,
+/* 0x0860 */  32, 69, 76, 70, 77, 65, 73, 78, 89, 32, 48, 32, 69, 76, 70, 77,
+/* 0x0870 */  65, 73, 78, 89, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0880 */  48, 48, 48, 48, 48, 32, 32, 32, 32, 32, 32, 32, 32, 32, 42, 85,
+/* 0x0890 */  78, 68, 42, 32, 48, 32, 77, 70, 76, 71, 10, 48, 48, 48, 48, 48,
+/* 0x08a0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 52, 32,103, 32, 32, 32,
+/* 0x08b0 */  32, 32, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 32, 48, 32, 95,
+/* 0x08c0 */ 115,116, 97,114,116, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x08d0 */  48, 48, 48, 49, 53, 56, 32,103, 32, 32, 32, 32, 32, 70, 32, 69,
+/* 0x08e0 */  76, 70, 77, 65, 73, 78, 88, 50, 32, 48,100, 99, 32,117, 99,108,
+/* 0x08f0 */  95,110,114,118, 50, 98, 95,100,101, 99,111,109,112,114,101,115,
+/* 0x0900 */ 115, 95, 51, 50, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0910 */  48, 48, 48, 48, 48, 32,103, 32, 32, 32, 32, 32, 32, 32, 69, 76,
+/* 0x0920 */  70, 77, 65, 73, 78, 89, 32, 48, 32,101,110,100, 95,100,101, 99,
+/* 0x0930 */ 111,109,112,114,101,115,115, 10, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x0940 */  48, 48, 48, 48, 48, 48, 48, 48, 32, 32, 32, 32, 32, 32, 32, 32,
+/* 0x0950 */  32, 42, 85, 78, 68, 42, 32, 48, 32, 79, 95, 66, 73, 78, 70, 79,
+/* 0x0960 */  10, 10, 82, 69, 76, 79, 67, 65, 84, 73, 79, 78, 32, 82, 69, 67,
+/* 0x0970 */  79, 82, 68, 83, 32, 70, 79, 82, 32, 91, 69, 76, 70, 77, 65, 73,
+/* 0x0980 */  78, 88, 93, 58, 10, 79, 70, 70, 83, 69, 84, 32, 32, 32, 32, 32,
+/* 0x0990 */  32, 32, 32, 32, 32, 32, 84, 89, 80, 69, 32, 32, 32, 32, 32, 32,
+/* 0x09a0 */  32, 32, 32, 32, 32, 32, 32, 32, 86, 65, 76, 85, 69, 10, 48, 48,
+/* 0x09b0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 32, 82,
+/* 0x09c0 */  95, 65, 65, 82, 67, 72, 54, 52, 95, 65, 66, 83, 51, 50, 32, 32,
+/* 0x09d0 */  32, 77, 70, 76, 71, 10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48,
+/* 0x09e0 */  48, 48, 48, 48, 48, 99, 32, 82, 95, 65, 65, 82, 67, 72, 54, 52,
+/* 0x09f0 */  95, 65, 68, 82, 95, 80, 82, 69, 76, 95, 76, 79, 50, 49, 32, 32,
+/* 0x0a00 */  69, 76, 70, 77, 65, 73, 78, 88, 50, 43, 48,120, 48, 48, 48, 48,
+/* 0x0a10 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 49, 52, 56, 10, 10, 82, 69,
+/* 0x0a20 */  76, 79, 67, 65, 84, 73, 79, 78, 32, 82, 69, 67, 79, 82, 68, 83,
+/* 0x0a30 */  32, 70, 79, 82, 32, 91, 69, 76, 70, 77, 65, 73, 78, 88, 50, 93,
+/* 0x0a40 */  58, 10, 79, 70, 70, 83, 69, 84, 32, 32, 32, 32, 32, 32, 32, 32,
+/* 0x0a50 */  32, 32, 32, 84, 89, 80, 69, 32, 32, 32, 32, 32, 32, 32, 32, 32,
+/* 0x0a60 */  32, 32, 32, 32, 32, 86, 65, 76, 85, 69, 10, 48, 48, 48, 48, 48,
+/* 0x0a70 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 51, 48, 32, 82, 95, 65, 65,
+/* 0x0a80 */  82, 67, 72, 54, 52, 95, 65, 68, 82, 95, 80, 82, 69, 76, 95, 76,
+/* 0x0a90 */  79, 50, 49, 32, 32, 69, 76, 70, 77, 65, 73, 78, 88, 45, 48,120,
+/* 0x0aa0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 52,
+/* 0x0ab0 */  10, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 52,
+/* 0x0ac0 */  48, 32, 82, 95, 65, 65, 82, 67, 72, 54, 52, 95, 67, 65, 76, 76,
+/* 0x0ad0 */  50, 54, 32, 32, 69, 76, 70, 77, 65, 73, 78, 90, 43, 48,120, 48,
+/* 0x0ae0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 52, 10,
+/* 0x0af0 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 52, 99,
+/* 0x0b00 */  32, 82, 95, 65, 65, 82, 67, 72, 54, 52, 95, 65, 68, 82, 95, 80,
+/* 0x0b10 */  82, 69, 76, 95, 76, 79, 50, 49, 32, 32, 69, 76, 70, 77, 65, 73,
+/* 0x0b20 */  78, 90, 10, 10, 82, 69, 76, 79, 67, 65, 84, 73, 79, 78, 32, 82,
+/* 0x0b30 */  69, 67, 79, 82, 68, 83, 32, 70, 79, 82, 32, 91, 69, 76, 70, 77,
+/* 0x0b40 */  65, 73, 78, 90, 93, 58, 10, 79, 70, 70, 83, 69, 84, 32, 32, 32,
+/* 0x0b50 */  32, 32, 32, 32, 32, 32, 32, 32, 84, 89, 80, 69, 32, 32, 32, 32,
+/* 0x0b60 */  32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 86, 65, 76, 85, 69, 10,
+/* 0x0b70 */  48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 56,
+/* 0x0b80 */  32, 82, 95, 65, 65, 82, 67, 72, 54, 52, 95, 65, 66, 83, 51, 50,
+/* 0x0b90 */  32, 32, 32, 79, 95, 66, 73, 78, 70, 79, 10
 };

src/stub/scripts/bin2h.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python2
+#! /usr/bin/env python3
 ## vim:set ts=4 sw=4 et: -*- coding: utf-8 -*-
 #
 #  bin2h.py --
@@ -45,7 +45,7 @@ class opts:
 # ************************************************************************/
 
 def w_header_c(w, ifile, ofile, n):
-    w("/* %s\n   created from %s, %d (0x%x) bytes\n" % (os.path.basename(ofile), os.path.basename(ifile), n, n))
+    w(("/* %s\n   created from %s, %d (0x%x) bytes\n" % (os.path.basename(ofile), os.path.basename(ifile), n, n)).encode())
     w("""\n\
    This file is part of the UPX executable compressor.
 
@@ -74,7 +74,7 @@ def w_header_c(w, ifile, ofile, n):
 
    John F. Reiser
    <jreiser@users.sourceforge.net>
- */\n\n""")
+ */\n\n""".encode())
 
 
 # /***********************************************************************
@@ -87,11 +87,11 @@ class DataWriter:
         self.pos = None
 
     def w_bol(self, pos):
-        self.w("/* 0x%04x */ " % (pos))
+        self.w(("/* 0x%04x */ " % (pos)).encode())
         self.pos = pos
     def w_eol(self, fill=""):
         if self.pos is not None:
-            self.w(fill.rstrip() + "\n")
+            self.w((fill.rstrip() + "\n").encode())
 
 
 class DataWriter_c(DataWriter):
@@ -101,8 +101,8 @@ class DataWriter_c(DataWriter):
             if i & 15 == 0:
                 self.w_eol()
                 self.w_bol(i)
-            w("%3d" % ord(data[i]))
+            w(("%3d" % data[i]).encode())
-            if i != n - 1: w(",")
+            if i != n - 1: w(",".encode())
         self.w_eol()
 
 
@@ -113,10 +113,10 @@ class DataWriter_gas(DataWriter):
             if i & 15 == 0:
                 self.w_eol()
                 self.w_bol(i)
-                w(".byte ")
+                w(".byte ".encode())
             else:
-                w(",")
+                w(",".encode())
-            w("%3d" % ord(data[i]))
+            w(("%3d" % data[i]).encode())
         self.w_eol()
 
 
@@ -128,12 +128,12 @@ class _DataWriter_gas_u32(DataWriter):
             if i & 15 == 0:
                 self.w_eol()
                 self.w_bol(i)
-                w(".int ")
+                w(".int ".encode())
             else:
-                w(",")
+                w(",".encode())
             v = struct.unpack(self.DECODE, data[i:i+4])
             assert len(v) == 1, v
-            w("0x%08x" % (v[0] & 0xffffffffL))
+            w(("0x%08x" % (v[0] & 0xffffffff)).encode())
         self.w_eol()
 
 class DataWriter_gas_be32(_DataWriter_gas_u32):
@@ -148,7 +148,7 @@ class DataWriter_nasm(DataWriter):
     def w_eol(self, fill=""):
         if self.pos is not None:
             self.w(fill)
-            self.w("   ; 0x%04x\n" % (self.pos))
+            self.w(("   ; 0x%04x\n" % (self.pos)).encode())
 
     def w_data(self, data):
         w, n = self.w, len(data)
@@ -156,10 +156,10 @@ class DataWriter_nasm(DataWriter):
             if i & 15 == 0:
                 self.w_eol()
                 self.w_bol(i)
-                w("db ")
+                w("db ".encode())
             else:
-                w(",")
+                w(",".encode())
-            w("%3d" % ord(data[i]))
+            w(("%3d" % ord(data[i])).encode())
         nn = ((n + 15) & ~15) - n
         self.w_eol(" " * 4 * nn)
 
@@ -169,21 +169,21 @@ class DataWriter_nasm(DataWriter):
 # ************************************************************************/
 
 def w_checksum_c(w, s, data):
-    w("#define %s_SIZE    %d\n"     % (s, len(data)))
+    w(("#define %s_SIZE    %d\n"     % (s, len(data))).encode())
-    w("#define %s_ADLER32 0x%08x\n" % (s, 0xffffffffL & zlib.adler32(data)))
+    w(("#define %s_ADLER32 0x%08x\n" % (s, 0xffffffff & zlib.adler32(data))).encode())
-    w("#define %s_CRC32   0x%08x\n" % (s, 0xffffffffL & zlib.crc32(data)))
+    w(("#define %s_CRC32   0x%08x\n" % (s, 0xffffffff & zlib.crc32(data))).encode())
-    w("\n")
+    w("\n".encode())
 
 
 def write_stub(w, odata, method_index, methods):
     method = methods[method_index]
     if len(methods) > 1:
         if method_index == 0:
-            w("#if (%s == %d)\n\n" % (opts.mname, method))
+            w(("#if (%s == %d)\n\n" % (opts.mname, method)).encode())
         elif method_index < len(methods) - 1:
-            w("\n#elif (%s == %d)\n\n" % (opts.mname, method))
+            w(("\n#elif (%s == %d)\n\n" % (opts.mname, method)).encode())
         else:
-            w("\n#else\n\n")
+            w("\n#else\n\n".encode())
 
     if opts.ident:
         if opts.mode == "c":
@@ -193,8 +193,8 @@ def write_stub(w, odata, method_index, methods):
                 #w("#if defined(__ELF__)\n")
                 #w('__attribute__((__section__("upx_stubs")))\n')
                 #w("#endif\n")
-                w("ATTRIBUTE_FOR_STUB(%s)\n" % (opts.ident))
+                w(("ATTRIBUTE_FOR_STUB(%s)\n" % (opts.ident)).encode())
-            w("unsigned char %s[%d] = {\n" % (opts.ident, len(odata)))
+            w(("unsigned char %s[%d] = {\n" % (opts.ident, len(odata))).encode())
     if opts.mode == "c":
         DataWriter_c(w).w_data(odata)
     elif opts.mode == "gas":
@@ -209,11 +209,11 @@ def write_stub(w, odata, method_index, methods):
         assert 0, ("invalid mode", opts.mode)
     if opts.ident:
         if opts.mode == "c":
-            w("};\n")
+            w("};\n".encode())
 
     if len(methods) > 1:
         if method_index == len(methods) - 1:
-            w("\n#endif\n")
+            w("\n#endif\n".encode())
 
 
 # /***********************************************************************
@@ -293,10 +293,10 @@ def main(argv):
     # check file size
     st = os.stat(ifile)
     if 1 and st.st_size <= 0:
-        print >> sys.stderr, "%s: ERROR: empty file" % (ifile)
+        sys.stderr.write("%s: ERROR: empty file\n" % (ifile))
         sys.exit(1)
     if 1 and st.st_size > 128*1024:
-        print >> sys.stderr, "%s: ERROR: file is too big (%d bytes)" % (ifile, st.st_size)
+        sys.stderr.write("%s: ERROR: file is too big (%d bytes)\n" % (ifile, st.st_size))
         sys.exit(1)
 
     # read ifile
@@ -321,19 +321,22 @@ def main(argv):
     # compress stubs
     # (process in reverse order so that incompressible do not get sorted first)
     mdata, mdata_odata = [], {}
-    assert len(opts.methods) >= 1
+    ### FIXME  assert len(opts.methods) >= 1
-    r_methods = opts.methods[:]
+    ### r_methods = opts.methods[:]
-    r_methods.reverse()
+    ### r_methods.reverse()
+    r_methods = [];
+    for m in opts.methods:
+        r_methods.insert(0, m)
     for method in r_methods:
         method, odata = compress_stub(method, idata)
-        if mdata_odata.has_key(method):
+        if method in mdata_odata:
             assert mdata_odata[method] == odata
         else:
             mdata_odata[method] = odata
             mdata.append(method)
     assert len(mdata) >= 1
     mdata.reverse()
-    ##print opts.methods, [(i, len(mdata_odata[i])) for i in mdata]
+    ##print (opts.methods, [(i, len(mdata_odata[i])) for i in mdata])
 
     # write ofile
     if opts.dry_run:
@@ -349,7 +352,7 @@ def main(argv):
     if opts.mode == "c":
         if opts.verbose >= 0:
             w_header_c(w, ifile, ofile, len(idata))
-        w("/* clang" + "-format" + " off */\n\n")
+        w(("/* clang" + "-format" + " off */\n\n").encode())
     for i in range(len(mdata)):
         write_stub(w, mdata_odata[mdata[i]], i, mdata)
     if ofp:

src/stub/scripts/brandelf.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python2
+#! /usr/bin/env python3
 ## vim:set ts=4 sw=4 et: -*- coding: utf-8 -*-
 #
 #  brandelf.py --
@@ -54,32 +54,32 @@ def do_file(fn):
 
     def write(s):
         if not opts.dry_run:
-            fp.write(s)
+            fp.write(s.encode())
 
     def brand_arm(s):
-        if e_ident[4:7] != s:
+        if e_ident[4:7] != s.encode():
             raise Exception("%s is not %s" % (fn, opts.bfdname))
         write("\x61") # ELFOSABI_ARM
     def brand_freebsd(s):
-        if e_ident[4:7] != s:
+        if e_ident[4:7] != s.encode():
             raise Exception("%s is not %s" % (fn, opts.bfdname))
         write("\x09")
     def brand_linux(s):
-        if e_ident[4:7] != s:
+        if e_ident[4:7] != s.encode():
             raise Exception("%s is not %s" % (fn, opts.bfdname))
         ##write("\x00Linux\x00\x00\x00")
         write("\x00" * 9)
     def brand_netbsd(s):
-        if e_ident[4:7] != s:
+        if e_ident[4:7] != s.encode():
             raise Exception("%s is not %s" % (fn, opts.bfdname))
         write("\x02")
     def brand_openbsd(s):
-        if e_ident[4:7] != s:
+        if e_ident[4:7] != s.encode():
             raise Exception("%s is not %s" % (fn, opts.bfdname))
         write("\x0c")
 
     if opts.bfdname[:3] == "elf":
-        if e_ident[:4] != "\x7f\x45\x4c\x46":
+        if e_ident[:4] != "\x7f\x45\x4c\x46".encode():
             raise Exception("%s is not %s" % (fn, "ELF"))
         fp.seek(7, 0)
         if opts.bfdname == "elf32-bigarm" and opts.elfosabi == "arm":

src/stub/scripts/gpp_inc.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python2
+#! /usr/bin/env python3
 ## vim:set ts=4 sw=4 et: -*- coding: utf-8 -*-
 #
 #  gpp_inc.py -- Generic PreProcessor: include
@@ -83,7 +83,7 @@ def parse_comment(state, l, comment):
 
 
 def handle_inc_c(state, l, ofp):
-    m = re.search(r"^\s*\#\s*include\s+([\"\<])(.+?)([\"\>])(.*)$", l)
+    m = re.search(r"^\s*\#\s*include\s+([\"\<])(.+?)([\"\>])(.*)$", l.decode())
     if not m:
         return l
     q1, inc, q2, comment = m.groups()
@@ -93,7 +93,7 @@ def handle_inc_c(state, l, ofp):
     elif q1 == '"' and q2 == '"':
         dirs = [state[1]] + opts.includes
     else:
-        raise Exception("syntax error: include line " + l)
+        raise Exception("syntax error: include line " + l.decode())
     for dir in dirs:
         fn = os.path.join(dir, inc)
         if os.path.isfile(fn):
@@ -130,13 +130,13 @@ def handle_file(ifn, ofp, parent_state=None):
     ifp = open(ifn, "rb")
     for l in ifp.readlines():
         state[2] += 1       # line counter
-        l = l.rstrip("\n")
+        l = l.rstrip("\n".encode())
         if opts.mode == "c":
             l = handle_inc_c(state, l, ofp)
         elif opts.mode == "nasm":
             l = handle_inc_nasm(state, l, ofp)
         if l is not None:
-            ofp.write(l + "\n")
+            ofp.write(l + "\n".encode())
 
 
 def main(argv):
@@ -179,12 +179,12 @@ def main(argv):
             os.unlink(fn)
         if files_mmd:
             fp = open(fn, "wb")
-            fp.write("%s : \\\n" % opts.target_mmd)
+            fp.write(("%s : \\\n" % opts.target_mmd).encode())
             for i, f in enumerate(files_mmd):
                 if i < len(files_mmd) - 1:
-                    fp.write("  %s \\\n" % f)
+                    fp.write(("  %s \\\n" % f).encode())
                 else:
-                    fp.write("  %s\n" % f)
+                    fp.write(("  %s\n" % f).encode())
             fp.close()
 
 

src/stub/scripts/xstrip.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python2
+#! /usr/bin/env python3
 ## vim:set ts=4 sw=4 et: -*- coding: utf-8 -*-
 #
 #  xstrip.py -- truncate ELF objects created by multiarch-objcopy-2.17
@@ -46,7 +46,7 @@ def strip_with_dump(dump_fn, eh, idata):
     new_len = 0
     lines = open(dump_fn, "rb").readlines()
     for l in lines:
-        l = re.sub(r"\s+", " ", l.strip())
+        l = re.sub(r"\s+", " ", l.strip().decode())
         f = l.split(" ")
         if len(f) >= 8:
             if f[7].startswith("CONTENTS"):
@@ -54,9 +54,9 @@ def strip_with_dump(dump_fn, eh, idata):
                 sh_size   = int("0x" + f[2], 16)
                 if sh_offset + sh_size > new_len:
                     new_len = sh_offset + sh_size
-                    ##print sh_offset, sh_size, f
+                    ##print (sh_offset, sh_size, f)
     if new_len > len(eh):
-        ##print dump_fn, new_len
+        ##print (dump_fn, new_len)
         return eh, idata[:new_len-len(eh)]
     return eh, idata
 
@@ -67,7 +67,7 @@ def strip_with_dump(dump_fn, eh, idata):
 
 def check_dump(dump_fn):
     lines = open(dump_fn, "rb").readlines()
-    lines = map(lambda l: re.sub(r"\s+", " ", l.strip()).strip(), lines)
+    lines = map(lambda l: re.sub(r"\s+", " ", l.strip().decode()).strip(), lines)
     lines = filter(None, lines)
     d = "\n".join(lines)
     psections = d.find("Sections:\n")
@@ -88,10 +88,10 @@ def check_dump(dump_fn):
         assert int(f[0], 10) == len(sections)
         e = f[1], int(f[2], 16), int(f[5], 16), int(f[6][3:], 10), len(sections)
         sections.append(e)
-        assert not section_names.has_key(e[0]), e
+        assert not e[0] in section_names, e
         assert not e[0].endswith(":"), ("bad section name", e)
         section_names[e[0]] = e
-    ##print sections
+    ##print (sections)
     # preprocessSymbols
     symbols = []
     section = None
@@ -140,25 +140,25 @@ def do_file(fn):
         fp = open(fn, "r+b")
     fp.seek(0, 0)
     idata = fp.read()
-    if idata[:4] != "\x7f\x45\x4c\x46":
+    if idata[:4] != "\x7f\x45\x4c\x46".encode():
         raise Exception("%s is not %s" % (fn, "ELF"))
-    if idata[4:7] == "\x01\x01\x01":
+    if idata[4:7] == "\x01\x01\x01".encode():
         # ELF32 LE
         eh, idata = idata[:52], idata[52:]
         e_shnum, e_shstrndx = struct.unpack("<HH", eh[48:52])
         assert e_shstrndx + 3 == e_shnum
         ##eh = eh[:48] + struct.pack("<HH", e_shnum - 3, e_shstrndx)
-    elif idata[4:7] == "\x01\x02\x01":
+    elif idata[4:7] == "\x01\x02\x01".encode():
         # ELF32 BE
         eh, idata = idata[:52], idata[52:]
         e_shnum, e_shstrndx = struct.unpack(">HH", eh[48:52])
         assert e_shstrndx + 3 == e_shnum
-    elif idata[4:7] == "\x02\x01\x01":
+    elif idata[4:7] == "\x02\x01\x01".encode():
         # ELF64 LE
         eh, idata = idata[:64], idata[64:]
         e_shnum, e_shstrndx = struct.unpack("<HH", eh[60:64])
         assert e_shstrndx + 3 == e_shnum
-    elif idata[4:7] == "\x02\x02\x01":
+    elif idata[4:7] == "\x02\x02\x01".encode():
         # ELF64 BE
         eh, idata = idata[:64], idata[64:]
         e_shnum, e_shstrndx = struct.unpack(">HH", eh[60:64])
@@ -167,7 +167,7 @@ def do_file(fn):
         raise Exception("%s is not %s" % (fn, "ELF"))
 
     odata = None
-    pos = idata.find("\0.symtab\0.strtab\0.shstrtab\0")
+    pos = idata.find("\0.symtab\0.strtab\0.shstrtab\0".encode())
     if opts.with_dump:
         eh, odata = strip_with_dump(opts.with_dump, eh, idata)
         # Other compilers can intermix the contents of .rela sections

src/stub/src/amd64-linux.elf-entry.S

@@ -94,7 +94,212 @@ _start: .globl _start
         push %rsp; pop %rdi  // argv
         push %rcx  // argc
         push %rdx  // param for atexit()
+        lea cancel_dummy(%rip),%r15
 
+  section ELFSIGSEGV
+// install SIGSEGV handler for debugging
+SIGSEGV= 11
+SA_SIGINFO= 4  // /usr/include/bits/sigaction.h
+SA_RESTORER= 0x04000000
+__NR_rt_sigaction= 13  // /usr/include/asm/unistd_64.h
+        push %rdi  // save reg
+        sub %edx,%edx  // arg3= 0 ==> do not save old sigaction
+        push %rdx  // .sa_mask: 64 bits (8 bytes) of flags for signals
+        lea __restore_rt(%rip),%rax; push %rax  // .sa_restorer
+        push $SA_RESTORER | SA_SIGINFO  // .sa_flags
+        lea sigsegv_sigaction(%rip),%rax; push %rax  // .sa_sigaction
+        lea cancel_sigsegv(%rip),%r15
+        push %rsp; pop %rsi  // arg2= &new struct sigaction
+        push $SIGSEGV; pop %rdi  // arg1= signum
+        push $8; pop %r10  // sys4= sizeof(__sigset_t) ==> 64 bits
+        push $__NR_rt_sigaction; pop %rax; syscall
+        add $(3 + 1) * NBPW,%rsp  // toss struct sigaction
+        pop %rdi  // restore reg
+
+#if 0  //{ TEST ONLY
+    movl $0x18181818,%r8d
+    movl $0x19191919,%r9d
+    movl $0x1a1a1a1a,%r10d
+    movl $0x1b1b1b1b,%r11d
+    movl $0x1c1c1c1c,%r12d
+    movl $0x1d1d1d1d,%r13d
+    movl $0x1e1e1e1e,%r14d
+    movl $0x1f1f1f1f,%r15d
+    movl $0xaaaaaaaa,%eax
+    movl $0xbbbbbbbb,%ebx
+    movl $0xcccccccc,%ecx
+    movl $0xdddddddd,%edx
+    movl $0x55555555,%ebp
+    movl $0x66666666,%esi
+    movl $0x77777777,%edi
+    movl (%rdx),%edx  // force SIGSEGV
+#endif  // TEST_ONLY}
+
+    jmp end_sigsegv
+
+__NR_rt_sigreturn= 15
+__restore_rt:
+        endbr64
+        mov $__NR_rt_sigreturn,%eax
+        syscall
+
+sigsegv_sigaction:
+        endbr64
+        push %rdx  // save &ucontext_t
+
+// print /proc/self/maps of child (same as parent: the beauty of fork())
+        mov $end_announce_sigaction - announce_sigaction,%edx  // arg3 len
+        lea announce_sigaction(%rip),%rsi  // arg2 buf
+        push $2; pop %rdi  // arg1 fd_stderr
+        push $__NR_write; pop %rax; syscall  // ignore error on write()
+
+        xor %esi,%esi  // arg2 O_RDONLY
+        lea proc_self_maps(%rip),%arg1
+        push $__NR_open; pop %rax; syscall
+        mov %rax,%r12  // fd_maps
+BUFLEN= 4096
+        mov $BUFLEN,%ebx; sub %rbx,%rsp  // allocate buffer
+loop_maps:
+        mov %ebx,%edx  // arg3 buflen
+        push %rsp; pop %rsi  // arg2 buffer
+        mov %r12,%rdi  // arg1 fd_maps
+        xor %eax,%eax; syscall  // __NR_read
+        test %eax,%eax; jle done_maps  // ignore error on read()
+        mov %eax,%edx  // arg3 buflen
+        push %rsp; pop %rsi  // arg2 buf
+        push $2; pop %rdi  // arg1 fd_stderr
+        push $__NR_write; pop %rax; syscall  // ignore error on write()
+        jmp loop_maps
+done_maps:
+        mov %r12,%rdi  //arg1 fd_maps
+        add %rbx,%rsp  // discard buffer
+        push $__NR_close; pop %rax; syscall
+// end printing of /proc/self/maps
+
+        pop %rdx  // restore &ucontext_t
+__NR_fork= 57
+        push $__NR_fork; pop %rax; call sys_check
+        test %eax,%eax; je child
+parent:
+        jmp parent  // spin; paused by gdb
+
+proc_self_cmdline:
+        .asciz "/proc/self/cmdline"
+announce_sigaction:
+        .asciz "\n\nSIGSEGV address space:\n"
+end_announce_sigaction:
+
+proc_self_maps:
+        .asciz "/proc/self/maps"
+minus_q:
+        .asciz "-q"
+path_gdb:
+        .asciz "/usr/bin/gdb"
+commands_gdb:
+        .ascii "set prompt\n"  // null string prompt
+        .ascii "info inferiors\n"
+// ucontext_t, mcontext_t, gregset_t, gret_t, REG_xxx:   <sys/ucontext.h>
+// stack_t  <bits/types/stack_t.h>
+        .ascii "print \"r8 - r15\"\n"
+        .ascii "x/8xg $rdx + 5*8\n"
+
+        .ascii "print \"rdi, rsi, rbp, rbx\"\n"
+        .ascii "x/4xg\n"
+        .ascii "print \"rdx, rax, rcx, rsp\"\n"
+        .ascii "x/4xg\n"
+        .ascii "print \"rip, efl\"\n"
+        .ascii "x/2xg\n"
+
+        .ascii "set $pc = *(long *)($rdx + 168)\n"
+        .ascii "print \"faulting instr\"\n"
+        .ascii "x/i $pc\n"
+        .ascii "print \"fault context\"\n"
+        .ascii "x/16i $pc - 0x20\n"
+
+        .ascii "print \"user stack\"\n"
+        .ascii "x/64xg *(long *)($rdx + 5*8 + 15*8)\n"
+
+        .ascii "kill\n"
+        .ascii "quit 1"
+        .byte 0
+commands_gdb_end:
+
+child:
+PATH_MAX= 4096
+        sub $PATH_MAX,%rsp
+        lea proc_self_cmdline(%rip),%arg1
+O_RDONLY= 0
+        push $O_RDONLY; pop %arg2
+        push $__NR_open; pop %rax; call sys_check
+        push %rax; pop %arg1  // fd
+        push %rsp; pop %arg2  // buffer
+        push $PATH_MAX; pop %arg3
+__NR_read= 0
+        push $__NR_read; pop %rax; call sys_check
+        push $__NR_close; pop %rax; call sys_check
+
+__NR_getppid= 110
+        push $__NR_getppid; pop %rax; syscall
+        push %rax; pop %rsi
+        xor %eax,%eax; push %rax; push %rax  // decimal(pid) fits in 16 bytes
+        push %rsp; pop %rdi; call unsimal
+// argv
+        push %rsp; pop %rsi  // fence post: &pid.unsimal
+        push $0  // argv[4]
+        push %rsi  // arg3 pid
+        add $16,%rsi; push %rsi  // arg2 exename
+        lea minus_q(%rip),%rax; push %rax  // arg1 "-q"
+        add $(path_gdb - minus_q),%rax; push %rax  // arg[0] "/usr/bin/gdb"
+
+#if 1  //{ pipe input to gdb
+        xor %edi,%edi; push $__NR_close; pop %rax; syscall
+        push %rax; push %rsp; pop %rdi  // &fd_pipe[2]; 4 bytes each
+__NR_pipe= 22
+        push $__NR_pipe; pop %rax; call sys_check
+        pop %rdi; shr $32,%rdi  // arg1  write side of pipe
+
+        push $commands_gdb_end - commands_gdb; pop %arg3
+        lea commands_gdb(%rip),%arg2
+__NR_write= 1
+        push $__NR_write; pop %rax; call sys_check
+        push $__NR_close; pop %rax; syscall
+#endif  //}
+
+        push $0; pop %arg3  // _environ  BUG
+        push %rsp; pop %arg2  // argv
+        movq (%arg2),%arg1  // "/usr/bin/gdb"
+__NR_execve= 59
+        push $__NR_execve; pop %rax; call sys_check
+        hlt
+
+unsimal:  // (dst, value)
+        push $10; pop %rcx  // radix
+        mov %esi,%eax  // value
+        call 0f
+        movb $0,(%rdi)  // terminator
+        ret
+0:
+        xor %edx,%edx; div %ecx; push %rdx  // eax= quo(%edx:%eax / %ecx); edx= rem
+        // 'div' undefines all flags!
+        test %eax,%eax; je 1f; call 0b
+1:
+        pop %rax; add $'0',%eax
+        stosb
+        ret
+
+// Uninstall SIGSEGV handler
+cancel_sigsegv:
+        endbr64
+        push $8; pop %sys4  // sys_arg4 minimal byte count
+        xor %edx,%edx  // no old
+        xor %esi,%esi  // no new
+        push $SIGSEGV; pop %rdi
+        push $__NR_rt_sigaction; pop %eax; syscall
+        ret
+
+end_sigsegv:
+
+  section ELFMAINX2
 #define old_sp %rbp
 F_FRAME= 7*NBPW
 F_ENTR= 6*NBPW; F_PMASK= F_ENTR
@@ -105,8 +310,9 @@ F_ELFA= 2*NBPW
 F_LENX= 1*NBPW
 F_ADRX= 0*NBPW
 
-D_FOLD=  1*NBPW  // .data space at start of unfold
+D_FOLD=  2*NBPW  // .data space at start of unfold
 D_PMASK= 0*NBPW
+D_XSIGSEGV= 1*NBPW
 
 // find auxv
         xor %eax,%eax  // 0
@@ -264,6 +470,7 @@ eof_n2b:
 
 // Write de-compressed 'fold' to file
         mov F_PMASK(old_sp),%rax; mov %rax,/*D_PMASK*/(%rsp)  // propagate PAGE_MASK
+        mov %r15,D_XSIGSEGV(%rsp)  // propagate cancel_sigsegv
         mov F_LENU(old_sp),%arg3  // LENU
         sub $INSURANCE,%arg3  // memcheck limit
         push %rsp; pop %arg2  // buffer
@@ -295,6 +502,10 @@ eof_n2b:
         add $D_FOLD,%rax  // beyond .data
         jmp *%rax  // goto unfolded stub
 
+cancel_dummy:
+        endbr64
+        ret
+
 sys_check:
         push %rax  // save __NR_ for debug
         syscall

src/stub/src/amd64-linux.elf-fold.S

@@ -81,6 +81,7 @@ is_ptinterp=     (1<<0)
 
         .balign 8
 PAGE_MASK: .quad -1<<12  // default
+cancel_sigsegv: .quad 0  // subroutine that cancels sigaction(SIGSEGV,)
 
 // IN: [ADRX,+LENX): compressed data; [ADRU,+LENU): expanded fold (w/ upx_main2)
 // %rsp= %rbp= &F_ADRX; %r13= O_BINFO | is_ptinterp | unmap_all_pages
@@ -174,9 +175,12 @@ no_env_pse:
 */
 // rsp/ {OVERHEAD},ADRU,LENU,rdx,%entry,  argc,argv,0,envp,0,auxv,0,strings
         addq $OVERHEAD,%rsp  # Elf64_Ehdr temporary space
-        mov       %ebp,%ebx  # fd
+#define r_fd  ebx
+        mov       %ebp,%r_fd
         movq %rax,3*NBPW(%rsp)  # entry
 
+        call *cancel_sigsegv(%rip)
+
 sz_Ehdr= 8*NBPW
 e_type= 16
 ET_EXEC= 2
@@ -190,16 +194,16 @@ p_memsz= 5*NBPW
         movq %r13,%arg1; call munmap  # discard C_TEXT compressed data
 
 // Map 1 page of /proc/self/exe so that the symlink does not disappear.
-        test %ebx,%ebx; js no_pse_map
+        test %r_fd,%r_fd; js no_pse_map
         subq %arg6,%arg6  # 0 offset
-        mov %ebx,%arg5l  # fd
+        mov %r_fd,%arg5l  # fd
         push $MAP_PRIVATE; pop %arg4
         push $PROT_READ; pop %arg3
         mov $1<<12,%arg2l
         subl %arg1l,%arg1l  # 0
         call mmap
 
-        mov %ebx,%edi  # fd
+        mov %r_fd,%edi  # fd
         call close
 
 .macro NOTRACK

src/stub/src/amd64-linux.elf-so_fold.S

@@ -102,7 +102,7 @@ memcpy: .globl memcpy  // void *memcpy(void *dst, void const *src, size_t n)
 /* 64-bit mode only! */
 __NR_read=  0
 __NR_write= 1
-//__NR_open=  2
+__NR_open=  2
 __NR_openat= 257
   FD_CWD= -100
 __NR_close= 3
@@ -190,8 +190,6 @@ exit: .globl exit
         push $ __NR_exit; 5: jmp 5f
 ftruncate: .globl ftruncate
         push $__NR_ftruncate; 5: jmp 5f
-memfd_create: .globl memfd_create
-        push $__NR_memfd_create; 5: jmp 5f
 close: .globl close
         push $ __NR_close; 5: jmp 5f
 openat: .globl openat
@@ -202,4 +200,21 @@ write: .globl write
 read: .globl read
         push $ __NR_read; 5: jmp sysgo
 
+memfd_create: .globl memfd_create
+0:
+        movl $__NR_memfd_create,%eax; syscall
+        test %eax,%eax; js 1f; ret  // success
+1:
+        test %arg2l,%arg2l; jz no_memfd  // memfd_create failed twice
+        xor %arg2l,%arg2l; jmp 0b  // try again without MFD_EXEC
+no_memfd:  // so try /dev/shm
+O_RDWR= 2
+O_DIRECTORY= 0200000  // 0x010000
+O_TMPFILE= 020000000  // 0x400000
+        call 0f; .int 0700, O_RDWR|O_DIRECTORY|O_TMPFILE; .asciz "/dev/shm"; 0: pop %rsi
+        lodsl;            xchg %eax,%arg3l
+        lodsl; push %rsi; xchg %eax,%arg2l
+               pop %arg1
+        push $__NR_open; jmp sysgo
+
 // section SO_MAIN inserted here

src/stub/src/arch/i086/Makefile.extra

@@ -198,7 +198,7 @@ ifneq ($(wildcard $(WATCOM)/binl/wcl),)
 
 # step 3: clean asm
 lzma_d_c%.S : tmp/lzma_d_c%.i cleanasm.py $(MAKEFILE_LIST)
-	$(PYTHON) cleanasm.py --label-prefix=$(LABEL_PREFIX) $< $@
+	$(PYTHON2) cleanasm.py --label-prefix=$(LABEL_PREFIX) $< $@
 
 # step 2: compile, strip and disasm
 tmp/lzma_d_c%.i : tmp/lzma_d_c%.S $(MAKEFILE_LIST)
@@ -233,7 +233,7 @@ ifneq ($(wildcard $(WATCOM)/binl/wcl),)
 	$(call tc,wdis) tmp/$T_wc.obj | $(RTRIM) > tmp/$T_wc.obj.disasm
 endif
 # convert
-	$(PYTHON) wdis2gas.py tmp/$T_wc.obj.disasm $@
+	$(PYTHON2) wdis2gas.py tmp/$T_wc.obj.disasm $@
 
 .PRECIOUS: tmp/lzma_d_c%.i tmp/lzma_d_c%.S
 

src/stub/src/arm.v4a-linux.elf-entry.S

@@ -66,6 +66,8 @@ MAP_ANONYMOUS= 0x20
 MAP_FIXED=     0x10
 MAP_PRIVATE=   0x02
 
+FD_CWD=        -1  // AT_CWD= -100
+FD_stdin=       0
 FD_stderr=      2
 O_RDONLY=       0
 
@@ -81,13 +83,15 @@ PAGE_SIZE = ( 1<<PAGE_SHIFT)
 
 __NR_SYSCALL_BASE = 0
 
-__NR_exit=      1 + __NR_SYSCALL_BASE
-__NR_open=      5 + __NR_SYSCALL_BASE
 __NR_close=     6 + __NR_SYSCALL_BASE
+__NR_execve=   11 + __NR_SYSCALL_BASE
+__NR_exit=      1 + __NR_SYSCALL_BASE
 __NR_fdatasync=148 + __NR_SYSCALL_BASE
+__NR_fork=      2 + __NR_SYSCALL_BASE
 __NR_fsync=   118 + __NR_SYSCALL_BASE
 __NR_ftruncate=93 + __NR_SYSCALL_BASE
 __NR_getpid=   20 + __NR_SYSCALL_BASE
+__NR_getppid=  64 + __NR_SYSCALL_BASE
 __NR_lseek=    19 + __NR_SYSCALL_BASE
 __NR_memfd_create= 385 + __NR_SYSCALL_BASE
 __NR_mkdir=    39 + __NR_SYSCALL_BASE
@@ -95,12 +99,16 @@ __NR_mmap2=   192 + __NR_SYSCALL_BASE
 __NR_mprotect=125 + __NR_SYSCALL_BASE
 __NR_msync=   144 + __NR_SYSCALL_BASE  // 0x90
 __NR_open=      5 + __NR_SYSCALL_BASE
+__NR_openat=  322 + __NR_SYSCALL_BASE
+__NR_pipe=     42 + __NR_SYSCALL_BASE
 __NR_read=      3 + __NR_SYSCALL_BASE
+__NR_sigaction=67 + __NR_SYSCALL_BASE
 __NR_stat=    106 + __NR_SYSCALL_BASE
 __NR_uname=   122 + __NR_SYSCALL_BASE
 __NR_unlink=   10 + __NR_SYSCALL_BASE
 __NR_write=     4 + __NR_SYSCALL_BASE
 
+
 __ARM_NR_BASE= 0xf0000 + __NR_SYSCALL_BASE
 __ARM_NR_cacheflush=  2 + __ARM_NR_BASE
 
@@ -118,21 +126,24 @@ __ARM_NR_cacheflush=  2 + __ARM_NR_BASE
 
   section ELFMAINX
 F_ADRX= 0*NBPW
+  F_obinfo= F_ADRX  // unmap_all_pages in lo bits
 F_LENX= 1*NBPW
 F_ELFA= 2*NBPW
-F_ADRU= 3*NBPW
+F_SEGV= 3*NBPW
-F_LENU= 4*NBPW
+F_ADRU= 4*NBPW
-F_R0=   5*NBPW
+F_LENU= 5*NBPW
-F_R1=   6*NBPW
+F_R0=   6*NBPW
-F_ENTR= 7*NBPW
+F_R1=   7*NBPW
-  F_QFLG= F_ENTR
+F_ENTR= 8*NBPW
-F_SIZE= 8*NBPW
+  F_qflg= F_ENTR  // QNX mmap flags
+F_SIZE= 9*NBPW
 
 // (read-only) .data space at start of unfolded code
 D_PMASK= 0*NBPW
-D_FNAME= 1*NBPW
+D_QFLG=  1*NBPW
-D_QFLG=  2*NBPW
+D_FNAME= 2*NBPW
-D_FOLD=  3*NBPW  // start of code
+D_XSEGV= 3*NBPW
+D_FOLD=  4*NBPW  // start of code
 
 r_pack2 .req r9
 r_pmask .req r8
@@ -142,9 +153,58 @@ sz_pack2= . - NBPW
 mflg:
         .word MFLG  // MAP_{PRIVATE|ANONYMOUS}  // QNX vs linux
 _start: .globl _start
-////  nop; bkpt  // DEBUG
+////    nop; bkpt  // DEBUG
-        stmdb sp!,{r0,r1,lr}  // ABI crt0 -static may have data here
+        ldr r_pack2,sz_pack2
-        sub sp,sp,#-3*NBPW + F_SIZE  // F_R0,F_R1 separately
+        ldr r2,mflg
+        adr r3,sz_pack2
+        sub r3,r3,r_pack2  @ elfaddr= &Elf_Ehdr of this program
+        call 0f; cancel_dummy: ret; 0:
+        stmdb sp!,{r0,r1,r2}  // F_R0,F_R1,%F_ENTR(F_QFLG)
+        sub sp,sp,#2*NBPW  // space for F_ADRU, F_LENU
+        stmdb sp!,{r0,r1,r3,lr}  // %F_ADRX,%F_LENX,F_ELFA,F_SEGV
+
+  section ELFSIGSEGV
+// install SIGSEGV handler for debugging
+SIGSEGV= 11
+SA_SIGINFO= 4  // /usr/include/bits/sigaction.h
+SA_RESTORER= 0x04000000
+sa_sigaction = 0 * NBPW
+sa_flags     = 1 * NBPW
+sa_mask      = 3 * NBPW  // location of mask
+sa_restorer  = 4 * NBPW
+sa_frame = 5 * NBPW
+        call adr_sigaction; mov r0,lr  // .sa_sigaction
+        mov r1,#SA_SIGINFO  // .sa_flags
+        mov r2,#0  // .sa_mask
+        mov r3,#0
+        mov r4,#0  // .sa_restorer
+        stmdb sp!,{r0,r1,r2,r3,r4}
+
+        mov arg4,#8  // 8 bytes  ==> 64 bits
+        mov arg3,#0  // do not save old_sigaction
+        mov arg2,sp  // &new_sigaction
+        mov arg1,#SIGSEGV
+        do_sys7t __NR_sigaction
+        add sp,sp,#sa_frame
+
+        call 0f
+cancel_sigsegv:
+        mov  r3,#8  // space for 8 bytes of signal flags
+        mov r2,#0  // no old
+        mov r1,#0  // no new
+        mov r0,#SIGSEGV
+        do_sys7t __NR_sigaction
+        ret
+0:
+        str lr,[sp,#F_SEGV]
+
+#if 0  //{ TEST ONLY
+mov  r0,#0xc0;mov  r1,#0xc1;mov  r2,#0xc2;mov  r3,#0xc3;mov  r4,#0xc4;mov  r5,#0xc5;mov  r6,#0xc6;mov  r7,#0xc7
+mov  r8,#0xc8;mov  r9,#0xc9;mov r10,#0xca;mov r11,#0xcb;mov r12,#0xcc
+    ldr r0,[r0]  // cause SIGSEGV
+#endif  //}
+
+  section ELFMAINX2
         add arg1,sp,#NBPW + F_SIZE  // avoid feint of 0==argc
         call zfind  // out: r0= &envp
         call zfind
@@ -159,14 +219,6 @@ _start: .globl _start
         mvn r2,r2; add r2,r2,#1  // neg
         mov r_pmask,r2
 
-        ldr r1,sz_pack2
-        adr r0,sz_pack2
-        sub r0,r0,r1  @ elfaddr= &Elf_Ehdr of this program
-        str r0,[sp,#F_ELFA]
-        mov r_pack2,r1  @ save sz_pack2
-
-        ldr r0,mflg
-        str r0,[sp,#F_QFLG]
 
         call get_data  // cpr0 can be too far away
 old_sp .req r11
@@ -216,10 +268,11 @@ mfd  .req old_sp
         mov mfd,r0
 //}{ r0 free, r1 busy
         add r4,r_unc,# 2*NBPW + D_FOLD
+        ldr r5,[sp,#F_SEGV]
         and r4,r4,   #-2*NBPW  // align displacement
-        ldr r3,[sp,#F_QFLG]
+        ldr r3,[sp,#F_qflg]
         mov r2,r_pmask
-        stmia r1,{r2,r3,r4}  // D_PMASK, D_QFLG, D_FNAME
+        stmia r1,{r2,r3,r4,r5}  // F_ADRU: D_PMASK, D_QFLG, D_FNAME, D_SEGV
   .unreq r_pmask
 
 // De-compress folded stage of stub
@@ -242,7 +295,7 @@ mfd  .req old_sp
         ldr arg3,[sp,#F_LENU]
         ldr arg2,[sp,#F_ADRU]
         mov arg1,mfd
-        do_sys __NR_write
+        do_sys7t __NR_write
 
         mov r5,#0
         mov r4,mfd
@@ -261,13 +314,182 @@ mfd  .req old_sp
         add r4,r0,r1  @ ADRX= &b_info | unmap_all_pages
         bic r1,r1,#unmap_all_pages
         sub r5,r_pack2,r1  @ LENX= sz_pack2 - O_BINFO
-        stmia sp,{r4,r5}  // F_ADRX, F_LENX
+        stmia sp,{r4,r5}  // sp: F_ADRX, F_LENX;  (sp no change)
 #if DEBUG  /*{*/
         stmdb sp!,{TRACE_REGS}; mov r0,#3; bl trace
 #endif  /*}*/
         ldr r12,[sp,#F_ADRU]
         add pc,r12,#D_FOLD  // goto unfolded code
 
+proc_self_cmdline:
+        .asciz "/proc/self/cmdline"
+        .balign 4
+
+#define r_fd r6
+PATH_MAX= 4096
+child:
+#if 1  //{ pipe input to gdb
+        mov arg1,#FD_stdin; do_sys7t __NR_close
+        mov arg2,#0; mov arg1,#0; stmdb sp!,{arg1,arg2}  // space for result of pipe()
+        mov arg1,sp
+        do_sys7t __NR_pipe  // read side will be 0 (FD_stdin)
+        ldmia sp!,{r0,r_fd}  // write side of pipe
+
+        mov arg3,#commands_gdb_end - commands_gdb  // len
+        adr arg2,commands_gdb
+        mov arg1,r_fd
+        do_sys7t __NR_write
+        mov arg1,r_fd; do_sys7t __NR_close
+#endif  //}
+
+        sub sp,sp,#PATH_MAX
+        mov arg3,#O_RDONLY
+        adr arg2,proc_self_cmdline
+        mov arg1,#FD_CWD
+        do_sys7t2 __NR_openat; mov r_fd,r0  // fd
+        mov arg2,sp  // buffer
+        mov arg3,#PATH_MAX
+        do_sys7t __NR_read
+        mov arg1,r_fd; do_sys7t __NR_close
+
+        do_sys7t __NR_getppid
+        sub sp,sp,#16  // decimal(pid) fits in 16 bytes
+        mov arg2,arg1; mov arg1,sp; call unsimal
+
+        mov arg5,#0  // terminator
+        mov arg4,sp  // &"pid"  (result of unsimal)
+        add arg3,sp,#16 // cmdline argv[0]  [skip "pid"]
+        adr arg2,minus_q
+        adr arg1,path_gdb
+        stmdb sp!,{arg1,arg2,arg3,arg4,arg5}  // argv
+        mov arg3,#0  // _envviron  BUG
+        mov arg2,sp  // &argv
+        do_sys7t __NR_execve
+0:
+        b 0b
+minus_q:
+        .asciz "-q"
+path_gdb:
+        .asciz "/usr/bin/gdb"
+commands_gdb:
+        .ascii "set prompt\n"  // null string prompt
+        .ascii "info inferiors\n"
+        .ascii "print \"r0-r7\"\n"
+        .ascii "x/8xw $sp + 0x28\n"
+        .ascii "print \"r8-r15\"\n"
+        .ascii "x/8xw\n"
+        .ascii "set $pc = *(int *)($sp + 0x64)\n"
+        .ascii "print \"faulting instr\"\n"
+        .ascii "x/i $pc\n"
+        .ascii "print \"fault context\"\n"
+        .ascii "x/15i $pc - 7*4\n"
+      //.ascii "print \"intercept stack\"\n"
+      //.ascii "x/76xw $sp\n"
+        .ascii "set $sp = *(long *)($sp + 0x5c)\n"
+        .ascii "print \"user stack\"\n"
+        .ascii "x/64xw $sp\n"
+        .ascii "kill\n"
+        .ascii "quit 1"
+        .byte 0
+commands_gdb_end:
+        .balign 4
+
+// ucontext_t, mcontext_t, gregset_t, gret_t, REG_xxx:   <sys/ucontext.h>
+// stack_t  <bits/types/stack_t.h>
+__restore_rt:
+    nop
+
+proc_self_maps:
+        .asciz "/proc/self/maps"
+announce_sigaction:
+        .ascii "\n\nSIGSEGV address space:\n"
+end_announce_sigaction:
+        .balign 4
+
+adr_sigaction:
+        mov r12,lr; mov lr,pc; mov pc,r12  // blx lr
+sigsegv_sigaction:
+        stmdb sp!,{arg2,arg3}  // save siginfo *, ucontext *
+// print /proc/self/maps of child (same as parent: the beauty of fork())
+        mov arg3,#end_announce_sigaction - announce_sigaction  // arg3 len
+        adr arg2,announce_sigaction  // buf
+        mov arg1,#FD_stderr
+        do_sys7t __NR_write
+
+        mov arg3,#O_RDONLY  // flags
+        adr arg2,proc_self_maps  // path
+        mov arg1,#FD_CWD
+        do_sys7t2 __NR_openat; mov r_fd,r0  // fd_maps
+BUFLEN= 4096
+        sub sp,sp,#BUFLEN
+loop_maps:
+        mov arg3,#BUFLEN  // buflen
+        mov arg2,sp  // buffer
+        mov arg1,r_fd  // fd_maps
+        do_sys7t __NR_read
+        cmp r0,#0; beq done_maps
+        mov arg3,r0  // buflen
+        mov arg2,sp  // buf
+        mov arg1,#FD_stderr
+        do_sys7t __NR_write
+        b loop_maps
+done_maps:
+        add sp,sp,#BUFLEN  // discard buffer
+        mov arg1,r_fd; do_sys7t __NR_close
+// end printing of /proc/self/maps
+
+        mov arg1,#0; mov arg2,#0  // paranoia
+        do_sys7t __NR_fork
+        cmp r0,#0; beq child  // fork()
+parent:
+NR_exit= 1
+        b parent  // spin; paused by gdb
+
+unsimal:  // (dst, value)
+        mov r2,#0
+        stmdb sp!,{r2,lr}; call 0f
+        ldmia sp!,{r2,lr}
+        strb r2,[r0]  // terminator
+        ret
+0:
+        mov ip,r1  // extra copy used at end
+        mov r2,#0  // hi
+
+        mov r3,r1  // copy lo
+        adds r1,r1,r1,lsl #3   // 9*lo
+        adc  r2,r2,r2,lsl #3   // 9*hi + C
+        add  r2,r2,r3,lsr #(32 - 3)  // bits shifted from lo to hi
+
+        mov r3,r1  // copy lo
+        adds r1,r1,r1,lsl #4
+        adc  r2,r2,r2,lsl #4
+        add  r2,r2,r3,lsr #(32 - 4)  // * 0x99
+
+        mov r3,r1  // copy lo
+        adds r1,r1,r1,lsl #8
+        adc  r2,r2,r2,lsl #8
+        add  r2,r2,r3,lsr #(32 - 8)  // * 0x9999
+
+        mov r3,r1  // copy lo
+        adds r1,r1,r1,lsl #16
+        adc  r2,r2,r2,lsl #16
+        add  r2,r2,r3,lsr #(32 - 16)  // * 0x99999999
+
+        subs r1,r1,ip,lsl #(32 - 1)  // - * 0x80000000
+        sbc  r2,r2,ip,lsr #1         //   * 0x19999999
+
+        adds r1,r1,ip
+        adcs r1,r2,#0  // * 0x0.1999999a; r1 = quo(ip, 10); set flags
+        add r2,r1,r1,lsl #2  // r2 = quo * 5
+        sub r2,ip,r2,lsl #1  // rem = ip - 10 * quo
+
+        stmdb sp!,{r2,lr}  // save rem and retaddr
+        beq 1f; call 0b  // stop if 0==quo; else recurse for next remainder
+1:
+        ldmia sp!,{r1,lr}; add r1,r1,#'0'; strb r1,[r0],#1
+        ret
+
+
 zfind:
         ldr r1,[r0],#NBPW
         cmp r1,#0; bne zfind
@@ -322,7 +544,7 @@ L610:  @ each word
         mov r0,#'\n'; strb r0,[r2],#1
         sub r2,r2,sp  @ count
         mov r1,sp  @ buf
-        mov r0,#2  @ FD_STDERR
+        mov r0,#FD_stderr
 #if defined(ARMEL_EABI4)  /*{*/
         mov r7,#__NR_write
         swi 0

src/stub/src/arm.v4a-linux.elf-fold.S

@@ -66,11 +66,6 @@ PATH_MAX= 4096
 #define call bl
 #include "MAX_ELF_HDR.S"
 
-ZERO=       . - 3*NBPW
-page_mask=  . - 3*NBPW; .globl page_mask
-qflg_data = . - 2*NBPW  // QNX vs Linux: MAP_PRIVATE | MAP_ANONYMOUS
-upxfn_path= . - 1*NBPW  // displacement from "zero"
-
 arg1  .req r0
 arg2  .req r1
 arg3  .req r2
@@ -78,6 +73,12 @@ arg4  .req r3
 arg5  .req r4
 arg6  .req r5
 
+ZERO=       . - 4*NBPW  // 4 words initialized prior to unfolded code
+page_mask=  . - 4*NBPW
+qflg_data = . - 3*NBPW  // QNX vs Linux: MAP_PRIVATE | MAP_ANONYMOUS
+upxfn_path= . - 2*NBPW  // displacement from ZERO
+cancel_sigsegv= . - 1*NBPW
+
 fold_begin:  // enter here
         b L05  // put page_mask and qflg_data within short-displacement of uses
 
@@ -141,20 +142,21 @@ mmap_do: // sp: saved r4,r5,lr
 
 proc_self_exe: .asciz "/proc/self/exe"; .balign 4
 
-// In:  sp/ F_ADRX,F_LENX,F_ELFA,F_ADRU,F_LENU,F_R0,F_R1,%F_ENTR,F_argc
+// In:  sp/ F_ADRX,F_LENX,F_ELFA,f_SEGV,F_ADRU,F_LENU,F_R0,F_R1,%F_ENTR,F_argc
 //   [ADRX, +LENX) = extent of compressed program
 //   [ADRU, +LENU) = params to munmap unfolded stub
-F_ADRX=  0*NBPW
+F_ADRX= 0*NBPW
   F_obinfo= F_ADRX  // unmap_all_pages in lo bits
-F_LENX=  1*NBPW
+F_LENX= 1*NBPW
-F_ELFA=  2*NBPW
+F_ELFA= 2*NBPW
-F_ADRU=  3*NBPW
+F_SEGV= 3*NBPW
-F_LENU=  4*NBPW
+F_ADRU= 4*NBPW
-F_R0=    5*NBPW
+F_LENU= 5*NBPW
-F_R1=    6*NBPW
+F_R0=   6*NBPW
-F_ENTR=  7*NBPW
+F_R1=   7*NBPW
-  F_qflg = F_ENTR  // QNX mmap flags
+F_ENTR= 8*NBPW
-F_ARGC=  8*NBPW
+  F_qflg= F_ENTR  // QNX mmap flags
+F_argc= 9*NBPW
 
 is_ptinterp=     (1<<0)
 unmap_all_pages= (1<<1)
@@ -162,17 +164,17 @@ unmap_all_pages= (1<<1)
 /* In:
    r4= ADRX | unmap_all_pages
    r5= LENX
-sp/ ADRX|uap,LENX,ELFA,ADRU,LENU,r0,r1,%entry, argc,argv,0,envp,0,auxv
+sp/ ADRX|uap,LENX,ELFA,r0,r1,%entry,SEGV,ADRU,LENU, argc,argv,0,envp,0,auxv
         (ADRX,LENX) = extent of compressed program
         (ADRU,LENU) = params to munmap unfolded stub
 */
 
 L05:
-        ldmia sp!,{r4,r5,r6,r7,r8,r9,r10,r11,r12}  // F_ADRX .. F_ARGC
+        ldmia sp!,{r3,r4,r5,r6,r7,r8,r9,r10,r11,r12}  // F_ADRX .. F_ARGC
         mov r1,sp  @ src
-        tst r4,#unmap_all_pages; bne 0f; sub sp,sp,#PATH_MAX; 0:
+        tst r3,#unmap_all_pages; bne 0f; sub sp,sp,#PATH_MAX; 0:
         mov r0,sp  @ dst
-        stmdb sp!,{r4,r5,r6,r7,r8,r9,r10,r11,r12}
+        stmdb sp!,{r3,r4,r5,r6,r7,r8,r9,r10,r11,r12}
 
 0: // copy argv down
         ldr r3,[r1],#NBPW; cmp r3,#0
@@ -255,6 +257,9 @@ r_elfa .req r9
         add sp,sp,#MAX_ELF_HDR_32 + OVERHEAD  @ un-alloca
         str r0,[sp,#F_ENTR]  @ entry address
 
+        adr lr,0f; ldr pc,[sp,#F_SEGV]  // cancel_sigsegv
+0:
+
 // Map 1 page of /proc/self/exe so that it does not disappear
         ldr r0,[sp,#F_obinfo]; tst r0,#unmap_all_pages; bne no_map_pse
         mov arg6,#0  @ SEEK_SET offset
@@ -290,7 +295,7 @@ sweep:
         add sp,sp,#(1<<18)  @ pop stack
 #endif  //}
 
-        add sp,sp,#3*NBPW  // toss F_ADRX,F_LENX,F_ELFA
+        add sp,sp,#4*NBPW  // toss F_ADRX,F_LENX,F_ELFA,F_SEGV
         ldmia sp!,{arg1,arg2}  @ F_ADRU,F_LENU
         stmdb sp!,{r_auxe}
         mov r3,#0  @ clear registers: paranoia
@@ -315,6 +320,9 @@ sweep:
 #endif  /*}*/
         ldmia sp!,{r12}  // r_auxe
         ldr pc,[r12,#NBPW -2*NBPW]  @ hatch: Elf32_auxv_t[AT_NULL@.a_type].a_val
+          // hatch:
+          // svc 0  // In: r7= __NR_munmap; arg1= F_ADRU; arg2= F_LENU
+          // pop {r0,r1,pc}  // F_R0, F_R1, F_ENTR
 
 f_unfilter:  @ (char *ptr, uint len, uint cto, uint fid)
         ptr  .req r0

src/stub/src/arm64-linux.elf-entry.S

@@ -76,12 +76,18 @@ PAGE_SIZE = -(~0<<PAGE_SHIFT)
 
 // /usr/include/asm-generic/unistd.h
 __NR_close    = 0x39  //  57
+__NR_execve   = 0xdd  // 221
 __NR_exit     = 0x5d  //  93
+__NR_fork     = 0xdc  // 220
+__NR_getppid  = 0xad  // 173
 __NR_memfd_create= 0x117  // 279
 __NR_mmap     = 0xde  // 222
 __NR_mprotect = 0xe2  // 226
 __NR_munmap   = 0xd7  // 215
 __NR_openat   = 0x38  //  56
+__NR_pipe2    = 0x3b  //  59
+__NR_read     = 0x3f  //  63
+__NR_sigaction = 0x86  // 134
   AT_FDCWD= -100
 __NR_write    = 0x40  //  64
 
@@ -134,6 +140,13 @@ wszuf  .req w21
   xszuf  .req x21
 xFOLD  .req x20
 wPrivAnon .req w19
+cancel_SEGV .req x18
+
+D_PMASK=    0*NBPW
+D_XSIGSEGV= 1*NBPW
+D_GETPM=    2*NBPW
+D_PRIVANON= 2*NBPW + 2*4
+D_FOLD=     2*NBPW + 3*4  // .data space at start of unfold
 
 // http://infocenter.arm.com/help/topic/com.arm.doc.ihi0055b/IHI0055B_aapcs64.pdf
 // x18 is CLOBBERED: "The platform register"
@@ -154,7 +167,198 @@ _start: .globl _start
 #endif  /*}*/
         stp x0,x1,[sp,#-2*NBPW]!  // ABI: -static crt0 might pass data in x0,x1
         ldr wPrivAnon,mflg
+        adr cancel_SEGV,cancel_dummy
 
+  section ELFSIGSEGV
+// install SIGSEGV handler for debugging hardware and de-compressor
+SIGSEGV= 11
+SA_SIGINFO= 4  // /usr/include/bits/sigaction.h
+SA_RESTORER= 0x04000000
+sa_sigaction = 0 * NBPW
+sa_flags     = 1 * NBPW
+sa_mask      = 3 * NBPW  // location of mask
+sa_restorer  = 4 * NBPW
+sa_frame = 8 * NBPW
+        adr x0,sigsegv_sigaction  // handler
+        mov x1,#SA_SIGINFO  // flag bits
+        stp x0,x1,[sp,-sa_frame]!  // .sa_sigaction, .sa_flags
+        str xzr,[sp,sa_mask]  // .sa_mask
+        str xzr,[sp,sa_restorer]
+
+        mov x3,#8  // 8 bytes  ==> 64 bits
+        mov x2,xzr  // do not save old_sigaction
+        mov x1,sp  // &new_sigaction
+        mov w0,#SIGSEGV
+        do_sys __NR_sigaction
+        add sp,sp,sa_frame
+        adr cancel_SEGV,cancel_sigsegv
+        b L300
+
+#if 0  //{ TEST ONLY
+mov  x0,#0xc0;mov  x1,#0xc1;mov  x2,#0xc2;mov  x3,#0xc3;mov  x4,#0xc4;mov  x5,#0xc5;mov  x6,#0xc6;mov  x7,#0xc7
+mov  x8,#0xc8;mov  x9,#0xc9;mov x10,#0xca;mov x11,#0xcb;mov x12,#0xcc;mov x13,#0xcd;mov x14,#0xce;mov x15,#0xcf
+mov x16,#0xd0;mov x17,#0xd1;mov x18,#0xd2;mov x19,#0xd3;mov x20,#0xd4;mov x21,#0xd5;mov x22,#0xd6;mov x23,#0xd7
+mov x24,#0xd8;mov x25,#0xd9;mov x26,#0xda;mov x27,#0xdb;mov x28,#0xdc;mov x29,#0xdd;mov x30,#0xde
+    ldr x0,[x0]  // cause SIGSEGV
+#endif  //}
+
+proc_self_cmdline:
+        .asciz "/proc/self/cmdline"
+announce_sigaction:
+        .asciz "\n\nSIGSEGV address space:\n"
+end_announce_sigaction:
+
+proc_self_maps:
+        .asciz "/proc/self/maps"
+minus_q:
+        .asciz "-q"
+path_gdb:
+        .asciz "/usr/bin/gdb"
+commands_gdb:
+        .ascii "set prompt\n"  // null string prompt
+        .ascii "info inferiors\n"
+        .ascii "print \"x0-x7\"\n"
+        .ascii "x/8xg $sp + 0x138\n"
+        .ascii "print \"x8-x15\"\n"
+        .ascii "x/8xg\n"
+        .ascii "print \"x16-x23\"\n"
+        .ascii "x/8xg\n"
+        .ascii "print \"x24-x30\"\n"
+        .ascii "x/7xg\n"
+        .ascii "set $pc = *(long *)($sp + 0x238)\n"
+        .ascii "print \"faulting instr\"\n"
+        .ascii "x/i $pc\n"
+        .ascii "print \"fault context\"\n"
+        .ascii "x/15i $pc - 7*4\n"
+      //.ascii "print \"intercept stack\"\n"
+      //.ascii "x/76xg $sp\n"
+        .ascii "set $sp = *(long *)($sp + 0x230)\n"
+        .ascii "print \"user stack\"\n"
+        .ascii "x/64xg $sp\n"
+        .ascii "kill\n"
+        .ascii "quit 1"
+        .byte 0
+commands_gdb_end:
+        .balign 4
+
+#define r_fd w19
+PATH_MAX= 4096
+child:
+#if 1  //{ pipe input to gdb
+        mov arg1w,#0; do_sys __NR_close  // fd_stdin
+        stp xzr,xzr,[sp,-2 * NBPW]!  // &fd_pipe[2]; 4 bytes each; but stack align
+        mov arg2w,#0
+        mov arg1,sp
+        do_sys __NR_pipe2  // read size will be 0 (fd_stdin)
+        add x16,sp,#4
+        ldr r_fd,[x16]  // write side of pipe
+        add sp,sp,#2*NBPW
+
+        mov w2,#commands_gdb_end - commands_gdb  // arg3 len
+        adr x1,commands_gdb  // arg2
+        mov w0,r_fd  // arg1 fd
+        do_sys __NR_write
+        mov w0,r_fd; do_sys __NR_close
+#endif  //}
+
+        sub sp,sp,#PATH_MAX
+        mov arg3w,#O_RDONLY
+        adr arg2,proc_self_cmdline
+        mov arg1,#-1  // fake FD_CWD
+        do_sys __NR_openat; mov r_fd,w0
+        mov arg2,sp  // buffer
+        mov arg3w,#PATH_MAX
+        do_sys __NR_read
+        mov arg1w,r_fd; do_sys __NR_close
+
+        do_sys __NR_getppid
+        stp xzr,xzr,[sp,-2 * NBPW]!  // decimal(pid) fits in 16 bytes
+        mov w1,w0; mov x0,sp; call unsimal
+
+        mov arg4,sp  // &"pid"  (result of unsimal)
+        add arg3,sp,#2 * NBPW  // cmdline argv[0]  [skip "pid"]
+        adr arg2,minus_q
+        adr arg1,path_gdb  // arg1  path
+        stp arg1,arg2,[sp,-6 *NBPW]!  // path_gdb, "-q"
+        stp arg3,arg4,[sp,2 *NBPW]  // argv[0], "pid"
+        str xzr,[sp,4 * NBPW]  // NULL
+        mov arg3,#0  // _envviron  BUG
+        mov arg2,sp  // &argv
+        do_sys __NR_execve
+0:
+        b 0b
+
+// ucontext_t, mcontext_t, gregset_t, gret_t, REG_xxx:   <sys/ucontext.h>
+// stack_t  <bits/types/stack_t.h>
+__restore_rt:
+    nop
+
+sigsegv_sigaction:
+        stp x1,x2,[sp,-2 * NBPW]  // save siginfo *, ucontext *
+// print /proc/self/maps of child (same as parent: the beauty of fork())
+        mov x2,#end_announce_sigaction - announce_sigaction  // arg3 len
+        adr x1,announce_sigaction  // arg2 buf
+        mov w0,#2  // arg1 fd_stderr
+        do_sys __NR_write
+
+        mov w2,#O_RDONLY  // arg3 flags
+        adr x1,proc_self_maps  // arg2 path
+        mov w0,#-1  // fake FD_CWD
+        do_sys __NR_openat
+        mov r_fd,w0  // fd_maps
+BUFLEN= 4096
+        sub sp,sp,#BUFLEN
+loop_maps:
+        mov x2,#BUFLEN  // arg3 buflen
+        mov x1,sp  // arg2 buffer
+        mov w0,r_fd  // arg1 fd_maps
+        do_sys __NR_read
+        cbz w0,done_maps
+        mov x2,x0  // arg3 buflen
+        mov x1,sp  // arg2 buf
+        mov w0,#2  // fd_stderr
+        do_sys __NR_write
+        b loop_maps
+done_maps:
+        add sp,sp,#BUFLEN  // discard buffer
+        mov x0,x16; do_sys __NR_close
+// end printing of /proc/self/maps
+
+        mov arg1,#0; mov arg2,#0  // paranoia
+        do_sys __NR_fork; cbz x0,child
+parent:
+        b parent  // spin; paused by gdb
+
+unsimal:  // (dst, value)
+        stp lr,xzr,[sp,-2 * NBPW]!; call 0f
+        ldp lr,x1,[sp],#2 * NBPW
+        strb w1,[x0]  // terminator
+        ret
+0:
+        mov  w2,#0xcccd
+        movk w2, 0xcccc, lsl 16  // 0xcccccccd ==> 4/5 as 32-bit fraction
+        umull x2,w1,w2
+        //add x2,x2,#0x1000  // BUG?  unsimal(p, 730)
+        lsr x3,x2,35  // quo(value, 10)
+        add w2,w3,w3,lsl 2  // 5 * quo
+        sub w1,w1,w2,lsl 1  // rem = (val - (10 * quo))
+        stp lr,x1,[sp,-2 * NBPW]!
+        cbz x3,1f; mov w1,w3; call 0b
+1:
+        ldp lr,x1,[sp],#2 * NBPW; add w1,w1,#'0'; strb w1,[x0],#1
+        ret
+
+cancel_sigsegv:
+        mov x3,#8  // 8 bytes  ==> 64 bits
+        mov x2,xzr  // no old
+        mov x1,xzr  // no new
+        mov w0,#SIGSEGV
+        do_sys __NR_sigaction
+        ret
+
+L300:
+
+  section ELFMAINX2
         add x0,sp,#(1+ 2)*NBPW
         call zfind  // avoid feint of 0==argc;  out: x0= &envp
         call zfind; mov xauxv,x0  // &Elf64_auxv
@@ -175,8 +379,11 @@ F_LENU= 3 * NBPW
         neg xPMASK,x2  // save for folded code
         str xPMASK,[sp,#F_PMASK]
 
+        adr xelfa,sz_pack2
+        ldr w0,[xelfa]  // sz_pack2 causes unknown R_AARCH64_LD_PREL_LO19
+        str x0,[sp,#F_SZPK2]
+        sub xelfa,xelfa,w0,uxtw
         call main
-L00:
         mov xFOLD,lr
 
         mov w1,#MFD_EXEC  // flags
@@ -231,7 +438,8 @@ wmeth  .req w4
     .unreq xmeth
     .unreq wmeth
 
-        str xPMASK,[sp]  // propagate PAGE_MASK
+        str xPMASK,[sp]  // propagate PAGE_MASK  D_PMASK
+        str cancel_SEGV,[sp, #D_XSIGSEGV]
 
 // Write de-compressed stub
         ldr w2,[xFOLD,#sz_unc + LBINFO - LxFOLD]  // .sz_unc of fold
@@ -255,13 +463,16 @@ wmeth  .req w4
 // Use the unfolded stub
         ldr wLENC,[sp,#F_SZPK2]
         ldr w1,[xFOLD, #LOBINFO - LxFOLD]  // O_BINFO
-        add lr,xADRU,#3*4 + NBPW  // jmp to fold_begin
+        add lr,xADRU,#D_FOLD  // jmp to fold_begin
         sub wLENC,wLENC,w1
         str xLENC,[sp,#F_SZPK2]
         bic w1,w1,#unmap_all_pages
         add xADRC,xelfa,x1  // &b_info of compressed input data
         jr lr  // goto unfolded stub
 
+cancel_dummy:
+        ret
+
 zfind:
         ldr x1,[x0],#NBPW; cbnz x1,zfind
         ret
@@ -383,12 +594,8 @@ strupx:
         .asciz "upx"
         .balign 4
 
-main:
+main:  // In: w0= sz_pack2
 lr .req x30
-        add xelfa,lr,#sz_pack2 - L00  // &sz_pack2
-        ldr w0,[xelfa]
-        sub xelfa,xelfa,w0,uxtw
-        str x0,[sp,#F_SZPK2]
         callr lr
 LxFOLD:
 LOBINFO:

src/stub/src/arm64-linux.elf-fold.S

@@ -84,16 +84,16 @@ PATH_MAX= 4096
 #define OVERHEAD 2048
 #include "MAX_ELF_HDR.S"
 
-PAGE_MASK: .quad ~0<<12  // default
+PAGE_MASK: .quad ~0<<12  // default  D_PMASK
-get_page_mask: .globl get_page_mask
+cancel_sigsegv: .quad 0  // D_XSIGSEGV
+
+get_page_mask: .globl get_page_mask  // D_GETPM
         ldr x0,PAGE_MASK
         ret
-
+bits_privanon:  // known offset (2*NBPW + 2*4)  D_PRIVANON
-bits_privanon:  // known offset (NBPW + 2*4)
         .int MAP_PRIVATE | MAP_ANONYMOUS  // Linux default; else QNX
 
-fold_begin:  // known offset (NBPW + 3*4)
+fold_begin:  // known offset D_FOLD = (2*NBPW + 3*4)
-////    bkpt  // DEBUG
         b L10
 
 // In:  sp/ PMASK,LENC,ADRU,LENU, x0,x1, argc,argv,...
@@ -271,6 +271,9 @@ no_env_pse:
           add sp,sp,#MAX_ELF_HDR_64 + OVERHEAD  // un-alloca
         mov xfexp,x0  // entry address
 
+        ldr x0,cancel_sigsegv
+        blr x0  // callr
+
 // Discard pages of compressed input data (includes [ADRC,+LENC) )
         ldr x1,[xelfa,#p_memsz+sz_Phdr+sz_Ehdr]  // Phdr[C_TEXT= 1].p_memsz
         mov x0,xelfa  // hi &Elf64_Ehdr

src/stub/src/powerpc64-linux.elf-fold.S

@@ -129,7 +129,7 @@ Pprotect: .globl Pprotect
         b mprotect
 
 Psync: .globl Psync  // (addr, len, flags)
-        mflr r0; bl 0f; 0: mflr r6; mtlr r0; lwz r0,page_mask - 0b(r6)
+        mflr r0; bl 0f; 0: mflr r6; mtlr r0; ld r0,page_mask - 0b(r6)
         andc r0,a0,r0  // offset within page
         sub a0,a0,r0
         add a1,a1,r0
@@ -418,21 +418,30 @@ close: .globl close
         li r0,SYS_close;    5: b sysgo
 
 upxfd_create: .globl upxfd_create // (char *tag, unsigned flags)
+        stdu a0,-AL_STK(sp)  // push tag onto aligned stack
 0: // try memfd_create
+        ld a0,0(sp)  // get tag
         li r0,SYS_memfd_create; sc; bns+ ok_memfd
-        cmpwi a2,0; beq no_memfd  // memfd_create failed twice
+        // failed syscall returns errno in a0
-        li a2,0; b 0b  // try again without MFD_EXEC
+        cmpwi a0,EINVAL; bne 8f  // unexpected error number
+        cmpwi a1,0; beq no_memfd  // memfd_create failed twice
+        li a1,0; b 0b  // try again without MFD_EXEC
 no_memfd:  // so try /dev/shm
 O_RDWR= 2
 O_DIRECTORY= 040000  // 0x4000
 O_TMPFILE= 020000000  // 0x400000
-        mflr r6; bl 0f; .asciz "/dev/shm"; .balign 4;
+        mflr r6
-0:      mflr a1; mtlr r6
+               bl 0f; .asciz "/dev/shm"; .balign 4
-        li a2,0700
+            0: mflr a0
-        lis a3,O_TMPFILE>>16
+        mtlr r6
-        ori a3,a3,O_RDWR | O_DIRECTORY
+        li a2,0700  // mode
-        li r0,SYS_open; sc; bns+ ok_memfd; teq r0,r0
+        lis a1,O_TMPFILE>>16
+        ori a1,a1,O_RDWR | O_DIRECTORY
+        li r0,SYS_open; sc; bns+ ok_memfd  // name, flags, mode
+8:
+        teq r0,r0  // unexpected errno
 ok_memfd:
+        addi sp,sp,AL_STK  // toss tag
         ret
 
 __NR_memfd_create= 360

src/stub/tmp/amd64-linux.elf-entry.bin.dump

@@ -2,17 +2,36 @@ file format elf64-x86-64
 
 Sections:
 Idx Name          Size      VMA               LMA               File off  Algn  Flags
-  0 ELFMAINX      0193  0  0  040  2**0  CONTENTS
+  0 ELFMAINX      010  0  0  040  2**0  CONTENTS
-  1 ELFMAINZ      04  0  0  01d4  2**2  CONTENTS
+  1 ELFSIGSEGV    0310  0  0  050  2**0  CONTENTS
+  2 ELFMAINX2     0194  0  0  0360  2**0  CONTENTS
+  3 ELFMAINZ      04  0  0  04f4  2**2  CONTENTS
 SYMBOL TABLE:
-0000000000000000 l    d  ELFMAINZ 0 ELFMAINZ
 0000000000000000 l    d  ELFMAINX 0 ELFMAINX
+0000000000000000 l    d  ELFMAINX2 0 ELFMAINX2
+0000000000000000 l    d  ELFMAINZ 0 ELFMAINZ
+0000000000000000 l    d  ELFSIGSEGV 0 ELFSIGSEGV
 0000000000000000 g       ELFMAINX 0 _start
 0000000000000000         *UND* 0 O_BINFO
 
 RELOCATION RECORDS FOR [ELFMAINX]:
 OFFSET           TYPE              VALUE
-0000000000000073 R_X86_64_PC32     ELFMAINZ+0xfffffffffffffffc
+000000000000000c R_X86_64_PC32     ELFMAINX2+0x0000000000000158
+
+RELOCATION RECORDS FOR [ELFSIGSEGV]:
+OFFSET           TYPE              VALUE
+00000000000000a2 R_X86_64_PC32     ELFMAINX2+0x000000000000015d
+0000000000000250 R_X86_64_PC32     ELFMAINX2+0x000000000000015d
+0000000000000262 R_X86_64_PC32     ELFMAINX2+0x000000000000015d
+000000000000026a R_X86_64_PC32     ELFMAINX2+0x000000000000015d
+00000000000002a5 R_X86_64_PC32     ELFMAINX2+0x000000000000015d
+00000000000002bf R_X86_64_PC32     ELFMAINX2+0x000000000000015d
+00000000000002d4 R_X86_64_PC32     ELFMAINX2+0x000000000000015d
+
+RELOCATION RECORDS FOR [ELFMAINX2]:
+OFFSET           TYPE              VALUE
+000000000000005e R_X86_64_PC32     ELFMAINX+0xfffffffffffffff8
+000000000000006a R_X86_64_PC32     ELFMAINZ+0xfffffffffffffffc
 
 RELOCATION RECORDS FOR [ELFMAINZ]:
 OFFSET           TYPE              VALUE

src/stub/tmp/amd64-linux.elf-fold.map

@@ -8,14 +8,14 @@ Linker script and memory map
 
                 0x0000000000000040                . = SIZEOF_HEADERS
 
-.text           0x0000000000000000      0x9cd
+.text           0x0000000000000000      0x9d9
- .text          0x0000000000000000      0x165 tmp/amd64-linux.elf-fold.o
+ .text          0x0000000000000000      0x173 tmp/amd64-linux.elf-fold.o
-                0x000000000000015d                get_page_mask
+                0x000000000000016b                get_page_mask
- *fill*         0x0000000000000165        0x3 00
+ *fill*         0x0000000000000173        0x1 00
- .text          0x0000000000000168        0x0 tmp/amd64-expand.o
+ .text          0x0000000000000174        0x0 tmp/amd64-expand.o
- .text          0x0000000000000168      0x865 tmp/amd64-linux.elf-main2.o
+ .text          0x0000000000000174      0x865 tmp/amd64-linux.elf-main2.o
-                0x0000000000000898                upx_main2
+                0x00000000000008a4                upx_main2
-                0x00000000000002c6                underlay
+                0x00000000000002d2                underlay
 
 UMF_LINUX       0x0000000000000000       0xf9
  UMF_LINUX      0x0000000000000000       0xf9 tmp/amd64-linux.elf-upxfd_linux.o

src/stub/tmp/amd64-linux.elf-so_fold.bin.dump

@@ -8,18 +8,18 @@ Idx Name          Size      VMA               LMA               File off  Algn
   3 SO_MAIN       0813  0  0  0150  2**4  CONTENTS
   4 SO_HEAD       044  0  0  0963  2**0  CONTENTS
   5 ptr_NEXT      0  0  0  09a7  2**0  CONTENTS
-  6 SO_TAIL       0c9  0  0  09a7  2**0  CONTENTS
+  6 SO_TAIL       0fa  0  0  09a7  2**0  CONTENTS
-  7 EXP_HEAD      0e9  0  0  0a70  2**0  CONTENTS
+  7 EXP_HEAD      0e9  0  0  0aa1  2**0  CONTENTS
-  8 NRV2E         0e8  0  0  0b59  2**0  CONTENTS
+  8 NRV2E         0e8  0  0  0b8a  2**0  CONTENTS
-  9 NRV2D         0db  0  0  0c41  2**0  CONTENTS
+  9 NRV2D         0db  0  0  0c72  2**0  CONTENTS
- 10 NRV2B         0c4  0  0  0d1c  2**0  CONTENTS
+ 10 NRV2B         0c4  0  0  0d4d  2**0  CONTENTS
- 11 LZMA_DAISY    0a  0  0  0de0  2**0  CONTENTS
+ 11 LZMA_DAISY    0a  0  0  0e11  2**0  CONTENTS
- 12 LZMA_ELF00    065  0  0  0dea  2**0  CONTENTS
+ 12 LZMA_ELF00    065  0  0  0e1b  2**0  CONTENTS
- 13 LZMA_DEC10    09f7  0  0  0e4f  2**0  CONTENTS
+ 13 LZMA_DEC10    09f7  0  0  0e80  2**0  CONTENTS
- 14 LZMA_DEC20    09f7  0  0  01846  2**0  CONTENTS
+ 14 LZMA_DEC20    09f7  0  0  01877  2**0  CONTENTS
- 15 LZMA_DEC30    019  0  0  0223d  2**0  CONTENTS
+ 15 LZMA_DEC30    019  0  0  0226e  2**0  CONTENTS
- 16 EXP_TAIL      014  0  0  02258  2**2  CONTENTS
+ 16 EXP_TAIL      014  0  0  02288  2**2  CONTENTS
- 17 STRCON        04b  0  0  0226c  2**0  CONTENTS
+ 17 STRCON        04b  0  0  0229c  2**0  CONTENTS
 SYMBOL TABLE:
 0000000000000000 l    d  SO_HEAD 0 SO_HEAD
 0000000000000000 l    d  EXP_HEAD 0 EXP_HEAD
@@ -54,22 +54,22 @@ SYMBOL TABLE:
 0000000000000000 g     F UMF_LINUX 0f9 upx_mmap_and_fd_linux
 0000000000000000 g     F SO_TAIL 0 eof
 00000000000004c3 g     F SO_MAIN 0b9 prep_SELinux
-00000000000000c1 g       SO_TAIL 0 write
+00000000000000ba g       SO_TAIL 0 write
 00000000000003fa g     F SO_MAIN 01d PF_to_PROT
-00000000000000af g       SO_TAIL 0 memfd_create
+00000000000000c2 g       SO_TAIL 0 memfd_create
-00000000000000c5 g       SO_TAIL 0 read
+00000000000000be g       SO_TAIL 0 read
 0000000000000184 g     F SO_MAIN 0ef make_hatch
 0000000000000013 g       SO_TAIL 0 memset
 0000000000000042 g       SO_TAIL 0 msync
 0000000000000011 g       SO_TAIL 0 my_bkpt
 0000000000000046 g       SO_TAIL 0 Pprotect
-00000000000000c1 g       SO_TAIL 0 Pwrite
+00000000000000ba g       SO_TAIL 0 Pwrite
 0000000000000095 g       SO_TAIL 0 Punmap
 00000000000000a7 g       SO_TAIL 0 exit
-00000000000000ba g       SO_TAIL 0 openat
+00000000000000b3 g       SO_TAIL 0 openat
 0000000000000080 g       SO_TAIL 0 open
 0000000000000057 g       SO_TAIL 0 mprotect
-00000000000000b6 g       SO_TAIL 0 close
+00000000000000af g       SO_TAIL 0 close
 000000000000057c g     F SO_MAIN 0297 upx_so_main
 
 RELOCATION RECORDS FOR [HUMF_A]:

src/stub/tmp/arm.v4a-linux.elf-entry.bin.dump

@@ -2,53 +2,100 @@ file format elf32-littlearm
 
 Sections:
 Idx Name          Size      VMA       LMA       File off  Algn  Flags
-  0 ELFMAINY      0  0  0  034  2**0  CONTENTS
+  0 ELFSIGSEGV    05c  0  0  034  2**0  CONTENTS
-  1 HUMF_A        04  0  0  034  2**0  CONTENTS
+  1 ELFMAINX2     0598  0  0  090  2**2  CONTENTS
-  2 HUMF_L        04  0  0  038  2**0  CONTENTS
+  2 ELFMAINY      0  0  0  0628  2**0  CONTENTS
-  3 UMF_ANDROID   0544  0  0  03c  2**2  CONTENTS
+  3 HUMF_A        04  0  0  0628  2**0  CONTENTS
-  4 UMF_LINUX     0144  0  0  0580  2**2  CONTENTS
+  4 HUMF_L        04  0  0  062c  2**0  CONTENTS
-  5 ELFMAINX      0264  0  0  06c4  2**2  CONTENTS
+  5 UMF_ANDROID   0544  0  0  0630  2**2  CONTENTS
-  6 ELFMAINZ      0218  0264  0264  0928  2**0  CONTENTS
+  6 UMF_LINUX     0144  0  0  0b74  2**2  CONTENTS
+  7 ELFMAINX      028  0  0  0cb8  2**0  CONTENTS
+  8 ELFMAINZ      0218  028  028  0ce0  2**0  CONTENTS
 SYMBOL TABLE:
+00000000 l    d  ELFSIGSEGV 0 ELFSIGSEGV
+00000000 l    d  ELFMAINX2 0 ELFMAINX2
 00000000 l    d  UMF_ANDROID 0 UMF_ANDROID
 00000000 l    d  UMF_LINUX 0 UMF_LINUX
 00000000 l    d  ELFMAINX 0 ELFMAINX
-00000264 l    d  ELFMAINZ 0 ELFMAINZ
+00000028 l    d  ELFMAINZ 0 ELFMAINZ
 00000000 l    d  ELFMAINY 0 ELFMAINY
 00000000 l    d  HUMF_A 0 HUMF_A
 00000000 l    d  HUMF_L 0 HUMF_L
-00000258 g       ELFMAINX 0 get_page_mask
+0000058c g       ELFMAINX2 0 get_page_mask
 00000000         *UND* 0 MFLG
-00000350 g       ELFMAINZ 0 getpid
+00000114 g       ELFMAINZ 0 getpid
-00000264 g       ELFMAINX 0 upx_mmap_and_fd
+00000598 g       ELFMAINX2 0 upx_mmap_and_fd
-0000026c g       ELFMAINZ 0 memcpy
+00000030 g       ELFMAINZ 0 memcpy
 00000000         *UND* 0 O_BINFO
-00000404 g       ELFMAINZ 0 Psync
+000001c8 g       ELFMAINZ 0 Psync
-000002b0 g       ELFMAINZ 0 mempcpy
+00000074 g       ELFMAINZ 0 mempcpy
-0000033c g       ELFMAINZ 0 ftruncate
+00000100 g       ELFMAINZ 0 ftruncate
-00000364 g       ELFMAINZ 0 lseek
+00000128 g       ELFMAINZ 0 lseek
 000002c4 g     F UMF_ANDROID 0280 upx_mmap_and_fd_android
-00000434 g       ELFMAINZ 0 mmap
+000001f8 g       ELFMAINZ 0 mmap
 00000000 g     F UMF_LINUX 0144 upx_mmap_and_fd_linux
-000003c8 g       ELFMAINZ 0 uname
+0000018c g       ELFMAINZ 0 uname
 00000000 g       ELFMAINY 0 end_decompress
-000003f0 g       ELFMAINZ 0 write
+000001b4 g       ELFMAINZ 0 write
-00000314 g       ELFMAINZ 0 fdatasync
+000000d8 g       ELFMAINZ 0 fdatasync
-00000264 g       ELFMAINZ 0 get_upxfn_path
+00000028 g       ELFMAINZ 0 get_upxfn_path
-000002cc g       ELFMAINZ 0 memfd_create
+00000090 g       ELFMAINZ 0 memfd_create
 00000004 g       ELFMAINX 0 _start
-000003a0 g       ELFMAINZ 0 read
+00000164 g       ELFMAINZ 0 read
-000003dc g       ELFMAINZ 0 unlink
+000001a0 g       ELFMAINZ 0 unlink
-00000290 g       ELFMAINZ 0 memset
+00000054 g       ELFMAINZ 0 memset
-00000194 g     F ELFMAINX 0c4 ucl_nrv2b_decompress_8
+000004c8 g     F ELFMAINX2 0c4 ucl_nrv2b_decompress_8
-0000042c g       ELFMAINZ 0 my_bkpt
+000001f0 g       ELFMAINZ 0 my_bkpt
-00000328 g       ELFMAINZ 0 fsync
+000000ec g       ELFMAINZ 0 fsync
-000003b4 g       ELFMAINZ 0 stat
+00000178 g       ELFMAINZ 0 stat
-0000047c g       ELFMAINZ 0 cpr0
+00000240 g       ELFMAINZ 0 cpr0
-00000300 g       ELFMAINZ 0 exit
+000000c4 g       ELFMAINZ 0 exit
-0000038c g       ELFMAINZ 0 open
+00000150 g       ELFMAINZ 0 open
-00000378 g       ELFMAINZ 0 mkdir
+0000013c g       ELFMAINZ 0 mkdir
-000002ec g       ELFMAINZ 0 close
+000000b0 g       ELFMAINZ 0 close
+
+RELOCATION RECORDS FOR [ELFSIGSEGV]:
+OFFSET   TYPE              VALUE
+00000000 R_ARM_PC24        ELFMAINX2
+00000038 R_ARM_PC24        ELFSIGSEGV
+
+RELOCATION RECORDS FOR [ELFMAINX2]:
+OFFSET   TYPE              VALUE
+00000004 R_ARM_PC24        ELFMAINX2
+00000008 R_ARM_PC24        ELFMAINX2
+00000014 R_ARM_PC24        ELFMAINX2
+0000001c R_ARM_PC24        ELFMAINX2
+00000030 R_ARM_PC24        ELFMAINZ
+00000068 R_ARM_PC24        ELFMAINX2
+00000078 R_ARM_PC24        upx_mmap_and_fd
+00000080 R_ARM_PC24        ELFMAINX2
+000000b0 R_ARM_PC24        ELFMAINX2
+000000f0 R_ARM_PC24        ELFMAINX2
+0000020c R_ARM_PC24        ELFMAINX2
+00000238 R_ARM_PC24        ELFMAINX2
+000003dc R_ARM_PC24        ELFMAINX2
+000003f4 R_ARM_PC24        ELFMAINX2
+0000041c R_ARM_PC24        ELFMAINX2
+00000420 R_ARM_PC24        ELFMAINX2
+0000042c R_ARM_PC24        ELFMAINX2
+000004a0 R_ARM_PC24        ELFMAINX2
+000004a4 R_ARM_PC24        ELFMAINX2
+000004c0 R_ARM_PC24        ELFMAINX2
+000004d8 R_ARM_PC24        ELFMAINX2
+00000510 R_ARM_PC24        ELFMAINX2
+00000518 R_ARM_PC24        ELFMAINX2
+0000051c R_ARM_PC24        ELFMAINX2
+0000052c R_ARM_PC24        ELFMAINX2
+00000530 R_ARM_PC24        ELFMAINX2
+00000534 R_ARM_PC24        ELFMAINX2
+00000540 R_ARM_PC24        ELFMAINX2
+00000550 R_ARM_PC24        ELFMAINX2
+00000554 R_ARM_PC24        ELFMAINX2
+0000055c R_ARM_PC24        ELFMAINX2
+00000564 R_ARM_PC24        ELFMAINX2
+00000568 R_ARM_PC24        ELFMAINX2
+00000584 R_ARM_PC24        ELFMAINX2
+00000588 R_ARM_PC24        ELFMAINX2
 
 RELOCATION RECORDS FOR [HUMF_A]:
 OFFSET   TYPE              VALUE
@@ -171,32 +218,7 @@ OFFSET   TYPE              VALUE
 RELOCATION RECORDS FOR [ELFMAINX]:
 OFFSET   TYPE              VALUE
 00000000 R_ARM_ABS32       MFLG
-00000010 R_ARM_PC24        ELFMAINX
 00000014 R_ARM_PC24        ELFMAINX
-00000020 R_ARM_PC24        ELFMAINX
-00000028 R_ARM_PC24        ELFMAINX
-00000058 R_ARM_PC24        ELFMAINZ
-00000090 R_ARM_PC24        ELFMAINX
-000000a0 R_ARM_PC24        upx_mmap_and_fd
-000000a8 R_ARM_PC24        ELFMAINX
-000000d8 R_ARM_PC24        ELFMAINX
-00000114 R_ARM_PC24        ELFMAINX
-0000018c R_ARM_PC24        ELFMAINX
-000001a4 R_ARM_PC24        ELFMAINX
-000001dc R_ARM_PC24        ELFMAINX
-000001e4 R_ARM_PC24        ELFMAINX
-000001e8 R_ARM_PC24        ELFMAINX
-000001f8 R_ARM_PC24        ELFMAINX
-000001fc R_ARM_PC24        ELFMAINX
-00000200 R_ARM_PC24        ELFMAINX
-0000020c R_ARM_PC24        ELFMAINX
-0000021c R_ARM_PC24        ELFMAINX
-00000220 R_ARM_PC24        ELFMAINX
-00000228 R_ARM_PC24        ELFMAINX
-00000230 R_ARM_PC24        ELFMAINX
-00000234 R_ARM_PC24        ELFMAINX
-00000250 R_ARM_PC24        ELFMAINX
-00000254 R_ARM_PC24        ELFMAINX
 
 RELOCATION RECORDS FOR [ELFMAINZ]:
 OFFSET   TYPE              VALUE

src/stub/tmp/arm.v4a-linux.elf-fold.map

@@ -7,24 +7,23 @@ Name             Origin             Length             Attributes
 Linker script and memory map
 
 
-.text           0x0000000000000000      0xcb8
+.text           0x0000000000000000      0xcc0
- .text          0x0000000000000000      0x398 tmp/arm.v4a-linux.elf-fold.o
+ .text          0x0000000000000000      0x3a0 tmp/arm.v4a-linux.elf-fold.o
                 0x0000000000000004                get_page_mask
-                0x0000000000000338                memcpy
+                0x0000000000000340                memcpy
                 0x0000000000000048                Psync
-                0x000000000000037c                mempcpy
+                0x0000000000000384                mempcpy
                 0x00000000000000b0                mmap
                 0x0000000000000098                mmap_privanon
                 0x000000000000000c                get_upxfn_path
-                0x000000000000035c                memset
+                0x0000000000000364                memset
-                0x00000000fffffff4                page_mask
                 0x0000000000000024                Pprotect
                 0x0000000000000024                mprotect
- .text          0x0000000000000398        0x0 tmp/arm.v4a-linux.elf-help_umf.o
+ .text          0x00000000000003a0        0x0 tmp/arm.v4a-linux.elf-help_umf.o
- .text          0x0000000000000398        0x0 tmp/arm.v4a-expand.o
+ .text          0x00000000000003a0        0x0 tmp/arm.v4a-expand.o
- .text          0x0000000000000398      0x920 tmp/arm.v4a-linux.elf-main2.o
+ .text          0x00000000000003a0      0x920 tmp/arm.v4a-linux.elf-main2.o
-                0x0000000000000c54                underlay
+                0x0000000000000c5c                underlay
-                0x0000000000000b24                upx_main
+                0x0000000000000b2c                upx_main
 
 SYSCALLS        0x0000000000000000      0x214
  SYSCALLS       0x0000000000000000      0x214 tmp/arm.v4a-linux.elf-fold.o

src/stub/tmp/arm.v5a-linux.elf-entry.bin.dump

@@ -2,14 +2,18 @@ file format elf32-littlearm
 
 Sections:
 Idx Name          Size      VMA       LMA       File off  Algn  Flags
-  0 ELFMAINY      0  0  0  034  2**0  CONTENTS
+  0 ELFSIGSEGV    05c  0  0  034  2**0  CONTENTS
-  1 ELFMAINZ      0218  0  0  034  2**0  CONTENTS
+  1 ELFMAINX2     0598  0  0  090  2**2  CONTENTS
-  2 HUMF_A        04  0  0  024c  2**0  CONTENTS
+  2 ELFMAINY      0  0  0  0628  2**0  CONTENTS
-  3 HUMF_L        04  0  0  0250  2**0  CONTENTS
+  3 ELFMAINZ      0218  0  0  0628  2**0  CONTENTS
-  4 UMF_ANDROID   054c  0  0  0254  2**2  CONTENTS
+  4 HUMF_A        04  0  0  0840  2**0  CONTENTS
-  5 UMF_LINUX     0140  0  0  07a0  2**2  CONTENTS
+  5 HUMF_L        04  0  0  0844  2**0  CONTENTS
-  6 ELFMAINX      0264  0  0  08e0  2**2  CONTENTS
+  6 UMF_ANDROID   054c  0  0  0848  2**2  CONTENTS
+  7 UMF_LINUX     0140  0  0  0d94  2**2  CONTENTS
+  8 ELFMAINX      028  0  0  0ed4  2**0  CONTENTS
 SYMBOL TABLE:
+00000000 l    d  ELFSIGSEGV 0 ELFSIGSEGV
+00000000 l    d  ELFMAINX2 0 ELFMAINX2
 00000000 l    d  ELFMAINZ 0 ELFMAINZ
 00000000 l    d  UMF_ANDROID 0 UMF_ANDROID
 00000000 l    d  UMF_LINUX 0 UMF_LINUX
@@ -17,10 +21,10 @@ SYMBOL TABLE:
 00000000 l    d  ELFMAINY 0 ELFMAINY
 00000000 l    d  HUMF_A 0 HUMF_A
 00000000 l    d  HUMF_L 0 HUMF_L
-00000258 g       ELFMAINX 0 get_page_mask
+0000058c g       ELFMAINX2 0 get_page_mask
 00000000         *UND* 0 MFLG
 000000ec g       ELFMAINZ 0 getpid
-00000264 g       ELFMAINX 0 upx_mmap_and_fd
+00000598 g       ELFMAINX2 0 upx_mmap_and_fd
 00000008 g       ELFMAINZ 0 memcpy
 00000000         *UND* 0 O_BINFO
 000001a0 g       ELFMAINZ 0 Psync
@@ -40,7 +44,7 @@ SYMBOL TABLE:
 0000013c g       ELFMAINZ 0 read
 00000178 g       ELFMAINZ 0 unlink
 0000002c g       ELFMAINZ 0 memset
-00000194 g     F ELFMAINX 0c4 ucl_nrv2b_decompress_8
+000004c8 g     F ELFMAINX2 0c4 ucl_nrv2b_decompress_8
 000001c8 g       ELFMAINZ 0 my_bkpt
 000000c4 g       ELFMAINZ 0 fsync
 00000150 g       ELFMAINZ 0 stat
@@ -50,6 +54,49 @@ SYMBOL TABLE:
 00000114 g       ELFMAINZ 0 mkdir
 00000088 g       ELFMAINZ 0 close
 
+RELOCATION RECORDS FOR [ELFSIGSEGV]:
+OFFSET   TYPE              VALUE
+00000000 R_ARM_PC24        ELFMAINX2
+00000038 R_ARM_PC24        ELFSIGSEGV
+
+RELOCATION RECORDS FOR [ELFMAINX2]:
+OFFSET   TYPE              VALUE
+00000004 R_ARM_PC24        ELFMAINX2
+00000008 R_ARM_PC24        ELFMAINX2
+00000014 R_ARM_PC24        ELFMAINX2
+0000001c R_ARM_PC24        ELFMAINX2
+00000030 R_ARM_PC24        ELFMAINZ
+00000068 R_ARM_PC24        ELFMAINX2
+00000078 R_ARM_PC24        upx_mmap_and_fd
+00000080 R_ARM_PC24        ELFMAINX2
+000000b0 R_ARM_PC24        ELFMAINX2
+000000f0 R_ARM_PC24        ELFMAINX2
+0000020c R_ARM_PC24        ELFMAINX2
+00000238 R_ARM_PC24        ELFMAINX2
+000003dc R_ARM_PC24        ELFMAINX2
+000003f4 R_ARM_PC24        ELFMAINX2
+0000041c R_ARM_PC24        ELFMAINX2
+00000420 R_ARM_PC24        ELFMAINX2
+0000042c R_ARM_PC24        ELFMAINX2
+000004a0 R_ARM_PC24        ELFMAINX2
+000004a4 R_ARM_PC24        ELFMAINX2
+000004c0 R_ARM_PC24        ELFMAINX2
+000004d8 R_ARM_PC24        ELFMAINX2
+00000510 R_ARM_PC24        ELFMAINX2
+00000518 R_ARM_PC24        ELFMAINX2
+0000051c R_ARM_PC24        ELFMAINX2
+0000052c R_ARM_PC24        ELFMAINX2
+00000530 R_ARM_PC24        ELFMAINX2
+00000534 R_ARM_PC24        ELFMAINX2
+00000540 R_ARM_PC24        ELFMAINX2
+00000550 R_ARM_PC24        ELFMAINX2
+00000554 R_ARM_PC24        ELFMAINX2
+0000055c R_ARM_PC24        ELFMAINX2
+00000564 R_ARM_PC24        ELFMAINX2
+00000568 R_ARM_PC24        ELFMAINX2
+00000584 R_ARM_PC24        ELFMAINX2
+00000588 R_ARM_PC24        ELFMAINX2
+
 RELOCATION RECORDS FOR [ELFMAINZ]:
 OFFSET   TYPE              VALUE
 0000000c R_ARM_PC24        ELFMAINZ
@@ -183,29 +230,4 @@ OFFSET   TYPE              VALUE
 RELOCATION RECORDS FOR [ELFMAINX]:
 OFFSET   TYPE              VALUE
 00000000 R_ARM_ABS32       MFLG
-00000010 R_ARM_PC24        ELFMAINX
 00000014 R_ARM_PC24        ELFMAINX
-00000020 R_ARM_PC24        ELFMAINX
-00000028 R_ARM_PC24        ELFMAINX
-00000058 R_ARM_PC24        ELFMAINZ
-00000090 R_ARM_PC24        ELFMAINX
-000000a0 R_ARM_PC24        upx_mmap_and_fd
-000000a8 R_ARM_PC24        ELFMAINX
-000000d8 R_ARM_PC24        ELFMAINX
-00000114 R_ARM_PC24        ELFMAINX
-0000018c R_ARM_PC24        ELFMAINX
-000001a4 R_ARM_PC24        ELFMAINX
-000001dc R_ARM_PC24        ELFMAINX
-000001e4 R_ARM_PC24        ELFMAINX
-000001e8 R_ARM_PC24        ELFMAINX
-000001f8 R_ARM_PC24        ELFMAINX
-000001fc R_ARM_PC24        ELFMAINX
-00000200 R_ARM_PC24        ELFMAINX
-0000020c R_ARM_PC24        ELFMAINX
-0000021c R_ARM_PC24        ELFMAINX
-00000220 R_ARM_PC24        ELFMAINX
-00000228 R_ARM_PC24        ELFMAINX
-00000230 R_ARM_PC24        ELFMAINX
-00000234 R_ARM_PC24        ELFMAINX
-00000250 R_ARM_PC24        ELFMAINX
-00000254 R_ARM_PC24        ELFMAINX

src/stub/tmp/arm.v5a-linux.elf-fold.map

@@ -7,24 +7,23 @@ Name             Origin             Length             Attributes
 Linker script and memory map
 
 
-.text           0x0000000000000000      0xcb8
+.text           0x0000000000000000      0xcc0
- .text          0x0000000000000000      0x398 tmp/arm.v5a-linux.elf-fold.o
+ .text          0x0000000000000000      0x3a0 tmp/arm.v5a-linux.elf-fold.o
                 0x0000000000000004                get_page_mask
-                0x0000000000000338                memcpy
+                0x0000000000000340                memcpy
                 0x0000000000000048                Psync
-                0x000000000000037c                mempcpy
+                0x0000000000000384                mempcpy
                 0x00000000000000b0                mmap
                 0x0000000000000098                mmap_privanon
                 0x000000000000000c                get_upxfn_path
-                0x000000000000035c                memset
+                0x0000000000000364                memset
-                0x00000000fffffff4                page_mask
                 0x0000000000000024                Pprotect
                 0x0000000000000024                mprotect
- .text          0x0000000000000398        0x0 tmp/arm.v5a-linux.elf-help_umf.o
+ .text          0x00000000000003a0        0x0 tmp/arm.v5a-linux.elf-help_umf.o
- .text          0x0000000000000398        0x0 tmp/arm.v5a-expand.o
+ .text          0x00000000000003a0        0x0 tmp/arm.v5a-expand.o
- .text          0x0000000000000398      0x920 tmp/arm.v5a-linux.elf-main2.o
+ .text          0x00000000000003a0      0x920 tmp/arm.v5a-linux.elf-main2.o
-                0x0000000000000c54                underlay
+                0x0000000000000c5c                underlay
-                0x0000000000000b24                upx_main
+                0x0000000000000b2c                upx_main
 
 SYSCALLS        0x0000000000000000      0x214
  SYSCALLS       0x0000000000000000      0x214 tmp/arm.v5a-linux.elf-fold.o

src/stub/tmp/arm64-linux.elf-entry.bin.dump

@@ -2,25 +2,34 @@ file format elf64-littleaarch64
 
 Sections:
 Idx Name          Size      VMA               LMA               File off  Algn  Flags
-  0 ELFMAINX      0228  0  0  040  2**2  CONTENTS
+  0 ELFMAINX      010  0  0  040  2**0  CONTENTS
-  1 ELFMAINY      0  0  0  0268  2**0  CONTENTS
+  1 ELFSIGSEGV    0378  0  0  050  2**2  CONTENTS
-  2 ELFMAINZ      01c  0  0  0268  2**2  CONTENTS
+  2 ELFMAINX2     0234  0  0  03c8  2**2  CONTENTS
+  3 ELFMAINY      0  0  0  05fc  2**0  CONTENTS
+  4 ELFMAINZ      0c  0  0  05fc  2**2  CONTENTS
 SYMBOL TABLE:
-0000000000000000 l    d  ELFMAINZ 0 ELFMAINZ
 0000000000000000 l    d  ELFMAINX 0 ELFMAINX
+0000000000000000 l    d  ELFMAINX2 0 ELFMAINX2
+0000000000000000 l    d  ELFMAINZ 0 ELFMAINZ
+0000000000000000 l    d  ELFSIGSEGV 0 ELFSIGSEGV
 0000000000000000 l    d  ELFMAINY 0 ELFMAINY
 0000000000000000         *UND* 0 MFLG
 0000000000000004 g       ELFMAINX 0 _start
-000000000000014c g     F ELFMAINX 0dc ucl_nrv2b_decompress_32
+0000000000000158 g     F ELFMAINX2 0dc ucl_nrv2b_decompress_32
 0000000000000000 g       ELFMAINY 0 end_decompress
 0000000000000000         *UND* 0 O_BINFO
 
 RELOCATION RECORDS FOR [ELFMAINX]:
 OFFSET           TYPE              VALUE
 0000000000000000 R_AARCH64_ABS32   MFLG
-000000000000003c R_AARCH64_CALL26  ELFMAINZ+0x0000000000000004
+000000000000000c R_AARCH64_ADR_PREL_LO21  ELFMAINX2+0x0000000000000148
-0000000000000048 R_AARCH64_ADR_PREL_LO21  ELFMAINZ
+
+RELOCATION RECORDS FOR [ELFMAINX2]:
+OFFSET           TYPE              VALUE
+0000000000000030 R_AARCH64_ADR_PREL_LO21  ELFMAINX-0x0000000000000004
+0000000000000040 R_AARCH64_CALL26  ELFMAINZ+0x0000000000000004
+000000000000004c R_AARCH64_ADR_PREL_LO21  ELFMAINZ
 
 RELOCATION RECORDS FOR [ELFMAINZ]:
 OFFSET           TYPE              VALUE
-0000000000000018 R_AARCH64_ABS32   O_BINFO
+0000000000000008 R_AARCH64_ABS32   O_BINFO

src/stub/tmp/arm64-linux.elf-fold.map

@@ -12,19 +12,19 @@ LOAD tmp/arm64-expand.o
 LOAD tmp/arm64-linux.elf-main2.o
 OUTPUT(tmp/arm64-linux.elf-fold.bin elf64-littleaarch64)
 
-.text           0x0000000000000000      0xb84
+.text           0x0000000000000000      0xb94
- .text          0x0000000000000000      0x2c4 tmp/arm64-linux.elf-fold.o
+ .text          0x0000000000000000      0x2d4 tmp/arm64-linux.elf-fold.o
-                0x0000000000000008                get_page_mask
+                0x0000000000000010                get_page_mask
-                0x0000000000000018                mmap_privanon
+                0x0000000000000020                mmap_privanon
-                0x0000000000000028                Psync
+                0x0000000000000030                Psync
-                0x0000000000000098                msync
+                0x00000000000000a0                msync
-                0x00000000000000a4                mmap
+                0x00000000000000ac                mmap
-                0x00000000000000c0                Pprotect
+                0x00000000000000c8                Pprotect
-                0x00000000000000c0                mprotect
+                0x00000000000000c8                mprotect
- .text          0x00000000000002c4        0x0 tmp/arm64-expand.o
+ .text          0x00000000000002d4        0x0 tmp/arm64-expand.o
- .text          0x00000000000002c4      0x8c0 tmp/arm64-linux.elf-main2.o
+ .text          0x00000000000002d4      0x8c0 tmp/arm64-linux.elf-main2.o
-                0x00000000000009e0                underlay
+                0x00000000000009f0                underlay
-                0x0000000000000a4c                upx_main2
+                0x0000000000000a5c                upx_main2
 
 .data           0x0000000000000000        0x0
  .data          0x0000000000000000        0x0 tmp/arm64-linux.elf-fold.o

src/stub/tmp/armeb.v4a-linux.elf-entry.bin.dump

@@ -2,14 +2,18 @@ file format elf32-bigarm
 
 Sections:
 Idx Name          Size      VMA       LMA       File off  Algn  Flags
-  0 ELFMAINY      0  0  0  034  2**0  CONTENTS
+  0 ELFSIGSEGV    05c  0  0  034  2**0  CONTENTS
-  1 ELFMAINZ      0218  0  0  034  2**0  CONTENTS
+  1 ELFMAINX2     0598  0  0  090  2**2  CONTENTS
-  2 HUMF_A        04  0  0  024c  2**0  CONTENTS
+  2 ELFMAINY      0  0  0  0628  2**0  CONTENTS
-  3 HUMF_L        04  0  0  0250  2**0  CONTENTS
+  3 ELFMAINZ      0218  0  0  0628  2**0  CONTENTS
-  4 UMF_ANDROID   0544  0  0  0254  2**2  CONTENTS
+  4 HUMF_A        04  0  0  0840  2**0  CONTENTS
-  5 UMF_LINUX     0144  0  0  0798  2**2  CONTENTS
+  5 HUMF_L        04  0  0  0844  2**0  CONTENTS
-  6 ELFMAINX      0264  0  0  08dc  2**2  CONTENTS
+  6 UMF_ANDROID   0544  0  0  0848  2**2  CONTENTS
+  7 UMF_LINUX     0144  0  0  0d8c  2**2  CONTENTS
+  8 ELFMAINX      028  0  0  0ed0  2**0  CONTENTS
 SYMBOL TABLE:
+00000000 l    d  ELFSIGSEGV 0 ELFSIGSEGV
+00000000 l    d  ELFMAINX2 0 ELFMAINX2
 00000000 l    d  ELFMAINZ 0 ELFMAINZ
 00000000 l    d  UMF_ANDROID 0 UMF_ANDROID
 00000000 l    d  UMF_LINUX 0 UMF_LINUX
@@ -17,10 +21,10 @@ SYMBOL TABLE:
 00000000 l    d  ELFMAINY 0 ELFMAINY
 00000000 l    d  HUMF_A 0 HUMF_A
 00000000 l    d  HUMF_L 0 HUMF_L
-00000258 g       ELFMAINX 0 get_page_mask
+0000058c g       ELFMAINX2 0 get_page_mask
 00000000         *UND* 0 MFLG
 000000ec g       ELFMAINZ 0 getpid
-00000264 g       ELFMAINX 0 upx_mmap_and_fd
+00000598 g       ELFMAINX2 0 upx_mmap_and_fd
 00000008 g       ELFMAINZ 0 memcpy
 00000000         *UND* 0 O_BINFO
 000001a0 g       ELFMAINZ 0 Psync
@@ -40,7 +44,7 @@ SYMBOL TABLE:
 0000013c g       ELFMAINZ 0 read
 00000178 g       ELFMAINZ 0 unlink
 0000002c g       ELFMAINZ 0 memset
-00000194 g     F ELFMAINX 0c4 ucl_nrv2b_decompress_8
+000004c8 g     F ELFMAINX2 0c4 ucl_nrv2b_decompress_8
 000001c8 g       ELFMAINZ 0 my_bkpt
 000000c4 g       ELFMAINZ 0 fsync
 00000150 g       ELFMAINZ 0 stat
@@ -50,6 +54,49 @@ SYMBOL TABLE:
 00000114 g       ELFMAINZ 0 mkdir
 00000088 g       ELFMAINZ 0 close
 
+RELOCATION RECORDS FOR [ELFSIGSEGV]:
+OFFSET   TYPE              VALUE
+00000000 R_ARM_PC24        ELFMAINX2
+00000038 R_ARM_PC24        ELFSIGSEGV
+
+RELOCATION RECORDS FOR [ELFMAINX2]:
+OFFSET   TYPE              VALUE
+00000004 R_ARM_PC24        ELFMAINX2
+00000008 R_ARM_PC24        ELFMAINX2
+00000014 R_ARM_PC24        ELFMAINX2
+0000001c R_ARM_PC24        ELFMAINX2
+00000030 R_ARM_PC24        ELFMAINZ
+00000068 R_ARM_PC24        ELFMAINX2
+00000078 R_ARM_PC24        upx_mmap_and_fd
+00000080 R_ARM_PC24        ELFMAINX2
+000000b0 R_ARM_PC24        ELFMAINX2
+000000f0 R_ARM_PC24        ELFMAINX2
+0000020c R_ARM_PC24        ELFMAINX2
+00000238 R_ARM_PC24        ELFMAINX2
+000003dc R_ARM_PC24        ELFMAINX2
+000003f4 R_ARM_PC24        ELFMAINX2
+0000041c R_ARM_PC24        ELFMAINX2
+00000420 R_ARM_PC24        ELFMAINX2
+0000042c R_ARM_PC24        ELFMAINX2
+000004a0 R_ARM_PC24        ELFMAINX2
+000004a4 R_ARM_PC24        ELFMAINX2
+000004c0 R_ARM_PC24        ELFMAINX2
+000004d8 R_ARM_PC24        ELFMAINX2
+00000510 R_ARM_PC24        ELFMAINX2
+00000518 R_ARM_PC24        ELFMAINX2
+0000051c R_ARM_PC24        ELFMAINX2
+0000052c R_ARM_PC24        ELFMAINX2
+00000530 R_ARM_PC24        ELFMAINX2
+00000534 R_ARM_PC24        ELFMAINX2
+00000540 R_ARM_PC24        ELFMAINX2
+00000550 R_ARM_PC24        ELFMAINX2
+00000554 R_ARM_PC24        ELFMAINX2
+0000055c R_ARM_PC24        ELFMAINX2
+00000564 R_ARM_PC24        ELFMAINX2
+00000568 R_ARM_PC24        ELFMAINX2
+00000584 R_ARM_PC24        ELFMAINX2
+00000588 R_ARM_PC24        ELFMAINX2
+
 RELOCATION RECORDS FOR [ELFMAINZ]:
 OFFSET   TYPE              VALUE
 0000000c R_ARM_PC24        ELFMAINZ
@@ -181,29 +228,4 @@ OFFSET   TYPE              VALUE
 RELOCATION RECORDS FOR [ELFMAINX]:
 OFFSET   TYPE              VALUE
 00000000 R_ARM_ABS32       MFLG
-00000010 R_ARM_PC24        ELFMAINX
 00000014 R_ARM_PC24        ELFMAINX
-00000020 R_ARM_PC24        ELFMAINX
-00000028 R_ARM_PC24        ELFMAINX
-00000058 R_ARM_PC24        ELFMAINZ
-00000090 R_ARM_PC24        ELFMAINX
-000000a0 R_ARM_PC24        upx_mmap_and_fd
-000000a8 R_ARM_PC24        ELFMAINX
-000000d8 R_ARM_PC24        ELFMAINX
-00000114 R_ARM_PC24        ELFMAINX
-0000018c R_ARM_PC24        ELFMAINX
-000001a4 R_ARM_PC24        ELFMAINX
-000001dc R_ARM_PC24        ELFMAINX
-000001e4 R_ARM_PC24        ELFMAINX
-000001e8 R_ARM_PC24        ELFMAINX
-000001f8 R_ARM_PC24        ELFMAINX
-000001fc R_ARM_PC24        ELFMAINX
-00000200 R_ARM_PC24        ELFMAINX
-0000020c R_ARM_PC24        ELFMAINX
-0000021c R_ARM_PC24        ELFMAINX
-00000220 R_ARM_PC24        ELFMAINX
-00000228 R_ARM_PC24        ELFMAINX
-00000230 R_ARM_PC24        ELFMAINX
-00000234 R_ARM_PC24        ELFMAINX
-00000250 R_ARM_PC24        ELFMAINX
-00000254 R_ARM_PC24        ELFMAINX

src/stub/tmp/armeb.v4a-linux.elf-fold.map

@@ -7,24 +7,23 @@ Name             Origin             Length             Attributes
 Linker script and memory map
 
 
-.text           0x0000000000000000      0xccc
+.text           0x0000000000000000      0xcd4
- .text          0x0000000000000000      0x398 tmp/armeb.v4a-linux.elf-fold.o
+ .text          0x0000000000000000      0x3a0 tmp/armeb.v4a-linux.elf-fold.o
                 0x0000000000000004                get_page_mask
-                0x0000000000000338                memcpy
+                0x0000000000000340                memcpy
                 0x0000000000000048                Psync
-                0x000000000000037c                mempcpy
+                0x0000000000000384                mempcpy
                 0x00000000000000b0                mmap
                 0x0000000000000098                mmap_privanon
                 0x000000000000000c                get_upxfn_path
-                0x000000000000035c                memset
+                0x0000000000000364                memset
-                0x00000000fffffff4                page_mask
                 0x0000000000000024                Pprotect
                 0x0000000000000024                mprotect
- .text          0x0000000000000398        0x0 tmp/armeb.v4a-linux.elf-help_umf.o
+ .text          0x00000000000003a0        0x0 tmp/armeb.v4a-linux.elf-help_umf.o
- .text          0x0000000000000398        0x0 tmp/armeb.v4a-expand.o
+ .text          0x00000000000003a0        0x0 tmp/armeb.v4a-expand.o
- .text          0x0000000000000398      0x934 tmp/armeb.v4a-linux.elf-main2.o
+ .text          0x00000000000003a0      0x934 tmp/armeb.v4a-linux.elf-main2.o
-                0x0000000000000c68                underlay
+                0x0000000000000c70                underlay
-                0x0000000000000b34                upx_main
+                0x0000000000000b3c                upx_main
 
 SYSCALLS        0x0000000000000000      0x214
  SYSCALLS       0x0000000000000000      0x214 tmp/armeb.v4a-linux.elf-fold.o

src/stub/tmp/powerpc64-linux.elf-fold.map

@@ -27,8 +27,8 @@ OUTPUT(tmp/powerpc64-linux.elf-fold.bin elf64-powerpc)
 .bss            0x0000000000000000        0x0
  .bss           0x0000000000000000        0x0 tmp/powerpc64-linux.elf-fold.o
 
-SYSCALLS        0x0000000000000000      0x148
+SYSCALLS        0x0000000000000000      0x15c
- SYSCALLS       0x0000000000000000      0x148 tmp/powerpc64-linux.elf-fold.o
+ SYSCALLS       0x0000000000000000      0x15c tmp/powerpc64-linux.elf-fold.o
                 0x0000000000000008                mmap
                 0x0000000000000020                munmap
                 0x0000000000000028                mprotect
@@ -44,9 +44,9 @@ SYSCALLS        0x0000000000000000      0x148
                 0x0000000000000070                openat
                 0x0000000000000078                close
                 0x0000000000000080                upxfd_create
-                0x00000000000000d8                memfd_create
+                0x00000000000000ec                memfd_create
-                0x000000000000011c                memcpy
+                0x0000000000000130                memcpy
-                0x0000000000000140                my_bkpt
+                0x0000000000000154                my_bkpt
 
 .comment        0x0000000000000000       0x33
  .comment       0x0000000000000000       0x33 tmp/powerpc64-linux.elf-fold.o

src/stub/tmp/powerpc64le-linux.elf-fold.map

@@ -27,8 +27,8 @@ OUTPUT(tmp/powerpc64le-linux.elf-fold.bin elf64-powerpcle)
 .bss            0x0000000000000000        0x0
  .bss           0x0000000000000000        0x0 tmp/powerpc64le-linux.elf-fold.o
 
-SYSCALLS        0x0000000000000000      0x148
+SYSCALLS        0x0000000000000000      0x15c
- SYSCALLS       0x0000000000000000      0x148 tmp/powerpc64le-linux.elf-fold.o
+ SYSCALLS       0x0000000000000000      0x15c tmp/powerpc64le-linux.elf-fold.o
                 0x0000000000000008                mmap
                 0x0000000000000020                munmap
                 0x0000000000000028                mprotect
@@ -44,9 +44,9 @@ SYSCALLS        0x0000000000000000      0x148
                 0x0000000000000070                openat
                 0x0000000000000078                close
                 0x0000000000000080                upxfd_create
-                0x00000000000000d8                memfd_create
+                0x00000000000000ec                memfd_create
-                0x000000000000011c                memcpy
+                0x0000000000000130                memcpy
-                0x0000000000000140                my_bkpt
+                0x0000000000000154                my_bkpt
 
 .comment        0x0000000000000000       0x33
  .comment       0x0000000000000000       0x33 tmp/powerpc64le-linux.elf-fold.o

src/util/cxxlib.h

@@ -33,351 +33,6 @@
 
 namespace upx {
 
-/*************************************************************************
-// core util
-**************************************************************************/
-
-// disable taking the address => force passing by reference (instead of pointer)
-#define UPX_CXX_DISABLE_ADDRESS(Klass)                                                             \
-private:                                                                                           \
-    Klass *operator&() const noexcept DELETED_FUNCTION;
-
-// disable copy and move
-#define UPX_CXX_DISABLE_COPY(KlassName)                                                            \
-private:                                                                                           \
-    KlassName(const KlassName &) noexcept DELETED_FUNCTION;            /* copy constructor */      \
-    KlassName &operator=(const KlassName &) noexcept DELETED_FUNCTION; /* copy assignment */
-#define UPX_CXX_DISABLE_MOVE(KlassName)                                                            \
-private:                                                                                           \
-    KlassName(KlassName &&) noexcept DELETED_FUNCTION;            /* move constructor */           \
-    KlassName &operator=(KlassName &&) noexcept DELETED_FUNCTION; /* move assignment */
-#define UPX_CXX_DISABLE_COPY_MOVE(KlassName)                                                       \
-    UPX_CXX_DISABLE_COPY(KlassName)                                                                \
-    UPX_CXX_DISABLE_MOVE(KlassName)
-
-// fun with C++: disable common "new" and ALL "delete" operators
-// https://en.cppreference.com/w/cpp/memory/new/operator_delete
-#define UPX_CXX_DISABLE_NEW_DELETE_IMPL__(Klass)                                                   \
-private:                                                                                           \
-    /* common allocation functions (4) */                                                          \
-    static void *operator new(std::size_t) DELETED_FUNCTION;                                       \
-    static void *operator new[](std::size_t) DELETED_FUNCTION;                                     \
-    static void *operator new(std::size_t, void *) DELETED_FUNCTION;                               \
-    static void *operator new[](std::size_t, void *) DELETED_FUNCTION;                             \
-    /* replaceable placement deallocation functions (4) */                                         \
-    static void operator delete(void *, const std::nothrow_t &) noexcept DELETED_FUNCTION;         \
-    static void operator delete[](void *, const std::nothrow_t &) noexcept DELETED_FUNCTION;       \
-    static void operator delete(void *, std::align_val_t, const std::nothrow_t &)                  \
-        noexcept DELETED_FUNCTION;                                                                 \
-    static void operator delete[](void *, std::align_val_t, const std::nothrow_t &)                \
-        noexcept DELETED_FUNCTION;                                                                 \
-    /* non-allocating placement deallocation functions (2) */                                      \
-    static void operator delete(void *, void *) noexcept DELETED_FUNCTION;                         \
-    static void operator delete[](void *, void *) noexcept DELETED_FUNCTION;
-
-/* class-specific usual deallocation functions (8) */
-#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDF_A__(Klass)                                           \
-protected:                                                                                         \
-    static void operator delete(void *) noexcept {}                                                \
-    static void operator delete(void *, std::align_val_t) noexcept {}                              \
-    static void operator delete(void *, std::size_t) noexcept {}                                   \
-    static void operator delete(void *, std::size_t, std::align_val_t) noexcept {}                 \
-private:                                                                                           \
-    static void operator delete[](void *) noexcept DELETED_FUNCTION;                               \
-    static void operator delete[](void *, std::align_val_t) noexcept DELETED_FUNCTION;             \
-    static void operator delete[](void *, std::size_t) noexcept DELETED_FUNCTION;                  \
-    static void operator delete[](void *, std::size_t, std::align_val_t) noexcept DELETED_FUNCTION;
-#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDF_B__(Klass)                                           \
-private:                                                                                           \
-    static void operator delete(void *) noexcept DELETED_FUNCTION;                                 \
-    static void operator delete[](void *) noexcept DELETED_FUNCTION;                               \
-    static void operator delete(void *, std::align_val_t) noexcept DELETED_FUNCTION;               \
-    static void operator delete[](void *, std::align_val_t) noexcept DELETED_FUNCTION;             \
-    static void operator delete(void *, std::size_t) noexcept DELETED_FUNCTION;                    \
-    static void operator delete[](void *, std::size_t) noexcept DELETED_FUNCTION;                  \
-    static void operator delete(void *, std::size_t, std::align_val_t) noexcept DELETED_FUNCTION;  \
-    static void operator delete[](void *, std::size_t, std::align_val_t) noexcept DELETED_FUNCTION;
-
-/* class-specific usual destroying deallocation functions (4) */
-#if __cplusplus >= 202002L
-#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_A__(Klass)                                          \
-protected:                                                                                         \
-    static void operator delete(Klass *, std::destroying_delete_t) noexcept {}                     \
-    static void operator delete(Klass *, std::destroying_delete_t, std::align_val_t) noexcept {}   \
-    static void operator delete(Klass *, std::destroying_delete_t, std::size_t) noexcept {}        \
-    static void operator delete(Klass *, std::destroying_delete_t, std::size_t, std::align_val_t)  \
-        noexcept {}                                                                                \
-private:
-#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_B__(Klass)                                          \
-private:                                                                                           \
-    static void operator delete(Klass *, std::destroying_delete_t) noexcept DELETED_FUNCTION;      \
-    static void operator delete(Klass *, std::destroying_delete_t, std::align_val_t)               \
-        noexcept DELETED_FUNCTION;                                                                 \
-    static void operator delete(Klass *, std::destroying_delete_t, std::size_t)                    \
-        noexcept DELETED_FUNCTION;                                                                 \
-    static void operator delete(Klass *, std::destroying_delete_t, std::size_t, std::align_val_t)  \
-        noexcept DELETED_FUNCTION;
-#else
-#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_A__(Klass) private:
-#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_B__(Klass) private:
-#endif
-
-// for classes which may have virtual methods
-#define UPX_CXX_DISABLE_NEW_DELETE(Klass)                                                          \
-    UPX_CXX_DISABLE_NEW_DELETE_IMPL__(Klass)                                                       \
-    UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDF_A__(Klass)                                               \
-    UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_A__(Klass)
-
-// this only works for classes WITHOUT any virtual methods
-#define UPX_CXX_DISABLE_NEW_DELETE_NO_VIRTUAL(Klass)                                               \
-    UPX_CXX_DISABLE_NEW_DELETE_IMPL__(Klass)                                                       \
-    UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDF_B__(Klass)                                               \
-    UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_B__(Klass)
-
-#if defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) // do not use std::align_val_t
-#undef UPX_CXX_DISABLE_NEW_DELETE
-#undef UPX_CXX_DISABLE_NEW_DELETE_NO_VIRTUAL
-#define UPX_CXX_DISABLE_NEW_DELETE(Klass)            private:
-#define UPX_CXX_DISABLE_NEW_DELETE_NO_VIRTUAL(Klass) private:
-#endif
-
-class noncopyable {
-protected:
-    forceinline constexpr noncopyable() noexcept {}
-#if __cplusplus >= 202002L
-    forceinline constexpr ~noncopyable() noexcept = default;
-#else
-    forceinline ~noncopyable() noexcept = default;
-#endif
-    UPX_CXX_DISABLE_COPY_MOVE(noncopyable)
-};
-
-/*************************************************************************
-// <type_traits>
-**************************************************************************/
-
-// is_bounded_array from C++20
-template <class T>
-struct is_bounded_array : public std::false_type {};
-template <class T, std::size_t N>
-struct is_bounded_array<T[N]> : public std::true_type {};
-template <class T>
-inline constexpr bool is_bounded_array_v = is_bounded_array<T>::value;
-
-// is_same_all and is_same_any: std::is_same for multiple types
-template <class T, class... Ts>
-struct is_same_all : public std::conjunction<std::is_same<T, Ts>...> {};
-template <class T, class... Ts>
-inline constexpr bool is_same_all_v = is_same_all<T, Ts...>::value;
-template <class T, class... Ts>
-struct is_same_any : public std::disjunction<std::is_same<T, Ts>...> {};
-template <class T, class... Ts>
-inline constexpr bool is_same_any_v = is_same_any<T, Ts...>::value;
-
-// remove_cvref from C++20
-template <class T>
-struct remove_cvref {
-    typedef typename std::remove_cv<typename std::remove_reference<T>::type>::type type;
-};
-template <class T>
-using remove_cvref_t = typename remove_cvref<T>::type;
-
-// type_identity from C++20
-template <class T>
-struct type_identity {
-    typedef T type;
-};
-template <class T>
-using type_identity_t = typename type_identity<T>::type;
-
-/*************************************************************************
-// <bit> C++20
-**************************************************************************/
-
-template <class T>
-forceinline constexpr bool has_single_bit(T x) noexcept {
-    return !(x == 0) && (x & (x - 1)) == 0;
-}
-
-/*************************************************************************
-// <algorithm>
-**************************************************************************/
-
-template <class T>
-inline constexpr T align_down(const T &x, const T &alignment) noexcept {
-    // assert_noexcept(has_single_bit(alignment)); // (not constexpr)
-    T r = {};
-    r = x - (x & (alignment - 1));
-    return r;
-}
-template <class T>
-inline constexpr T align_down_gap(const T &x, const T &alignment) noexcept {
-    // assert_noexcept(has_single_bit(alignment)); // (not constexpr)
-    T r = {};
-    r = x & (alignment - 1);
-    return r;
-}
-template <class T>
-inline constexpr T align_up(const T &x, const T &alignment) noexcept {
-    // assert_noexcept(has_single_bit(alignment)); // (not constexpr)
-    T r = {};
-    constexpr T zero = {};
-    r = x + ((zero - x) & (alignment - 1));
-    return r;
-}
-template <class T>
-inline constexpr T align_up_gap(const T &x, const T &alignment) noexcept {
-    // assert_noexcept(has_single_bit(alignment)); // (not constexpr)
-    T r = {};
-    constexpr T zero = {};
-    r = (zero - x) & (alignment - 1);
-    return r;
-}
-
-template <class T>
-forceinline constexpr T min(const T &a, const T &b) noexcept {
-    return b < a ? b : a;
-}
-template <class T>
-forceinline constexpr T max(const T &a, const T &b) noexcept {
-    return a < b ? b : a;
-}
-
-template <class T>
-inline constexpr bool is_uminmax_type = std::is_integral_v<T> && std::is_unsigned_v<T>;
-
-template <class T, class = std::enable_if_t<is_uminmax_type<T>, T> >
-forceinline constexpr T umin(const T &a, const T &b) noexcept {
-    return b < a ? b : a;
-}
-template <class T, class = std::enable_if_t<is_uminmax_type<T>, T> >
-forceinline constexpr T umax(const T &a, const T &b) noexcept {
-    return a < b ? b : a;
-}
-
-template <class T>
-forceinline constexpr T wrapping_add(const T &a, const T &b) noexcept {
-    static_assert(std::is_integral_v<T>);
-    typedef std::make_unsigned_t<T> U;
-    return T(U(a) + U(b));
-}
-
-template <class T>
-forceinline constexpr T wrapping_sub(const T &a, const T &b) noexcept {
-    static_assert(std::is_integral_v<T>);
-    typedef std::make_unsigned_t<T> U;
-    return T(U(a) - U(b));
-}
-
-/*************************************************************************
-// util
-**************************************************************************/
-
-template <std::size_t Size>
-struct UnsignedSizeOf final {
-    static_assert(Size >= 1 && Size <= UPX_RSIZE_MAX_MEM);
-    static constexpr unsigned value = unsigned(Size);
-};
-
-// a static_cast that does not trigger -Wcast-align warnings
-template <class Result, class From>
-forceinline constexpr Result ptr_static_cast(From *ptr) noexcept {
-    static_assert(std::is_pointer_v<Result>);
-    // don't cast through "void *" if type is convertible
-    typedef std::conditional_t<std::is_convertible_v<decltype(ptr), Result>, Result, void *>
-        VoidPtr;
-    // NOLINTNEXTLINE(bugprone-multi-level-implicit-pointer-conversion)
-    return static_cast<Result>(static_cast<VoidPtr>(ptr));
-}
-template <class Result, class From>
-forceinline constexpr Result ptr_static_cast(const From *ptr) noexcept {
-    static_assert(std::is_pointer_v<Result>);
-    static_assert(std::is_const_v<std::remove_pointer_t<Result> >); // required
-    // don't cast through "const void *" if type is convertible
-    typedef std::conditional_t<std::is_convertible_v<decltype(ptr), Result>, Result, const void *>
-        VoidPtr;
-    // NOLINTNEXTLINE(bugprone-multi-level-implicit-pointer-conversion)
-    return static_cast<Result>(static_cast<VoidPtr>(ptr));
-}
-
-#if WITH_THREADS
-// cast "T *" to "std::atomic<T> *"
-template <class T>
-forceinline std::atomic<T> *ptr_std_atomic_cast(T *ptr) noexcept {
-    // TODO later: make sure that this cast is indeed legal
-    std::atomic<T> *result = ptr_static_cast<std::atomic<T> *>(ptr);
-    static_assert(sizeof(*result) == sizeof(*ptr));
-    static_assert(alignof(decltype(*result)) == alignof(decltype(*ptr)));
-    return result;
-}
-#endif // WITH_THREADS
-
-// atomic_exchange
-template <class T>
-forceinline T atomic_exchange(T *ptr, T new_value) noexcept {
-#if 1
-    static_assert(sizeof(T) == sizeof(void *)); // UPX convention: restrict to pointer-size for now
-#endif
-    static_assert(std::is_standard_layout_v<T>);
-    static_assert(std::is_trivially_copyable_v<T>);
-#if !(WITH_THREADS)
-    T old_value = *ptr;
-    *ptr = new_value;
-    return old_value;
-#else
-    static_assert(sizeof(T) <= sizeof(void *)); // UPX convention: restrict to fundamental types
-    static_assert(alignof(T) == sizeof(T));     // UPX convention: require proper alignment
-#if __has_builtin(__atomic_exchange_n) && defined(__ATOMIC_SEQ_CST)
-    return __atomic_exchange_n(ptr, new_value, __ATOMIC_SEQ_CST);
-#elif __has_builtin(__sync_swap)
-    return __sync_swap(ptr, new_value);
-#else
-    return std::atomic_exchange(ptr_std_atomic_cast(ptr), new_value);
-#endif
-#endif
-}
-
-// helper classes so we don't leak memory on exceptions
-template <class T>
-struct ObjectDeleter final {
-    T **items;         // public
-    std::size_t count; // public
-    explicit ObjectDeleter(T **p, std::size_t n) noexcept : items(p), count(n) {}
-    ~ObjectDeleter() noexcept { delete_items(); }
-    void delete_items() noexcept {
-        for (std::size_t i = 0; i < count; i++) {
-            T *item = atomic_exchange(&items[i], (T *) nullptr);
-            delete item; // single object delete
-        }
-    }
-};
-template <class T>
-struct ArrayDeleter final {
-    T **items;         // public
-    std::size_t count; // public
-    explicit ArrayDeleter(T **p, std::size_t n) noexcept : items(p), count(n) {}
-    ~ArrayDeleter() noexcept { delete_items(); }
-    void delete_items() noexcept {
-        for (std::size_t i = 0; i < count; i++) {
-            T *item = atomic_exchange(&items[i], (T *) nullptr);
-            delete[] item; // array delete
-        }
-    }
-};
-template <class T>
-struct MallocDeleter final {
-    T **items;         // public
-    std::size_t count; // public
-    explicit MallocDeleter(T **p, std::size_t n) noexcept : items(p), count(n) {}
-    ~MallocDeleter() noexcept { delete_items(); }
-    void delete_items() noexcept {
-        for (std::size_t i = 0; i < count; i++) {
-            T *item = atomic_exchange(&items[i], (T *) nullptr);
-            ::free(item); // free memory from malloc()
-        }
-    }
-};
-
 /*************************************************************************
 // compile_time
 **************************************************************************/
@@ -537,63 +192,426 @@ forceinline constexpr void set_le64(byte *p, upx_uint64_t v) noexcept {
 forceinline constexpr upx_uint16_t get_ne16(const byte *p) noexcept {
 #if (ACC_ABI_BIG_ENDIAN)
     return get_be16(p);
-#else
+#elif (ACC_ABI_LITTLE_ENDIAN)
     return get_le16(p);
+#else
+#error "ACC_ABI_ENDIAN"
 #endif
 }
 forceinline constexpr upx_uint32_t get_ne24(const byte *p) noexcept {
 #if (ACC_ABI_BIG_ENDIAN)
     return get_be24(p);
-#else
+#elif (ACC_ABI_LITTLE_ENDIAN)
     return get_le24(p);
+#else
+#error "ACC_ABI_ENDIAN"
 #endif
 }
 forceinline constexpr upx_uint32_t get_ne32(const byte *p) noexcept {
 #if (ACC_ABI_BIG_ENDIAN)
     return get_be32(p);
-#else
+#elif (ACC_ABI_LITTLE_ENDIAN)
     return get_le32(p);
+#else
+#error "ACC_ABI_ENDIAN"
 #endif
 }
 forceinline constexpr upx_uint64_t get_ne64(const byte *p) noexcept {
 #if (ACC_ABI_BIG_ENDIAN)
     return get_be64(p);
-#else
+#elif (ACC_ABI_LITTLE_ENDIAN)
     return get_le64(p);
+#else
+#error "ACC_ABI_ENDIAN"
 #endif
 }
 
 forceinline constexpr void set_ne16(byte *p, upx_uint16_t v) noexcept {
 #if (ACC_ABI_BIG_ENDIAN)
     set_be16(p, v);
-#else
+#elif (ACC_ABI_LITTLE_ENDIAN)
     set_le16(p, v);
+#else
+#error "ACC_ABI_ENDIAN"
 #endif
 }
 forceinline constexpr void set_ne24(byte *p, upx_uint32_t v) noexcept {
 #if (ACC_ABI_BIG_ENDIAN)
     set_be24(p, v);
-#else
+#elif (ACC_ABI_LITTLE_ENDIAN)
     set_le24(p, v);
+#else
+#error "ACC_ABI_ENDIAN"
 #endif
 }
 forceinline constexpr void set_ne32(byte *p, upx_uint32_t v) noexcept {
 #if (ACC_ABI_BIG_ENDIAN)
     set_be32(p, v);
-#else
+#elif (ACC_ABI_LITTLE_ENDIAN)
     set_le32(p, v);
+#else
+#error "ACC_ABI_ENDIAN"
 #endif
 }
 forceinline constexpr void set_ne64(byte *p, upx_uint64_t v) noexcept {
 #if (ACC_ABI_BIG_ENDIAN)
     set_be64(p, v);
-#else
+#elif (ACC_ABI_LITTLE_ENDIAN)
     set_le64(p, v);
+#else
+#error "ACC_ABI_ENDIAN"
 #endif
 }
 
 } // namespace compile_time
 
+/*************************************************************************
+// core util
+**************************************************************************/
+
+// disable taking the address => force passing by reference (instead of pointer)
+#define UPX_CXX_DISABLE_ADDRESS(Klass)                                                             \
+private:                                                                                           \
+    Klass *operator&() const noexcept DELETED_FUNCTION;
+
+// disable copy and move
+#define UPX_CXX_DISABLE_COPY(KlassName)                                                            \
+private:                                                                                           \
+    KlassName(const KlassName &) noexcept DELETED_FUNCTION;            /* copy constructor */      \
+    KlassName &operator=(const KlassName &) noexcept DELETED_FUNCTION; /* copy assignment */
+#define UPX_CXX_DISABLE_MOVE(KlassName)                                                            \
+private:                                                                                           \
+    KlassName(KlassName &&) noexcept DELETED_FUNCTION;            /* move constructor */           \
+    KlassName &operator=(KlassName &&) noexcept DELETED_FUNCTION; /* move assignment */
+#define UPX_CXX_DISABLE_COPY_MOVE(KlassName)                                                       \
+    UPX_CXX_DISABLE_COPY(KlassName)                                                                \
+    UPX_CXX_DISABLE_MOVE(KlassName)
+
+// fun with C++: disable common "new" and ALL "delete" operators
+// https://en.cppreference.com/w/cpp/memory/new/operator_delete
+#define UPX_CXX_DISABLE_NEW_DELETE_IMPL__(Klass)                                                   \
+private:                                                                                           \
+    /* common allocation functions (4) */                                                          \
+    static void *operator new(std::size_t) DELETED_FUNCTION;                                       \
+    static void *operator new[](std::size_t) DELETED_FUNCTION;                                     \
+    static void *operator new(std::size_t, void *) DELETED_FUNCTION;                               \
+    static void *operator new[](std::size_t, void *) DELETED_FUNCTION;                             \
+    /* replaceable placement deallocation functions (4) */                                         \
+    static void operator delete(void *, const std::nothrow_t &) noexcept DELETED_FUNCTION;         \
+    static void operator delete[](void *, const std::nothrow_t &) noexcept DELETED_FUNCTION;       \
+    static void operator delete(void *, std::align_val_t, const std::nothrow_t &)                  \
+        noexcept DELETED_FUNCTION;                                                                 \
+    static void operator delete[](void *, std::align_val_t, const std::nothrow_t &)                \
+        noexcept DELETED_FUNCTION;                                                                 \
+    /* non-allocating placement deallocation functions (2) */                                      \
+    static void operator delete(void *, void *) noexcept DELETED_FUNCTION;                         \
+    static void operator delete[](void *, void *) noexcept DELETED_FUNCTION;
+
+/* class-specific usual deallocation functions (8) */
+#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDF_A__(Klass)                                           \
+protected:                                                                                         \
+    static void operator delete(void *) noexcept {}                                                \
+    static void operator delete(void *, std::align_val_t) noexcept {}                              \
+    static void operator delete(void *, std::size_t) noexcept {}                                   \
+    static void operator delete(void *, std::size_t, std::align_val_t) noexcept {}                 \
+private:                                                                                           \
+    static void operator delete[](void *) noexcept DELETED_FUNCTION;                               \
+    static void operator delete[](void *, std::align_val_t) noexcept DELETED_FUNCTION;             \
+    static void operator delete[](void *, std::size_t) noexcept DELETED_FUNCTION;                  \
+    static void operator delete[](void *, std::size_t, std::align_val_t) noexcept DELETED_FUNCTION;
+#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDF_B__(Klass)                                           \
+private:                                                                                           \
+    static void operator delete(void *) noexcept DELETED_FUNCTION;                                 \
+    static void operator delete[](void *) noexcept DELETED_FUNCTION;                               \
+    static void operator delete(void *, std::align_val_t) noexcept DELETED_FUNCTION;               \
+    static void operator delete[](void *, std::align_val_t) noexcept DELETED_FUNCTION;             \
+    static void operator delete(void *, std::size_t) noexcept DELETED_FUNCTION;                    \
+    static void operator delete[](void *, std::size_t) noexcept DELETED_FUNCTION;                  \
+    static void operator delete(void *, std::size_t, std::align_val_t) noexcept DELETED_FUNCTION;  \
+    static void operator delete[](void *, std::size_t, std::align_val_t) noexcept DELETED_FUNCTION;
+
+/* class-specific usual destroying deallocation functions (4) */
+#if __cplusplus >= 202002L
+#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_A__(Klass)                                          \
+protected:                                                                                         \
+    static void operator delete(Klass *, std::destroying_delete_t) noexcept {}                     \
+    static void operator delete(Klass *, std::destroying_delete_t, std::align_val_t) noexcept {}   \
+    static void operator delete(Klass *, std::destroying_delete_t, std::size_t) noexcept {}        \
+    static void operator delete(Klass *, std::destroying_delete_t, std::size_t, std::align_val_t)  \
+        noexcept {}                                                                                \
+private:
+#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_B__(Klass)                                          \
+private:                                                                                           \
+    static void operator delete(Klass *, std::destroying_delete_t) noexcept DELETED_FUNCTION;      \
+    static void operator delete(Klass *, std::destroying_delete_t, std::align_val_t)               \
+        noexcept DELETED_FUNCTION;                                                                 \
+    static void operator delete(Klass *, std::destroying_delete_t, std::size_t)                    \
+        noexcept DELETED_FUNCTION;                                                                 \
+    static void operator delete(Klass *, std::destroying_delete_t, std::size_t, std::align_val_t)  \
+        noexcept DELETED_FUNCTION;
+#else
+#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_A__(Klass) private:
+#define UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_B__(Klass) private:
+#endif
+
+// for classes which may have virtual methods
+#define UPX_CXX_DISABLE_NEW_DELETE(Klass)                                                          \
+    UPX_CXX_DISABLE_NEW_DELETE_IMPL__(Klass)                                                       \
+    UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDF_A__(Klass)                                               \
+    UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_A__(Klass)
+
+// this only works for classes WITHOUT any virtual methods
+#define UPX_CXX_DISABLE_NEW_DELETE_NO_VIRTUAL(Klass)                                               \
+    UPX_CXX_DISABLE_NEW_DELETE_IMPL__(Klass)                                                       \
+    UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDF_B__(Klass)                                               \
+    UPX_CXX_DISABLE_NEW_DELETE_IMPL_CSUDDF_B__(Klass)
+
+#if defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) // do not use std::align_val_t
+#undef UPX_CXX_DISABLE_NEW_DELETE
+#undef UPX_CXX_DISABLE_NEW_DELETE_NO_VIRTUAL
+#define UPX_CXX_DISABLE_NEW_DELETE(Klass)            private:
+#define UPX_CXX_DISABLE_NEW_DELETE_NO_VIRTUAL(Klass) private:
+#endif
+
+class NonCopyAble {
+protected:
+    forceinline constexpr NonCopyAble() noexcept {}
+#if __cplusplus >= 202002L
+    forceinline constexpr ~NonCopyAble() noexcept = default;
+#else
+    forceinline ~NonCopyAble() noexcept = default;
+#endif
+    UPX_CXX_DISABLE_COPY_MOVE(NonCopyAble)
+};
+typedef NonCopyAble noncopyable;
+
+/*************************************************************************
+// <type_traits>
+**************************************************************************/
+
+// is_bounded_array from C++20
+template <class T>
+struct is_bounded_array : public std::false_type {};
+template <class T, std::size_t N>
+struct is_bounded_array<T[N]> : public std::true_type {};
+template <class T>
+inline constexpr bool is_bounded_array_v = is_bounded_array<T>::value;
+
+// is_same_all and is_same_any: std::is_same for multiple types
+template <class T, class... Ts>
+struct is_same_all : public std::conjunction<std::is_same<T, Ts>...> {};
+template <class T, class... Ts>
+struct is_same_any : public std::disjunction<std::is_same<T, Ts>...> {};
+template <class T, class... Ts>
+inline constexpr bool is_same_all_v = is_same_all<T, Ts...>::value;
+template <class T, class... Ts>
+inline constexpr bool is_same_any_v = is_same_any<T, Ts...>::value;
+
+// remove_cvref from C++20
+template <class T>
+struct remove_cvref {
+    typedef typename std::remove_cv<typename std::remove_reference<T>::type>::type type;
+};
+template <class T>
+using remove_cvref_t = typename remove_cvref<T>::type;
+
+// type_identity from C++20
+template <class T>
+struct type_identity {
+    typedef T type;
+};
+template <class T>
+using type_identity_t = typename type_identity<T>::type;
+
+/*************************************************************************
+// <bit> C++20
+**************************************************************************/
+
+template <class T>
+forceinline constexpr bool has_single_bit(T x) noexcept {
+    return !(x == 0) && (x & (x - 1)) == 0;
+}
+
+/*************************************************************************
+// <algorithm>
+**************************************************************************/
+
+template <class T>
+inline constexpr T align_down(const T &x, const T &alignment) noexcept {
+    // assert_noexcept(has_single_bit(alignment)); // (not constexpr)
+    T r = {};
+    r = x - (x & (alignment - 1));
+    return r;
+}
+template <class T>
+inline constexpr T align_down_gap(const T &x, const T &alignment) noexcept {
+    // assert_noexcept(has_single_bit(alignment)); // (not constexpr)
+    T r = {};
+    r = x & (alignment - 1);
+    return r;
+}
+template <class T>
+inline constexpr T align_up(const T &x, const T &alignment) noexcept {
+    // assert_noexcept(has_single_bit(alignment)); // (not constexpr)
+    T r = {};
+    constexpr T zero = {};
+    r = x + ((zero - x) & (alignment - 1));
+    return r;
+}
+template <class T>
+inline constexpr T align_up_gap(const T &x, const T &alignment) noexcept {
+    // assert_noexcept(has_single_bit(alignment)); // (not constexpr)
+    T r = {};
+    constexpr T zero = {};
+    r = (zero - x) & (alignment - 1);
+    return r;
+}
+
+template <class T>
+forceinline constexpr T min(const T &a, const T &b) noexcept {
+    return b < a ? b : a;
+}
+template <class T>
+forceinline constexpr T max(const T &a, const T &b) noexcept {
+    return a < b ? b : a;
+}
+
+template <class T>
+inline constexpr bool is_uminmax_type = std::is_integral_v<T> && std::is_unsigned_v<T>;
+
+template <class T, class = std::enable_if_t<is_uminmax_type<T>, T> >
+forceinline constexpr T umin(const T &a, const T &b) noexcept {
+    return b < a ? b : a;
+}
+template <class T, class = std::enable_if_t<is_uminmax_type<T>, T> >
+forceinline constexpr T umax(const T &a, const T &b) noexcept {
+    return a < b ? b : a;
+}
+
+template <class T>
+forceinline constexpr T wrapping_add(const T &a, const T &b) noexcept {
+    static_assert(std::is_integral_v<T>);
+    typedef std::make_unsigned_t<T> U;
+    return T(U(a) + U(b));
+}
+template <class T>
+forceinline constexpr T wrapping_sub(const T &a, const T &b) noexcept {
+    static_assert(std::is_integral_v<T>);
+    typedef std::make_unsigned_t<T> U;
+    return T(U(a) - U(b));
+}
+
+/*************************************************************************
+// util
+**************************************************************************/
+
+template <std::size_t Size>
+struct UnsignedSizeOf final {
+    static_assert(Size >= 1 && Size <= UPX_RSIZE_MAX_MEM);
+    static constexpr unsigned value = unsigned(Size);
+};
+
+// a static_cast that does not trigger -Wcast-align warnings
+template <class Result, class From>
+forceinline constexpr Result ptr_static_cast(From *ptr) noexcept {
+    static_assert(std::is_pointer_v<Result>);
+    // don't cast through "void *" if type is convertible
+    typedef std::conditional_t<std::is_convertible_v<decltype(ptr), Result>, Result, void *>
+        VoidPtr;
+    // NOLINTNEXTLINE(bugprone-multi-level-implicit-pointer-conversion)
+    return static_cast<Result>(static_cast<VoidPtr>(ptr));
+}
+template <class Result, class From>
+forceinline constexpr Result ptr_static_cast(const From *ptr) noexcept {
+    static_assert(std::is_pointer_v<Result>);
+    static_assert(std::is_const_v<std::remove_pointer_t<Result> >); // required
+    // don't cast through "const void *" if type is convertible
+    typedef std::conditional_t<std::is_convertible_v<decltype(ptr), Result>, Result, const void *>
+        VoidPtr;
+    // NOLINTNEXTLINE(bugprone-multi-level-implicit-pointer-conversion)
+    return static_cast<Result>(static_cast<VoidPtr>(ptr));
+}
+
+#if WITH_THREADS
+// cast "T *" to "std::atomic<T> *"
+template <class T>
+forceinline std::atomic<T> *ptr_std_atomic_cast(T *ptr) noexcept {
+    // TODO later: make sure that this cast is indeed legal
+    std::atomic<T> *result = ptr_static_cast<std::atomic<T> *>(ptr);
+    static_assert(sizeof(*result) == sizeof(*ptr));
+    static_assert(alignof(decltype(*result)) == alignof(decltype(*ptr)));
+    return result;
+}
+#endif // WITH_THREADS
+
+// atomic_exchange
+template <class T>
+forceinline T atomic_exchange(T *ptr, T new_value) noexcept {
+#if 1
+    static_assert(sizeof(T) == sizeof(void *)); // UPX convention: restrict to pointer-size for now
+#endif
+    static_assert(std::is_standard_layout_v<T>);
+    static_assert(std::is_trivially_copyable_v<T>);
+#if !(WITH_THREADS)
+    T old_value = *ptr;
+    *ptr = new_value;
+    return old_value;
+#else
+    static_assert(sizeof(T) <= sizeof(void *)); // UPX convention: restrict to fundamental types
+    static_assert(alignof(T) == sizeof(T));     // UPX convention: require proper alignment
+#if __has_builtin(__atomic_exchange_n) && defined(__ATOMIC_SEQ_CST)
+    return __atomic_exchange_n(ptr, new_value, __ATOMIC_SEQ_CST);
+#elif __has_builtin(__sync_swap)
+    return __sync_swap(ptr, new_value);
+#else
+    return std::atomic_exchange(ptr_std_atomic_cast(ptr), new_value);
+#endif
+#endif
+}
+
+// helper classes so we don't leak memory on exceptions
+template <class T>
+struct ObjectDeleter final {
+    static_assert(std::is_nothrow_destructible_v<T>);
+    T **items;         // public
+    std::size_t count; // public
+    explicit ObjectDeleter(T **p, std::size_t n) noexcept : items(p), count(n) {}
+    ~ObjectDeleter() noexcept { delete_items(); }
+    void delete_items() noexcept {
+        for (std::size_t i = 0; i < count; i++) {
+            T *item = atomic_exchange(&items[i], (T *) nullptr);
+            delete item; // single object delete
+        }
+    }
+};
+template <class T>
+struct ArrayDeleter final {
+    static_assert(std::is_nothrow_destructible_v<T>);
+    T **items;         // public
+    std::size_t count; // public
+    explicit ArrayDeleter(T **p, std::size_t n) noexcept : items(p), count(n) {}
+    ~ArrayDeleter() noexcept { delete_items(); }
+    void delete_items() noexcept {
+        for (std::size_t i = 0; i < count; i++) {
+            T *item = atomic_exchange(&items[i], (T *) nullptr);
+            delete[] item; // array delete
+        }
+    }
+};
+template <class T>
+struct MallocDeleter final {
+    T **items;         // public
+    std::size_t count; // public
+    explicit MallocDeleter(T **p, std::size_t n) noexcept : items(p), count(n) {}
+    ~MallocDeleter() noexcept { delete_items(); }
+    void delete_items() noexcept {
+        for (std::size_t i = 0; i < count; i++) {
+            T *item = atomic_exchange(&items[i], (T *) nullptr);
+            ::free(item); // free memory from malloc()
+        }
+    }
+};
+
 /*************************************************************************
 // TriBool - tri-state bool
 // an enum with an underlying type and 3 values
@@ -605,10 +623,10 @@ struct TriBool final {
     static constexpr bool is_third_true = IsThirdTrue;
     // types
     typedef T underlying_type;
-    static_assert(std::is_integral_v<underlying_type>);
     typedef decltype(T(0) + T(0)) promoted_type;
-    static_assert(std::is_integral_v<promoted_type>);
     enum value_type : underlying_type { False = 0, True = 1, Third = 2 };
+    static_assert(std::is_integral_v<underlying_type>);
+    static_assert(std::is_integral_v<promoted_type>);
     static_assert(sizeof(value_type) == sizeof(underlying_type));
     static_assert(sizeof(underlying_type) <= sizeof(promoted_type));
     // constructors

src/util/membuffer.cpp

@@ -33,7 +33,8 @@
 
 // extra functions to reduce dependency on membuffer.h
 void *membuffer_get_void_ptr(MemBuffer &mb) noexcept { return mb.getVoidPtr(); }
-unsigned membuffer_get_size(MemBuffer &mb) noexcept { return mb.getSize(); }
+const void *membuffer_get_void_ptr(const MemBuffer &mb) noexcept { return mb.getVoidPtr(); }
+unsigned membuffer_get_size_in_bytes(const MemBuffer &mb) noexcept { return mb.getSizeInBytes(); }
 
 /*static*/ MemBuffer::Stats MemBuffer::stats;
 
@@ -61,7 +62,7 @@ static noinline void init_use_simple_mcheck() noexcept {
     }
     use_simple_mcheck_flag = r;
 }
-static bool use_simple_mcheck() noexcept {
+static noinline bool use_simple_mcheck() noexcept {
     static upx_std_once_flag init_done;
     upx_std_call_once(init_done, init_use_simple_mcheck);
     // NOTE: clang-analyzer-unix.Malloc does not know that this flag is "constant"; see below
@@ -83,22 +84,6 @@ MemBuffer::MemBuffer(upx_uint64_t bytes) may_throw : MemBufferBase<byte>() {
 
 MemBuffer::~MemBuffer() noexcept { this->dealloc(); }
 
-// similar to BoundedPtr, except checks only at creation
-// skip == offset, take == size_in_bytes
-void *MemBuffer::subref_impl(const char *errfmt, size_t skip, size_t take) {
-    debug_set(debug.last_return_address_subref, upx_return_address());
-    // check overrun and wrap-around
-    if (skip + take > size_in_bytes || skip + take < skip) {
-        char buf[100];
-        // printf is using unsigned formatting
-        if (!errfmt || !errfmt[0])
-            errfmt = "bad subref %#x %#x";
-        upx_safe_snprintf(buf, sizeof(buf), errfmt, (unsigned) skip, (unsigned) take);
-        throwCantPack(buf);
-    }
-    return ptr + skip;
-}
-
 /*static*/
 unsigned MemBuffer::getSizeForCompression(unsigned uncompressed_size, unsigned extra) {
     if (uncompressed_size == 0)
@@ -134,13 +119,31 @@ void MemBuffer::allocForDecompression(unsigned uncompressed_size, unsigned extra
     debug_set(debug.last_return_address_alloc, upx_return_address());
 }
 
-void MemBuffer::fill(unsigned off, unsigned len, int value) {
+void MemBuffer::fill(size_t off, size_t bytes, int value) {
     debug_set(debug.last_return_address_fill, upx_return_address());
     checkState();
-    if (off > size_in_bytes || len > size_in_bytes || off + len > size_in_bytes)
+    // check overrun and wrap-around
+    if very_unlikely (off + bytes > size_in_bytes || off + bytes < off)
         throwCantPack("MemBuffer::fill out of range; take care!");
-    if (len > 0)
+    if (bytes > 0)
-        memset(ptr + off, value, len);
+        memset(ptr + off, value, bytes);
+}
+
+// similar to BoundedPtr, except checks only at creation
+// skip == offset, take == size_in_bytes
+void *MemBuffer::subref_impl(const char *errfmt, size_t skip, size_t take) {
+    debug_set(debug.last_return_address_subref, upx_return_address());
+    checkState();
+    // check overrun and wrap-around
+    if very_unlikely (skip + take > size_in_bytes || skip + take < skip) {
+        char buf[100];
+        // printf is using unsigned formatting
+        if (!errfmt || !errfmt[0])
+            errfmt = "bad subref %#x %#x";
+        upx_safe_snprintf(buf, sizeof(buf), errfmt, (unsigned) skip, (unsigned) take);
+        throwCantPack(buf);
+    }
+    return ptr + skip;
 }
 
 /*************************************************************************
@@ -153,21 +156,21 @@ void MemBuffer::fill(unsigned off, unsigned len, int value) {
 #define MAGIC2(p)     ((PTR_BITS32(p) ^ 0xfefdbeeb ^ 0x88224411) | 1)
 
 void MemBuffer::checkState() const may_throw {
-    if (!ptr)
+    if very_unlikely (ptr == nullptr)
         throwInternalError("block not allocated");
     assert(size_in_bytes > 0);
     if (use_simple_mcheck()) {
         const byte *p = (const byte *) ptr;
-        if (get_ne32(p - 4) != MAGIC1(p))
+        if very_unlikely (get_ne32(p - 4) != MAGIC1(p))
             throwInternalError("memory clobbered before allocated block 1");
-        if (get_ne32(p - 8) != size_in_bytes)
+        if very_unlikely (get_ne32(p - 8) != size_in_bytes)
             throwInternalError("memory clobbered before allocated block 2");
-        if (get_ne32(p + size_in_bytes) != MAGIC2(p))
+        if very_unlikely (get_ne32(p + size_in_bytes) != MAGIC2(p))
             throwInternalError("memory clobbered past end of allocated block");
     }
 }
 
-void MemBuffer::alloc(upx_uint64_t bytes) may_throw {
+void MemBuffer::alloc(const upx_uint64_t bytes) may_throw {
     // INFO: we don't automatically free a used buffer
     assert(ptr == nullptr);
     assert(size_in_bytes == 0);
@@ -183,7 +186,7 @@ void MemBuffer::alloc(upx_uint64_t bytes) may_throw {
     NO_printf("MemBuffer::alloc %llu: %p\n", bytes, p);
     if (!p)
         throwOutOfMemoryException();
-    size_in_bytes = ACC_ICONV(unsigned, bytes);
+    size_in_bytes = size_type(bytes);
     if (use_simple_mcheck()) {
         p += 16;
         // store magic constants to detect buffer overruns
@@ -206,49 +209,60 @@ void MemBuffer::alloc(upx_uint64_t bytes) may_throw {
 }
 
 void MemBuffer::dealloc() noexcept {
-    if (ptr != nullptr) {
+    if (ptr == nullptr) {
-        debug_set(debug.last_return_address_dealloc, upx_return_address());
-#if DEBUG || 1
-        // info: calling checkState() here violates "noexcept", so we need a try block
-        bool shall_check = true;
-        // bool shall_check = (std::uncaught_exceptions() == 0); // only if not unwinding
-        // TODO later: add a priority() method to class Throwable
-        if (shall_check) {
-            try {
-                checkState();
-            } catch (const Throwable &e) {
-                printErr("unknown", e);
-                std::terminate();
-            } catch (...) {
-                std::terminate();
-            }
-        }
-#endif
-        stats.global_dealloc_counter += 1;
-        stats.global_total_active_bytes -= size_in_bytes;
-        if (use_simple_mcheck()) {
-            byte *p = (byte *) ptr;
-            // clear magic constants
-            set_ne32(p - 8, 0);
-            set_ne32(p - 4, 0);
-            set_ne32(p + size_in_bytes, 0);
-            set_ne32(p + size_in_bytes + 4, 0);
-            //
-            ::free(p - 16); // NOLINT(clang-analyzer-unix.Malloc) // see NOTE above
-        } else {
-            ::free(ptr); // NOLINT(clang-analyzer-unix.Malloc) // see NOTE above
-        }
-        ptr = nullptr;
-        size_in_bytes = 0;
-    } else {
         assert_noexcept(size_in_bytes == 0);
+        return;
     }
+    debug_set(debug.last_return_address_dealloc, upx_return_address());
+#if DEBUG || 1
+    // info: calling checkState() here violates "noexcept", so we need a try block
+    bool shall_check = true;
+    // bool shall_check = (std::uncaught_exceptions() == 0); // only if not unwinding
+    // TODO later: add a priority() method to class Throwable
+    if (shall_check) {
+        try {
+            checkState();
+        } catch (const Throwable &e) {
+            printErr("unknown", e);
+            std::terminate();
+        } catch (...) {
+            std::terminate();
+        }
+    }
+#endif
+    stats.global_dealloc_counter += 1;
+    stats.global_total_active_bytes -= size_in_bytes;
+    if (use_simple_mcheck()) {
+        byte *p = (byte *) ptr;
+        // clear magic constants
+        set_ne32(p - 8, 0);
+        set_ne32(p - 4, 0);
+        set_ne32(p + size_in_bytes, 0);
+        set_ne32(p + size_in_bytes + 4, 0);
+        //
+        ::free(p - 16); // NOLINT(clang-analyzer-unix.Malloc) // see NOTE above
+    } else {
+        ::free(ptr); // NOLINT(clang-analyzer-unix.Malloc) // see NOTE above
+    }
+    ptr = nullptr;
+    size_in_bytes = 0;
 }
 
 /*************************************************************************
 //
 **************************************************************************/
 
+TEST_CASE("MemBuffer unused 1") {
+    MemBuffer mb;
+    (void) mb;
+}
+
+TEST_CASE("MemBuffer unused 2") {
+    MemBuffer mb;
+    CHECK(mb.raw_ptr() == nullptr);
+    CHECK(mb.raw_size_in_bytes() == 0);
+}
+
 TEST_CASE("MemBuffer core") {
     constexpr size_t N = 64;
     MemBuffer mb;
@@ -292,45 +306,160 @@ TEST_CASE("MemBuffer core") {
 }
 
 TEST_CASE("MemBuffer global overloads") {
-    MemBuffer mb(1);
+    {
-    MemBuffer mb4(4);
+        MemBuffer mb1(1);
-    mb.clear();
+        MemBuffer mb4(4);
-    mb4.clear();
+        mb1.clear();
-    CHECK(memcmp(mb, "\x00", 1) == 0);
+        mb4.clear();
-    CHECK_THROWS(memcmp(mb, "\x00\x00", 2)); // NOLINT(bugprone-unused-return-value)
+        CHECK(memcmp(mb1, "\x00", 1) == 0);
-    CHECK_THROWS(memcmp("\x00\x00", mb, 2)); // NOLINT(bugprone-unused-return-value)
+        CHECK_THROWS(memcmp(mb1, "\x00\x00", 2)); // NOLINT(bugprone-unused-return-value)
-    CHECK_THROWS(memcmp(mb, mb4, 2));        // NOLINT(bugprone-unused-return-value)
+        CHECK_THROWS(memcmp("\x00\x00", mb1, 2)); // NOLINT(bugprone-unused-return-value)
-    CHECK_THROWS(memcmp(mb4, mb, 2));        // NOLINT(bugprone-unused-return-value)
+        CHECK_THROWS(memcmp(mb1, mb4, 2));        // NOLINT(bugprone-unused-return-value)
-    CHECK_NOTHROW(memset(mb, 255, 1));
+        CHECK_THROWS(memcmp(mb4, mb1, 2));        // NOLINT(bugprone-unused-return-value)
-    CHECK_THROWS(memset(mb, 254, 2));
+        CHECK_NOTHROW(memset(mb1, 255, 1));
-    CHECK(mb[0] == 255);
+        CHECK_THROWS(memset(mb1, 254, 2));
-    CHECK_THROWS(get_be16(mb));
+        CHECK(mb1[0] == 255);
-    CHECK_THROWS(get_be32(mb));
+    }
-    CHECK_THROWS(get_be64(mb));
-    CHECK_THROWS(get_le16(mb));
-    CHECK_THROWS(get_le32(mb));
-    CHECK_THROWS(get_le64(mb));
-    CHECK_NOTHROW(get_be16(mb4));
-    CHECK_NOTHROW(get_be32(mb4));
-    CHECK_THROWS(get_be64(mb4));
-    CHECK_NOTHROW(get_le16(mb4));
-    CHECK_NOTHROW(get_le32(mb4));
-    CHECK_THROWS(get_le64(mb4));
-    CHECK_NOTHROW(set_be32(mb4, 0));
-    CHECK_THROWS(set_be64(mb4, 0));
-    CHECK_NOTHROW(set_le32(mb4, 0));
-    CHECK_THROWS(set_le64(mb4, 0));
-}
 
-TEST_CASE("MemBuffer unused 1") {
+    for (size_t i = 1; i <= 16; i++) {
-    MemBuffer mb;
+        MemBuffer mb(i);
-    CHECK(mb.raw_ptr() == nullptr);
+        mb.clear();
-    CHECK(mb.raw_size_in_bytes() == 0);
-}
 
-TEST_CASE("MemBuffer unused 2") {
+        if (i < 2) {
-    MemBuffer mb;
+            CHECK_THROWS(get_ne16(mb));
-    (void) mb;
+            CHECK_THROWS(get_be16(mb));
+            CHECK_THROWS(get_le16(mb));
+            CHECK_THROWS(set_ne16(mb, 0));
+            CHECK_THROWS(set_be16(mb, 0));
+            CHECK_THROWS(set_le16(mb, 0));
+        } else {
+            CHECK_NOTHROW(get_ne16(mb));
+            CHECK_NOTHROW(get_be16(mb));
+            CHECK_NOTHROW(get_le16(mb));
+            CHECK_NOTHROW(set_ne16(mb, 0));
+            CHECK_NOTHROW(set_be16(mb, 0));
+            CHECK_NOTHROW(set_le16(mb, 0));
+        }
+        if (i < 3) {
+            CHECK_THROWS(get_ne24(mb));
+            CHECK_THROWS(get_be24(mb));
+            CHECK_THROWS(get_le24(mb));
+            CHECK_THROWS(set_ne24(mb, 0));
+            CHECK_THROWS(set_be24(mb, 0));
+            CHECK_THROWS(set_le24(mb, 0));
+        } else {
+            CHECK_NOTHROW(get_ne24(mb));
+            CHECK_NOTHROW(get_be24(mb));
+            CHECK_NOTHROW(get_le24(mb));
+            CHECK_NOTHROW(set_ne24(mb, 0));
+            CHECK_NOTHROW(set_be24(mb, 0));
+            CHECK_NOTHROW(set_le24(mb, 0));
+        }
+        if (i < 4) {
+            CHECK_THROWS(get_ne32(mb));
+            CHECK_THROWS(get_be32(mb));
+            CHECK_THROWS(get_le32(mb));
+            CHECK_THROWS(set_ne32(mb, 0));
+            CHECK_THROWS(set_be32(mb, 0));
+            CHECK_THROWS(set_le32(mb, 0));
+        } else {
+            CHECK_NOTHROW(get_ne32(mb));
+            CHECK_NOTHROW(get_be32(mb));
+            CHECK_NOTHROW(get_le32(mb));
+            CHECK_NOTHROW(set_ne32(mb, 0));
+            CHECK_NOTHROW(set_be32(mb, 0));
+            CHECK_NOTHROW(set_le32(mb, 0));
+        }
+        if (i < 8) {
+            CHECK_THROWS(get_ne64(mb));
+            CHECK_THROWS(get_be64(mb));
+            CHECK_THROWS(get_le64(mb));
+            CHECK_THROWS(set_ne64(mb, 0));
+            CHECK_THROWS(set_be64(mb, 0));
+            CHECK_THROWS(set_le64(mb, 0));
+        } else {
+            CHECK_NOTHROW(get_ne64(mb));
+            CHECK_NOTHROW(get_be64(mb));
+            CHECK_NOTHROW(get_le64(mb));
+            CHECK_NOTHROW(set_ne64(mb, 0));
+            CHECK_NOTHROW(set_be64(mb, 0));
+            CHECK_NOTHROW(set_le64(mb, 0));
+        }
+
+        CHECK_NOTHROW(mb.subref("", 0, 0));
+        CHECK_NOTHROW(mb.subref("", 0, i));
+        CHECK_NOTHROW(mb.subref("", i, 0));
+        CHECK_NOTHROW(mb.subref("", i - 1, 1));
+        CHECK_THROWS(mb.subref("", 0, i + 1));
+        CHECK_THROWS(mb.subref("", i + 1, 0));
+        CHECK_THROWS(mb.subref("", i, 1));
+        CHECK_THROWS(mb.subref("", (size_t) -1, 0));
+        CHECK_THROWS(mb.subref("", (size_t) -1, i));
+
+#if DEBUG || !(ACC_CC_CLANG && __PPC64__ && ACC_ABI_BIG_ENDIAN) || 0
+        // @COMPILER_BUG @CLANG_BUG
+        if (i < 2) {
+            CHECK_THROWS(mb.subref("", 0, sizeof(NE16)));
+            CHECK_THROWS(mb.subref("", 0, sizeof(BE16)));
+            CHECK_THROWS(mb.subref("", 0, sizeof(LE16)));
+        } else {
+            CHECK_NOTHROW(mb.subref("", 0, sizeof(NE16)));
+            CHECK_NOTHROW(mb.subref("", 0, sizeof(BE16)));
+            CHECK_NOTHROW(mb.subref("", 0, sizeof(LE16)));
+        }
+        if (i < 4) {
+            CHECK_THROWS(mb.subref("", 0, sizeof(NE32)));
+            CHECK_THROWS(mb.subref("", 0, sizeof(BE32)));
+            CHECK_THROWS(mb.subref("", 0, sizeof(LE32)));
+        } else {
+            CHECK_NOTHROW(mb.subref("", 0, sizeof(NE32)));
+            CHECK_NOTHROW(mb.subref("", 0, sizeof(BE32)));
+            CHECK_NOTHROW(mb.subref("", 0, sizeof(LE32)));
+        }
+        if (i < 8) {
+            CHECK_THROWS(mb.subref("", 0, sizeof(NE64)));
+            CHECK_THROWS(mb.subref("", 0, sizeof(BE64)));
+            CHECK_THROWS(mb.subref("", 0, sizeof(LE64)));
+        } else {
+            CHECK_NOTHROW(mb.subref("", 0, sizeof(NE64)));
+            CHECK_NOTHROW(mb.subref("", 0, sizeof(BE64)));
+            CHECK_NOTHROW(mb.subref("", 0, sizeof(LE64)));
+        }
+
+        CHECK_NOTHROW(mb.subref_u<byte *>("", 0));
+        CHECK_NOTHROW(mb.subref_u<byte *>("", i - 1));
+        CHECK_THROWS(mb.subref_u<byte *>("", i));
+        CHECK_THROWS(mb.subref_u<byte *>("", (size_t) -1));
+
+        if (i < 2) {
+            CHECK_THROWS(mb.subref_u<NE16 *>("", 0));
+            CHECK_THROWS(mb.subref_u<BE16 *>("", 0));
+            CHECK_THROWS(mb.subref_u<LE16 *>("", 0));
+        } else {
+            CHECK_NOTHROW(mb.subref_u<NE16 *>("", 0));
+            CHECK_NOTHROW(mb.subref_u<BE16 *>("", 0));
+            CHECK_NOTHROW(mb.subref_u<LE16 *>("", 0));
+        }
+        if (i < 4) {
+            CHECK_THROWS(mb.subref_u<NE32 *>("", 0));
+            CHECK_THROWS(mb.subref_u<BE32 *>("", 0));
+            CHECK_THROWS(mb.subref_u<LE32 *>("", 0));
+        } else {
+            CHECK_NOTHROW(mb.subref_u<NE32 *>("", 0));
+            CHECK_NOTHROW(mb.subref_u<BE32 *>("", 0));
+            CHECK_NOTHROW(mb.subref_u<LE32 *>("", 0));
+        }
+        if (i < 8) {
+            CHECK_THROWS(mb.subref_u<NE64 *>("", 0));
+            CHECK_THROWS(mb.subref_u<BE64 *>("", 0));
+            CHECK_THROWS(mb.subref_u<LE64 *>("", 0));
+        } else {
+            CHECK_NOTHROW(mb.subref_u<NE64 *>("", 0));
+            CHECK_NOTHROW(mb.subref_u<BE64 *>("", 0));
+            CHECK_NOTHROW(mb.subref_u<LE64 *>("", 0));
+        }
+#endif
+    }
 }
 
 TEST_CASE("MemBuffer array access") {

src/util/membuffer.h

@@ -41,9 +41,9 @@ public:
     typedef T element_type;
     typedef typename std::add_lvalue_reference<T>::type reference;
     typedef typename std::add_pointer<T>::type pointer;
-    typedef unsigned size_type; // limited by UPX_RSIZE_MAX
     typedef pointer iterator;
     typedef typename std::add_pointer<const T>::type const_iterator;
+    typedef size_t size_type; // limited by UPX_RSIZE_MAX
 protected:
     static const size_t element_size = sizeof(element_type);
 
@@ -62,8 +62,8 @@ public:
     // array access
     reference operator[](ptrdiff_t i) const may_throw {
         // NOTE: &array[SIZE] is *not* legal for containers like std::vector and MemBuffer !
-        if very_unlikely (i < 0 || mem_size(element_size, i) + element_size > size_in_bytes)
+        if very_unlikely (i < 0 || mem_size(element_size, i) >= size_in_bytes)
-            throwCantPack("MemBuffer invalid array index %td (%u bytes)", i, size_in_bytes);
+            throwCantPack("MemBuffer invalid array index %td (%zu bytes)", i, size_in_bytes);
         return ptr[i];
     }
     // dereference
@@ -169,8 +169,8 @@ inline typename MemBufferBase<T>::pointer raw_index_bytes(const MemBufferBase<T>
 #define XSPAN_REQUIRES_CONVERTIBLE_ANY_DIRECTION(A, B, RType)                                      \
     typename std::enable_if<std::is_same<A, B>::value, RType>::type
 #endif
-#define C                        MemBufferBase
 #define XSPAN_FWD_C_IS_MEMBUFFER 1
+#define C                        MemBufferBase
 #if WITH_XSPAN >= 1
 #define D XSPAN_NS(Ptr)
 #endif
@@ -194,22 +194,22 @@ public:
     static unsigned getSizeForDecompression(unsigned uncompressed_size, unsigned extra = 0)
         may_throw;
 
-    void alloc(upx_uint64_t bytes) may_throw;
+    noinline void alloc(upx_uint64_t bytes) may_throw;
     void allocForCompression(unsigned uncompressed_size, unsigned extra = 0) may_throw;
     void allocForDecompression(unsigned uncompressed_size, unsigned extra = 0) may_throw;
 
-    void dealloc() noexcept;
+    noinline void checkState() const may_throw;
-    void checkState() const may_throw;
+    noinline void dealloc() noexcept;
 
     // explicit conversion
     void *getVoidPtr() noexcept { return (void *) ptr; }
     const void *getVoidPtr() const noexcept { return (const void *) ptr; }
     unsigned getSizeInBytes() const noexcept { return size_in_bytes; }
-    unsigned getSize() const noexcept { return size_in_bytes; } // note: element_size == 1
+    unsigned getSize() const noexcept { return size_in_bytes / element_size; }
 
     // util
-    noinline void fill(unsigned off, unsigned len, int value) may_throw;
+    noinline void fill(size_t off, size_t bytes, int value) may_throw;
-    forceinline void clear(unsigned off, unsigned len) may_throw { fill(off, len, 0); }
+    forceinline void clear(size_t off, size_t bytes) may_throw { fill(off, bytes, 0); }
     forceinline void clear() may_throw { fill(0, size_in_bytes, 0); }
 
     // If the entire range [skip, skip+take) is inside the buffer,
@@ -219,9 +219,19 @@ public:
     forceinline pointer subref(const char *errfmt, size_t skip, size_t take) may_throw {
         return (pointer) subref_impl(errfmt, skip, take);
     }
+    template <class U>
+    forceinline U subref_u(const char *errfmt, size_t skip) may_throw {
+        COMPILE_TIME_ASSERT(std::is_pointer<U>::value)
+        return (U) subref_impl(errfmt, skip, sizeof(typename std::remove_pointer<U>::type));
+    }
+    template <class U>
+    forceinline U subref_u(const char *errfmt, size_t skip, size_t take) may_throw {
+        COMPILE_TIME_ASSERT(std::is_pointer<U>::value)
+        return (U) subref_impl(errfmt, skip, take);
+    }
 
 private:
-    void *subref_impl(const char *errfmt, size_t skip, size_t take) may_throw;
+    noinline void *subref_impl(const char *errfmt, size_t skip, size_t take) may_throw;
 
     // static debug stats
     struct Stats {
@@ -237,6 +247,7 @@ private:
 #endif
     };
     static Stats stats;
+
 #if DEBUG
     // debugging aid
     struct Debug {

src/util/system_check_predefs.h

@@ -115,8 +115,8 @@
 #if !defined(__ORDER_BIG_ENDIAN__) || (__ORDER_BIG_ENDIAN__ + 0 != 4321)
 #error "unexpected __ORDER_BIG_ENDIAN__"
 #endif
-#if !defined(__ORDER_BIG_ENDIAN__) || (__ORDER_LITTLE_ENDIAN__ + 0 != 1234)
+#if !defined(__ORDER_LITTLE_ENDIAN__) || (__ORDER_LITTLE_ENDIAN__ + 0 != 1234)
-#error "unexpected __ORDER_BIG_ENDIAN__"
+#error "unexpected __ORDER_LITTLE_ENDIAN__"
 #endif
 #if (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__) && (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__)
 #error "unexpected __BYTE_ORDER__"

src/util/system_features.h

@@ -75,6 +75,6 @@
 #define _LIBCPP_HAS_ALIGNED_ALLOCATION         0
 #endif
 #endif
-#endif
+#endif // _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION
 
 /* vim:set ts=4 sw=4 et: */

src/util/system_undefs.h

@@ -48,6 +48,7 @@
 #undef i386
 #undef large
 #undef linux
+#undef mc68000
 #undef mips
 #undef near
 #undef powerpc

src/util/util.cpp

@@ -71,7 +71,7 @@ bool mem_size_valid(upx_uint64_t element_size, upx_uint64_t n, upx_uint64_t extr
 }
 
 upx_rsize_t mem_size(upx_uint64_t element_size, upx_uint64_t n, upx_uint64_t extra1,
-                     upx_uint64_t extra2) {
+                     upx_uint64_t extra2) may_throw {
     assert(element_size > 0);
     if very_unlikely (element_size == 0 || element_size > UPX_RSIZE_MAX)
         throwCantPack("mem_size 1; take care");
@@ -144,7 +144,8 @@ TEST_CASE("ptr_diff") {
 }
 
 // check that 2 buffers do not overlap; will throw on error
-void ptraddr_check_no_overlap(upx_ptraddr_t a, size_t a_size, upx_ptraddr_t b, size_t b_size) {
+void ptraddr_check_no_overlap(upx_ptraddr_t a, size_t a_size, upx_ptraddr_t b, size_t b_size)
+    may_throw {
     if very_unlikely (a == 0 || b == 0)
         throwCantPack("ptr_check_no_overlap-nullptr");
     upx_ptraddr_t a_end = a + mem_size(1, a_size);
@@ -160,7 +161,7 @@ void ptraddr_check_no_overlap(upx_ptraddr_t a, size_t a_size, upx_ptraddr_t b, s
 
 // check that 3 buffers do not overlap; will throw on error
 void ptraddr_check_no_overlap(upx_ptraddr_t a, size_t a_size, upx_ptraddr_t b, size_t b_size,
-                              upx_ptraddr_t c, size_t c_size) {
+                              upx_ptraddr_t c, size_t c_size) may_throw {
     if very_unlikely (a == 0 || b == 0 || c == 0)
         throwCantPack("ptr_check_no_overlap-nullptr");
     upx_ptraddr_t a_end = a + mem_size(1, a_size);
@@ -253,6 +254,14 @@ TEST_CASE("ptr_check_no_overlap 3") {
 // stdlib
 **************************************************************************/
 
+void *upx_calloc(size_t n, size_t element_size) may_throw {
+    const upx_rsize_t bytes = mem_size(element_size, n); // assert size
+    void *p = ::malloc(bytes);
+    if (p != nullptr && bytes > 0)
+        memset(p, 0, bytes);
+    return p;
+}
+
 const char *upx_getenv(const char *envvar) noexcept {
     if (envvar != nullptr && envvar[0])
         return ::getenv(envvar);
@@ -260,11 +269,11 @@ const char *upx_getenv(const char *envvar) noexcept {
 }
 
 // random value from libc; quality is not important for UPX
-int upx_rand(void) noexcept {
+int upx_rand() noexcept {
     return ::rand(); // NOLINT(clang-analyzer-security.insecureAPI.rand)
 }
 
-void upx_rand_init(void) noexcept {
+void upx_rand_init() noexcept {
     unsigned seed = 0;
     seed ^= UPX_VERSION_HEX;
 #if (!HAVE_GETTIMEOFDAY || (ACC_OS_DOS32 && defined(__DJGPP__))) && !defined(__wasi__)
@@ -282,14 +291,6 @@ void upx_rand_init(void) noexcept {
     ::srand(seed);
 }
 
-void *upx_calloc(size_t n, size_t element_size) may_throw {
-    size_t bytes = mem_size(element_size, n); // assert size
-    void *p = ::malloc(bytes);
-    if (p != nullptr)
-        memset(p, 0, bytes);
-    return p;
-}
-
 // simple unoptimized memswap()
 // TODO later: CHERI clang-14 bug/miscompilation with upx_memswap(); or
 //   maybe caused by tagged-memory issues ???
@@ -420,6 +421,22 @@ void upx_std_stable_sort(void *array, size_t n, upx_compare_func_t compare) {
 #endif
 }
 
+#if UPX_CONFIG_USE_STABLE_SORT
+// instantiate function templates for all element sizes we need; efficient
+// run-time, but code size bloat (about 4KiB code size for each function
+// with my current libstdc++); not really needed as libc qsort() is
+// good enough for our use cases
+template void upx_std_stable_sort<1>(void *, size_t, upx_compare_func_t);
+template void upx_std_stable_sort<2>(void *, size_t, upx_compare_func_t);
+template void upx_std_stable_sort<4>(void *, size_t, upx_compare_func_t);
+template void upx_std_stable_sort<5>(void *, size_t, upx_compare_func_t);
+template void upx_std_stable_sort<8>(void *, size_t, upx_compare_func_t);
+template void upx_std_stable_sort<16>(void *, size_t, upx_compare_func_t);
+template void upx_std_stable_sort<32>(void *, size_t, upx_compare_func_t);
+template void upx_std_stable_sort<56>(void *, size_t, upx_compare_func_t);
+template void upx_std_stable_sort<72>(void *, size_t, upx_compare_func_t);
+#endif // UPX_CONFIG_USE_STABLE_SORT
+
 TEST_CASE("upx_memswap") {
     auto check4 = [](int off1, int off2, int len, int a, int b, int c, int d) {
         byte p[4] = {0, 1, 2, 3};
@@ -473,22 +490,6 @@ TEST_CASE("upx_memswap") {
     }
 }
 
-#if UPX_CONFIG_USE_STABLE_SORT
-// instantiate function templates for all element sizes we need; efficient
-// run-time, but code size bloat (about 4KiB code size for each function
-// with my current libstdc++); not really needed as libc qsort() is
-// good enough for our use cases
-template void upx_std_stable_sort<1>(void *, size_t, upx_compare_func_t);
-template void upx_std_stable_sort<2>(void *, size_t, upx_compare_func_t);
-template void upx_std_stable_sort<4>(void *, size_t, upx_compare_func_t);
-template void upx_std_stable_sort<5>(void *, size_t, upx_compare_func_t);
-template void upx_std_stable_sort<8>(void *, size_t, upx_compare_func_t);
-template void upx_std_stable_sort<16>(void *, size_t, upx_compare_func_t);
-template void upx_std_stable_sort<32>(void *, size_t, upx_compare_func_t);
-template void upx_std_stable_sort<56>(void *, size_t, upx_compare_func_t);
-template void upx_std_stable_sort<72>(void *, size_t, upx_compare_func_t);
-#endif // UPX_CONFIG_USE_STABLE_SORT
-
 #if !defined(DOCTEST_CONFIG_DISABLE) && DEBUG
 #if __cplusplus >= 202002L // use C++20 std::next_permutation() to test all permutations
 namespace {

src/util/util.h

@@ -67,13 +67,12 @@ inline void mem_size_assert(upx_uint64_t element_size, upx_uint64_t n) may_throw
 }
 
 // "new" with asserted size; will throw on invalid size
-#if DEBUG
 template <class T>
-T *NewArray(upx_uint64_t n) may_throw {
+inline T *NewT(upx_uint64_t n) may_throw {
     COMPILE_TIME_ASSERT(std::is_standard_layout<T>::value)
     COMPILE_TIME_ASSERT(std::is_trivially_copyable<T>::value)
     COMPILE_TIME_ASSERT(std::is_trivially_default_constructible<T>::value)
-    upx_rsize_t bytes = mem_size(sizeof(T), n); // assert size
+    const upx_rsize_t bytes = mem_size(sizeof(T), n); // assert size
     T *array = new T[size_t(n)];
 #if !defined(__SANITIZE_MEMORY__)
     if (array != nullptr && bytes > 0) {
@@ -84,11 +83,25 @@ T *NewArray(upx_uint64_t n) may_throw {
     UNUSED(bytes);
     return array;
 }
-#define New(type, n) (NewArray<type>((n)))
+#if DEBUG || 1
+#define New(type, n) (NewT<type>((n)))
 #else
 #define New(type, n) new type[mem_size_get_n(sizeof(type), (n))]
 #endif
 
+template <class T>
+inline T *New0T(upx_uint64_t n) may_throw {
+    COMPILE_TIME_ASSERT(std::is_standard_layout<T>::value)
+    COMPILE_TIME_ASSERT(std::is_trivially_copyable<T>::value)
+    COMPILE_TIME_ASSERT(std::is_trivially_default_constructible<T>::value)
+    const upx_rsize_t bytes = mem_size(sizeof(T), n); // assert size
+    T *array = new T[size_t(n)];
+    if (array != nullptr && bytes > 0)
+        memset(array, 0, bytes); // NOLINT(bugprone-multi-level-implicit-pointer-conversion)
+    return array;
+}
+#define New0(type, n) (New0T<type>((n)))
+
 /*************************************************************************
 // ptr util
 **************************************************************************/
@@ -121,18 +134,17 @@ forceinline bool ptr_is_aligned(const void *p, size_t alignment) noexcept {
 
 // ptrdiff_t with nullptr checks and asserted size; will throw on failure
 // NOTE: returns size_in_bytes, not number of elements!
-int ptr_diff_bytes(const void *a, const void *b) may_throw;
+noinline int ptr_diff_bytes(const void *a, const void *b) may_throw;
-unsigned ptr_udiff_bytes(const void *a, const void *b) may_throw; // asserts a >= b
+noinline unsigned ptr_udiff_bytes(const void *a, const void *b) may_throw; // asserts a >= b
 
 // short names "ptr_diff" and "ptr_udiff" for types with sizeof(X) == 1
 template <class T, class U>
-inline typename std::enable_if<sizeof(T) == 1 && sizeof(U) == 1, int>::type ptr_diff(const T *a,
+forceinline typename std::enable_if<sizeof(T) == 1 && sizeof(U) == 1, int>::type
-                                                                                     const U *b)
+ptr_diff(const T *a, const U *b) may_throw {
-    may_throw {
     return ptr_diff_bytes(a, b);
 }
 template <class T, class U>
-inline typename std::enable_if<sizeof(T) == 1 && sizeof(U) == 1, unsigned>::type
+forceinline typename std::enable_if<sizeof(T) == 1 && sizeof(U) == 1, unsigned>::type
 ptr_udiff(const T *a, const U *b) may_throw {
     return ptr_udiff_bytes(a, b);
 }
@@ -181,8 +193,8 @@ noinline const char *upx_getenv(const char *envvar) noexcept;
 
 noinline void upx_memswap(void *a, void *b, size_t bytes) noexcept;
 
-noinline void upx_rand_init(void) noexcept;
+noinline void upx_rand_init() noexcept;
-noinline int upx_rand(void) noexcept;
+noinline int upx_rand() noexcept;
 
 typedef int(__acc_cdecl_qsort *upx_compare_func_t)(const void *, const void *);
 typedef void (*upx_sort_func_t)(void *array, size_t n, size_t element_size, upx_compare_func_t);
@@ -229,7 +241,7 @@ bool maketempname(char *ofilename, size_t size, const char *ifilename, const cha
                   bool force = true);
 bool makebakname(char *ofilename, size_t size, const char *ifilename, bool force = true);
 
-bool is_envvar_true(const char *envvar, const char *alternate_name = nullptr) noexcept;
+noinline bool is_envvar_true(const char *envvar, const char *alternate_name = nullptr) noexcept;
 
 unsigned get_ratio(upx_uint64_t u_len, upx_uint64_t c_len);
 bool set_method_name(char *buf, size_t size, int method, int level);

src/util/xspan.cpp

@@ -44,33 +44,33 @@ struct XSpanStats {
 static XSpanStats xspan_stats;
 
 // HINT: set env-var "UPX_DEBUG_DOCTEST_DISABLE=1" for improved debugging experience
-void xspan_fail_nullptr() {
+void xspan_fail_nullptr() may_throw {
     xspan_stats.fail_nullptr += 1;
     throwCantPack("xspan unexpected NULL pointer; take care!");
 }
-void xspan_fail_nullbase() {
+void xspan_fail_nullbase() may_throw {
     xspan_stats.fail_nullbase += 1;
     throwCantPack("xspan unexpected NULL base; take care!");
 }
-void xspan_fail_not_same_base() {
+void xspan_fail_not_same_base() may_throw {
     xspan_stats.fail_not_same_base += 1;
     throwCantPack("xspan unexpected base pointer; take care!");
 }
 
-void xspan_fail_range_nullptr() {
+void xspan_fail_range_nullptr() may_throw {
     xspan_stats.fail_range_nullptr += 1;
     throwCantPack("xspan_check_range: unexpected NULL pointer; take care!");
 }
-void xspan_fail_range_nullbase() {
+void xspan_fail_range_nullbase() may_throw {
     xspan_stats.fail_range_nullbase += 1;
     throwCantPack("xspan_check_range: unexpected NULL base; take care!");
 }
-void xspan_fail_range_range() {
+void xspan_fail_range_range() may_throw {
     xspan_stats.fail_range_range += 1;
     throwCantPack("xspan_check_range: pointer out of range; take care!");
 }
 
-void xspan_check_range(const void *ptr, const void *base, ptrdiff_t size_in_bytes) {
+void xspan_check_range(const void *ptr, const void *base, ptrdiff_t size_in_bytes) may_throw {
     xspan_stats.check_range_counter += 1;
     if very_unlikely (ptr == nullptr)
         xspan_fail_range_nullptr();

src/util/xspan_fwd.h

@@ -92,7 +92,7 @@ XSPAN_FWD_TU_VOIDPTR(int) memcmp(const C<T> &a, const E<U> &b, size_t n) {
 #endif
 
 template <class T>
-inline void *memcpy(C<T> a, const void *b, size_t n) {
+inline void *memcpy(const C<T> a, const void *b, size_t n) {
     return memcpy(a.raw_bytes(n), b, n);
 }
 template <class T>
@@ -114,7 +114,7 @@ XSPAN_FWD_TU_VOIDPTR(void *) memcpy(const C<T> &a, const E<U> &b, size_t n) {
 #endif
 
 template <class T>
-inline void *memmove(C<T> a, const void *b, size_t n) {
+inline void *memmove(const C<T> a, const void *b, size_t n) {
     return memmove(a.raw_bytes(n), b, n);
 }
 template <class T>
@@ -204,6 +204,10 @@ inline unsigned get_ne16(const C<T> &a) {
     return get_ne16(a.raw_bytes(2));
 }
 template <class T>
+inline unsigned get_ne24(const C<T> &a) {
+    return get_ne24(a.raw_bytes(3));
+}
+template <class T>
 inline unsigned get_ne32(const C<T> &a) {
     return get_ne32(a.raw_bytes(4));
 }
@@ -217,6 +221,10 @@ inline unsigned get_be16(const C<T> &a) {
     return get_be16(a.raw_bytes(2));
 }
 template <class T>
+inline unsigned get_be24(const C<T> &a) {
+    return get_be24(a.raw_bytes(3));
+}
+template <class T>
 inline unsigned get_be32(const C<T> &a) {
     return get_be32(a.raw_bytes(4));
 }
@@ -247,6 +255,10 @@ inline void set_ne16(const C<T> &a, unsigned v) {
     return set_ne16(a.raw_bytes(2), v);
 }
 template <class T>
+inline void set_ne24(const C<T> &a, unsigned v) {
+    return set_ne24(a.raw_bytes(3), v);
+}
+template <class T>
 inline void set_ne32(const C<T> &a, unsigned v) {
     return set_ne32(a.raw_bytes(4), v);
 }
@@ -260,6 +272,10 @@ inline void set_be16(const C<T> &a, unsigned v) {
     return set_be16(a.raw_bytes(2), v);
 }
 template <class T>
+inline void set_be24(const C<T> &a, unsigned v) {
+    return set_be24(a.raw_bytes(3), v);
+}
+template <class T>
 inline void set_be32(const C<T> &a, unsigned v) {
     return set_be32(a.raw_bytes(4), v);
 }

src/util/xspan_impl.h

@@ -43,12 +43,12 @@
 XSPAN_NAMESPACE_BEGIN
 
 // HINT: set env-var "UPX_DEBUG_DOCTEST_DISABLE=1" for improved debugging experience
-noreturn void xspan_fail_nullptr(void) may_throw;
+noreturn void xspan_fail_nullptr() may_throw;
-noreturn void xspan_fail_nullbase(void) may_throw;
+noreturn void xspan_fail_nullbase() may_throw;
-noreturn void xspan_fail_not_same_base(void) may_throw;
+noreturn void xspan_fail_not_same_base() may_throw;
-noreturn void xspan_fail_range_nullptr(void) may_throw;
+noreturn void xspan_fail_range_nullptr() may_throw;
-noreturn void xspan_fail_range_nullbase(void) may_throw;
+noreturn void xspan_fail_range_nullbase() may_throw;
-noreturn void xspan_fail_range_range(void) may_throw;
+noreturn void xspan_fail_range_range() may_throw;
 void xspan_check_range(const void *ptr, const void *base, ptrdiff_t size_in_bytes) may_throw;
 
 // help constructor to distinguish between number of elements and bytes
@@ -225,6 +225,7 @@ XSPAN_NAMESPACE_END
 #ifndef XSPAN_DELETED_FUNCTION
 #define XSPAN_DELETED_FUNCTION = delete
 #endif
+
 // function/method constraints
 #define XSPAN_REQUIRES_CONVERTIBLE_ONE_DIRECTION(From, To, RType)                                  \
     typename std::enable_if<XSPAN_NS(XSpan_is_convertible) < From, To>::value, RType > ::type
@@ -250,6 +251,7 @@ XSPAN_NAMESPACE_END
 #include "xspan_impl_ptr_or_span.h"
 #include "xspan_impl_span.h"
 #include "xspan_impl_ptr.h"
+
 #undef XSPAN_REQUIRES_CONVERTIBLE_ONE_DIRECTION
 #undef XSPAN_REQUIRES_CONVERTIBLE_ANY_DIRECTION
 #undef XSPAN_REQUIRES_CONVERTIBLE_A

src/util/xspan_impl_common.h

@@ -34,11 +34,6 @@ class CSelf {
 #endif
 
 public:
-    typedef T element_type;
-    typedef typename std::add_lvalue_reference<T>::type reference;
-    typedef typename std::add_pointer<T>::type pointer;
-    typedef size_t size_type;
-
     // befriend all
     template <class>
     friend struct PtrOrSpan;
@@ -47,6 +42,11 @@ public:
     template <class>
     friend struct Span;
 
+    typedef T element_type;
+    typedef typename std::add_lvalue_reference<T>::type reference;
+    typedef typename std::add_pointer<T>::type pointer;
+    typedef size_t size_type;
+
 #if XSPAN_CONFIG_ENABLE_IMPLICIT_CONVERSION
 public:
     operator pointer() const noexcept { return ptr; }
@@ -119,6 +119,7 @@ forceinline ~CSelf() noexcept {}
         size_in_bytes = 0;
         assertInvariants();
     }
+
     // constructors from pointers
     CSelf(pointer first, XSpanCount count)
         : ptr(makePtr(first)), base(makeBase(first)),
@@ -171,12 +172,13 @@ forceinline ~CSelf() noexcept {}
     // constructors from MemBuffer
     CSelf(MemBuffer &mb)
         : CSelf(makeNotNull((pointer) membuffer_get_void_ptr(mb)),
-                XSpanSizeInBytes(membuffer_get_size(mb))) {}
+                XSpanSizeInBytes(membuffer_get_size_in_bytes(mb))) {}
     CSelf(pointer first, MemBuffer &mb)
-        : CSelf(first, XSpanSizeInBytes(membuffer_get_size(mb)),
+        : CSelf(first, XSpanSizeInBytes(membuffer_get_size_in_bytes(mb)),
                 makeNotNull((pointer) membuffer_get_void_ptr(mb))) {}
     CSelf(std::nullptr_t, MemBuffer &) XSPAN_DELETED_FUNCTION;
 #endif
+
     // disable constructors from nullptr to catch compile-time misuse
 private:
     CSelf(std::nullptr_t, XSpanCount) XSPAN_DELETED_FUNCTION;
@@ -404,7 +406,7 @@ public:
     }
 
 private:
-    pointer check_deref(pointer p) const {
+    pointer check_deref(pointer p) const may_throw {
         assertInvariants();
         if __acc_cte (!configRequirePtr && p == nullptr)
             xspan_fail_nullptr();
@@ -412,7 +414,7 @@ private:
             xspan_check_range(p, base, size_in_bytes - sizeof(T));
         return p;
     }
-    pointer check_deref(pointer p, ptrdiff_t n) const {
+    pointer check_deref(pointer p, ptrdiff_t n) const may_throw {
         assertInvariants();
         if __acc_cte (!configRequirePtr && p == nullptr)
             xspan_fail_nullptr();
@@ -422,7 +424,7 @@ private:
             xspan_check_range(p, base, size_in_bytes - sizeof(T));
         return p;
     }
-    pointer check_add(pointer p, ptrdiff_t n) const {
+    pointer check_add(pointer p, ptrdiff_t n) const may_throw {
         assertInvariants();
         if __acc_cte (!configRequirePtr && p == nullptr)
             xspan_fail_nullptr();
@@ -442,14 +444,15 @@ public: // raw access
     pointer raw_base() const noexcept { return base; }
     size_type raw_size_in_bytes() const noexcept { return size_in_bytes; }
 
-    pointer raw_bytes(size_t bytes) const {
+    pointer raw_bytes(size_t bytes) const may_throw {
         assertInvariants();
         if (bytes > 0) {
             if __acc_cte (!configRequirePtr && ptr == nullptr)
                 xspan_fail_nullptr();
-            if __acc_cte (configRequireBase || base != nullptr) {
+            if __acc_cte (configRequireBase || base != nullptr)
                 xspan_check_range(ptr, base, size_in_bytes - bytes);
-            }
+            if very_unlikely (__acc_cte(VALGRIND_CHECK_MEM_IS_ADDRESSABLE(ptr, bytes) != 0))
+                throwCantPack("raw_bytes valgrind-check-mem");
         }
         return ptr;
     }