John Reiser
16b18e9396
workaround: MIPS.r3000 early uClibc forgot memset(,0,) of local array
...
ldso/ldso/ldso.c: _dl_get_ready_to_run()
_dl_memset(app_tpnt, 0, sizeof(*app_tpnt));
modified: stub/src/mipsel.r3000-linux.elf-fold.S
modified: stub/mips.r3000-linux.elf-fold.h
modified: stub/mipsel.r3000-linux.elf-fold.h
2020-05-26 14:49:25 -07:00
John Reiser
cd58a66fda
MIPS32 works: ELF layout for page holes
...
modified: stub/src/include/linux.h
modified: stub/src/mipsel.r3000-linux.elf-entry.S
modified: stub/src/mipsel.r3000-linux.elf-fold.S
modified: stub/mips.r3000-linux.elf-entry.h
modified: stub/mips.r3000-linux.elf-fold.h
modified: stub/mipsel.r3000-linux.elf-entry.h
modified: stub/mipsel.r3000-linux.elf-fold.h
modified: stub/tmp/mips.r3000-linux.elf-entry.bin.dump
modified: stub/tmp/mips.r3000-linux.elf-fold.map
modified: stub/tmp/mipsel.r3000-linux.elf-entry.bin.dump
modified: stub/tmp/mipsel.r3000-linux.elf-fold.map
2020-05-25 14:13:01 -07:00
John Reiser
655d574513
clarity; no functional change
...
modified: stub/src/powerpc-linux.elf-entry.S
2020-05-25 14:07:58 -07:00
John Reiser
ec24c1985a
DPRINTF the munmap
...
modified: stub/src/i386-linux.elf-main.c
2020-05-25 14:05:58 -07:00
John Reiser
4c1fc63b56
powerpc64 works: ELF layout for page holes
...
modified: stub/src/powerpc64le-linux.elf-entry.S
modified: stub/src/powerpc64le-linux.elf-fold.S
modified: stub/powerpc64-linux.elf-entry.h
modified: stub/powerpc64-linux.elf-fold.h
modified: stub/powerpc64le-linux.elf-entry.h
modified: stub/powerpc64le-linux.elf-fold.h
modified: stub/tmp/powerpc64-linux.elf-entry.bin.dump
modified: stub/tmp/powerpc64-linux.elf-fold.map
modified: stub/tmp/powerpc64le-linux.elf-entry.bin.dump
modified: stub/tmp/powerpc64le-linux.elf-fold.map
2020-05-23 11:18:32 -07:00
John Reiser
eed09f92b9
powerpc32 works: ELF layout for page holes
...
modified: stub/src/powerpc-linux.elf-entry.S
modified: stub/src/powerpc-linux.elf-fold.S
modified: stub/powerpc-linux.elf-entry.h
modified: stub/powerpc-linux.elf-fold.h
modified: stub/tmp/powerpc-linux.elf-entry.bin.dump
modified: stub/tmp/powerpc-linux.elf-fold.map
2020-05-23 08:00:35 -07:00
John Reiser
58304100b2
i386 works: ELF layout for page holes
...
modified: stub/src/i386-linux.elf-entry.S
modified: stub/src/i386-linux.elf-fold.S
modified: stub/src/i386-linux.elf-main.c
modified: stub/arm.v4a-linux.elf-fold.h
modified: stub/arm.v5a-linux.elf-fold.h
modified: stub/armeb.v4a-linux.elf-fold.h
modified: stub/i386-linux.elf-entry.h
modified: stub/i386-linux.elf-fold.h
modified: stub/mips.r3000-linux.elf-fold.h
modified: stub/mipsel.r3000-linux.elf-fold.h
modified: stub/powerpc-linux.elf-fold.h
modified: stub/src/include/linux.h
modified: stub/tmp/arm.v4a-linux.elf-fold.map
modified: stub/tmp/arm.v5a-linux.elf-fold.map
modified: stub/tmp/armeb.v4a-linux.elf-fold.map
modified: stub/tmp/i386-linux.elf-entry.bin.dump
modified: stub/tmp/i386-linux.elf-fold.map
modified: stub/tmp/mips.r3000-linux.elf-fold.map
modified: stub/tmp/mipsel.r3000-linux.elf-fold.map
modified: stub/tmp/powerpc-linux.elf-fold.map
2020-05-15 16:05:26 -07:00
John Reiser
0d87fb4175
arm.v4a works: ELF layout for page holes
...
modified: p_lx_elf.cpp
modified: stub/src/i386-linux.elf-main.c
modified: stub/src/arm.v4a-linux.elf-entry.S
modified: stub/src/arm.v4a-linux.elf-fold.S
modified: stub/arm.v4a-linux.elf-entry.h
modified: stub/arm.v4a-linux.elf-fold.h
modified: stub/arm.v5a-linux.elf-entry.h
modified: stub/arm.v5a-linux.elf-fold.h
modified: stub/armeb.v4a-linux.elf-entry.h
modified: stub/armeb.v4a-linux.elf-fold.h
modified: stub/i386-linux.elf-fold.h
modified: stub/mips.r3000-linux.elf-fold.h
modified: stub/mipsel.r3000-linux.elf-fold.h
modified: stub/powerpc-linux.elf-fold.h
modified: stub/tmp/arm.v4a-linux.elf-entry.bin.dump
modified: stub/tmp/arm.v4a-linux.elf-fold.map
modified: stub/tmp/arm.v5a-linux.elf-entry.bin.dump
modified: stub/tmp/arm.v5a-linux.elf-fold.map
modified: stub/tmp/armeb.v4a-linux.elf-entry.bin.dump
modified: stub/tmp/armeb.v4a-linux.elf-fold.map
modified: stub/tmp/i386-linux.elf-fold.map
modified: stub/tmp/mips.r3000-linux.elf-fold.map
modified: stub/tmp/mipsel.r3000-linux.elf-fold.map
modified: stub/tmp/powerpc-linux.elf-fold.map
2020-05-14 15:10:40 -07:00
John Reiser
356c3f620e
arm64 works: ELF layout for page holes
...
modified: stub/src/arm64-linux.elf-entry.S
modified: stub/src/arm64-linux.elf-fold.S
modified: stub/arm64-linux.elf-entry.h
modified: stub/arm64-linux.elf-fold.h
modified: stub/tmp/arm64-linux.elf-entry.bin.dump
modified: stub/tmp/arm64-linux.elf-fold.map
2020-05-10 09:18:06 -07:00
John Reiser
ba8b71721d
un-debug
...
modified: stub/src/amd64-linux.elf-fold.S
modified: stub/amd64-linux.elf-fold.h
modified: stub/tmp/amd64-linux.elf-fold.map
2020-05-09 09:46:51 -07:00
John Reiser
c2cde11b6d
unmap C_TEXT
...
modified: stub/src/amd64-linux.elf-fold.S
modified: stub/amd64-linux.elf-fold.h
modified: stub/tmp/amd64-linux.elf-fold.map
2020-05-09 09:45:02 -07:00
John Reiser
9b0f523d00
ELF layout for page holes when runtime PAGE_SIZE < .p_align
...
amd64 works
modified: p_lx_elf.cpp
modified: stub/src/amd64-linux.elf-entry.S
modified: stub/src/amd64-linux.elf-fold.S
modified: stub/src/amd64-linux.elf-main.c
modified: Makefile
modified: stub/amd64-linux.elf-entry.h
modified: stub/amd64-linux.elf-fold.h
modified: stub/amd64-linux.shlib-init.h
modified: stub/arm64-linux.elf-fold.h
modified: stub/powerpc64-linux.elf-fold.h
modified: stub/powerpc64le-linux.elf-fold.h
modified: stub/src/amd64-linux.shlib-init.S
modified: stub/tmp/amd64-linux.elf-entry.bin.dump
modified: stub/tmp/amd64-linux.elf-fold.map
modified: stub/tmp/amd64-linux.shlib-init.bin.dump
modified: stub/tmp/arm64-linux.elf-fold.map
modified: stub/tmp/powerpc64-linux.elf-fold.map
modified: stub/tmp/powerpc64le-linux.elf-fold.map
2020-05-09 08:05:05 -07:00
John Reiser
4fb1d41be8
MIPS stub mprotect() suffered from [non-]inlining.
...
https://github.com/upx/upx/issues/342
https://github.com/upx/upx/issues/339
modified: src/stub/src/include/linux.h
consequences:
modified: .github/travis_testsuite_1-expected_sha256sums.sh
modified: src/stub/mips.r3000-linux.elf-fold.h
modified: src/stub/mipsel.r3000-linux.elf-fold.h
modified: src/stub/tmp/mips.r3000-linux.elf-fold.map
modified: src/stub/tmp/mipsel.r3000-linux.elf-fold.map
2020-02-08 19:55:08 -08:00
John Reiser
936013f60c
Decompression escape hatch for ELF can require a new page.
...
If not enough room on last page of .text, and ElfXX_Ehdr not PF_X,
then the escape hatch must use a new page.
https://github.com/upx/upx/issues/308
modified: ../.github/travis_testsuite_1-expected_sha256sums.sh
modified: stub/src/amd64-linux.elf-main.c
modified: stub/src/i386-linux.elf-main.c
Plus stub/*-linux.elf-fold.h and stub/tmp/*-linux.elf-fold.map
2020-01-19 13:25:55 -08:00
Markus F.X.J. Oberhumer
6a6c6d84eb
Rebuild stubs.
2020-01-08 04:30:08 +01:00
Markus F.X.J. Oberhumer
d1174385ef
Welcome 2020.
2020-01-08 04:13:28 +01:00
John Reiser
e2833cf303
Message when /proc/self/exe lacks Read permission
...
Done: amd64, 32-bit ARM, 64-bit ARM. TODO: mips, PowerpC
https://github.com/upx/upx/issues/302
modified: stub/amd64-linux.elf-entry.h
modified: stub/arm.v4a-linux.elf-entry.h
modified: stub/arm.v5a-linux.elf-entry.h
modified: stub/arm64-linux.elf-entry.h
modified: stub/armeb.v4a-linux.elf-entry.h
modified: stub/src/amd64-linux.elf-entry.S
modified: stub/src/arm.v4a-linux.elf-entry.S
modified: stub/src/arm64-linux.elf-entry.S
modified: stub/src/arm64-linux.elf-fold.S
modified: stub/tmp/amd64-linux.elf-entry.bin.dump
modified: stub/tmp/arm.v4a-linux.elf-entry.bin.dump
modified: stub/tmp/arm.v5a-linux.elf-entry.bin.dump
modified: stub/tmp/arm64-linux.elf-entry.bin.dump
modified: stub/tmp/armeb.v4a-linux.elf-entry.bin.dump
2019-10-27 21:30:41 -07:00
John Reiser
801de73dbe
random assembler?
...
modified: ../stub/arm64-linux.elf-entry.h
2019-10-27 21:15:15 -07:00
John Reiser
c33603e324
'bound' register was clobbered
...
modified: stub/src/arch/arm64/v8/lzma_d-arm.S
2019-07-14 13:05:52 -07:00
John Reiser
8aadbcd786
Enable standalone compiling, to investigate size of compiled code
...
modified: stub/src/arch/arm64/v8/lzma_d-arm.S
modified: stub/src/arch/arm64/v8/lzma_d.S
modified: stub/src/arch/arm64/v8/nrv2b_d32.S
modified: stub/src/arch/arm64/v8/nrv2d_d32.S
modified: stub/src/arch/arm64/v8/nrv2e_d32.S
2019-03-03 14:27:33 -08:00
John Reiser
517bc9db0b
PR_SET_MM (previous commit had typo) is from 7 years ago: 2012
...
modified: stub/src/include/linux.h
2019-03-03 14:26:20 -08:00
John Reiser
16bfa7b846
PT_SET_MM since 2012
...
modified: stub/src/include/linux.h
2019-03-02 16:12:14 -08:00
John Reiser
2653a0749a
de-tabify
...
modified: stub/src/arch/i386/bxx.S
2019-03-02 15:48:44 -08:00
John Reiser
3de0008543
i386-darwin.macho re-implementation, especially for MacOS <= 10.8.x (Mountain Lion)
...
[i386 will not be supported by new MacOS beginning fall 2019.]
https://github.com/upx/upx/issues/246
modified: p_mach.cpp
modified: stub/i386-darwin.macho-entry.h
modified: stub/i386-darwin.macho-fold.h
modified: stub/i386-darwin.macho-upxmain.exe
modified: stub/i386-darwin.macho-upxmain.h
new file: stub/src/arch/i386/bxx.S
new file: stub/src/arch/i386/nrv2b_d32-easy.S
new file: stub/src/arch/i386/nrv2d_d32-easy.S
new file: stub/src/arch/i386/nrv2e_d32-easy.S
modified: stub/src/i386-darwin.macho-entry.S
modified: stub/src/i386-darwin.macho-fold.S
modified: stub/src/i386-darwin.macho-main.c
modified: stub/src/i386-darwin.macho-upxmain.c
modified: stub/tmp/i386-darwin.macho-entry.bin.dump
modified: stub/tmp/i386-darwin.macho-fold.map
2019-03-02 15:39:30 -08:00
John Reiser
d4e2d7e8a8
arm64 (aarch64) and PAGE_SIZE > 4KiB
...
Future: use prctl(PR_SET_MM, PR_SET_MM_START_BRK, addr)
https://github.com/upx/upx/issues/254
modified: p_lx_elf.cpp
modified: stub/src/amd64-linux.elf-main.c
2019-03-01 20:31:41 -08:00
Markus F.X.J. Oberhumer
3667fa4e44
Welcome 2019.
2019-02-15 11:04:09 +01:00
John Reiser
75c31dff1d
Use THUMB 'ret' when in THUMB mode.
...
https://github.com/upx/upx/issues/236
https://github.com/upx/upx/issues/229
modified: src/arm.v4t-linux.shlib-init.S
modified: arm.v5t-linux.shlib-init.h
modified: tmp/arm.v5t-linux.shlib-init.bin.dump
2018-12-13 20:14:14 -08:00
John Reiser
473b90419f
Mach-o for 'rust' has intermixed LC_SEGMENT64 "__DWARF" with 0==.vmsize
...
https://github.com/upx/upx/issues/222
modified: p_mach.cpp
modified: stub/src/amd64-darwin.macho-main.c
modified: stub/src/amd64-darwin.macho-upxmain.c
also *-darwin.macho-fold.{h,map}
2018-10-13 21:06:37 -07:00
John Reiser
b122f8e9d0
Optimize /proc/self/exe. Sync stubs.
...
See also commit 78b1da5c00 earlier today
for https://github.com/upx/upx/issues/225 .
modified: stub/src/arm.v4a-linux.elf-entry.S
modified: stub/src/arm.v4a-linux.elf-fold.S
also *.h, *.map, *.bin.dump
2018-10-09 20:11:34 -07:00
John Reiser
78b1da5c00
Avoid dcache==>icache trouble with mflg_data; heuristic cache_flush for 32-bit ARM
...
modified: arm.v4a-linux.elf-entry.S
modified: arm.v4a-linux.elf-fold.S
2018-10-09 19:24:50 -07:00
John Reiser
bb8239ccda
more DPRINTF
...
modified: amd64-linux.elf-main.c
2018-10-09 19:23:06 -07:00
John Reiser
2a594ad0a7
Better return value when de-compression method mismatches.
...
modified: arch/amd64/lzma_d.S
modified: arch/amd64/nrv2b_d.S
modified: arch/amd64/nrv2d_d.S
modified: arch/amd64/nrv2e_d.S
2018-10-07 10:15:48 -07:00
John Reiser
b05073550c
"pop %rcx", not %ecx
...
modified: amd64-darwin.macho-entry.S
modified: amd64-linux.elf-entry.S
2018-10-07 10:11:45 -07:00
John Reiser
4f0cba9bb6
/proc/self/exe mapping had wrong offset in stub for 32-bit ARM
...
https://github.com/upx/upx/issues/221
modified: stub/src/arm.v4a-linux.elf-entry.S
modified: stub/src/arm.v4a-linux.elf-fold.S
also arm*.*-linux.elf-*.{h,map}
2018-09-23 20:32:37 -07:00
John Reiser
4d1c754af9
Preserve Mach_segment_header.flags; fix non-PIE main programs on MacOS.
...
https://github.com/upx/upx/issues/222
modified: p_mach.cpp
modified: p_mach.h
modified: stub/src/amd64-darwin.macho-entry.S
also *.macho-*.h, *.macho-fold.map, amd64-darwin.macho-entry.bin.dump
2018-09-22 18:50:37 -07:00
John Reiser
c1cfde21d7
Map when .vmsize (not .filesize). More debugging DPRINTF;
...
modified: stub/src/amd64-darwin.macho-main.c
also *.macho-fold.h, *.macho-fold.map
2018-09-22 13:06:45 -07:00
John Reiser
b259b0ca28
Print failed syscalls to stderr
...
modified: stub/src/amd64-darwin.macho-fold.S
2018-09-22 12:09:22 -07:00
John Reiser
9bb6854e64
Fix stub for MacOS El Capitan, which has "pre-linked" /usr/bin/dyld
...
https://github.com/upx/upx/issues/218
https://github.com/Homebrew/homebrew-core/pull/31846
modified: src/amd64-darwin.macho-main.c
also *-darwin.mach-fold.{h,map}
2018-09-09 15:37:54 -07:00
John Reiser
bdd97fe0b2
build stubs
...
modified: amd64-linux.elf-fold.h
modified: arm64-linux.elf-fold.h
modified: i386-bsd.elf-fold.h
modified: i386-linux.elf.interp-fold.h
modified: i386-netbsd.elf-fold.h
modified: i386-openbsd.elf-fold.h
modified: powerpc64-linux.elf-fold.h
modified: powerpc64le-linux.elf-fold.h
modified: tmp/amd64-linux.elf-fold.map
modified: tmp/arm64-linux.elf-fold.map
modified: tmp/i386-bsd.elf-fold.map
modified: tmp/i386-linux.elf.interp-fold.map
modified: tmp/i386-netbsd.elf-fold.map
modified: tmp/i386-openbsd.elf-fold.map
modified: tmp/powerpc64-linux.elf-fold.map
modified: tmp/powerpc64le-linux.elf-fold.map
2018-08-22 14:48:15 -07:00
John Reiser
6b500bc83b
auxv_up() quit at AT_NULL, especially when AT_BASE has been omitted.
...
Based on contribution from Brian Geffon 'bgaff'
https://github.com/upx/upx/pull/215 ; bgaff
modified: amd64-linux.elf-main.c
modified: i386-bsd.elf-main.c
modified: i386-linux.elf.interp-main.c
modified: i386-openbsd.elf-main.c
2018-08-22 14:39:14 -07:00
John Reiser
b97688d119
Stub updates AT_PHDR for 32-bit libmusl, particularly -fPIE
...
https://github.com/upx/upx/issues/200
modified: stub/src/i386-linux.elf-main.c
also *.elf-fold.h, *.elf-fold.map for arm, armeb, i386, mips, mipsel, powerpc
modified: ../.github/travis_testsuite_1.sh
2018-08-04 18:26:02 -07:00
John Reiser
5e9b6bd69d
more ELF shlib when no DT_INIT (especially Android): hook DT_INIT_ARRAY[0]
...
https://github.com/upx/upx/issues/191 [partial, not finished]
modified: p_lx_elf.cpp
modified: p_lx_elf.h
modified: stub/src/arm.v4a-linux.shlib-init.S
modified: stub/src/arm.v4t-linux.shlib-init.S
2018-03-26 16:30:52 -07:00
John Reiser
c2b62359d5
arm32 stubs on linux: allow 0==user_DT_INIT as nop; somewhat expensive
...
modified: stub/arm.v5a-linux.shlib-init.h
modified: stub/arm.v5t-linux.shlib-init.h
modified: stub/src/arm.v4a-linux.shlib-init.S
modified: stub/src/arm.v4t-linux.shlib-init.S
modified: stub/tmp/arm.v5a-linux.shlib-init.bin.dump
modified: stub/tmp/arm.v5t-linux.shlib-init.bin.dump
2018-03-24 08:55:04 -07:00
John Reiser
d698eb69e2
Fix decompression stub for arm64 --lzma
...
https://github.com/upx/upx/issues/181
modified: stub/src/arch/arm64/v8/lzma_d.S
2018-02-24 13:04:15 -08:00
John Reiser
0ef00e9b82
Fix --lzma (and so --ultra-brute) for 32-bit ARM
...
https://github.com/upx/upx/issues/167 (comment #14 )
modified: stub/src/arm.v4a-linux.elf-entry.S
modified: ../.github/travis_testsuite_1.sh
2018-02-03 15:44:00 -08:00
John Reiser
be83788666
--android-shlib for 32-bit ARM
...
Includes better handling of asl_delta in execution stub.
modified: p_lx_elf.cpp
modified: p_lx_elf.h
modified: stub/src/arm.v4t-linux.shlib-init.S
modified: stub/src/arm64-linux.shlib-init.S
2018-01-27 22:00:16 -08:00
John Reiser
5a28a51abc
android shlib: better handling of asl_delta in execution stub
...
modified: p_lx_elf.cpp
modified: stub/src/arm64-linux.shlib-init.S
2018-01-26 12:35:06 -08:00
John Reiser
85f53b210d
de-compression of arm64 --android-shlib
...
modified: src/p_lx_elf.cpp
modified: src/p_lx_elf.h
modified: src/stub/src/arm64-linux.shlib-init.S
2018-01-24 15:39:46 -08:00
Markus F.X.J. Oberhumer
021c8db58a
Welcome 2018.
2018-01-19 10:55:32 +01:00
John Reiser
c34fe09a79
Revamp --android-shlib
...
Android "Oreo" wants to deal with ElfXX_Shdr[]. So splice 4KiB into PT_LOAD[0]
with an "extra" copy of them. This requires careful relocation processing.
It also costs a page at run time, and an average of a page in the file
(depending on fragmentation at the boundary between r-x and rw- .)
https://github.com/upx/upx/issues/124
https://github.com/upx/upx/issues/139
https://github.com/upx/upx/issues/142
modified: p_elf_enum.h
modified: p_lx_elf.cpp
modified: p_lx_elf.h
modified: stub/src/arm.v4a-linux.shlib-init.S
modified: stub/src/arm.v4t-linux.shlib-init.S
modified: stub/src/arm64-linux.shlib-init.S
modified: stub/arm.v5a-linux.shlib-init.h
modified: stub/arm.v5t-linux.shlib-init.h
modified: stub/arm64-linux.shlib-init.h
modified: ../.github/travis_testsuite_1.sh
2018-01-15 16:08:34 -08:00