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/proc/self/exe now is optional

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... for the benefit of 'unshare', 'chroot', etc.
If not present, then upx run-time stub unmaps all pages of original main program.
https://github.com/upx/upx/issues/721

	modified:   stub/src/amd64-linux.elf-entry.S
	modified:   stub/src/amd64-linux.elf-fold.S
	modified:   stub/src/arm.v4a-linux.elf-entry.S
	modified:   stub/src/arm.v4a-linux.elf-fold.S
	modified:   stub/src/arm64-linux.elf-entry.S
	modified:   stub/src/arm64-linux.elf-fold.S
	modified:   stub/src/i386-linux.elf-fold.S
	modified:   stub/src/mipsel.r3000-linux.elf-fold.S
	modified:   stub/src/powerpc-linux.elf-fold.S
	modified:   stub/src/powerpc64le-linux.elf-fold.S
	modified:   ../misc/testsuite/upx_testsuite_1-expected_sha256sums.sh

           ... plus all associaed *.h, *.map, *.dump in stub/
This commit is contained in:
John Reiser
2023-10-30 08:23:52 -07:00
parent f62576a2be
commit 52400e2561
43 changed files with 4302 additions and 4340 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/stub/tmp/armeb.v4a-linux.elf-entry.bin.dump
Generated Vendored
+4 -5
View File
@@ -13,7 +13,7 @@ Idx Name Size VMA LMA File off Algn Flags
8 LZMA_DEC10 0478 0 0 0d44 2**0 CONTENTS
9 LZMA_DEC30 0 0 0 011bc 2**0 CONTENTS
10 ELFMAINY 0 0 0 011bc 2**0 CONTENTS
11 ELFMAINZ 0f0 0 0 011bc 2**2 CONTENTS
11 ELFMAINZ 0d0 0 0 011bc 2**2 CONTENTS
SYMBOL TABLE:
00000000 l d NRV2E 0 NRV2E
00000000 l d NRV2D 0 NRV2D
@@ -35,7 +35,7 @@ SYMBOL TABLE:
00000000 g LZMA_DEC10 0 LzmaDecode
00000000 g ELFMAINY 0 end_decompress
00000000 *UND* 0 O_BINFO
000000f0 g ELFMAINZ 0 cpr0
000000d0 g ELFMAINZ 0 cpr0
RELOCATION RECORDS FOR [ELFMAINX]:
OFFSET TYPE VALUE
@@ -250,6 +250,5 @@ OFFSET TYPE VALUE
RELOCATION RECORDS FOR [ELFMAINZ]:
OFFSET TYPE VALUE
000000dc R_ARM_PC24 ELFMAINZ
000000e8 R_ARM_PC24 ELFMAINZ
000000ec R_ARM_ABS32 O_BINFO
000000c8 R_ARM_PC24 ELFMAINZ
000000cc R_ARM_ABS32 O_BINFO