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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/arm.v5a-linux.elf-fold.map
Generated Vendored
+29 -29
View File
@@ -9,40 +9,40 @@ Linker script and memory map
TARGET(elf32-littlearm)
0x0000000000008080 . = ((0x8000 + SIZEOF_HEADERS) + 0xc)
.text 0x0000000000008080 0xb54
.text 0x0000000000008080 0xb5c
*(.text)
.text 0x0000000000008080 0x3ec tmp/arm.v5a-linux.elf-fold.o
0x0000000000008348 munmap
0x00000000000083f0 get_sys_munmap
0x000000000000830c getpid
0x0000000000008334 readlink
0x0000000000008410 __udivsi3
0x0000000000008380 mmap
0x00000000000083cc __clear_cache
0x00000000000083f8 mmap_privanon
0x00000000000082bc write
0x00000000000082a8 read
0x00000000000082f8 unlink
0x0000000000008290 my_bkpt
0x000000000000835c Pprotect
0x0000000000008298 exit
0x0000000000008320 brk
0x00000000000082d0 open
0x0000000000008410 div10
0x000000000000835c mprotect
0x00000000000082e4 close
.text 0x000000000000846c 0x768 tmp/armel-linux.elf-main.o
0x000000000000848c get_page_mask
0x0000000000008aa0 upx_main
.text 0x0000000000008080 0x3f4 tmp/arm.v5a-linux.elf-fold.o
0x0000000000008350 munmap
0x00000000000083f8 get_sys_munmap
0x0000000000008314 getpid
0x000000000000833c readlink
0x0000000000008418 __udivsi3
0x0000000000008388 mmap
0x00000000000083d4 __clear_cache
0x0000000000008400 mmap_privanon
0x00000000000082c4 write
0x00000000000082b0 read
0x0000000000008300 unlink
0x0000000000008298 my_bkpt
0x0000000000008364 Pprotect
0x00000000000082a0 exit
0x0000000000008328 brk
0x00000000000082d8 open
0x0000000000008418 div10
0x0000000000008364 mprotect
0x00000000000082ec close
.text 0x0000000000008474 0x768 tmp/armel-linux.elf-main.o
0x0000000000008494 get_page_mask
0x0000000000008aa8 upx_main
*(.data)
.data 0x0000000000008bd4 0x0 tmp/arm.v5a-linux.elf-fold.o
.data 0x0000000000008bd4 0x0 tmp/armel-linux.elf-main.o
.data 0x0000000000008bdc 0x0 tmp/arm.v5a-linux.elf-fold.o
.data 0x0000000000008bdc 0x0 tmp/armel-linux.elf-main.o
.data
.bss 0x0000000000008bd4 0x0
.bss 0x0000000000008bd4 0x0 tmp/arm.v5a-linux.elf-fold.o
.bss 0x0000000000008bd4 0x0 tmp/armel-linux.elf-main.o
.bss 0x0000000000008bdc 0x0
.bss 0x0000000000008bdc 0x0 tmp/arm.v5a-linux.elf-fold.o
.bss 0x0000000000008bdc 0x0 tmp/armel-linux.elf-main.o
LOAD tmp/arm.v5a-linux.elf-fold.o
LOAD tmp/armel-linux.elf-main.o
OUTPUT(tmp/arm.v5a-linux.elf-fold.bin elf32-littlearm)