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Decompression escape hatch for ELF can require a new page.

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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
This commit is contained in:
John Reiser
2020-01-19 13:25:55 -08:00
parent fdf2eddc73
commit 936013f60c
25 changed files with 1494 additions and 1366 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/stub/tmp/arm.v4a-linux.elf-fold.map
+8 -8
View File
@@ -9,7 +9,7 @@ Linker script and memory map
TARGET(elf32-littlearm)
0x0000000000008080 . = ((0x8000 + SIZEOF_HEADERS) + 0xc)
.text 0x0000000000008080 0x9dc
.text 0x0000000000008080 0xa44
*(.text)
.text 0x0000000000008080 0x2f8 tmp/arm.v4a-linux.elf-fold.o
0x00000000000082c8 munmap
@@ -29,18 +29,18 @@ TARGET(elf32-littlearm)
0x000000000000831c div10
0x00000000000082d0 mprotect
0x00000000000082a0 close
.text 0x0000000000008378 0x6e4 tmp/arm.v4a-linux.elf-main.o
.text 0x0000000000008378 0x74c tmp/arm.v4a-linux.elf-main.o
0x0000000000008398 get_page_mask
0x0000000000008928 upx_main
0x0000000000008990 upx_main
*(.data)
.data 0x0000000000008a5c 0x0 tmp/arm.v4a-linux.elf-fold.o
.data 0x0000000000008a5c 0x0 tmp/arm.v4a-linux.elf-main.o
.data 0x0000000000008ac4 0x0 tmp/arm.v4a-linux.elf-fold.o
.data 0x0000000000008ac4 0x0 tmp/arm.v4a-linux.elf-main.o
.data
.bss 0x0000000000008a5c 0x0
.bss 0x0000000000008a5c 0x0 tmp/arm.v4a-linux.elf-fold.o
.bss 0x0000000000008a5c 0x0 tmp/arm.v4a-linux.elf-main.o
.bss 0x0000000000008ac4 0x0
.bss 0x0000000000008ac4 0x0 tmp/arm.v4a-linux.elf-fold.o
.bss 0x0000000000008ac4 0x0 tmp/arm.v4a-linux.elf-main.o
LOAD tmp/arm.v4a-linux.elf-fold.o
LOAD tmp/arm.v4a-linux.elf-main.o
OUTPUT(tmp/arm.v4a-linux.elf-fold.bin elf32-littlearm)