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arm64 spills a few registers because syscall can trash x18

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modified:   stub/src/arm64-linux.elf-entry.S
	modified:   stub/src/arm64-linux.elf-fold.S
This commit is contained in:
John Reiser
2017-10-10 20:31:11 -07:00
parent c59c8a1ea2
commit b72dda4ada
6 changed files with 453 additions and 441 deletions
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src/stub/tmp/arm64-linux.elf-entry.bin.dump
+3 -3
View File
@@ -13,7 +13,7 @@ Idx Name Size VMA LMA File off Algn
8 LZMA_DEC10 0000049c 0000000000000000 0000000000000000 00000db4 2**0 CONTENTS, READONLY
9 LZMA_DEC30 00000000 0000000000000000 0000000000000000 00001250 2**0 CONTENTS, READONLY
10 ELFMAINY 0000003e 0000000000000000 0000000000000000 00001250 2**0 CONTENTS, READONLY
11 ELFMAINZ 00000150 0000000000000000 0000000000000000 00001290 2**2 CONTENTS, RELOC, READONLY
11 ELFMAINZ 0000014c 0000000000000000 0000000000000000 00001290 2**2 CONTENTS, RELOC, READONLY
SYMBOL TABLE:
0000000000000000 l d LZMA_DEC30 0000000000000000 LZMA_DEC30
0000000000000000 l d ELFMAINZ 0000000000000000 ELFMAINZ
@@ -39,7 +39,7 @@ SYMBOL TABLE:
RELOCATION RECORDS FOR [ELFMAINX]:
OFFSET TYPE VALUE
0000000000000000 R_AARCH64_ABS32 MFLG
0000000000000004 R_AARCH64_CALL26 ELFMAINZ+0x0000000000000104
0000000000000004 R_AARCH64_CALL26 ELFMAINZ+0x0000000000000100
RELOCATION RECORDS FOR [LZMA_ELF00]:
OFFSET TYPE VALUE
@@ -47,4 +47,4 @@ OFFSET TYPE VALUE
RELOCATION RECORDS FOR [ELFMAINZ]:
OFFSET TYPE VALUE
000000000000014c R_AARCH64_ABS32 O_BINFO
0000000000000148 R_AARCH64_ABS32 O_BINFO
src/stub/tmp/arm64-linux.elf-fold.map
+30 -30
View File
@@ -8,44 +8,44 @@ Linker script and memory map
0x00000000001000bc . = ((0x100000 + SIZEOF_HEADERS) + 0xc)
.text 0x00000000001000bc 0x924
.text 0x00000000001000bc 0x92c
*(.text)
.text 0x00000000001000bc 0x230 tmp/arm64-linux.elf-fold.o
0x0000000000100220 my_bkpt
0x0000000000100228 exit
0x0000000000100230 read
0x000000000010023c write
0x0000000000100248 close
0x0000000000100254 getpid
0x0000000000100260 brk
0x000000000010026c munmap
0x0000000000100278 mprotect
0x0000000000100284 mmap_privanon
0x0000000000100294 mmap
0x00000000001002a0 unlink
0x00000000001002b4 readlink
0x00000000001002bc open
0x00000000001002d8 __clear_cache
.text 0x00000000001002ec 0x6f4 tmp/arm64-linux.elf-main.o
0x000000000010087c upx_main
.text 0x00000000001000bc 0x238 tmp/arm64-linux.elf-fold.o
0x0000000000100228 my_bkpt
0x0000000000100230 exit
0x0000000000100238 read
0x0000000000100244 write
0x0000000000100250 close
0x000000000010025c getpid
0x0000000000100268 brk
0x0000000000100274 munmap
0x0000000000100280 mprotect
0x000000000010028c mmap_privanon
0x000000000010029c mmap
0x00000000001002a8 unlink
0x00000000001002bc readlink
0x00000000001002c4 open
0x00000000001002e0 __clear_cache
.text 0x00000000001002f4 0x6f4 tmp/arm64-linux.elf-main.o
0x0000000000100884 upx_main
*(.data)
.data 0x00000000001009e0 0x0 tmp/arm64-linux.elf-fold.o
.data 0x00000000001009e0 0x0 tmp/arm64-linux.elf-main.o
.data 0x00000000001009e8 0x0 tmp/arm64-linux.elf-fold.o
.data 0x00000000001009e8 0x0 tmp/arm64-linux.elf-main.o
.iplt 0x00000000001009e0 0x0
.iplt 0x00000000001009e0 0x0 tmp/arm64-linux.elf-fold.o
.iplt 0x00000000001009e8 0x0
.iplt 0x00000000001009e8 0x0 tmp/arm64-linux.elf-fold.o
.rela.dyn 0x00000000001009e0 0x0
.rela.iplt 0x00000000001009e0 0x0 tmp/arm64-linux.elf-fold.o
.rela.dyn 0x00000000001009e8 0x0
.rela.iplt 0x00000000001009e8 0x0 tmp/arm64-linux.elf-fold.o
.data
LOAD tmp/arm64-linux.elf-fold.o
LOAD tmp/arm64-linux.elf-main.o
OUTPUT(tmp/arm64-linux.elf-fold.bin elf64-littleaarch64)
.igot.plt 0x00000000001009e0 0x0
.igot.plt 0x00000000001009e0 0x0 tmp/arm64-linux.elf-fold.o
.igot.plt 0x00000000001009e8 0x0
.igot.plt 0x00000000001009e8 0x0 tmp/arm64-linux.elf-fold.o
.bss 0x00000000001009e0 0x0
.bss 0x00000000001009e0 0x0 tmp/arm64-linux.elf-fold.o
.bss 0x00000000001009e0 0x0 tmp/arm64-linux.elf-main.o
.bss 0x00000000001009e8 0x0
.bss 0x00000000001009e8 0x0 tmp/arm64-linux.elf-fold.o
.bss 0x00000000001009e8 0x0 tmp/arm64-linux.elf-main.o