Each PROT_WRITE segment has implicit .bss on end of last page (64-bit only for now);
Also workaround kernel bug invoking the escape hatch on arm64 (aarch64). https://github.com/upx/upx/issues/611
This commit is contained in:
John Reiser
committed by
Markus F.X.J. Oberhumer
Markus F.X.J. Oberhumer
parent
7dd2cdea1e
commit
50a6698715
+10
-10
@@ -8,7 +8,7 @@ Linker script and memory map
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0x00000000001000bc . = ((0x100000 + SIZEOF_HEADERS) + 0xc)
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.text 0x00000000001000bc 0x88c
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.text 0x00000000001000bc 0x874
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*(.text)
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.text 0x00000000001000bc 0x199 tmp/amd64-linux.elf-fold.o
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0x0000000000100245 munmap
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@@ -21,20 +21,20 @@ Linker script and memory map
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0x0000000000100249 mprotect
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0x000000000010023d close
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*fill* 0x0000000000100255 0x3 00
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.text 0x0000000000100258 0x6ee tmp/amd64-linux.elf-main.o
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0x00000000001007fe upx_main
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.text 0x0000000000100258 0x6d7 tmp/amd64-linux.elf-main.o
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0x00000000001007e7 upx_main
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*(.data)
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*fill* 0x0000000000100946 0x2 00
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.data 0x0000000000100948 0x0 tmp/amd64-linux.elf-fold.o
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.data 0x0000000000100948 0x0 tmp/amd64-linux.elf-main.o
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*fill* 0x000000000010092f 0x1 00
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.data 0x0000000000100930 0x0 tmp/amd64-linux.elf-fold.o
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.data 0x0000000000100930 0x0 tmp/amd64-linux.elf-main.o
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.data
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.bss 0x0000000000100948 0x0
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.bss 0x0000000000100948 0x0 tmp/amd64-linux.elf-fold.o
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.bss 0x0000000000100948 0x0 tmp/amd64-linux.elf-main.o
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.bss 0x0000000000100930 0x0
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.bss 0x0000000000100930 0x0 tmp/amd64-linux.elf-fold.o
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.bss 0x0000000000100930 0x0 tmp/amd64-linux.elf-main.o
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.rela.dyn 0x0000000000100948 0x0
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.rela.dyn 0x0000000000100930 0x0
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.rela.text 0x0000000000000000 0x0 tmp/amd64-linux.elf-fold.o
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LOAD tmp/amd64-linux.elf-fold.o
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LOAD tmp/amd64-linux.elf-main.o
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+30
-30
@@ -8,44 +8,44 @@ Linker script and memory map
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0x00000000001000bc . = ((0x100000 + SIZEOF_HEADERS) + 0xc)
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.text 0x00000000001000bc 0xa10
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.text 0x00000000001000bc 0xa0c
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*(.text)
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.text 0x00000000001000bc 0x244 tmp/arm64-linux.elf-fold.o
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0x0000000000100234 my_bkpt
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0x000000000010023c exit
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0x0000000000100244 read
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0x0000000000100250 write
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0x000000000010025c close
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0x0000000000100268 getpid
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0x0000000000100274 brk
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0x0000000000100280 munmap
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0x000000000010028c mprotect
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0x0000000000100298 mmap_privanon
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0x00000000001002a8 mmap
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0x00000000001002b4 unlink
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0x00000000001002c8 readlink
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0x00000000001002d0 open
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0x00000000001002ec __clear_cache
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.text 0x0000000000100300 0x7cc tmp/arm64-linux.elf-main.o
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0x0000000000100964 upx_main
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.text 0x00000000001000bc 0x268 tmp/arm64-linux.elf-fold.o
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0x0000000000100258 my_bkpt
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0x0000000000100260 exit
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0x0000000000100268 read
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0x0000000000100274 write
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0x0000000000100280 close
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0x000000000010028c getpid
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0x0000000000100298 brk
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0x00000000001002a4 munmap
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0x00000000001002b0 mprotect
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0x00000000001002bc mmap_privanon
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0x00000000001002cc mmap
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0x00000000001002d8 unlink
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0x00000000001002ec readlink
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0x00000000001002f4 open
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0x0000000000100310 __clear_cache
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.text 0x0000000000100324 0x7a4 tmp/arm64-linux.elf-main.o
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0x0000000000100960 upx_main
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*(.data)
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.data 0x0000000000100acc 0x0 tmp/arm64-linux.elf-fold.o
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.data 0x0000000000100acc 0x0 tmp/arm64-linux.elf-main.o
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.data 0x0000000000100ac8 0x0 tmp/arm64-linux.elf-fold.o
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.data 0x0000000000100ac8 0x0 tmp/arm64-linux.elf-main.o
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.iplt 0x0000000000100acc 0x0
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.iplt 0x0000000000100acc 0x0 tmp/arm64-linux.elf-fold.o
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.iplt 0x0000000000100ac8 0x0
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.iplt 0x0000000000100ac8 0x0 tmp/arm64-linux.elf-fold.o
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.rela.dyn 0x0000000000100ad0 0x0
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.rela.iplt 0x0000000000100ad0 0x0 tmp/arm64-linux.elf-fold.o
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.rela.dyn 0x0000000000100ac8 0x0
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.rela.iplt 0x0000000000100ac8 0x0 tmp/arm64-linux.elf-fold.o
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.data
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LOAD tmp/arm64-linux.elf-fold.o
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LOAD tmp/arm64-linux.elf-main.o
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OUTPUT(tmp/arm64-linux.elf-fold.bin elf64-littleaarch64)
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.igot.plt 0x0000000000100ad0 0x0
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.igot.plt 0x0000000000100ad0 0x0 tmp/arm64-linux.elf-fold.o
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.igot.plt 0x0000000000100ac8 0x0
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.igot.plt 0x0000000000100ac8 0x0 tmp/arm64-linux.elf-fold.o
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.bss 0x0000000000100acc 0x0
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.bss 0x0000000000100acc 0x0 tmp/arm64-linux.elf-fold.o
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.bss 0x0000000000100acc 0x0 tmp/arm64-linux.elf-main.o
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.bss 0x0000000000100ac8 0x0
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.bss 0x0000000000100ac8 0x0 tmp/arm64-linux.elf-fold.o
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.bss 0x0000000000100ac8 0x0 tmp/arm64-linux.elf-main.o
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+30
-30
@@ -9,7 +9,7 @@ Linker script and memory map
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TARGET(elf64-powerpc)
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0x00000000001000bc . = ((0x100000 + SIZEOF_HEADERS) + 0xc)
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.text 0x00000000001000bc 0xbbc
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.text 0x00000000001000bc 0xba8
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*(.text)
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.text 0x00000000001000bc 0x328 tmp/powerpc64-linux.elf-fold.o
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0x00000000001000bc get_page_mask
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@@ -23,47 +23,47 @@ TARGET(elf64-powerpc)
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0x00000000001003cc mprotect
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0x00000000001003d4 munmap
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0x00000000001003dc my_bkpt
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.text 0x00000000001003e4 0x894 tmp/powerpc64-linux.elf-main.o
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.text 0x00000000001003e4 0x880 tmp/powerpc64-linux.elf-main.o
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*(.data)
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.data 0x0000000000100c78 0x0 tmp/powerpc64-linux.elf-fold.o
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.data 0x0000000000100c78 0x0 tmp/powerpc64-linux.elf-main.o
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.data 0x0000000000100c64 0x0 tmp/powerpc64-linux.elf-fold.o
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.data 0x0000000000100c64 0x0 tmp/powerpc64-linux.elf-main.o
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.sfpr 0x0000000000100c78 0xa4
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.sfpr 0x0000000000100c78 0xa4 linker stubs
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0x0000000000100c78 _savegpr0_14
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0x0000000000100ca0 _savegpr0_24
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0x0000000000100cb0 _savegpr0_28
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0x0000000000100cc8 _restgpr0_14
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0x0000000000100cf0 _restgpr0_24
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0x0000000000100d00 _restgpr0_28
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.sfpr 0x0000000000100c64 0xa4
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.sfpr 0x0000000000100c64 0xa4 linker stubs
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0x0000000000100c64 _savegpr0_14
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0x0000000000100c8c _savegpr0_24
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0x0000000000100c9c _savegpr0_28
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0x0000000000100cb4 _restgpr0_14
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0x0000000000100cdc _restgpr0_24
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0x0000000000100cec _restgpr0_28
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.glink 0x0000000000100d20 0x0
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.glink 0x0000000000100d20 0x0 linker stubs
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.glink 0x0000000000100d08 0x0
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.glink 0x0000000000100d08 0x0 linker stubs
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.eh_frame 0x0000000000100d1c 0x0
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.eh_frame 0x0000000000100d1c 0x0 linker stubs
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.eh_frame 0x0000000000100d08 0x0
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.eh_frame 0x0000000000100d08 0x0 linker stubs
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.rela.dyn 0x0000000000100d20 0x0
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.rela.iplt 0x0000000000100d20 0x0 linker stubs
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.rela.dyn 0x0000000000100d08 0x0
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.rela.iplt 0x0000000000100d08 0x0 linker stubs
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.data
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LOAD tmp/powerpc64-linux.elf-fold.o
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LOAD tmp/powerpc64-linux.elf-main.o
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OUTPUT(tmp/powerpc64-linux.elf-fold.bin elf64-powerpc)
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.branch_lt 0x0000000000100d20 0x0
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.branch_lt 0x0000000000100d20 0x0 linker stubs
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.branch_lt 0x0000000000100d08 0x0
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.branch_lt 0x0000000000100d08 0x0 linker stubs
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.toc 0x0000000000100d20 0x0
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.toc 0x0000000000100d20 0x0 tmp/powerpc64-linux.elf-main.o
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.toc 0x0000000000100d08 0x0
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.toc 0x0000000000100d08 0x0 tmp/powerpc64-linux.elf-main.o
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.opd 0x0000000000100d20 0x58
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.opd 0x0000000000100d20 0x58 tmp/powerpc64-linux.elf-main.o
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0x0000000000100d60 upx_main
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.opd 0x0000000000100d08 0x58
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.opd 0x0000000000100d08 0x58 tmp/powerpc64-linux.elf-main.o
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0x0000000000100d48 upx_main
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.iplt 0x0000000000100d78 0x0
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.iplt 0x0000000000100d78 0x0 linker stubs
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.iplt 0x0000000000100d60 0x0
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.iplt 0x0000000000100d60 0x0 linker stubs
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.bss 0x0000000000100d78 0x0
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.bss 0x0000000000100d78 0x0 tmp/powerpc64-linux.elf-fold.o
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.bss 0x0000000000100d78 0x0 tmp/powerpc64-linux.elf-main.o
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.bss 0x0000000000100d60 0x0
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.bss 0x0000000000100d60 0x0 tmp/powerpc64-linux.elf-fold.o
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.bss 0x0000000000100d60 0x0 tmp/powerpc64-linux.elf-main.o
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+30
-30
@@ -9,7 +9,7 @@ Linker script and memory map
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TARGET(elf64-powerpcle)
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0x00000000001000bc . = ((0x100000 + SIZEOF_HEADERS) + 0xc)
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.text 0x00000000001000bc 0xbb8
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.text 0x00000000001000bc 0xba4
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*(.text)
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.text 0x00000000001000bc 0x328 tmp/powerpc64le-linux.elf-fold.o
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0x00000000001000bc get_page_mask
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@@ -23,47 +23,47 @@ TARGET(elf64-powerpcle)
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0x00000000001003cc mprotect
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0x00000000001003d4 munmap
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0x00000000001003dc my_bkpt
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.text 0x00000000001003e4 0x890 tmp/powerpc64le-linux.elf-main.o
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.text 0x00000000001003e4 0x87c tmp/powerpc64le-linux.elf-main.o
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*(.data)
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.data 0x0000000000100c74 0x0 tmp/powerpc64le-linux.elf-fold.o
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.data 0x0000000000100c74 0x0 tmp/powerpc64le-linux.elf-main.o
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.data 0x0000000000100c60 0x0 tmp/powerpc64le-linux.elf-fold.o
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.data 0x0000000000100c60 0x0 tmp/powerpc64le-linux.elf-main.o
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.sfpr 0x0000000000100c74 0xa4
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.sfpr 0x0000000000100c74 0xa4 linker stubs
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0x0000000000100c74 _savegpr0_14
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0x0000000000100c9c _savegpr0_24
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0x0000000000100cac _savegpr0_28
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0x0000000000100cc4 _restgpr0_14
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0x0000000000100cec _restgpr0_24
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0x0000000000100cfc _restgpr0_28
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.sfpr 0x0000000000100c60 0xa4
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.sfpr 0x0000000000100c60 0xa4 linker stubs
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0x0000000000100c60 _savegpr0_14
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0x0000000000100c88 _savegpr0_24
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0x0000000000100c98 _savegpr0_28
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0x0000000000100cb0 _restgpr0_14
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0x0000000000100cd8 _restgpr0_24
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0x0000000000100ce8 _restgpr0_28
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.glink 0x0000000000100d18 0x0
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.glink 0x0000000000100d18 0x0 linker stubs
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.glink 0x0000000000100d08 0x0
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.glink 0x0000000000100d08 0x0 linker stubs
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.eh_frame 0x0000000000100d18 0x0
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.eh_frame 0x0000000000100d18 0x0 linker stubs
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.eh_frame 0x0000000000100d04 0x0
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.eh_frame 0x0000000000100d04 0x0 linker stubs
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.rela.dyn 0x0000000000100d18 0x0
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.rela.iplt 0x0000000000100d18 0x0 linker stubs
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.rela.dyn 0x0000000000100d08 0x0
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.rela.iplt 0x0000000000100d08 0x0 linker stubs
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.data
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LOAD tmp/powerpc64le-linux.elf-fold.o
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LOAD tmp/powerpc64le-linux.elf-main.o
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OUTPUT(tmp/powerpc64le-linux.elf-fold.bin elf64-powerpcle)
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.branch_lt 0x0000000000100d18 0x0
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.branch_lt 0x0000000000100d18 0x0 linker stubs
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.branch_lt 0x0000000000100d08 0x0
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.branch_lt 0x0000000000100d08 0x0 linker stubs
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.toc 0x0000000000100d18 0x0
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.toc 0x0000000000100d18 0x0 tmp/powerpc64le-linux.elf-main.o
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.toc 0x0000000000100d08 0x0
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.toc 0x0000000000100d08 0x0 tmp/powerpc64le-linux.elf-main.o
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.opd 0x0000000000100d18 0x58
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.opd 0x0000000000100d18 0x58 tmp/powerpc64le-linux.elf-main.o
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0x0000000000100d58 upx_main
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.opd 0x0000000000100d08 0x58
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.opd 0x0000000000100d08 0x58 tmp/powerpc64le-linux.elf-main.o
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0x0000000000100d48 upx_main
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.iplt 0x0000000000100d70 0x0
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.iplt 0x0000000000100d70 0x0 linker stubs
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.iplt 0x0000000000100d60 0x0
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.iplt 0x0000000000100d60 0x0 linker stubs
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.bss 0x0000000000100d70 0x0
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.bss 0x0000000000100d70 0x0 tmp/powerpc64le-linux.elf-fold.o
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.bss 0x0000000000100d70 0x0 tmp/powerpc64le-linux.elf-main.o
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.bss 0x0000000000100d60 0x0
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.bss 0x0000000000100d60 0x0 tmp/powerpc64le-linux.elf-fold.o
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.bss 0x0000000000100d60 0x0 tmp/powerpc64le-linux.elf-main.o
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Reference in New Issue
Block a user