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20e541caa9
The original -O binary implementation just copied segment data from the object and dumped it into a file. This doesn't take into account any operations performed on objects such as section removal. GNU objcopy has some specific behavior that we'd also like to respect. For instance using -O binary and -j <some_section> will dump <some_section> to a file. This change implements GNU objcopy style -O binary to as close of an approximation as I can determine. Differential Revision: https://reviews.llvm.org/D39713 llvm-svn: 318324
48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
# RUN: yaml2obj %s -o %t
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# RUN: llvm-objcopy -R .text3 -O binary %t %t2
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# RUN: od -Ax -v -t x1 %t2 | FileCheck %s
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# RUN: wc -c %t2 | FileCheck %s -check-prefix=SIZE
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!ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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Address: 0x1000
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AddressAlign: 0x1000
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Content: "c3c3c3c3"
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Size: 0x1000
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- Name: .text2
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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Address: 0x2000
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AddressAlign: 0x1000
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Content: "DEADBEEF"
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Size: 0x1000
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- Name: .text3
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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Address: 0x3000
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AddressAlign: 0x1000
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Content: "32323232"
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Size: 0x1000
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ProgramHeaders:
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- Type: PT_LOAD
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Flags: [ PF_R ]
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VAddr: 0x1000
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PAddr: 0x1000
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Sections:
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- Section: .text
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- Section: .text2
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- Section: .text3
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# CHECK: 000000 c3 c3 c3 c3
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# CHECK: 001000 de ad be ef
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# SIZE: 8192
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