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76e70f340c
ELF with support for:
- File headers
- Section headers + data
- Relocations
- Symbols
- Unwind data (only COFF/Win64)
The output format follows a few rules:
- Values are almost always output one per line (as elf-dump/coff-dump already do). - Many values are translated to something readable (like enum names), with the raw value in parentheses.
- Hex numbers are output in uppercase, prefixed with "0x".
- Flags are sorted alphabetically.
- Lists and groups are always delimited.
Example output:
---------- snip ----------
Sections [
Section {
Index: 1
Name: .text (5)
Type: SHT_PROGBITS (0x1)
Flags [ (0x6)
SHF_ALLOC (0x2)
SHF_EXECINSTR (0x4)
]
Address: 0x0
Offset: 0x40
Size: 33
Link: 0
Info: 0
AddressAlignment: 16
EntrySize: 0
Relocations [
0x6 R_386_32 .rodata.str1.1 0x0
0xB R_386_PC32 puts 0x0
0x12 R_386_32 .rodata.str1.1 0x0
0x17 R_386_PC32 puts 0x0
]
SectionData (
0000: 83EC04C7 04240000 0000E8FC FFFFFFC7 |.....$..........|
0010: 04240600 0000E8FC FFFFFF31 C083C404 |.$.........1....|
0020: C3 |.|
)
}
]
---------- snip ----------
Relocations and symbols can be output standalone or together with the section header as displayed in the example.
This feature set supports all tests in test/MC/COFF and test/MC/ELF (and I suspect all additional tests using elf-dump), making elf-dump and coff-dump deprecated.
Patch by Nico Rieck!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178679 91177308-0d34-0410-b5e6-96231b3b80d8
114 lines
3.6 KiB
Plaintext
114 lines
3.6 KiB
Plaintext
RUN: llvm-readobj -s %p/Inputs/trivial.obj.coff-i386 \
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RUN: | FileCheck %s -check-prefix COFF
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RUN: llvm-readobj -s %p/Inputs/trivial.obj.elf-i386 \
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RUN: | FileCheck %s -check-prefix ELF
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RUN: llvm-readobj -s %p/Inputs/trivial.obj.macho-i386 \
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RUN: | FileCheck %s -check-prefix MACHO
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COFF: Sections [
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COFF-NEXT: Section {
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COFF-NEXT: Number: 1
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COFF-NEXT: Name: .text (2E 74 65 78 74 00 00 00)
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COFF-NEXT: VirtualSize: 0x0
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COFF-NEXT: VirtualAddress: 0x0
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COFF-NEXT: RawDataSize: 22
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COFF-NEXT: PointerToRawData: 0x64
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COFF-NEXT: PointerToRelocations: 0x7A
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COFF-NEXT: PointerToLineNumbers: 0x0
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COFF-NEXT: RelocationCount: 3
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COFF-NEXT: LineNumberCount: 0
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COFF-NEXT: Characteristics [ (0x60500020)
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COFF-NEXT: IMAGE_SCN_ALIGN_16BYTES (0x500000)
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COFF-NEXT: IMAGE_SCN_CNT_CODE (0x20)
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COFF-NEXT: IMAGE_SCN_MEM_EXECUTE (0x20000000)
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COFF-NEXT: IMAGE_SCN_MEM_READ (0x40000000)
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COFF-NEXT: ]
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COFF-NEXT: }
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COFF-NEXT: Section {
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COFF-NEXT: Number: 2
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COFF-NEXT: Name: .data (2E 64 61 74 61 00 00 00)
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COFF-NEXT: VirtualSize: 0x0
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COFF-NEXT: VirtualAddress: 0x0
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COFF-NEXT: RawDataSize: 13
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COFF-NEXT: PointerToRawData: 0x98
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COFF-NEXT: PointerToRelocations: 0x0
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COFF-NEXT: PointerToLineNumbers: 0x0
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COFF-NEXT: RelocationCount: 0
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COFF-NEXT: LineNumberCount: 0
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COFF-NEXT: Characteristics [ (0xC0300040)
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COFF-NEXT: IMAGE_SCN_ALIGN_4BYTES (0x300000)
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COFF-NEXT: IMAGE_SCN_CNT_INITIALIZED_DATA (0x40)
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COFF-NEXT: IMAGE_SCN_MEM_READ (0x40000000)
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COFF-NEXT: IMAGE_SCN_MEM_WRITE (0x80000000)
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COFF-NEXT: ]
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COFF-NEXT: }
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COFF-NEXT: ]
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ELF: Sections [
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ELF-NEXT: Section {
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ELF-NEXT: Index: 0
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ELF-NEXT: Name: (0)
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ELF-NEXT: Type: SHT_NULL (0x0)
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ELF-NEXT: Flags [ (0x0)
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ELF-NEXT: ]
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ELF-NEXT: Address: 0x0
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ELF-NEXT: Offset: 0x0
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ELF-NEXT: Size: 0
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ELF-NEXT: Link: 0
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ELF-NEXT: Info: 0
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ELF-NEXT: AddressAlignment: 0
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ELF-NEXT: EntrySize: 0
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ELF-NEXT: }
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ELF-NEXT: Section {
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ELF-NEXT: Index: 1
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ELF-NEXT: Name: .text (5)
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ELF-NEXT: Type: SHT_PROGBITS (0x1)
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ELF-NEXT: Flags [ (0x6)
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ELF-NEXT: SHF_ALLOC (0x2)
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ELF-NEXT: SHF_EXECINSTR (0x4)
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ELF-NEXT: ]
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ELF-NEXT: Address: 0x0
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ELF-NEXT: Offset: 0x40
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ELF-NEXT: Size: 42
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ELF-NEXT: Link: 0
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ELF-NEXT: Info: 0
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ELF-NEXT: AddressAlignment: 16
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ELF-NEXT: EntrySize: 0
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ELF-NEXT: }
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MACHO: Sections [
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MACHO-NEXT: Section {
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MACHO-NEXT: Index: 0
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MACHO-NEXT: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
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MACHO-NEXT: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
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MACHO-NEXT: Address: 0x0
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MACHO-NEXT: Size: 0x22
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MACHO-NEXT: Offset: 324
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MACHO-NEXT: Alignment: 4
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MACHO-NEXT: RelocationOffset: 0x174
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MACHO-NEXT: RelocationCount: 4
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MACHO-NEXT: Type: 0x0
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MACHO-NEXT: Attributes [ (0x800004)
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MACHO-NEXT: PureInstructions (0x800000)
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MACHO-NEXT: SomeInstructions (0x4)
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MACHO-NEXT: ]
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MACHO-NEXT: Reserved1: 0x0
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MACHO-NEXT: Reserved2: 0x0
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MACHO-NEXT: }
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MACHO-NEXT: Section {
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MACHO-NEXT: Index: 1
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MACHO-NEXT: Name: __cstring (5F 5F 63 73 74 72 69 6E 67 00 00 00 00 00 00 00)
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MACHO-NEXT: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
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MACHO-NEXT: Address: 0x22
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MACHO-NEXT: Size: 0xD
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MACHO-NEXT: Offset: 358
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MACHO-NEXT: Alignment: 0
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MACHO-NEXT: RelocationOffset: 0x0
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MACHO-NEXT: RelocationCount: 0
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MACHO-NEXT: Type: ExtReloc (0x2)
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MACHO-NEXT: Attributes [ (0x0)
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MACHO-NEXT: ]
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MACHO-NEXT: Reserved1: 0x0
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MACHO-NEXT: Reserved2: 0x0
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MACHO-NEXT: }
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