forked from OSchip/llvm-project
[obj2yaml] Support ELF input format in the obj2yaml tool.
The ELF header e_flags field in the MIPS related test cases handled incorrectly. The obj2yaml prints too many flags. I will fix that in the next patches. The patch reviewed by Michael Spencer and Sean Silva. llvm-svn: 208752
This commit is contained in:
Simon Atanasyan
parent
27351f2022
commit
ae6bb33ac2
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@ -670,6 +670,7 @@ void MappingTraits<std::unique_ptr<ELFYAML::Section>>::mapping(
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ELFYAML::ELF_SHT sectionType;
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if (IO.outputting())
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sectionType = Section->Type;
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else
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IO.mapRequired("Type", sectionType);
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switch (sectionType) {
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@ -1,6 +1,8 @@
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RUN: obj2yaml %p/Inputs/trivial-object-test.coff-i386 | FileCheck %s --check-prefix COFF-I386
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RUN: obj2yaml %p/Inputs/trivial-object-test.coff-x86-64 | FileCheck %s --check-prefix COFF-X86-64
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RUN: obj2yaml %p/Inputs/trivial-object-test.elf-mipsel | FileCheck %s --check-prefix ELF-MIPSEL
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RUN: obj2yaml %p/Inputs/trivial-object-test.elf-mips64el | FileCheck %s --check-prefix ELF-MIPS64EL
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RUN: obj2yaml %p/Inputs/trivial-object-test.elf-x86-64 | FileCheck %s --check-prefix ELF-X86-64
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COFF-I386: header:
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COFF-I386-NEXT: Machine: IMAGE_FILE_MACHINE_I386
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@ -183,3 +185,249 @@ COFF-X86-64-NEXT: SectionNumber: 3
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COFF-X86-64-NEXT: SimpleType: IMAGE_SYM_TYPE_NULL
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COFF-X86-64-NEXT: ComplexType: IMAGE_SYM_DTYPE_FUNCTION
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COFF-X86-64-NEXT: StorageClass: IMAGE_SYM_CLASS_STATIC
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ELF-MIPSEL: FileHeader:
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ELF-MIPSEL-NEXT: Class: ELFCLASS32
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ELF-MIPSEL-NEXT: Data: ELFDATA2LSB
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ELF-MIPSEL-NEXT: Type: ET_REL
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ELF-MIPSEL-NEXT: Machine: EM_MIPS
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ELF-MIPSEL-NEXT: Flags: [ EF_MIPS_NOREORDER, EF_MIPS_PIC, EF_MIPS_CPIC, EF_MIPS_ABI_O32, EF_MIPS_ARCH_1, EF_MIPS_ARCH_2, EF_MIPS_ARCH_5, EF_MIPS_ARCH_32 ]
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ELF-MIPSEL-NEXT: Sections:
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ELF-MIPSEL-NEXT: - Name: .text
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ELF-MIPSEL-NEXT: Type: SHT_PROGBITS
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ELF-MIPSEL-NEXT: Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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ELF-MIPSEL-NEXT: Link: ''
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ELF-MIPSEL-NEXT: Info: ''
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ELF-MIPSEL-NEXT: AddressAlign: 0x0000000000000004
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ELF-MIPSEL-NEXT: Content: 0000023C00004224E8FFBD271400BFAF1000B0AF218059000000018E000024240000198E09F8200321E000020000198E09F8200321E00002000002241000B08F1400BF8F0800E0031800BD27
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ELF-MIPSEL-NEXT: - Name: .rel.text
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ELF-MIPSEL-NEXT: Type: SHT_REL
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ELF-MIPSEL-NEXT: Link: .symtab
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ELF-MIPSEL-NEXT: Info: .text
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ELF-MIPSEL-NEXT: AddressAlign: 0x0000000000000004
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ELF-MIPSEL-NEXT: Relocations:
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ELF-MIPSEL-NEXT: - Offset: 0
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ELF-MIPSEL-NEXT: Symbol: _gp_disp
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ELF-MIPSEL-NEXT: Type: R_MIPS_HI16
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ELF-MIPSEL-NEXT: Addend: 0
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ELF-MIPSEL-NEXT: - Offset: 4
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ELF-MIPSEL-NEXT: Symbol: _gp_disp
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ELF-MIPSEL-NEXT: Type: R_MIPS_LO16
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ELF-MIPSEL-NEXT: Addend: 0
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ELF-MIPSEL-NEXT: - Offset: 24
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ELF-MIPSEL-NEXT: Symbol: '$.str'
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ELF-MIPSEL-NEXT: Type: R_MIPS_GOT16
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ELF-MIPSEL-NEXT: Addend: 0
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ELF-MIPSEL-NEXT: - Offset: 28
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ELF-MIPSEL-NEXT: Symbol: '$.str'
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ELF-MIPSEL-NEXT: Type: R_MIPS_LO16
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ELF-MIPSEL-NEXT: Addend: 0
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ELF-MIPSEL-NEXT: - Offset: 32
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ELF-MIPSEL-NEXT: Symbol: puts
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ELF-MIPSEL-NEXT: Type: R_MIPS_CALL16
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ELF-MIPSEL-NEXT: Addend: 0
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ELF-MIPSEL-NEXT: - Offset: 44
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ELF-MIPSEL-NEXT: Symbol: SomeOtherFunction
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ELF-MIPSEL-NEXT: Type: R_MIPS_CALL16
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ELF-MIPSEL-NEXT: Addend: 0
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ELF-MIPSEL-NEXT: - Name: .data
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ELF-MIPSEL-NEXT: Type: SHT_PROGBITS
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ELF-MIPSEL-NEXT: Flags: [ SHF_WRITE, SHF_ALLOC ]
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ELF-MIPSEL-NEXT: Link: ''
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ELF-MIPSEL-NEXT: Info: ''
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ELF-MIPSEL-NEXT: AddressAlign: 0x0000000000000004
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ELF-MIPSEL-NEXT: Content: ''
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ELF-MIPSEL-NEXT: - Name: .bss
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ELF-MIPSEL-NEXT: Type: SHT_NOBITS
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ELF-MIPSEL-NEXT: Flags: [ SHF_WRITE, SHF_ALLOC ]
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ELF-MIPSEL-NEXT: Link: ''
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ELF-MIPSEL-NEXT: Info: ''
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ELF-MIPSEL-NEXT: AddressAlign: 0x0000000000000004
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ELF-MIPSEL-NEXT: Content: ''
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ELF-MIPSEL-NEXT: - Name: .rodata.str1.1
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ELF-MIPSEL-NEXT: Type: SHT_PROGBITS
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ELF-MIPSEL-NEXT: Flags: [ SHF_ALLOC, SHF_MERGE, SHF_STRINGS ]
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ELF-MIPSEL-NEXT: Link: ''
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ELF-MIPSEL-NEXT: Info: ''
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ELF-MIPSEL-NEXT: AddressAlign: 0x0000000000000001
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ELF-MIPSEL-NEXT: Content: 48656C6C6F20576F726C640A00
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ELF-MIPSEL-NEXT: - Name: .reginfo
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ELF-MIPSEL-NEXT: Type: SHT_MIPS_REGINFO
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ELF-MIPSEL-NEXT: Flags: [ SHF_ALLOC ]
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ELF-MIPSEL-NEXT: Link: ''
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ELF-MIPSEL-NEXT: Info: ''
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ELF-MIPSEL-NEXT: AddressAlign: 0x0000000000000001
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ELF-MIPSEL-NEXT: Content: '000000000000000000000000000000000000000000000000'
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ELF-MIPSEL-NEXT: Symbols:
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ELF-MIPSEL-NEXT: Local:
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ELF-MIPSEL-NEXT: - Name: trivial.ll
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ELF-MIPSEL-NEXT: Type: STT_FILE
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ELF-MIPSEL-NEXT: - Name: '$.str'
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ELF-MIPSEL-NEXT: Type: STT_OBJECT
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ELF-MIPSEL-NEXT: Section: .rodata.str1.1
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ELF-MIPSEL-NEXT: Size: 0x000000000000000D
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ELF-MIPSEL-NEXT: - Name: .text
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ELF-MIPSEL-NEXT: Type: STT_SECTION
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ELF-MIPSEL-NEXT: Section: .text
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ELF-MIPSEL-NEXT: - Name: .data
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ELF-MIPSEL-NEXT: Type: STT_SECTION
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ELF-MIPSEL-NEXT: Section: .data
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ELF-MIPSEL-NEXT: - Name: .bss
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ELF-MIPSEL-NEXT: Type: STT_SECTION
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ELF-MIPSEL-NEXT: Section: .bss
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ELF-MIPSEL-NEXT: - Name: .rodata.str1.1
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ELF-MIPSEL-NEXT: Type: STT_SECTION
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ELF-MIPSEL-NEXT: Section: .rodata.str1.1
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ELF-MIPSEL-NEXT: - Name: .reginfo
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ELF-MIPSEL-NEXT: Type: STT_SECTION
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ELF-MIPSEL-NEXT: Section: .reginfo
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ELF-MIPSEL-NEXT: Global:
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ELF-MIPSEL-NEXT: - Name: main
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ELF-MIPSEL-NEXT: Type: STT_FUNC
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ELF-MIPSEL-NEXT: Section: .text
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ELF-MIPSEL-NEXT: Size: 0x000000000000004C
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ELF-MIPSEL-NEXT: - Name: SomeOtherFunction
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ELF-MIPSEL-NEXT: - Name: _gp_disp
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ELF-MIPSEL-NEXT: - Name: puts
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ELF-MIPS64EL: FileHeader:
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ELF-MIPS64EL-NEXT: Class: ELFCLASS64
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ELF-MIPS64EL-NEXT: Data: ELFDATA2LSB
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ELF-MIPS64EL-NEXT: Type: ET_REL
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ELF-MIPS64EL-NEXT: Machine: EM_MIPS
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ELF-MIPS64EL-NEXT: Flags: [ EF_MIPS_ARCH_1, EF_MIPS_ARCH_3 ]
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ELF-MIPS64EL-NEXT: Sections:
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ELF-MIPS64EL-NEXT: - Name: .text
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ELF-MIPS64EL-NEXT: Type: SHT_PROGBITS
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ELF-MIPS64EL-NEXT: Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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ELF-MIPS64EL-NEXT: Link: ''
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ELF-MIPS64EL-NEXT: Info: ''
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ELF-MIPS64EL-NEXT: AddressAlign: 0x0000000000000010
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ELF-MIPS64EL-NEXT: Content: ''
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ELF-MIPS64EL-NEXT: - Name: .data
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ELF-MIPS64EL-NEXT: Type: SHT_PROGBITS
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ELF-MIPS64EL-NEXT: Flags: [ SHF_WRITE, SHF_ALLOC ]
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ELF-MIPS64EL-NEXT: Link: ''
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ELF-MIPS64EL-NEXT: Info: ''
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ELF-MIPS64EL-NEXT: AddressAlign: 0x0000000000000010
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ELF-MIPS64EL-NEXT: Content: '00000000000000000000000000000000'
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ELF-MIPS64EL-NEXT: - Name: .rela.data
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ELF-MIPS64EL-NEXT: Type: SHT_RELA
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ELF-MIPS64EL-NEXT: Link: .symtab
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ELF-MIPS64EL-NEXT: Info: .data
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ELF-MIPS64EL-NEXT: AddressAlign: 0x0000000000000008
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ELF-MIPS64EL-NEXT: Relocations:
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ELF-MIPS64EL-NEXT: - Offset: 0
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ELF-MIPS64EL-NEXT: Symbol: zed
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ELF-MIPS64EL-NEXT: Type: R_MIPS_64
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ELF-MIPS64EL-NEXT: Addend: 0
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ELF-MIPS64EL-NEXT: - Name: .bss
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ELF-MIPS64EL-NEXT: Type: SHT_NOBITS
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ELF-MIPS64EL-NEXT: Flags: [ SHF_WRITE, SHF_ALLOC ]
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ELF-MIPS64EL-NEXT: Link: ''
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ELF-MIPS64EL-NEXT: Info: ''
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ELF-MIPS64EL-NEXT: AddressAlign: 0x0000000000000010
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ELF-MIPS64EL-NEXT: Content: ''
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ELF-MIPS64EL-NEXT: - Name: .MIPS.options
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ELF-MIPS64EL-NEXT: Type: SHT_MIPS_OPTIONS
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ELF-MIPS64EL-NEXT: Flags: [ SHF_ALLOC ]
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ELF-MIPS64EL-NEXT: Link: ''
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ELF-MIPS64EL-NEXT: Info: ''
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ELF-MIPS64EL-NEXT: AddressAlign: 0x0000000000000008
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ELF-MIPS64EL-NEXT: Content: '01280000000000000000000000000000000000000000000000000000000000000000000000000000'
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ELF-MIPS64EL-NEXT: - Name: .pdr
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ELF-MIPS64EL-NEXT: Type: SHT_PROGBITS
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ELF-MIPS64EL-NEXT: Link: ''
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ELF-MIPS64EL-NEXT: Info: ''
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ELF-MIPS64EL-NEXT: AddressAlign: 0x0000000000000004
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ELF-MIPS64EL-NEXT: Content: ''
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ELF-MIPS64EL-NEXT: Symbols:
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ELF-MIPS64EL-NEXT: Local:
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ELF-MIPS64EL-NEXT: - Name: .text
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ELF-MIPS64EL-NEXT: Type: STT_SECTION
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ELF-MIPS64EL-NEXT: Section: .text
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ELF-MIPS64EL-NEXT: - Name: .data
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ELF-MIPS64EL-NEXT: Type: STT_SECTION
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ELF-MIPS64EL-NEXT: Section: .data
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ELF-MIPS64EL-NEXT: - Name: .bss
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ELF-MIPS64EL-NEXT: Type: STT_SECTION
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ELF-MIPS64EL-NEXT: Section: .bss
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ELF-MIPS64EL-NEXT: - Name: bar
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ELF-MIPS64EL-NEXT: Section: .data
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ELF-MIPS64EL-NEXT: - Name: .MIPS.options
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ELF-MIPS64EL-NEXT: Type: STT_SECTION
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ELF-MIPS64EL-NEXT: Section: .MIPS.options
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ELF-MIPS64EL-NEXT: - Name: .pdr
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ELF-MIPS64EL-NEXT: Type: STT_SECTION
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ELF-MIPS64EL-NEXT: Section: .pdr
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ELF-MIPS64EL-NEXT: Global:
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ELF-MIPS64EL-NEXT: - Name: zed
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ELF-X86-64: FileHeader:
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ELF-X86-64-NEXT: Class: ELFCLASS64
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ELF-X86-64-NEXT: Data: ELFDATA2LSB
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ELF-X86-64-NEXT: OSABI: ELFOSABI_GNU
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ELF-X86-64-NEXT: Type: ET_REL
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ELF-X86-64-NEXT: Machine: EM_X86_64
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ELF-X86-64-NEXT: Sections:
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ELF-X86-64-NEXT: - Name: .text
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ELF-X86-64-NEXT: Type: SHT_PROGBITS
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ELF-X86-64-NEXT: Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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ELF-X86-64-NEXT: Link: ''
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ELF-X86-64-NEXT: Info: ''
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ELF-X86-64-NEXT: AddressAlign: 0x0000000000000010
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ELF-X86-64-NEXT: Content: 4883EC08C744240400000000BF00000000E80000000030C0E8000000008B4424044883C408C3
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ELF-X86-64-NEXT: - Name: .rodata.str1.1
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ELF-X86-64-NEXT: Type: SHT_PROGBITS
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ELF-X86-64-NEXT: Flags: [ SHF_ALLOC, SHF_MERGE, SHF_STRINGS ]
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ELF-X86-64-NEXT: Address: 0x0000000000000026
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ELF-X86-64-NEXT: Link: ''
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ELF-X86-64-NEXT: Info: ''
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ELF-X86-64-NEXT: AddressAlign: 0x0000000000000001
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ELF-X86-64-NEXT: Content: 48656C6C6F20576F726C642100
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ELF-X86-64-NEXT: - Name: .note.GNU-stack
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ELF-X86-64-NEXT: Type: SHT_PROGBITS
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ELF-X86-64-NEXT: Address: 0x0000000000000033
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ELF-X86-64-NEXT: Link: ''
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ELF-X86-64-NEXT: Info: ''
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ELF-X86-64-NEXT: AddressAlign: 0x0000000000000001
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ELF-X86-64-NEXT: Content: ''
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ELF-X86-64-NEXT: - Name: .rela.text
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ELF-X86-64-NEXT: Type: SHT_RELA
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ELF-X86-64-NEXT: Address: 0x0000000000000038
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ELF-X86-64-NEXT: Link: .symtab
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ELF-X86-64-NEXT: Info: .text
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ELF-X86-64-NEXT: AddressAlign: 0x0000000000000008
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ELF-X86-64-NEXT: Relocations:
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ELF-X86-64-NEXT: - Offset: 13
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ELF-X86-64-NEXT: Symbol: .rodata.str1.1
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ELF-X86-64-NEXT: Type: R_X86_64_32S
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ELF-X86-64-NEXT: Addend: 0
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ELF-X86-64-NEXT: - Offset: 18
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ELF-X86-64-NEXT: Symbol: puts
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ELF-X86-64-NEXT: Type: R_X86_64_PC32
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ELF-X86-64-NEXT: Addend: 4294967292
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ELF-X86-64-NEXT: - Offset: 25
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ELF-X86-64-NEXT: Symbol: SomeOtherFunction
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ELF-X86-64-NEXT: Type: R_X86_64_PC32
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ELF-X86-64-NEXT: Addend: 4294967292
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ELF-X86-64-NEXT: Symbols:
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ELF-X86-64-NEXT: Local:
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ELF-X86-64-NEXT: - Name: trivial-object-test.s
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ELF-X86-64-NEXT: Type: STT_FILE
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ELF-X86-64-NEXT: - Name: .text
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ELF-X86-64-NEXT: Type: STT_SECTION
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ELF-X86-64-NEXT: Section: .text
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ELF-X86-64-NEXT: - Name: .rodata.str1.1
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ELF-X86-64-NEXT: Type: STT_SECTION
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ELF-X86-64-NEXT: Section: .rodata.str1.1
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ELF-X86-64-NEXT: - Name: .note.GNU-stack
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ELF-X86-64-NEXT: Type: STT_SECTION
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ELF-X86-64-NEXT: Section: .note.GNU-stack
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ELF-X86-64-NEXT: Global:
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ELF-X86-64-NEXT: - Name: main
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ELF-X86-64-NEXT: Type: STT_FUNC
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ELF-X86-64-NEXT: Section: .text
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ELF-X86-64-NEXT: Size: 0x0000000000000026
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ELF-X86-64-NEXT: - Name: SomeOtherFunction
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ELF-X86-64-NEXT: - Name: puts
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@ -4,5 +4,5 @@ set(LLVM_LINK_COMPONENTS
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)
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add_llvm_utility(obj2yaml
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obj2yaml.cpp coff2yaml.cpp Error.cpp
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obj2yaml.cpp coff2yaml.cpp elf2yaml.cpp Error.cpp
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)
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@ -0,0 +1,289 @@
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//===------ utils/elf2yaml.cpp - obj2yaml conversion tool -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "Error.h"
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#include "obj2yaml.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/Object/ELFObjectFile.h"
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#include "llvm/Object/ELFYAML.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/YAMLTraits.h"
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using namespace llvm;
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namespace {
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template <class ELFT>
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class ELFDumper {
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typedef typename object::ELFFile<ELFT>::Elf_Shdr Elf_Shdr;
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typedef typename object::ELFFile<ELFT>::Elf_Sym_Iter Elf_Sym_Iter;
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const object::ELFFile<ELFT> &Obj;
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error_code dumpSymbol(Elf_Sym_Iter Sym, ELFYAML::Symbol &S);
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error_code dumpCommonSection(const Elf_Shdr *Shdr, ELFYAML::Section &S);
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template <class RelT>
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error_code dumpRelocation(const Elf_Shdr *Shdr, const RelT *Rel,
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ELFYAML::Relocation &R);
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ErrorOr<ELFYAML::RelocationSection *> dumpRelSection(const Elf_Shdr *Shdr);
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ErrorOr<ELFYAML::RelocationSection *> dumpRelaSection(const Elf_Shdr *Shdr);
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ErrorOr<ELFYAML::RawContentSection *>
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dumpContentSection(const Elf_Shdr *Shdr);
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public:
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ELFDumper(const object::ELFFile<ELFT> &O);
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ErrorOr<ELFYAML::Object *> dump();
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};
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}
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template <class ELFT>
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ELFDumper<ELFT>::ELFDumper(const object::ELFFile<ELFT> &O)
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: Obj(O) {}
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template <class ELFT>
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ErrorOr<ELFYAML::Object *> ELFDumper<ELFT>::dump() {
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auto Y = make_unique<ELFYAML::Object>();
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// Dump header
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Y->Header.Class = ELFYAML::ELF_ELFCLASS(Obj.getHeader()->getFileClass());
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Y->Header.Data = ELFYAML::ELF_ELFDATA(Obj.getHeader()->getDataEncoding());
|
||||
Y->Header.OSABI = Obj.getHeader()->e_ident[ELF::EI_OSABI];
|
||||
Y->Header.Type = Obj.getHeader()->e_type;
|
||||
Y->Header.Machine = Obj.getHeader()->e_machine;
|
||||
Y->Header.Flags = Obj.getHeader()->e_flags;
|
||||
Y->Header.Entry = Obj.getHeader()->e_entry;
|
||||
|
||||
// Dump sections
|
||||
for (const Elf_Shdr &Sec : Obj.sections()) {
|
||||
switch (Sec.sh_type) {
|
||||
case ELF::SHT_NULL:
|
||||
case ELF::SHT_SYMTAB:
|
||||
case ELF::SHT_DYNSYM:
|
||||
case ELF::SHT_STRTAB:
|
||||
// Do not dump these sections.
|
||||
break;
|
||||
case ELF::SHT_RELA: {
|
||||
ErrorOr<ELFYAML::RelocationSection *> S = dumpRelaSection(&Sec);
|
||||
if (error_code EC = S.getError())
|
||||
return EC;
|
||||
Y->Sections.push_back(std::unique_ptr<ELFYAML::Section>(S.get()));
|
||||
break;
|
||||
}
|
||||
case ELF::SHT_REL: {
|
||||
ErrorOr<ELFYAML::RelocationSection *> S = dumpRelSection(&Sec);
|
||||
if (error_code EC = S.getError())
|
||||
return EC;
|
||||
Y->Sections.push_back(std::unique_ptr<ELFYAML::Section>(S.get()));
|
||||
break;
|
||||
}
|
||||
default: {
|
||||
ErrorOr<ELFYAML::RawContentSection *> S = dumpContentSection(&Sec);
|
||||
if (error_code EC = S.getError())
|
||||
return EC;
|
||||
Y->Sections.push_back(std::unique_ptr<ELFYAML::Section>(S.get()));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Dump symbols
|
||||
bool IsFirstSym = true;
|
||||
for (auto SI = Obj.begin_symbols(), SE = Obj.end_symbols(); SI != SE; ++SI) {
|
||||
if (IsFirstSym) {
|
||||
IsFirstSym = false;
|
||||
continue;
|
||||
}
|
||||
|
||||
ELFYAML::Symbol S;
|
||||
if (error_code EC = ELFDumper<ELFT>::dumpSymbol(SI, S))
|
||||
return EC;
|
||||
|
||||
switch (SI->getBinding())
|
||||
{
|
||||
case ELF::STB_LOCAL:
|
||||
Y->Symbols.Local.push_back(S);
|
||||
break;
|
||||
case ELF::STB_GLOBAL:
|
||||
Y->Symbols.Global.push_back(S);
|
||||
break;
|
||||
case ELF::STB_WEAK:
|
||||
Y->Symbols.Weak.push_back(S);
|
||||
break;
|
||||
default:
|
||||
llvm_unreachable("Unknown ELF symbol binding");
|
||||
}
|
||||
}
|
||||
|
||||
return Y.release();
|
||||
}
|
||||
|
||||
template <class ELFT>
|
||||
error_code ELFDumper<ELFT>::dumpSymbol(Elf_Sym_Iter Sym, ELFYAML::Symbol &S) {
|
||||
S.Type = Sym->getType();
|
||||
S.Value = Sym->st_value;
|
||||
S.Size = Sym->st_size;
|
||||
|
||||
ErrorOr<StringRef> NameOrErr = Obj.getSymbolName(Sym);
|
||||
if (error_code EC = NameOrErr.getError())
|
||||
return EC;
|
||||
S.Name = NameOrErr.get();
|
||||
|
||||
const Elf_Shdr *Shdr = Obj.getSection(&*Sym);
|
||||
if (!Shdr)
|
||||
return obj2yaml_error::success;
|
||||
|
||||
NameOrErr = Obj.getSectionName(Shdr);
|
||||
if (error_code EC = NameOrErr.getError())
|
||||
return EC;
|
||||
S.Section = NameOrErr.get();
|
||||
|
||||
return obj2yaml_error::success;
|
||||
}
|
||||
|
||||
template <class ELFT>
|
||||
template <class RelT>
|
||||
error_code ELFDumper<ELFT>::dumpRelocation(const Elf_Shdr *Shdr,
|
||||
const RelT *Rel,
|
||||
ELFYAML::Relocation &R) {
|
||||
R.Type = Rel->getType(Obj.isMips64EL());
|
||||
R.Offset = Rel->r_offset;
|
||||
R.Addend = 0;
|
||||
|
||||
auto NamePair = Obj.getRelocationSymbol(Shdr, Rel);
|
||||
if (!NamePair.first)
|
||||
return obj2yaml_error::success;
|
||||
|
||||
ErrorOr<StringRef> NameOrErr =
|
||||
Obj.getSymbolName(NamePair.first, NamePair.second);
|
||||
if (error_code EC = NameOrErr.getError())
|
||||
return EC;
|
||||
R.Symbol = NameOrErr.get();
|
||||
|
||||
return obj2yaml_error::success;
|
||||
}
|
||||
|
||||
template <class ELFT>
|
||||
error_code ELFDumper<ELFT>::dumpCommonSection(const Elf_Shdr *Shdr,
|
||||
ELFYAML::Section &S) {
|
||||
S.Type = Shdr->sh_type;
|
||||
S.Flags = Shdr->sh_flags;
|
||||
S.Address = Shdr->sh_addr;
|
||||
S.AddressAlign = Shdr->sh_addralign;
|
||||
|
||||
ErrorOr<StringRef> NameOrErr = Obj.getSectionName(Shdr);
|
||||
if (error_code EC = NameOrErr.getError())
|
||||
return EC;
|
||||
S.Name = NameOrErr.get();
|
||||
|
||||
if (Shdr->sh_link != ELF::SHN_UNDEF) {
|
||||
if (const Elf_Shdr *LinkSection = Obj.getSection(Shdr->sh_link)) {
|
||||
NameOrErr = Obj.getSectionName(LinkSection);
|
||||
if (error_code EC = NameOrErr.getError())
|
||||
return EC;
|
||||
S.Link = NameOrErr.get();
|
||||
}
|
||||
}
|
||||
if (Shdr->sh_info != ELF::SHN_UNDEF) {
|
||||
if (const Elf_Shdr *InfoSection = Obj.getSection(Shdr->sh_info)) {
|
||||
NameOrErr = Obj.getSectionName(InfoSection);
|
||||
if (error_code EC = NameOrErr.getError())
|
||||
return EC;
|
||||
S.Info = NameOrErr.get();
|
||||
}
|
||||
}
|
||||
return obj2yaml_error::success;
|
||||
}
|
||||
|
||||
template <class ELFT>
|
||||
ErrorOr<ELFYAML::RelocationSection *>
|
||||
ELFDumper<ELFT>::dumpRelSection(const Elf_Shdr *Shdr) {
|
||||
assert(Shdr->sh_type == ELF::SHT_REL && "Section type is not SHT_REL");
|
||||
auto S = make_unique<ELFYAML::RelocationSection>();
|
||||
|
||||
if (error_code EC = dumpCommonSection(Shdr, *S))
|
||||
return EC;
|
||||
|
||||
for (auto RI = Obj.begin_rel(Shdr), RE = Obj.end_rel(Shdr); RI != RE;
|
||||
++RI) {
|
||||
ELFYAML::Relocation R;
|
||||
if (error_code EC = dumpRelocation(Shdr, &*RI, R))
|
||||
return EC;
|
||||
S->Relocations.push_back(R);
|
||||
}
|
||||
|
||||
return S.release();
|
||||
}
|
||||
|
||||
template <class ELFT>
|
||||
ErrorOr<ELFYAML::RelocationSection *>
|
||||
ELFDumper<ELFT>::dumpRelaSection(const Elf_Shdr *Shdr) {
|
||||
assert(Shdr->sh_type == ELF::SHT_RELA && "Section type is not SHT_RELA");
|
||||
auto S = make_unique<ELFYAML::RelocationSection>();
|
||||
|
||||
if (error_code EC = dumpCommonSection(Shdr, *S))
|
||||
return EC;
|
||||
|
||||
for (auto RI = Obj.begin_rela(Shdr), RE = Obj.end_rela(Shdr); RI != RE;
|
||||
++RI) {
|
||||
ELFYAML::Relocation R;
|
||||
if (error_code EC = dumpRelocation(Shdr, &*RI, R))
|
||||
return EC;
|
||||
R.Addend = RI->r_addend;
|
||||
S->Relocations.push_back(R);
|
||||
}
|
||||
|
||||
return S.release();
|
||||
}
|
||||
|
||||
template <class ELFT>
|
||||
ErrorOr<ELFYAML::RawContentSection *>
|
||||
ELFDumper<ELFT>::dumpContentSection(const Elf_Shdr *Shdr) {
|
||||
auto S = make_unique<ELFYAML::RawContentSection>();
|
||||
|
||||
if (error_code EC = dumpCommonSection(Shdr, *S))
|
||||
return EC;
|
||||
|
||||
ErrorOr<ArrayRef<uint8_t>> ContentOrErr = Obj.getSectionContents(Shdr);
|
||||
if (error_code EC = ContentOrErr.getError())
|
||||
return EC;
|
||||
S->Content = object::yaml::BinaryRef(ContentOrErr.get());
|
||||
|
||||
return S.release();
|
||||
}
|
||||
|
||||
template <class ELFT>
|
||||
static error_code elf2yaml(raw_ostream &Out, const object::ELFFile<ELFT> &Obj) {
|
||||
ELFDumper<ELFT> Dumper(Obj);
|
||||
ErrorOr<ELFYAML::Object *> YAMLOrErr = Dumper.dump();
|
||||
if (error_code EC = YAMLOrErr.getError())
|
||||
return EC;
|
||||
|
||||
std::unique_ptr<ELFYAML::Object> YAML(YAMLOrErr.get());
|
||||
yaml::Output Yout(Out);
|
||||
Yout << *YAML;
|
||||
|
||||
return object::object_error::success;
|
||||
}
|
||||
|
||||
error_code elf2yaml(raw_ostream &Out, const object::ObjectFile &Obj) {
|
||||
if (const auto *ELFObj = dyn_cast<object::ELF32LEObjectFile>(&Obj))
|
||||
return elf2yaml(Out, *ELFObj->getELFFile());
|
||||
|
||||
if (const auto *ELFObj = dyn_cast<object::ELF32BEObjectFile>(&Obj))
|
||||
return elf2yaml(Out, *ELFObj->getELFFile());
|
||||
|
||||
if (const auto *ELFObj = dyn_cast<object::ELF64LEObjectFile>(&Obj))
|
||||
return elf2yaml(Out, *ELFObj->getELFFile());
|
||||
|
||||
if (const auto *ELFObj = dyn_cast<object::ELF64BEObjectFile>(&Obj))
|
||||
return elf2yaml(Out, *ELFObj->getELFFile());
|
||||
|
||||
return obj2yaml_error::unsupported_obj_file_format;
|
||||
}
|
||||
|
|
@ -22,6 +22,8 @@ using namespace llvm::object;
|
|||
static error_code dumpObject(const ObjectFile &Obj) {
|
||||
if (Obj.isCOFF())
|
||||
return coff2yaml(outs(), cast<COFFObjectFile>(Obj));
|
||||
if (Obj.isELF())
|
||||
return elf2yaml(outs(), Obj);
|
||||
|
||||
return obj2yaml_error::unsupported_obj_file_format;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,5 +19,7 @@
|
|||
|
||||
llvm::error_code coff2yaml(llvm::raw_ostream &Out,
|
||||
const llvm::object::COFFObjectFile &Obj);
|
||||
llvm::error_code elf2yaml(llvm::raw_ostream &Out,
|
||||
const llvm::object::ObjectFile &Obj);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue