From 76e70f340c09ba759ad96d8dfe416b64f24bc287 Mon Sep 17 00:00:00 2001 From: Eric Christopher Date: Wed, 3 Apr 2013 18:31:38 +0000 Subject: Implements low-level object file format specific output for COFF and 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 --- test/tools/llvm-readobj/sections.test | 113 ++++++++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 test/tools/llvm-readobj/sections.test (limited to 'test/tools/llvm-readobj/sections.test') diff --git a/test/tools/llvm-readobj/sections.test b/test/tools/llvm-readobj/sections.test new file mode 100644 index 0000000000..84154d759c --- /dev/null +++ b/test/tools/llvm-readobj/sections.test @@ -0,0 +1,113 @@ +RUN: llvm-readobj -s %p/Inputs/trivial.obj.coff-i386 \ +RUN: | FileCheck %s -check-prefix COFF +RUN: llvm-readobj -s %p/Inputs/trivial.obj.elf-i386 \ +RUN: | FileCheck %s -check-prefix ELF +RUN: llvm-readobj -s %p/Inputs/trivial.obj.macho-i386 \ +RUN: | FileCheck %s -check-prefix MACHO + +COFF: Sections [ +COFF-NEXT: Section { +COFF-NEXT: Number: 1 +COFF-NEXT: Name: .text (2E 74 65 78 74 00 00 00) +COFF-NEXT: VirtualSize: 0x0 +COFF-NEXT: VirtualAddress: 0x0 +COFF-NEXT: RawDataSize: 22 +COFF-NEXT: PointerToRawData: 0x64 +COFF-NEXT: PointerToRelocations: 0x7A +COFF-NEXT: PointerToLineNumbers: 0x0 +COFF-NEXT: RelocationCount: 3 +COFF-NEXT: LineNumberCount: 0 +COFF-NEXT: Characteristics [ (0x60500020) +COFF-NEXT: IMAGE_SCN_ALIGN_16BYTES (0x500000) +COFF-NEXT: IMAGE_SCN_CNT_CODE (0x20) +COFF-NEXT: IMAGE_SCN_MEM_EXECUTE (0x20000000) +COFF-NEXT: IMAGE_SCN_MEM_READ (0x40000000) +COFF-NEXT: ] +COFF-NEXT: } +COFF-NEXT: Section { +COFF-NEXT: Number: 2 +COFF-NEXT: Name: .data (2E 64 61 74 61 00 00 00) +COFF-NEXT: VirtualSize: 0x0 +COFF-NEXT: VirtualAddress: 0x0 +COFF-NEXT: RawDataSize: 13 +COFF-NEXT: PointerToRawData: 0x98 +COFF-NEXT: PointerToRelocations: 0x0 +COFF-NEXT: PointerToLineNumbers: 0x0 +COFF-NEXT: RelocationCount: 0 +COFF-NEXT: LineNumberCount: 0 +COFF-NEXT: Characteristics [ (0xC0300040) +COFF-NEXT: IMAGE_SCN_ALIGN_4BYTES (0x300000) +COFF-NEXT: IMAGE_SCN_CNT_INITIALIZED_DATA (0x40) +COFF-NEXT: IMAGE_SCN_MEM_READ (0x40000000) +COFF-NEXT: IMAGE_SCN_MEM_WRITE (0x80000000) +COFF-NEXT: ] +COFF-NEXT: } +COFF-NEXT: ] + +ELF: Sections [ +ELF-NEXT: Section { +ELF-NEXT: Index: 0 +ELF-NEXT: Name: (0) +ELF-NEXT: Type: SHT_NULL (0x0) +ELF-NEXT: Flags [ (0x0) +ELF-NEXT: ] +ELF-NEXT: Address: 0x0 +ELF-NEXT: Offset: 0x0 +ELF-NEXT: Size: 0 +ELF-NEXT: Link: 0 +ELF-NEXT: Info: 0 +ELF-NEXT: AddressAlignment: 0 +ELF-NEXT: EntrySize: 0 +ELF-NEXT: } +ELF-NEXT: Section { +ELF-NEXT: Index: 1 +ELF-NEXT: Name: .text (5) +ELF-NEXT: Type: SHT_PROGBITS (0x1) +ELF-NEXT: Flags [ (0x6) +ELF-NEXT: SHF_ALLOC (0x2) +ELF-NEXT: SHF_EXECINSTR (0x4) +ELF-NEXT: ] +ELF-NEXT: Address: 0x0 +ELF-NEXT: Offset: 0x40 +ELF-NEXT: Size: 42 +ELF-NEXT: Link: 0 +ELF-NEXT: Info: 0 +ELF-NEXT: AddressAlignment: 16 +ELF-NEXT: EntrySize: 0 +ELF-NEXT: } + +MACHO: Sections [ +MACHO-NEXT: Section { +MACHO-NEXT: Index: 0 +MACHO-NEXT: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00) +MACHO-NEXT: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00) +MACHO-NEXT: Address: 0x0 +MACHO-NEXT: Size: 0x22 +MACHO-NEXT: Offset: 324 +MACHO-NEXT: Alignment: 4 +MACHO-NEXT: RelocationOffset: 0x174 +MACHO-NEXT: RelocationCount: 4 +MACHO-NEXT: Type: 0x0 +MACHO-NEXT: Attributes [ (0x800004) +MACHO-NEXT: PureInstructions (0x800000) +MACHO-NEXT: SomeInstructions (0x4) +MACHO-NEXT: ] +MACHO-NEXT: Reserved1: 0x0 +MACHO-NEXT: Reserved2: 0x0 +MACHO-NEXT: } +MACHO-NEXT: Section { +MACHO-NEXT: Index: 1 +MACHO-NEXT: Name: __cstring (5F 5F 63 73 74 72 69 6E 67 00 00 00 00 00 00 00) +MACHO-NEXT: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00) +MACHO-NEXT: Address: 0x22 +MACHO-NEXT: Size: 0xD +MACHO-NEXT: Offset: 358 +MACHO-NEXT: Alignment: 0 +MACHO-NEXT: RelocationOffset: 0x0 +MACHO-NEXT: RelocationCount: 0 +MACHO-NEXT: Type: ExtReloc (0x2) +MACHO-NEXT: Attributes [ (0x0) +MACHO-NEXT: ] +MACHO-NEXT: Reserved1: 0x0 +MACHO-NEXT: Reserved2: 0x0 +MACHO-NEXT: } -- cgit v1.2.3