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author | Eric Christopher <echristo@gmail.com> | 2013-04-03 18:31:38 +0000 |
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committer | Eric Christopher <echristo@gmail.com> | 2013-04-03 18:31:38 +0000 |
commit | 76e70f340c09ba759ad96d8dfe416b64f24bc287 (patch) | |
tree | ac6cbe6235f9bf391026db87c52a0d617d35c9ba /tools/llvm-readobj/ObjDumper.h | |
parent | 99ff2ba240979249b61514c1536bbe23be84ecc7 (diff) | |
download | llvm-76e70f340c09ba759ad96d8dfe416b64f24bc287.tar.gz llvm-76e70f340c09ba759ad96d8dfe416b64f24bc287.tar.bz2 llvm-76e70f340c09ba759ad96d8dfe416b64f24bc287.tar.xz |
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
Diffstat (limited to 'tools/llvm-readobj/ObjDumper.h')
-rw-r--r-- | tools/llvm-readobj/ObjDumper.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tools/llvm-readobj/ObjDumper.h b/tools/llvm-readobj/ObjDumper.h new file mode 100644 index 0000000000..8d191cbe07 --- /dev/null +++ b/tools/llvm-readobj/ObjDumper.h @@ -0,0 +1,60 @@ +//===-- ObjDumper.h -------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_READOBJ_OBJDUMPER_H +#define LLVM_READOBJ_OBJDUMPER_H + +namespace llvm { + +namespace object { + class ObjectFile; +} + +class error_code; + +template<typename T> +class OwningPtr; + +class StreamWriter; + +class ObjDumper { +public: + ObjDumper(StreamWriter& Writer); + virtual ~ObjDumper(); + + virtual void printFileHeaders() = 0; + virtual void printSections() = 0; + virtual void printRelocations() = 0; + virtual void printSymbols() = 0; + virtual void printDynamicSymbols() = 0; + virtual void printUnwindInfo() = 0; + + // Only implemented for ELF at this time. + virtual void printDynamicTable() { } + virtual void printNeededLibraries() { } + +protected: + StreamWriter& W; +}; + +error_code createCOFFDumper(const object::ObjectFile *Obj, + StreamWriter& Writer, + OwningPtr<ObjDumper> &Result); + +error_code createELFDumper(const object::ObjectFile *Obj, + StreamWriter& Writer, + OwningPtr<ObjDumper> &Result); + +error_code createMachODumper(const object::ObjectFile *Obj, + StreamWriter& Writer, + OwningPtr<ObjDumper> &Result); + +} // namespace llvm + +#endif |