llvm-6502/include/llvm/Object/COFF.h
Benjamin Kramer 07ea23aa2d ObjectFile: Add a method to check whether a section contains a symbol.
- No ELF or COFF implementation yet, I don't have a way to test that.
  Should be straightforward to add though.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135288 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-15 18:39:21 +00:00

118 lines
3.8 KiB
C++

//===- COFF.h - COFF object file implementation -----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the COFFObjectFile class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_OBJECT_COFF_H
#define LLVM_OBJECT_COFF_H
#include "llvm/Object/ObjectFile.h"
#include "llvm/Support/COFF.h"
#include "llvm/Support/Endian.h"
namespace llvm {
namespace object {
struct coff_file_header {
support::ulittle16_t Machine;
support::ulittle16_t NumberOfSections;
support::ulittle32_t TimeDateStamp;
support::ulittle32_t PointerToSymbolTable;
support::ulittle32_t NumberOfSymbols;
support::ulittle16_t SizeOfOptionalHeader;
support::ulittle16_t Characteristics;
};
struct coff_symbol {
struct StringTableOffset {
support::ulittle32_t Zeroes;
support::ulittle32_t Offset;
};
union {
char ShortName[8];
StringTableOffset Offset;
} Name;
support::ulittle32_t Value;
support::little16_t SectionNumber;
struct {
support::ulittle8_t BaseType;
support::ulittle8_t ComplexType;
} Type;
support::ulittle8_t StorageClass;
support::ulittle8_t NumberOfAuxSymbols;
};
struct coff_section {
char Name[8];
support::ulittle32_t VirtualSize;
support::ulittle32_t VirtualAddress;
support::ulittle32_t SizeOfRawData;
support::ulittle32_t PointerToRawData;
support::ulittle32_t PointerToRelocations;
support::ulittle32_t PointerToLinenumbers;
support::ulittle16_t NumberOfRelocations;
support::ulittle16_t NumberOfLinenumbers;
support::ulittle32_t Characteristics;
};
class COFFObjectFile : public ObjectFile {
private:
const coff_file_header *Header;
const coff_section *SectionTable;
const coff_symbol *SymbolTable;
const char *StringTable;
uint32_t StringTableSize;
error_code getSection(int32_t index,
const coff_section *&Res) const;
error_code getString(uint32_t offset, StringRef &Res) const;
const coff_symbol *toSymb(DataRefImpl Symb) const;
const coff_section *toSec(DataRefImpl Sec) const;
protected:
virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const;
virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const;
virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const;
virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const;
virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const;
virtual error_code isSymbolInternal(DataRefImpl Symb, bool &Res) const;
virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const;
virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const;
virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const;
virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const;
virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
bool &Result) const;
public:
COFFObjectFile(MemoryBuffer *Object, error_code &ec);
virtual symbol_iterator begin_symbols() const;
virtual symbol_iterator end_symbols() const;
virtual section_iterator begin_sections() const;
virtual section_iterator end_sections() const;
virtual uint8_t getBytesInAddress() const;
virtual StringRef getFileFormatName() const;
virtual unsigned getArch() const;
};
}
}
#endif