mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-08 04:07:07 +00:00
5e3a082c79
incorrect for bigendian systems. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142403 91177308-0d34-0410-b5e6-96231b3b80d8
182 lines
6.6 KiB
C++
182 lines
6.6 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;
|
|
|
|
support::ulittle16_t Type;
|
|
|
|
support::ulittle8_t StorageClass;
|
|
support::ulittle8_t NumberOfAuxSymbols;
|
|
|
|
uint8_t getBaseType() const {
|
|
return Type & 0x0F;
|
|
}
|
|
|
|
uint8_t getComplexType() const {
|
|
return (Type & 0xF0) >> 4;
|
|
}
|
|
};
|
|
|
|
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;
|
|
};
|
|
|
|
struct coff_relocation {
|
|
support::ulittle32_t VirtualAddress;
|
|
support::ulittle32_t SymbolTableIndex;
|
|
support::ulittle16_t Type;
|
|
};
|
|
|
|
struct coff_aux_section_definition {
|
|
support::ulittle32_t Length;
|
|
support::ulittle16_t NumberOfRelocations;
|
|
support::ulittle16_t NumberOfLinenumbers;
|
|
support::ulittle32_t CheckSum;
|
|
support::ulittle16_t Number;
|
|
support::ulittle8_t Selection;
|
|
char Unused[3];
|
|
};
|
|
|
|
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 getString(uint32_t offset, StringRef &Res) const;
|
|
|
|
const coff_symbol *toSymb(DataRefImpl Symb) const;
|
|
const coff_section *toSec(DataRefImpl Sec) const;
|
|
const coff_relocation *toRel(DataRefImpl Rel) const;
|
|
|
|
protected:
|
|
virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const;
|
|
virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const;
|
|
virtual error_code getSymbolOffset(DataRefImpl Symb, uint64_t &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 isSymbolGlobal(DataRefImpl Symb, bool &Res) const;
|
|
virtual error_code isSymbolWeak(DataRefImpl Symb, bool &Res) const;
|
|
virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::Type &Res) const;
|
|
virtual error_code isSymbolAbsolute(DataRefImpl Symb, bool &Res) const;
|
|
virtual error_code getSymbolSection(DataRefImpl Symb,
|
|
section_iterator &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 getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const;
|
|
virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
|
|
virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
|
|
virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
|
|
virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
|
|
bool &Result) const;
|
|
virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const;
|
|
virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const;
|
|
|
|
virtual error_code getRelocationNext(DataRefImpl Rel,
|
|
RelocationRef &Res) const;
|
|
virtual error_code getRelocationAddress(DataRefImpl Rel,
|
|
uint64_t &Res) const;
|
|
virtual error_code getRelocationSymbol(DataRefImpl Rel,
|
|
SymbolRef &Res) const;
|
|
virtual error_code getRelocationType(DataRefImpl Rel,
|
|
uint32_t &Res) const;
|
|
virtual error_code getRelocationTypeName(DataRefImpl Rel,
|
|
SmallVectorImpl<char> &Result) const;
|
|
virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel,
|
|
int64_t &Res) const;
|
|
virtual error_code getRelocationValueString(DataRefImpl Rel,
|
|
SmallVectorImpl<char> &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;
|
|
|
|
error_code getHeader(const coff_file_header *&Res) const;
|
|
error_code getSection(int32_t index, const coff_section *&Res) const;
|
|
error_code getSymbol(uint32_t index, const coff_symbol *&Res) const;
|
|
template <typename T>
|
|
error_code getAuxSymbol(uint32_t index, const T *&Res) const {
|
|
const coff_symbol *s;
|
|
error_code ec = getSymbol(index, s);
|
|
Res = reinterpret_cast<const T*>(s);
|
|
return ec;
|
|
}
|
|
error_code getSymbolName(const coff_symbol *symbol, StringRef &Res) const;
|
|
|
|
static inline bool classof(const Binary *v) {
|
|
return v->getType() == isCOFF;
|
|
}
|
|
static inline bool classof(const COFFObjectFile *v) { return true; }
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif
|