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https://github.com/c64scene-ar/llvm-6502.git
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167957fa09
It was only implemented for ELF where it collected the Addend, so this patch also renames it to getRelocationAddend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181502 91177308-0d34-0410-b5e6-96231b3b80d8
185 lines
8.2 KiB
C++
185 lines
8.2 KiB
C++
//===- MachO.h - MachO object file implementation ---------------*- 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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//
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// This file declares the MachOObjectFile class, which implement the ObjectFile
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// interface for MachO files.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_OBJECT_MACHO_H
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#define LLVM_OBJECT_MACHO_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/Object/MachOFormat.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/Support/MachO.h"
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#include "llvm/Support/raw_ostream.h"
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namespace llvm {
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namespace object {
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class MachOObjectFile : public ObjectFile {
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public:
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struct LoadCommandInfo {
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const char *Ptr; // Where in memory the load command is.
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macho::LoadCommand C; // The command itself.
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};
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MachOObjectFile(MemoryBuffer *Object, bool IsLittleEndian, bool Is64Bits,
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error_code &ec);
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virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const;
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virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const;
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virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const;
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virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const;
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virtual error_code getSymbolAlignment(DataRefImpl Symb, uint32_t &Res) const;
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virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const;
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virtual error_code getSymbolType(DataRefImpl Symb,
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SymbolRef::Type &Res) const;
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virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const;
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virtual error_code getSymbolFlags(DataRefImpl Symb, uint32_t &Res) const;
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virtual error_code getSymbolSection(DataRefImpl Symb,
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section_iterator &Res) const;
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virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const;
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virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const;
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virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const;
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virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const;
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virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const;
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virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
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virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const;
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virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
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virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
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virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
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virtual error_code isSectionRequiredForExecution(DataRefImpl Sec,
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bool &Res) const;
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virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const;
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virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const;
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virtual error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const;
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virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
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bool &Result) const;
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virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const;
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virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const;
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virtual error_code getRelocationNext(DataRefImpl Rel,
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RelocationRef &Res) const;
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virtual error_code getRelocationAddress(DataRefImpl Rel, uint64_t &Res) const;
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virtual error_code getRelocationOffset(DataRefImpl Rel, uint64_t &Res) const;
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virtual error_code getRelocationSymbol(DataRefImpl Rel, SymbolRef &Res) const;
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virtual error_code getRelocationType(DataRefImpl Rel, uint64_t &Res) const;
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virtual error_code getRelocationTypeName(DataRefImpl Rel,
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SmallVectorImpl<char> &Result) const;
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virtual error_code getRelocationValueString(DataRefImpl Rel,
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SmallVectorImpl<char> &Result) const;
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virtual error_code getRelocationHidden(DataRefImpl Rel, bool &Result) const;
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virtual error_code getLibraryNext(DataRefImpl LibData, LibraryRef &Res) const;
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virtual error_code getLibraryPath(DataRefImpl LibData, StringRef &Res) const;
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// TODO: Would be useful to have an iterator based version
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// of the load command interface too.
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virtual symbol_iterator begin_symbols() const;
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virtual symbol_iterator end_symbols() const;
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virtual symbol_iterator begin_dynamic_symbols() const;
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virtual symbol_iterator end_dynamic_symbols() const;
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virtual section_iterator begin_sections() const;
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virtual section_iterator end_sections() const;
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virtual library_iterator begin_libraries_needed() const;
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virtual library_iterator end_libraries_needed() const;
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virtual uint8_t getBytesInAddress() const;
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virtual StringRef getFileFormatName() const;
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virtual unsigned getArch() const;
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virtual StringRef getLoadName() const;
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relocation_iterator getSectionRelBegin(unsigned Index) const;
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relocation_iterator getSectionRelEnd(unsigned Index) const;
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// In a MachO file, sections have a segment name. This is used in the .o
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// files. They have a single segment, but this field specifies which segment
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// a section should be put in in the final object.
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StringRef getSectionFinalSegmentName(DataRefImpl Sec) const;
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// Names are stored as 16 bytes. These returns the raw 16 bytes without
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// interpreting them as a C string.
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ArrayRef<char> getSectionRawName(DataRefImpl Sec) const;
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ArrayRef<char> getSectionRawFinalSegmentName(DataRefImpl Sec) const;
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// MachO specific Info about relocations.
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bool isRelocationScattered(const macho::RelocationEntry &RE) const;
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unsigned getPlainRelocationSymbolNum(const macho::RelocationEntry &RE) const;
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bool getPlainRelocationExternal(const macho::RelocationEntry &RE) const;
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bool getScatteredRelocationScattered(const macho::RelocationEntry &RE) const;
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uint32_t getScatteredRelocationValue(const macho::RelocationEntry &RE) const;
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unsigned getAnyRelocationAddress(const macho::RelocationEntry &RE) const;
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unsigned getAnyRelocationPCRel(const macho::RelocationEntry &RE) const;
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unsigned getAnyRelocationLength(const macho::RelocationEntry &RE) const;
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unsigned getAnyRelocationType(const macho::RelocationEntry &RE) const;
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SectionRef getRelocationSection(const macho::RelocationEntry &RE) const;
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// Walk load commands.
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LoadCommandInfo getFirstLoadCommandInfo() const;
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LoadCommandInfo getNextLoadCommandInfo(const LoadCommandInfo &L) const;
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// MachO specific structures.
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macho::Section getSection(DataRefImpl DRI) const;
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macho::Section64 getSection64(DataRefImpl DRI) const;
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macho::Section getSection(const LoadCommandInfo &L, unsigned Index) const;
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macho::Section64 getSection64(const LoadCommandInfo &L, unsigned Index) const;
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macho::SymbolTableEntry getSymbolTableEntry(DataRefImpl DRI) const;
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macho::Symbol64TableEntry getSymbol64TableEntry(DataRefImpl DRI) const;
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macho::LinkeditDataLoadCommand
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getLinkeditDataLoadCommand(const LoadCommandInfo &L) const;
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macho::SegmentLoadCommand
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getSegmentLoadCommand(const LoadCommandInfo &L) const;
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macho::Segment64LoadCommand
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getSegment64LoadCommand(const LoadCommandInfo &L) const;
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macho::LinkerOptionsLoadCommand
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getLinkerOptionsLoadCommand(const LoadCommandInfo &L) const;
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macho::RelocationEntry getRelocation(DataRefImpl Rel) const;
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macho::Header getHeader() const;
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macho::Header64Ext getHeader64Ext() const;
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macho::IndirectSymbolTableEntry
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getIndirectSymbolTableEntry(const macho::DysymtabLoadCommand &DLC,
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unsigned Index) const;
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macho::DataInCodeTableEntry getDataInCodeTableEntry(uint32_t DataOffset,
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unsigned Index) const;
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macho::SymtabLoadCommand getSymtabLoadCommand() const;
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macho::DysymtabLoadCommand getDysymtabLoadCommand() const;
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StringRef getStringTableData() const;
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bool is64Bit() const;
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void ReadULEB128s(uint64_t Index, SmallVectorImpl<uint64_t> &Out) const;
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static bool classof(const Binary *v) {
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return v->isMachO();
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}
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private:
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typedef SmallVector<const char*, 1> SectionList;
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SectionList Sections;
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const char *SymtabLoadCmd;
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const char *DysymtabLoadCmd;
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};
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}
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}
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#endif
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