1//===- MachO.h - MachO object file implementation ---------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file declares the MachOObjectFile class, which binds the MachOObject
11// class to the generic ObjectFile wrapper.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef LLVM_OBJECT_MACHO_H
16#define LLVM_OBJECT_MACHO_H
17
18#include "llvm/Object/ObjectFile.h"
19#include "llvm/Object/MachOObject.h"
20#include "llvm/Support/MachO.h"
21#include "llvm/ADT/SmallVector.h"
22
23namespace llvm {
24namespace object {
25
26typedef MachOObject::LoadCommandInfo LoadCommandInfo;
27
28class MachOObjectFile : public ObjectFile {
29public:
30  MachOObjectFile(MemoryBuffer *Object, MachOObject *MOO, error_code &ec);
31
32  virtual symbol_iterator begin_symbols() const;
33  virtual symbol_iterator end_symbols() const;
34  virtual section_iterator begin_sections() const;
35  virtual section_iterator end_sections() const;
36
37  virtual uint8_t getBytesInAddress() const;
38  virtual StringRef getFileFormatName() const;
39  virtual unsigned getArch() const;
40
41protected:
42  virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const;
43  virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const;
44  virtual error_code getSymbolOffset(DataRefImpl Symb, uint64_t &Res) const;
45  virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const;
46  virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const;
47  virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const;
48  virtual error_code isSymbolInternal(DataRefImpl Symb, bool &Res) const;
49  virtual error_code isSymbolGlobal(DataRefImpl Symb, bool &Res) const;
50  virtual error_code getSymbolType(DataRefImpl Symb, SymbolRef::SymbolType &Res) const;
51
52  virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const;
53  virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const;
54  virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const;
55  virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const;
56  virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
57  virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const;
58  virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const;
59  virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const;
60  virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const;
61  virtual error_code sectionContainsSymbol(DataRefImpl DRI, DataRefImpl S,
62                                           bool &Result) const;
63  virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const;
64  virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const;
65
66  virtual error_code getRelocationNext(DataRefImpl Rel,
67                                       RelocationRef &Res) const;
68  virtual error_code getRelocationAddress(DataRefImpl Rel,
69                                          uint64_t &Res) const;
70  virtual error_code getRelocationSymbol(DataRefImpl Rel,
71                                         SymbolRef &Res) const;
72  virtual error_code getRelocationType(DataRefImpl Rel,
73                                       uint32_t &Res) const;
74  virtual error_code getRelocationTypeName(DataRefImpl Rel,
75                                           SmallVectorImpl<char> &Result) const;
76  virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel,
77                                                 int64_t &Res) const;
78  virtual error_code getRelocationValueString(DataRefImpl Rel,
79                                           SmallVectorImpl<char> &Result) const;
80
81private:
82  MachOObject *MachOObj;
83  mutable uint32_t RegisteredStringTable;
84  typedef SmallVector<DataRefImpl, 1> SectionList;
85  SectionList Sections;
86
87
88  void moveToNextSection(DataRefImpl &DRI) const;
89  void getSymbolTableEntry(DataRefImpl DRI,
90                           InMemoryStruct<macho::SymbolTableEntry> &Res) const;
91  void getSymbol64TableEntry(DataRefImpl DRI,
92                          InMemoryStruct<macho::Symbol64TableEntry> &Res) const;
93  void moveToNextSymbol(DataRefImpl &DRI) const;
94  void getSection(DataRefImpl DRI, InMemoryStruct<macho::Section> &Res) const;
95  void getSection64(DataRefImpl DRI,
96                    InMemoryStruct<macho::Section64> &Res) const;
97  void getRelocation(DataRefImpl Rel,
98                     InMemoryStruct<macho::RelocationEntry> &Res) const;
99  std::size_t getSectionIndex(DataRefImpl Sec) const;
100};
101
102}
103}
104
105#endif
106
107