1 //===- MachOUniversal.h - Mach-O universal binaries -------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares Mach-O fat/universal binaries.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_OBJECT_MACHOUNIVERSAL_H
15 #define LLVM_OBJECT_MACHOUNIVERSAL_H
17 #include "llvm/ADT/StringRef.h"
18 #include "llvm/ADT/Triple.h"
19 #include "llvm/Object/Binary.h"
20 #include "llvm/Object/Archive.h"
21 #include "llvm/Object/MachO.h"
22 #include "llvm/Support/ErrorOr.h"
23 #include "llvm/Support/MachO.h"
28 class MachOUniversalBinary : public Binary {
29 virtual void anchor();
31 uint32_t NumberOfObjects;
34 const MachOUniversalBinary *Parent;
35 /// \brief Index of object in the universal binary.
37 /// \brief Descriptor of the object.
38 MachO::fat_arch Header;
41 ObjectForArch(const MachOUniversalBinary *Parent, uint32_t Index);
48 bool operator==(const ObjectForArch &Other) const {
49 return (Parent == Other.Parent) && (Index == Other.Index);
52 ObjectForArch getNext() const { return ObjectForArch(Parent, Index + 1); }
53 uint32_t getCPUType() const { return Header.cputype; }
54 std::string getArchTypeName() const {
55 Triple T = MachOObjectFile::getArch(Header.cputype, Header.cpusubtype);
56 return T.getArchName();
59 ErrorOr<std::unique_ptr<MachOObjectFile>> getAsObjectFile() const;
61 std::error_code getAsArchive(std::unique_ptr<Archive> &Result) const;
64 class object_iterator {
67 object_iterator(const ObjectForArch &Obj) : Obj(Obj) {}
68 const ObjectForArch* operator->() const {
72 bool operator==(const object_iterator &Other) const {
73 return Obj == Other.Obj;
75 bool operator!=(const object_iterator &Other) const {
76 return !(*this == Other);
79 object_iterator& operator++() { // Preincrement
85 MachOUniversalBinary(MemoryBufferRef Souce, std::error_code &EC);
86 static ErrorOr<std::unique_ptr<MachOUniversalBinary>>
87 create(MemoryBufferRef Source);
89 object_iterator begin_objects() const {
90 return ObjectForArch(this, 0);
92 object_iterator end_objects() const {
93 return ObjectForArch(nullptr, 0);
96 uint32_t getNumberOfObjects() const { return NumberOfObjects; }
99 static inline bool classof(Binary const *V) {
100 return V->isMachOUniversalBinary();
103 ErrorOr<std::unique_ptr<MachOObjectFile>>
104 getObjectForArch(Triple::ArchType Arch) const;