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//===- MachOUniversal.h - Mach-O universal binaries -------------*- 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 Mach-O fat/universal binaries.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_OBJECT_MACHOUNIVERSAL_H
#define LLVM_OBJECT_MACHOUNIVERSAL_H
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Object/Binary.h"
#include "llvm/Object/Archive.h"
#include "llvm/Object/MachO.h"
#include "llvm/Support/ErrorOr.h"
#include "llvm/Support/MachO.h"
namespace llvm {
namespace object {
class MachOUniversalBinary : public Binary {
virtual void anchor();
uint32_t NumberOfObjects;
public:
class ObjectForArch {
const MachOUniversalBinary *Parent;
/// \brief Index of object in the universal binary.
uint32_t Index;
/// \brief Descriptor of the object.
MachO::fat_arch Header;
public:
ObjectForArch(const MachOUniversalBinary *Parent, uint32_t Index);
void clear() {
Parent = nullptr;
Index = 0;
}
bool operator==(const ObjectForArch &Other) const {
return (Parent == Other.Parent) && (Index == Other.Index);
}
ObjectForArch getNext() const { return ObjectForArch(Parent, Index + 1); }
uint32_t getCPUType() const { return Header.cputype; }
std::string getArchTypeName() const {
Triple T = MachOObjectFile::getArch(Header.cputype, Header.cpusubtype);
return T.getArchName();
}
ErrorOr<std::unique_ptr<MachOObjectFile>> getAsObjectFile() const;
std::error_code getAsArchive(std::unique_ptr<Archive> &Result) const;
};
class object_iterator {
ObjectForArch Obj;
public:
object_iterator(const ObjectForArch &Obj) : Obj(Obj) {}
const ObjectForArch* operator->() const {
return &Obj;
}
bool operator==(const object_iterator &Other) const {
return Obj == Other.Obj;
}
bool operator!=(const object_iterator &Other) const {
return !(*this == Other);
}
object_iterator& operator++() { // Preincrement
Obj = Obj.getNext();
return *this;
}
};
MachOUniversalBinary(MemoryBufferRef Souce, std::error_code &EC);
static ErrorOr<std::unique_ptr<MachOUniversalBinary>>
create(MemoryBufferRef Source);
object_iterator begin_objects() const {
return ObjectForArch(this, 0);
}
object_iterator end_objects() const {
return ObjectForArch(nullptr, 0);
}
uint32_t getNumberOfObjects() const { return NumberOfObjects; }
// Cast methods.
static inline bool classof(Binary const *V) {
return V->isMachOUniversalBinary();
}
ErrorOr<std::unique_ptr<MachOObjectFile>>
getObjectForArch(Triple::ArchType Arch) const;
};
}
}
#endif
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