forked from OSchip/llvm-project
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
//===- lib/ReaderWriter/MachO/ExecutableAtoms.hpp -------------------------===//
|
|
//
|
|
// The LLVM Linker
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLD_READER_WRITER_MACHO_EXECUTABLE_ATOM_H_
|
|
#define LLD_READER_WRITER_MACHO_EXECUTABLE_ATOM_H_
|
|
|
|
|
|
#include "lld/Core/DefinedAtom.h"
|
|
#include "lld/Core/UndefinedAtom.h"
|
|
#include "lld/Core/File.h"
|
|
#include "lld/Core/Reference.h"
|
|
|
|
#include "lld/ReaderWriter/WriterMachO.h"
|
|
|
|
#include "SimpleAtoms.hpp"
|
|
|
|
namespace lld {
|
|
namespace mach_o {
|
|
|
|
|
|
//
|
|
// CRuntimeFile adds an UndefinedAtom for "_main" so that the Resolving
|
|
// phase will fail if "_main" is undefined.
|
|
//
|
|
class CRuntimeFile : public SimpleFile {
|
|
public:
|
|
CRuntimeFile(const WriterOptionsMachO &options)
|
|
: SimpleFile("C runtime"), _undefMain(*this, "_main") {
|
|
// only main executables need _main
|
|
if ( options.outputKind() == WriterOptionsMachO::outputDynamicExecutable)
|
|
this->addAtom(_undefMain);
|
|
}
|
|
|
|
private:
|
|
SimpleUndefinedAtom _undefMain;
|
|
};
|
|
|
|
|
|
|
|
} // namespace mach_o
|
|
} // namespace lld
|
|
|
|
|
|
#endif // LLD_READER_WRITER_MACHO_EXECUTABLE_ATOM_H_
|