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//===- 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/Core/TargetInfo.h"
#include "lld/ReaderWriter/Simple.h"
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 MachOTargetInfo &ti)
: SimpleFile(ti, "C runtime"), _undefMain(*this, ti.entrySymbolName()) {
// only main executables need _main
if (ti.outputFileType() == MH_EXECUTE) {
this->addAtom(_undefMain);
}
}
private:
SimpleUndefinedAtom _undefMain;
};
} // namespace mach_o
} // namespace lld
#endif // LLD_READER_WRITER_MACHO_EXECUTABLE_ATOM_H_
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