llvm-project/lld/lib/ReaderWriter/MachO/FlatNamespaceFile.h

63 lines
1.9 KiB
C++

//===- lib/ReaderWriter/MachO/FlatNamespaceFile.h -------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLD_READER_WRITER_MACHO_FLAT_NAMESPACE_FILE_H
#define LLD_READER_WRITER_MACHO_FLAT_NAMESPACE_FILE_H
#include "Atoms.h"
#include "lld/Core/SharedLibraryFile.h"
#include "lld/ReaderWriter/MachOLinkingContext.h"
#include "llvm/Support/Debug.h"
namespace lld {
namespace mach_o {
//
// A FlateNamespaceFile instance may be added as a resolution source of last
// resort, depending on how -flat_namespace and -undefined are set.
//
class FlatNamespaceFile : public SharedLibraryFile {
public:
FlatNamespaceFile(const MachOLinkingContext &context)
: SharedLibraryFile("flat namespace") { }
OwningAtomPtr<SharedLibraryAtom> exports(StringRef name) const override {
return new (allocator()) MachOSharedLibraryAtom(*this, name, getDSOName(),
false);
}
StringRef getDSOName() const override { return "flat-namespace"; }
const AtomRange<DefinedAtom> defined() const override {
return _noDefinedAtoms;
}
const AtomRange<UndefinedAtom> undefined() const override {
return _noUndefinedAtoms;
}
const AtomRange<SharedLibraryAtom> sharedLibrary() const override {
return _noSharedLibraryAtoms;
}
const AtomRange<AbsoluteAtom> absolute() const override {
return _noAbsoluteAtoms;
}
void clearAtoms() override {
_noDefinedAtoms.clear();
_noUndefinedAtoms.clear();
_noSharedLibraryAtoms.clear();
_noAbsoluteAtoms.clear();
}
};
} // namespace mach_o
} // namespace lld
#endif // LLD_READER_WRITER_MACHO_FLAT_NAMESPACE_FILE_H