forked from OSchip/llvm-project
102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
//===---- lib/ReaderWriter/MachO/SectCreateFile.h ---------------*- c++ -*-===//
|
|
//
|
|
// 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_SECTCREATE_FILE_H
|
|
#define LLD_READER_WRITER_MACHO_SECTCREATE_FILE_H
|
|
|
|
#include "lld/Core/DefinedAtom.h"
|
|
#include "lld/Core/Simple.h"
|
|
#include "lld/ReaderWriter/MachOLinkingContext.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 SectCreateFile : public File {
|
|
public:
|
|
class SectCreateAtom : public SimpleDefinedAtom {
|
|
public:
|
|
SectCreateAtom(const File &file, StringRef segName, StringRef sectName,
|
|
std::unique_ptr<MemoryBuffer> content)
|
|
: SimpleDefinedAtom(file),
|
|
_combinedName((segName + "/" + sectName).str()),
|
|
_content(std::move(content)) {}
|
|
|
|
~SectCreateAtom() override = default;
|
|
|
|
uint64_t size() const override { return _content->getBufferSize(); }
|
|
|
|
Scope scope() const override { return scopeGlobal; }
|
|
|
|
ContentType contentType() const override { return typeSectCreate; }
|
|
|
|
SectionChoice sectionChoice() const override { return sectionCustomRequired; }
|
|
|
|
StringRef customSectionName() const override { return _combinedName; }
|
|
|
|
DeadStripKind deadStrip() const override { return deadStripNever; }
|
|
|
|
ArrayRef<uint8_t> rawContent() const override {
|
|
const uint8_t *data =
|
|
reinterpret_cast<const uint8_t*>(_content->getBufferStart());
|
|
return ArrayRef<uint8_t>(data, _content->getBufferSize());
|
|
}
|
|
|
|
StringRef segmentName() const { return _segName; }
|
|
StringRef sectionName() const { return _sectName; }
|
|
|
|
private:
|
|
std::string _combinedName;
|
|
StringRef _segName;
|
|
StringRef _sectName;
|
|
std::unique_ptr<MemoryBuffer> _content;
|
|
};
|
|
|
|
SectCreateFile() : File("sectcreate", kindSectCreateObject) {}
|
|
|
|
void addSection(StringRef seg, StringRef sect,
|
|
std::unique_ptr<MemoryBuffer> content) {
|
|
_definedAtoms.push_back(
|
|
new (allocator()) SectCreateAtom(*this, seg, sect, std::move(content)));
|
|
}
|
|
|
|
const AtomRange<DefinedAtom> defined() const override {
|
|
return _definedAtoms;
|
|
}
|
|
|
|
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 {
|
|
_definedAtoms.clear();
|
|
_noUndefinedAtoms.clear();
|
|
_noSharedLibraryAtoms.clear();
|
|
_noAbsoluteAtoms.clear();
|
|
}
|
|
|
|
private:
|
|
AtomVector<DefinedAtom> _definedAtoms;
|
|
};
|
|
|
|
} // namespace mach_o
|
|
} // namespace lld
|
|
|
|
#endif // LLD_READER_WRITER_MACHO_SECTCREATE_FILE_H
|