llvm-project/lld/lib/ReaderWriter/PECOFF/LoadConfigPass.h

64 lines
1.9 KiB
C++

//===- lib/ReaderWriter/PECOFF/LoadConfigPass.h ---------------------------===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file \brief This linker pass creates an atom for Load Configuration
/// structure.
///
/// For the details of the Load Configuration structure, see Microsoft PE/COFF
/// Specification section 5.8. The Load Configuration Structure (Image Only).
///
//===----------------------------------------------------------------------===//
#ifndef LLD_READER_WRITER_PE_COFF_LOAD_CONFIG_PASS_H
#define LLD_READER_WRITER_PE_COFF_LOAD_CONFIG_PASS_H
#include "Atoms.h"
#include "lld/Core/File.h"
#include "lld/Core/Pass.h"
#include "lld/Core/Simple.h"
#include "lld/ReaderWriter/PECOFFLinkingContext.h"
#include <map>
namespace lld {
namespace pecoff {
namespace loadcfg {
class LoadConfigAtom : public COFFLinkerInternalAtom {
public:
LoadConfigAtom(VirtualFile &file, const DefinedAtom *sxdata, int count);
SectionChoice sectionChoice() const override { return sectionCustomRequired; }
StringRef customSectionName() const override { return ".loadcfg"; }
ContentType contentType() const override { return typeData; }
ContentPermissions permissions() const override { return permR__; }
template <typename T> T *getContents() const {
return (T *)const_cast<uint8_t *>(rawContent().data());
}
};
} // namespace loadcfg
class LoadConfigPass : public lld::Pass {
public:
LoadConfigPass(PECOFFLinkingContext &ctx) : _ctx(ctx), _file(ctx) {}
void perform(std::unique_ptr<MutableFile> &file) override;
private:
PECOFFLinkingContext &_ctx;
VirtualFile _file;
mutable llvm::BumpPtrAllocator _alloc;
};
} // namespace pecoff
} // namespace lld
#endif