llvm-project/lld/MachO/InputSection.h

63 lines
1.4 KiB
C++

//===- InputSection.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_MACHO_INPUT_SECTION_H
#define LLD_MACHO_INPUT_SECTION_H
#include "lld/Common/LLVM.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/PointerUnion.h"
#include "llvm/BinaryFormat/MachO.h"
namespace lld {
namespace macho {
class InputFile;
class InputSection;
class OutputSection;
class Symbol;
struct Reloc {
uint8_t type;
uint32_t addend;
uint32_t offset;
llvm::PointerUnion<Symbol *, InputSection *> target;
};
class InputSection {
public:
virtual ~InputSection() = default;
virtual size_t getSize() const { return data.size(); }
virtual uint64_t getFileSize() const { return getSize(); }
uint64_t getFileOffset() const;
uint64_t getVA() const;
virtual void writeTo(uint8_t *buf);
InputFile *file = nullptr;
StringRef name;
StringRef segname;
OutputSection *parent = nullptr;
uint64_t outSecOff = 0;
uint64_t outSecFileOff = 0;
uint32_t align = 1;
uint32_t flags = 0;
ArrayRef<uint8_t> data;
std::vector<Reloc> relocs;
};
extern std::vector<InputSection *> inputSections;
} // namespace macho
} // namespace lld
#endif