1//===- COFFWriter.h ---------------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_LIB_OBJCOPY_COFF_COFFWRITER_H
10#define LLVM_LIB_OBJCOPY_COFF_COFFWRITER_H
11
12#include "llvm/MC/StringTableBuilder.h"
13#include "llvm/Support/Error.h"
14#include "llvm/Support/MemoryBuffer.h"
15#include <cstddef>
16#include <utility>
17
18namespace llvm {
19namespace objcopy {
20namespace coff {
21
22struct Object;
23
24class COFFWriter {
25  Object &Obj;
26  std::unique_ptr<WritableMemoryBuffer> Buf;
27  raw_ostream &Out;
28
29  size_t FileSize;
30  size_t FileAlignment;
31  size_t SizeOfInitializedData;
32  StringTableBuilder StrTabBuilder;
33
34  template <class SymbolTy> std::pair<size_t, size_t> finalizeSymbolTable();
35  Error finalizeRelocTargets();
36  Error finalizeSymbolContents();
37  void layoutSections();
38  Expected<size_t> finalizeStringTable();
39
40  Error finalize(bool IsBigObj);
41
42  void writeHeaders(bool IsBigObj);
43  void writeSections();
44  template <class SymbolTy> void writeSymbolStringTables();
45
46  Error write(bool IsBigObj);
47
48  Error patchDebugDirectory();
49  Expected<uint32_t> virtualAddressToFileAddress(uint32_t RVA);
50
51public:
52  virtual ~COFFWriter() {}
53  Error write();
54
55  COFFWriter(Object &Obj, raw_ostream &Out)
56      : Obj(Obj), Out(Out), StrTabBuilder(StringTableBuilder::WinCOFF) {}
57};
58
59} // end namespace coff
60} // end namespace objcopy
61} // end namespace llvm
62
63#endif // LLVM_LIB_OBJCOPY_COFF_COFFWRITER_H
64