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