reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82

//===- DLL.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_COFF_DLL_H
#define LLD_COFF_DLL_H

#include "Chunks.h"
#include "Symbols.h"

namespace lld {
namespace coff {

// Windows-specific.
// IdataContents creates all chunks for the DLL import table.
// You are supposed to call add() to add symbols and then
// call create() to populate the chunk vectors.
class IdataContents {
public:
  void add(DefinedImportData *sym) { imports.push_back(sym); }
  bool empty() { return imports.empty(); }

  void create();

  std::vector<DefinedImportData *> imports;
  std::vector<Chunk *> dirs;
  std::vector<Chunk *> lookups;
  std::vector<Chunk *> addresses;
  std::vector<Chunk *> hints;
  std::vector<Chunk *> dllNames;
};

// Windows-specific.
// DelayLoadContents creates all chunks for the delay-load DLL import table.
class DelayLoadContents {
public:
  void add(DefinedImportData *sym) { imports.push_back(sym); }
  bool empty() { return imports.empty(); }
  void create(Defined *helper);
  std::vector<Chunk *> getChunks();
  std::vector<Chunk *> getDataChunks();
  ArrayRef<Chunk *> getCodeChunks() { return thunks; }

  uint64_t getDirRVA() { return dirs[0]->getRVA(); }
  uint64_t getDirSize();

private:
  Chunk *newThunkChunk(DefinedImportData *s, Chunk *tailMerge);
  Chunk *newTailMergeChunk(Chunk *dir);

  Defined *helper;
  std::vector<DefinedImportData *> imports;
  std::vector<Chunk *> dirs;
  std::vector<Chunk *> moduleHandles;
  std::vector<Chunk *> addresses;
  std::vector<Chunk *> names;
  std::vector<Chunk *> hintNames;
  std::vector<Chunk *> thunks;
  std::vector<Chunk *> dllNames;
};

// Windows-specific.
// EdataContents creates all chunks for the DLL export table.
class EdataContents {
public:
  EdataContents();
  std::vector<Chunk *> chunks;

  uint64_t getRVA() { return chunks[0]->getRVA(); }
  uint64_t getSize() {
    return chunks.back()->getRVA() + chunks.back()->getSize() - getRVA();
  }
};

} // namespace coff
} // namespace lld

#endif