reference, declarationdefinition
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
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
  162
  163
  164
  165
  166
  167
  168
  169
  170
  171
  172
  173
  174
  175
  176
  177
  178
  179
  180
  181
  182
  183
  184
  185
  186
  187
  188
  189
  190
  191
  192
  193
  194
  195
  196
  197
  198
  199
  200
  201
  202
  203
  204
  205
  206
  207
  208
  209
  210
  211
  212
  213
  214
  215
  216
  217
  218
  219
  220
  221
  222
  223
  224
  225
  226
  227
  228
  229
  230
  231
  232
  233
  234
  235
  236
  237
  238
  239
  240
  241
  242
  243
  244
  245
  246
  247
  248
  249
  250
  251
  252
  253
  254
  255
  256
//===- COFFYAML.h - COFF YAMLIO implementation ------------------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file declares classes for handling the YAML representation of COFF.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_OBJECTYAML_COFFYAML_H
#define LLVM_OBJECTYAML_COFFYAML_H

#include "llvm/ADT/Optional.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/BinaryFormat/COFF.h"
#include "llvm/ObjectYAML/CodeViewYAMLDebugSections.h"
#include "llvm/ObjectYAML/CodeViewYAMLTypeHashing.h"
#include "llvm/ObjectYAML/CodeViewYAMLTypes.h"
#include "llvm/ObjectYAML/YAML.h"
#include <cstdint>
#include <vector>

namespace llvm {

namespace COFF {

inline Characteristics operator|(Characteristics a, Characteristics b) {
  uint32_t Ret = static_cast<uint32_t>(a) | static_cast<uint32_t>(b);
  return static_cast<Characteristics>(Ret);
}

inline SectionCharacteristics operator|(SectionCharacteristics a,
                                        SectionCharacteristics b) {
  uint32_t Ret = static_cast<uint32_t>(a) | static_cast<uint32_t>(b);
  return static_cast<SectionCharacteristics>(Ret);
}

inline DLLCharacteristics operator|(DLLCharacteristics a,
                                    DLLCharacteristics b) {
  uint16_t Ret = static_cast<uint16_t>(a) | static_cast<uint16_t>(b);
  return static_cast<DLLCharacteristics>(Ret);
}

} // end namespace COFF

// The structure of the yaml files is not an exact 1:1 match to COFF. In order
// to use yaml::IO, we use these structures which are closer to the source.
namespace COFFYAML {

LLVM_YAML_STRONG_TYPEDEF(uint8_t, COMDATType)
LLVM_YAML_STRONG_TYPEDEF(uint32_t, WeakExternalCharacteristics)
LLVM_YAML_STRONG_TYPEDEF(uint8_t, AuxSymbolType)

struct Relocation {
  uint32_t VirtualAddress;
  uint16_t Type;

  // Normally a Relocation can refer to the symbol via its name.
  // It can also use a direct symbol table index instead (with no name
  // specified), allowing disambiguating between multiple symbols with the
  // same name or crafting intentionally broken files for testing.
  StringRef SymbolName;
  Optional<uint32_t> SymbolTableIndex;
};

struct Section {
  COFF::section Header;
  unsigned Alignment = 0;
  yaml::BinaryRef SectionData;
  std::vector<CodeViewYAML::YAMLDebugSubsection> DebugS;
  std::vector<CodeViewYAML::LeafRecord> DebugT;
  std::vector<CodeViewYAML::LeafRecord> DebugP;
  Optional<CodeViewYAML::DebugHSection> DebugH;
  std::vector<Relocation> Relocations;
  StringRef Name;

  Section();
};

struct Symbol {
  COFF::symbol Header;
  COFF::SymbolBaseType SimpleType = COFF::IMAGE_SYM_TYPE_NULL;
  COFF::SymbolComplexType ComplexType = COFF::IMAGE_SYM_DTYPE_NULL;
  Optional<COFF::AuxiliaryFunctionDefinition> FunctionDefinition;
  Optional<COFF::AuxiliarybfAndefSymbol> bfAndefSymbol;
  Optional<COFF::AuxiliaryWeakExternal> WeakExternal;
  StringRef File;
  Optional<COFF::AuxiliarySectionDefinition> SectionDefinition;
  Optional<COFF::AuxiliaryCLRToken> CLRToken;
  StringRef Name;

  Symbol();
};

struct PEHeader {
  COFF::PE32Header Header;
  Optional<COFF::DataDirectory> DataDirectories[COFF::NUM_DATA_DIRECTORIES];
};

struct Object {
  Optional<PEHeader> OptionalHeader;
  COFF::header Header;
  std::vector<Section> Sections;
  std::vector<Symbol> Symbols;

  Object();
};

} // end namespace COFFYAML

} // end namespace llvm

LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Section)
LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Symbol)
LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Relocation)

namespace llvm {
namespace yaml {

template <>
struct ScalarEnumerationTraits<COFFYAML::WeakExternalCharacteristics> {
  static void enumeration(IO &IO, COFFYAML::WeakExternalCharacteristics &Value);
};

template <>
struct ScalarEnumerationTraits<COFFYAML::AuxSymbolType> {
  static void enumeration(IO &IO, COFFYAML::AuxSymbolType &Value);
};

template <>
struct ScalarEnumerationTraits<COFFYAML::COMDATType> {
  static void enumeration(IO &IO, COFFYAML::COMDATType &Value);
};

template <>
struct ScalarEnumerationTraits<COFF::MachineTypes> {
  static void enumeration(IO &IO, COFF::MachineTypes &Value);
};

template <>
struct ScalarEnumerationTraits<COFF::SymbolBaseType> {
  static void enumeration(IO &IO, COFF::SymbolBaseType &Value);
};

template <>
struct ScalarEnumerationTraits<COFF::SymbolStorageClass> {
  static void enumeration(IO &IO, COFF::SymbolStorageClass &Value);
};

template <>
struct ScalarEnumerationTraits<COFF::SymbolComplexType> {
  static void enumeration(IO &IO, COFF::SymbolComplexType &Value);
};

template <>
struct ScalarEnumerationTraits<COFF::RelocationTypeI386> {
  static void enumeration(IO &IO, COFF::RelocationTypeI386 &Value);
};

template <>
struct ScalarEnumerationTraits<COFF::RelocationTypeAMD64> {
  static void enumeration(IO &IO, COFF::RelocationTypeAMD64 &Value);
};

template <>
struct ScalarEnumerationTraits<COFF::RelocationTypesARM> {
  static void enumeration(IO &IO, COFF::RelocationTypesARM &Value);
};

template <>
struct ScalarEnumerationTraits<COFF::RelocationTypesARM64> {
  static void enumeration(IO &IO, COFF::RelocationTypesARM64 &Value);
};

template <>
struct ScalarEnumerationTraits<COFF::WindowsSubsystem> {
  static void enumeration(IO &IO, COFF::WindowsSubsystem &Value);
};

template <>
struct ScalarBitSetTraits<COFF::Characteristics> {
  static void bitset(IO &IO, COFF::Characteristics &Value);
};

template <>
struct ScalarBitSetTraits<COFF::SectionCharacteristics> {
  static void bitset(IO &IO, COFF::SectionCharacteristics &Value);
};

template <>
struct ScalarBitSetTraits<COFF::DLLCharacteristics> {
  static void bitset(IO &IO, COFF::DLLCharacteristics &Value);
};

template <>
struct MappingTraits<COFFYAML::Relocation> {
  static void mapping(IO &IO, COFFYAML::Relocation &Rel);
};

template <>
struct MappingTraits<COFFYAML::PEHeader> {
  static void mapping(IO &IO, COFFYAML::PEHeader &PH);
};

template <>
struct MappingTraits<COFF::DataDirectory> {
  static void mapping(IO &IO, COFF::DataDirectory &DD);
};

template <>
struct MappingTraits<COFF::header> {
  static void mapping(IO &IO, COFF::header &H);
};

template <> struct MappingTraits<COFF::AuxiliaryFunctionDefinition> {
  static void mapping(IO &IO, COFF::AuxiliaryFunctionDefinition &AFD);
};

template <> struct MappingTraits<COFF::AuxiliarybfAndefSymbol> {
  static void mapping(IO &IO, COFF::AuxiliarybfAndefSymbol &AAS);
};

template <> struct MappingTraits<COFF::AuxiliaryWeakExternal> {
  static void mapping(IO &IO, COFF::AuxiliaryWeakExternal &AWE);
};

template <> struct MappingTraits<COFF::AuxiliarySectionDefinition> {
  static void mapping(IO &IO, COFF::AuxiliarySectionDefinition &ASD);
};

template <> struct MappingTraits<COFF::AuxiliaryCLRToken> {
  static void mapping(IO &IO, COFF::AuxiliaryCLRToken &ACT);
};

template <>
struct MappingTraits<COFFYAML::Symbol> {
  static void mapping(IO &IO, COFFYAML::Symbol &S);
};

template <>
struct MappingTraits<COFFYAML::Section> {
  static void mapping(IO &IO, COFFYAML::Section &Sec);
};

template <>
struct MappingTraits<COFFYAML::Object> {
  static void mapping(IO &IO, COFFYAML::Object &Obj);
};

} // end namespace yaml
} // end namespace llvm

#endif // LLVM_OBJECTYAML_COFFYAML_H