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
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
| //===- DWARFYAML.h - DWARF 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file declares classes for handling the YAML representation
/// of DWARF Debug Info.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_OBJECTYAML_DWARFYAML_H
#define LLVM_OBJECTYAML_DWARFYAML_H
#include "llvm/ADT/StringRef.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/Support/YAMLTraits.h"
#include <cstdint>
#include <vector>
namespace llvm {
namespace DWARFYAML {
struct InitialLength {
uint32_t TotalLength;
uint64_t TotalLength64;
bool isDWARF64() const { return TotalLength == UINT32_MAX; }
uint64_t getLength() const {
return isDWARF64() ? TotalLength64 : TotalLength;
}
void setLength(uint64_t Len) {
if (Len >= (uint64_t)UINT32_MAX) {
TotalLength64 = Len;
TotalLength = UINT32_MAX;
} else {
TotalLength = Len;
}
}
};
struct AttributeAbbrev {
llvm::dwarf::Attribute Attribute;
llvm::dwarf::Form Form;
llvm::yaml::Hex64 Value; // Some DWARF5 attributes have values
};
struct Abbrev {
llvm::yaml::Hex32 Code;
llvm::dwarf::Tag Tag;
llvm::dwarf::Constants Children;
std::vector<AttributeAbbrev> Attributes;
};
struct ARangeDescriptor {
llvm::yaml::Hex64 Address;
uint64_t Length;
};
struct ARange {
InitialLength Length;
uint16_t Version;
uint32_t CuOffset;
uint8_t AddrSize;
uint8_t SegSize;
std::vector<ARangeDescriptor> Descriptors;
};
struct PubEntry {
llvm::yaml::Hex32 DieOffset;
llvm::yaml::Hex8 Descriptor;
StringRef Name;
};
struct PubSection {
InitialLength Length;
uint16_t Version;
uint32_t UnitOffset;
uint32_t UnitSize;
bool IsGNUStyle = false;
std::vector<PubEntry> Entries;
};
struct FormValue {
llvm::yaml::Hex64 Value;
StringRef CStr;
std::vector<llvm::yaml::Hex8> BlockData;
};
struct Entry {
llvm::yaml::Hex32 AbbrCode;
std::vector<FormValue> Values;
};
struct Unit {
InitialLength Length;
uint16_t Version;
llvm::dwarf::UnitType Type; // Added in DWARF 5
uint32_t AbbrOffset;
uint8_t AddrSize;
std::vector<Entry> Entries;
};
struct File {
StringRef Name;
uint64_t DirIdx;
uint64_t ModTime;
uint64_t Length;
};
struct LineTableOpcode {
dwarf::LineNumberOps Opcode;
uint64_t ExtLen;
dwarf::LineNumberExtendedOps SubOpcode;
uint64_t Data;
int64_t SData;
File FileEntry;
std::vector<llvm::yaml::Hex8> UnknownOpcodeData;
std::vector<llvm::yaml::Hex64> StandardOpcodeData;
};
struct LineTable {
InitialLength Length;
uint16_t Version;
uint64_t PrologueLength;
uint8_t MinInstLength;
uint8_t MaxOpsPerInst;
uint8_t DefaultIsStmt;
uint8_t LineBase;
uint8_t LineRange;
uint8_t OpcodeBase;
std::vector<uint8_t> StandardOpcodeLengths;
std::vector<StringRef> IncludeDirs;
std::vector<File> Files;
std::vector<LineTableOpcode> Opcodes;
};
struct Data {
bool IsLittleEndian;
std::vector<Abbrev> AbbrevDecls;
std::vector<StringRef> DebugStrings;
std::vector<ARange> ARanges;
PubSection PubNames;
PubSection PubTypes;
PubSection GNUPubNames;
PubSection GNUPubTypes;
std::vector<Unit> CompileUnits;
std::vector<LineTable> DebugLines;
bool isEmpty() const;
};
} // end namespace DWARFYAML
} // end namespace llvm
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::Hex64)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::yaml::Hex8)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::AttributeAbbrev)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::Abbrev)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::ARangeDescriptor)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::ARange)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::PubEntry)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::Unit)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::FormValue)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::Entry)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::File)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::LineTable)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::DWARFYAML::LineTableOpcode)
namespace llvm {
namespace yaml {
template <> struct MappingTraits<DWARFYAML::Data> {
static void mapping(IO &IO, DWARFYAML::Data &DWARF);
};
template <> struct MappingTraits<DWARFYAML::Abbrev> {
static void mapping(IO &IO, DWARFYAML::Abbrev &Abbrev);
};
template <> struct MappingTraits<DWARFYAML::AttributeAbbrev> {
static void mapping(IO &IO, DWARFYAML::AttributeAbbrev &AttAbbrev);
};
template <> struct MappingTraits<DWARFYAML::ARangeDescriptor> {
static void mapping(IO &IO, DWARFYAML::ARangeDescriptor &Descriptor);
};
template <> struct MappingTraits<DWARFYAML::ARange> {
static void mapping(IO &IO, DWARFYAML::ARange &Range);
};
template <> struct MappingTraits<DWARFYAML::PubEntry> {
static void mapping(IO &IO, DWARFYAML::PubEntry &Entry);
};
template <> struct MappingTraits<DWARFYAML::PubSection> {
static void mapping(IO &IO, DWARFYAML::PubSection &Section);
};
template <> struct MappingTraits<DWARFYAML::Unit> {
static void mapping(IO &IO, DWARFYAML::Unit &Unit);
};
template <> struct MappingTraits<DWARFYAML::Entry> {
static void mapping(IO &IO, DWARFYAML::Entry &Entry);
};
template <> struct MappingTraits<DWARFYAML::FormValue> {
static void mapping(IO &IO, DWARFYAML::FormValue &FormValue);
};
template <> struct MappingTraits<DWARFYAML::File> {
static void mapping(IO &IO, DWARFYAML::File &File);
};
template <> struct MappingTraits<DWARFYAML::LineTableOpcode> {
static void mapping(IO &IO, DWARFYAML::LineTableOpcode &LineTableOpcode);
};
template <> struct MappingTraits<DWARFYAML::LineTable> {
static void mapping(IO &IO, DWARFYAML::LineTable &LineTable);
};
template <> struct MappingTraits<DWARFYAML::InitialLength> {
static void mapping(IO &IO, DWARFYAML::InitialLength &DWARF);
};
#define HANDLE_DW_TAG(unused, name, unused2, unused3, unused4) \
io.enumCase(value, "DW_TAG_" #name, dwarf::DW_TAG_##name);
template <> struct ScalarEnumerationTraits<dwarf::Tag> {
static void enumeration(IO &io, dwarf::Tag &value) {
#include "llvm/BinaryFormat/Dwarf.def"
io.enumFallback<Hex16>(value);
}
};
#define HANDLE_DW_LNS(unused, name) \
io.enumCase(value, "DW_LNS_" #name, dwarf::DW_LNS_##name);
template <> struct ScalarEnumerationTraits<dwarf::LineNumberOps> {
static void enumeration(IO &io, dwarf::LineNumberOps &value) {
#include "llvm/BinaryFormat/Dwarf.def"
io.enumFallback<Hex8>(value);
}
};
#define HANDLE_DW_LNE(unused, name) \
io.enumCase(value, "DW_LNE_" #name, dwarf::DW_LNE_##name);
template <> struct ScalarEnumerationTraits<dwarf::LineNumberExtendedOps> {
static void enumeration(IO &io, dwarf::LineNumberExtendedOps &value) {
#include "llvm/BinaryFormat/Dwarf.def"
io.enumFallback<Hex16>(value);
}
};
#define HANDLE_DW_AT(unused, name, unused2, unused3) \
io.enumCase(value, "DW_AT_" #name, dwarf::DW_AT_##name);
template <> struct ScalarEnumerationTraits<dwarf::Attribute> {
static void enumeration(IO &io, dwarf::Attribute &value) {
#include "llvm/BinaryFormat/Dwarf.def"
io.enumFallback<Hex16>(value);
}
};
#define HANDLE_DW_FORM(unused, name, unused2, unused3) \
io.enumCase(value, "DW_FORM_" #name, dwarf::DW_FORM_##name);
template <> struct ScalarEnumerationTraits<dwarf::Form> {
static void enumeration(IO &io, dwarf::Form &value) {
#include "llvm/BinaryFormat/Dwarf.def"
io.enumFallback<Hex16>(value);
}
};
#define HANDLE_DW_UT(unused, name) \
io.enumCase(value, "DW_UT_" #name, dwarf::DW_UT_##name);
template <> struct ScalarEnumerationTraits<dwarf::UnitType> {
static void enumeration(IO &io, dwarf::UnitType &value) {
#include "llvm/BinaryFormat/Dwarf.def"
io.enumFallback<Hex8>(value);
}
};
template <> struct ScalarEnumerationTraits<dwarf::Constants> {
static void enumeration(IO &io, dwarf::Constants &value) {
io.enumCase(value, "DW_CHILDREN_no", dwarf::DW_CHILDREN_no);
io.enumCase(value, "DW_CHILDREN_yes", dwarf::DW_CHILDREN_yes);
io.enumFallback<Hex16>(value);
}
};
} // end namespace yaml
} // end namespace llvm
#endif // LLVM_OBJECTYAML_DWARFYAML_H
|