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
309
| //===- MachOYAML.h - Mach-O 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 Mach-O.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_OBJECTYAML_MACHOYAML_H
#define LLVM_OBJECTYAML_MACHOYAML_H
#include "llvm/ADT/StringRef.h"
#include "llvm/BinaryFormat/MachO.h"
#include "llvm/ObjectYAML/DWARFYAML.h"
#include "llvm/ObjectYAML/YAML.h"
#include "llvm/Support/YAMLTraits.h"
#include <cstdint>
#include <string>
#include <vector>
namespace llvm {
namespace MachOYAML {
struct Section {
char sectname[16];
char segname[16];
llvm::yaml::Hex64 addr;
uint64_t size;
llvm::yaml::Hex32 offset;
uint32_t align;
llvm::yaml::Hex32 reloff;
uint32_t nreloc;
llvm::yaml::Hex32 flags;
llvm::yaml::Hex32 reserved1;
llvm::yaml::Hex32 reserved2;
llvm::yaml::Hex32 reserved3;
Optional<llvm::yaml::BinaryRef> content;
};
struct FileHeader {
llvm::yaml::Hex32 magic;
llvm::yaml::Hex32 cputype;
llvm::yaml::Hex32 cpusubtype;
llvm::yaml::Hex32 filetype;
uint32_t ncmds;
uint32_t sizeofcmds;
llvm::yaml::Hex32 flags;
llvm::yaml::Hex32 reserved;
};
struct LoadCommand {
virtual ~LoadCommand();
llvm::MachO::macho_load_command Data;
std::vector<Section> Sections;
std::vector<MachO::build_tool_version> Tools;
std::vector<llvm::yaml::Hex8> PayloadBytes;
std::string PayloadString;
uint64_t ZeroPadBytes;
};
struct NListEntry {
uint32_t n_strx;
llvm::yaml::Hex8 n_type;
uint8_t n_sect;
uint16_t n_desc;
uint64_t n_value;
};
struct RebaseOpcode {
MachO::RebaseOpcode Opcode;
uint8_t Imm;
std::vector<yaml::Hex64> ExtraData;
};
struct BindOpcode {
MachO::BindOpcode Opcode;
uint8_t Imm;
std::vector<yaml::Hex64> ULEBExtraData;
std::vector<int64_t> SLEBExtraData;
StringRef Symbol;
};
struct ExportEntry {
uint64_t TerminalSize = 0;
uint64_t NodeOffset = 0;
std::string Name;
llvm::yaml::Hex64 Flags = 0;
llvm::yaml::Hex64 Address = 0;
llvm::yaml::Hex64 Other = 0;
std::string ImportName;
std::vector<MachOYAML::ExportEntry> Children;
};
struct LinkEditData {
std::vector<MachOYAML::RebaseOpcode> RebaseOpcodes;
std::vector<MachOYAML::BindOpcode> BindOpcodes;
std::vector<MachOYAML::BindOpcode> WeakBindOpcodes;
std::vector<MachOYAML::BindOpcode> LazyBindOpcodes;
MachOYAML::ExportEntry ExportTrie;
std::vector<NListEntry> NameList;
std::vector<StringRef> StringTable;
bool isEmpty() const;
};
struct Object {
bool IsLittleEndian;
FileHeader Header;
std::vector<LoadCommand> LoadCommands;
std::vector<Section> Sections;
LinkEditData LinkEdit;
DWARFYAML::Data DWARF;
};
struct FatHeader {
llvm::yaml::Hex32 magic;
uint32_t nfat_arch;
};
struct FatArch {
llvm::yaml::Hex32 cputype;
llvm::yaml::Hex32 cpusubtype;
llvm::yaml::Hex64 offset;
uint64_t size;
uint32_t align;
llvm::yaml::Hex32 reserved;
};
struct UniversalBinary {
FatHeader Header;
std::vector<FatArch> FatArchs;
std::vector<Object> Slices;
};
} // end namespace MachOYAML
} // end namespace llvm
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::LoadCommand)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::Section)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::RebaseOpcode)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::BindOpcode)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::ExportEntry)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::NListEntry)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::Object)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::FatArch)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachO::build_tool_version)
namespace llvm {
class raw_ostream;
namespace yaml {
template <> struct MappingTraits<MachOYAML::FileHeader> {
static void mapping(IO &IO, MachOYAML::FileHeader &FileHeader);
};
template <> struct MappingTraits<MachOYAML::Object> {
static void mapping(IO &IO, MachOYAML::Object &Object);
};
template <> struct MappingTraits<MachOYAML::FatHeader> {
static void mapping(IO &IO, MachOYAML::FatHeader &FatHeader);
};
template <> struct MappingTraits<MachOYAML::FatArch> {
static void mapping(IO &IO, MachOYAML::FatArch &FatArch);
};
template <> struct MappingTraits<MachOYAML::UniversalBinary> {
static void mapping(IO &IO, MachOYAML::UniversalBinary &UniversalBinary);
};
template <> struct MappingTraits<MachOYAML::LoadCommand> {
static void mapping(IO &IO, MachOYAML::LoadCommand &LoadCommand);
};
template <> struct MappingTraits<MachOYAML::LinkEditData> {
static void mapping(IO &IO, MachOYAML::LinkEditData &LinkEditData);
};
template <> struct MappingTraits<MachOYAML::RebaseOpcode> {
static void mapping(IO &IO, MachOYAML::RebaseOpcode &RebaseOpcode);
};
template <> struct MappingTraits<MachOYAML::BindOpcode> {
static void mapping(IO &IO, MachOYAML::BindOpcode &BindOpcode);
};
template <> struct MappingTraits<MachOYAML::ExportEntry> {
static void mapping(IO &IO, MachOYAML::ExportEntry &ExportEntry);
};
template <> struct MappingTraits<MachOYAML::Section> {
static void mapping(IO &IO, MachOYAML::Section &Section);
static StringRef validate(IO &io, MachOYAML::Section &Section);
};
template <> struct MappingTraits<MachOYAML::NListEntry> {
static void mapping(IO &IO, MachOYAML::NListEntry &NListEntry);
};
template <> struct MappingTraits<MachO::build_tool_version> {
static void mapping(IO &IO, MachO::build_tool_version &tool);
};
#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct) \
io.enumCase(value, #LCName, MachO::LCName);
template <> struct ScalarEnumerationTraits<MachO::LoadCommandType> {
static void enumeration(IO &io, MachO::LoadCommandType &value) {
#include "llvm/BinaryFormat/MachO.def"
io.enumFallback<Hex32>(value);
}
};
#define ENUM_CASE(Enum) io.enumCase(value, #Enum, MachO::Enum);
template <> struct ScalarEnumerationTraits<MachO::RebaseOpcode> {
static void enumeration(IO &io, MachO::RebaseOpcode &value) {
ENUM_CASE(REBASE_OPCODE_DONE)
ENUM_CASE(REBASE_OPCODE_SET_TYPE_IMM)
ENUM_CASE(REBASE_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB)
ENUM_CASE(REBASE_OPCODE_ADD_ADDR_ULEB)
ENUM_CASE(REBASE_OPCODE_ADD_ADDR_IMM_SCALED)
ENUM_CASE(REBASE_OPCODE_DO_REBASE_IMM_TIMES)
ENUM_CASE(REBASE_OPCODE_DO_REBASE_ULEB_TIMES)
ENUM_CASE(REBASE_OPCODE_DO_REBASE_ADD_ADDR_ULEB)
ENUM_CASE(REBASE_OPCODE_DO_REBASE_ULEB_TIMES_SKIPPING_ULEB)
io.enumFallback<Hex8>(value);
}
};
template <> struct ScalarEnumerationTraits<MachO::BindOpcode> {
static void enumeration(IO &io, MachO::BindOpcode &value) {
ENUM_CASE(BIND_OPCODE_DONE)
ENUM_CASE(BIND_OPCODE_SET_DYLIB_ORDINAL_IMM)
ENUM_CASE(BIND_OPCODE_SET_DYLIB_ORDINAL_ULEB)
ENUM_CASE(BIND_OPCODE_SET_DYLIB_SPECIAL_IMM)
ENUM_CASE(BIND_OPCODE_SET_SYMBOL_TRAILING_FLAGS_IMM)
ENUM_CASE(BIND_OPCODE_SET_TYPE_IMM)
ENUM_CASE(BIND_OPCODE_SET_ADDEND_SLEB)
ENUM_CASE(BIND_OPCODE_SET_SEGMENT_AND_OFFSET_ULEB)
ENUM_CASE(BIND_OPCODE_ADD_ADDR_ULEB)
ENUM_CASE(BIND_OPCODE_DO_BIND)
ENUM_CASE(BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB)
ENUM_CASE(BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED)
ENUM_CASE(BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB)
io.enumFallback<Hex8>(value);
}
};
// This trait is used for 16-byte chars in Mach structures used for strings
using char_16 = char[16];
template <> struct ScalarTraits<char_16> {
static void output(const char_16 &Val, void *, raw_ostream &Out);
static StringRef input(StringRef Scalar, void *, char_16 &Val);
static QuotingType mustQuote(StringRef S);
};
// This trait is used for UUIDs. It reads and writes them matching otool's
// formatting style.
using uuid_t = raw_ostream::uuid_t;
template <> struct ScalarTraits<uuid_t> {
static void output(const uuid_t &Val, void *, raw_ostream &Out);
static StringRef input(StringRef Scalar, void *, uuid_t &Val);
static QuotingType mustQuote(StringRef S);
};
// Load Command struct mapping traits
#define LOAD_COMMAND_STRUCT(LCStruct) \
template <> struct MappingTraits<MachO::LCStruct> { \
static void mapping(IO &IO, MachO::LCStruct &LoadCommand); \
};
#include "llvm/BinaryFormat/MachO.def"
// Extra structures used by load commands
template <> struct MappingTraits<MachO::dylib> {
static void mapping(IO &IO, MachO::dylib &LoadCommand);
};
template <> struct MappingTraits<MachO::fvmlib> {
static void mapping(IO &IO, MachO::fvmlib &LoadCommand);
};
template <> struct MappingTraits<MachO::section> {
static void mapping(IO &IO, MachO::section &LoadCommand);
};
template <> struct MappingTraits<MachO::section_64> {
static void mapping(IO &IO, MachO::section_64 &LoadCommand);
};
} // end namespace yaml
} // end namespace llvm
#endif // LLVM_OBJECTYAML_MACHOYAML_H
|