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
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
|
# RUN: yaml2obj %s -o %t.obj
# RUN: lld-link %t.obj -nodefaultlib -entry:main -debug -out:%t.exe -pdb:%t.pdb
# RUN: llvm-pdbutil dump -symbols %t.pdb | FileCheck %s
# To regenerate the object file:
# $ cat symbol-types.c
# struct Foo { int x; };
# typedef struct Foo UDT_Foo;
# UDT_Foo global_foo = {42};
# int main() { return global_foo.x; }
# $ cl -c -Z7 symbol-types.c
# Note that the type of 'global' goes from 0x1005 in the object file to 0x1004
# in the PDB because the LF_FUNC_ID is moved to the id stream.
# CHECK: Symbols
# CHECK: ============================================================
# CHECK-LABEL: Mod 0000 | `{{.*}}pdb-symbol-types.yaml.tmp.obj`:
# CHECK: - S_OBJNAME [size = 52] sig=0, `C:\src\llvm-project\build\symbol-types.obj`
# CHECK: - S_COMPILE3 [size = 60]
# CHECK: machine = intel x86-x64, Ver = Microsoft (R) Optimizing Compiler, language = c
# CHECK: frontend = 19.0.24215.1, backend = 19.0.24215.1
# CHECK: flags = security checks | hot patchable
# CHECK: - S_GPROC32_ID [size = 44] `main`
# CHECK: parent = 0, addr = 0002:0000, code size = 7, end = 0
# CHECK: debug start = 0, debug end = 6, flags = none
# CHECK: - S_FRAMEPROC [size = 32]
# CHECK: size = 0, padding size = 0, offset to padding = 0
# CHECK: bytes of callee saved registers = 0, exception handler addr = 0000:0000
# CHECK: flags = has async eh | opt speed
# CHECK: - S_END [size = 4]
# CHECK: - S_GDATA32 [size = 28] `global_foo`
# CHECK: type = 0x1004 (Foo), addr = 0001:0000
# CHECK: - S_UDT [size = 16] `UDT_Foo`
# CHECK: original type = 0x1004
# CHECK: - S_UDT [size = 12] `Foo`
# CHECK: original type = 0x1004
# CHECK: - S_BUILDINFO [size = 8] BuildId = `4106`
# CHECK-LABEL: Mod 0001 | `* Linker *`:
--- !COFF
header:
Machine: IMAGE_FILE_MACHINE_AMD64
Characteristics: [ ]
sections:
- Name: .drectve
Characteristics: [ IMAGE_SCN_LNK_INFO, IMAGE_SCN_LNK_REMOVE ]
Alignment: 1
SectionData: 2020202F44454641554C544C49423A224C4942434D5422202F44454641554C544C49423A224F4C444E414D45532220
- Name: '.debug$S'
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
Alignment: 1
Subsections:
- !Symbols
Records:
- Kind: S_OBJNAME
ObjNameSym:
Signature: 0
ObjectName: 'C:\src\llvm-project\build\symbol-types.obj'
- Kind: S_COMPILE3
Compile3Sym:
Flags: [ SecurityChecks, HotPatch ]
Machine: X64
FrontendMajor: 19
FrontendMinor: 0
FrontendBuild: 24215
FrontendQFE: 1
BackendMajor: 19
BackendMinor: 0
BackendBuild: 24215
BackendQFE: 1
Version: 'Microsoft (R) Optimizing Compiler'
- !Symbols
Records:
- Kind: S_GPROC32_ID
ProcSym:
CodeSize: 7
DbgStart: 0
DbgEnd: 6
FunctionType: 4098
Flags: [ ]
DisplayName: main
- Kind: S_FRAMEPROC
FrameProcSym:
TotalFrameBytes: 0
PaddingFrameBytes: 0
OffsetToPadding: 0
BytesOfCalleeSavedRegisters: 0
OffsetOfExceptionHandler: 0
SectionIdOfExceptionHandler: 0
Flags: [ AsynchronousExceptionHandling, OptimizedForSpeed ]
- Kind: S_PROC_ID_END
ScopeEndSym:
- !Lines
CodeSize: 7
Flags: [ ]
RelocOffset: 0
RelocSegment: 0
Blocks:
- FileName: 'c:\src\llvm-project\build\symbol-types.c'
Lines:
- Offset: 0
LineStart: 4
IsStatement: true
EndDelta: 0
- Offset: 0
LineStart: 5
IsStatement: true
EndDelta: 0
- Offset: 6
LineStart: 6
IsStatement: true
EndDelta: 0
Columns:
- !Symbols
Records:
- Kind: S_GDATA32
DataSym:
Type: 4101
DisplayName: global_foo
- Kind: S_UDT
UDTSym:
Type: 4101
UDTName: UDT_Foo
- Kind: S_UDT
UDTSym:
Type: 4101
UDTName: Foo
- !FileChecksums
Checksums:
- FileName: 'c:\src\llvm-project\build\symbol-types.c'
Kind: MD5
Checksum: F833E1A4909FF6FEC5689A664F3BE725
- !StringTable
Strings:
- 'c:\src\llvm-project\build\symbol-types.c'
- !Symbols
Records:
- Kind: S_BUILDINFO
BuildInfoSym:
BuildId: 4111
Relocations:
- VirtualAddress: 164
SymbolName: main
Type: IMAGE_REL_AMD64_SECREL
- VirtualAddress: 168
SymbolName: main
Type: IMAGE_REL_AMD64_SECTION
- VirtualAddress: 220
SymbolName: main
Type: IMAGE_REL_AMD64_SECREL
- VirtualAddress: 224
SymbolName: main
Type: IMAGE_REL_AMD64_SECTION
- VirtualAddress: 284
SymbolName: global_foo
Type: IMAGE_REL_AMD64_SECREL
- VirtualAddress: 288
SymbolName: global_foo
Type: IMAGE_REL_AMD64_SECTION
- Name: '.debug$T'
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
Alignment: 1
Types:
- Kind: LF_ARGLIST
ArgList:
ArgIndices: [ 0 ]
- Kind: LF_PROCEDURE
Procedure:
ReturnType: 116
CallConv: NearC
Options: [ None ]
ParameterCount: 0
ArgumentList: 4096
- Kind: LF_FUNC_ID
FuncId:
ParentScope: 0
FunctionType: 4097
Name: main
- Kind: LF_STRUCTURE
Class:
MemberCount: 0
Options: [ None, ForwardReference, HasUniqueName ]
FieldList: 0
Name: Foo
UniqueName: '.?AUFoo@@'
DerivationList: 0
VTableShape: 0
Size: 0
- Kind: LF_FIELDLIST
FieldList:
- Kind: LF_MEMBER
DataMember:
Attrs: 3
Type: 116
FieldOffset: 0
Name: x
- Kind: LF_STRUCTURE
Class:
MemberCount: 1
Options: [ None, HasUniqueName ]
FieldList: 4100
Name: Foo
UniqueName: '.?AUFoo@@'
DerivationList: 0
VTableShape: 0
Size: 4
- Kind: LF_STRING_ID
StringId:
Id: 0
String: 'c:\src\llvm-project\build\symbol-types.c'
- Kind: LF_UDT_SRC_LINE
UdtSourceLine:
UDT: 4101
SourceFile: 4102
LineNumber: 1
- Kind: LF_STRING_ID
StringId:
Id: 0
String: 'C:\src\llvm-project\build'
- Kind: LF_STRING_ID
StringId:
Id: 0
String: 'C:\PROGRA~2\MICROS~1.0\VC\Bin\amd64\cl.exe'
- Kind: LF_STRING_ID
StringId:
Id: 0
String: '-c -Z7 -MT -IC:\PROGRA~2\MICROS~1.0\VC\include -IC:\PROGRA~2\MICROS~1.0\VC\atlmfc\include -IC:\PROGRA~2\WI3CF2~1\10\include\10.0.14393.0\ucrt -IC:\PROGRA~2\WI3CF2~1\10\include\10.0.14393.0\shared -IC:\PROGRA~2\WI3CF2~1\10\include\10.0.14393.0\um'
- Kind: LF_SUBSTR_LIST
StringList:
StringIndices: [ 4106 ]
- Kind: LF_STRING_ID
StringId:
Id: 4107
String: ' -IC:\PROGRA~2\WI3CF2~1\10\include\10.0.14393.0\winrt -TC -X'
- Kind: LF_STRING_ID
StringId:
Id: 0
String: symbol-types.c
- Kind: LF_STRING_ID
StringId:
Id: 0
String: 'C:\src\llvm-project\build\vc140.pdb'
- Kind: LF_BUILDINFO
BuildInfo:
ArgIndices: [ 4104, 4105, 4109, 4110, 4108 ]
- Name: .data
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE ]
Alignment: 4
SectionData: 2A000000
- Name: '.text$mn'
Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
Alignment: 16
SectionData: 8B0500000000C3
Relocations:
- VirtualAddress: 2
SymbolName: global_foo
Type: IMAGE_REL_AMD64_REL32
symbols:
- Name: '@comp.id'
Value: 17063575
SectionNumber: -1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
- Name: '@feat.00'
Value: 2147484048
SectionNumber: -1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
- Name: .drectve
Value: 0
SectionNumber: 1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
SectionDefinition:
Length: 47
NumberOfRelocations: 0
NumberOfLinenumbers: 0
CheckSum: 0
Number: 0
- Name: '.debug$S'
Value: 0
SectionNumber: 2
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
SectionDefinition:
Length: 432
NumberOfRelocations: 6
NumberOfLinenumbers: 0
CheckSum: 0
Number: 0
- Name: '.debug$T'
Value: 0
SectionNumber: 3
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
SectionDefinition:
Length: 732
NumberOfRelocations: 0
NumberOfLinenumbers: 0
CheckSum: 0
Number: 0
- Name: .data
Value: 0
SectionNumber: 4
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
SectionDefinition:
Length: 4
NumberOfRelocations: 0
NumberOfLinenumbers: 0
CheckSum: 3482275674
Number: 0
- Name: global_foo
Value: 0
SectionNumber: 4
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_EXTERNAL
- Name: '.text$mn'
Value: 0
SectionNumber: 5
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
SectionDefinition:
Length: 7
NumberOfRelocations: 1
NumberOfLinenumbers: 0
CheckSum: 3635526833
Number: 0
- Name: main
Value: 0
SectionNumber: 5
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_FUNCTION
StorageClass: IMAGE_SYM_CLASS_EXTERNAL
...
|
