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
|
# Test reading an ExceptionRecord which is referenced in different ways:
# - Relocation against base of .xdata record, immediate offset in .pdata
# (what LLVM produces)
# - Relocation against symbol in .xdata, no immediate offset in .pdata
# (what MSVC produces)
# - Combination of the two above (unlikely to occur in the wild, but for
# testing the consistency of the code)
# RUN: yaml2obj %s -o %t.obj
# RUN: llvm-readobj --unwind %t.obj | FileCheck %s
# CHECK: UnwindInformation [
# CHECK-NEXT: RuntimeFunction {
# CHECK-NEXT: Function: func (0x0)
# CHECK-NEXT: ExceptionRecord: .xdata (0x0)
# CHECK-NEXT: ExceptionData {
# CHECK-NEXT: FunctionLength: 4
# CHECK-NEXT: Version: 0
# CHECK-NEXT: ExceptionData: No
# CHECK-NEXT: EpiloguePacked: No
# CHECK-NEXT: EpilogueScopes: 0
# CHECK-NEXT: ByteCodeLength: 4
# CHECK-NEXT: Prologue [
# CHECK-NEXT: 0xd400 ; str x19, [sp, #-8]!
# CHECK-NEXT: 0xe4 ; end
# CHECK-NEXT: ]
# CHECK-NEXT: EpilogueScopes [
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: }
# CHECK-NEXT: RuntimeFunction {
# CHECK-NEXT: Function: func2 (0x4)
# CHECK-NEXT: ExceptionRecord: .xdata +0x8 (0x8)
# CHECK-NEXT: ExceptionData {
# CHECK-NEXT: FunctionLength: 4
# CHECK-NEXT: Version: 0
# CHECK-NEXT: ExceptionData: No
# CHECK-NEXT: EpiloguePacked: No
# CHECK-NEXT: EpilogueScopes: 0
# CHECK-NEXT: ByteCodeLength: 4
# CHECK-NEXT: Prologue [
# CHECK-NEXT: 0xdc01 ; str d8, [sp, #8]
# CHECK-NEXT: 0xe4 ; end
# CHECK-NEXT: ]
# CHECK-NEXT: EpilogueScopes [
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: }
# CHECK-NEXT: RuntimeFunction {
# CHECK-NEXT: Function: func3 (0x8)
# CHECK-NEXT: ExceptionRecord: func3_xdata (0x10)
# CHECK-NEXT: ExceptionData {
# CHECK-NEXT: FunctionLength: 4
# CHECK-NEXT: Version: 0
# CHECK-NEXT: ExceptionData: No
# CHECK-NEXT: EpiloguePacked: No
# CHECK-NEXT: EpilogueScopes: 0
# CHECK-NEXT: ByteCodeLength: 4
# CHECK-NEXT: Prologue [
# CHECK-NEXT: 0xe1 ; mov fp, sp
# CHECK-NEXT: 0xe4 ; end
# CHECK-NEXT: ]
# CHECK-NEXT: EpilogueScopes [
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: }
# CHECK-NEXT: RuntimeFunction {
# CHECK-NEXT: Function: func4 (0xC)
# CHECK-NEXT: ExceptionRecord: func3_xdata +0x8 (0x18)
# CHECK-NEXT: ExceptionData {
# CHECK-NEXT: FunctionLength: 4
# CHECK-NEXT: Version: 0
# CHECK-NEXT: ExceptionData: No
# CHECK-NEXT: EpiloguePacked: No
# CHECK-NEXT: EpilogueScopes: 0
# CHECK-NEXT: ByteCodeLength: 4
# CHECK-NEXT: Prologue [
# CHECK-NEXT: 0x81 ; stp x29, x30, [sp, #-16]!
# CHECK-NEXT: 0xe4 ; end
# CHECK-NEXT: ]
# CHECK-NEXT: EpilogueScopes [
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: }
# CHECK-NEXT: ]
--- !COFF
header:
Machine: IMAGE_FILE_MACHINE_ARM64
Characteristics: [ ]
sections:
- Name: .text
Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
Alignment: 4
SectionData: F38F1FF8E80700FDFD030091FD7BBFA9
- Name: .xdata
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
Alignment: 4
SectionData: 01000008D400E4E301000008DC01E4E301000008E1E4E3E30100000881E4E3E3
- Name: .pdata
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
Alignment: 4
SectionData: '0000000000000000000000000800000000000000000000000000000008000000'
Relocations:
- VirtualAddress: 0
SymbolName: func
Type: IMAGE_REL_ARM64_ADDR32NB
- VirtualAddress: 4
SymbolName: .xdata
Type: IMAGE_REL_ARM64_ADDR32NB
- VirtualAddress: 8
SymbolName: func2
Type: IMAGE_REL_ARM64_ADDR32NB
- VirtualAddress: 12
SymbolName: .xdata
Type: IMAGE_REL_ARM64_ADDR32NB
- VirtualAddress: 16
SymbolName: func3
Type: IMAGE_REL_ARM64_ADDR32NB
- VirtualAddress: 20
SymbolName: func3_xdata
Type: IMAGE_REL_ARM64_ADDR32NB
- VirtualAddress: 24
SymbolName: func4
Type: IMAGE_REL_ARM64_ADDR32NB
- VirtualAddress: 28
SymbolName: func3_xdata
Type: IMAGE_REL_ARM64_ADDR32NB
symbols:
- Name: .text
Value: 0
SectionNumber: 1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
SectionDefinition:
Length: 16
NumberOfRelocations: 0
NumberOfLinenumbers: 0
CheckSum: 2581817939
Number: 1
- Name: .xdata
Value: 0
SectionNumber: 2
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
SectionDefinition:
Length: 32
NumberOfRelocations: 0
NumberOfLinenumbers: 0
CheckSum: 3086971960
Number: 2
- Name: .pdata
Value: 0
SectionNumber: 3
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
SectionDefinition:
Length: 32
NumberOfRelocations: 8
NumberOfLinenumbers: 0
CheckSum: 0
Number: 3
- Name: func
Value: 0
SectionNumber: 1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
- Name: func2
Value: 4
SectionNumber: 1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
- Name: func3
Value: 8
SectionNumber: 1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
- Name: func4
Value: 12
SectionNumber: 1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
- Name: func3_xdata
Value: 16
SectionNumber: 2
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
...
|