verneed.s
5.55 KB
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
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %S/Inputs/verneed1.s -o %t1.o
# RUN: echo "v1 {}; v2 {}; v3 { local: *; };" > %t.script
# RUN: ld.lld -shared %t1.o --version-script %t.script -o %t1.so -soname verneed1.so.0
# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %S/Inputs/verneed2.s -o %t2.o
# RUN: ld.lld -shared %t2.o --version-script %t.script -o %t2.so -soname verneed2.so.0
# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
# RUN: ld.lld --hash-style=sysv %t.o %t1.so %t2.so -o %t
# RUN: llvm-readobj -V --sections --section-data --dyn-syms --dynamic-table %t | FileCheck %s
# CHECK: Section {
# CHECK: Index: 1
# CHECK-NEXT: Name: .dynsym
# CHECK-NEXT: Type: SHT_DYNSYM (0xB)
# CHECK-NEXT: Flags [ (0x2)
# CHECK-NEXT: SHF_ALLOC (0x2)
# CHECK-NEXT: ]
# CHECK-NEXT: Address: 0x200200
# CHECK-NEXT: Offset: 0x200
# CHECK-NEXT: Size: 96
# CHECK-NEXT: Link: [[DYNSTR:.*]]
# CHECK-NEXT: Info: 1
# CHECK-NEXT: AddressAlignment: 8
# CHECK-NEXT: EntrySize: 24
# CHECK: Section {
# CHECK-NEXT: Index: 2
# CHECK-NEXT: Name: .gnu.version
# CHECK-NEXT: Type: SHT_GNU_versym (0x6FFFFFFF)
# CHECK-NEXT: Flags [ (0x2)
# CHECK-NEXT: SHF_ALLOC (0x2)
# CHECK-NEXT: ]
# CHECK-NEXT: Address: [[VERSYM:.*]]
# CHECK-NEXT: Offset: [[VERSYM_OFFSET:.*]]
# CHECK-NEXT: Size: 8
# CHECK-NEXT: Link: 1
# CHECK-NEXT: Info: 0
# CHECK-NEXT: AddressAlignment: 2
# CHECK-NEXT: EntrySize: 2
# CHECK: Section {
# CHECK-NEXT: Index: 3
# CHECK-NEXT: Name: .gnu.version_r
# CHECK-NEXT: Type: SHT_GNU_verneed (0x6FFFFFFE)
# CHECK-NEXT: Flags [ (0x2)
# CHECK-NEXT: SHF_ALLOC (0x2)
# CHECK-NEXT: ]
# CHECK-NEXT: Address: [[VERNEED:.*]]
# CHECK-NEXT: Offset: 0x268
# CHECK-NEXT: Size: 80
# CHECK-NEXT: Link: 5
# CHECK-NEXT: Info: 2
# CHECK-NEXT: AddressAlignment: 4
# CHECK-NEXT: EntrySize: 0
# CHECK: Index: [[DYNSTR]]
# CHECK-NEXT: Name: .dynstr
# CHECK-NEXT: Type: SHT_STRTAB (0x3)
# CHECK-NEXT: Flags [ (0x2)
# CHECK-NEXT: SHF_ALLOC (0x2)
# CHECK-NEXT: ]
# CHECK-NEXT: Address: 0x2002E0
# CHECK-NEXT: Offset: 0x2E0
# CHECK-NEXT: Size: 47
# CHECK-NEXT: Link: 0
# CHECK-NEXT: Info: 0
# CHECK-NEXT: AddressAlignment: 1
# CHECK-NEXT: EntrySize: 0
# CHECK-NEXT: SectionData (
# CHECK-NEXT: 0000: 00663100 66320067 31007665 726E6565 |.f1.f2.g1.vernee|
# CHECK-NEXT: 0010: 64312E73 6F2E3000 76320076 33007665 |d1.so.0.v2.v3.ve|
# CHECK-NEXT: 0020: 726E6565 64322E73 6F2E3000 763100 |rneed2.so.0.v1.|
# CHECK-NEXT: )
# CHECK-NEXT: }
# CHECK: DynamicSymbols [
# CHECK-NEXT: Symbol {
# CHECK-NEXT: Name:
# CHECK-NEXT: Value: 0x0
# CHECK-NEXT: Size: 0
# CHECK-NEXT: Binding: Local (0x0)
# CHECK-NEXT: Type: None (0x0)
# CHECK-NEXT: Other: 0
# CHECK-NEXT: Section: Undefined (0x0)
# CHECK-NEXT: }
# CHECK-NEXT: Symbol {
# CHECK-NEXT: Name: f1@v3
# CHECK-NEXT: Value: 0x0
# CHECK-NEXT: Size: 0
# CHECK-NEXT: Binding: Global (0x1)
# CHECK-NEXT: Type: None (0x0)
# CHECK-NEXT: Other: 0
# CHECK-NEXT: Section: Undefined (0x0)
# CHECK-NEXT: }
# CHECK-NEXT: Symbol {
# CHECK-NEXT: Name: f2@v2
# CHECK-NEXT: Value: 0x0
# CHECK-NEXT: Size: 0
# CHECK-NEXT: Binding: Global (0x1)
# CHECK-NEXT: Type: None (0x0)
# CHECK-NEXT: Other: 0
# CHECK-NEXT: Section: Undefined (0x0)
# CHECK-NEXT: }
# CHECK-NEXT: Symbol {
# CHECK-NEXT: Name: g1@v1
# CHECK-NEXT: Value: 0x0
# CHECK-NEXT: Size: 0
# CHECK-NEXT: Binding: Global (0x1)
# CHECK-NEXT: Type: None (0x0)
# CHECK-NEXT: Other: 0
# CHECK-NEXT: Section: Undefined (0x0)
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK: 0x000000006FFFFFF0 VERSYM [[VERSYM]]
# CHECK-NEXT: 0x000000006FFFFFFE VERNEED [[VERNEED]]
# CHECK-NEXT: 0x000000006FFFFFFF VERNEEDNUM 2
# CHECK: VersionSymbols [
# CHECK-NEXT: Symbol {
# CHECK-NEXT: Version: 0
# CHECK-NEXT: Name:
# CHECK-NEXT: }
# CHECK-NEXT: Symbol {
# CHECK-NEXT: Version: 2
# CHECK-NEXT: Name: f1@v3
# CHECK-NEXT: }
# CHECK-NEXT: Symbol {
# CHECK-NEXT: Version: 3
# CHECK-NEXT: Name: f2@v2
# CHECK-NEXT: }
# CHECK-NEXT: Symbol {
# CHECK-NEXT: Version: 4
# CHECK-NEXT: Name: g1@v1
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK-NEXT: VersionDefinitions [
# CHECK-NEXT: ]
# CHECK-NEXT: VersionRequirements [
# CHECK-NEXT: Dependency {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Count: 2
# CHECK-NEXT: FileName: verneed1.so.0
# CHECK-NEXT: Entries [
# CHECK-NEXT: Entry {
# CHECK-NEXT: Hash: 1938
# CHECK-NEXT: Flags [ (0x0)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 3
# CHECK-NEXT: Name: v2
# CHECK-NEXT: }
# CHECK-NEXT: Entry {
# CHECK-NEXT: Hash: 1939
# CHECK-NEXT: Flags [ (0x0)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 2
# CHECK-NEXT: Name: v3
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: Dependency {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Count: 1
# CHECK-NEXT: FileName: verneed2.so.0
# CHECK-NEXT: Entries [
# CHECK-NEXT: Entry {
# CHECK-NEXT: Hash: 1937
# CHECK-NEXT: Flags [ (0x0)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 4
# CHECK-NEXT: Name: v1
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: ]
.globl _start
_start:
call f1@plt
call f2@plt
call g1@plt