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
|
## Check we are able to dump SHT_GNU_verneed sections properly.
## Check that we link the SHT_GNU_verneed section to
## the `.dynstr` section by default.
## Check that we set the value of `sh_info` field to the number
## of version dependencies by default.
# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: llvm-readobj -V %t1 | FileCheck %s
# RUN: llvm-readelf --sections %t1 | \
# RUN: FileCheck %s -DLINK=3 -DINFO=2 --check-prefix=FIELDS
# FIELDS: [Nr] Name Type {{.*}} Flg Lk Inf Al
# FIELDS: [ 1] .gnu.version_r VERNEED {{.*}} A [[LINK]] [[INFO]] 4
# FIELDS: [ 3] .dynstr
# CHECK: VersionRequirements [
# CHECK-NEXT: Dependency {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Count: 2
# CHECK-NEXT: FileName: dso.so.0
# CHECK-NEXT: Entries [
# CHECK-NEXT: Entry {
# CHECK-NEXT: Hash: 1937
# CHECK-NEXT: Flags [ (0xA)
# CHECK-NEXT: Weak (0x2)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 3
# CHECK-NEXT: Name: v1
# CHECK-NEXT: }
# CHECK-NEXT: Entry {
# CHECK-NEXT: Hash: 1938
# CHECK-NEXT: Flags [ (0xB)
# CHECK-NEXT: Base (0x1)
# CHECK-NEXT: Weak (0x2)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 4
# CHECK-NEXT: Name: v2
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: Dependency {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Count: 1
# CHECK-NEXT: FileName: dso.so.1
# CHECK-NEXT: Entries [
# CHECK-NEXT: Entry {
# CHECK-NEXT: Hash: 1939
# CHECK-NEXT: Flags [ (0xC)
# CHECK-NEXT: Info (0x4)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 2
# CHECK-NEXT: Name: v3
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK-NEXT: }
# CHECK-NEXT: ]
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Entry: 0x0000000000201000
Sections:
- Name: .gnu.version_r
Type: SHT_GNU_verneed
Flags: [ SHF_ALLOC ]
Address: 0x0000000000200250
AddressAlign: 0x0000000000000004
Info: [[INFO=<none>]]
Link: [[LINK=<none>]]
Dependencies:
- Version: 1
File: dso.so.0
Entries:
- Name: v1
Hash: 1937
Flags: 10
Other: 3
- Name: v2
Hash: 1938
Flags: 11
Other: 4
- Version: 1
File: dso.so.1
Entries:
- Name: v3
Hash: 1939
Flags: 12
Other: 2
DynamicSymbols:
- Name: f1
Binding: STB_GLOBAL
## Check that we are able to set sh_info and sh_link fields to arbitrary values.
# RUN: yaml2obj --docnum=1 -DINFO=123 -DLINK=234 %s -o %t1.fields
# RUN: llvm-readelf --sections %t1.fields | \
# RUN: FileCheck %s -DINFO=123 -DLINK=234 --check-prefix=FIELDS
## Check we can omit "Content", "Size" and "Dependencies" fields to
## produce an empty SHT_GNU_verneed section.
## Check we set the sh_link field to 0 when there is no .dynstr section.
# RUN: yaml2obj --docnum=2 %s -o %t3
# RUN: llvm-readelf --sections %t3 | FileCheck %s --check-prefix=NO-PROPS
# NO-PROPS: [Nr] Name Type Address Off Size ES Flg Lk Inf
# NO-PROPS: [ 1] .gnu.version_r VERNEED 0000000000000000 000040 000000 00 A 0 0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Sections:
- Name: .gnu.version_r
Type: SHT_GNU_verneed
Flags: [ SHF_ALLOC ]
Size: [[SIZE=<none>]]
Content: [[CONTENT=<none>]]
Dependencies: [[DEPS=<none>]]
## Check we can use the "Content" key with the "Size" key when the size is greater
## than or equal to the content size.
# RUN: not yaml2obj --docnum=2 -DCONTENT="'00'" -DSIZE=0 %s 2>&1 | \
# RUN: FileCheck %s --check-prefix=CONTENT-SIZE-ERR
# CONTENT-SIZE-ERR: error: Section size must be greater than or equal to the content size
# RUN: yaml2obj --docnum=2 -DCONTENT="'00'" -DSIZE=1 %s -o %t.cont.size.eq.o
# RUN: llvm-readobj --sections --section-data %t.cont.size.eq.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="00"
# RUN: yaml2obj --docnum=2 -DCONTENT="'00'" -DSIZE=2 %s -o %t.cont.size.gr.o
# RUN: llvm-readobj --sections --section-data %t.cont.size.gr.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="0000"
# CHECK-CONTENT: Name: .gnu.version_r
# CHECK-CONTENT: SectionData (
# CHECK-CONTENT-NEXT: 0000: [[DATA]] |
# CHECK-CONTENT-NEXT: )
## Check we can use the "Size" key alone to create the section.
# RUN: yaml2obj --docnum=2 -DSIZE=3 %s -o %t.size.o
# RUN: llvm-readobj --sections --section-data %t.size.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="000000"
## Check we can use the "Content" key alone to create the section.
# RUN: yaml2obj --docnum=2 -DCONTENT="'112233'" %s -o %t.content.o
# RUN: llvm-readobj --sections --section-data %t.content.o | \
# RUN: FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="112233"
## Check we can't use the "Dependencies" key together with the "Content" or "Size" keys.
# RUN: not yaml2obj --docnum=2 -DSIZE=0 -DDEPS="[]" %s 2>&1 | \
# RUN: FileCheck %s --check-prefix=DEPS-ERR
# RUN: not yaml2obj --docnum=2 -DCONTENT="'00'" -DDEPS="[]" %s 2>&1 | \
# RUN: FileCheck %s --check-prefix=DEPS-ERR
# DEPS-ERR: error: "Dependencies" cannot be used with "Content" or "Size"
## Check we set the sh_link field to 0 when the .dynstr section is excluded
## from the section header table.
# RUN: yaml2obj --docnum=3 %s -o %t3
# RUN: llvm-readelf --sections %t3 | FileCheck %s --check-prefix=EXCLUDED
# EXCLUDED: [Nr] Name {{.*}} ES Flg Lk Inf
# EXCLUDED: [ 1] .gnu.version_r {{.*}} 00 0 0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version_r
Type: SHT_GNU_verneed
- Name: .dynstr
Type: SHT_STRTAB
- Type: SectionHeaderTable
Sections:
- Name: .gnu.version_r
- Name: .strtab
- Name: .shstrtab
Excluded:
- Name: .dynstr
|
