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
|
## Test how we create SHT_GNU_verdef sections.
## Check that we link the SHT_GNU_verdef section to
## the `.dynstr` section by default.
## Check that we set the value of `sh_info` field to the
## number of version definitions 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=4 --check-prefix=FIELDS
# FIELDS: [Nr] Name Type {{.*}} Flg Lk Inf
# FIELDS: [ 1] .gnu.version_d VERDEF {{.*}} A [[LINK]] [[INFO]]
# FIELDS: [ 3] .dynstr
# CHECK: VersionDefinitions [
# CHECK-NEXT: Definition {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Flags [ (0x0)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 0
# CHECK-NEXT: Hash: 0
# CHECK-NEXT: Name:
# CHECK-NEXT: Predecessors: []
# CHECK-NEXT: }
# CHECK-NEXT: Definition {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Flags [ (0x1)
# CHECK-NEXT: Base (0x1)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 1
# CHECK-NEXT: Hash: 170240160
# CHECK-NEXT: Name: dso.so.0
# CHECK-NEXT: Predecessors: []
# CHECK-NEXT: }
# CHECK-NEXT: Definition {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Flags [ (0x2)
# CHECK-NEXT: Weak (0x2)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 2
# CHECK-NEXT: Hash: 108387921
# CHECK-NEXT: Name: VERSION_1
# CHECK-NEXT: Predecessors: []
# CHECK-NEXT: }
# CHECK-NEXT: Definition {
# CHECK-NEXT: Version: 1
# CHECK-NEXT: Flags [ (0xFFFF)
# CHECK-NEXT: Base (0x1)
# CHECK-NEXT: Info (0x4)
# CHECK-NEXT: Weak (0x2)
# CHECK-NEXT: ]
# CHECK-NEXT: Index: 3
# CHECK-NEXT: Hash: 108387922
# CHECK-NEXT: Name: VERSION_2
# CHECK-NEXT: Predecessors: [VERSION_3, VERSION_4]
# CHECK-NEXT: }
# CHECK-NEXT: ]
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Flags: [ SHF_ALLOC ]
Info: [[INFO=<none>]]
Link: [[LINK=<none>]]
Entries:
## Case 1: an entry that has no Version, Flags, VersionNdx or Hash fields set.
## Used to check values that are written by default. Also shows
## that we are able to use the "=<none>" syntax for these fields.
- Version: [[VERSION=<none>]]
Flags: [[FLAGS=<none>]]
VersionNdx: [[VERNDX=<none>]]
Hash: [[HASH=<none>]]
Names: []
## Case 2: an arbitrary entry.
- Flags: 1
VersionNdx: 1
Hash: 170240160
Names:
- dso.so.0
## Case 3: one more arbitrary entry with different values.
- Flags: 2
VersionNdx: 2
Hash: 108387921
Names:
- VERSION_1
## Case 4: an entry that has version predecessors. Also, it sets
## all known flags as well as few unknown.
- Flags: 0xffff
VersionNdx: 3
Hash: 108387922
Names:
- VERSION_2
- VERSION_3
- VERSION_4
DynamicSymbols:
- Name: foo
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 are able to emit a version definition which has a version revision
## (vd_version) field value that is not equal to 1.
# RUN: yaml2obj --docnum=1 -DVERSION=2 %s -o %t.version
# RUN: llvm-readobj -V %t.version 2>&1 | FileCheck %s --check-prefix=VERSION-ERR
# VERSION-ERR: unable to dump SHT_GNU_verdef section with index 1: version 2 is not yet supported
## Check we can use "Content" to describe the content.
## Check we set the sh_link field to 0 when there is no .dynstr section.
# RUN: yaml2obj --docnum=2 %s -o %t2
# RUN: llvm-readobj --sections --section-data %t2 | FileCheck %s --check-prefix=CONTENT
# CONTENT: Name: .gnu.version_d
# CONTENT-NEXT: Type: SHT_GNU_verdef
# CONTENT-NEXT: Flags [ (0x2)
# CONTENT-NEXT: SHF_ALLOC (0x2)
# CONTENT-NEXT: ]
# CONTENT-NEXT: Address: 0x0
# CONTENT-NEXT: Offset: 0x40
# CONTENT-NEXT: Size: 3
# CONTENT-NEXT: Link: 0
# CONTENT-NEXT: Info: 0
# CONTENT-NEXT: AddressAlignment:
# CONTENT-NEXT: EntrySize:
# CONTENT-NEXT: SectionData (
# CONTENT-NEXT: 0000: 112233
# CONTENT-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Flags: [ SHF_ALLOC ]
Content: "112233"
## Check we can omit "Content" and "Entries" fields to produce an empty SHT_GNU_verdef section.
# RUN: yaml2obj --docnum=3 %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 Al
# NO-PROPS: [ 1] .gnu.version_d VERDEF 0000000000000000 000040 000000 00 A 0 0 0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Flags: [ SHF_ALLOC ]
## 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=4 -DSIZE=1 -DCONTENT="'0011'" %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
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
Size: [[SIZE=<none>]]
Content: [[CONTENT=<none>]]
Entries: [[ENTRIES=<none>]]
# RUN: yaml2obj --docnum=4 -DSIZE=2 -DCONTENT="'0011'" %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="0011"
# RUN: yaml2obj --docnum=4 -DSIZE=3 -DCONTENT="'0011'" %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="001100"
# CHECK-CONTENT: Name: .gnu.version_d
# 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=4 -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=4 -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 "Entries" key together with the "Content" or "Size" keys.
# RUN: not yaml2obj --docnum=4 -DSIZE=0 -DENTRIES="[]" %s 2>&1 | \
# RUN: FileCheck %s --check-prefix=ENTRIES-ERR
# RUN: not yaml2obj --docnum=4 -DCONTENT="'00'" -DENTRIES="[]" %s 2>&1 | \
# RUN: FileCheck %s --check-prefix=ENTRIES-ERR
# ENTRIES-ERR: error: "Entries" 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=5 %s -o %t5
# RUN: llvm-readelf --sections %t5 | FileCheck %s --check-prefix=EXCLUDED
# EXCLUDED: [Nr] Name {{.*}} ES Flg Lk Inf
# EXCLUDED: [ 1] .gnu.version_d {{.*}} 00 0 0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.version_d
Type: SHT_GNU_verdef
- Name: .dynstr
Type: SHT_STRTAB
- Type: SectionHeaderTable
Sections:
- Name: .gnu.version_d
- Name: .strtab
- Name: .shstrtab
Excluded:
- Name: .dynstr
|
