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
|
## Check how yaml2obj produces SHT_GNU_HASH sections.
## Check we can describe a SHT_GNU_HASH section using the "Content" tag.
## Check we set sh_link to index of the .dynsym by default.
# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: llvm-readobj --sections --section-data %t1 | FileCheck %s --check-prefix=CONTENT
# CONTENT: Name: .gnu.hash
# CONTENT-NEXT: Type: SHT_GNU_HASH
# CONTENT-NEXT: Flags [
# CONTENT-NEXT: ]
# CONTENT-NEXT: Address: 0x0
# CONTENT-NEXT: Offset: 0x40
# CONTENT-NEXT: Size: 3
# CONTENT-NEXT: Link: 2
# CONTENT-NEXT: Info: 0
# CONTENT-NEXT: AddressAlignment: 0
# CONTENT-NEXT: EntrySize: 0
# CONTENT-NEXT: SectionData (
# CONTENT-NEXT: 0000: 001122 |
# CONTENT-NEXT: )
# CONTENT: Index: 2
# CONTENT-NEXT: Name: .dynsym (9)
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Content: "001122"
## Used to trigger .dynsym creation.
DynamicSymbols: []
## Check we can use "Header", "BloomFilter", "HashBuckets" and "HashValues" keys to describe
## the hash section. Check we can set sh_link to any arbitrary value. Check both ELFCLASS32 and 64 bit output.
# RUN: yaml2obj --docnum=2 %s -o %t2
# RUN: yaml2obj --docnum=3 %s -o %t3
# RUN: llvm-readobj --sections --section-data %t2 | FileCheck %s --check-prefix=CONTENT32
# RUN: llvm-readobj --sections --section-data %t3 | FileCheck %s --check-prefix=CONTENT64
# CONTENT32: Name: .gnu.hash
# CONTENT32-NEXT: Type: SHT_GNU_HASH
# CONTENT32-NEXT: Flags [
# CONTENT32-NEXT: SHF_ALLOC
# CONTENT32-NEXT: ]
# CONTENT32-NEXT: Address: 0x0
# CONTENT32-NEXT: Offset: 0x34
# CONTENT32-NEXT: Size: 52
# CONTENT32-NEXT: Link: 254
# CONTENT32-NEXT: Info: 0
# CONTENT32-NEXT: AddressAlignment: 0
# CONTENT32-NEXT: EntrySize: 0
# CONTENT32-NEXT: SectionData (
# CONTENT32-NEXT: 0000: 03000000 01000000 02000000 02000000 |
# CONTENT32-NEXT: 0010: 03000000 04000000 05000000 06000000 |
# CONTENT32-NEXT: 0020: 07000000 08000000 09000000 0A000000 |
# CONTENT32-NEXT: 0030: 0B000000 |
# CONTENT32-NEXT: )
# CONTENT64: Name: .gnu.hash
# CONTENT64-NEXT: Type: SHT_GNU_HASH
# CONTENT64-NEXT: Flags [
# CONTENT64-NEXT: SHF_ALLOC
# CONTENT64-NEXT: ]
# CONTENT64-NEXT: Address: 0x0
# CONTENT64-NEXT: Offset: 0x40
# CONTENT64-NEXT: Size: 60
# CONTENT64-NEXT: Link: 254
# CONTENT64-NEXT: Info: 0
# CONTENT64-NEXT: AddressAlignment: 0
# CONTENT64-NEXT: EntrySize: 0
# CONTENT64-NEXT: SectionData (
# CONTENT64-NEXT: 0000: 03000000 01000000 02000000 02000000 |
# CONTENT64-NEXT: 0010: 03000000 00000000 04000000 00000000 |
# CONTENT64-NEXT: 0020: 05000000 06000000 07000000 08000000 |
# CONTENT64-NEXT: 0030: 09000000 0A000000 0B000000 |
# CONTENT64-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Flags: [ SHF_ALLOC ]
Header:
SymNdx: 0x1
Shift2: 0x2
BloomFilter: [0x3, 0x4]
HashBuckets: [0x5, 0x6, 0x7]
HashValues: [0x8, 0x9, 0xA, 0xB]
Link: 0xFE
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Flags: [ SHF_ALLOC ]
Header:
SymNdx: 0x1
Shift2: 0x2
BloomFilter: [0x3, 0x4]
HashBuckets: [0x5, 0x6, 0x7]
HashValues: [0x8, 0x9, 0xA, 0xB]
Link: 0xFE
## Check we only can use "Header", "BloomFilter", "HashBuckets" and "HashValues" together.
# RUN: not yaml2obj --docnum=4 %s -o %t4 2>&1 | FileCheck %s --check-prefix=ERR
# RUN: not yaml2obj --docnum=5 %s -o %t5 2>&1 | FileCheck %s --check-prefix=ERR
# RUN: not yaml2obj --docnum=6 %s -o %t6 2>&1 | FileCheck %s --check-prefix=ERR
# RUN: not yaml2obj --docnum=7 %s -o %t7 2>&1 | FileCheck %s --check-prefix=ERR
# ERR: error: "Header", "BloomFilter", "HashBuckets" and "HashValues" must be used together
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash.no.header
Type: SHT_GNU_HASH
BloomFilter: []
HashBuckets: []
HashValues: []
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash.no.bloomfilter
Type: SHT_GNU_HASH
Header:
SymNdx: 0x0
Shift2: 0x0
HashBuckets: []
HashValues: []
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash.no.nobuckets
Type: SHT_GNU_HASH
Header:
SymNdx: 0x0
Shift2: 0x0
BloomFilter: []
HashValues: []
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash.no.novalues
Type: SHT_GNU_HASH
Header:
SymNdx: 0x0
Shift2: 0x0
BloomFilter: []
HashBuckets: []
## Check that "SymNdx" and "Shift2" fields are mandatory when we specify the "Header".
# RUN: not yaml2obj --docnum=8 %s -o %t8 2>&1 | FileCheck %s --check-prefix=ERR2
# ERR2: error: missing required key 'SymNdx'
# RUN: not yaml2obj --docnum=9 %s -o %t9 2>&1 | FileCheck %s --check-prefix=ERR3
# ERR3: error: missing required key 'Shift2'
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Header:
Shift2: 0x0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Header:
SymNdx: 0x0
## Check we emit an empty section if neither "Content", "Header",
## "BloomFilter", "HashBuckets" nor "HashBuckets" were set.
# NOKEYS: Section Headers:
# NOKEYS: [Nr] Name Type Address Off Size
# NOKEYS: [ 1] .gnu.hash GNU_HASH 0000000000000000 000040 000000
# RUN: yaml2obj --docnum=10 %s -o %t10
# RUN: llvm-readelf --sections %t10 | FileCheck %s --check-prefix=NOKEYS
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
## Test that "Header", "BloomFilter", "HashBuckets" and "HashValues" can't be used together with the "Content" or "Size"
# RUN: not yaml2obj --docnum=11 -DCONTENT="" %s 2>&1 | FileCheck %s --check-prefix=TOGETHER
# RUN: not yaml2obj --docnum=11 -DSIZE=0 %s 2>&1 | FileCheck %s --check-prefix=TOGETHER
# TOGETHER: error: "Header", "BloomFilter", "HashBuckets" and "HashValues" cannot be used with "Content" or "Size"
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Content: [[CONTENT=<none>]]
Size: [[SIZE=<none>]]
Header:
SymNdx: 0x0
Shift2: 0x0
BloomFilter: []
HashBuckets: []
HashValues: []
## Test we can override the number of buckets and the number of words in the Bloom filter
## using the "NBuckets" and "Shift2" keys.
# RUN: yaml2obj --docnum=12 %s -o %t12
# RUN: llvm-readobj --sections --section-data %t12 | FileCheck %s --check-prefix=OVERRIDE-CONTENT
# OVERRIDE-CONTENT: Name: .gnu.hash
# OVERRIDE-CONTENT: SectionData (
# OVERRIDE-CONTENT-NEXT: 0000: 01000000 02000000 03000000 04000000 |
# OVERRIDE-CONTENT-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .gnu.hash
Type: SHT_GNU_HASH
Header:
NBuckets: 0x1
SymNdx: 0x2
MaskWords: 0x3
Shift2: 0x4
BloomFilter: []
HashBuckets: []
HashValues: []
## 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=13 -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.hash
Type: SHT_GNU_HASH
Size: [[SIZE=<none>]]
Content: [[CONTENT=<none>]]
# RUN: yaml2obj --docnum=13 -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=13 -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.hash
# 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=13 -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=13 -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"
|
