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
| ## Check that obj2yaml is able to dump a normal object which
## contains the SHT_SYMTAB_SHNDX section and symbols with
## section index == SHN_XINDEX.
# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: obj2yaml %t1 | FileCheck %s --check-prefix=CASE1
# CASE1: --- !ELF
# CASE1-NEXT: FileHeader:
# CASE1-NEXT: Class: ELFCLASS64
# CASE1-NEXT: Data: ELFDATA2LSB
# CASE1-NEXT: Type: ET_REL
# CASE1-NEXT: Machine: EM_X86_64
# CASE1-NEXT: Sections:
# CASE1-NEXT: - Name: bar
# CASE1-NEXT: Type: SHT_PROGBITS
# CASE1-NEXT: - Name: .symtab_shndx
# CASE1-NEXT: Type: SHT_SYMTAB_SHNDX
# CASE1-NEXT: Link: .symtab
# CASE1-NEXT: EntSize: 0x0000000000000004
# CASE1-NEXT: Entries: [ 0, 1, 2 ]
# CASE1-NEXT: Symbols:
# CASE1-NEXT: - Name: bar
# CASE1-NEXT: Type: STT_SECTION
# CASE1-NEXT: Index: SHN_XINDEX
# CASE1-NEXT: - Name: .symtab_shndx
# CASE1-NEXT: Type: STT_SECTION
# CASE1-NEXT: Index: SHN_XINDEX
# CASE1-NEXT: ...
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: bar
Type: SHT_PROGBITS
- Name: .symtab_shndx
Type: SHT_SYMTAB_SHNDX
Entries: [ 0, 1, 2 ]
Link: .symtab
Symbols:
- Type: STT_SECTION
Index: SHN_XINDEX
- Type: STT_SECTION
Index: SHN_XINDEX
## Check that yaml2obj is unable to dump an object, which has
## symbols with section index == SHN_XINDEX, but no SHT_SYMTAB_SHNDX section.
# RUN: yaml2obj --docnum=2 %s -o %t2
# RUN: not obj2yaml %t2 2>&1 | FileCheck %s -DFILE=%t2 --check-prefix=CASE2
# CASE2: Error reading file: [[FILE]]: extended symbol index (1) is past the end of the SHT_SYMTAB_SHNDX section of size 0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Symbols:
- Type: STT_SECTION
Index: SHN_XINDEX
## Check that yaml2obj is unable to dump an object, which has symbols with
## section index == SHN_XINDEX, but SHT_SYMTAB_SHNDX table contains invalid indices
## that are larger than total number of the sections.
# RUN: yaml2obj --docnum=3 %s -o %t3
# RUN: not obj2yaml %t3 2>&1 | FileCheck %s -DFILE=%t3 --check-prefix=CASE3
# CASE3: Error reading file: [[FILE]]: invalid section index: 254
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: bar
Type: SHT_PROGBITS
- Name: .symtab_shndx
Type: SHT_SYMTAB_SHNDX
Entries: [ 0, 254 ]
Link: .symtab
Symbols:
- Type: STT_SECTION
Index: SHN_XINDEX
## Check that yaml2obj is unable to dump an object, which has symbols with
## section index == SHN_XINDEX, but SHT_SYMTAB_SHNDX table contains more
## entries than the number of symbols in .symtab.
# RUN: yaml2obj --docnum=4 %s -o %t4
# RUN: not obj2yaml %t4 2>&1 | FileCheck %s -DFILE=%t4 --check-prefix=CASE4
## CASE4: Error reading file: [[FILE]]: SHT_SYMTAB_SHNDX has 3 entries, but the symbol table associated has 2
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: bar
Type: SHT_PROGBITS
- Name: .symtab_shndx
Type: SHT_SYMTAB_SHNDX
Entries: [ 0, 1, 2 ]
Link: .symtab
Symbols:
- Type: STT_SECTION
Index: SHN_XINDEX
## ELF gABI allows having multiple SHT_SYMTAB_SHNDX sections.
## We only support having one associated with .symtab now.
# RUN: yaml2obj --docnum=5 %s -o %t5
# RUN: not obj2yaml %t5 2>&1 | FileCheck %s -DFILE=%t5 --check-prefix=CASE5
# CASE5: Error reading file: [[FILE]]: multiple SHT_SYMTAB_SHNDX sections are not supported
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: .symtab_shndx1
Type: SHT_SYMTAB_SHNDX
Entries: [ 0 ]
EntSize: 4
Link: .symtab
- Name: .symtab_shndx2
Type: SHT_SYMTAB_SHNDX
Entries: [ 0 ]
Link: .symtab
Symbols: []
## Check that yaml2obj can't dump the object if SHT_SYMTAB_SHNDX is
## not associated with a SHT_SYMTAB section (this case is illegal).
# RUN: yaml2obj --docnum=6 %s -o %t6
# RUN: not obj2yaml %t6 2>&1 | FileCheck %s -DFILE=%t6 --check-prefix=CASE6
# CASE6: Error reading file: [[FILE]]: SHT_SYMTAB_SHNDX section is linked with SHT_PROGBITS section (expected SHT_SYMTAB/SHT_DYNSYM)
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: .symtab_shndx
Type: SHT_SYMTAB_SHNDX
Entries: [ 0 ]
Link: .foo
- Name: .foo
Type: SHT_PROGBITS
## Check that yaml2obj can't dump the object if SHT_SYMTAB_SHNDX is
## associated with a SHT_DYNSYM section (not implemented yet).
# RUN: yaml2obj --docnum=7 %s -o %t7
# RUN: not obj2yaml %t7 2>&1 | FileCheck %s -DFILE=%t7 --check-prefix=CASE7
# CASE7: Error reading file: [[FILE]]: only SHT_SYMTAB_SHNDX associated with SHT_SYMTAB are supported
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: .symtab_shndx
Type: SHT_SYMTAB_SHNDX
Entries: [ 0, 1 ]
Link: .dynsym
DynamicSymbols:
- Type: STT_SECTION
Index: SHN_XINDEX
|