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
|
## For regular sections, it is common to specify `Size` and/or `Content` fields in YAML.
## Here we test the behavior in different cases.
## In this case, we have both `Content` and `Size` fields specified and `Size`
## is less than content size. Check we report an error.
# RUN: not yaml2obj --docnum=1 %s -o %t1 2>&1 | FileCheck %s --check-prefix=ERR
# 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: .foo
Type: SHT_PROGBITS
Content: "FF"
Size: 0
## In this case, we have both `Content` and `Size` fields specified and
## `Size` is equal to the content size. We check that this is allowed and
## that the output section has a correct size value.
# RUN: yaml2obj --docnum=2 %s -o %t2
# RUN: llvm-readobj --section-data -S %t2 | FileCheck %s --check-prefix=CASE2
# CASE2: Name: .foo
# CASE2-NEXT: Type: SHT_PROGBITS
# CASE2-NEXT: Flags [
# CASE2-NEXT: ]
# CASE2-NEXT: Address: 0x0
# CASE2-NEXT: Offset: 0x40
# CASE2-NEXT: Size: 1
# CASE2-NEXT: Link: 0
# CASE2-NEXT: Info: 0
# CASE2-NEXT: AddressAlignment: 0
# CASE2-NEXT: EntrySize: 0
# CASE2-NEXT: SectionData (
# CASE2-NEXT: 0000: FF
# CASE2-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .foo
Type: SHT_PROGBITS
Content: "FF"
Size: 1
## Check we can specify only `Content`.
# RUN: yaml2obj --docnum=3 %s -o %t3
# RUN: llvm-readobj --section-data -S %t3 | FileCheck %s --check-prefix=CASE2
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .foo
Type: SHT_PROGBITS
Content: "FF"
## Check we can specify only `Size`.
# RUN: yaml2obj --docnum=4 %s -o %t4
# RUN: llvm-readobj --section-data -S %t4 | FileCheck %s --check-prefix=CASE3
# CASE3: Name: .foo
# CASE3-NEXT: Type: SHT_PROGBITS
# CASE3-NEXT: Flags [
# CASE3-NEXT: ]
# CASE3-NEXT: Address: 0x0
# CASE3-NEXT: Offset: 0x40
# CASE3-NEXT: Size: 1
# CASE3-NEXT: Link: 0
# CASE3-NEXT: Info: 0
# CASE3-NEXT: AddressAlignment: 0
# CASE3-NEXT: EntrySize: 0
# CASE3-NEXT: SectionData (
# CASE3-NEXT: 0000: 00
# CASE3-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .foo
Type: SHT_PROGBITS
Size: 1
## Check we can specify both `Size` and `Content` when size is greater
## than content size. In this case zeroes are added as padding
## after the specified content.
# RUN: yaml2obj --docnum=5 %s -o %t5
# RUN: llvm-readobj --section-data -S %t5 | FileCheck %s --check-prefix=CASE4
# CASE4: Name: .foo
# CASE4-NEXT: Type: SHT_PROGBITS
# CASE4-NEXT: Flags [
# CASE4-NEXT: ]
# CASE4-NEXT: Address: 0x0
# CASE4-NEXT: Offset: 0x40
# CASE4-NEXT: Size: 3
# CASE4-NEXT: Link: 0
# CASE4-NEXT: Info: 0
# CASE4-NEXT: AddressAlignment: 0
# CASE4-NEXT: EntrySize: 0
# CASE4-NEXT: SectionData (
# CASE4-NEXT: 0000: FF0000
# CASE4-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .foo
Type: SHT_PROGBITS
Content: "FF"
Size: 3
## Check we emit an empty section if neither 'Content' nor 'Size' were set.
# RUN: yaml2obj --docnum=6 %s -o %t6
# RUN: llvm-readobj %t6 --sections | FileCheck %s --check-prefix=CASE5
# CASE5: Name: .foo
# CASE5-NEXT: Type: SHT_PROGBITS
# CASE5-NEXT: Flags [
# CASE5-NEXT: ]
# CASE5-NEXT: Address: 0x0
# CASE5-NEXT: Offset: 0x40
# CASE5-NEXT: Size: 0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_DYN
Sections:
- Name: .foo
Type: SHT_PROGBITS
# RUN: not yaml2obj --docnum=7 %s 2>&1 | FileCheck %s --check-prefix=ERR2
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Sections:
- Name: .data
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC ]
Content: 0000000000000000
Size: 2
# ERR2: error: Section size must be greater than or equal to the content size
# ERR2-NEXT: - Name: .data
# ERR2-NEXT: ^
# ERR2-NEXT: error: failed to parse YAML input
|
