aboutsummaryrefslogtreecommitdiff
path: root/llvm/test/tools/llvm-objdump/ELF/relocations.test
blob: dcac50e953340116544639d2dd51d6f1b0d0e2db (plain)
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
# RUN: yaml2obj --docnum=1 %s -o %t
# RUN: llvm-objdump --reloc %t > %t1
# RUN: llvm-objdump -r      %t > %t2
# RUN: cmp %t1 %t2
# RUN: FileCheck %s --input-file=%t1 --strict-whitespace --match-full-lines

#      CHECK:RELOCATION RECORDS FOR [.text]:
# CHECK-NEXT:OFFSET           TYPE                     VALUE
# CHECK-NEXT:0000000000000001 R_X86_64_32              glob1
# CHECK-NEXT:0000000000000001 R_X86_64_32S             glob2
# CHECK-NEXT:0000000000000002 R_X86_64_64              loc1
# CHECK-NEXT:0000000000000001 R_X86_64_32              glob1+0x1
# CHECK-NEXT:0000000000000001 R_X86_64_32S             glob2+0x2
# CHECK-NEXT:0000000000000002 R_X86_64_64              loc1+0x3

--- !ELF
FileHeader: !FileHeader
  Class: ELFCLASS64
  Data: ELFDATA2LSB
  Type: ET_REL
  Machine: EM_X86_64

Sections:
- Name: .text
  Type: SHT_PROGBITS
  Content: "0000000000000000"
  AddressAlign: 16
  Flags: [SHF_ALLOC]

- Name: .rel.text
  Type: SHT_REL
  Info: .text
  AddressAlign: 4
  Relocations:
    - Offset: 0x1
      Symbol: glob1
      Type: R_X86_64_32
    - Offset: 0x1
      Symbol: glob2
      Type: R_X86_64_32S
    - Offset: 0x2
      Symbol: loc1
      Type: R_X86_64_64

- Name: .rela.text
  Type: SHT_RELA
  Link: .symtab
  Info: .text
  AddressAlign: 4
  Relocations:
    - Offset: 0x1
      Addend: 1
      Symbol: glob1
      Type: R_X86_64_32
    - Offset: 0x1
      Addend: 2
      Symbol: glob2
      Type: R_X86_64_32S
    - Offset: 0x2
      Addend: 3
      Symbol: loc1
      Type: R_X86_64_64

Symbols:
  - Name: loc1
  - Name: loc2
  - Name:    glob1
    Section: .text
    Value:   0x0
    Size:    4
    Binding: STB_GLOBAL
  - Name:    glob2
    Binding: STB_GLOBAL

## Check we report an error if the relocated section identified by the
## sh_info field of a relocation section is invalid.
# RUN: yaml2obj --docnum=2 %s -o %t2
# RUN: not llvm-objdump --reloc %t2 2>&1 | FileCheck %s -DFILE=%t2 --check-prefix=ERR
# ERR: error: '[[FILE]]': section (1): unable to get a relocation target: invalid section index: 255

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data: ELFDATA2LSB
  Type: ET_REL
  Machine: EM_X86_64
Sections:
- Name: .rela.foo
  Type: SHT_RELA
  Info: 0xFF
  Relocations:
    - Offset: 0x1
      Type: R_X86_64_NONE

## Check ranges of addends being displayed in a dump of relocations.
# RUN: yaml2obj --docnum=3 %s -o %t3
# RUN: llvm-objdump -r %t3 | FileCheck %s --check-prefix=ADDENDS

# ADDENDS: RELOCATION RECORDS FOR [.text]:
# ADDENDS: R_X86_64_64 glob-0x8000000000000000
# ADDENDS: R_X86_64_64 glob+0x7fffffffffffffff
# ADDENDS: R_X86_64_64 glob-0x1
# ADDENDS: R_X86_64_64 glob+0x12345678
# ADDENDS: R_X86_64_64 glob{{$}}

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_X86_64
Sections:
- Name:  .text
  Type:  SHT_PROGBITS
  Size:  8
  Flags: [SHF_EXECINSTR,SHF_ALLOC]
- Name: .rela.text
  Type: SHT_RELA
  Info: .text
  Relocations:
    - Offset: 0x0
      Addend: -9223372036854775808
      Symbol: glob
      Type:   R_X86_64_64
    - Offset: 0x1
      Symbol: glob
      Type:   R_X86_64_64
      Addend: 9223372036854775807
    - Offset: 0x2
      Symbol: glob
      Type:   R_X86_64_64
      Addend: -1
    - Offset: 0x3
      Symbol: glob
      Type:   R_X86_64_64
      Addend: 0x12345678
    - Offset: 0x4
      Symbol: glob
      Type:   R_X86_64_64
      Addend: 0
Symbols:
  - Name:    glob
    Section: .text
    Value:   0x0
    Size:    0
    Binding: STB_GLOBAL

## Check relocation formatting on 32 bit as well to verify the formatting is correct.
# RUN: yaml2obj --docnum=4 %s > %t4
# RUN: llvm-objdump -r %t4 | FileCheck %s --check-prefix=ELF32 --strict-whitespace --match-full-lines

#      ELF32:RELOCATION RECORDS FOR [.text]:
# ELF32-NEXT:OFFSET   TYPE                     VALUE
# ELF32-NEXT:00000001 R_386_32                 global
# ELF32-NEXT:00000002 R_386_PC32               local
# ELF32-NEXT:00000001 R_386_NONE               global+0x1
# ELF32-NEXT:00000002 R_386_NONE               local+0x2

--- !ELF
FileHeader:
  Class:   ELFCLASS32
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_386
Sections:
- Name: .text
  Type: SHT_PROGBITS
- Name: .rel.text
  Type: SHT_REL
  Info: .text
  Relocations:
    - Offset: 0x1
      Symbol: global
      Type:   R_386_32
    - Offset: 0x2
      Symbol: local
      Type:   R_386_PC32
- Name: .rela.text
  Type: SHT_RELA
  Info: .text
  Relocations:
    - Offset: 0x1
      Addend: 1
      Symbol: global
      Type:   R_386_NONE
    - Offset: 0x2
      Addend: 2
      Symbol: local
      Type:   R_386_NONE
Symbols:
  - Name:    local
  - Name:    global
    Binding: STB_GLOBAL