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
| ## Checks that the tool is able to read section groups from ELF.
# RUN: yaml2obj --docnum=1 %s > %t1.o
# RUN: llvm-readobj --elf-section-groups %t1.o | FileCheck %s -check-prefix=OBJ
# RUN: obj2yaml %t1.o | FileCheck %s --check-prefix YAML
# OBJ: Groups {
# OBJ-NEXT: Group {
# OBJ-NEXT: Name: .group
# OBJ-NEXT: Index: 1
# OBJ-NEXT: Link: 3
# OBJ-NEXT: Info: 1
# OBJ-NEXT: Type: COMDAT (0x1)
# OBJ-NEXT: Signature: signature
# OBJ-NEXT: Section(s) in group [
# OBJ-NEXT: .rodata (2)
# OBJ-NEXT: ]
# OBJ-NEXT: }
# OBJ-NEXT: }
# YAML: - Name: .group
# YAML: Type: SHT_GROUP
# YAML: Link: .symtab
# YAML: Info: signature
# YAML: Members:
# YAML: - SectionOrType: GRP_COMDAT
# YAML: - SectionOrType: .rodata
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: .group
Type: SHT_GROUP
Link: .symtab
Info: signature
Members:
- SectionOrType: GRP_COMDAT
- SectionOrType: .rodata
- Name: .rodata
Type: SHT_PROGBITS
Symbols:
- Name: signature
Type: STT_OBJECT
Section: .rodata
## Check obj2yaml report an error when sh_info field of
## group section contains invalid (too large) signature symbol index.
# RUN: yaml2obj --docnum=2 %s > %t2.o
# RUN: not obj2yaml %t2.o 2>&1 | FileCheck %s --check-prefix ERR
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: .group
Type: SHT_GROUP
Link: .symtab
Info: 0xFF
Members:
- SectionOrType: GRP_COMDAT
Symbols: []
# ERR: Error reading file: {{.*}}2.o: unable to get symbol from section [index 2]: invalid symbol index (255)
|