blob: 37c4ad538a426c867eded4ff95340172953c3602 (
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
|
## Show that llvm-readobj/llvm-readelf tools can dump the .dynamic section which
## is not alone in PT_DYNAMIC segment.
## In the first case .text is placed before .dynamic.
## We check that we warn about this case.
# RUN: yaml2obj --docnum=1 %s -o %t.o
# RUN: llvm-readobj --dynamic-table %t.o 2>&1 \
# RUN: | FileCheck %s --check-prefixes=WARNING,LLVM
# RUN: llvm-readelf --dynamic-table %t.o 2>&1 \
# RUN: | FileCheck %s --check-prefixes=WARNING,GNU
# WARNING: warning: The SHT_DYNAMIC section '.dynamic' is not at the start of PT_DYNAMIC segment
# LLVM: DynamicSection [ (2 entries)
# LLVM-NEXT: Tag Type Name/Value
# LLVM-NEXT: 0x0000000000000018 BIND_NOW 0x1
# LLVM-NEXT: 0x0000000000000000 NULL 0x0
# LLVM-NEXT: ]
# GNU: Dynamic section at offset 0x{{.*}} contains 2 entries:
# GNU-NEXT: Tag Type Name/Value
# GNU-NEXT: 0x0000000000000018 (BIND_NOW) 0x1
# GNU-NEXT: 0x0000000000000000 (NULL) 0x0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [SHF_ALLOC]
Address: 0x1000
AddressAlign: 0x100
Content: "00"
- Name: .dynamic
Type: SHT_DYNAMIC
Flags: [SHF_ALLOC]
Address: 0x1100
AddressAlign: 0x1000
Entries:
- Tag: DT_BIND_NOW
Value: 0x1
- Tag: DT_NULL
Value: 0x0
ProgramHeaders:
- Type: PT_LOAD
VAddr: 0x1000
Sections:
- Section: .text
- Section: .dynamic
- Type: PT_DYNAMIC
VAddr: 0x1000
Sections:
- Section: .text
- Section: .dynamic
## In the second case .text goes after .dynamic and we don't display any warnings.
# RUN: yaml2obj --docnum=2 %s -o %t.o
# RUN: llvm-readobj --dynamic-table %t.o | FileCheck %s --implicit-check-not="warning"
# RUN: llvm-readelf --dynamic-table %t.o | FileCheck %s --implicit-check-not="warning"
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .dynamic
Type: SHT_DYNAMIC
Flags: [SHF_ALLOC]
Address: 0x1000
AddressAlign: 0x1000
Entries:
- Tag: DT_BIND_NOW
Value: 0x1
- Tag: DT_NULL
Value: 0x0
- Name: .text
Type: SHT_PROGBITS
Flags: [SHF_ALLOC]
Address: 0x1100
AddressAlign: 0x100
Content: "00"
ProgramHeaders:
- Type: PT_LOAD
VAddr: 0x1000
Sections:
- Section: .dynamic
- Section: .text
- Type: PT_DYNAMIC
VAddr: 0x1000
Sections:
- Section: .dynamic
- Section: .text
|
