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
| # RUN: ld64.lld -arch x86_64 -macosx_version_min 10.8 %s -dylib \
# RUN: -sectalign __DATA __custom 0x800 -sectalign __TEXT __text 0x400 \
# RUN: %p/Inputs/x86_64/libSystem.yaml -o %t \
# RUN: && llvm-readobj --sections %t | FileCheck %s
#
# Test -sectalign option on __text and a custom section.
#
--- !mach-o
arch: x86_64
file-type: MH_OBJECT
flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]
sections:
- segment: __TEXT
section: __text
type: S_REGULAR
attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
address: 0x0000000000000000
content: [ 0x55, 0x48, 0x89, 0xE5, 0x8B, 0x05, 0x00, 0x00,
0x00, 0x00, 0x03, 0x05, 0x00, 0x00, 0x00, 0x00,
0x5D, 0xC3 ]
relocations:
- offset: 0x0000000C
type: X86_64_RELOC_SIGNED
length: 2
pc-rel: true
extern: true
symbol: 1
- offset: 0x00000006
type: X86_64_RELOC_SIGNED
length: 2
pc-rel: true
extern: true
symbol: 2
- segment: __DATA
section: __data
type: S_REGULAR
attributes: [ ]
alignment: 2
address: 0x0000000000000014
content: [ 0x0A, 0x00, 0x00, 0x00 ]
- segment: __DATA
section: __custom
type: S_REGULAR
attributes: [ ]
alignment: 2
address: 0x0000000000000018
content: [ 0x0A, 0x00, 0x00, 0x00 ]
global-symbols:
- name: _a
type: N_SECT
scope: [ N_EXT ]
sect: 2
value: 0x0000000000000014
- name: _b
type: N_SECT
scope: [ N_EXT ]
sect: 3
value: 0x0000000000000018
- name: _get
type: N_SECT
scope: [ N_EXT ]
sect: 1
value: 0x0000000000000000
...
# CHECK: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
# CHECK: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
# CHECK: Address: 0xC00
# CHECK: Name: __data (5F 5F 64 61 74 61 00 00 00 00 00 00 00 00 00 00)
# CHECK: Segment: __DATA (5F 5F 44 41 54 41 00 00 00 00 00 00 00 00 00 00)
# CHECK: Address: 0x1000
# CHECK: Name: __custom (5F 5F 63 75 73 74 6F 6D 00 00 00 00 00 00 00 00)
# CHECK: Segment: __DATA (5F 5F 44 41 54 41 00 00 00 00 00 00 00 00 00 00)
# CHECK: Address: 0x1800
|