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
| # REQUIRES: x86
# RUN: ld64.lld -arch x86_64 -macosx_version_min 10.8 %s \
# RUN: %p/Inputs/lazy-bind-x86_64.yaml %p/Inputs/lazy-bind-x86_64-2.yaml \
# RUN: %p/Inputs/lazy-bind-x86_64-3.yaml -o %t \
# RUN: %p/Inputs/x86_64/libSystem.yaml
# RUN: llvm-objdump -macho -lazy-bind %t | FileCheck %s
# RUN: llvm-nm -m %t | FileCheck --check-prefix=CHECK-NM %s
# RUN: llvm-objdump -disassemble %t | FileCheck --check-prefix=CHECK-HELPERS %s
# RUN: llvm-objdump -private-headers %t | FileCheck --check-prefix=CHECK-DYLIBS %s
#
# Test that correct two-level namespace ordinals are used for lazy bindings.
#
--- !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, 0x31, 0xC0, 0xE8, 0x00,
0x00, 0x00, 0x00, 0x31, 0xC0, 0xE8, 0x00, 0x00,
0x00, 0x00, 0x31, 0xC0, 0xE8, 0x00, 0x00, 0x00,
0x00, 0x31, 0xC0, 0x5D, 0xC3 ]
relocations:
- offset: 0x00000015
type: X86_64_RELOC_BRANCH
length: 2
pc-rel: true
extern: true
symbol: 3
- offset: 0x0000000E
type: X86_64_RELOC_BRANCH
length: 2
pc-rel: true
extern: true
symbol: 2
- offset: 0x00000007
type: X86_64_RELOC_BRANCH
length: 2
pc-rel: true
extern: true
symbol: 1
global-symbols:
- name: _main
type: N_SECT
scope: [ N_EXT ]
sect: 1
value: 0x0000000000000000
undefined-symbols:
- name: _bar
type: N_UNDF
scope: [ N_EXT ]
value: 0x0000000000000000
- name: _baz
type: N_UNDF
scope: [ N_EXT ]
value: 0x0000000000000000
- name: _foo
type: N_UNDF
scope: [ N_EXT ]
value: 0x0000000000000000
...
# CHECK: libbar _bar
# CHECK: libbaz _baz
# CHECK: libfoo _foo
# CHECK-NM: (undefined) external _bar (from libbar)
# CHECK-NM: (undefined) external _baz (from libbaz)
# CHECK-NM: (undefined) external _foo (from libfoo)
# CHECK-HELPERS:Disassembly of section __TEXT,__stub_helper:
# CHECK-HELPERS: 68 00 00 00 00 pushq $0
# CHECK-HELPERS: 68 0b 00 00 00 pushq $11
# CHECK-HELPERS: 68 16 00 00 00 pushq $22
# Make sure the stub helper is correctly aligned
# CHECK-DYLIBS: sectname __stub_helper
# CHECK-DYLIBS-NEXT: segname __TEXT
# CHECK-DYLIBS-NEXT: addr
# CHECK-DYLIBS-NEXT: size
# CHECK-DYLIBS-NEXT: offset
# CHECK-DYLIBS-NEXT: align 2^2 (4)
# Make sure the __nl_symbol_ptr section is used instea of __got as this is x86_64
# CHECK-DYLIBS: sectname __nl_symbol_ptr
# CHECK-DYLIBS-NEXT: segname __DATA
# CHECK-DYLIBS: cmd LC_LOAD_DYLIB
# CHECK-DYLIBS: name /usr/lib/libbar.dylib (offset 24)
# CHECK-DYLIBS: current version 2.3.0
# CHECK-DYLIBS: compatibility version 1.0.0
# CHECK-DYLIBS: cmd LC_LOAD_DYLIB
# CHECK-DYLIBS: name /usr/lib/libfoo.dylib (offset 24)
# CHECK-DYLIBS: current version 3.4.0
# CHECK-DYLIBS: compatibility version 2.0.0
# CHECK-DYLIBS: cmd LC_LOAD_DYLIB
# CHECK-DYLIBS: name /usr/lib/libbaz.dylib (offset 24)
# CHECK-DYLIBS: current version 4.5.0
# CHECK-DYLIBS: compatibility version 3.0.0
|