llvm-project

symtab.s
173 строки · 5.1 Кб
Перенос по словам
1
# REQUIRES: x86
2
# RUN: rm -rf %t && split-file %s %t
3
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
4
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test2.s -o %t/test2.o
5
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/libfoo.s -o %t/libfoo.o
6
# RUN: %lld -dylib %t/libfoo.o -o %t/libfoo.dylib
7
# RUN: %lld -lSystem %t/test.o %t/test2.o %t/libfoo.dylib -o %t/test
8

9
# RUN: llvm-readobj --syms --sort-symbols=type,name --macho-dysymtab %t/test | FileCheck %s
10
# CHECK:      Symbols [
11
# CHECK-NEXT:   Symbol {
12
# CHECK-NEXT:     Name: _dynamic
13
# CHECK-NEXT:     Extern
14
# CHECK-NEXT:     Type: Undef (0x0)
15
# CHECK-NEXT:     Section:  (0x0)
16
# CHECK-NEXT:     RefType: UndefinedNonLazy (0x0)
17
# CHECK-NEXT:     Flags [ (0x200)
18
# CHECK-NEXT:       AltEntry (0x200)
19
# CHECK-NEXT:     ]
20
# CHECK-NEXT:     Value: 0x0
21
# CHECK-NEXT:   }
22
# CHECK-NEXT:   Symbol {
23
# CHECK-NEXT:     Name: dyld_stub_binder
24
# CHECK-NEXT:     Extern
25
# CHECK-NEXT:     Type: Undef (0x0)
26
# CHECK-NEXT:     Section:  (0x0)
27
# CHECK-NEXT:     RefType: UndefinedNonLazy (0x0)
28
# CHECK-NEXT:     Flags [ (0x100)
29
# CHECK-NEXT:       SymbolResolver (0x100)
30
# CHECK-NEXT:     ]
31
# CHECK-NEXT:     Value: 0x0
32
# CHECK-NEXT:   }
33
# CHECK-NEXT:   Symbol {
34
# CHECK-NEXT:     Name: __dyld_private
35
# CHECK-NEXT:     Type: Section (0xE)
36
# CHECK-NEXT:     Section: __data
37
# CHECK-NEXT:     RefType: UndefinedNonLazy (0x0)
38
# CHECK-NEXT:     Flags [ (0x0)
39
# CHECK-NEXT:     ]
40
# CHECK-NEXT:     Value: 0x1{{[0-9a-f]*}}
41
# CHECK-NEXT:   }
42
# CHECK-NEXT:   Symbol {
43
# CHECK-NEXT:     Name: _local
44
# CHECK-NEXT:     Type: Section (0xE)
45
# CHECK-NEXT:     Section: __data
46
# CHECK-NEXT:     RefType: UndefinedNonLazy (0x0)
47
# CHECK-NEXT:     Flags [ (0x0)
48
# CHECK-NEXT:     ]
49
# CHECK-NEXT:     Value: 0x1{{[0-9a-f]*}}
50
# CHECK-NEXT:   }
51
# CHECK-NEXT:   Symbol {
52
# CHECK-NEXT:     Name: __mh_execute_header
53
# CHECK-NEXT:     Extern
54
# CHECK-NEXT:     Type: Section (0xE)
55
# CHECK-NEXT:     Section: __text (0x1)
56
# CHECK-NEXT:     RefType: UndefinedNonLazy (0x0)
57
# CHECK-NEXT:     Flags [ (0x10)
58
# CHECK-NEXT:       ReferencedDynamically (0x10)
59
# CHECK-NEXT:     ]
60
# CHECK-NEXT:     Value: 0x100000000
61
# CHECK-NEXT:   }
62
# CHECK-NEXT:   Symbol {
63
# CHECK-NEXT:     Name: _external
64
# CHECK-NEXT:     Extern
65
# CHECK-NEXT:     Type: Section (0xE)
66
# CHECK-NEXT:     Section: __data
67
# CHECK-NEXT:     RefType: UndefinedNonLazy (0x0)
68
# CHECK-NEXT:     Flags [ (0x0)
69
# CHECK-NEXT:     ]
70
# CHECK-NEXT:     Value: 0x1{{[0-9a-f]*}}
71
# CHECK-NEXT:   }
72
# CHECK-NEXT:   Symbol {
73
# CHECK-NEXT:     Name: _external_weak
74
# CHECK-NEXT:     Extern
75
# CHECK-NEXT:     Type: Section (0xE)
76
# CHECK-NEXT:     Section: __text (0x1)
77
# CHECK-NEXT:     RefType: UndefinedNonLazy (0x0)
78
# CHECK-NEXT:     Flags [ (0x80)
79
# CHECK-NEXT:       WeakDef (0x80)
80
# CHECK-NEXT:     ]
81
# CHECK-NEXT:     Value: 0x1{{[0-9a-f]*}}
82
# CHECK-NEXT:   }
83
# CHECK-NEXT:   Symbol {
84
# CHECK-NEXT:     Name: _main
85
# CHECK-NEXT:     Extern
86
# CHECK-NEXT:     Type: Section (0xE)
87
# CHECK-NEXT:     Section: __text (0x1)
88
# CHECK-NEXT:     RefType: UndefinedNonLazy (0x0)
89
# CHECK-NEXT:     Flags [ (0x0)
90
# CHECK-NEXT:     ]
91
# CHECK-NEXT:     Value: 0x1{{[0-9a-f]*}}
92
# CHECK-NEXT:   }
93
# CHECK-NEXT:   Symbol {
94
# CHECK-NEXT:     Name: _private_external
95
# CHECK-NEXT:     PrivateExtern
96
# CHECK-NEXT:     Type: Section (0xE)
97
# CHECK-NEXT:     Section: __text (0x1)
98
# CHECK-NEXT:     RefType: UndefinedNonLazy (0x0)
99
# CHECK-NEXT:     Flags [ (0x0)
100
# CHECK-NEXT:     ]
101
# CHECK-NEXT:     Value: 0x1{{[0-9a-f]*}}
102
# CHECK-NEXT:   }
103
# CHECK-NEXT:   Symbol {
104
# CHECK-NEXT:     Name: _private_external_weak
105
# CHECK-NEXT:     PrivateExtern
106
# CHECK-NEXT:     Type: Section (0xE)
107
# CHECK-NEXT:     Section: __text (0x1)
108
# CHECK-NEXT:     RefType: UndefinedNonLazy (0x0)
109
# CHECK-NEXT:     Flags [ (0x0)
110
# CHECK-NEXT:     ]
111
# CHECK-NEXT:     Value: 0x1{{[0-9a-f]*}}
112
# CHECK-NEXT:   }
113
# CHECK-NEXT: ]
114
# CHECK-NEXT: Dysymtab {
115
# CHECK-NEXT:   ilocalsym: 0
116
# CHECK-NEXT:   nlocalsym: 4
117
# CHECK-NEXT:   iextdefsym: 4
118
# CHECK-NEXT:   nextdefsym: 4
119
# CHECK-NEXT:   iundefsym: 8
120
# CHECK-NEXT:   nundefsym: 2
121

122
## Verify that the first entry in the StringTable is a space, and that
123
## unreferenced symbols aren't emitted.
124
# RUN: obj2yaml %t/test | FileCheck %s --check-prefix=YAML
125
# YAML:      StringTable:
126
# YAML-NEXT: ' '
127
# YAML-NOT: _unreferenced
128

129
#--- libfoo.s
130
.globl _dynamic
131
_dynamic:
132

133
#--- test.s
134
.globl _main, _external, _private_external, _external_weak, _private_external_weak, _unreferenced
135

136
.data
137
_external:
138
  .space 1
139
_local:
140
  .space 1
141

142
.text
143
.weak_definition _external_weak
144
_external_weak:
145
  .space 1
146

147
.private_extern _private_external
148
_private_external:
149
  .space 1
150

151
.weak_definition _private_external_weak
152
.private_extern _private_external_weak
153
_private_external_weak:
154
  .space 1
155

156
_main:
157
  callq _private_external
158
  callq _dynamic
159
  mov $0, %rax
160
  ret
161

162
#--- test2.s
163
## These are both already in test.s and should make it into the symbol table
164
## just once.
165
.globl _external_weak, _private_external_weak
166
.text
167
.weak_definition _external_weak
168
_external_weak:
169
  .space 1
170
.weak_definition _private_external_weak
171
.private_extern _private_external_weak
172
_private_external_weak:
173
  .space 1
174
llvm-project

Использование cookies
