File: weak-alias-labels.s

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (122 lines) | stat: -rw-r--r-- 3,242 bytes parent folder | download | duplicates (19)
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
112
113
114
115
116
117
118
119
120
121
122
// RUN: llvm-mc -filetype=obj -triple i686-pc-win32 %s | llvm-readobj --symbols - | FileCheck %s
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-win32 %s | llvm-readobj --symbols - | FileCheck %s

// When making weak references to labels/procedures, we reference them directly
// if they have global symbols; otherwise, we need to create a global symbol for
// the reference to resolve to.

    .text

    .globl proc1
proc1:
    ret

proc2:
    ret
// CHECK:      Symbol {
// CHECK:        Name: proc2
// CHECK-NEXT:   Value: [[PROC2_VALUE:[0-9]+]]
// CHECK-NEXT:   Section: [[PROC2_SECTION:.*]]
// CHECK-NEXT:   BaseType: Null
// CHECK-NEXT:   ComplexType: Null
// CHECK-NEXT:   StorageClass: Static
// CHECK-NEXT:   AuxSymbolCount: 0
// CHECK-NEXT: }

    .weak t1
t1 = proc1

// CHECK:      Symbol {
// CHECK:        Name: t1
// CHECK-NEXT:   Value: 0
// CHECK-NEXT:   Section: IMAGE_SYM_UNDEFINED
// CHECK-NEXT:   BaseType: Null
// CHECK-NEXT:   ComplexType: Null
// CHECK-NEXT:   StorageClass: WeakExternal
// CHECK-NEXT:   AuxSymbolCount: 1
// CHECK-NEXT:   AuxWeakExternal {
// CHECK-NEXT:     Linked: proc1
// CHECK-NEXT:     Search: Alias
// CHECK-NEXT:   }
// CHECK-NEXT: }

    .weak t2
t2 = proc2

// CHECK:      Symbol {
// CHECK:        Name: t2
// CHECK-NEXT:   Value: 0
// CHECK-NEXT:   Section: IMAGE_SYM_UNDEFINED
// CHECK-NEXT:   BaseType: Null
// CHECK-NEXT:   ComplexType: Null
// CHECK-NEXT:   StorageClass: WeakExternal
// CHECK-NEXT:   AuxSymbolCount: 1
// CHECK-NEXT:   AuxWeakExternal {
// CHECK-NEXT:     Linked: .weak.t2.default
// CHECK-NEXT:     Search: Alias
// CHECK-NEXT:   }
// CHECK-NEXT: }
// CHECK:      Symbol {
// CHECK:        Name: .weak.t2.default
// CHECK-NEXT:   Value: [[PROC2_VALUE]]
// CHECK-NEXT:   Section: [[PROC2_SECTION]]
// CHECK-NEXT:   BaseType: Null
// CHECK-NEXT:   ComplexType: Null
// CHECK-NEXT:   StorageClass: External
// CHECK-NEXT:   AuxSymbolCount: 0
// CHECK-NEXT: }

    .weak t3
t3 = foo

// CHECK:      Symbol {
// CHECK:        Name: t3
// CHECK-NEXT:   Value: 0
// CHECK-NEXT:   Section: IMAGE_SYM_UNDEFINED
// CHECK-NEXT:   BaseType: Null
// CHECK-NEXT:   ComplexType: Null
// CHECK-NEXT:   StorageClass: WeakExternal
// CHECK-NEXT:   AuxSymbolCount: 1
// CHECK-NEXT:   AuxWeakExternal {
// CHECK-NEXT:     Linked: foo
// CHECK-NEXT:     Search: Alias
// CHECK-NEXT:   }
// CHECK-NEXT: }

    .weak t4
t4 = bar

    .globl bar
bar:
    ret

// CHECK:      Symbol {
// CHECK:        Name: t4
// CHECK-NEXT:   Value: 0
// CHECK-NEXT:   Section: IMAGE_SYM_UNDEFINED
// CHECK-NEXT:   BaseType: Null
// CHECK-NEXT:   ComplexType: Null
// CHECK-NEXT:   StorageClass: WeakExternal
// CHECK-NEXT:   AuxSymbolCount: 1
// CHECK-NEXT:   AuxWeakExternal {
// CHECK-NEXT:     Linked: bar
// CHECK-NEXT:     Search: Alias
// CHECK-NEXT:   }
// CHECK-NEXT: }

    .weak t5
t5 = t2

// CHECK:      Symbol {
// CHECK:        Name: t5
// CHECK-NEXT:   Value: 0
// CHECK-NEXT:   Section: IMAGE_SYM_UNDEFINED
// CHECK-NEXT:   BaseType: Null
// CHECK-NEXT:   ComplexType: Null
// CHECK-NEXT:   StorageClass: WeakExternal
// CHECK-NEXT:   AuxSymbolCount: 1
// CHECK-NEXT:   AuxWeakExternal {
// CHECK-NEXT:     Linked: t2
// CHECK-NEXT:     Search: Alias
// CHECK-NEXT:   }
// CHECK-NEXT: }