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
123
|
# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/weak-symbol1.s -o %t1.o
# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/weak-symbol2.s -o %t2.o
# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
# RUN: wasm-ld --export-dynamic -o %t.wasm %t.o %t1.o %t2.o
# RUN: obj2yaml %t.wasm | FileCheck %s
.functype weakFn () -> (i32)
.globl _start
_start:
.functype _start () -> ()
call weakFn
drop
end_function
.size weakGlobal, 4
# CHECK: --- !WASM
# CHECK-NEXT: FileHeader:
# CHECK-NEXT: Version: 0x1
# CHECK-NEXT: Sections:
# CHECK-NEXT: - Type: TYPE
# CHECK-NEXT: Signatures:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: ParamTypes: []
# CHECK-NEXT: ReturnTypes: []
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: ParamTypes: []
# CHECK-NEXT: ReturnTypes:
# CHECK-NEXT: - I32
# CHECK-NEXT: - Type: FUNCTION
# CHECK-NEXT: FunctionTypes: [ 0, 1, 1, 1 ]
# CHECK-NEXT: - Type: TABLE
# CHECK-NEXT: Tables:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: ElemType: FUNCREF
# CHECK-NEXT: Limits:
# CHECK-NEXT: Flags: [ HAS_MAX ]
# CHECK-NEXT: Minimum: 0x2
# CHECK-NEXT: Maximum: 0x2
# CHECK-NEXT: - Type: MEMORY
# CHECK-NEXT: Memories:
# CHECK-NEXT: - Minimum: 0x2
# CHECK-NEXT: - Type: GLOBAL
# CHECK-NEXT: Globals:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Type: I32
# CHECK-NEXT: Mutable: true
# CHECK-NEXT: InitExpr:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 66576
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Type: I32
# CHECK-NEXT: Mutable: false
# CHECK-NEXT: InitExpr:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 1024
# CHECK-NEXT: - Type: EXPORT
# CHECK-NEXT: Exports:
# CHECK-NEXT: - Name: memory
# CHECK-NEXT: Kind: MEMORY
# CHECK-NEXT: Index: 0
# CHECK-NEXT: - Name: _start
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Index: 0
# CHECK-NEXT: - Name: weakFn
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Index: 1
# CHECK-NEXT: - Name: exportWeak1
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Index: 2
# CHECK-NEXT: - Name: weakGlobal
# CHECK-NEXT: Kind: GLOBAL
# CHECK-NEXT: Index: 1
# CHECK-NEXT: - Name: exportWeak2
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Index: 3
# CHECK-NEXT: - Type: ELEM
# CHECK-NEXT: Segments:
# CHECK-NEXT: - Offset:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 1
# CHECK-NEXT: Functions: [ 1 ]
# CHECK-NEXT: - Type: CODE
# CHECK-NEXT: Functions:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 1081808080001A0B
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 41010B
# CHECK-NEXT: - Index: 2
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 4181808080000B
# CHECK-NEXT: - Index: 3
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 4181808080000B
# CHECK-NEXT: - Type: DATA
# CHECK-NEXT: Segments:
# CHECK-NEXT: - SectionOffset: 7
# CHECK-NEXT: InitFlags: 0
# CHECK-NEXT: Offset:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 1024
# CHECK-NEXT: Content: '01000000'
# CHECK-NEXT: - Type: CUSTOM
# CHECK-NEXT: Name: name
# CHECK-NEXT: FunctionNames:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Name: _start
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Name: weakFn
# CHECK-NEXT: - Index: 2
# CHECK-NEXT: Name: exportWeak1
# CHECK-NEXT: - Index: 3
# CHECK-NEXT: Name: exportWeak2
# CHECK-NEXT: GlobalNames:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Name: __stack_pointer
# CHECK-NEXT: DataSegmentNames:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Name: .data
# CHECK-NEXT: ...
|
