xref: /llvm-project/lld/test/wasm/weak-symbols.s (revision 9647a6f719ee4b1c23eea7aef368c1dcd5317949)
1# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/weak-symbol1.s -o %t1.o
2# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/weak-symbol2.s -o %t2.o
3# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
4# RUN: wasm-ld --export-dynamic -o %t.wasm %t.o %t1.o %t2.o
5# RUN: obj2yaml %t.wasm | FileCheck %s
6
7.functype weakFn () -> (i32)
8
9.globl  _start
10_start:
11  .functype _start () -> ()
12  call  weakFn
13  drop
14  end_function
15
16.size weakGlobal, 4
17
18# CHECK:      --- !WASM
19# CHECK-NEXT: FileHeader:
20# CHECK-NEXT:   Version:         0x1
21# CHECK-NEXT: Sections:
22# CHECK-NEXT:   - Type:            TYPE
23# CHECK-NEXT:     Signatures:
24# CHECK-NEXT:       - Index:           0
25# CHECK-NEXT:         ParamTypes:      []
26# CHECK-NEXT:         ReturnTypes:     []
27# CHECK-NEXT:       - Index:           1
28# CHECK-NEXT:         ParamTypes:      []
29# CHECK-NEXT:         ReturnTypes:
30# CHECK-NEXT:           - I32
31# CHECK-NEXT:   - Type:            FUNCTION
32# CHECK-NEXT:     FunctionTypes:   [ 0, 1, 1, 1 ]
33# CHECK-NEXT:   - Type:            TABLE
34# CHECK-NEXT:     Tables:
35# CHECK-NEXT:       - Index:           0
36# CHECK-NEXT:         ElemType:        FUNCREF
37# CHECK-NEXT:         Limits:
38# CHECK-NEXT:           Flags:           [ HAS_MAX ]
39# CHECK-NEXT:           Minimum:         0x2
40# CHECK-NEXT:           Maximum:         0x2
41# CHECK-NEXT:   - Type:            MEMORY
42# CHECK-NEXT:     Memories:
43# CHECK-NEXT:       - Minimum:         0x2
44# CHECK-NEXT:   - Type:            GLOBAL
45# CHECK-NEXT:     Globals:
46# CHECK-NEXT:       - Index:           0
47# CHECK-NEXT:         Type:            I32
48# CHECK-NEXT:         Mutable:         true
49# CHECK-NEXT:         InitExpr:
50# CHECK-NEXT:           Opcode:          I32_CONST
51# CHECK-NEXT:           Value:           66576
52# CHECK-NEXT:       - Index:           1
53# CHECK-NEXT:         Type:            I32
54# CHECK-NEXT:         Mutable:         false
55# CHECK-NEXT:         InitExpr:
56# CHECK-NEXT:           Opcode:          I32_CONST
57# CHECK-NEXT:           Value:           1024
58# CHECK-NEXT:   - Type:            EXPORT
59# CHECK-NEXT:     Exports:
60# CHECK-NEXT:       - Name:            memory
61# CHECK-NEXT:         Kind:            MEMORY
62# CHECK-NEXT:         Index:           0
63# CHECK-NEXT:       - Name:            _start
64# CHECK-NEXT:         Kind:            FUNCTION
65# CHECK-NEXT:         Index:           0
66# CHECK-NEXT:       - Name:            weakFn
67# CHECK-NEXT:         Kind:            FUNCTION
68# CHECK-NEXT:         Index:           1
69# CHECK-NEXT:       - Name:            exportWeak1
70# CHECK-NEXT:         Kind:            FUNCTION
71# CHECK-NEXT:         Index:           2
72# CHECK-NEXT:       - Name:            weakGlobal
73# CHECK-NEXT:         Kind:            GLOBAL
74# CHECK-NEXT:         Index:           1
75# CHECK-NEXT:       - Name:            exportWeak2
76# CHECK-NEXT:         Kind:            FUNCTION
77# CHECK-NEXT:         Index:           3
78# CHECK-NEXT:   - Type:            ELEM
79# CHECK-NEXT:     Segments:
80# CHECK-NEXT:       - Offset:
81# CHECK-NEXT:           Opcode:          I32_CONST
82# CHECK-NEXT:           Value:           1
83# CHECK-NEXT:         Functions:       [ 1 ]
84# CHECK-NEXT:   - Type:            CODE
85# CHECK-NEXT:     Functions:
86# CHECK-NEXT:       - Index:           0
87# CHECK-NEXT:         Locals:
88# CHECK-NEXT:         Body:            1081808080001A0B
89# CHECK-NEXT:       - Index:           1
90# CHECK-NEXT:         Locals:
91# CHECK-NEXT:         Body:            41010B
92# CHECK-NEXT:       - Index:           2
93# CHECK-NEXT:         Locals:
94# CHECK-NEXT:         Body:            4181808080000B
95# CHECK-NEXT:       - Index:           3
96# CHECK-NEXT:         Locals:
97# CHECK-NEXT:         Body:            4181808080000B
98# CHECK-NEXT:   - Type:            DATA
99# CHECK-NEXT:     Segments:
100# CHECK-NEXT:       - SectionOffset:   7
101# CHECK-NEXT:         InitFlags:       0
102# CHECK-NEXT:         Offset:
103# CHECK-NEXT:           Opcode:          I32_CONST
104# CHECK-NEXT:           Value:           1024
105# CHECK-NEXT:         Content:         '01000000'
106# CHECK-NEXT:   - Type:            CUSTOM
107# CHECK-NEXT:     Name:            name
108# CHECK-NEXT:     FunctionNames:
109# CHECK-NEXT:       - Index:           0
110# CHECK-NEXT:         Name:            _start
111# CHECK-NEXT:       - Index:           1
112# CHECK-NEXT:         Name:            weakFn
113# CHECK-NEXT:       - Index:           2
114# CHECK-NEXT:         Name:            exportWeak1
115# CHECK-NEXT:       - Index:           3
116# CHECK-NEXT:         Name:            exportWeak2
117# CHECK-NEXT:     GlobalNames:
118# CHECK-NEXT:       - Index:           0
119# CHECK-NEXT:         Name:            __stack_pointer
120# CHECK-NEXT:     DataSegmentNames:
121# CHECK-NEXT:       - Index:           0
122# CHECK-NEXT:         Name:            .data
123# CHECK-NEXT: ...
124