xref: /llvm-project/lld/test/wasm/unresolved-symbols-dynamic.s (revision 86c90f9bfdc4e9f02533196396a6ae363449b6a3)
1# Unresolve data symbols are allowing under import-dynamic when GOT
2# relocations are used
3# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t-dynamic.o
4# RUN: wasm-ld %t-dynamic.o -o %t.wasm --unresolved-symbols=import-dynamic 2>&1 | FileCheck -check-prefix=WARN %s
5# WARN: wasm-ld: warning: dynamic imports are not yet stable (--unresolved-symbols=import-dynamic)
6# RUN: obj2yaml %t.wasm | FileCheck %s
7
8.functype undef () -> ()
9
10.globl get_data_addr
11get_data_addr:
12    .functype get_data_addr () -> (i32)
13    global.get undef_data@GOT
14    return
15    end_function
16
17.globl get_func_addr
18get_func_addr:
19    .functype get_func_addr () -> (i32)
20    global.get undef@GOT
21    return
22    end_function
23
24.globl _start
25_start:
26    .functype _start () -> ()
27    call undef
28    call get_func_addr
29    drop
30    call get_data_addr
31    i32.load data_ptr
32    drop
33    end_function
34
35.section  .data.data_ptr,"",@
36data_ptr:
37  .int32  data_external+42
38  .size data_ptr, 4
39
40.size data_external, 4
41
42#      CHECK:  - Type:            IMPORT
43# CHECK-NEXT:    Imports:
44# CHECK-NEXT:      - Module:          env
45# CHECK-NEXT:        Field:           undef
46# CHECK-NEXT:        Kind:            FUNCTION
47# CHECK-NEXT:        SigIndex:        0
48# CHECK-NEXT:      - Module:          GOT.mem
49# CHECK-NEXT:        Field:           undef_data
50# CHECK-NEXT:        Kind:            GLOBAL
51# CHECK-NEXT:        GlobalType:      I32
52# CHECK-NEXT:        GlobalMutable:   true
53# CHECK-NEXT:      - Module:          GOT.func
54# CHECK-NEXT:        Field:           undef
55# CHECK-NEXT:        Kind:            GLOBAL
56# CHECK-NEXT:        GlobalType:      I32
57# CHECK-NEXT:        GlobalMutable:   true
58
59#      CHECK:  - Type:            CUSTOM
60# CHECK-NEXT:    Name:            name
61# CHECK-NEXT:    FunctionNames:
62# CHECK-NEXT:      - Index:           0
63# CHECK-NEXT:        Name:            undef
64# CHECK-NEXT:      - Index:           1
65# CHECK-NEXT:        Name:            __wasm_apply_data_relocs
66# CHECK-NEXT:      - Index:           2
67# CHECK-NEXT:        Name:            get_data_addr
68# CHECK-NEXT:      - Index:           3
69# CHECK-NEXT:        Name:            get_func_addr
70# CHECK-NEXT:      - Index:           4
71# CHECK-NEXT:        Name:            _start
72# CHECK-NEXT:    GlobalNames:
73# CHECK-NEXT:      - Index:           0
74# CHECK-NEXT:        Name:            undef_data
75# CHECK-NEXT:      - Index:           1
76# CHECK-NEXT:        Name:            undef
77# CHECK-NEXT:      - Index:           2
78# CHECK-NEXT:        Name:            data_external
79# CHECK-NEXT:      - Index:           3
80# CHECK-NEXT:        Name:            __stack_pointer
81# CHECK-NEXT:    DataSegmentNames:
82# CHECK-NEXT:      - Index:           0
83# CHECK-NEXT:        Name:            .data
84# CHECK-NEXT:...
85