| # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s |
| # RUN: wasm-ld --experimental-pic -shared -o %t.wasm %t.o |
| # RUN: obj2yaml %t.wasm | FileCheck %s |
| # RUN: llvm-objdump -d %t.wasm | FileCheck %s -check-prefix=ASM |
| |
| # Verify the weakly defined fuctions (weak_func) are both imported and exported, |
| # and that internal usage (direct call) always uses the imported version. |
| # Hidden functions, even if weak, should not be imported or exported. |
| |
| .globl weak_func |
| .weak weak_func |
| weak_func: |
| .functype weak_func () -> (i32) |
| i32.const 0 |
| end_function |
| |
| .globl hidden_weak_func |
| .hidden hidden_weak_func |
| .weak hidden_weak_func |
| hidden_weak_func: |
| .functype hidden_weak_func () -> (i32) |
| i32.const 42 |
| end_function |
| |
| .globl call_weak |
| call_weak: |
| # ASM: <call_weak>: |
| .functype call_weak () -> (i32) |
| call weak_func |
| # ASM: 10 80 80 80 80 00 call 0 |
| drop |
| call hidden_weak_func |
| # ASM: 10 84 80 80 80 00 call 4 |
| end_function |
| # ASM-NEXT: 0b end |
| |
| # CHECK: - Type: IMPORT |
| # CHECK-NEXT: Imports: |
| # CHECK-NEXT: - Module: env |
| # CHECK-NEXT: Field: memory |
| # CHECK-NEXT: Kind: MEMORY |
| # CHECK-NEXT: Memory: |
| # CHECK-NEXT: Minimum: 0x0 |
| # CHECK-NEXT: - Module: env |
| # CHECK-NEXT: Field: __memory_base |
| # CHECK-NEXT: Kind: GLOBAL |
| # CHECK-NEXT: GlobalType: I32 |
| # CHECK-NEXT: GlobalMutable: false |
| # CHECK-NEXT: - Module: env |
| # CHECK-NEXT: Field: __table_base |
| # CHECK-NEXT: Kind: GLOBAL |
| # CHECK-NEXT: GlobalType: I32 |
| # CHECK-NEXT: GlobalMutable: false |
| # CHECK-NEXT: - Module: env |
| # CHECK-NEXT: Field: weak_func |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: SigIndex: 0 |
| # CHECK-NEXT: - Type: FUNCTION |
| |
| # CHECK: - Type: EXPORT |
| # CHECK-NEXT: Exports: |
| # CHECK-NEXT: - Name: __wasm_call_ctors |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: Index: 1 |
| # CHECK-NEXT: - Name: __wasm_apply_data_relocs |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: Index: 2 |
| # CHECK-NEXT: - Name: weak_func |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: Index: 3 |
| # CHECK-NEXT: - Name: call_weak |
| # CHECK-NEXT: Kind: FUNCTION |
| # CHECK-NEXT: Index: 5 |
| # CHECK-NEXT: - Type: CODE |
| |
| # CHECK: - Type: CUSTOM |
| # CHECK-NEXT: Name: name |
| # CHECK-NEXT: FunctionNames: |
| # CHECK-NEXT: - Index: 0 |
| # CHECK-NEXT: Name: weak_func |
| # CHECK-NEXT: - Index: 1 |
| # CHECK-NEXT: Name: __wasm_call_ctors |
| # CHECK-NEXT: - Index: 2 |
| # CHECK-NEXT: Name: __wasm_apply_data_relocs |
| # CHECK-NEXT: - Index: 3 |
| # CHECK-NEXT: Name: weak_func |
| # CHECK-NEXT: - Index: 4 |
| # CHECK-NEXT: Name: hidden_weak_func |
| # CHECK-NEXT: - Index: 5 |
| # CHECK-NEXT: Name: call_weak |