# 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
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