llvm-project

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# Test the --export of optional linker-synthetic symbols works.
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# Specifically the __start_xxx and __end_xx symbols.
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# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
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# RUN: wasm-ld --export=__start_foo %t.o -o %t.wasm
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# RUN: obj2yaml %t.wasm | FileCheck %s
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  .globl  _start
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_start:
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  .functype _start () -> ()
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  i32.const 0
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  i32.load foo
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  drop
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  end_function
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  .globl  foo
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  .section    foo,"",@
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foo:
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  .int32 42
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  .size foo, 4
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#      CHECK:  - Type:            EXPORT
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# CHECK-NEXT:    Exports:
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# CHECK-NEXT:      - Name:            memory
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# CHECK-NEXT:        Kind:            MEMORY
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# CHECK-NEXT:        Index:           0
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# CHECK-NEXT:      - Name:            _start
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# CHECK-NEXT:        Kind:            FUNCTION
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# CHECK-NEXT:        Index:           0
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# CHECK-NEXT:      - Name:            __start_foo
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# CHECK-NEXT:        Kind:            GLOBAL
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# CHECK-NEXT:        Index:           1
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