llvm-project/lld/test/wasm/export-optional.s

33 lines
920 B
ArmAsm

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