43 lines
1.6 KiB
ArmAsm
43 lines
1.6 KiB
ArmAsm
# RUN: split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t_main.o %t/main.s
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# RUN: llvm-as %S/Inputs/foo.ll -o %t_foo.o
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# RUN: llvm-as %S/Inputs/libcall.ll -o %t_libcall.o
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# RUN: wasm-ld %t_main.o %t_libcall.o %t_foo.o %p/Inputs/stub.so -o %t.wasm
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# RUN: obj2yaml %t.wasm | FileCheck %s
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# The function `func_with_libcall` will generate an undefined reference to
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# `memcpy` at LTO time. `memcpy` itself also declared in stub.so and depends
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# on `foo`
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# If %t_foo.o is not included in the link we get an undefined symbol reported
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# to the dependency of memcpy on the foo export:
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# RUN: not wasm-ld %t_main.o %t_libcall.o %p/Inputs/stub.so -o %t.wasm 2>&1 | FileCheck --check-prefix=MISSING %s
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# MISSING: stub.so: undefined symbol: foo. Required by memcpy
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#--- main.s
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.functype func_with_libcall (i32, i32) -> ()
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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.const 0
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call func_with_libcall
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end_function
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# CHECK: Imports:
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# CHECK-NEXT: - Module: env
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# CHECK-NEXT: Field: memcpy
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# CHECK-NEXT: Kind: FUNCTION
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# CHECK-NEXT: SigIndex: 0
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# CHECK: 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: 1
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# CHECK-NEXT: - Name: foo
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# CHECK-NEXT: Kind: FUNCTION
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# CHECK-NEXT: Index: 3
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