cf54424a46
Leave the name section in the output when using the --strip-debug flag. This treats it more like ELF symbol tables, as the name section has similar uses at runtime (e.g. wasm engines understand it and it can be used for symbolization at runtime). Fixes https://github.com/emscripten-core/emscripten/issues/14623 Differential Revision: https://reviews.llvm.org/D106728
94 lines
2.9 KiB
ArmAsm
94 lines
2.9 KiB
ArmAsm
# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
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# RUN: wasm-ld -strip-all %t.o -o %t.wasm
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# RUN: obj2yaml %t.wasm | FileCheck %s
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# Test that undefined weak externals (global_var) and (foo) don't cause
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# link failures and resolve to zero.
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.functype foo () -> (i32)
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.globl get_address_of_foo
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get_address_of_foo:
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.functype get_address_of_foo () -> (i32)
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i32.const foo
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end_function
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.globl get_address_of_global_var
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get_address_of_global_var:
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.functype get_address_of_global_var () -> (i32)
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i32.const global_var
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end_function
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.globl _start
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_start:
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.functype _start () -> ()
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call get_address_of_global_var
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drop
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call get_address_of_foo
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drop
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call foo
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drop
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end_function
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.weak foo
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.weak global_var
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# CHECK: --- !WASM
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# CHECK-NEXT: FileHeader:
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# CHECK-NEXT: Version: 0x1
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# CHECK-NEXT: Sections:
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# CHECK-NEXT: - Type: TYPE
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# CHECK-NEXT: Signatures:
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# CHECK-NEXT: - Index: 0
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# CHECK-NEXT: ParamTypes: []
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# CHECK-NEXT: ReturnTypes:
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# CHECK-NEXT: - I32
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# CHECK-NEXT: - Index: 1
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# CHECK-NEXT: ParamTypes: []
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# CHECK-NEXT: ReturnTypes: []
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# CHECK-NEXT: - Type: FUNCTION
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# CHECK-NEXT: FunctionTypes: [ 0, 0, 0, 1 ]
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# CHECK-NEXT: - Type: TABLE
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# CHECK-NEXT: Tables:
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# CHECK-NEXT: - Index: 0
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# CHECK-NEXT: ElemType: FUNCREF
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# CHECK-NEXT: Limits:
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# CHECK-NEXT: Flags: [ HAS_MAX ]
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# CHECK-NEXT: Minimum: 0x1
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# CHECK-NEXT: Maximum: 0x1
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# CHECK-NEXT: - Type: MEMORY
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# CHECK-NEXT: Memories:
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# CHECK-NEXT: - Minimum: 0x2
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# CHECK-NEXT: - Type: GLOBAL
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# CHECK-NEXT: Globals:
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# CHECK-NEXT: - Index: 0
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# CHECK-NEXT: Type: I32
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# CHECK-NEXT: Mutable: true
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# CHECK-NEXT: InitExpr:
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# CHECK-NEXT: Opcode: I32_CONST
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# CHECK-NEXT: Value: 66560
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# CHECK-NEXT: - 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: 3
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# CHECK-NEXT: - Type: CODE
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# CHECK-NEXT: Functions:
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# CHECK-NEXT: - Index: 0
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# CHECK-NEXT: Locals:
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# CHECK-NEXT: Body: 000B
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# CHECK-NEXT: - Index: 1
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# CHECK-NEXT: Locals:
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# CHECK-NEXT: Body: 4180808080000B
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# CHECK-NEXT: - Index: 2
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# CHECK-NEXT: Locals:
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# CHECK-NEXT: Body: 4180808080000B
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# CHECK-NEXT: - Index: 3
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# CHECK-NEXT: Locals:
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# CHECK-NEXT: Body: 1082808080001A1081808080001A1080808080001A0B
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# CHECK-NEXT: ...
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