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call-indirect.s
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# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/call-indirect.s -o %t2.o
# RUN: wasm-ld --export-dynamic -o %t.wasm %t2.o %t.o
# RUN: obj2yaml %t.wasm | FileCheck %s
.globl foo
foo:
.functype foo () -> (i32)
i32.const 2
end_function
.globl _start
_start:
.functype _start () -> ()
i32.const 0
i32.load indirect_func
call_indirect () -> (i32)
drop
end_function
# Indirect function call where no function actually has this type.
# Ensures that the type entry is still created in this case.
.section .text,"",@
.globl call_ptr
call_ptr:
.functype call_ptr (i32) -> ()
i64.const 1
local.get 0
call_indirect (i64) -> (i64)
drop
end_function
.globl indirect_func
.section .data.indirect_func,"",@
indirect_func:
.int32 foo
.size indirect_func, 4
# CHECK: !WASM
# CHECK-NEXT: FileHeader:
# CHECK-NEXT: Version: 0x1
# CHECK-NEXT: Sections:
# CHECK-NEXT: - Type: TYPE
# CHECK-NEXT: Signatures:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: ParamTypes:
# CHECK-NEXT: ReturnTypes:
# CHECK-NEXT: - I64
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: ParamTypes:
# CHECK-NEXT: ReturnTypes:
# CHECK-NEXT: - I32
# CHECK-NEXT: - Index: 2
# CHECK-NEXT: ParamTypes:
# CHECK-NEXT: - I64
# CHECK-NEXT: ReturnTypes:
# CHECK-NEXT: - I64
# CHECK-NEXT: - Index: 3
# CHECK-NEXT: ParamTypes:
# CHECK-NEXT: ReturnTypes: []
# CHECK-NEXT: - Index: 4
# CHECK-NEXT: ParamTypes:
# CHECK-NEXT: - I32
# CHECK-NEXT: ReturnTypes: []
# CHECK-NEXT: - Type: FUNCTION
# CHECK-NEXT: FunctionTypes: [ 0, 3, 1, 3, 4 ]
# CHECK-NEXT: - Type: TABLE
# CHECK-NEXT: Tables:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: ElemType: FUNCREF
# CHECK-NEXT: Limits:
# CHECK-NEXT: Flags: [ HAS_MAX ]
# CHECK-NEXT: Minimum: 0x3
# CHECK-NEXT: Maximum: 0x3
# CHECK-NEXT: - Type: MEMORY
# CHECK-NEXT: Memories:
# CHECK-NEXT: - Minimum: 0x2
# CHECK-NEXT: - Type: GLOBAL
# CHECK-NEXT: Globals:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Type: I32
# CHECK-NEXT: Mutable: true
# CHECK-NEXT: InitExpr:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 66576
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Type: I32
# CHECK-NEXT: Mutable: false
# CHECK-NEXT: InitExpr:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 1032
# CHECK-NEXT: - Type: EXPORT
# CHECK-NEXT: Exports:
# CHECK-NEXT: - Name: memory
# CHECK-NEXT: Kind: MEMORY
# CHECK-NEXT: Index: 0
# CHECK-NEXT: - Name: bar
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Index: 0
# CHECK-NEXT: - Name: call_bar_indirect
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Index: 1
# CHECK-NEXT: - Name: foo
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Index: 2
# CHECK-NEXT: - Name: _start
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Index: 3
# CHECK-NEXT: - Name: indirect_func
# CHECK-NEXT: Kind: GLOBAL
# CHECK-NEXT: Index: 1
# CHECK-NEXT: - Name: call_ptr
# CHECK-NEXT: Kind: FUNCTION
# CHECK-NEXT: Index: 4
# CHECK-NEXT: - Type: ELEM
# CHECK-NEXT: Segments:
# CHECK-NEXT: - Offset:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 1
# CHECK-NEXT: Functions: [ 0, 2 ]
# CHECK-NEXT: - Type: CODE
# CHECK-NEXT: Functions:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 42010B
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 410028028088808000118080808000001A410028028488808000118180808000001A0B
# CHECK-NEXT: - Index: 2
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 41020B
# CHECK-NEXT: - Index: 3
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 410028028888808000118180808000001A0B
# CHECK-NEXT: - Index: 4
# CHECK-NEXT: Locals:
# CHECK-NEXT: Body: 42012000118280808000001A0B
# CHECK-NEXT: - Type: DATA
# CHECK-NEXT: Segments:
# CHECK-NEXT: - SectionOffset: 7
# CHECK-NEXT: InitFlags: 0
# CHECK-NEXT: Offset:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 1024
# CHECK-NEXT: Content: '010000000200000002000000'
# CHECK-NEXT: - Type: CUSTOM
# CHECK-NEXT: Name: name
# CHECK-NEXT: FunctionNames:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Name: bar
# CHECK-NEXT: - Index: 1
# CHECK-NEXT: Name: call_bar_indirect
# CHECK-NEXT: - Index: 2
# CHECK-NEXT: Name: foo
# CHECK-NEXT: - Index: 3
# CHECK-NEXT: Name: _start
# CHECK-NEXT: - Index: 4
# CHECK-NEXT: Name: call_ptr
# CHECK-NEXT: GlobalNames:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Name: __stack_pointer
# CHECK-NEXT: DataSegmentNames:
# CHECK-NEXT: - Index: 0
# CHECK-NEXT: Name: .data
# CHECK-NEXT: ...