init-fini.ll
5.43 KB
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; RUN: llc -filetype=obj -o %t.o %s
; RUN: llc -filetype=obj %S/Inputs/global-ctor-dtor.ll -o %t.global-ctor-dtor.o
target triple = "wasm32-unknown-unknown"
define hidden void @func1() {
entry:
ret void
}
define hidden void @func2() {
entry:
ret void
}
define hidden void @func3() {
entry:
ret void
}
define hidden void @func4() {
entry:
ret void
}
declare hidden void @externCtor()
declare hidden void @externDtor()
declare hidden void @__wasm_call_ctors()
define i32 @__cxa_atexit(i32 %func, i32 %arg, i32 %dso_handle) {
ret i32 0
}
define hidden void @_start() {
entry:
call void @__wasm_call_ctors();
ret void
}
@llvm.global_ctors = appending global [4 x { i32, void ()*, i8* }] [
{ i32, void ()*, i8* } { i32 1001, void ()* @func1, i8* null },
{ i32, void ()*, i8* } { i32 101, void ()* @func1, i8* null },
{ i32, void ()*, i8* } { i32 101, void ()* @func2, i8* null },
{ i32, void ()*, i8* } { i32 4000, void ()* @externCtor, i8* null }
]
@llvm.global_dtors = appending global [4 x { i32, void ()*, i8* }] [
{ i32, void ()*, i8* } { i32 1001, void ()* @func3, i8* null },
{ i32, void ()*, i8* } { i32 101, void ()* @func3, i8* null },
{ i32, void ()*, i8* } { i32 101, void ()* @func4, i8* null },
{ i32, void ()*, i8* } { i32 4000, void ()* @externDtor, i8* null }
]
; RUN: wasm-ld --allow-undefined %t.o %t.global-ctor-dtor.o -o %t.wasm
; RUN: obj2yaml %t.wasm | FileCheck %s
; CHECK: - Type: IMPORT
; CHECK-NEXT: Imports:
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: externDtor
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: SigIndex: 0
; CHECK-NEXT: - Module: env
; CHECK-NEXT: Field: externCtor
; CHECK-NEXT: Kind: FUNCTION
; CHECK-NEXT: SigIndex: 0
; CHECK: - Type: ELEM
; CHECK-NEXT: Segments:
; CHECK-NEXT: - Offset:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 1
; CHECK-NEXT: Functions: [ 9, 11, 13, 17, 19, 21 ]
; CHECK-NEXT: - Type: CODE
; CHECK-NEXT: Functions:
; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 10031004100A100F1012100F10141003100C100F10161001100E0B
; CHECK: - Index: 22
; CHECK-NEXT: Locals:
; CHECK-NEXT: Body: 02404186808080004100418088808000108780808000450D0000000B0B
; CHECK-NEXT: - Type: CUSTOM
; CHECK-NEXT: Name: name
; CHECK-NEXT: FunctionNames:
; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Name: externDtor
; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Name: externCtor
; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Name: __wasm_call_ctors
; CHECK-NEXT: - Index: 3
; CHECK-NEXT: Name: func1
; CHECK-NEXT: - Index: 4
; CHECK-NEXT: Name: func2
; CHECK-NEXT: - Index: 5
; CHECK-NEXT: Name: func3
; CHECK-NEXT: - Index: 6
; CHECK-NEXT: Name: func4
; CHECK-NEXT: - Index: 7
; CHECK-NEXT: Name: __cxa_atexit
; CHECK-NEXT: - Index: 8
; CHECK-NEXT: Name: _start
; CHECK-NEXT: - Index: 9
; CHECK-NEXT: Name: .Lcall_dtors.101
; CHECK-NEXT: - Index: 10
; CHECK-NEXT: Name: .Lregister_call_dtors.101
; CHECK-NEXT: - Index: 11
; CHECK-NEXT: Name: .Lcall_dtors.1001
; CHECK-NEXT: - Index: 12
; CHECK-NEXT: Name: .Lregister_call_dtors.1001
; CHECK-NEXT: - Index: 13
; CHECK-NEXT: Name: .Lcall_dtors.4000
; CHECK-NEXT: - Index: 14
; CHECK-NEXT: Name: .Lregister_call_dtors.4000
; CHECK-NEXT: - Index: 15
; CHECK-NEXT: Name: myctor
; CHECK-NEXT: - Index: 16
; CHECK-NEXT: Name: mydtor
; CHECK-NEXT: - Index: 17
; CHECK-NEXT: Name: .Lcall_dtors.101
; CHECK-NEXT: - Index: 18
; CHECK-NEXT: Name: .Lregister_call_dtors.101
; CHECK-NEXT: - Index: 19
; CHECK-NEXT: Name: .Lcall_dtors.202
; CHECK-NEXT: - Index: 20
; CHECK-NEXT: Name: .Lregister_call_dtors.202
; CHECK-NEXT: - Index: 21
; CHECK-NEXT: Name: .Lcall_dtors.2002
; CHECK-NEXT: - Index: 22
; CHECK-NEXT: Name: .Lregister_call_dtors.2002
; CHECK-NEXT: ...
; RUN: wasm-ld -r %t.o %t.global-ctor-dtor.o -o %t.reloc.wasm
; RUN: llvm-readobj --symbols --sections %t.reloc.wasm | FileCheck -check-prefix=RELOC %s
; RELOC: Name: linking
; RELOC-NEXT: InitFunctions [
; RELOC-NEXT: 0 (priority=101)
; RELOC-NEXT: 1 (priority=101)
; RELOC-NEXT: 14 (priority=101)
; RELOC-NEXT: 10 (priority=101)
; RELOC-NEXT: 20 (priority=101)
; RELOC-NEXT: 10 (priority=202)
; RELOC-NEXT: 22 (priority=202)
; RELOC-NEXT: 0 (priority=1001)
; RELOC-NEXT: 16 (priority=1001)
; RELOC-NEXT: 10 (priority=2002)
; RELOC-NEXT: 24 (priority=2002)
; RELOC-NEXT: 9 (priority=4000)
; RELOC-NEXT: 18 (priority=4000)
; RELOC-NEXT: ]