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69 lines
2.2 KiB
69 lines
2.2 KiB
4 months ago
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; RUN: llc -relocation-model=pic -mattr=+mutable-globals -filetype=obj %s -o %t.o
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; RUN: wasm-ld --no-gc-sections --allow-undefined --experimental-pic -pie -o %t.wasm %t.o
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; RUN: obj2yaml %t.wasm | FileCheck %s
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target triple = "wasm32-unknown-emscripten"
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@data = global i32 2, align 4
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@data_external = external global i32
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@indirect_func = local_unnamed_addr global i32 ()* @foo, align 4
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@data_addr = local_unnamed_addr global i32* @data, align 4
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@data_addr_external = local_unnamed_addr global i32* @data_external, align 4
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define hidden i32 @foo() {
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entry:
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; To ensure we use __stack_pointer
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%ptr = alloca i32
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%0 = load i32, i32* @data, align 4
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%1 = load i32 ()*, i32 ()** @indirect_func, align 4
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call i32 %1()
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ret i32 %0
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}
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define default i32** @get_data_address() {
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entry:
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ret i32** @data_addr_external
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}
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define void @_start() {
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ret void
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}
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; CHECK: Sections:
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; CHECK-NEXT: - Type: CUSTOM
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; CHECK-NEXT: Name: dylink
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; CHECK-NEXT: MemorySize: 16
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; CHECK-NEXT: MemoryAlignment: 2
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; CHECK-NEXT: TableSize: 1
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; CHECK-NEXT: TableAlignment: 0
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; CHECK-NEXT: Needed: []
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; CHECK: - Type: IMPORT
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; CHECK-NEXT: Imports:
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; CHECK-NEXT: - Module: env
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; CHECK-NEXT: Field: __indirect_function_table
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; CHECK-NEXT: Kind: TABLE
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; CHECK-NEXT: Table:
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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: Initial: 0x1
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; CHECK-NEXT: - Module: env
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; CHECK-NEXT: Field: __stack_pointer
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; CHECK-NEXT: Kind: GLOBAL
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; CHECK-NEXT: GlobalType: I32
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; CHECK-NEXT: GlobalMutable: true
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; CHECK-NEXT: - Module: env
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; CHECK-NEXT: Field: __memory_base
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; CHECK-NEXT: Kind: GLOBAL
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; CHECK-NEXT: GlobalType: I32
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; CHECK-NEXT: GlobalMutable: false
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; CHECK-NEXT: - Module: env
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; CHECK-NEXT: Field: __table_base
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; CHECK-NEXT: Kind: GLOBAL
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; CHECK-NEXT: GlobalType: I32
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; CHECK-NEXT: GlobalMutable: false
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