forked from OSchip/llvm-project
136 lines
5.0 KiB
LLVM
136 lines
5.0 KiB
LLVM
; RUN: llc -relocation-model=pic -mattr=+mutable-globals -filetype=obj %s -o %t.o
|
|
; RUN: wasm-ld --no-gc-sections --experimental-pic -pie -o %t.wasm %t.o
|
|
; RUN: obj2yaml %t.wasm | FileCheck %s
|
|
; RUN: llvm-objdump --disassemble-symbols=__wasm_start --no-show-raw-insn --no-leading-addr %t.wasm | FileCheck %s --check-prefixes DISASSEM
|
|
|
|
target triple = "wasm32-unknown-emscripten"
|
|
|
|
@data = global i32 2, align 4
|
|
@data_external = external global i32
|
|
@indirect_func = local_unnamed_addr global i32 ()* @foo, align 4
|
|
|
|
@data_addr = local_unnamed_addr global i32* @data, align 4
|
|
@data_addr_external = local_unnamed_addr global i32* @data_external, align 4
|
|
|
|
define hidden i32 @foo() {
|
|
entry:
|
|
; To ensure we use __stack_pointer
|
|
%ptr = alloca i32
|
|
%0 = load i32, i32* @data, align 4
|
|
%1 = load i32 ()*, i32 ()** @indirect_func, align 4
|
|
call i32 %1()
|
|
ret i32 %0
|
|
}
|
|
|
|
define default i32** @get_data_address() {
|
|
entry:
|
|
ret i32** @data_addr_external
|
|
}
|
|
|
|
define void @_start() {
|
|
call void @external_func()
|
|
ret void
|
|
}
|
|
|
|
declare void @external_func()
|
|
|
|
; CHECK: Sections:
|
|
; CHECK-NEXT: - Type: CUSTOM
|
|
; CHECK-NEXT: Name: dylink.0
|
|
; CHECK-NEXT: MemorySize: 16
|
|
; CHECK-NEXT: MemoryAlignment: 2
|
|
; CHECK-NEXT: TableSize: 1
|
|
; CHECK-NEXT: TableAlignment: 0
|
|
; CHECK-NEXT: Needed: []
|
|
|
|
; CHECK: - Type: IMPORT
|
|
; CHECK-NEXT: Imports:
|
|
; CHECK-NEXT: - Module: env
|
|
; CHECK-NEXT: Field: __indirect_function_table
|
|
; CHECK-NEXT: Kind: TABLE
|
|
; CHECK-NEXT: Table:
|
|
; CHECK-NEXT: Index: 0
|
|
; CHECK-NEXT: ElemType: FUNCREF
|
|
; CHECK-NEXT: Limits:
|
|
; CHECK-NEXT: Minimum: 0x1
|
|
; CHECK-NEXT: - Module: env
|
|
; CHECK-NEXT: Field: __stack_pointer
|
|
; CHECK-NEXT: Kind: GLOBAL
|
|
; CHECK-NEXT: GlobalType: I32
|
|
; CHECK-NEXT: GlobalMutable: true
|
|
; CHECK-NEXT: - Module: env
|
|
; CHECK-NEXT: Field: __memory_base
|
|
; CHECK-NEXT: Kind: GLOBAL
|
|
; CHECK-NEXT: GlobalType: I32
|
|
; CHECK-NEXT: GlobalMutable: false
|
|
; CHECK-NEXT: - Module: env
|
|
; CHECK-NEXT: Field: __table_base
|
|
; CHECK-NEXT: Kind: GLOBAL
|
|
; CHECK-NEXT: GlobalType: I32
|
|
; CHECK-NEXT: GlobalMutable: false
|
|
|
|
; CHECK: - Type: START
|
|
; CHECK-NEXT: StartFunction: 4
|
|
|
|
; CHECK: - Type: CUSTOM
|
|
; CHECK-NEXT: Name: name
|
|
; CHECK-NEXT: FunctionNames:
|
|
; CHECK-NEXT: - Index: 0
|
|
; CHECK-NEXT: Name: external_func
|
|
; CHECK-NEXT: - Index: 1
|
|
; CHECK-NEXT: Name: __wasm_call_ctors
|
|
; CHECK-NEXT: - Index: 2
|
|
; CHECK-NEXT: Name: __wasm_apply_data_relocs
|
|
; CHECK-NEXT: - Index: 3
|
|
; CHECK-NEXT: Name: __wasm_apply_global_relocs
|
|
; CHECK-NEXT: - Index: 4
|
|
; CHECK-NEXT: Name: __wasm_start
|
|
|
|
; DISASSEM: <__wasm_start>:
|
|
; DISASSEM-EMPTY:
|
|
; DISASSEM-NEXT: call 2
|
|
; DISASSEM-NEXT: call 3
|
|
; DISASSEM-NEXT: end
|
|
|
|
; Run the same test with threading support. In this mode
|
|
; we expect __wasm_init_memory and __wasm_apply_data_relocs
|
|
; to be generated along with __wasm_start as the start
|
|
; function.
|
|
|
|
; RUN: llc -relocation-model=pic -mattr=+mutable-globals,+atomics,+bulk-memory -filetype=obj %s -o %t.shmem.o
|
|
; RUN: wasm-ld --no-gc-sections --shared-memory --allow-undefined --experimental-pic -pie -o %t.shmem.wasm %t.shmem.o
|
|
; RUN: obj2yaml %t.shmem.wasm | FileCheck %s --check-prefix=SHMEM
|
|
; RUN: llvm-objdump --disassemble-symbols=__wasm_start --no-show-raw-insn --no-leading-addr %t.shmem.wasm | FileCheck %s --check-prefixes DISASSEM-SHMEM
|
|
|
|
; SHMEM: - Type: START
|
|
; SHMEM-NEXT: StartFunction: 6
|
|
|
|
; DISASSEM-SHMEM: <__wasm_start>:
|
|
; DISASSEM-SHMEM-EMPTY:
|
|
; DISASSEM-SHMEM-NEXT: call 3
|
|
; DISASSEM-SHMEM-NEXT: call 5
|
|
; DISASSEM-SHMEM-NEXT: end
|
|
|
|
; SHMEM: FunctionNames:
|
|
; SHMEM-NEXT: - Index: 0
|
|
; SHMEM-NEXT: Name: external_func
|
|
; SHMEM-NEXT: - Index: 1
|
|
; SHMEM-NEXT: Name: __wasm_call_ctors
|
|
; SHMEM-NEXT: - Index: 2
|
|
; SHMEM-NEXT: Name: __wasm_init_tls
|
|
; SHMEM-NEXT: - Index: 3
|
|
; SHMEM-NEXT: Name: __wasm_init_memory
|
|
; SHMEM-NEXT: - Index: 4
|
|
; SHMEM-NEXT: Name: __wasm_apply_data_relocs
|
|
; SHMEM-NEXT: - Index: 5
|
|
; SHMEM-NEXT: Name: __wasm_apply_global_relocs
|
|
; SHMEM-NEXT: - Index: 6
|
|
; SHMEM-NEXT: Name: __wasm_start
|
|
; SHMEM-NEXT: - Index: 7
|
|
; SHMEM-NEXT: Name: foo
|
|
; SHMEM-NEXT: - Index: 8
|
|
; SHMEM-NEXT: Name: get_data_address
|
|
; SHMEM-NEXT: - Index: 9
|
|
; SHMEM-NEXT: Name: _start
|
|
|