seh.s
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// This test checks that the SEH directives emit the correct unwind data.
// RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -S -u -r - | FileCheck %s
// CHECK: Sections [
// CHECK: Section {
// CHECK: Name: .text
// CHECK: RelocationCount: 0
// CHECK: Characteristics [
// CHECK-NEXT: ALIGN_4BYTES
// CHECK-NEXT: CNT_CODE
// CHECK-NEXT: MEM_EXECUTE
// CHECK-NEXT: MEM_READ
// CHECK-NEXT: ]
// CHECK-NEXT: }
// CHECK: Section {
// CHECK: Name: .xdata
// CHECK: RawDataSize: 52
// CHECK: RelocationCount: 4
// CHECK: Characteristics [
// CHECK-NEXT: ALIGN_4BYTES
// CHECK-NEXT: CNT_INITIALIZED_DATA
// CHECK-NEXT: MEM_READ
// CHECK-NEXT: ]
// CHECK-NEXT: }
// CHECK: Section {
// CHECK: Name: .pdata
// CHECK: RelocationCount: 9
// CHECK: Characteristics [
// CHECK-NEXT: ALIGN_4BYTES
// CHECK-NEXT: CNT_INITIALIZED_DATA
// CHECK-NEXT: MEM_READ
// CHECK-NEXT: ]
// CHECK-NEXT: }
// CHECK-NEXT: ]
// CHECK-NEXT: Relocations [
// CHECK-NEXT: Section (4) .xdata {
// CHECK-NEXT: 0x14 IMAGE_REL_AMD64_ADDR32NB __C_specific_handler
// CHECK-NEXT: 0x20 IMAGE_REL_AMD64_ADDR32NB func
// CHECK-NEXT: 0x24 IMAGE_REL_AMD64_ADDR32NB func
// CHECK-NEXT: 0x28 IMAGE_REL_AMD64_ADDR32NB .xdata
// CHECK-NEXT: }
// CHECK-NEXT: Section (5) .pdata {
// CHECK-NEXT: 0x0 IMAGE_REL_AMD64_ADDR32NB func
// CHECK-NEXT: 0x4 IMAGE_REL_AMD64_ADDR32NB func
// CHECK-NEXT: 0x8 IMAGE_REL_AMD64_ADDR32NB .xdata
// CHECK-NEXT: 0xC IMAGE_REL_AMD64_ADDR32NB func
// CHECK-NEXT: 0x10 IMAGE_REL_AMD64_ADDR32NB func
// CHECK-NEXT: 0x14 IMAGE_REL_AMD64_ADDR32NB .xdata
// CHECK-NEXT: 0x18 IMAGE_REL_AMD64_ADDR32NB smallFunc
// CHECK-NEXT: 0x1C IMAGE_REL_AMD64_ADDR32NB smallFunc
// CHECK-NEXT: 0x20 IMAGE_REL_AMD64_ADDR32NB .xdata
// CHECK-NEXT: }
// CHECK-NEXT: ]
// CHECK: UnwindInformation [
// CHECK-NEXT: RuntimeFunction {
// CHECK-NEXT: StartAddress: [[CodeSect1:[^ ]+]] [[BeginDisp1:(\+0x[A-F0-9]+)?]]
// CHECK-NEXT: EndAddress: [[CodeSect1]] [[EndDisp1:(\+0x[A-F0-9]+)?]]
// CHECK-NEXT: UnwindInfoAddress:
// CHECK-NEXT: UnwindInfo {
// CHECK-NEXT: Version: 1
// CHECK-NEXT: Flags [
// CHECK-NEXT: ExceptionHandler
// CHECK-NEXT: ]
// CHECK-NEXT: PrologSize: 18
// CHECK-NEXT: FrameRegister: RBX
// CHECK-NEXT: FrameOffset: 0x0
// CHECK-NEXT: UnwindCodeCount: 8
// CHECK-NEXT: UnwindCodes [
// CHECK-NEXT: 0x12: SET_FPREG reg=RBX, offset=0x0
// CHECK-NEXT: 0x0F: PUSH_NONVOL reg=RBX
// CHECK-NEXT: 0x0E: SAVE_XMM128 reg=XMM8, offset=0x0
// CHECK-NEXT: 0x09: SAVE_NONVOL reg=RSI, offset=0x10
// CHECK-NEXT: 0x04: ALLOC_SMALL size=24
// CHECK-NEXT: 0x00: PUSH_MACHFRAME errcode=yes
// CHECK-NEXT: ]
// CHECK-NEXT: Handler: __C_specific_handler
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: RuntimeFunction {
// CHECK-NEXT: StartAddress: [[CodeSect2:[^ ]+]] [[BeginDisp2:(\+0x[A-F0-9]+)?]]
// CHECK-NEXT: EndAddress: [[CodeSect2]] [[BeginDisp2:(\+0x[A-F0-9]+)?]]
// CHECK-NEXT: UnwindInfoAddress:
// CHECK-NEXT: UnwindInfo {
// CHECK-NEXT: Version: 1
// CHECK-NEXT: Flags [
// CHECK-NEXT: ChainInfo
// CHECK-NEXT: ]
// CHECK-NEXT: PrologSize: 0
// CHECK-NEXT: FrameRegister: -
// CHECK-NEXT: FrameOffset: -
// CHECK-NEXT: UnwindCodeCount: 0
// CHECK-NEXT: UnwindCodes [
// CHECK-NEXT: ]
// CHECK-NEXT: Chained {
// CHECK-NEXT: StartAddress: [[CodeSect1]] [[BeginDisp1]]
// CHECK-NEXT: EndAddress: [[CodeSect1]] [[EndDisp1]]
// CHECK-NEXT: UnwindInfoAddress:
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: RuntimeFunction {
// CHECK-NEXT: StartAddress: [[CodeSect3:[^ ]+]] [[BeginDisp3:(\+0x[A-F0-9]+)?]]
// CHECK-NEXT: EndAddress: [[CodeSect3]] [[BeginDisp3:(\+0x[A-F0-9]+)?]]
// CHECK-NEXT: UnwindInfoAddress:
// CHECK-NEXT: UnwindInfo {
// CHECK-NEXT: Version: 1
// CHECK-NEXT: Flags [
// CHECK-NEXT: ]
// CHECK-NEXT: PrologSize: 0
// CHECK-NEXT: FrameRegister: -
// CHECK-NEXT: FrameOffset: -
// CHECK-NEXT: UnwindCodeCount: 0
// CHECK-NEXT: UnwindCodes [
// CHECK-NEXT: ]
// CHECK-NEXT: }
// CHECK-NEXT: }
// CHECK-NEXT: ]
.text
.globl func
.def func; .scl 2; .type 32; .endef
.seh_proc func
func:
.seh_pushframe @code
subq $24, %rsp
.seh_stackalloc 24
movq %rsi, 16(%rsp)
.seh_savereg %rsi, 16
movups %xmm8, (%rsp)
.seh_savexmm %xmm8, 0
pushq %rbx
.seh_pushreg %rbx
mov %rsp, %rbx
.seh_setframe 3, 0
.seh_endprologue
.seh_handler __C_specific_handler, @except
.seh_handlerdata
.long 0
.text
.seh_startchained
.seh_endprologue
.seh_endchained
lea (%rbx), %rsp
pop %rbx
addq $24, %rsp
ret
.seh_endproc
// Test emission of small functions.
.globl smallFunc
.def smallFunc; .scl 2; .type 32; .endef
.seh_proc smallFunc
smallFunc:
ret
.seh_endproc