| // 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 .text |
| // CHECK-NEXT: 0x24 IMAGE_REL_AMD64_ADDR32NB .text |
| // CHECK-NEXT: 0x28 IMAGE_REL_AMD64_ADDR32NB .xdata |
| // CHECK-NEXT: } |
| // CHECK-NEXT: Section (5) .pdata { |
| // CHECK-NEXT: 0x0 IMAGE_REL_AMD64_ADDR32NB .text |
| // CHECK-NEXT: 0x4 IMAGE_REL_AMD64_ADDR32NB .text |
| // CHECK-NEXT: 0x8 IMAGE_REL_AMD64_ADDR32NB .xdata |
| // CHECK-NEXT: 0xC IMAGE_REL_AMD64_ADDR32NB .text |
| // CHECK-NEXT: 0x10 IMAGE_REL_AMD64_ADDR32NB .text |
| // CHECK-NEXT: 0x14 IMAGE_REL_AMD64_ADDR32NB .xdata |
| // CHECK-NEXT: 0x18 IMAGE_REL_AMD64_ADDR32NB .text |
| // CHECK-NEXT: 0x1C IMAGE_REL_AMD64_ADDR32NB .text |
| // 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 |