// 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