1// This test checks that the SEH directives emit the correct unwind data. 2 3// RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -s -u -r | FileCheck %s 4 5// CHECK: Sections [ 6// CHECK: Section { 7// CHECK: Name: .text 8// CHECK: RelocationCount: 0 9// CHECK: Characteristics [ 10// CHECK-NEXT: ALIGN_4BYTES 11// CHECK-NEXT: CNT_CODE 12// CHECK-NEXT: MEM_EXECUTE 13// CHECK-NEXT: MEM_READ 14// CHECK-NEXT: ] 15// CHECK-NEXT: } 16// CHECK: Section { 17// CHECK: Name: .xdata 18// CHECK: RawDataSize: 52 19// CHECK: RelocationCount: 4 20// CHECK: Characteristics [ 21// CHECK-NEXT: ALIGN_4BYTES 22// CHECK-NEXT: CNT_INITIALIZED_DATA 23// CHECK-NEXT: MEM_READ 24// CHECK-NEXT: ] 25// CHECK-NEXT: } 26// CHECK: Section { 27// CHECK: Name: .pdata 28// CHECK: RelocationCount: 9 29// CHECK: Characteristics [ 30// CHECK-NEXT: ALIGN_4BYTES 31// CHECK-NEXT: CNT_INITIALIZED_DATA 32// CHECK-NEXT: MEM_READ 33// CHECK-NEXT: ] 34// CHECK-NEXT: } 35// CHECK-NEXT: ] 36 37// CHECK-NEXT: Relocations [ 38// CHECK-NEXT: Section (2) .xdata { 39// CHECK-NEXT: 0x14 IMAGE_REL_AMD64_ADDR32NB __C_specific_handler 40// CHECK-NEXT: 0x20 IMAGE_REL_AMD64_ADDR32NB func 41// CHECK-NEXT: 0x24 IMAGE_REL_AMD64_ADDR32NB func 42// CHECK-NEXT: 0x28 IMAGE_REL_AMD64_ADDR32NB .xdata 43// CHECK-NEXT: } 44// CHECK-NEXT: Section (3) .pdata { 45// CHECK-NEXT: 0x0 IMAGE_REL_AMD64_ADDR32NB func 46// CHECK-NEXT: 0x4 IMAGE_REL_AMD64_ADDR32NB func 47// CHECK-NEXT: 0x8 IMAGE_REL_AMD64_ADDR32NB .xdata 48// CHECK-NEXT: 0xC IMAGE_REL_AMD64_ADDR32NB func 49// CHECK-NEXT: 0x10 IMAGE_REL_AMD64_ADDR32NB func 50// CHECK-NEXT: 0x14 IMAGE_REL_AMD64_ADDR32NB .xdata 51// CHECK-NEXT: 0x18 IMAGE_REL_AMD64_ADDR32NB smallFunc 52// CHECK-NEXT: 0x1C IMAGE_REL_AMD64_ADDR32NB smallFunc 53// CHECK-NEXT: 0x20 IMAGE_REL_AMD64_ADDR32NB .xdata 54// CHECK-NEXT: } 55// CHECK-NEXT: ] 56 57 58// CHECK: UnwindInformation [ 59// CHECK-NEXT: RuntimeFunction { 60// CHECK-NEXT: StartAddress: [[CodeSect1:[^ ]+]] [[BeginDisp1:(\+0x[A-F0-9]+)?]] 61// CHECK-NEXT: EndAddress: [[CodeSect1]] [[EndDisp1:(\+0x[A-F0-9]+)?]] 62// CHECK-NEXT: UnwindInfoAddress: 63// CHECK-NEXT: UnwindInfo { 64// CHECK-NEXT: Version: 1 65// CHECK-NEXT: Flags [ 66// CHECK-NEXT: ExceptionHandler 67// CHECK-NEXT: ] 68// CHECK-NEXT: PrologSize: 18 69// CHECK-NEXT: FrameRegister: RBX 70// CHECK-NEXT: FrameOffset: 0x0 71// CHECK-NEXT: UnwindCodeCount: 8 72// CHECK-NEXT: UnwindCodes [ 73// CHECK-NEXT: 0x12: SET_FPREG reg=RBX, offset=0x0 74// CHECK-NEXT: 0x0F: PUSH_NONVOL reg=RBX 75// CHECK-NEXT: 0x0E: SAVE_XMM128 reg=XMM8, offset=0x0 76// CHECK-NEXT: 0x09: SAVE_NONVOL reg=RSI, offset=0x10 77// CHECK-NEXT: 0x04: ALLOC_SMALL size=24 78// CHECK-NEXT: 0x00: PUSH_MACHFRAME errcode=yes 79// CHECK-NEXT: ] 80// CHECK-NEXT: Handler: __C_specific_handler 81// CHECK-NEXT: } 82// CHECK-NEXT: } 83// CHECK-NEXT: RuntimeFunction { 84// CHECK-NEXT: StartAddress: [[CodeSect2:[^ ]+]] [[BeginDisp2:(\+0x[A-F0-9]+)?]] 85// CHECK-NEXT: EndAddress: [[CodeSect2]] [[BeginDisp2:(\+0x[A-F0-9]+)?]] 86// CHECK-NEXT: UnwindInfoAddress: 87// CHECK-NEXT: UnwindInfo { 88// CHECK-NEXT: Version: 1 89// CHECK-NEXT: Flags [ 90// CHECK-NEXT: ChainInfo 91// CHECK-NEXT: ] 92// CHECK-NEXT: PrologSize: 0 93// CHECK-NEXT: FrameRegister: - 94// CHECK-NEXT: FrameOffset: - 95// CHECK-NEXT: UnwindCodeCount: 0 96// CHECK-NEXT: UnwindCodes [ 97// CHECK-NEXT: ] 98// CHECK-NEXT: Chained { 99// CHECK-NEXT: StartAddress: [[CodeSect1]] [[BeginDisp1]] 100// CHECK-NEXT: EndAddress: [[CodeSect1]] [[EndDisp1]] 101// CHECK-NEXT: UnwindInfoAddress: 102// CHECK-NEXT: } 103// CHECK-NEXT: } 104// CHECK-NEXT: } 105// CHECK-NEXT: RuntimeFunction { 106// CHECK-NEXT: StartAddress: [[CodeSect3:[^ ]+]] [[BeginDisp3:(\+0x[A-F0-9]+)?]] 107// CHECK-NEXT: EndAddress: [[CodeSect3]] [[BeginDisp3:(\+0x[A-F0-9]+)?]] 108// CHECK-NEXT: UnwindInfoAddress: 109// CHECK-NEXT: UnwindInfo { 110// CHECK-NEXT: Version: 1 111// CHECK-NEXT: Flags [ 112// CHECK-NEXT: ] 113// CHECK-NEXT: PrologSize: 0 114// CHECK-NEXT: FrameRegister: - 115// CHECK-NEXT: FrameOffset: - 116// CHECK-NEXT: UnwindCodeCount: 0 117// CHECK-NEXT: UnwindCodes [ 118// CHECK-NEXT: ] 119// CHECK-NEXT: } 120// CHECK-NEXT: } 121// CHECK-NEXT: ] 122 123 .text 124 .globl func 125 .def func; .scl 2; .type 32; .endef 126 .seh_proc func 127func: 128 .seh_pushframe @code 129 subq $24, %rsp 130 .seh_stackalloc 24 131 movq %rsi, 16(%rsp) 132 .seh_savereg %rsi, 16 133 movups %xmm8, (%rsp) 134 .seh_savexmm %xmm8, 0 135 pushq %rbx 136 .seh_pushreg 3 137 mov %rsp, %rbx 138 .seh_setframe 3, 0 139 .seh_endprologue 140 .seh_handler __C_specific_handler, @except 141 .seh_handlerdata 142 .long 0 143 .text 144 .seh_startchained 145 .seh_endprologue 146 .seh_endchained 147 lea (%rbx), %rsp 148 pop %rbx 149 addq $24, %rsp 150 ret 151 .seh_endproc 152 153// Test emission of small functions. 154 .globl smallFunc 155 .def smallFunc; .scl 2; .type 32; .endef 156 .seh_proc smallFunc 157smallFunc: 158 ret 159 .seh_endproc 160