// This test checks the alignment and padding of the unwind info. // RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -S --sd --sr -u - | FileCheck %s // CHECK: Sections [ // CHECK: Section { // CHECK: Name: .xdata // CHECK: RawDataSize: 16 // CHECK: RelocationCount: 1 // CHECK: Characteristics [ // CHECK-NEXT: ALIGN_4BYTES // CHECK-NEXT: CNT_INITIALIZED_DATA // CHECK-NEXT: MEM_READ // CHECK-NEXT: ] // CHECK: Relocations [ // CHECK-NEXT: [[HandlerDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB __C_specific_handler // CHECK-NEXT: ] // CHECK: SectionData ( // CHECK-NEXT: 0000: 09000100 04220000 00000000 BEBAFECA // CHECK-NEXT: ) // CHECK-NEXT: } // CHECK-NEXT: Section { // CHECK: Name: .pdata // CHECK: RawDataSize: 12 // CHECK: RelocationCount: 3 // CHECK: Characteristics [ // CHECK-NEXT: IMAGE_SCN_ALIGN_4BYTES // CHECK-NEXT: IMAGE_SCN_CNT_INITIALIZED_DATA // CHECK-NEXT: IMAGE_SCN_MEM_READ // CHECK-NEXT: ] // CHECK: Relocations [ // CHECK-NEXT: [[BeginDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB func // CHECK-NEXT: [[EndDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB func // CHECK-NEXT: [[UnwindDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB .xdata // CHECK-NEXT: ] // CHECK: SectionData ( // CHECK-NEXT: 0000: FCFFFFFF 05000000 00000000 // CHECK-NEXT: ) // CHECK-NEXT: } // CHECK-NEXT: ] // CHECK: UnwindInformation [ // CHECK-NEXT: RuntimeFunction { // CHECK-NEXT: StartAddress: func {{(\+0x[A-F0-9]+ )?}}([[BeginDisp]]) // CHECK-NEXT: EndAddress: func {{(\+0x[A-F0-9]+ )?}}([[EndDisp]]) // CHECK-NEXT: UnwindInfoAddress: .xdata {{(\+0x[A-F0-9]+ )?}}([[UnwindDisp]]) // CHECK-NEXT: UnwindInfo { // CHECK-NEXT: Version: 1 // CHECK-NEXT: Flags [ // CHECK-NEXT: ExceptionHandler // CHECK-NEXT: ] // CHECK-NEXT: PrologSize: 0 // CHECK-NEXT: FrameRegister: - // CHECK-NEXT: FrameOffset: - // CHECK-NEXT: UnwindCodeCount: 1 // CHECK-NEXT: UnwindCodes [ // CHECK-NEXT: 0x04: ALLOC_SMALL size=24 // CHECK-NEXT: ] // CHECK-NEXT: Handler: __C_specific_handler ([[HandlerDisp]]) // CHECK-NEXT: } // CHECK-NEXT: } // CHECK-NEXT: ] // Generates only one unwind code. // Requires padding of the unwind code array. .globl func .def func; .scl 2; .type 32; .endef .seh_proc func subq $24, %rsp .seh_stackalloc 24 .seh_handler __C_specific_handler, @except .seh_handlerdata .long 0xcafebabe .text .seh_endprologue func: addq $24, %rsp ret .seh_endproc