| // 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 |
