1 // This test checks the alignment and padding of the unwind info. 2 3 // RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -s -sd -sr -u | FileCheck %s 4 5 // CHECK: Sections [ 6 // CHECK: Section { 7 // CHECK: Name: .xdata 8 // CHECK: RawDataSize: 8 9 // CHECK: RelocationCount: 0 10 // CHECK: Characteristics [ 11 // CHECK-NEXT: ALIGN_4BYTES 12 // CHECK-NEXT: CNT_INITIALIZED_DATA 13 // CHECK-NEXT: MEM_READ 14 // CHECK-NEXT: ] 15 // CHECK: Relocations [ 16 // CHECK-NEXT: ] 17 // CHECK: SectionData ( 18 // CHECK-NEXT: 0000: 01000000 00000000 19 // CHECK-NEXT: ) 20 // CHECK-NEXT: } 21 // CHECK: Section { 22 // CHECK: Name: .pdata 23 // CHECK: RawDataSize: 12 24 // CHECK: RelocationCount: 3 25 // CHECK: Characteristics [ 26 // CHECK-NEXT: IMAGE_SCN_ALIGN_4BYTES 27 // CHECK-NEXT: IMAGE_SCN_CNT_INITIALIZED_DATA 28 // CHECK-NEXT: IMAGE_SCN_MEM_READ 29 // CHECK-NEXT: ] 30 // CHECK: Relocations [ 31 // CHECK-NEXT: [[BeginDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB smallFunc 32 // CHECK-NEXT: [[EndDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB smallFunc 33 // CHECK-NEXT: [[UnwindDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB .xdata 34 // CHECK-NEXT: ] 35 // CHECK: SectionData ( 36 // CHECK-NEXT: 0000: 00000000 01000000 00000000 37 // CHECK-NEXT: ) 38 // CHECK-NEXT: } 39 // CHECK: UnwindInformation [ 40 // CHECK-NEXT: RuntimeFunction { 41 // CHECK-NEXT: StartAddress: smallFunc {{(\+0x[A-F0-9]+ )?}}([[BeginDisp]]) 42 // CHECK-NEXT: EndAddress: smallFunc {{(\+0x[A-F0-9]+ )?}}([[EndDisp]]) 43 // CHECK-NEXT: UnwindInfoAddress: .xdata {{(\+0x[A-F0-9]+ )?}}([[UnwindDisp]]) 44 // CHECK-NEXT: UnwindInfo { 45 // CHECK-NEXT: Version: 1 46 // CHECK-NEXT: Flags [ 47 // CHECK-NEXT: ] 48 // CHECK-NEXT: PrologSize: 0 49 // CHECK-NEXT: FrameRegister: - 50 // CHECK-NEXT: FrameOffset: - 51 // CHECK-NEXT: UnwindCodeCount: 0 52 // CHECK-NEXT: UnwindCodes [ 53 // CHECK-NEXT: ] 54 // CHECK-NEXT: } 55 // CHECK-NEXT: } 56 // CHECK-NEXT: ] 57 58 // Generate the minimal unwind info. 59 // It contains only the version set to 1. All other bytes are 0. 60 .globl smallFunc 61 .def smallFunc; .scl 2; .type 32; .endef 62 .seh_proc smallFunc 63 smallFunc: 64 ret 65 .seh_endproc 66
