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For alignment purposes, the instruction array will always have an even number of entries, with the final entry potentially unused (in which case the array will be one longer than indicated by the count of unwind codes field). Reviewed by Anton Korobeynikov, Charles Davis and Nico Rieck. llvm-svn: 190767
66 lines
2.3 KiB
ArmAsm
66 lines
2.3 KiB
ArmAsm
// This test checks the alignment and padding of the unwind info.
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// RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -s -sd -sr -u | FileCheck %s
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// CHECK: Sections [
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// CHECK: Section {
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// CHECK: Name: .xdata
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// CHECK: RawDataSize: 8
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// CHECK: RelocationCount: 0
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// CHECK: Characteristics [
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// CHECK-NEXT: ALIGN_4BYTES
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// CHECK-NEXT: CNT_INITIALIZED_DATA
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// CHECK-NEXT: MEM_READ
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// CHECK-NEXT: ]
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// CHECK: Relocations [
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// CHECK-NEXT: ]
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// CHECK: SectionData (
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// CHECK-NEXT: 0000: 01000000 00000000
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// CHECK-NEXT: )
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// CHECK-NEXT: }
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// CHECK: Section {
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// CHECK: Name: .pdata
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// CHECK: RawDataSize: 12
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// CHECK: RelocationCount: 3
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// CHECK: Characteristics [
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// CHECK-NEXT: IMAGE_SCN_ALIGN_4BYTES
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// CHECK-NEXT: IMAGE_SCN_CNT_INITIALIZED_DATA
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// CHECK-NEXT: IMAGE_SCN_MEM_READ
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// CHECK-NEXT: ]
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// CHECK: Relocations [
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// CHECK-NEXT: [[BeginDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB smallFunc
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// CHECK-NEXT: [[EndDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB smallFunc
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// CHECK-NEXT: [[UnwindDisp:0x[A-F0-9]+]] IMAGE_REL_AMD64_ADDR32NB .xdata
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// CHECK-NEXT: ]
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// CHECK: SectionData (
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// CHECK-NEXT: 0000: 00000000 01000000 00000000
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// CHECK-NEXT: )
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// CHECK-NEXT: }
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// CHECK: UnwindInformation [
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// CHECK-NEXT: RuntimeFunction {
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// CHECK-NEXT: StartAddress: smallFunc {{(\+0x[A-F0-9]+ )?}}([[BeginDisp]])
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// CHECK-NEXT: EndAddress: smallFunc {{(\+0x[A-F0-9]+ )?}}([[EndDisp]])
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// CHECK-NEXT: UnwindInfoAddress: .xdata {{(\+0x[A-F0-9]+ )?}}([[UnwindDisp]])
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// CHECK-NEXT: UnwindInfo {
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// CHECK-NEXT: Version: 1
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// CHECK-NEXT: Flags [
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// CHECK-NEXT: ]
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// CHECK-NEXT: PrologSize: 0
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// CHECK-NEXT: FrameRegister: -
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// CHECK-NEXT: FrameOffset: -
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// CHECK-NEXT: UnwindCodeCount: 0
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// CHECK-NEXT: UnwindCodes [
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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// Generate the minimal unwind info.
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// It contains only the version set to 1. All other bytes are 0.
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.globl smallFunc
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.def smallFunc; .scl 2; .type 32; .endef
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.seh_proc smallFunc
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smallFunc:
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ret
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.seh_endproc
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