derek.holloway
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119 lines
4.2 KiB
YAML
119 lines
4.2 KiB
YAML
# RUN: yaml2obj %s -o %t.obj
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# RUN: llvm-readobj --unwind %t.obj | FileCheck %s
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## T14: V3 unwind info in a relocatable object file (.obj).
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## This tests the relocation-based resolution path where .pdata fields
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## are zero and relocations point to the actual symbols.
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##
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## Uses the same V3 xdata as T2 (single epilog mirroring prolog):
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## .xdata = 030B0823070200181400000006000405 38343C00
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##
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## .pdata layout (12 bytes, all zeros — resolved via relocations):
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## +0: 00000000 StartAddress → reloc to func
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## +4: 00000000 EndAddress → reloc to func (addend 0x20 in SectionData)
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## +8: 00000000 UnwindInfoOffset → reloc to .xdata
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# CHECK-LABEL: UnwindInformation [
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# CHECK-NEXT: RuntimeFunction {
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# CHECK-NEXT: StartAddress: func
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# CHECK: EndAddress: func +0x20
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# CHECK: UnwindInfoAddress: .xdata
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# CHECK: UnwindInfo {
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# CHECK-NEXT: Version: 3
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# CHECK-NEXT: Flags [ (0x0)
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# CHECK-NEXT: ]
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# CHECK-NEXT: SizeOfProlog: 0xB
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# CHECK-NEXT: PayloadWords: 8
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# CHECK-NEXT: NumberOfOps: 3
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# CHECK-NEXT: NumberOfEpilogs: 1
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# CHECK-NEXT: Prolog [3 ops]:
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# CHECK-NEXT: [0] IP +0x0007: ALLOC_SMALL Size=0x20
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# CHECK-NEXT: [1] IP +0x0002: PUSH Reg=RSI
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# CHECK-NEXT: [2] IP +0x0000: PUSH Reg=RDI
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# CHECK-NEXT: Epilog [0] {
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# CHECK-NEXT: Flags [ (0x0)
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# CHECK-NEXT: ]
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# CHECK-NEXT: EpilogOffset: +0x14
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# CHECK-NEXT: NumberOfOps: 3
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# CHECK-NEXT: FirstOp: 0x0
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# CHECK-NEXT: IpOffsetOfLastInstruction: 0x6
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# CHECK-NEXT: [0] IP +0x0000: ALLOC_SMALL Size=0x20
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# CHECK-NEXT: [1] IP +0x0004: PUSH Reg=RSI
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# CHECK-NEXT: [2] IP +0x0005: PUSH Reg=RDI
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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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--- !COFF
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header:
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Machine: IMAGE_FILE_MACHINE_AMD64
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Characteristics: [ ]
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sections:
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- Name: .text
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Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
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Alignment: 16
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SectionData: '00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
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- Name: .xdata
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Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
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Alignment: 4
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SectionData: '030B082307020018140000000600040538343C00'
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- Name: .pdata
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Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
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Alignment: 4
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SectionData: '000000002000000000000000'
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Relocations:
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- VirtualAddress: 0
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SymbolName: func
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Type: IMAGE_REL_AMD64_ADDR32NB
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- VirtualAddress: 4
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SymbolName: func
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Type: IMAGE_REL_AMD64_ADDR32NB
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- VirtualAddress: 8
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SymbolName: .xdata
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Type: IMAGE_REL_AMD64_ADDR32NB
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symbols:
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- Name: .text
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Value: 0
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SectionNumber: 1
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SimpleType: IMAGE_SYM_TYPE_NULL
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ComplexType: IMAGE_SYM_DTYPE_NULL
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StorageClass: IMAGE_SYM_CLASS_STATIC
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SectionDefinition:
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Length: 64
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NumberOfRelocations: 0
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NumberOfLinenumbers: 0
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CheckSum: 0
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Number: 0
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- Name: .xdata
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Value: 0
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SectionNumber: 2
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SimpleType: IMAGE_SYM_TYPE_NULL
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ComplexType: IMAGE_SYM_DTYPE_NULL
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StorageClass: IMAGE_SYM_CLASS_STATIC
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SectionDefinition:
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Length: 20
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NumberOfRelocations: 0
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NumberOfLinenumbers: 0
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CheckSum: 0
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Number: 0
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- Name: .pdata
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Value: 0
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SectionNumber: 3
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SimpleType: IMAGE_SYM_TYPE_NULL
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ComplexType: IMAGE_SYM_DTYPE_NULL
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StorageClass: IMAGE_SYM_CLASS_STATIC
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SectionDefinition:
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Length: 12
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NumberOfRelocations: 3
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NumberOfLinenumbers: 0
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CheckSum: 0
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Number: 0
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- Name: func
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Value: 0
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SectionNumber: 1
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SimpleType: IMAGE_SYM_TYPE_NULL
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ComplexType: IMAGE_SYM_DTYPE_FUNCTION
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StorageClass: IMAGE_SYM_CLASS_EXTERNAL
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...
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