derek.holloway
7502bf64a4
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165 lines
6.1 KiB
YAML
165 lines
6.1 KiB
YAML
# RUN: yaml2obj %s -o %t.exe
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# RUN: llvm-objdump --unwind-info %t.exe | FileCheck %s
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## --unwind-show-wod-pool appends a raw dump of the WOD pool with byte
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## offsets, useful for seeing how the pool is shared between prolog/epilogs.
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# RUN: llvm-objdump --unwind-info --unwind-show-wod-pool %t.exe \
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# RUN: | FileCheck %s --check-prefixes=CHECK,POOL
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## T3: V3 with multiple epilogs including inheritance.
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##
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## .xdata hex breakdown:
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## Byte 0: 0x03 (Version=3, Flags=0)
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## Byte 1: 0x0B (SizeOfProlog=11)
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## Byte 2: 0x0D (PayloadWords=13 words -> 26 bytes payload)
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## Byte 3: 0x63 (NumberOfOps=3, NumberOfEpilogs=3: (3<<5)|3)
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## Payload (26 bytes):
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## +0: 07 Prolog IP offset[0]: +7
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## +1: 02 Prolog IP offset[1]: +2
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## +2: 00 Prolog IP offset[2]: +0
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## +3: 18 Epilog[0] FlagsAndNumOps: flags=0, nops=3
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## +4: 14 00 Epilog[0] EpilogOffset: +20
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## +6: 00 00 Epilog[0] FirstOp: 0
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## +8: 06 Epilog[0] IpOffsetOfLastInstruction: 6
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## +9: 00 04 05 Epilog[0] IP offsets
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## +12: 00 Epilog[1] FlagsAndNumOps: nops=0 (inherited, 3 bytes only)
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## +13: 0A 00 Epilog[1] EpilogOffset: +10 (delta from Epilog[0]; resolves to +30)
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## +15: 10 Epilog[2] FlagsAndNumOps: nops=2
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## +16: 05 00 Epilog[2] EpilogOffset: +5 (delta from Epilog[1]; resolves to +35)
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## +18: 01 00 Epilog[2] FirstOp: 1
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## +20: 03 Epilog[2] IpOffsetOfLastInstruction: 3
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## +21: 00 01 Epilog[2] IP offsets
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## +23: 38 34 3C WOD pool: ALLOC_SMALL(32), PUSH RSI, PUSH RDI
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# CHECK-LABEL: Unwind info:
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# CHECK-EMPTY:
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# CHECK-NEXT: Function Table:
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# CHECK-NEXT: Start Address: 0x1000
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# CHECK-NEXT: End Address: 0x1040
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# CHECK-NEXT: Unwind Info Address: 0x2000
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# CHECK-NEXT: Version: 3
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# CHECK-NEXT: Flags: 0x0
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# CHECK-NEXT: Size of prolog: 0xB
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# CHECK-NEXT: PayloadWords: 13
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# CHECK-NEXT: NumberOfOps: 3
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# CHECK-NEXT: NumberOfEpilogs: 3
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# CHECK-NEXT: Prolog [3 ops]:
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# CHECK-NEXT: [0] IP +0x0007: WOD_ALLOC_SMALL Size=0x20
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# CHECK-NEXT: [1] IP +0x0002: WOD_PUSH Reg=RSI
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# CHECK-NEXT: [2] IP +0x0000: WOD_PUSH Reg=RDI
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# CHECK-NEXT: Epilog [0] (Flags=0x00, Offset=+0x14, IpOfLast=+0x6) [3 ops, FirstOp=0x0]:
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# CHECK-NEXT: [0] IP +0x0000: WOD_ALLOC_SMALL Size=0x20
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# CHECK-NEXT: [1] IP +0x0004: WOD_PUSH Reg=RSI
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# CHECK-NEXT: [2] IP +0x0005: WOD_PUSH Reg=RDI
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# CHECK-NEXT: Epilog [1] (Flags=0x00, Offset=+0x1E) [inherited]:
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# CHECK-NEXT: (inherits from previous epilog: FirstOp=0x0, IpOfLast=+0x6, 3 ops)
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# CHECK-NEXT: Epilog [2] (Flags=0x00, Offset=+0x23, IpOfLast=+0x3) [2 ops, FirstOp=0x1]:
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# CHECK-NEXT: [0] IP +0x0000: WOD_PUSH Reg=RSI
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# CHECK-NEXT: [1] IP +0x0001: WOD_PUSH Reg=RDI
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# POOL-NEXT: WOD pool [3 bytes]:
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# POOL-NEXT: +0x0000: WOD_ALLOC_SMALL Size=0x20
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# POOL-NEXT: +0x0001: WOD_PUSH Reg=RSI
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# POOL-NEXT: +0x0002: WOD_PUSH Reg=RDI
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--- !COFF
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OptionalHeader:
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AddressOfEntryPoint: 4096
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ImageBase: 0
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SectionAlignment: 4096
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FileAlignment: 512
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MajorOperatingSystemVersion: 6
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MinorOperatingSystemVersion: 0
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MajorImageVersion: 0
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MinorImageVersion: 0
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MajorSubsystemVersion: 6
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MinorSubsystemVersion: 0
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Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
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DLLCharacteristics: [ IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ]
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SizeOfStackReserve: 1048576
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SizeOfStackCommit: 4096
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SizeOfHeapReserve: 1048576
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SizeOfHeapCommit: 4096
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ExportTable:
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RelativeVirtualAddress: 0
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Size: 0
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ImportTable:
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RelativeVirtualAddress: 0
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Size: 0
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ResourceTable:
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RelativeVirtualAddress: 0
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Size: 0
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ExceptionTable:
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RelativeVirtualAddress: 12288
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Size: 12
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CertificateTable:
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RelativeVirtualAddress: 0
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Size: 0
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BaseRelocationTable:
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RelativeVirtualAddress: 0
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Size: 0
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Debug:
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RelativeVirtualAddress: 0
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Size: 0
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Architecture:
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RelativeVirtualAddress: 0
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Size: 0
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GlobalPtr:
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RelativeVirtualAddress: 0
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Size: 0
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TlsTable:
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RelativeVirtualAddress: 0
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Size: 0
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LoadConfigTable:
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RelativeVirtualAddress: 0
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Size: 0
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BoundImport:
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RelativeVirtualAddress: 0
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Size: 0
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IAT:
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RelativeVirtualAddress: 0
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Size: 0
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DelayImportDescriptor:
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RelativeVirtualAddress: 0
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Size: 0
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ClrRuntimeHeader:
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RelativeVirtualAddress: 0
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Size: 0
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header:
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Machine: IMAGE_FILE_MACHINE_AMD64
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Characteristics: [ IMAGE_FILE_EXECUTABLE_IMAGE, IMAGE_FILE_LARGE_ADDRESS_AWARE ]
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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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VirtualAddress: 4096
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VirtualSize: 64
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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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VirtualAddress: 8192
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VirtualSize: 30
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SectionData: '030B0D63070200181400000006000405000A00100500010003000138343C'
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- Name: .pdata
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Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
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VirtualAddress: 12288
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VirtualSize: 12
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SectionData: '001000004010000000200000'
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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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- 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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- 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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...
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