# RUN: yaml2obj %s -o %t.exe
# RUN: llvm-readobj --unwind %t.exe | FileCheck %s
## --unwind-show-wod-pool appends a raw dump of the WOD pool with byte
## offsets, useful for seeing how the pool is shared between prolog/epilogs.
# RUN: llvm-readobj --unwind --unwind-show-wod-pool %t.exe \
# RUN:   | FileCheck %s --check-prefixes=CHECK,POOL

## T3: V3 with multiple epilogs including inheritance.
##
## .xdata hex breakdown:
## Byte 0: 0x03  (Version=3, Flags=0)
## Byte 1: 0x0B  (SizeOfProlog=11)
## Byte 2: 0x0D  (PayloadWords=13 words -> 26 bytes payload)
## Byte 3: 0x63  (NumberOfOps=3, NumberOfEpilogs=3: (3<<5)|3=0x63)
## Payload (26 bytes):
## +0:  07            Prolog IP offset[0]: +7
## +1:  02            Prolog IP offset[1]: +2
## +2:  00            Prolog IP offset[2]: +0
## +3:  18            Epilog[0] FlagsAndNumOps: flags=0, nops=3 -> (3<<3)|0
## +4:  14 00         Epilog[0] EpilogOffset: +20
## +6:  00 00         Epilog[0] FirstOp: 0
## +8:  06            Epilog[0] IpOffsetOfLastInstruction: 6
## +9:  00 04 05      Epilog[0] IP offsets
## +12: 00            Epilog[1] FlagsAndNumOps: nops=0 (inherited, 3 bytes only)
## +13: 0A 00         Epilog[1] EpilogOffset: +10 (delta from Epilog[0]; resolves to +30)
## +15: 10            Epilog[2] FlagsAndNumOps: nops=2
## +16: 05 00         Epilog[2] EpilogOffset: +5 (delta from Epilog[1]; resolves to +35)
## +18: 01 00         Epilog[2] FirstOp: 1 (starts at WOD pool byte 1)
## +20: 03            Epilog[2] IpOffsetOfLastInstruction: 3
## +21: 00 01         Epilog[2] IP offsets
## +23: 38 34 3C      WOD pool: ALLOC_SMALL(32), PUSH RSI, PUSH RDI

# CHECK-LABEL:  UnwindInformation [
# CHECK-NEXT:     RuntimeFunction {
# CHECK:            UnwindInfo {
# CHECK-NEXT:         Version: 3
# CHECK-NEXT:         Flags [ (0x0)
# CHECK-NEXT:         ]
# CHECK-NEXT:         SizeOfProlog: 0xB
# CHECK-NEXT:         PayloadWords: 13
# CHECK-NEXT:         NumberOfOps: 3
# CHECK-NEXT:         NumberOfEpilogs: 3
# CHECK-NEXT:         Prolog [3 ops]:
# CHECK-NEXT:           [0] IP +0x0007: ALLOC_SMALL Size=0x20
# CHECK-NEXT:           [1] IP +0x0002: PUSH Reg=RSI
# CHECK-NEXT:           [2] IP +0x0000: PUSH Reg=RDI
# CHECK-NEXT:         Epilog [0] {
# CHECK-NEXT:           Flags [ (0x0)
# CHECK-NEXT:           ]
# CHECK-NEXT:           EpilogOffset: +0x14
# CHECK-NEXT:           NumberOfOps: 3
# CHECK-NEXT:           FirstOp: 0x0
# CHECK-NEXT:           IpOffsetOfLastInstruction: 0x6
# CHECK-NEXT:           [0] IP +0x0000: ALLOC_SMALL Size=0x20
# CHECK-NEXT:           [1] IP +0x0004: PUSH Reg=RSI
# CHECK-NEXT:           [2] IP +0x0005: PUSH Reg=RDI
# CHECK-NEXT:         }
# CHECK-NEXT:         Epilog [1] {
# CHECK-NEXT:           Flags [ (0x0)
# CHECK-NEXT:           ]
# CHECK-NEXT:           EpilogOffset: +0x1E
# CHECK-NEXT:           NumberOfOps: 0
# CHECK-NEXT:           (inherits from previous epilog: FirstOp=0x0, IpOffsetOfLastInstruction=0x6, 3 ops)
# CHECK-NEXT:         }
# CHECK-NEXT:         Epilog [2] {
# CHECK-NEXT:           Flags [ (0x0)
# CHECK-NEXT:           ]
# CHECK-NEXT:           EpilogOffset: +0x23
# CHECK-NEXT:           NumberOfOps: 2
# CHECK-NEXT:           FirstOp: 0x1
# CHECK-NEXT:           IpOffsetOfLastInstruction: 0x3
# CHECK-NEXT:           [0] IP +0x0000: PUSH Reg=RSI
# CHECK-NEXT:           [1] IP +0x0001: PUSH Reg=RDI
# CHECK-NEXT:         }
# POOL-NEXT:         WODPool [3 bytes] [
# POOL-NEXT:           +0x0000: ALLOC_SMALL Size=0x20
# POOL-NEXT:           +0x0001: PUSH Reg=RSI
# POOL-NEXT:           +0x0002: PUSH Reg=RDI
# POOL-NEXT:         ]
# CHECK-NEXT:       }
# CHECK-NEXT:     }
# CHECK-NEXT:   ]

--- !COFF
OptionalHeader:
  AddressOfEntryPoint: 4096
  ImageBase:       0
  SectionAlignment: 4096
  FileAlignment:   512
  MajorOperatingSystemVersion: 6
  MinorOperatingSystemVersion: 0
  MajorImageVersion: 0
  MinorImageVersion: 0
  MajorSubsystemVersion: 6
  MinorSubsystemVersion: 0
  Subsystem:       IMAGE_SUBSYSTEM_WINDOWS_CUI
  DLLCharacteristics: [ IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT ]
  SizeOfStackReserve: 1048576
  SizeOfStackCommit: 4096
  SizeOfHeapReserve: 1048576
  SizeOfHeapCommit: 4096
  ExportTable:
    RelativeVirtualAddress: 0
    Size:            0
  ImportTable:
    RelativeVirtualAddress: 0
    Size:            0
  ResourceTable:
    RelativeVirtualAddress: 0
    Size:            0
  ExceptionTable:
    RelativeVirtualAddress: 12288
    Size:            12
  CertificateTable:
    RelativeVirtualAddress: 0
    Size:            0
  BaseRelocationTable:
    RelativeVirtualAddress: 0
    Size:            0
  Debug:
    RelativeVirtualAddress: 0
    Size:            0
  Architecture:
    RelativeVirtualAddress: 0
    Size:            0
  GlobalPtr:
    RelativeVirtualAddress: 0
    Size:            0
  TlsTable:
    RelativeVirtualAddress: 0
    Size:            0
  LoadConfigTable:
    RelativeVirtualAddress: 0
    Size:            0
  BoundImport:
    RelativeVirtualAddress: 0
    Size:            0
  IAT:
    RelativeVirtualAddress: 0
    Size:            0
  DelayImportDescriptor:
    RelativeVirtualAddress: 0
    Size:            0
  ClrRuntimeHeader:
    RelativeVirtualAddress: 0
    Size:            0
header:
  Machine:         IMAGE_FILE_MACHINE_AMD64
  Characteristics: [ IMAGE_FILE_EXECUTABLE_IMAGE, IMAGE_FILE_LARGE_ADDRESS_AWARE ]
sections:
  - Name:            .text
    Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
    VirtualAddress:  4096
    VirtualSize:     64
    SectionData:     '00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
  - Name:            .xdata
    Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
    VirtualAddress:  8192
    VirtualSize:     30
    SectionData:     '030B0D63070200181400000006000405000A00100500010003000138343C'
  - Name:            .pdata
    Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
    VirtualAddress:  12288
    VirtualSize:     12
    SectionData:     '001000004010000000200000'
symbols:
  - Name:            .text
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
  - Name:            .xdata
    Value:           0
    SectionNumber:   2
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
  - Name:            .pdata
    Value:           0
    SectionNumber:   3
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
  - Name:            func
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
...