# RUN: yaml2obj %s -o %t.exe
# RUN: llvm-objdump --unwind-info %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-objdump --unwind-info --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)
## 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
##   +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
##   +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:  Unwind info:
# CHECK-EMPTY:
# CHECK-NEXT:   Function Table:
# CHECK-NEXT:     Start Address: 0x1000
# CHECK-NEXT:     End Address: 0x1040
# CHECK-NEXT:     Unwind Info Address: 0x2000
# CHECK-NEXT:       Version: 3
# CHECK-NEXT:       Flags: 0x0
# CHECK-NEXT:       Size of prolog: 0xB
# CHECK-NEXT:       PayloadWords: 13
# CHECK-NEXT:       NumberOfOps: 3
# CHECK-NEXT:       NumberOfEpilogs: 3
# CHECK-NEXT:       Prolog [3 ops]:
# CHECK-NEXT:         [0] IP +0x0007: WOD_ALLOC_SMALL Size=0x20
# CHECK-NEXT:         [1] IP +0x0002: WOD_PUSH Reg=RSI
# CHECK-NEXT:         [2] IP +0x0000: WOD_PUSH Reg=RDI
# CHECK-NEXT:       Epilog [0] (Flags=0x00, Offset=+0x14, IpOfLast=+0x6) [3 ops, FirstOp=0x0]:
# CHECK-NEXT:         [0] IP +0x0000: WOD_ALLOC_SMALL Size=0x20
# CHECK-NEXT:         [1] IP +0x0004: WOD_PUSH Reg=RSI
# CHECK-NEXT:         [2] IP +0x0005: WOD_PUSH Reg=RDI
# CHECK-NEXT:       Epilog [1] (Flags=0x00, Offset=+0x1E) [inherited]:
# CHECK-NEXT:         (inherits from previous epilog: FirstOp=0x0, IpOfLast=+0x6, 3 ops)
# CHECK-NEXT:       Epilog [2] (Flags=0x00, Offset=+0x23, IpOfLast=+0x3) [2 ops, FirstOp=0x1]:
# CHECK-NEXT:         [0] IP +0x0000: WOD_PUSH Reg=RSI
# CHECK-NEXT:         [1] IP +0x0001: WOD_PUSH Reg=RDI
# POOL-NEXT:        WOD pool [3 bytes]:
# POOL-NEXT:          +0x0000: WOD_ALLOC_SMALL Size=0x20
# POOL-NEXT:          +0x0001: WOD_PUSH Reg=RSI
# POOL-NEXT:          +0x0002: WOD_PUSH Reg=RDI

--- !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
...