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TheRock/compiler/amd-llvm/llvm/test/tools/llvm-readobj/COFF/unwind-x86_64-v3-pool-overflow.yaml
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

156 lines
4.9 KiB
YAML

# RUN: yaml2obj %s -o %t.exe
# RUN: llvm-readobj --unwind %t.exe 2>%t.err | FileCheck %s
# RUN: FileCheck %s --check-prefix=WARN < %t.err
## T11: V3 malformed — WOD pool overflow.
## Epilog's FirstOp + WODs consumed extends past pool boundary.
##
## .xdata hex breakdown:
## Byte 0: 0x03 (Version=3, Flags=0)
## Byte 1: 0x02 (SizeOfProlog=2)
## Byte 2: 0x05 (PayloadWords=5 words -> 10 bytes payload)
## Byte 3: 0x21 (NumberOfOps=1, NumberOfEpilogs=1: (1<<5)|1)
## Payload (10 bytes):
## +0: 02 Prolog IP offset[0]: +2
## +1: 10 Epilog[0] FlagsAndNumOps: flags=0, nops=2 -> (2<<3)|0
## +2: 0A 00 Epilog[0] EpilogOffset: +10
## +4: 00 00 Epilog[0] FirstOp: 0
## +6: 05 Epilog[0] IpOffsetOfLastInstruction: 5
## +7: 00 03 Epilog[0] IP offsets
## +9: 3C WOD pool[0]: WOD_PUSH RDI (only 1 byte, but epilog needs 2)
# CHECK-LABEL: UnwindInformation [
# CHECK-NEXT: RuntimeFunction {
# CHECK: UnwindInfo {
# CHECK-NEXT: Version: 3
# CHECK-NEXT: Flags [ (0x0)
# CHECK-NEXT: ]
# CHECK-NEXT: SizeOfProlog: 0x2
# CHECK-NEXT: PayloadWords: 5
# CHECK-NEXT: NumberOfOps: 1
# CHECK-NEXT: NumberOfEpilogs: 1
# CHECK-NEXT: Prolog [1 ops]:
# CHECK-NEXT: [0] IP +0x0002: PUSH Reg=RDI
# CHECK-NEXT: Epilog [0] {
# CHECK-NEXT: Flags [ (0x0)
# CHECK-NEXT: ]
# CHECK-NEXT: EpilogOffset: +0xA
# CHECK-NEXT: NumberOfOps: 2
# CHECK-NEXT: FirstOp: 0x0
# CHECK-NEXT: IpOffsetOfLastInstruction: 0x5
# CHECK-NEXT: [0] IP +0x0000: PUSH Reg=RDI
# CHECK-NEXT: }
# CHECK-NEXT: }
# CHECK-NEXT: }
# CHECK-NEXT: ]
# WARN: warning: WOD pool overflow at offset 1
--- !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: 16
SectionData: '00000000000000000000000000000000'
- Name: .xdata
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
VirtualAddress: 8192
VirtualSize: 14
SectionData: '0302052102100A0000000500033C'
- Name: .pdata
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
VirtualAddress: 12288
VirtualSize: 12
SectionData: '001000001010000000200000'
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
...