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102 lines
3.7 KiB
Plaintext
102 lines
3.7 KiB
Plaintext
; Test that llvm-profgen detects and reports mismatching pseudo probe descriptor
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; hashes for the same function across translation units.
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; RUN: rm -rf %t
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; RUN: split-file %s %t
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;; ELF
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; RUN: yaml2obj %t/elf.yaml -o %t/test.elf
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; RUN: llvm-profgen --show-disassembly-only --binary=%t/test.elf --output=%t/test.prof \
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; RUN: 2>&1 | FileCheck %s --check-prefix=SUMMARY
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; RUN: llvm-profgen --show-disassembly-only --show-detailed-warning \
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; RUN: --binary=%t/test.elf --output=%t/test.prof 2>&1 | FileCheck %s --check-prefix=DETAIL
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;; COFF
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; RUN: yaml2obj %t/coff.yaml -o %t/test.exe
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; RUN: llvm-profgen --show-disassembly-only --binary=%t/test.exe --output=%t/test-coff.prof \
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; RUN: 2>&1 | FileCheck %s --check-prefix=SUMMARY
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; RUN: llvm-profgen --show-disassembly-only --show-detailed-warning \
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; RUN: --binary=%t/test.exe --output=%t/test-coff.prof 2>&1 | FileCheck %s --check-prefix=DETAIL
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; SUMMARY: warning: 1 functions have mismatching pseudo probe descriptors across translation units.
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; SUMMARY-NOT: warning: pseudo probe descriptor for foo has mismatching hash
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; DETAIL: warning: pseudo probe descriptor for foo has mismatching hash across TUs: {{0x[0-9a-f]+}} vs {{0x[0-9a-f]+}}
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; DETAIL: warning: 1 functions have mismatching pseudo probe descriptors across translation units.
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;--- elf.yaml
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## Minimal ELF executable with .pseudo_probe_desc containing two entries for
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## the same function GUID (0x1234567890ABCDEF) with different hashes
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## (0xDEADBEEF vs 0xCAFEBABE).
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Entry: 0x400000
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ProgramHeaders:
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- Type: PT_LOAD
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Flags: [PF_X, PF_R]
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VAddr: 0x400000
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FirstSec: .text
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LastSec: .pseudo_probe
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC, SHF_EXECINSTR]
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Address: 0x400000
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Content: C3
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- Name: .pseudo_probe_desc
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC]
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## Two descriptors: same GUID=0x1234567890ABCDEF, different hashes.
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## Entry 1: GUID=0x1234567890ABCDEF, Hash=0xDEADBEEF, Name="foo"
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## Entry 2: GUID=0x1234567890ABCDEF, Hash=0xCAFEBABE, Name="foo"
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Content: EFCDAB9078563412EFBEADDE0000000003666F6FEFCDAB9078563412BEBAFECA0000000003666F6F
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- Name: .pseudo_probe
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC]
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Content: ''
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;--- coff.yaml
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## Minimal PE/COFF executable with the same .pseudo_probe_desc content.
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--- !COFF
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OptionalHeader:
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AddressOfEntryPoint: 0x1000
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ImageBase: 0x140000000
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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: []
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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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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: 0x1000
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VirtualSize: 1
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SectionData: C3
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- Name: .pseudo_probe_desc
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Characteristics: [IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ]
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VirtualAddress: 0x2000
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VirtualSize: 40
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SectionData: EFCDAB9078563412EFBEADDE0000000003666F6FEFCDAB9078563412BEBAFECA0000000003666F6F
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- Name: .pseudo_probe
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Characteristics: [IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ]
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VirtualAddress: 0x3000
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VirtualSize: 0
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SectionData: ''
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symbols: []
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