b501770aef
Handles COMDAT symbol with an offset and refactor the code to only generated symbol if the second symbol was encountered. This happens very infrequently but happens in recursive_mutex implementation of MSVC STL library. Reviewed By: lhames Differential Revision: https://reviews.llvm.org/D130454
63 lines
2.0 KiB
Plaintext
63 lines
2.0 KiB
Plaintext
# REQUIRES: asserts
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# RUN: yaml2obj %s -o %t
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# RUN: llvm-jitlink -noexec --debug-only=jitlink -noexec %t 2>&1 | FileCheck %s
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#
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# Check a COMDAT symbol with an offset is handled correctly.
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#
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# CHECK: Creating graph symbols...
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# CHECK: 4: Exporting COMDAT graph symbol for COFF symbol "func" in section 2
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# CHECK-NEXT: 0x1 (block + 0x00000001): size: 0x00000000, linkage: weak, scope: default, dead - func
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--- !COFF
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header:
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Machine: IMAGE_FILE_MACHINE_AMD64
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Characteristics: [ ]
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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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Alignment: 16
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SectionData: C3
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- Name: .text
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Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
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Alignment: 16
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SectionData: C3
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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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SectionDefinition:
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Length: 1
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NumberOfRelocations: 0
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NumberOfLinenumbers: 0
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CheckSum: 40735498
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Number: 1
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- Name: .text
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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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SectionDefinition:
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Length: 1
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NumberOfRelocations: 0
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NumberOfLinenumbers: 0
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CheckSum: 40735498
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Number: 2
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Selection: IMAGE_COMDAT_SELECT_ANY
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- Name: func
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Value: 1
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SectionNumber: 2
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SimpleType: IMAGE_SYM_TYPE_NULL
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ComplexType: IMAGE_SYM_DTYPE_FUNCTION
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StorageClass: IMAGE_SYM_CLASS_EXTERNAL
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- Name: main
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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_FUNCTION
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StorageClass: IMAGE_SYM_CLASS_EXTERNAL
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...
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