llvm/test/ExecutionEngine/JITLink/x86-64/COFF_comdat_exact_match.test

   1 # REQUIRES: asserts
   2 # RUN: yaml2obj %s -o %t
   3 # RUN: llvm-jitlink -noexec --debug-only=jitlink -noexec %t 2>&1 | FileCheck %s
   4 #
   5 # Check a weak symbol is created for a COMDAT symbol with IMAGE_COMDAT_SELECT_EXACT_MATCH selection type.
   6 # Doesn't check the content validation.
   7 #
   8 # CHECK: Creating graph symbols...
   9 # CHECK: 4: Exporting COMDAT graph symbol for COFF symbol "func" in section 2
  10 # CHECK-NEXT:   0x0 (block + 0x00000000): size: 0x00000000, linkage: weak, scope: default, dead  -   func
  11
  12 --- !COFF
  13 header:
  14   Machine:         IMAGE_FILE_MACHINE_AMD64
  15   Characteristics: [  ]
  16 sections:
  17   - Name:            .text
  18     Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
  19     Alignment:       16
  20     SectionData:     C3
  21   - Name:            .text
  22     Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
  23     Alignment:       16
  24     SectionData:     C3
  25 symbols:
  26   - Name:            .text
  27     Value:           0
  28     SectionNumber:   1
  29     SimpleType:      IMAGE_SYM_TYPE_NULL
  30     ComplexType:     IMAGE_SYM_DTYPE_NULL
  31     StorageClass:    IMAGE_SYM_CLASS_STATIC
  32     SectionDefinition:
  33       Length:          1
  34       NumberOfRelocations: 0
  35       NumberOfLinenumbers: 0
  36       CheckSum:        40735498
  37       Number:          1
  38   - Name:            .text
  39     Value:           0
  40     SectionNumber:   2
  41     SimpleType:      IMAGE_SYM_TYPE_NULL
  42     ComplexType:     IMAGE_SYM_DTYPE_NULL
  43     StorageClass:    IMAGE_SYM_CLASS_STATIC
  44     SectionDefinition:
  45       Length:          1
  46       NumberOfRelocations: 0
  47       NumberOfLinenumbers: 0
  48       CheckSum:        40735498
  49       Number:          2
  50       Selection:       IMAGE_COMDAT_SELECT_EXACT_MATCH
  51   - Name:            func
  52     Value:           0
  53     SectionNumber:   2
  54     SimpleType:      IMAGE_SYM_TYPE_NULL
  55     ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
  56     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  57   - Name:            main
  58     Value:           0
  59     SectionNumber:   1
  60     SimpleType:      IMAGE_SYM_TYPE_NULL
  61     ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
  62     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  63 ...