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

   1 # REQUIRES: asserts
   2 # RUN: yaml2obj %s -o %t
   3 # RUN: llvm-jitlink -num-threads=0 -debug-only=jitlink -noexec %t 2>&1 \
   4 # RUN:              | FileCheck %s
   5 #
   6 # Check a weak symbol is created for a COMDAT symbol with IMAGE_COMDAT_SELECT_SAME_SIZE selection type.
   7 # Doesn't check the size validation.
   8 #
   9 # CHECK: Creating graph symbols...
  10 # CHECK: 4: Exporting COMDAT graph symbol for COFF symbol "func" in section 2
  11 # CHECK-NEXT:   0x0 (block + 0x00000000): size: 0x00000000, linkage: weak, scope: default, dead  -   func
  12
  13 --- !COFF
  14 header:
  15   Machine:         IMAGE_FILE_MACHINE_AMD64
  16   Characteristics: [  ]
  17 sections:
  18   - Name:            .text
  19     Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
  20     Alignment:       16
  21     SectionData:     C3
  22   - Name:            .text
  23     Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
  24     Alignment:       16
  25     SectionData:     C3
  26 symbols:
  27   - Name:            .text
  28     Value:           0
  29     SectionNumber:   1
  30     SimpleType:      IMAGE_SYM_TYPE_NULL
  31     ComplexType:     IMAGE_SYM_DTYPE_NULL
  32     StorageClass:    IMAGE_SYM_CLASS_STATIC
  33     SectionDefinition:
  34       Length:          1
  35       NumberOfRelocations: 0
  36       NumberOfLinenumbers: 0
  37       CheckSum:        40735498
  38       Number:          1
  39   - Name:            .text
  40     Value:           0
  41     SectionNumber:   2
  42     SimpleType:      IMAGE_SYM_TYPE_NULL
  43     ComplexType:     IMAGE_SYM_DTYPE_NULL
  44     StorageClass:    IMAGE_SYM_CLASS_STATIC
  45     SectionDefinition:
  46       Length:          1
  47       NumberOfRelocations: 0
  48       NumberOfLinenumbers: 0
  49       CheckSum:        40735498
  50       Number:          2
  51       Selection:       IMAGE_COMDAT_SELECT_SAME_SIZE
  52   - Name:            func
  53     Value:           0
  54     SectionNumber:   2
  55     SimpleType:      IMAGE_SYM_TYPE_NULL
  56     ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
  57     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  58   - Name:            main
  59     Value:           0
  60     SectionNumber:   1
  61     SimpleType:      IMAGE_SYM_TYPE_NULL
  62     ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
  63     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  64 ...