pdb-secrel-absolute.yaml 2.9 KB
# RUN: yaml2obj %s -o %t.obj
# RUN: lld-link -debug -entry:main -out:%t.exe -pdb:%t.pdb %t.obj
# RUN: llvm-pdbutil dump -globals %t.pdb | FileCheck %s

# There is an S_GDATA32 symbol record with .secrel32 and .secidx relocations in
# it in this debug info. This is similar to the relocations in the loadcfg.obj
# file in the MSVC CRT. We need to make sure that our relocation logic matches
# MSVC's for these absolute, linker-provided symbols.

# CHECK:                             Global Symbols
# CHECK-NEXT: ============================================================
# CHECK-NEXT:   Records
# CHECK-NEXT:       20 | S_GDATA32 [size = 36] `__guard_fids_table`
# CHECK-NEXT:            type = 0x0022 (unsigned long), addr = 0003:0000

--- !COFF
header:
  Machine:         IMAGE_FILE_MACHINE_AMD64
  Characteristics: [  ]
sections:
  - Name:            '.debug$S'
    Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
    Alignment:       1
    Subsections:
      - !Symbols
        Records:
          - Kind:            S_GDATA32
            DataSym:
              Type:            34
              DisplayName:     __guard_fids_table
      - !StringTable
        Strings:
    Relocations:
      - VirtualAddress:  20
        SymbolName:      __guard_fids_table
        Type:            IMAGE_REL_AMD64_SECREL
      - VirtualAddress:  24
        SymbolName:      __guard_fids_table
        Type:            IMAGE_REL_AMD64_SECTION
  - Name:            '.text$mn'
    Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
    Alignment:       16
    SectionData:     488D0500000000C3
    Relocations:
      - VirtualAddress:  3
        SymbolName:      __guard_fids_table
        Type:            IMAGE_REL_AMD64_REL32
symbols:
  - Name:            '.debug$S'
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
    SectionDefinition:
      Length:          372
      NumberOfRelocations: 6
      NumberOfLinenumbers: 0
      CheckSum:        0
      Number:          0
  - Name:            '.text$mn'
    Value:           0
    SectionNumber:   2
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
    SectionDefinition:
      Length:          8
      NumberOfRelocations: 1
      NumberOfLinenumbers: 0
      CheckSum:        1092178131
      Number:          0
  - Name:            main
    Value:           0
    SectionNumber:   2
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  - Name:            __guard_fids_table
    Value:           0
    SectionNumber:   0
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
...