llvm/test/tools/llvm-dwarfdump/X86/DW_OP_implicit_pointer.yaml

   1 # Test that we can decode `DW_OP_implicit_pointer` (0xa0)
   2 # RUN: yaml2obj %s | llvm-dwarfdump - | FileCheck %s
   3
   4 # CHECK:      DW_TAG_variable
   5 # CHECK-NEXT:   DW_AT_location (DW_OP_implicit_pointer 0x2a +4)
   6
   7 --- !ELF
   8 FileHeader:
   9   Class:           ELFCLASS64
  10   Data:            ELFDATA2LSB
  11   Type:            ET_DYN
  12   Machine:         EM_X86_64
  13 DWARF:
  14   debug_abbrev:
  15     - Table:
  16         - Code:            0x00000001
  17           Tag:             DW_TAG_compile_unit
  18           Children:        DW_CHILDREN_yes
  19           Attributes:
  20             - Attribute:       DW_AT_language
  21               Form:            DW_FORM_data2
  22             - Attribute:       DW_AT_low_pc
  23               Form:            DW_FORM_addr
  24             - Attribute:       DW_AT_high_pc
  25               Form:            DW_FORM_data4
  26         - Code:            0x00000002
  27           Tag:             DW_TAG_subprogram
  28           Children:        DW_CHILDREN_yes
  29           Attributes:
  30             - Attribute:       DW_AT_low_pc
  31               Form:            DW_FORM_addr
  32             - Attribute:       DW_AT_high_pc
  33               Form:            DW_FORM_data4
  34             - Attribute:       DW_AT_frame_base
  35               Form:            DW_FORM_exprloc
  36         - Code:            0x00000003
  37           Tag:             DW_TAG_formal_parameter
  38           Children:        DW_CHILDREN_no
  39           Attributes:
  40             - Attribute:       DW_AT_location
  41               Form:            DW_FORM_exprloc
  42         - Code:            0x00000004
  43           Tag:             DW_TAG_variable
  44           Children:        DW_CHILDREN_no
  45           Attributes:
  46             - Attribute:       DW_AT_location
  47               Form:            DW_FORM_exprloc
  48   debug_info:
  49     - Length:          52
  50       Version:         5
  51       UnitType:        DW_UT_compile
  52       AbbrOffset:      0
  53       AddrSize:        8
  54       Entries:
  55         - AbbrCode:        0x00000001
  56           Values:
  57             - Value:           0x000000000000000C
  58             - Value:           0x0000000100000F50
  59             - Value:           0x0000000000000034
  60         - AbbrCode:        0x00000002
  61           Values:
  62             - Value:           0x0000000100000F50
  63             - Value:           0x0000000000000034
  64             - Value:           0x0000000000000001
  65               BlockData:
  66                 - 0x56
  67         - AbbrCode:        0x00000003
  68           Values:
  69             - Value:           0x0000000000000002
  70               BlockData:
  71                 - 0x91
  72                 - 0x78
  73         - AbbrCode:        0x00000004
  74           Values:
  75             - Value:           0x0000000000000006
  76               BlockData:
  77                 - 0xa0 # DW_OP_implicit_pointer
  78                 - 0x2a # Section offset of parameter in the previous entry
  79                 - 0x00
  80                 - 0x00
  81                 - 0x00
  82                 - 0x04 # Pointer references location 4 bytes into value of previous entry
  83         - AbbrCode:        0x00000000
  84           Values:
  85         - AbbrCode:        0x00000000
  86           Values:
  87 ...