test/tools/llvm-dwarfdump/X86/typeunit-name.s

   1 # Demonstrate that -name works with type units.
   2 # RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
   3 # RUN: llvm-dwarfdump -name=V4_type_unit -name=V5_split_type_unit %t.o | FileCheck %s
   4 #
   5 # The names should appear twice, once for the unit and once for the type DIE,
   6 # because we give them the same name.
   7 # CHECK: V4_type_unit
   8 # CHECK: V4_type_unit
   9 # CHECK: V5_split_type_unit
  10 # CHECK: V5_split_type_unit
  11
  12         .section .debug_str,"MS",@progbits,1
  13 str_TU_4:
  14         .asciz "V4_type_unit"
  15
  16         .section .debug_str.dwo,"MS",@progbits,1
  17 dwo_TU_5:
  18         .asciz "V5_split_type_unit"
  19
  20 # Abbrev section for the normal type unit.
  21         .section .debug_abbrev,"",@progbits
  22         .byte 0x01  # Abbrev code
  23         .byte 0x41  # DW_TAG_type_unit
  24         .byte 0x01  # DW_CHILDREN_yes
  25         .byte 0x03  # DW_AT_name
  26         .byte 0x0e  # DW_FORM_strp
  27         .byte 0x00  # EOM(1)
  28         .byte 0x00  # EOM(2)
  29         .byte 0x02  # Abbrev code
  30         .byte 0x13  # DW_TAG_structure_type
  31         .byte 0x00  # DW_CHILDREN_no (no members)
  32         .byte 0x03  # DW_AT_name
  33         .byte 0x0e  # DW_FORM_strp
  34         .byte 0x00  # EOM(1)
  35         .byte 0x00  # EOM(2)
  36         .byte 0x00  # EOM(3)
  37
  38 # And a .dwo copy for the .dwo section.
  39         .section .debug_abbrev.dwo,"",@progbits
  40         .byte 0x01  # Abbrev code
  41         .byte 0x41  # DW_TAG_type_unit
  42         .byte 0x01  # DW_CHILDREN_yes
  43         .byte 0x03  # DW_AT_name
  44         .byte 0x0e  # DW_FORM_strp
  45         .byte 0x00  # EOM(1)
  46         .byte 0x00  # EOM(2)
  47         .byte 0x02  # Abbrev code
  48         .byte 0x13  # DW_TAG_structure_type
  49         .byte 0x00  # DW_CHILDREN_no (no members)
  50         .byte 0x03  # DW_AT_name
  51         .byte 0x0e  # DW_FORM_strp
  52         .byte 0x00  # EOM(1)
  53         .byte 0x00  # EOM(2)
  54         .byte 0x00  # EOM(3)
  55
  56         .section .debug_types,"",@progbits
  57
  58 # DWARF v4 Type unit header. Normal/split are identical so we do only one.
  59 TU_4_start:
  60         .long  TU_4_end-TU_4_version  # Length of Unit
  61 TU_4_version:
  62         .short 4               # DWARF version number
  63         .long .debug_abbrev    # Offset Into Abbrev. Section
  64         .byte 8                # Address Size (in bytes)
  65         .quad 0x0011223344556677 # Type Signature
  66         .long TU_4_type-TU_4_start # Type offset
  67 # The type-unit DIE, which has a name.
  68         .byte 1
  69         .long str_TU_4
  70 # The type DIE, which has the same name.
  71 TU_4_type:
  72         .byte 2
  73         .long str_TU_4
  74         .byte 0 # NULL
  75         .byte 0 # NULL
  76 TU_4_end:
  77
  78         .section .debug_types.dwo,"",@progbits
  79 # FIXME: DWARF v5 wants type units in .debug_info[.dwo] not .debug_types[.dwo].
  80
  81 # DWARF v5 split type unit header.
  82 TU_split_5_start:
  83         .long  TU_split_5_end-TU_split_5_version  # Length of Unit
  84 TU_split_5_version:
  85         .short 5               # DWARF version number
  86         .byte 6                # DWARF Unit Type
  87         .byte 8                # Address Size (in bytes)
  88         .long .debug_abbrev.dwo    # Offset Into Abbrev. Section
  89         .quad 0x8899aabbccddeeff # Type Signature
  90         .long TU_split_5_type-TU_split_5_start  # Type offset
  91 # The type-unit DIE, which has a name.
  92         .byte 1
  93         .long dwo_TU_5
  94 # The type DIE, which has the same name.
  95 TU_split_5_type:
  96         .byte 2
  97         .long dwo_TU_5
  98         .byte 0 # NULL
  99         .byte 0 # NULL
 100 TU_split_5_end: