llvm/test/DebugInfo/X86/dwp-v5-loclists.s

   1 ## The test checks that v5 compile units in package files read their
   2 ## location tables from .debug_loclists.dwo sections.
   3 ## See dwp-v2-loc.s for pre-v5 units.
   4
   5 # RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o - | \
   6 # RUN:   llvm-dwarfdump -debug-info -debug-loclists - | \
   7 # RUN:   FileCheck %s
   8
   9 # CHECK:      .debug_info.dwo contents:
  10 # CHECK:      DW_TAG_compile_unit
  11 # CHECK:      DW_TAG_variable
  12 # CHECK-NEXT:   DW_AT_name ("a")
  13 # CHECK-NEXT:   DW_AT_location (0x{{[0-9a-f]+}}:
  14 # CHECK-NEXT:     DW_LLE_startx_length (0x0000000000000001, 0x0000000000000010): DW_OP_reg5 RDI)
  15 # CHECK:      DW_TAG_variable
  16 # CHECK-NEXT:   DW_AT_name ("b")
  17 # CHECK-NEXT:   DW_AT_location (indexed (0x1) loclist = 0x{{[0-9a-f]+}}:
  18 # CHECK-NEXT:     DW_LLE_startx_length (0x0000000000000005, 0x0000000000000020): DW_OP_regx RDI)
  19
  20 # CHECK:      .debug_loclists.dwo contents:
  21 # CHECK:      locations list header:
  22 # CHECK:      locations list header:
  23 # CHECK:      offsets:
  24 # CHECK:      0x{{[0-9a-f]+}}:
  25 # CHECK-NEXT:   DW_LLE_startx_length (0x0000000000000001, 0x0000000000000010): DW_OP_reg5 RDI
  26 # CHECK:      0x{{[0-9a-f]+}}:
  27 # CHECK-NEXT:   DW_LLE_startx_length (0x0000000000000005, 0x0000000000000020): DW_OP_regx RDI
  28
  29 .section .debug_abbrev.dwo, "e", @progbits
  30 .LAbbrevBegin:
  31     .uleb128 1                          # Abbreviation Code
  32     .uleb128 17                         # DW_TAG_compile_unit
  33     .byte 1                             # DW_CHILDREN_yes
  34     .byte 0                             # EOM(1)
  35     .byte 0                             # EOM(2)
  36     .uleb128 2                          # Abbreviation Code
  37     .uleb128 52                         # DW_TAG_variable
  38     .byte 0                             # DW_CHILDREN_no
  39     .uleb128 3                          # DW_AT_name
  40     .uleb128 8                          # DW_FORM_string
  41     .uleb128 2                          # DW_AT_location
  42     .uleb128 23                         # DW_FORM_sec_offset
  43     .byte 0                             # EOM(1)
  44     .byte 0                             # EOM(2)
  45     .uleb128 3                          # Abbreviation Code
  46     .uleb128 52                         # DW_TAG_variable
  47     .byte 0                             # DW_CHILDREN_no
  48     .uleb128 3                          # DW_AT_name
  49     .uleb128 8                          # DW_FORM_string
  50     .uleb128 2                          # DW_AT_location
  51     .uleb128 34                         # DW_FORM_loclistx
  52     .byte 0                             # EOM(1)
  53     .byte 0                             # EOM(2)
  54     .byte 0                             # EOM(3)
  55 .LAbbrevEnd:
  56
  57     .section .debug_info.dwo, "e", @progbits
  58 .LCUBegin:
  59     .long .LCUEnd-.LCUVersion           # Length of Unit
  60 .LCUVersion:
  61     .short 5                            # Version
  62     .byte 5                             # DW_UT_split_compile
  63     .byte 8                             # Address size
  64     .long 0                             # Abbrev offset
  65     .quad 0x1100001122222222            # DWO id
  66     .uleb128 1                          # Abbrev [1] DW_TAG_compile_unit
  67     .uleb128 2                          # Abbrev [2] DW_TAG_variable
  68     .asciz "a"                          # DW_AT_name
  69     .long .LLL0-.LLLBegin               # DW_AT_location (DW_FORM_sec_offset)
  70     .uleb128 3                          # Abbrev [3] DW_TAG_variable
  71     .asciz "b"                          # DW_AT_name
  72     .uleb128 1                          # DW_AT_location (DW_FORM_loclistx)
  73     .byte 0                             # End Of Children Mark
  74 .LCUEnd:
  75
  76 .section .debug_loclists.dwo, "e", @progbits
  77 ## Start the section with an unused table to check that the reading offset
  78 ## of the real table is correctly adjusted.
  79     .long .LLLDummyEnd-.LLLDummyVersion # Length of Unit
  80 .LLLDummyVersion:
  81     .short 5                            # Version
  82     .byte 8                             # Address size
  83     .byte 0                             # Segment selector size
  84     .long 0                             # Offset entry count
  85     .byte 0                             # DW_LLE_end_of_list
  86 .LLLDummyEnd:
  87
  88 .LLLBegin:
  89     .long .LLLEnd-.LLLVersion           # Length of Unit
  90 .LLLVersion:
  91     .short 5                            # Version
  92     .byte 8                             # Address size
  93     .byte 0                             # Segment selector size
  94     .long 2                             # Offset entry count
  95 .LLLBase:
  96     .long .LLL0-.LLLBase
  97     .long .LLL1-.LLLBase
  98 .LLL0:
  99     .byte 3                             # DW_LLE_startx_length
 100     .uleb128 1                          # Index
 101     .uleb128 0x10                       # Length
 102     .uleb128 1                          # Loc expr size
 103     .byte 85                            # DW_OP_reg5
 104     .byte 0                             # DW_LLE_end_of_list
 105 .LLL1:
 106     .byte 3                             # DW_LLE_startx_length
 107     .uleb128 5                          # Index
 108     .uleb128 0x20                       # Length
 109     .uleb128 2                          # Loc expr size
 110     .byte 144                           # DW_OP_regx
 111     .uleb128 5                          # RDI
 112     .byte 0                             # DW_LLE_end_of_list
 113 .LLLEnd:
 114
 115     .section .debug_cu_index, "", @progbits
 116 ## Header:
 117     .short 5                            # Version
 118     .space 2                            # Padding
 119     .long 3                             # Section count
 120     .long 1                             # Unit count
 121     .long 2                             # Slot count
 122 ## Hash Table of Signatures:
 123     .quad 0x1100001122222222
 124     .quad 0
 125 ## Parallel Table of Indexes:
 126     .long 1
 127     .long 0
 128 ## Table of Section Offsets:
 129 ## Row 0:
 130     .long 1                             # DW_SECT_INFO
 131     .long 3                             # DW_SECT_ABBREV
 132     .long 5                             # DW_SECT_LOCLISTS
 133 ## Row 1:
 134     .long 0                             # Offset in .debug_info.dwo
 135     .long 0                             # Offset in .debug_abbrev.dwo
 136     .long .LLLBegin-.debug_loclists.dwo # Offset in .debug_loclists.dwo
 137 ## Table of Section Sizes:
 138     .long .LCUEnd-.LCUBegin             # Size in .debug_info.dwo
 139     .long .LAbbrevEnd-.LAbbrevBegin     # Size in .debug_abbrev.dwo
 140     .long .LLLEnd-.LLLBegin             # Size in .debug_loclists.dwo