llvm/test/DebugInfo/X86/invalid-cu-length-dwp.s

   1 # RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o - | \
   2 # RUN:   llvm-dwarfdump -debug-info -
   3
   4 ## llvm-dwarfdump used to crash with this input because of an invalid size
   5 ## of the compilation unit contribution in the .debug_cu_index section.
   6
   7     .section .debug_abbrev.dwo, "e", @progbits
   8 .LAbbrBegin:
   9     .uleb128 1                  # Abbreviation Code
  10     .uleb128 17                 # DW_TAG_compile_unit
  11     .byte 0                     # DW_CHILDREN_no
  12     .uleb128 3                  # DW_AT_name
  13     .uleb128 8                  # DW_FORM_string
  14     .uleb128 0x2131             # DW_AT_GNU_dwo_id
  15     .uleb128 7                  # DW_FORM_data8
  16     .byte 0                     # EOM(1)
  17     .byte 0                     # EOM(2)
  18     .byte 0                     # EOM(3)
  19 .LAbbrEnd:
  20
  21     .section .debug_info.dwo, "e", @progbits
  22 .LCUBegin:
  23     .long .LCUEnd-.LCUVersion   # Length
  24 .LCUVersion:
  25     .short 4                    # Version
  26     .long 0                     # Abbrev offset
  27     .byte 4                     # Address size
  28     .uleb128 1                  # Abbrev [1] DW_TAG_compile_unit
  29     .asciz "a.c"                # DW_AT_name
  30     .quad 0x1100001122222222    # DW_AT_GNU_dwo_id
  31 .LCUEnd:
  32
  33     .section .debug_cu_index, "", @progbits
  34 ## Header:
  35     .short 2                    # Version
  36     .space 2                    # Padding
  37     .long 2                     # Section count
  38     .long 1                     # Unit count
  39     .long 4                     # Slot count
  40 ## Hash Table of Signatures:
  41     .quad 0
  42     .quad 0
  43     .quad 0x1100001122222222
  44     .quad 0
  45 ## Parallel Table of Indexes:
  46     .long 0
  47     .long 0
  48     .long 1
  49     .long 0
  50 ## Table of Section Offsets:
  51 ## Row 0:
  52     .long 1                     # DW_SECT_INFO
  53     .long 3                     # DW_SECT_ABBREV
  54 ## Row 1:
  55     .long .LCUBegin-.debug_info.dwo     # Offset in .debug_info.dwo
  56     .long .LAbbrBegin-.debug_abbrev.dwo # Offset in .debug_abbrev.dwo
  57 ## Table of Section Sizes:
  58     .long .LCUEnd-.LCUBegin-1           # Size of the contribution in .debug_info.dwo (invalid)
  59     .long .LAbbrEnd-.LAbbrBegin