llvm/test/DebugInfo/X86/dwarfdump-str-offsets-v4-invalid.s

   1 ## This tests handling invalid .debug_str_offsets.dwo sections in
   2 ## a pre-standard DWO/DWP file.
   3
   4 # RUN: llvm-mc -triple x86_64 %s -filetype=obj -o %t.dwo
   5 # RUN: not llvm-dwarfdump -v %t.dwo 2>&1 | FileCheck %s
   6
   7 # RUN: llvm-mc -triple x86_64 %s -filetype=obj -o %t.dwp --defsym DWP=0
   8 # RUN: not llvm-dwarfdump -v %t.dwp 2>&1 | FileCheck %s
   9
  10 # CHECK: error: invalid reference to or invalid content in .debug_str_offsets[.dwo]: length exceeds section size
  11
  12     .section .debug_abbrev.dwo,"e",@progbits
  13 .LAbbr:
  14     .byte 0x01  # Abbrev code
  15     .byte 0x11  # DW_TAG_compile_unit
  16     .byte 0x00  # DW_CHILDREN_no
  17     .byte 0x00  # EOM(1)
  18     .byte 0x00  # EOM(2)
  19     .byte 0x00  # EOM(3)
  20 .LAbbrEnd:
  21
  22     .section .debug_info.dwo,"e",@progbits
  23 .LCU:
  24     .long .LCUEnd-.LCUVersion
  25 .LCUVersion:
  26     .short 4
  27     .long 0
  28     .byte 8
  29     .uleb128 1
  30 .LCUEnd:
  31
  32 ## The section is truncated, i.e. its size is not a multiple of entry size.
  33     .section .debug_str_offsets.dwo,"e",@progbits
  34 .LStrOff:
  35     .byte 0
  36 .LStrOffEnd:
  37
  38 .ifdef DWP
  39     .section .debug_cu_index, "", @progbits
  40 ## Header:
  41     .long 2                         # Version
  42     .long 3                         # Section count
  43     .long 1                         # Unit count
  44     .long 2                         # Slot count
  45 ## Hash Table of Signatures:
  46     .quad 0x1100001122222222        # DWO Id of CU0
  47     .quad 0
  48 ## Parallel Table of Indexes:
  49     .long 1
  50     .long 0
  51 ## Table of Section Offsets:
  52 ## Row 0:
  53     .long 1                         # DW_SECT_INFO
  54     .long 3                         # DW_SECT_ABBREV
  55     .long 6                         # DW_SECT_STR_OFFSETS
  56 ## Row 1, offsets of the contribution
  57     .long .LCU-.debug_info.dwo
  58     .long .LAbbr-.debug_abbrev.dwo
  59     .long .LStrOff-.debug_str_offsets.dwo
  60 ## Table of Section Sizes:
  61 ## Row 1, sizes of the contribution
  62     .long .LCUEnd-.LCU
  63     .long .LAbbrEnd-.LAbbr
  64     .long .LStrOffEnd-.LStrOff
  65 .endif