llvm/test/tools/llvm-dwarfdump/X86/debug-entry-invalid.s

   1 ## Test llvm-dwarfdump detects and reports invalid DWARF format of the file.
   2
   3 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=CUEND=1 \
   4 # RUN:   | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=CUEND %s
   5 # CUEND: warning: DWARF unit from offset 0x0000000c incl. to offset 0x0000002b excl. tries to read DIEs at offset 0x0000002b
   6
   7 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=ABBREVSETINVALID=1 \
   8 # RUN:   | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=ABBREVSETINVALID %s
   9 # ABBREVSETINVALID: warning: DWARF unit at offset 0x0000000c contains invalid abbreviation set offset 0x0
  10
  11 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=ABBREVNO=2 \
  12 # RUN:   | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=ABBREVNO %s
  13 # ABBREVNO: warning: DWARF unit at offset 0x0000000c contains invalid abbreviation 2 at offset 0x00000018, valid abbreviations are 1, 5, 3-4
  14
  15 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=FORMNO=0xdead \
  16 # RUN:   | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=FORMNO %s
  17 # FORMNO: warning: DWARF unit at offset 0x0000000c contains invalid FORM_* 0xdead at offset 0x00000018
  18
  19 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=SHORTINITLEN=1 \
  20 # RUN:   | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=SHORTINITLEN %s
  21 # SHORTINITLEN:      warning: DWARF unit at 0x0000002c cannot be parsed:
  22 # SHORTINITLEN-NEXT: warning: unexpected end of data at offset 0x2d while reading [0x2c, 0x30)
  23
  24 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=BADTYPEUNIT=1 \
  25 # RUN:   | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=BADTYPEUNITBEFORE %s
  26 # BADTYPEUNITBEFORE: warning: DWARF type unit at offset 0x0000002c has its relocated type_offset 0x0000002d pointing inside the header
  27
  28 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=BADTYPEUNIT=0x100 \
  29 # RUN:   | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=BADTYPEUNITAFTER %s
  30 # BADTYPEUNITAFTER: warning: DWARF type unit from offset 0x0000002c incl. to offset 0x00000045 excl. has its relocated type_offset 0x0000012c pointing past the unit end
  31
  32 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=TOOLONG=1 \
  33 # RUN:   | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=TOOLONG %s
  34 # TOOLONG: warning: DWARF unit from offset 0x0000000c incl. to offset 0x0000002d excl. extends past section size 0x0000002c
  35
  36         .section .debug_abbrev,"",@progbits
  37 .ifndef ABBREVSETINVALID
  38         .uleb128 1                      # Abbreviation Code
  39         .uleb128 17                     # DW_TAG_compile_unit
  40         .uleb128 1                      # DW_CHILDREN_yes
  41         .uleb128 37                     # DW_AT_producer
  42 .ifndef FORMNO
  43         .uleb128 8                      # DW_FORM_string
  44 .else
  45         .uleb128 FORMNO
  46 .endif
  47         .uleb128 0                      # end abbrev 1 DW_AT_*
  48         .uleb128 0                      # end abbrev 1 DW_FORM_*
  49         .uleb128 5                      # Abbreviation Code
  50         .uleb128 10                     # DW_TAG_label
  51         .uleb128 0                      # DW_CHILDREN_no
  52         .uleb128 0                      # end abbrev 4 DW_AT_*
  53         .uleb128 0                      # end abbrev 4 DW_FORM_*
  54         .uleb128 3                      # Abbreviation Code
  55         .uleb128 10                     # DW_TAG_label
  56         .uleb128 0                      # DW_CHILDREN_no
  57         .uleb128 0                      # end abbrev 3 DW_AT_*
  58         .uleb128 0                      # end abbrev 3 DW_FORM_*
  59         .uleb128 4                      # Abbreviation Code
  60         .uleb128 10                     # DW_TAG_label
  61         .uleb128 0                      # DW_CHILDREN_no
  62         .uleb128 0                      # end abbrev 4 DW_AT_*
  63         .uleb128 0                      # end abbrev 4 DW_FORM_*
  64         .uleb128 0                      # end abbrevs section
  65 .endif
  66
  67         .section .debug_info,"",@progbits
  68 ## The first CU is here to shift the next CU being really tested to non-zero CU
  69 ## offset to check more for error messages.
  70         .long    .Lcu_endp-.Lcu_startp  # Length of Unit
  71 .Lcu_startp:
  72         .short   4                      # DWARF version number
  73         .long    .debug_abbrev          # Offset Into Abbrev. Section
  74         .byte    8                      # Address Size (in bytes)
  75         .uleb128 0                      # End Of Children Mark
  76 .Lcu_endp:
  77
  78 .ifndef TOOLONG
  79 .equ TOOLONG, 0
  80 .endif
  81         .long    .Lcu_end0-.Lcu_start0 + TOOLONG  # Length of Unit
  82 .Lcu_start0:
  83         .short   4                      # DWARF version number
  84         .long    .debug_abbrev          # Offset Into Abbrev. Section
  85         .byte    8                      # Address Size (in bytes)
  86 .ifndef ABBREVNO
  87         .uleb128 1                      # Abbrev [1] DW_TAG_compile_unit
  88 .else
  89         .uleb128 ABBREVNO
  90 .endif
  91         .asciz  "hand-written DWARF"    # DW_AT_producer
  92 .ifndef CUEND
  93         .uleb128 0                      # End Of Children Mark
  94 .endif
  95 .Lcu_end0:
  96
  97 .ifdef SHORTINITLEN
  98         .byte    0x55                   # Too short Length of Unit
  99 .endif
 100 .ifdef BADTYPEUNIT
 101         .long    .Lcu_end1-.Lcu_start1  # Length of Unit
 102 .Lcu_start1:
 103         .short   5                      # DWARF version number
 104         .byte    2                      # DW_UT_type
 105         .byte    8                      # Address Size (in bytes)
 106         .long    .debug_abbrev          # Offset Into Abbrev. Section
 107         .quad    0xbaddefacedfacade     # Type Signature
 108         .long    BADTYPEUNIT            # Type DIE Offset
 109         .uleb128 0                      # End Of Children Mark
 110 .Lcu_end1:
 111 .endif