llvm/test/tools/llvm-dwarfdump/X86/debug_pub_tables_error_cases.s

   1 # RUN: llvm-mc -triple x86_64 %s -filetype=obj -o %t
   2
   3 ## All four name lookup table sections share the same parser, but slightly
   4 ## different code paths are used to reach it. Do a comprehensive check for one
   5 ## of the sections and minimal checks for the others.
   6
   7 # RUN: not llvm-dwarfdump -debug-gnu-pubnames %t 2> %t.err | FileCheck %s
   8 # RUN: FileCheck %s --input-file=%t.err --check-prefix=ERR
   9
  10 # RUN: not llvm-dwarfdump -debug-pubnames -debug-pubtypes -debug-gnu-pubtypes %t 2>&1 | \
  11 # RUN:   FileCheck %s --check-prefix=ERR-MIN
  12
  13     .section .debug_gnu_pubnames,"",@progbits
  14 # CHECK:      .debug_gnu_pubnames contents:
  15
  16 ## The next few sets do not contain all required fields in the header.
  17 # ERR: error: name lookup table at offset 0x0 does not have a complete header: unexpected end of data at offset 0x5 while reading [0x4, 0x6)
  18 # CHECK-NEXT: length = 0x00000001, format = DWARF32, version = 0x0000, unit_offset = 0x00000000, unit_size = 0x00000000
  19 # CHECK-NEXT: Offset Linkage Kind Name
  20 # CHECK-NOT:  0x
  21     .long .LSet0End-.LSet0      # Length
  22 .LSet0:
  23     .byte 1                     # Version (truncated)
  24 .LSet0End:
  25
  26 # ERR: error: name lookup table at offset 0x5 does not have a complete header: unexpected end of data at offset 0xe while reading [0xb, 0xf)
  27 # CHECK-NEXT: length = 0x00000005, format = DWARF32, version = 0x0002, unit_offset = 0x00000000, unit_size = 0x00000000
  28 # CHECK-NEXT: Offset Linkage Kind Name
  29 # CHECK-NOT:  0x
  30     .long .LSet1End-.LSet1      # Length
  31 .LSet1:
  32     .short 2                    # Version
  33     .byte 1, 2, 3               # Debug Info Offset (truncated)
  34 .LSet1End:
  35
  36 # ERR: error: name lookup table at offset 0xe does not have a complete header: unexpected end of data at offset 0x1b while reading [0x18, 0x1c)
  37 # CHECK-NEXT: length = 0x00000009, format = DWARF32, version = 0x0002, unit_offset = 0x00000032, unit_size = 0x00000000
  38 # CHECK-NEXT: Offset Linkage Kind Name
  39 # CHECK-NOT:  0x
  40     .long .LSet2End-.LSet2      # Length
  41 .LSet2:
  42     .short 2                    # Version
  43     .long 0x32                  # Debug Info Offset
  44     .byte 1, 2, 3               # Debug Info Length (truncated)
  45 .LSet2End:
  46
  47 ## This set is terminated just after the header.
  48 # ERR: error: name lookup table at offset 0x1b parsing failed: unexpected end of data at offset 0x29 while reading [0x29, 0x2d)
  49 # CHECK-NEXT: length = 0x0000000a, format = DWARF32, version = 0x0002, unit_offset = 0x00000048, unit_size = 0x00000064
  50 # CHECK-NEXT: Offset Linkage Kind Name
  51 # CHECK-NOT:  0x
  52     .long .LSet3End-.LSet3      # Length
  53 .LSet3:
  54     .short 2                    # Version
  55     .long 0x48                  # Debug Info Offset
  56     .long 0x64                  # Debug Info Length
  57 .LSet3End:
  58
  59 ## The offset in the first pair is truncated.
  60 # ERR: error: name lookup table at offset 0x29 parsing failed: unexpected end of data at offset 0x3a while reading [0x37, 0x3b)
  61 # CHECK-NEXT: length = 0x0000000d, format = DWARF32, version = 0x0002, unit_offset = 0x000000ac, unit_size = 0x00000036
  62 # CHECK-NEXT: Offset Linkage Kind Name
  63 # CHECK-NOT:  0x
  64     .long .LSet4End-.LSet4      # Length
  65 .LSet4:
  66     .short 2                    # Version
  67     .long 0xac                  # Debug Info Offset
  68     .long 0x36                  # Debug Info Length
  69     .byte 1, 2, 3               # Offset (truncated)
  70 .LSet4End:
  71
  72 ## The set is truncated just after the offset of the first pair.
  73 # ERR: error: name lookup table at offset 0x3a parsing failed: unexpected end of data at offset 0x4c while reading [0x4c, 0x4d)
  74 # CHECK-NEXT: length = 0x0000000e, format = DWARF32, version = 0x0002, unit_offset = 0x000000e2, unit_size = 0x00000015
  75 # CHECK-NEXT: Offset Linkage Kind Name
  76 # CHECK-NOT:  0x
  77     .long .LSet5End-.LSet5      # Length
  78 .LSet5:
  79     .short 2                    # Version
  80     .long 0xe2                  # Debug Info Offset
  81     .long 0x15                  # Debug Info Length
  82     .long 0xf4                  # Offset
  83 .LSet5End:
  84
  85 ## The set is truncated just after the index entry field of the first pair.
  86 # ERR: error: name lookup table at offset 0x4c parsing failed: no null terminated string at offset 0x5f
  87 # CHECK-NEXT: length = 0x0000000f, format = DWARF32, version = 0x0002, unit_offset = 0x000000f7, unit_size = 0x00000010
  88 # CHECK-NEXT: Offset Linkage Kind Name
  89 # CHECK-NOT:  0x
  90     .long .LSet6End-.LSet6      # Length
  91 .LSet6:
  92     .short 2                    # Version
  93     .long 0xf7                  # Debug Info Offset
  94     .long 0x10                  # Debug Info Length
  95     .long 0xf4                  # Offset
  96     .byte 0x30                  # Index Entry
  97 .LSet6End:
  98
  99 ## This set contains a string which is not properly terminated.
 100 # ERR: error: name lookup table at offset 0x5f parsing failed: no null terminated string at offset 0x72
 101 # CHECK-NEXT: length = 0x00000012, format = DWARF32, version = 0x0002, unit_offset = 0x00000107, unit_size = 0x0000004b
 102 # CHECK-NEXT: Offset Linkage Kind Name
 103 # CHECK-NOT:  0x
 104     .long .LSet7End-.LSet7      # Length
 105 .LSet7:
 106     .short 2                    # Version
 107     .long 0x107                 # Debug Info Offset
 108     .long 0x4b                  # Debug Info Length
 109     .long 0x111                 # Offset
 110     .byte 0x30                  # Index Entry
 111     .ascii "foo"                # The string does not terminate before the set data ends.
 112 .LSet7End:
 113
 114 ## This set occupies some space after the terminator.
 115 # ERR: error: name lookup table at offset 0x75 has a terminator at offset 0x8c before the expected end at 0x8d
 116 # CHECK-NEXT: length = 0x00000018, format = DWARF32, version = 0x0002, unit_offset = 0x00000154, unit_size = 0x000002ac
 117 # CHECK-NEXT: Offset Linkage Kind Name
 118 # CHECK-NEXT: 0x0000018e EXTERNAL FUNCTION "foo"
 119 # CHECK-NOT:  0x
 120     .long .LSet8End-.LSet8      # Length
 121 .LSet8:
 122     .short 2                    # Version
 123     .long 0x154                 # Debug Info Offset
 124     .long 0x2ac                 # Debug Info Length
 125     .long 0x18e                 # Offset
 126     .byte 0x30                  # Index Entry
 127     .asciz "foo"                # Name
 128     .long 0                     # Terminator
 129     .space 1
 130 .LSet8End:
 131
 132 ## The remaining space in the section is too short to even contain a unit length
 133 ## field.
 134 # ERR: error: name lookup table at offset 0x91 parsing failed: unexpected end of data at offset 0x94 while reading [0x91, 0x95)
 135 # CHECK-NOT:  length =
 136     .space 3
 137
 138 # ERR-MIN:      .debug_pubnames contents:
 139 # ERR-MIN-NEXT: error: name lookup table at offset 0x0 parsing failed: unexpected end of data at offset 0x1 while reading [0x0, 0x4)
 140 # ERR-MIN:      .debug_pubtypes contents:
 141 # ERR-MIN-NEXT: error: name lookup table at offset 0x0 parsing failed: unexpected end of data at offset 0x1 while reading [0x0, 0x4)
 142 # ERR-MIN:      .debug_gnu_pubtypes contents:
 143 # ERR-MIN-NEXT: error: name lookup table at offset 0x0 parsing failed: unexpected end of data at offset 0x1 while reading [0x0, 0x4)
 144
 145     .section .debug_pubnames,"",@progbits
 146     .byte 0
 147     .section .debug_pubtypes,"",@progbits
 148     .byte 0
 149     .section .debug_gnu_pubtypes,"",@progbits
 150     .byte 0