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

   1 # RUN: llvm-mc %S/Inputs/debug_rnglists_short_section.s -filetype obj -triple x86_64-pc-linux -o - | \
   2 # RUN: not llvm-dwarfdump --debug-rnglists - 2>&1 | FileCheck %s --check-prefix=SHORT
   3 # SHORT-NOT: error:
   4 # SHORT-NOT: range list header
   5 # SHORT: error: parsing .debug_rnglists table at offset 0x0: unexpected end of data at offset 0x3
   6 # SHORT-NOT: range list header
   7 # SHORT-NOT: error:
   8
   9 # RUN: llvm-mc %s -filetype obj -triple x86_64-pc-linux -o - | \
  10 # RUN: not llvm-dwarfdump --debug-rnglists - 2> %t.err | FileCheck %s --check-prefix=GOOD
  11 # RUN: FileCheck %s --input-file %t.err
  12
  13 # GOOD: .debug_rnglists contents:
  14 # GOOD-NEXT: range list header: length = 0x0000001e, format = DWARF32, version = 0x0005, addr_size = 0x08, seg_size = 0x00, offset_entry_count = 0x00000001
  15 # GOOD-NEXT: offsets: [
  16 # GOOD-NEXT:    0x00000004
  17 # GOOD-NEXT: ]
  18 # GOOD-NEXT: ranges:
  19 # GOOD-NEXT: [0x0000000000000010, 0x0000000000000020)
  20 # GOOD-NEXT: <End of list>
  21 # GOOD-NEXT: range list header: length = 0x0000001a, format = DWARF32, version = 0x0005, addr_size = 0x08, seg_size = 0x00, offset_entry_count = 0x00000000
  22 # GOOD-NEXT: ranges:
  23 # GOOD-NEXT: [0x0000000000000030, 0x0000000000000040)
  24 # GOOD-NEXT: <End of list>
  25 # GOOD-NOT:  range list header
  26
  27 # CHECK-NOT: error:
  28 # CHECK: error: .debug_rnglists table at offset 0x22 has too small length (0xb) to contain a complete header
  29 # CHECK-NEXT: error: unrecognised .debug_rnglists table version 4 in table at offset 0x2d
  30 # CHECK-NEXT: error: .debug_rnglists table at offset 0x39 has unsupported address size: 3
  31 # CHECK-NEXT: error: .debug_rnglists table at offset 0x45 has unsupported segment selector size 4
  32 # CHECK-NEXT: error: .debug_rnglists table at offset 0x51 has more offset entries (12345678) than there is space for
  33 # CHECK-NEXT: error: read past end of table when reading DW_RLE_start_end encoding at offset 0x69
  34 # CHECK-NEXT: error: read past end of table when reading DW_RLE_start_length encoding at offset 0x82
  35 # CHECK-NEXT: error: unknown rnglists encoding 0x2a at offset 0x98
  36 # CHECK-NEXT: error: no end of list marker detected at end of .debug_rnglists table starting at offset 0xaa
  37 # CHECK-NEXT: error: section is not large enough to contain a .debug_rnglists table of length 0x1f at offset 0xe5
  38 # CHECK-NOT: error:
  39
  40 .section .debug_rnglists,"",@progbits
  41
  42 # Table 1 (good)
  43 .long 30 # Table length
  44 .short 5 # Version
  45 .byte 8  # Address size
  46 .byte 0  # Segment selector size
  47 .long 1  # Offset entry count
  48
  49 # Offsets
  50 .long 4
  51
  52 # First range list
  53 .byte 6         # DW_RLE_start_length
  54 .quad 0x10, 0x20   # Encoding payload
  55 .byte 0         # DW_RLE_end_of_list
  56
  57 # Table 2 (length too small for header)
  58 .long 7  # Table length
  59 .short 5 # Version
  60 .byte 8  # Address size
  61 .byte 0  # Segment selector size
  62 .byte 0, 0, 0  # Truncated offset entry count
  63
  64 # Table 3 (unknown version)
  65 .long 8  # Table length
  66 .short 4 # Version
  67 .byte 8  # Address size
  68 .byte 0  # Segment selector size
  69 .long 0  # Offset entry count
  70
  71 # Table 4 (unsupported address size)
  72 .long 8  # Table length
  73 .short 5 # Version
  74 .byte 3  # Address size
  75 .byte 0  # Segment selector size
  76 .long 0  # Offset entry count
  77
  78 # Table 5 (unsupported segment selector size)
  79 .long 8  # Table length
  80 .short 5 # Version
  81 .byte 8  # Address size
  82 .byte 4  # Segment selector size
  83 .long 0  # Offset entry count
  84
  85 # Table 6 (bad offset entry count)
  86 .long 8  # Table length
  87 .short 5 # Version
  88 .byte 8  # Address size
  89 .byte 0  # Segment selector size
  90 .long 12345678  # Offset entry count
  91
  92 # Table 7 (malformed DW_RLE_start_end)
  93 .long 21 # Table length
  94 .short 5 # Version
  95 .byte 8  # Address size
  96 .byte 0  # Segment selector size
  97 .long 0  # Offset entry count
  98
  99 # First range list
 100 .byte 6          # DW_RLE_start_end
 101 .quad 1            # Start address
 102 .long 4            # Truncated end address
 103
 104 # Table 8 (malformed DW_RLE_start_length)
 105 .long 18 # Table length
 106 .short 5 # Version
 107 .byte 8  # Address size
 108 .byte 0  # Segment selector size
 109 .long 0  # Offset entry count
 110
 111 # First range list
 112 .byte 7          # DW_RLE_start_length
 113 .quad 1            # Start address
 114 .byte 0xFF         # Length - invalid ULEB, so will continue reading past the end
 115
 116 # Table 9 (unknown encoding)
 117 .long 26 # Table length
 118 .short 5 # Version
 119 .byte 8  # Address size
 120 .byte 0  # Segment selector size
 121 .long 0  # Offset entry count
 122
 123 # First range list
 124 .byte 42         # Unknown encoding
 125 .quad 0x10, 0x20   # Encoding payload
 126 .byte 0          # DW_RLE_end_of_list
 127
 128 # Table 10 (missing end of list marker)
 129 .long 25 # Table length
 130 .short 5 # Version
 131 .byte 8  # Address size
 132 .byte 0  # Segment selector size
 133 .long 0  # Offset entry count
 134
 135 # First range list
 136 .byte 6         # DW_RLE_start_length
 137 .quad 0x10, 0x20   # Encoding payload
 138
 139 # Table 11 (good)
 140 .long 26 # Table length
 141 .short 5 # Version
 142 .byte 8  # Address size
 143 .byte 0  # Segment selector size
 144 .long 0  # Offset entry count
 145
 146 # First range list
 147 .byte 6         # DW_RLE_start_length
 148 .quad 0x30, 0x40   # Encoding payload
 149 .byte 0         # DW_RLE_end_of_list
 150
 151 # Table 12 (length too long)
 152 .long 27 # Table length - 1 greater than actual contents
 153 .short 5 # Version
 154 .byte 8  # Address size
 155 .byte 0  # Segment selector size
 156 .long 0  # Offset entry count
 157
 158 # First range list
 159 .byte 6          # DW_RLE_start_end
 160 .quad 1, 2         # Start, end address
 161 .byte 0          # DW_RLE_end_of_list