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: llvm-dwarfdump --debug-rnglists - 2>&1 | FileCheck %s --check-prefix=SHORT
   3 # SHORT-NOT: error:
   4 # SHORT-NOT: range list header
   5 # SHORT: error: section is not large enough to contain a .debug_rnglists table length at offset 0
   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: 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, 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, 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 2
  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: insufficient space remaining in table for 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 # RUN: llvm-mc %S/Inputs/debug_rnglists_DWARF64.s -filetype obj -triple x86_64-pc-linux -o - | \
  41 # RUN: llvm-dwarfdump --debug-rnglists - 2>&1 | FileCheck %s --check-prefix=DWARF64
  42
  43 # DWARF64: DWARF64 is not supported in .debug_rnglists at offset 0x0
  44
  45 .section .debug_rnglists,"",@progbits
  46
  47 # Table 1 (good)
  48 .long 30 # Table length
  49 .short 5 # Version
  50 .byte 8  # Address size
  51 .byte 0  # Segment selector size
  52 .long 1  # Offset entry count
  53
  54 # Offsets
  55 .long 4
  56
  57 # First range list
  58 .byte 6         # DW_RLE_start_length
  59 .quad 0x10, 0x20   # Encoding payload
  60 .byte 0         # DW_RLE_end_of_list
  61
  62 # Table 2 (length too small for header)
  63 .long 7  # Table length
  64 .short 5 # Version
  65 .byte 8  # Address size
  66 .byte 0  # Segment selector size
  67 .byte 0, 0, 0  # Truncated offset entry count
  68
  69 # Table 3 (unknown version)
  70 .long 8  # Table length
  71 .short 4 # Version
  72 .byte 8  # Address size
  73 .byte 0  # Segment selector size
  74 .long 0  # Offset entry count
  75
  76 # Table 4 (unsupported address size)
  77 .long 8  # Table length
  78 .short 5 # Version
  79 .byte 2  # Address size
  80 .byte 0  # Segment selector size
  81 .long 0  # Offset entry count
  82
  83 # Table 5 (unsupported segment selector size)
  84 .long 8  # Table length
  85 .short 5 # Version
  86 .byte 8  # Address size
  87 .byte 4  # Segment selector size
  88 .long 0  # Offset entry count
  89
  90 # Table 6 (bad offset entry count)
  91 .long 8  # Table length
  92 .short 5 # Version
  93 .byte 8  # Address size
  94 .byte 0  # Segment selector size
  95 .long 12345678  # Offset entry count
  96
  97 # Table 7 (malformed DW_RLE_start_end)
  98 .long 21 # Table length
  99 .short 5 # Version
 100 .byte 8  # Address size
 101 .byte 0  # Segment selector size
 102 .long 0  # Offset entry count
 103
 104 # First range list
 105 .byte 6          # DW_RLE_start_end
 106 .quad 1            # Start address
 107 .long 4            # Truncated end address
 108
 109 # Table 8 (malformed DW_RLE_start_length)
 110 .long 18 # Table length
 111 .short 5 # Version
 112 .byte 8  # Address size
 113 .byte 0  # Segment selector size
 114 .long 0  # Offset entry count
 115
 116 # First range list
 117 .byte 7          # DW_RLE_start_length
 118 .quad 1            # Start address
 119 .byte 0xFF         # Length - invalid ULEB, so will continue reading past the end
 120
 121 # Table 9 (unknown encoding)
 122 .long 26 # Table length
 123 .short 5 # Version
 124 .byte 8  # Address size
 125 .byte 0  # Segment selector size
 126 .long 0  # Offset entry count
 127
 128 # First range list
 129 .byte 42         # Unknown encoding
 130 .quad 0x10, 0x20   # Encoding payload
 131 .byte 0          # DW_RLE_end_of_list
 132
 133 # Table 10 (missing end of list marker)
 134 .long 25 # Table length
 135 .short 5 # Version
 136 .byte 8  # Address size
 137 .byte 0  # Segment selector size
 138 .long 0  # Offset entry count
 139
 140 # First range list
 141 .byte 6         # DW_RLE_start_length
 142 .quad 0x10, 0x20   # Encoding payload
 143
 144 # Table 11 (good)
 145 .long 26 # Table length
 146 .short 5 # Version
 147 .byte 8  # Address size
 148 .byte 0  # Segment selector size
 149 .long 0  # Offset entry count
 150
 151 # First range list
 152 .byte 6         # DW_RLE_start_length
 153 .quad 0x30, 0x40   # Encoding payload
 154 .byte 0         # DW_RLE_end_of_list
 155
 156 # Table 12 (length too long)
 157 .long 27 # Table length - 1 greater than actual contents
 158 .short 5 # Version
 159 .byte 8  # Address size
 160 .byte 0  # Segment selector size
 161 .long 0  # Offset entry count
 162
 163 # First range list
 164 .byte 6          # DW_RLE_start_end
 165 .quad 1, 2         # Start, end address
 166 .byte 0          # DW_RLE_end_of_list