llvm/test/tools/llvm-dwarfdump/X86/debug_line_short_prologue_v4.s

   1 ## Test cases when we run into the end of section while parsing a line table
   2 ## prologue.
   3
   4 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym CASE=0 -o %t0
   5 # RUN: llvm-dwarfdump -debug-line %t0 2>&1 | FileCheck %s --check-prefixes=ALL,C0
   6
   7 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym CASE=1 -o %t1
   8 # RUN: llvm-dwarfdump -debug-line %t1 2>&1 | FileCheck %s --check-prefixes=ALL,C1
   9
  10 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym CASE=2 -o %t2
  11 # RUN: llvm-dwarfdump -debug-line %t2 2>&1 | FileCheck %s --check-prefixes=ALL,C1
  12
  13 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym CASE=3 -o %t3
  14 # RUN: llvm-dwarfdump -debug-line %t3 2>&1 | FileCheck %s --check-prefixes=ALL,C1
  15
  16 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym CASE=4 -o %t4
  17 # RUN: llvm-dwarfdump -debug-line %t4 2>&1 | FileCheck %s --check-prefixes=ALL,C1
  18
  19 # RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym CASE=5 -o %t5
  20 # RUN: llvm-dwarfdump -debug-line %t5 2>&1 | FileCheck %s --check-prefixes=ALL,OK
  21
  22 # ALL:      debug_line[0x00000000]
  23
  24 # C0-NEXT:  warning: parsing line table prologue at 0x00000000 found an invalid directory or file table description at 0x00000021
  25 # C0-NEXT:  warning: include directories table was not null terminated before the end of the prologue
  26 # C0:       include_directories[  1] = "dir1"
  27
  28 # C1-NEXT:  warning: parsing line table prologue at 0x00000000 found an invalid directory or file table description
  29 # C1-NEXT:  warning: file names table was not null terminated before the end of the prologue
  30 # C1:       include_directories[  2] = "dir2"
  31 # C1-NEXT:  file_names[  1]:
  32 # C1-NEXT:             name: "file1"
  33 # C1-NEXT:        dir_index: 1
  34 # C1-NEXT:         mod_time: 0x00000002
  35 # C1-NEXT:           length: 0x00000003
  36
  37 # OK:       file_names[  2]:
  38 # OK-NEXT:             name: "file2"
  39 # OK-NEXT:        dir_index: 1
  40 # OK-NEXT:         mod_time: 0x00000005
  41 # OK-NEXT:           length: 0x00000006
  42
  43 .section .debug_line,"",@progbits
  44 .long   .Lend-.Lstart   # Length of Unit
  45 .Lstart:
  46 .short  4               # DWARF version number
  47 .long   .Lprologue_end-.Lprologue_start  # Length of Prologue
  48 .Lprologue_start:
  49 .byte   1               # Minimum Instruction Length
  50 .byte   1               # Maximum Operations per Instruction
  51 .byte   1               # Default is_stmt
  52 .byte   -5              # Line Base
  53 .byte   14              # Line Range
  54 .byte   13              # Opcode Base
  55 .byte   0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1 # Standard Opcode Lengths
  56 .asciz "dir1"           # Include table
  57 .if CASE >= 1
  58 .asciz "dir2"
  59 .byte   0
  60 .asciz "file1"          # File table
  61 .byte   1, 2, 3
  62 .if CASE >= 2
  63 .asciz "file2"
  64 .if CASE >= 3
  65 .byte 1
  66 .if CASE >= 4
  67 .byte 5
  68 .if CASE >= 5
  69 .byte 6
  70 .byte 0
  71 .endif
  72 .endif
  73 .endif
  74 .endif
  75 .endif
  76
  77 .Lprologue_end:
  78 .Lend: