llvm/test/tools/llvm-dwarfdump/X86/debug-line-dw-lne-end-sequence.s

   1 ## Show that the DW_LNE_end_sequence opcode resets the line state
   2 ## properly and the rows are printed correctly.
   3
   4 # RUN: llvm-mc -filetype obj -triple x86_64 %s -o %t.o
   5 # RUN: llvm-dwarfdump --debug-line %t.o | FileCheck %s --check-prefixes=HEADER,ROWS
   6 # RUN: llvm-dwarfdump --debug-line %t.o --verbose | FileCheck %s --check-prefix=ROWS
   7
   8 # HEADER:      Address            Line   Column File   ISA Discriminator OpIndex Flags
   9 # HEADER-NEXT: ------------------ ------ ------ ------ --- ------------- ------- -------------
  10 # ROWS:        0x0000000012345678      1      0      1   0             1       0  is_stmt basic_block prologue_end epilogue_begin end_sequence
  11 # ROWS:        0x0000000000000001      2      0      1   0             0       0  is_stmt
  12 # ROWS:        0x0000000000000001      2      0      1   0             0       0  is_stmt end_sequence
  13
  14 .section .debug_line,"",@progbits
  15 .Line_table_start0:
  16   .long   .Line_table_end0-.Line_table_start0-4   # Length of Unit
  17   .short  5               # DWARF version number
  18   .byte   8               # Address Size
  19   .byte   0               # Segment Selector Size
  20   .long   .Line_table_header_end0-.Line_table_params0     # Length of Prologue
  21 .Line_table_params0:
  22   .byte   1               # Minimum Instruction Length
  23   .byte   1               # Maximum Operations per Instruction
  24   .byte   1               # Default is_stmt
  25   .byte   -5              # Line Base
  26   .byte   14              # Line Range
  27   .byte   13              # Opcode Base
  28   .byte   0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1 # Standard Opcode Lengths
  29   # Directory table format
  30   .byte   1               # One element per directory entry
  31   .byte   1               # DW_LNCT_path
  32   .byte   0x08            # DW_FORM_string
  33   # Directory table entries
  34   .byte   1               # 1 directory
  35   .asciz  "/tmp"
  36   # File table format
  37   .byte   2               # 2 elements per file entry
  38   .byte   1               # DW_LNCT_path
  39   .byte   0x08            # DW_FORM_string
  40   .byte   2               # DW_LNCT_directory_index
  41   .byte   0x0b            # DW_FORM_data1
  42   # File table entries
  43   .byte   1               # 1 file
  44   .asciz  "a.c"
  45   .byte   0
  46 .Line_table_header_end0:
  47   .byte   0,9,2           # DW_LNE_set_address
  48   .quad   0x12345678
  49   .byte   7               # DW_LNS_set_basic_block
  50   .byte   10              # DW_LNS_set_prologue_end
  51   .byte   11              # DW_LNS_set_epilogue_begin
  52   .byte   0,2,4,1         # DW_LNE_set_discriminator 1
  53   .byte   0,1,1           # DW_LNE_end_sequence
  54   .byte   33              # address += 1, line += 1
  55   .byte   0,1,1           # DW_LNE_end_sequence
  56 .Line_table_end0: