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

   1 # RUN: llvm-mc %s -filetype obj -triple x86_64-pc-linux -o %t.o
   2 # RUN: llvm-dwarfdump -v %t.o | FileCheck %s
   3
   4 # DW_LLE_startx_length has different `length` encoding in pre-DWARF 5
   5 # and final DWARF 5 versions. This test checks we are able to parse
   6 # the final version which uses ULEB128 and not the U32.
   7
   8 # CHECK:         .debug_loclists contents:
   9 # CHECK-NEXT:    0x00000000: locations list header: length = 0x0000000e, version = 0x0005, addr_size = 0x08, seg_size = 0x00, offset_entry_count = 0x00000000
  10 # CHECK-NEXT:    0x0000000c:
  11 # CHECK-NEXT:                DW_LLE_startx_length(0x0000000000000001, 0x0000000000000010)
  12 # CHECK-NEXT:                                 => Addr idx 1 (w/ length 16): DW_OP_reg5 RDI
  13 # CHECK-NEXT:                DW_LLE_end_of_list  ()
  14
  15 .section .debug_loclists,"",@progbits
  16  .long  .Ldebug_loclist_table_end0-.Ldebug_loclist_table_start0
  17 .Ldebug_loclist_table_start0:
  18  .short 5         # Version.
  19  .byte 8          # Address size.
  20  .byte 0          # Segmen selector size.
  21  .long 0          # Offset entry count.
  22
  23  .byte 3          # DW_LLE_startx_length
  24  .byte 0x01       # Index
  25  .uleb128 0x10    # Length
  26  .byte 1          # Loc expr size
  27  .byte 85         # DW_OP_reg5
  28  .byte 0          # DW_LLE_end_of_list
  29 .Ldebug_loclist_table_end0: