test/MC/ELF/debug-loc.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | elf-dump  | FileCheck %s
   2
   3 // Test that we don't regress on the size of the line info section. We used
   4 // to handle negative line diffs incorrectly which manifested as very
   5 // large integers being passed to DW_LNS_advance_line.
   6
   7 // FIXME: This size is the same as gnu as, but we can probably do a bit better.
   8 // FIXME2: We need a debug_line dumper so that we can test the actual contents.
   9
  10 // CHECK:      # Section 0x00000004
  11 // CHECK-NEXT: (('sh_name', 0x00000011) # '.debug_line'
  12 // CHECK-NEXT:  ('sh_type', 0x00000001)
  13 // CHECK-NEXT:  ('sh_flags', 0x00000000)
  14 // CHECK-NEXT:  ('sh_addr', 0x00000000)
  15 // CHECK-NEXT:  ('sh_offset', 0x00000044)
  16 // CHECK-NEXT:  ('sh_size', 0x0000003d)
  17 // CHECK-NEXT:  ('sh_link', 0x00000000)
  18 // CHECK-NEXT:  ('sh_info', 0x00000000)
  19 // CHECK-NEXT:  ('sh_addralign', 0x00000001)
  20 // CHECK-NEXT:  ('sh_entsize', 0x00000000)
  21 // CHECK-NEXT: ),
  22
  23         .section        .debug_line,"",@progbits
  24         .text
  25 foo:
  26         .file 1 "Driver.ii"
  27         .loc 1 2 0
  28         nop
  29         .loc 1 4 0
  30         nop
  31         .loc 1 3 0
  32         nop