gdb/testsuite/gdb.dwarf2/dw2-line-number-zero.c

   1 /*
   2    Copyright 2020-2022 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17 void
  18 foo (int x)
  19 {
  20
  21 }
  22
  23 void
  24 bar1 (void)
  25 {
  26   asm ("bar1_label: .globl bar1_label");
  27   foo (1);
  28   asm ("bar1_label_2: .globl bar1_label_2");
  29   foo (2);
  30   asm ("bar1_label_3: .globl bar1_label_3");
  31   foo (3);
  32   asm ("bar1_label_4: .globl bar1_label_4");
  33   foo (4);
  34   asm ("bar1_label_5: .globl bar1_label_5");
  35 }
  36
  37 void
  38 bar2 (void)
  39 {
  40   asm ("bar2_label: .globl bar2_label");
  41   foo (1);
  42   asm ("bar2_label_2: .globl bar2_label_2");
  43   foo (2);
  44   asm ("bar2_label_3: .globl bar2_label_3");
  45   foo (3);
  46   asm ("bar2_label_4: .globl bar2_label_4");
  47   foo (4);
  48   asm ("bar2_label_5: .globl bar2_label_5");
  49 }
  50
  51 int
  52 main (void)
  53 {
  54   asm ("main_label: .globl main_label");
  55
  56   bar1 ();
  57
  58   bar2 ();
  59
  60   return 0;
  61 }
  62