gdb/testsuite/gdb.dwarf2/dw2-skip-prologue.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2011-2019 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 static volatile int v;
  19
  20 asm ("func_start: .globl func_start\n");
  21 static int
  22 func (void)
  23 {
  24   v++;
  25 asm ("func0: .globl func0\n");
  26   v++;
  27 asm ("func1: .globl func1\n");
  28   v++;
  29 asm ("func2: .globl func2\n");
  30   v++;
  31 asm ("func3: .globl func3\n");
  32   return v;
  33 }
  34 asm ("func_end: .globl func_end\n");
  35
  36 /* Equivalent copy but renamed s/func/fund/.  */
  37
  38 asm ("fund_start: .globl fund_start\n");
  39 static int
  40 fund (void)
  41 {
  42   v++;
  43 asm ("fund0: .globl fund0\n");
  44   v++;
  45 asm ("fund1: .globl fund1\n");
  46   v++;
  47 asm ("fund2: .globl fund2\n");
  48   v++;
  49 asm ("fund3: .globl fund3\n");
  50   return v;
  51 }
  52 asm ("fund_end: .globl fund_end\n");
  53
  54 int
  55 main (void)
  56 {
  57   return func () + fund ();
  58 }