gdb/testsuite/gdb.base/watch-bitfields.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2014-2020 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 struct foo
  19 {
  20   unsigned long a:1;
  21   unsigned char b:2;
  22   unsigned long c:3;
  23   char d:4;
  24   int e:5;
  25   char f:6;
  26   int g:7;
  27   long h:8;
  28 } q = { 0 };
  29
  30 int
  31 main (void)
  32 {
  33   q.a = 1;
  34   q.b = 2;
  35   q.c = 3;
  36   q.d = 4;
  37   q.e = 5;
  38   q.f = 6;
  39   q.g = -7;
  40   q.h = -8;
  41   q.a--;
  42   q.h--;
  43   q.c--;
  44   q.b--;
  45   q.e--;
  46   q.d--;
  47   q.c--;
  48   q.f--;
  49   q.g--;
  50   q.h--;
  51
  52
  53   return 0;
  54 }