gnu/dist/gdb6/gdb/testsuite/gdb.base/savedregs.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2004 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 2 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, write to the Free Software
  17    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19 */
  20
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <signal.h>
  24 #include <sys/time.h>
  25
  26 static volatile int done;
  27
  28 extern int
  29 callee (int param)
  30 {
  31   return param * done + 1;
  32 }
  33
  34 extern int
  35 caller (int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
  36 {
  37   return callee (a1 << a2 * a3 / a4 + a6 & a6 % a7 - a8) + done;
  38 }
  39
  40 static void
  41 catcher (int sig)
  42 {
  43   done = 1;
  44 } /* handler */
  45
  46 static void
  47 thrower (void)
  48 {
  49   *(char *)0 = 0;
  50 }
  51
  52 main ()
  53 {
  54   signal (SIGSEGV, catcher);
  55   thrower ();
  56 }