1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright 2004-2013 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 */
19 
20 #include <stdio.h>
21 #include <string.h>
22 #include <signal.h>
23 #include <sys/time.h>
24 
25 static volatile int done;
26 
27 extern int
callee(int param)28 callee (int param)
29 {
30   return param * done + 1;
31 }
32 
33 extern int
caller(int a1,int a2,int a3,int a4,int a5,int a6,int a7,int a8)34 caller (int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
35 {
36   return callee (a1 << a2 * a3 / a4 + a6 & a6 % a7 - a8) + done;
37 }
38 
39 static void
catcher(int sig)40 catcher (int sig)
41 {
42   done = 1;
43 } /* handler */
44 
45 static void
thrower(void)46 thrower (void)
47 {
48   /* Trigger a SIGSEGV.  */
49   *(char *)0 = 0;
50 
51   /* On MMU-less system, previous memory access to address zero doesn't
52      trigger a SIGSEGV.  Trigger a SIGILL.  Each arch should define its
53      own illegal instruction here.  */
54 
55 #if defined(__arm__)
56   asm(".word 0xf8f00000");
57 #elif defined(__TMS320C6X__)
58   asm(".word 0x56454313");
59 #else
60 #endif
61 
62 }
63 
main()64 main ()
65 {
66   signal (SIGILL, catcher);
67   signal (SIGSEGV, catcher);
68   thrower ();
69 }
70