| 1 | /* This testcase is part of GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright 2004-2016 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 |
| 28 | callee (int param) |
| 29 | { |
| 30 | return param * done + 1; |
| 31 | } |
| 32 | |
| 33 | extern int |
| 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 |
| 40 | catcher (int sig) |
| 41 | { |
| 42 | done = 1; |
| 43 | } /* handler */ |
| 44 | |
| 45 | static 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 | |
| 64 | int |
| 65 | main () |
| 66 | { |
| 67 | signal (SIGILL, catcher); |
| 68 | signal (SIGSEGV, catcher); |
| 69 | thrower (); |
| 70 | return 0; |
| 71 | } |