1/* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2004-2023 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 25static volatile int done; 26 27extern int 28callee (int param) 29{ 30 return param * done + 1; 31} 32 33extern int 34caller (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 39static void 40catcher (int sig) 41{ 42 done = 1; 43} /* handler */ 44 45static void 46thrower (void) 47{ 48 /* Trigger a SIGSEGV. */ 49 *(volatile 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 64int 65main () 66{ 67 signal (SIGILL, catcher); 68 signal (SIGSEGV, catcher); 69 thrower (); 70 return 0; 71} 72