1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/test/runtime/jsig/TestJNI.c Wed Jul 17 12:22:57 2013 -0700 1.3 @@ -0,0 +1,61 @@ 1.4 +/* 1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + */ 1.26 + 1.27 +#include <stdio.h> 1.28 +#include <jni.h> 1.29 +#define __USE_GNU 1.30 +#include <signal.h> 1.31 +#include <sys/ucontext.h> 1.32 + 1.33 +#ifdef __cplusplus 1.34 +extern "C" { 1.35 +#endif 1.36 + 1.37 +void sig_handler(int sig, siginfo_t *info, ucontext_t *context) { 1.38 + int thrNum; 1.39 + 1.40 + printf( " HANDLER (1) " ); 1.41 + // Move forward RIP to skip failing instruction 1.42 + context->uc_mcontext.gregs[REG_RIP] += 6; 1.43 +} 1.44 + 1.45 +JNIEXPORT void JNICALL Java_TestJNI_doSomething(JNIEnv *env, jclass klass, jint val) { 1.46 + struct sigaction act; 1.47 + struct sigaction oact; 1.48 + pthread_attr_t attr; 1.49 + stack_t stack; 1.50 + 1.51 + act.sa_flags = SA_ONSTACK|SA_RESTART|SA_SIGINFO; 1.52 + sigfillset(&act.sa_mask); 1.53 + act.sa_handler = SIG_DFL; 1.54 + act.sa_sigaction = (void (*)())sig_handler; 1.55 + sigaction(0x20+val, &act, &oact); 1.56 + 1.57 + printf( " doSomething(%d) " , val); 1.58 + printf( " old handler = %p " , oact.sa_handler); 1.59 +} 1.60 + 1.61 +#ifdef __cplusplus 1.62 +} 1.63 +#endif 1.64 +