/* * Copyright (c) 2006, Swedish Institute of Computer Science. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: level4.c,v 1.3 2008/11/20 16:22:28 fros4943 Exp $ */ #include #include long ref_var; /* Placed somewhere in the BSS section */ int initialized_counter=1; /* Variable in data section */ int uninitialized_counter; /* Variable in BSS section */ JNIEXPORT void JNICALL Java_Level4_setReferenceAddress(JNIEnv *env, jobject obj, jint addr) { /*printf("relative reference address is %p\n", addr);*/ /*printf("absolute reference address is %p\n", &ref_var);*/ ref_var = (((long)&ref_var) - ((long)addr)); printf("Offset is 0x%p\n", ref_var); fflush(stdout); } JNIEXPORT void JNICALL Java_Level4_doCount(JNIEnv *env, jobject obj) { printf(">> DATA_counter=\t%i\tBSS_counter=\t%i\n", initialized_counter++, uninitialized_counter++); fflush(stdout); }