1/* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26/* 27 * Implementation of class StackStreamfactory and AbstractStackWalker 28 */ 29 30#include <stdio.h> 31#include <signal.h> 32 33#include "jni.h" 34#include "jvm.h" 35 36#include "java_lang_StackStreamFactory.h" 37#include "java_lang_StackStreamFactory_AbstractStackWalker.h" 38 39/* 40 * Class: java_lang_StackStreamFactory 41 * Method: checkStackWalkModes 42 * Signature: () 43 */ 44JNIEXPORT jboolean JNICALL Java_java_lang_StackStreamFactory_checkStackWalkModes 45 (JNIEnv *env, jclass dummy) 46{ 47 return JVM_STACKWALK_FILL_CLASS_REFS_ONLY == java_lang_StackStreamFactory_FILL_CLASS_REFS_ONLY && 48 JVM_STACKWALK_SHOW_HIDDEN_FRAMES == java_lang_StackStreamFactory_SHOW_HIDDEN_FRAMES && 49 JVM_STACKWALK_FILL_LIVE_STACK_FRAMES == java_lang_StackStreamFactory_FILL_LIVE_STACK_FRAMES; 50} 51 52/* 53 * Class: java_lang_StackStreamFactory_AbstractStackWalker 54 * Method: callStackWalk 55 * Signature: (JIII[Ljava/lang/Object;)Ljava/lang/Object; 56 */ 57JNIEXPORT jobject JNICALL Java_java_lang_StackStreamFactory_00024AbstractStackWalker_callStackWalk 58 (JNIEnv *env, jobject stackstream, jlong mode, jint skipFrames, jint batchSize, jint startIndex, 59 jobjectArray frames) 60{ 61 return JVM_CallStackWalk(env, stackstream, mode, skipFrames, batchSize, 62 startIndex, frames); 63} 64 65/* 66 * Class: java_lang_StackStreamFactory_AbstractStackWalker 67 * Method: fetchStackFrames 68 * Signature: (JJII[Ljava/lang/Object;)I 69 */ 70JNIEXPORT jint JNICALL Java_java_lang_StackStreamFactory_00024AbstractStackWalker_fetchStackFrames 71 (JNIEnv *env, jobject stackstream, jlong mode, jlong anchor, 72 jint batchSize, jint startIndex, 73 jobjectArray frames) 74{ 75 return JVM_MoreStackWalk(env, stackstream, mode, anchor, batchSize, 76 startIndex, frames); 77} 78