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 */ 44 JNIEXPORT 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_FILTER_FILL_IN_STACK_TRACE == java_lang_StackStreamFactory_FILTER_FILL_IN_STACKTRACE && 49 JVM_STACKWALK_SHOW_HIDDEN_FRAMES == java_lang_StackStreamFactory_SHOW_HIDDEN_FRAMES && 50 JVM_STACKWALK_FILL_LIVE_STACK_FRAMES == java_lang_StackStreamFactory_FILL_LIVE_STACK_FRAMES; 51 } 52 53 /* 54 * Class: java_lang_StackStreamFactory_AbstractStackWalker 55 * Method: callStackWalk 56 * Signature: (JIII[Ljava/lang/Class;[Ljava/lang/StackWalker/StackFrame;)Ljava/lang/Object; 57 */ 58 JNIEXPORT jobject JNICALL Java_java_lang_StackStreamFactory_00024AbstractStackWalker_callStackWalk 59 (JNIEnv *env, jobject stackstream, jlong mode, jint skipFrames, jint batchSize, jint startIndex, 60 jobjectArray classes, jobjectArray frames) 61 { 62 return JVM_CallStackWalk(env, stackstream, mode, skipFrames, batchSize, 63 startIndex, classes, frames); 64 } 65 66 /* 67 * Class: java_lang_StackStreamFactory_AbstractStackWalker 68 * Method: fetchStackFrames 69 * Signature: (JJII[Ljava/lang/Class;[Ljava/lang/StackWalker/StackFrame;)I 70 */ 71 JNIEXPORT jint JNICALL Java_java_lang_StackStreamFactory_00024AbstractStackWalker_fetchStackFrames 72 (JNIEnv *env, jobject stackstream, jlong mode, jlong anchor, 73 jint batchSize, jint startIndex, 74 jobjectArray classes, jobjectArray frames) 75 { 76 return JVM_MoreStackWalk(env, stackstream, mode, anchor, batchSize, 77 startIndex, classes, frames); 78 }