/*

 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 *      Implementation of class StackStreamfactory and AbstractStackWalker

 */

#include <stdio.h>

#include <signal.h>

#include "jni.h"

#include "jvm.h"

#include "java_lang_StackStreamFactory.h"

#include "java_lang_StackStreamFactory_AbstractStackWalker.h"

/*

 * Class:     java_lang_StackStreamFactory

 * Method:    checkStackWalkModes

 * Signature: ()

 */

JNIEXPORT jboolean JNICALL Java_java_lang_StackStreamFactory_checkStackWalkModes

  (JNIEnv *env, jclass dummy)

{

   return JVM_STACKWALK_FILL_CLASS_REFS_ONLY == java_lang_StackStreamFactory_FILL_CLASS_REFS_ONLY &&

          JVM_STACKWALK_SHOW_HIDDEN_FRAMES == java_lang_StackStreamFactory_SHOW_HIDDEN_FRAMES &&

          JVM_STACKWALK_FILL_LIVE_STACK_FRAMES == java_lang_StackStreamFactory_FILL_LIVE_STACK_FRAMES;

}

/*

 * Class:     java_lang_StackStreamFactory_AbstractStackWalker

 * Method:    callStackWalk

 * Signature: (JIII[Ljava/lang/Object;)Ljava/lang/Object;

 */

JNIEXPORT jobject JNICALL Java_java_lang_StackStreamFactory_00024AbstractStackWalker_callStackWalk

  (JNIEnv *env, jobject stackstream, jlong mode, jint skipFrames, jint batchSize, jint startIndex,

   jobjectArray frames)

{

    return JVM_CallStackWalk(env, stackstream, mode, skipFrames, batchSize,

                             startIndex, frames);

}

/*

 * Class:     java_lang_StackStreamFactory_AbstractStackWalker

 * Method:    fetchStackFrames

 * Signature: (JJII[Ljava/lang/Object;)I

 */

JNIEXPORT jint JNICALL Java_java_lang_StackStreamFactory_00024AbstractStackWalker_fetchStackFrames

  (JNIEnv *env, jobject stackstream, jlong mode, jlong anchor,

   jint batchSize, jint startIndex,

   jobjectArray frames)

{

    return JVM_MoreStackWalk(env, stackstream, mode, anchor, batchSize,

                             startIndex, frames);

}