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