1/*
2 * Copyright (c) 1994, 2011, 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 Throwable
28 *
29 *      former classruntime.c, Wed Jun 26 18:43:20 1991
30 */
31
32#include <stdio.h>
33#include <signal.h>
34
35#include "jni.h"
36#include "jvm.h"
37
38#include "JNIHelp.h"
39
40#define NATIVE_METHOD(className, functionName, signature) \
41{ #functionName, signature, (void*)(className ## _ ## functionName) }
42
43/*
44 * Fill in the current stack trace in this exception.  This is
45 * usually called automatically when the exception is created but it
46 * may also be called explicitly by the user.  This routine returns
47 * `this' so you can write 'throw e.fillInStackTrace();'
48 */
49JNIEXPORT jobject JNICALL
50Throwable_fillInStackTrace(JNIEnv *env, jobject throwable, int dummy)
51{
52    JVM_FillInStackTrace(env, throwable);
53    return throwable;
54}
55
56JNIEXPORT jint JNICALL
57Throwable_getStackTraceDepth(JNIEnv *env, jobject throwable)
58{
59    return JVM_GetStackTraceDepth(env, throwable);
60}
61
62JNIEXPORT jobject JNICALL
63Throwable_getStackTraceElement(JNIEnv *env,
64                                              jobject throwable, jint index)
65{
66    return JVM_GetStackTraceElement(env, throwable, index);
67}
68static JNINativeMethod gMethods[] = {
69  NATIVE_METHOD(Throwable, fillInStackTrace, "(I)Ljava/lang/Throwable;"),
70  NATIVE_METHOD(Throwable, getStackTraceDepth, "()I"),
71  NATIVE_METHOD(Throwable, getStackTraceElement, "(I)Ljava/lang/StackTraceElement;"),
72};
73
74void register_java_lang_Throwable(JNIEnv* env) {
75  jniRegisterNativeMethods(env, "java/lang/Throwable", gMethods, NELEM(gMethods));
76}
77