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 <nativehelper/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 */
49 JNIEXPORT jobject JNICALL
Throwable_fillInStackTrace(JNIEnv * env,jobject throwable,int dummy)50 Throwable_fillInStackTrace(JNIEnv *env, jobject throwable, int dummy)
51 {
52 JVM_FillInStackTrace(env, throwable);
53 return throwable;
54 }
55
56 JNIEXPORT jint JNICALL
Throwable_getStackTraceDepth(JNIEnv * env,jobject throwable)57 Throwable_getStackTraceDepth(JNIEnv *env, jobject throwable)
58 {
59 return JVM_GetStackTraceDepth(env, throwable);
60 }
61
62 JNIEXPORT jobject JNICALL
Throwable_getStackTraceElement(JNIEnv * env,jobject throwable,jint index)63 Throwable_getStackTraceElement(JNIEnv *env,
64 jobject throwable, jint index)
65 {
66 return JVM_GetStackTraceElement(env, throwable, index);
67 }
68 static 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
register_java_lang_Throwable(JNIEnv * env)74 void register_java_lang_Throwable(JNIEnv* env) {
75 jniRegisterNativeMethods(env, "java/lang/Throwable", gMethods, NELEM(gMethods));
76 }
77