2 Copyright (C) 1998, 2004 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
43 #define __attribute__(x) /* nothing */
47 * This way the memory is pre-allocated, so that we do not have to worry
48 * if we are out of memory.
50 static char errstr[4098];
52 JNIEXPORT void JNICALL JCL_ThrowException(JNIEnv * env, char * className, char * errMsg) {
54 if((*env)->ExceptionOccurred(env)) {
55 (*env)->ExceptionClear(env);
57 excClass = (*env)->FindClass(env, className);
58 if(excClass == NULL) {
60 errExcClass = (*env)->FindClass(env, "java/lang/ClassNotFoundException");
61 if(errExcClass == NULL) {
62 errExcClass = (*env)->FindClass(env, "java/lang/InternalError");
63 if(errExcClass == NULL) {
64 sprintf(errstr,"JCL: Utterly failed to throw exeption %s with message %s.",className,errMsg);
65 fprintf(stderr, errstr);
69 sprintf(errstr,"JCL: Failed to throw exception %s with message %s: could not find exception class.", className, errMsg);
70 (*env)->ThrowNew(env, errExcClass, errstr);
72 (*env)->ThrowNew(env, excClass, errMsg);
75 JNIEXPORT void * JNICALL JCL_malloc(JNIEnv * env, size_t size) {
76 void * mem = malloc(size);
78 JCL_ThrowException(env, "java/lang/OutOfMemoryError", "malloc() failed.");
84 JNIEXPORT void * JNICALL JCL_realloc(JNIEnv *env, void *ptr, size_t size)
86 ptr = realloc(ptr, size);
89 JCL_ThrowException(env, "java/lang/OutOfMemoryError",
96 JNIEXPORT void JNICALL JCL_free(JNIEnv * env __attribute__((unused)),
104 JNIEXPORT char * JNICALL JCL_jstring_to_cstring(JNIEnv * env, jstring s) {
107 JCL_ThrowException(env, "java/lang/NullPointerException","Null string");
110 cstr = (char*)(*env)->GetStringUTFChars(env, s, NULL);
112 JCL_ThrowException(env, "java/lang/InternalError", "GetStringUTFChars() failed.");
118 JNIEXPORT void JNICALL JCL_free_cstring(JNIEnv * env, jstring s, char * cstr) {
119 (*env)->ReleaseStringUTFChars(env, s, cstr);
122 JNIEXPORT jint JNICALL JCL_MonitorEnter(JNIEnv * env, jobject o) {
123 jint retval = (*env)->MonitorEnter(env,o);
125 JCL_ThrowException(env, "java/lang/InternalError", "MonitorEnter() failed.");
130 JNIEXPORT jint JNICALL JCL_MonitorExit(JNIEnv * env, jobject o) {
131 jint retval = (*env)->MonitorExit(env,o);
133 JCL_ThrowException(env, "java/lang/InternalError", "MonitorExit() failed.");
138 JNIEXPORT jclass JNICALL JCL_FindClass(JNIEnv * env, char * className) {
139 jclass retval = (*env)->FindClass(env,className);
141 JCL_ThrowException(env, "java/lang/ClassNotFoundException", className);