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      1 /*
      2  * Copyright (c) 1998, 2005, 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 #include "util.h"
     27 #include "ClassLoaderReferenceImpl.h"
     28 #include "inStream.h"
     29 #include "outStream.h"
     30 
     31 static jboolean
     32 visibleClasses(PacketInputStream *in, PacketOutputStream *out)
     33 {
     34     JNIEnv *env = getEnv();
     35     jobject loader;
     36 
     37     loader = inStream_readClassLoaderRef(env, in);
     38     if (inStream_error(in)) {
     39         return JNI_TRUE;
     40     }
     41 
     42     WITH_LOCAL_REFS(env, 1) {
     43 
     44         jvmtiError error;
     45         jint count;
     46         jclass *classes;
     47         int i;
     48 
     49         error = allClassLoaderClasses(loader, &classes, &count);
     50         if (error != JVMTI_ERROR_NONE) {
     51             outStream_setError(out, map2jdwpError(error));
     52         } else {
     53             (void)outStream_writeInt(out, count);
     54             for (i = 0; i < count; i++) {
     55                 jbyte tag;
     56                 jclass clazz;
     57 
     58                 clazz = classes[i];
     59                 tag = referenceTypeTag(clazz);
     60 
     61                 (void)outStream_writeByte(out, tag);
     62                 (void)outStream_writeObjectRef(env, out, clazz);
     63             }
     64         }
     65 
     66         if ( classes != NULL )
     67             jvmtiDeallocate(classes);
     68 
     69      } END_WITH_LOCAL_REFS(env);
     70 
     71     return JNI_TRUE;
     72 }
     73 
     74 void *ClassLoaderReference_Cmds[] = { (void *)0x1
     75     ,(void *)visibleClasses
     76 };
     77