Line data    Source code

       1             : /* src/native/vm/gnuclasspath/gnu_java_lang_management_VMClassLoadingMXBeanImpl.cpp
       2             : 
       3             :    Copyright (C) 1996-2013
       4             :    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
       5             : 
       6             :    This file is part of CACAO.
       7             : 
       8             :    This program is free software; you can redistribute it and/or
       9             :    modify it under the terms of the GNU General Public License as
      10             :    published by the Free Software Foundation; either version 2, or (at
      11             :    your option) any later version.
      12             : 
      13             :    This program is distributed in the hope that it will be useful, but
      14             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      15             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      16             :    General Public License for more details.
      17             : 
      18             :    You should have received a copy of the GNU General Public License
      19             :    along with this program; if not, write to the Free Software
      20             :    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
      21             :    02110-1301, USA.
      22             : 
      23             : */
      24             : 
      25             : 
      26             : #include "config.h"
      27             : 
      28             : #include <stdint.h>
      29             : 
      30             : #include "mm/gc.hpp"
      31             : 
      32             : #include "native/jni.hpp"
      33             : #include "native/native.hpp"
      34             : 
      35             : #if defined(ENABLE_JNI_HEADERS)
      36             : # include "native/vm/include/gnu_java_lang_management_VMClassLoadingMXBeanImpl.h"
      37             : #endif
      38             : 
      39             : #include "toolbox/logging.hpp"
      40             : 
      41             : #include "vm/classcache.hpp"
      42             : #include "vm/options.hpp"
      43             : #include "vm/utf8.hpp"
      44             : #include "vm/vm.hpp"
      45             : 
      46             : 
      47             : // Native functions are exported as C functions.
      48             : extern "C" {
      49             : 
      50             : /*
      51             :  * Class:     gnu/java/lang/management/VMClassLoadingMXBeanImpl
      52             :  * Method:    getLoadedClassCount
      53             :  * Signature: ()I
      54             :  */
      55           0 : JNIEXPORT jint JNICALL Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_getLoadedClassCount(JNIEnv *env, jclass clazz)
      56             : {
      57             :         int32_t count;
      58             : 
      59           0 :         count = classcache_get_loaded_class_count();
      60             : 
      61           0 :         return count;
      62             : }
      63             : 
      64             : 
      65             : /*
      66             :  * Class:     gnu/java/lang/management/VMClassLoadingMXBeanImpl
      67             :  * Method:    getUnloadedClassCount
      68             :  * Signature: ()J
      69             :  */
      70           0 : JNIEXPORT jlong JNICALL Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_getUnloadedClassCount(JNIEnv *env, jclass clazz)
      71             : {
      72             :         int32_t count;
      73             : 
      74             :         // XXX Fix this once we support class unloading!
      75           0 :         count = 0;
      76             : 
      77           0 :         return count;
      78             : }
      79             : 
      80             : 
      81             : /*
      82             :  * Class:     gnu/java/lang/management/VMClassLoadingMXBeanImpl
      83             :  * Method:    isVerbose
      84             :  * Signature: ()Z
      85             :  */
      86           0 : JNIEXPORT jboolean JNICALL Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_isVerbose(JNIEnv *env, jclass clazz)
      87             : {
      88           0 :         return opt_verboseclass;
      89             : }
      90             : 
      91             : 
      92             : /*
      93             :  * Class:     gnu/java/lang/management/VMClassLoadingMXBeanImpl
      94             :  * Method:    setVerbose
      95             :  * Signature: (Z)V
      96             :  */
      97           0 : JNIEXPORT void JNICALL Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_setVerbose(JNIEnv *env, jclass clazz, jboolean verbose)
      98             : {
      99           0 :         opt_verboseclass = verbose;
     100           0 : }
     101             : 
     102             : } // extern "C"
     103             : 
     104             : 
     105             : /* native methods implemented by this file ************************************/
     106             : 
     107             : static JNINativeMethod methods[] = {
     108             :         { (char*) "getLoadedClassCount",   (char*) "()I",  (void*) (uintptr_t) &Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_getLoadedClassCount   },
     109             :         { (char*) "getUnloadedClassCount", (char*) "()J",  (void*) (uintptr_t) &Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_getUnloadedClassCount },
     110             :         { (char*) "isVerbose",             (char*) "()Z",  (void*) (uintptr_t) &Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_isVerbose             },
     111             :         { (char*) "setVerbose",            (char*) "(Z)V", (void*) (uintptr_t) &Java_gnu_java_lang_management_VMClassLoadingMXBeanImpl_setVerbose            },
     112             : };
     113             : 
     114             : 
     115             : /* _Jv_gnu_java_lang_management_VMClassLoadingMXBeanImpl_init ******************
     116             : 
     117             :    Register native functions.
     118             : 
     119             : *******************************************************************************/
     120             : 
     121         163 : void _Jv_gnu_java_lang_management_VMClassLoadingMXBeanImpl_init(void)
     122             : {
     123         163 :         Utf8String u = Utf8String::from_utf8("gnu/java/lang/management/VMClassLoadingMXBeanImpl");
     124             : 
     125         163 :         NativeMethods& nm = VM::get_current()->get_nativemethods();
     126         163 :         nm.register_methods(u, methods, NATIVE_METHODS_COUNT);
     127         163 : }
     128             : 
     129             : 
     130             : /*
     131             :  * These are local overrides for various environment variables in Emacs.
     132             :  * Please do not remove this and leave it at the end of the file, where
     133             :  * Emacs will automagically detect them.
     134             :  * ---------------------------------------------------------------------
     135             :  * Local variables:
     136             :  * mode: c++
     137             :  * indent-tabs-mode: t
     138             :  * c-basic-offset: 4
     139             :  * tab-width: 4
     140             :  * End:
     141             :  * vim:noexpandtab:sw=4:ts=4:
     142             :  */