1 /* src/native/vm/gnuclasspath/gnu_java_lang_management_VMMemoryMXBeanImpl.cpp
3 Copyright (C) 1996-2005, 2006, 2007, 2008
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
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.
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.
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
32 #include "native/jni.hpp"
33 #include "native/native.hpp"
35 #if defined(ENABLE_JNI_HEADERS)
36 # include "native/vm/include/gnu_java_lang_management_VMMemoryMXBeanImpl.h"
39 #include "vm/jit/builtin.hpp"
40 #include "vm/class.hpp"
41 #include "vm/global.h"
42 #include "vm/loader.hpp" /* XXX only for load_class_bootstrap */
43 #include "vm/options.h"
47 // Native functions are exported as C functions.
51 * Class: gnu/java/lang/management/VMMemoryMXBeanImpl
52 * Method: getHeapMemoryUsage
53 * Signature: ()Ljava/lang/management/MemoryUsage;
55 JNIEXPORT jobject JNICALL Java_gnu_java_lang_management_VMMemoryMXBeanImpl_getHeapMemoryUsage(JNIEnv *env, jclass clazz)
57 classinfo *class_java_lang_management_MemoryUsage;
66 /* XXX optimize me! sometime... */
68 if (!(class_java_lang_management_MemoryUsage = load_class_bootstrap(utf_new_char("java/lang/management/MemoryUsage"))))
71 /* create the object */
73 o = builtin_new(class_java_lang_management_MemoryUsage);
78 /* find initializer */
80 m = class_findmethod(class_java_lang_management_MemoryUsage,
81 utf_init, utf_new_char("(JJJJ)V"));
83 /* initializer not found */
88 /* get values from the VM */
89 /* XXX if we ever support more than one VM, change this */
91 init = opt_heapstartsize;
92 used = gc_get_total_bytes();
93 commited = gc_get_heap_size();
94 maximum = gc_get_max_heap_size();
96 /* call initializer */
98 (void) vm_call_method(m, o, init, used, commited, maximum);
105 * Class: gnu/java/lang/management/VMMemoryMXBeanImpl
106 * Method: getNonHeapMemoryUsage
107 * Signature: ()Ljava/lang/management/MemoryUsage;
109 JNIEXPORT jobject JNICALL Java_gnu_java_lang_management_VMMemoryMXBeanImpl_getNonHeapMemoryUsage(JNIEnv *env, jclass clazz)
111 log_println("Java_gnu_java_lang_management_VMMemoryMXBeanImpl_getNonHeapMemoryUsage: IMPLEMENT ME!");
118 * Class: gnu/java/lang/management/VMMemoryMXBeanImpl
119 * Method: getObjectPendingFinalizationCount
122 JNIEXPORT jint JNICALL Java_gnu_java_lang_management_VMMemoryMXBeanImpl_getObjectPendingFinalizationCount(JNIEnv *env, jclass clazz)
124 log_println("Java_gnu_java_lang_management_VMMemoryMXBeanImpl_getObjectPendingFinalizationCount: IMPLEMENT ME!");
131 * Class: gnu/java/lang/management/VMMemoryMXBeanImpl
135 JNIEXPORT jboolean JNICALL Java_gnu_java_lang_management_VMMemoryMXBeanImpl_isVerbose(JNIEnv *env, jclass clazz)
137 /* return _Jv_jvm->Java_gnu_java_lang_management_VMMemoryMXBeanImpl_verbose; */
139 log_println("Java_gnu_java_lang_management_VMMemoryMXBeanImpl_isVerbose: MOVE TO C++!");
145 * Class: gnu/java/lang/management/VMMemoryMXBeanImpl
149 JNIEXPORT void JNICALL Java_gnu_java_lang_management_VMMemoryMXBeanImpl_setVerbose(JNIEnv *env, jclass clazz, jboolean verbose)
151 /* _Jv_jvm->Java_gnu_java_lang_management_VMMemoryMXBeanImpl_verbose = verbose; */
153 log_println("Java_gnu_java_lang_management_VMMemoryMXBeanImpl_setVerbose: MOVE TO C++!");
159 /* native methods implemented by this file ************************************/
161 static JNINativeMethod methods[] = {
162 { (char*) "getHeapMemoryUsage", (char*) "()Ljava/lang/management/MemoryUsage;", (void*) (uintptr_t) &Java_gnu_java_lang_management_VMMemoryMXBeanImpl_getHeapMemoryUsage },
163 { (char*) "getNonHeapMemoryUsage", (char*) "()Ljava/lang/management/MemoryUsage;", (void*) (uintptr_t) &Java_gnu_java_lang_management_VMMemoryMXBeanImpl_getNonHeapMemoryUsage },
164 { (char*) "getObjectPendingFinalizationCount", (char*) "()I", (void*) (uintptr_t) &Java_gnu_java_lang_management_VMMemoryMXBeanImpl_getObjectPendingFinalizationCount },
165 { (char*) "isVerbose", (char*) "()Z", (void*) (uintptr_t) &Java_gnu_java_lang_management_VMMemoryMXBeanImpl_isVerbose },
166 { (char*) "setVerbose", (char*) "(Z)V", (void*) (uintptr_t) &Java_gnu_java_lang_management_VMMemoryMXBeanImpl_setVerbose },
170 /* _Jv_gnu_java_lang_management_VMMemoryMXBeanImpl_init ************************
172 Register native functions.
174 *******************************************************************************/
176 void _Jv_gnu_java_lang_management_VMMemoryMXBeanImpl_init(void)
178 utf* u = utf_new_char("gnu/java/lang/management/VMMemoryMXBeanImpl");
180 NativeMethods& nm = VM::get_current()->get_nativemethods();
181 nm.register_methods(u, methods, NATIVE_METHODS_COUNT);
186 * These are local overrides for various environment variables in Emacs.
187 * Please do not remove this and leave it at the end of the file, where
188 * Emacs will automagically detect them.
189 * ---------------------------------------------------------------------
192 * indent-tabs-mode: t
196 * vim:noexpandtab:sw=4:ts=4: