1 /* src/native/vm/cldc1.1/java_lang_System.cpp
3 Copyright (C) 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
31 #include "mm/memory.hpp"
33 #include "native/jni.hpp"
34 #include "native/native.hpp"
36 #if defined(ENABLE_JNI_HEADERS)
37 # include "native/include/java_lang_System.h"
40 #include "vm/jit/builtin.hpp"
41 #include "vm/javaobjects.hpp"
42 #include "vm/properties.hpp"
43 #include "vm/string.hpp"
47 // Native functions are exported as C functions.
51 * Class: java/lang/System
53 * Signature: (Ljava/lang/Object;ILjava/lang/Object;II)V
55 JNIEXPORT void JNICALL Java_java_lang_System_arraycopy(JNIEnv *env, jclass clazz, jobject src, jint srcStart, jobject dest, jint destStart, jint len)
57 builtin_arraycopy((java_handle_t *) src, srcStart,
58 (java_handle_t *) dest, destStart, len);
63 * Class: java/lang/System
64 * Method: getProperty0
65 * Signature: (Ljava/lang/String;)Ljava/lang/String;
68 JNIEXPORT jstring JNICALL Java_java_lang_System_getProperty0(JNIEnv *env, jclass clazz, jstring s)
73 java_handle_t *result;
75 so = (java_handle_t *) s;
77 /* build an ASCII string out of the java/lang/String passed */
79 key = javastring_tochar(so);
81 /* get the property from the internal table */
83 value = VM::get_current()->get_properties().get(key);
85 /* release the memory allocated in javastring_tochar */
92 result = javastring_new_from_ascii(value);
94 return (jstring) result;
98 * Class: java/lang/System
99 * Method: identityHashCode
100 * Signature: (Ljava/lang/Object;)I
102 JNIEXPORT jint JNICALL Java_java_lang_System_identityHashCode(JNIEnv *env, jclass clazz, jobject obj)
104 java_lang_Object o(obj);
106 return o.get_hashcode();
112 /* native methods implemented by this file ************************************/
114 static JNINativeMethod methods[] = {
115 { (char*) "arraycopy", (char*) "(Ljava/lang/Object;ILjava/lang/Object;II)V", (void*) (uintptr_t) &Java_java_lang_System_arraycopy },
116 { (char*) "getProperty0", (char*) "(Ljava/lang/String;)Ljava/lang/String;", (void*) (uintptr_t) &Java_java_lang_System_getProperty0 },
117 { (char*) "identityHashCode", (char*) "(Ljava/lang/Object;)I", (void*) (uintptr_t) &Java_java_lang_System_identityHashCode }
121 /* _Jv_java_lang_System_init ***************************************************
123 Register native functions.
125 *******************************************************************************/
127 void _Jv_java_lang_System_init(void)
129 utf* u = utf_new_char("java/lang/System");
131 NativeMethods& nm = VM::get_current()->get_nativemethods();
132 nm.register_methods(u, methods, NATIVE_METHODS_COUNT);
137 * These are local overrides for various environment variables in Emacs.
138 * Please do not remove this and leave it at the end of the file, where
139 * Emacs will automagically detect them.
140 * ---------------------------------------------------------------------
143 * indent-tabs-mode: t