Line data    Source code

       1             : /* src/native/vm/gnuclasspath/java_lang_VMSystem.cpp - java/lang/VMSystem
       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             : #include <string.h>
      30             : 
      31             : #include "mm/gc.hpp"
      32             : 
      33             : #include "native/jni.hpp"
      34             : #include "native/llni.hpp"
      35             : #include "native/native.hpp"
      36             : 
      37             : #if defined(ENABLE_JNI_HEADERS)
      38             : # include "native/vminclude/java_lang_VMSystem.h"
      39             : #endif
      40             : 
      41             : #include "vm/jit/builtin.hpp"
      42             : #include "vm/javaobjects.hpp"
      43             : #include "vm/vm.hpp"
      44             : 
      45             : 
      46             : // Native functions are exported as C functions.
      47             : extern "C" {
      48             : 
      49             : /*
      50             :  * Class:     java/lang/VMSystem
      51             :  * Method:    arraycopy
      52             :  * Signature: (Ljava/lang/Object;ILjava/lang/Object;II)V
      53             :  */
      54           0 : JNIEXPORT void JNICALL Java_java_lang_VMSystem_arraycopy(JNIEnv *env, jclass clazz, jobject src, jint srcStart, jobject dest, jint destStart, jint len)
      55             : {
      56             :         builtin_arraycopy((java_handle_t *) src, srcStart,
      57           0 :                                           (java_handle_t *) dest, destStart, len);
      58           0 : }
      59             : 
      60             : 
      61             : /*
      62             :  * Class:     java/lang/VMSystem
      63             :  * Method:    identityHashCode
      64             :  * Signature: (Ljava/lang/Object;)I
      65             :  */
      66       11224 : JNIEXPORT jint JNICALL Java_java_lang_VMSystem_identityHashCode(JNIEnv *env, jclass clazz, jobject obj)
      67             : {
      68       11224 :         java_lang_Object o(obj);
      69             : 
      70       11224 :         return o.get_hashcode();
      71             : }
      72             : 
      73             : } // extern "C"
      74             : 
      75             : 
      76             : /* native methods implemented by this file ************************************/
      77             : 
      78             : static JNINativeMethod methods[] = {
      79             :         { (char*) "arraycopy",        (char*) "(Ljava/lang/Object;ILjava/lang/Object;II)V", (void*) (uintptr_t) &Java_java_lang_VMSystem_arraycopy },
      80             :         { (char*) "identityHashCode", (char*) "(Ljava/lang/Object;)I",                      (void*) (uintptr_t) &Java_java_lang_VMSystem_identityHashCode },
      81             : };
      82             : 
      83             : 
      84             : /* _Jv_java_lang_VMSystem_init *************************************************
      85             : 
      86             :    Register native functions.
      87             : 
      88             : *******************************************************************************/
      89             : 
      90         163 : void _Jv_java_lang_VMSystem_init(void)
      91             : {
      92         163 :         Utf8String u = Utf8String::from_utf8("java/lang/VMSystem");
      93             : 
      94         163 :         NativeMethods& nm = VM::get_current()->get_nativemethods();
      95         163 :         nm.register_methods(u, methods, NATIVE_METHODS_COUNT);
      96         163 : }
      97             : 
      98             : 
      99             : /*
     100             :  * These are local overrides for various environment variables in Emacs.
     101             :  * Please do not remove this and leave it at the end of the file, where
     102             :  * Emacs will automagically detect them.
     103             :  * ---------------------------------------------------------------------
     104             :  * Local variables:
     105             :  * mode: c++
     106             :  * indent-tabs-mode: t
     107             :  * c-basic-offset: 4
     108             :  * tab-width: 4
     109             :  * End:
     110             :  */