-/* class: java/lang/System */
+/* native/vm/VMSystem.c - java/lang/VMSystem
-#if 0
-/*
- * Class: java/lang/System
- * Method: currentTimeMillis
- * Signature: ()J
- */
-JNIEXPORT s8 JNICALL Java_java_lang_VMSystem_currentTimeMillis ( JNIEnv *env )
-{
- struct timeval tv;
+ Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
+ R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
+ C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
+ Institut f. Computersprachen - TU Wien
+
+ This file is part of CACAO.
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA.
+
+ Contact: cacao@complang.tuwien.ac.at
+
+ Authors: Roman Obermaiser
+
+ Changes: Joseph Wenninger
+
+ $Id: VMSystem.c 1735 2004-12-07 14:33:27Z twisti $
+
+*/
+
+
+#include <string.h>
+#include <time.h>
+
+#include "native/jni.h"
+#include "native/native.h"
+#include "native/include/java_lang_Object.h"
+#include "toolbox/logging.h"
+#include "vm/exceptions.h"
+#include "vm/builtin.h"
- (void) gettimeofday(&tv, NULL);
- return ((s8) tv.tv_sec) * 1000 + tv.tv_usec / 1000;
-}
-#endif
/*
* Class: java/lang/System
* Method: arraycopy
* Signature: (Ljava/lang/Object;ILjava/lang/Object;II)V
*/
-/* XXX delete */
-#if 0
-JNIEXPORT void JNICALL Java_java_lang_VMSystem_arraycopy (JNIEnv *env, jclass clazz,struct java_lang_Object* source, s4 sp, struct java_lang_Object* dest, s4 dp, s4 len)
+JNIEXPORT void JNICALL Java_java_lang_VMSystem_arraycopy(JNIEnv *env, jclass clazz, java_lang_Object *source, s4 sp, java_lang_Object *dest, s4 dp, s4 len)
{
s4 i;
- java_arrayheader *s = (java_arrayheader*) source;
- java_arrayheader *d = (java_arrayheader*) dest;
-
- printf("arraycopy: %p:%x->%p:%x||len=%d\n",source,sp,dest,dp,len);
- fflush(stdout);
+ java_arrayheader *s = (java_arrayheader *) source;
+ java_arrayheader *d = (java_arrayheader *) dest;
+ arraydescriptor *sdesc;
+ arraydescriptor *ddesc;
+ /* printf("arraycopy: %p:%x->%p:%x\n",source,sp,dest,dp);
+ fflush(stdout);*/
- if (((s == NULL) || (d == NULL)) != 0) {
- exceptionptr = proto_java_lang_NullPointerException;
- return;
- }
- log_text("Passed nullpointer check");
- if (s->objheader.vftbl->class != class_array) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
-
- log_text("Passed array storeexception");
- if (((sp<0) | (sp+len > s->size) | (dp<0) | (dp+len > d->size)) != 0) {
- exceptionptr = proto_java_lang_ArrayIndexOutOfBoundsException;
+ if (!s || !d) {
+ *exceptionptr = new_exception(string_java_lang_NullPointerException);
return;
- }
+ }
- log_text("Passed array out of bounds exception");
- printf("ARRAY TYPE: %d\n",s->arraytype);
+ sdesc = s->objheader.vftbl->arraydesc;
+ ddesc = d->objheader.vftbl->arraydesc;
- switch (s->arraytype) {
- case ARRAYTYPE_BYTE:
- if (s->objheader.vftbl != d->objheader.vftbl) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- memmove(((java_bytearray*) d)->data + dp,
- ((java_bytearray*) s)->data + sp,
- (size_t) len);
- return;
- case ARRAYTYPE_BOOLEAN:
- if (s->objheader.vftbl != d->objheader.vftbl) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- memmove(((java_booleanarray*) d)->data + dp,
- ((java_booleanarray*) s)->data + sp,
- (size_t) len);
- return;
- case ARRAYTYPE_CHAR:
- if (s->objheader.vftbl != d->objheader.vftbl) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- printf("CHARARRAY:");
- if (len>0) {
- utf_display(utf_new_u2(((java_chararray*)d)->data+sp,len*sizeof(u2), 0));
+ if (!sdesc || !ddesc || (sdesc->arraytype != ddesc->arraytype)) {
+ *exceptionptr = new_exception(string_java_lang_ArrayStoreException);
+ return;
}
- printf("\n");
-
- memmove(((java_chararray*) d)->data + dp,
- ((java_chararray*) s)->data + sp,
- (size_t) len * sizeof(u2));
- return;
- case ARRAYTYPE_SHORT:
- if (s->objheader.vftbl != d->objheader.vftbl) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- memmove(((java_shortarray*) d)->data + dp,
- ((java_shortarray*) s)->data + sp,
- (size_t) len * sizeof(s2));
- return;
- case ARRAYTYPE_INT:
- if (s->objheader.vftbl != d->objheader.vftbl) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- memmove(((java_intarray*) d)->data + dp,
- ((java_intarray*) s)->data + sp,
- (size_t) len * sizeof(s4));
- return;
- case ARRAYTYPE_LONG:
- if (s->objheader.vftbl != d->objheader.vftbl) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- memmove(((java_longarray*) d)->data + dp,
- ((java_longarray*) s)->data + sp,
- (size_t) len * sizeof(s8));
- return;
- case ARRAYTYPE_FLOAT:
- if (s->objheader.vftbl != d->objheader.vftbl) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- memmove(((java_floatarray*) d)->data + dp,
- ((java_floatarray*) s)->data + sp,
- (size_t) len * sizeof(float));
- return;
- case ARRAYTYPE_DOUBLE:
- if (s->objheader.vftbl != d->objheader.vftbl) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- memmove(((java_doublearray*) d)->data + dp,
- ((java_doublearray*) s)->data + sp,
- (size_t) len * sizeof(double));
- return;
- case ARRAYTYPE_OBJECT:
- {
- java_objectarray *oas = (java_objectarray*) s;
- java_objectarray *oad = (java_objectarray*) d;
- if (d->objheader.vftbl->class != class_array) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- if (s->arraytype != d->arraytype) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
+ if ((len < 0) || (sp < 0) || (sp + len > s->size) || (dp < 0) || (dp + len > d->size)) {
+ *exceptionptr = new_exception(string_java_lang_ArrayIndexOutOfBoundsException);
+ return;
+ }
- if (dp<=sp)
- for (i=0; i<len; i++) {
- java_objectheader *o = oas->data[sp+i];
- if (!builtin_canstore(oad, o)) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- oad->data[dp+i] = o;
- }
- else
- for (i=len-1; i>=0; i--) {
- java_objectheader *o = oas->data[sp+i];
+ if (sdesc->componentvftbl == ddesc->componentvftbl) {
+ /* We copy primitive values or references of exactly the same type */
+ s4 dataoffset = sdesc->dataoffset;
+ s4 componentsize = sdesc->componentsize;
+ memmove(((u1 *) d) + dataoffset + componentsize * dp,
+ ((u1 *) s) + dataoffset + componentsize * sp,
+ (size_t) len * componentsize);
+
+ } else {
+ /* We copy references of different type */
+ java_objectarray *oas = (java_objectarray *) s;
+ java_objectarray *oad = (java_objectarray *) d;
+
+ if (dp <= sp) {
+ for (i = 0; i < len; i++) {
+ java_objectheader *o = oas->data[sp + i];
if (!builtin_canstore(oad, o)) {
- exceptionptr = proto_java_lang_ArrayStoreException;
+ *exceptionptr = new_exception(string_java_lang_ArrayStoreException);
return;
- }
- oad->data[dp+i] = o;
}
-
- }
- break;
- case ARRAYTYPE_ARRAY:
- {
- java_arrayarray *aas = (java_arrayarray*) s;
- java_arrayarray *aad = (java_arrayarray*) d;
-
- if (d->objheader.vftbl->class != class_array) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- if (s->arraytype != d->arraytype) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
+ oad->data[dp + i] = o;
}
- if (dp<=sp)
- for (i=0; i<len; i++) {
- java_arrayheader *o = aas->data[sp+i];
- if (!builtin_canstore( (java_objectarray*)aad,
- (java_objectheader*)o )) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- aad->data[dp+i] = o;
- }
- else
- for (i=len-1; i>=0; i--) {
- java_arrayheader *o = aas->data[sp+i];
- if (!builtin_canstore( (java_objectarray*)aad,
- (java_objectheader*)o )) {
- exceptionptr = proto_java_lang_ArrayStoreException;
+ } else {
+ /* XXX this does not completely obey the specification!
+ * If an exception is thrown only the elements above
+ * the current index have been copied. The
+ * specification requires that only the elements
+ * *below* the current index have been copied before
+ * the throw.
+ */
+ for (i = len - 1; i >= 0; i--) {
+ java_objectheader *o = oas->data[sp + i];
+ if (!builtin_canstore(oad, o)) {
+ *exceptionptr = new_exception(string_java_lang_ArrayStoreException);
return;
- }
- aad->data[dp+i] = o;
}
-
+ oad->data[dp + i] = o;
+ }
}
- break;
-
- default:
- panic ("Unknown data type for arraycopy");
}
}
-#endif
-JNIEXPORT void JNICALL Java_java_lang_VMSystem_arraycopy (JNIEnv *env, jclass clazz,struct java_lang_Object* source, s4 sp, struct java_lang_Object* dest, s4 dp, s4 len)
-{
- s4 i;
- java_arrayheader *s = (java_arrayheader*) source;
- java_arrayheader *d = (java_arrayheader*) dest;
- arraydescriptor *sdesc;
- arraydescriptor *ddesc;
-
-/* printf("arraycopy: %p:%x->%p:%x\n",source,sp,dest,dp);
- fflush(stdout);*/
-
- if (!s || !d) {
- exceptionptr = proto_java_lang_NullPointerException;
- return;
- }
- sdesc = s->objheader.vftbl->arraydesc;
- ddesc = d->objheader.vftbl->arraydesc;
-
- if (!sdesc || !ddesc || (sdesc->arraytype != ddesc->arraytype)) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
-
- if ((len<0) || (sp<0) || (sp+len > s->size) || (dp<0) || (dp+len > d->size)) {
- exceptionptr = proto_java_lang_ArrayIndexOutOfBoundsException;
- return;
- }
-
- if (sdesc->componentvftbl == ddesc->componentvftbl) {
- /* We copy primitive values or references of exactly the same type */
- s4 dataoffset = sdesc->dataoffset;
- s4 componentsize = sdesc->componentsize;
- memmove(((u1*)d) + dataoffset + componentsize * dp,
- ((u1*)s) + dataoffset + componentsize * sp,
- (size_t) len * componentsize);
- }
- else {
- /* We copy references of different type */
- java_objectarray *oas = (java_objectarray*) s;
- java_objectarray *oad = (java_objectarray*) d;
-
- if (dp<=sp)
- for (i=0; i<len; i++) {
- java_objectheader *o = oas->data[sp+i];
- if (!builtin_canstore(oad, o)) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- oad->data[dp+i] = o;
- }
- else
- /* XXX this does not completely obey the specification!
- * If an exception is thrown only the elements above
- * the current index have been copied. The
- * specification requires that only the elements
- * *below* the current index have been copied before
- * the throw.
- */
- for (i=len-1; i>=0; i--) {
- java_objectheader *o = oas->data[sp+i];
- if (!builtin_canstore(oad, o)) {
- exceptionptr = proto_java_lang_ArrayStoreException;
- return;
- }
- oad->data[dp+i] = o;
- }
- }
-}
-
-void attach_property (char *name, char *value)
-{
- log_text("attach_property not supported");
-#if 0
- if (activeprops >= MAXPROPS) panic ("Too many properties defined");
- proplist[activeprops][0] = name;
- proplist[activeprops][1] = value;
- activeprops++;
-#endif
-}
/*
* Class: java/lang/System
* Method: identityHashCode
* Signature: (Ljava/lang/Object;)I
*/
-JNIEXPORT s4 JNICALL Java_java_lang_VMSystem_identityHashCode (JNIEnv *env , jclass clazz, struct java_lang_Object* par1)
+JNIEXPORT s4 JNICALL Java_java_lang_VMSystem_identityHashCode(JNIEnv *env, jclass clazz, java_lang_Object *par1)
{
- return ((char*) par1) - ((char*) 0);
+ return ((char *) par1) - ((char *) 0);
}
-
-
+/*
+ * These are local overrides for various environment variables in Emacs.
+ * Please do not remove this and leave it at the end of the file, where
+ * Emacs will automagically detect them.
+ * ---------------------------------------------------------------------
+ * Local variables:
+ * mode: c
+ * indent-tabs-mode: t
+ * c-basic-offset: 4
+ * tab-width: 4
+ * End:
+ */
projects / cacao.git / blobdiff