-/* jni.c - implementation of the Java Native Interface functions
+/* native/jni.c - implementation of the Java Native Interface functions
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
- M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
- P. Tomsich, J. Wenninger, M. Platter
+ 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.
Contact: cacao@complang.tuwien.ac.at
- Authors: ?
+ Authors: Rainhard Grafl
+ Roman Obermaisser
- Changes: Joseph Wenninger, Martin Platter
+ Changes: Joseph Wenninger
+ Martin Platter
+ Christian Thalinger
- $Id: jni.c 1424 2004-10-30 11:15:23Z motse $
+ $Id: jni.c 1969 2005-03-01 14:09:25Z motse $
*/
#include <string.h>
-#include "exceptions.h"
-#include "main.h"
-#include "jni.h"
-#include "global.h"
-#include "loader.h"
-#include "tables.h"
-#include "native.h"
-#include "builtin.h"
-#include "options.h"
-#include "statistics.h"
-#include "threads/thread.h"
-#include "toolbox/logging.h"
-#include "toolbox/memory.h"
-#include "nat/java_lang_Byte.h"
-#include "nat/java_lang_Character.h"
-#include "nat/java_lang_Short.h"
-#include "nat/java_lang_Integer.h"
-#include "nat/java_lang_Boolean.h"
-#include "nat/java_lang_Long.h"
-#include "nat/java_lang_Float.h"
-#include "nat/java_lang_Double.h"
-#include "nat/java_lang_Throwable.h"
-#include "jit/jit.h"
-#include "asmpart.h"
+
#include "mm/boehm.h"
-#define JNI_VERSION 0x00010002
+#include "mm/memory.h"
+#include "native/jni.h"
+#include "native/native.h"
+#include "native/include/java_lang_Byte.h"
+#include "native/include/java_lang_Character.h"
+#include "native/include/java_lang_Short.h"
+#include "native/include/java_lang_Integer.h"
+#include "native/include/java_lang_Boolean.h"
+#include "native/include/java_lang_Long.h"
+#include "native/include/java_lang_Float.h"
+#include "native/include/java_lang_Double.h"
+#include "native/include/java_lang_Throwable.h"
+
+#if defined(USE_THREADS)
+# if defined(NATIVE_THREADS)
+# include "threads/native/threads.h"
+# else
+# include "threads/green/threads.h"
+# endif
+#endif
+#include "toolbox/logging.h"
+#include "vm/builtin.h"
+#include "vm/exceptions.h"
+#include "vm/global.h"
+#include "vm/loader.h"
+#include "vm/options.h"
+#include "vm/statistics.h"
+#include "vm/stringlocal.h"
+#include "vm/tables.h"
+#include "vm/jit/asmpart.h"
+#include "vm/jit/jit.h"
-#define PTR_TO_ITEM(ptr) ((u8)(size_t)(ptr))
-static utf* utf_char = 0;
-static utf* utf_bool = 0;
-static utf* utf_byte =0;
-static utf* utf_short = 0;
-static utf* utf_int = 0;
-static utf* utf_long = 0;
-static utf* utf_float = 0;
-static utf* utf_double = 0;
+/* XXX TWISTI hack: define it extern so they can be found in this file */
+extern const struct JNIInvokeInterface JNI_JavaVMTable;
+extern struct JNINativeInterface JNI_JNIEnvTable;
+
+/* pointers to VM and the environment needed by GetJavaVM and GetEnv */
+static JavaVM ptr_jvm = (JavaVM) &JNI_JavaVMTable;
+static void* ptr_env = (void*) &JNI_JNIEnvTable;
+
+
+#define PTR_TO_ITEM(ptr) ((u8)(size_t)(ptr))
/* global reference table */
static jobject *global_ref_table;
+static bool initrunning=false;
/* jmethodID and jclass caching variables for NewGlobalRef and DeleteGlobalRef*/
static jmethodID getmid = NULL;
int cnts;
char c;
-#if defined(USE_THREADS) && !defined(NATIVE_THREADS)
- intsDisable();
-#endif
- if (utf_char==0) {
- utf_char=utf_new_char("java/lang/Character");
- utf_bool=utf_new_char("java/lang/Boolean");
- utf_byte=utf_new_char("java/lang/Byte");
- utf_short=utf_new_char("java/lang/Short");
- utf_int=utf_new_char("java/lang/Integer");
- utf_long=utf_new_char("java/lang/Long");
- utf_float=utf_new_char("java/lang/Float");
- utf_double=utf_new_char("java/lang/Double");
- }
-#if defined(USE_THREADS) && !defined(NATIVE_THREADS)
- intsRestore();
-#endif
-
/*
log_text("fill_callblock");
utf_display(descr);
case 'B':
param = params->data[cnts];
if (param == 0) {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
- if (param->vftbl->class->name == utf_byte) {
+ if (param->vftbl->class->name == utf_java_lang_Byte) {
blk[cnt].itemtype = TYPE_INT;
blk[cnt].item = (u8) ((java_lang_Byte *) param)->value;
} else {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
break;
case 'C':
param = params->data[cnts];
if (param == 0) {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
- if (param->vftbl->class->name == utf_char) {
+ if (param->vftbl->class->name == utf_java_lang_Character) {
blk[cnt].itemtype = TYPE_INT;
blk[cnt].item = (u8) ((java_lang_Character *) param)->value;
} else {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
break;
case 'S':
param = params->data[cnts];
if (param == 0) {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
- if (param->vftbl->class->name == utf_short) {
+ if (param->vftbl->class->name == utf_java_lang_Short) {
blk[cnt].itemtype = TYPE_INT;
blk[cnt].item = (u8) ((java_lang_Short *) param)->value;
} else {
- if (param->vftbl->class->name == utf_byte) {
+ if (param->vftbl->class->name == utf_java_lang_Byte) {
blk[cnt].itemtype = TYPE_INT;
blk[cnt].item = (u8) ((java_lang_Byte *) param)->value;
} else {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
}
case 'Z':
param = params->data[cnts];
if (param == 0) {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
- if (param->vftbl->class->name == utf_bool) {
+ if (param->vftbl->class->name == utf_java_lang_Boolean) {
blk[cnt].itemtype = TYPE_INT;
blk[cnt].item = (u8) ((java_lang_Boolean *) param)->value;
} else {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
break;
/*log_text("fill_callblock_objA: param 'I'");*/
param = params->data[cnts];
if (param == 0) {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
- if (param->vftbl->class->name == utf_int) {
+ if (param->vftbl->class->name == utf_java_lang_Integer) {
blk[cnt].itemtype = TYPE_INT;
blk[cnt].item = (u8) ((java_lang_Integer *) param)->value;
/*printf("INT VALUE :%d\n",((struct java_lang_Integer * )param)->value);*/
} else {
- if (param->vftbl->class->name == utf_short) {
+ if (param->vftbl->class->name == utf_java_lang_Short) {
blk[cnt].itemtype = TYPE_INT;
blk[cnt].item = (u8) ((java_lang_Short *) param)->value;
} else {
- if (param->vftbl->class->name == utf_byte) {
+ if (param->vftbl->class->name == utf_java_lang_Byte) {
blk[cnt].itemtype = TYPE_INT;
blk[cnt].item = (u8) ((java_lang_Byte *) param)->value;
} else {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
}
case 'J':
param = params->data[cnts];
if (param == 0) {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
- if (param->vftbl->class->name == utf_long) {
+ if (param->vftbl->class->name == utf_java_lang_Long) {
blk[cnt].itemtype = TYPE_LNG;
blk[cnt].item = (u8) ((java_lang_Long *) param)->value;
} else {
- if (param->vftbl->class->name == utf_int) {
+ if (param->vftbl->class->name == utf_java_lang_Integer) {
blk[cnt].itemtype = TYPE_LNG;
blk[cnt].item = (u8) ((java_lang_Integer *) param)->value;
} else {
- if (param->vftbl->class->name == utf_short) {
+ if (param->vftbl->class->name == utf_java_lang_Short) {
blk[cnt].itemtype = TYPE_LNG;
blk[cnt].item = (u8) ((java_lang_Short *) param)->value;
} else {
- if (param->vftbl->class->name == utf_byte) {
+ if (param->vftbl->class->name == utf_java_lang_Byte) {
blk[cnt].itemtype = TYPE_LNG;
blk[cnt].item = (u8) ((java_lang_Byte *) param)->value;
} else {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
}
case 'F':
param = params->data[cnts];
if (param == 0) {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
- if (param->vftbl->class->name == utf_float) {
+ if (param->vftbl->class->name == utf_java_lang_Float) {
blk[cnt].itemtype = TYPE_FLT;
*((jfloat *) (&blk[cnt].item)) = (jfloat) ((java_lang_Float *) param)->value;
} else {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
break;
case 'D':
param = params->data[cnts];
if (param == 0) {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
- if (param->vftbl->class->name == utf_double) {
+ if (param->vftbl->class->name == utf_java_lang_Double) {
blk[cnt].itemtype = TYPE_DBL;
*((jdouble *) (&blk[cnt].item)) = (jdouble) ((java_lang_Float *) param)->value;
} else {
- if (param->vftbl->class->name == utf_float) {
+ if (param->vftbl->class->name == utf_java_lang_Float) {
blk[cnt].itemtype = TYPE_DBL;
*((jdouble *) (&blk[cnt].item)) = (jdouble) ((java_lang_Float *) param)->value;
} else {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
}
case 'L':
{
char *start = (*utf_ptr) - 1;
- char *end = NULL;
+ /*char *end = NULL;
while (utf_nextu2(utf_ptr) != ';')
- end = (*utf_ptr) + 1;
+ end = (*utf_ptr) + 1;*/
- if (!builtin_instanceof(params->data[cnts], class_from_descriptor(start, end, 0, CLASSLOAD_LOAD))) {
+ if (!builtin_instanceof(params->data[cnts], class_from_descriptor(start, desc_end, utf_ptr, CLASSLOAD_LOAD))) {
if (params->data[cnts] != 0) {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
}
-
blk[cnt].itemtype = TYPE_ADR;
blk[cnt].item = PTR_TO_ITEM(params->data[cnts]);
break;
case '[':
{
char *start = (*utf_ptr) - 1;
- char *end;
-
+ /*char *end;
+
char ch;
while ((ch = utf_nextu2(utf_ptr)) == '[')
if (ch == 'L') {
}
end = (*utf_ptr) - 1;
- ch = utf_nextu2(utf_ptr);
+ ch = utf_nextu2(utf_ptr); */
- if (!builtin_arrayinstanceof(params->data[cnts], class_from_descriptor(start, end, 0, CLASSLOAD_LOAD)->vftbl)) {
- *exceptionptr = new_exception("java/lang/IllegalArgumentException");
+ if (!builtin_arrayinstanceof(params->data[cnts], class_from_descriptor(start, desc_end, utf_ptr, CLASSLOAD_LOAD)->vftbl)) {
+ *exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
-
+
blk[cnt].itemtype = TYPE_ADR;
blk[cnt].item = PTR_TO_ITEM(params->data[cnts]);
break;
}
-
-
-
-
-
-
-
-
-
-
-
-
-
jmethodID get_virtual(jobject obj,jmethodID methodID) {
if (obj->vftbl->class==methodID->class) return methodID;
return class_resolvemethod (obj->vftbl->class, methodID->name, methodID->descriptor);
}
+
jmethodID get_nonvirtual(jclass clazz,jmethodID methodID) {
if (clazz==methodID->class) return methodID;
/*class_resolvemethod -> classfindmethod? (JOWENN)*/
}
-
jobject callObjectMethod (jobject obj, jmethodID methodID, va_list args)
{
int argcount;
}
#endif
- blk = MNEW(jni_callblock, 4 /*argcount+2*/);
+ blk = MNEW(jni_callblock, /*4 */argcount+2);
fill_callblock(obj, methodID->descriptor, blk, args, 'O');
/* printf("parameter: obj: %p",blk[0].item); */
}
#endif
- blk = MNEW(jni_callblock, 4 /*argcount+2*/);
+ blk = MNEW(jni_callblock, /*4 */ argcount+2);
fill_callblock(obj, methodID->descriptor, blk, args, retType);
/* printf("parameter: obj: %p",blk[0].item); */
- ret = (jint) asm_calljavafunction2(methodID,
- argcount + 1,
- (argcount + 1) * sizeof(jni_callblock),
- blk);
+ ret = asm_calljavafunction2int(methodID,
+ argcount + 1,
+ (argcount + 1) * sizeof(jni_callblock),
+ blk);
MFREE(blk, jni_callblock, argcount + 1);
/* printf("(CallObjectMethodV)-->%p\n",ret); */
}
#endif
- blk = MNEW(jni_callblock, 4 /*argcount+2*/);
+ blk = MNEW(jni_callblock,/* 4 */argcount+2);
fill_callblock(obj, methodID->descriptor, blk, args, 'J');
}
#endif
- blk = MNEW(jni_callblock, 4 /*argcount+2*/);
+ blk = MNEW(jni_callblock, /*4 */ argcount+2);
fill_callblock(obj, methodID->descriptor, blk, args, retType);
return NULL;
}
-/********************* returns version of native method interface *****************/
-jint GetVersion (JNIEnv* env)
+/* GetVersion ******************************************************************
+
+ Returns the major version number in the higher 16 bits and the
+ minor version number in the lower 16 bits.
+
+*******************************************************************************/
+
+jint GetVersion(JNIEnv *env)
{
- return JNI_VERSION;
+ /* GNU classpath currently supports JNI 1.2 */
+
+ return JNI_VERSION_1_2;
}
-/************** loads a class from a buffer of raw class data *****************/
+/* Class Operations ***********************************************************/
+
+/* DefineClass *****************************************************************
+
+ Loads a class from a buffer of raw class data. The buffer
+ containing the raw class data is not referenced by the VM after the
+ DefineClass call returns, and it may be discarded if desired.
-jclass DefineClass(JNIEnv* env, const char *name, jobject loader, const jbyte *buf, jsize len)
+*******************************************************************************/
+
+jclass DefineClass(JNIEnv *env, const char *name, jobject loader, const jbyte *buf, jsize bufLen)
{
- jclass c;
+ jclass c;
jclass r;
classbuffer *cb;
c = class_new(utf_new_char_classname((char *) name));
+#if defined(USE_THREADS)
/* enter a monitor on the class */
builtin_monitorenter((java_objectheader *) c);
+#endif
/* measure time */
if (getloadingtime)
/* build a classbuffer with the given data */
cb = NEW(classbuffer);
cb->class = c;
- cb->size = len;
+ cb->size = bufLen;
cb->data = (u1 *) buf;
cb->pos = cb->data - 1;
if (getloadingtime)
loadingtime_stop();
+#if defined(USE_THREADS)
/* leave the monitor */
builtin_monitorexit((java_objectheader *) c);
+#endif
/* XXX link the class here? */
/* if (class_link(c)) */
/* return NULL; */
- if (r)
+ if (r) {
c->classloader = loader;
+ use_class_as_object(r);
+ }
return r;
}
-/*********** loads locally defined class with the specified name **************/
+/* FindClass *******************************************************************
+
+ This function loads a locally-defined class. It searches the
+ directories and zip files specified by the CLASSPATH environment
+ variable for the class with the specified name.
-jclass FindClass(JNIEnv* env, const char *name)
+*******************************************************************************/
+
+jclass FindClass(JNIEnv *env, const char *name)
{
classinfo *c;
c = class_new(utf_new_char_classname((char *) name));
- if (!class_load(c))
+ if (!class_load(c) || !class_link(c))
return NULL;
- if (!class_link(c))
- return NULL;
+ use_class_as_object(c);
return c;
}
jmethodID FromReflectedMethod(JNIEnv* env, jobject method)
{
- /* log_text("JNI-Call: FromReflectedMethod"); */
+ log_text("JNI-Call: FromReflectedMethod: IMPLEMENT ME!!!");
return 0;
}
-/*************** return superclass of the class represented by sub ****************/
+/* GetSuperclass ***************************************************************
+
+ If clazz represents any class other than the class Object, then
+ this function returns the object that represents the superclass of
+ the class specified by clazz.
+
+*******************************************************************************/
jclass GetSuperclass(JNIEnv* env, jclass sub)
{
classinfo *c;
- c = ((classinfo*) sub)->super;
+ c = ((classinfo *) sub)->super;
- if (!c) return NULL;
+ if (!c)
+ return NULL;
use_class_as_object(c);
- return c;
+ return c;
}
-/*********************** check whether sub can be cast to sup ********************/
-
-jboolean IsAssignableForm(JNIEnv* env, jclass sub, jclass sup)
+/* IsAssignableFrom ************************************************************
+
+ Determines whether an object of sub can be safely cast to sup.
+
+*******************************************************************************/
+
+jboolean IsAssignableFrom(JNIEnv *env, jclass sub, jclass sup)
{
return builtin_isanysubclass(sub, sup);
}
jobject ToReflectedField(JNIEnv* env, jclass cls, jfieldID fieldID, jboolean isStatic)
{
- /* log_text("JNI-Call: ToReflectedField"); */
+ log_text("JNI-Call: ToReflectedField: IMPLEMENT ME!!!");
return NULL;
}
-/***************** throw java.lang.Throwable object ******************************/
+/* Throw ***********************************************************************
+
+ Causes a java.lang.Throwable object to be thrown.
+
+*******************************************************************************/
-jint Throw(JNIEnv* env, jthrowable obj)
+jint Throw(JNIEnv *env, jthrowable obj)
{
- *exceptionptr = (java_objectheader*) obj;
+ *exceptionptr = (java_objectheader *) obj;
- return 0;
+ return JNI_OK;
}
-/*******************************************************************************
+/* ThrowNew ********************************************************************
- create exception object from the class clazz with the
- specified message and cause it to be thrown
+ Constructs an exception object from the specified class with the message
+ specified by message and causes that exception to be thrown.
*******************************************************************************/
java_lang_Throwable *o;
/* instantiate exception object */
- o = (java_lang_Throwable *) native_new_and_init((classinfo*) clazz);
- if (!o) return (-1);
+ o = (java_lang_Throwable *) native_new_and_init_string((classinfo *) clazz,
+ (java_lang_String *) javastring_new_char(msg));
- o->detailMessage = (java_lang_String *) javastring_new_char((char *) msg);
+ if (!o)
+ return -1;
*exceptionptr = (java_objectheader *) o;
}
-/************************* check if exception occured *****************************/
+/* ExceptionOccurred ***********************************************************
+
+ Determines if an exception is being thrown. The exception stays
+ being thrown until either the native code calls ExceptionClear(),
+ or the Java code handles the exception.
-jthrowable ExceptionOccurred (JNIEnv* env)
+*******************************************************************************/
+
+jthrowable ExceptionOccurred(JNIEnv *env)
{
return (jthrowable) *exceptionptr;
}
-/********** print exception and a backtrace of the stack (for debugging) **********/
-void ExceptionDescribe (JNIEnv* env)
+/* ExceptionDescribe ***********************************************************
+
+ Prints an exception and a backtrace of the stack to a system
+ error-reporting channel, such as stderr. This is a convenience
+ routine provided for debugging.
+
+*******************************************************************************/
+
+void ExceptionDescribe(JNIEnv *env)
{
- utf_display((*exceptionptr)->vftbl->class->name);
- printf ("\n");
- fflush (stdout);
+ java_objectheader *e;
+ methodinfo *m;
+
+ e = *exceptionptr;
+
+ if (e) {
+ /* clear exception, because we are calling jit code again */
+
+ *exceptionptr = NULL;
+
+ /* get printStackTrace method from exception class */
+
+ m = class_resolveclassmethod(e->vftbl->class,
+ utf_printStackTrace,
+ utf_void__void,
+ NULL,
+ true);
+
+ if (!m)
+ /* XXX what should we do? */
+ return;
+
+ /* print the stacktrace */
+
+ asm_calljavafunction(m, e, NULL, NULL, NULL);
+ }
}
-/******************* clear any exception currently being thrown *******************/
+/* ExceptionClear **************************************************************
-void ExceptionClear (JNIEnv* env)
+ Clears any exception that is currently being thrown. If no
+ exception is currently being thrown, this routine has no effect.
+
+*******************************************************************************/
+
+void ExceptionClear(JNIEnv *env)
{
- *exceptionptr = NULL;
+ *exceptionptr = NULL;
}
-/********** raises a fatal error and does not expect the VM to recover ************/
+/* FatalError ******************************************************************
+
+ Raises a fatal error and does not expect the VM to recover. This
+ function does not return.
+
+*******************************************************************************/
-void FatalError (JNIEnv* env, const char *msg)
+void FatalError(JNIEnv *env, const char *msg)
{
- panic((char *) msg);
+ throw_cacao_exception_exit(string_java_lang_InternalError, msg);
}
+
/******************* creates a new local reference frame **************************/
jint PushLocalFrame(JNIEnv* env, jint capacity)
/* empty */
}
-/********** Tests whether two references refer to the same Java object ************/
-jboolean IsSameObject (JNIEnv* env, jobject obj1, jobject obj2)
+/* IsSameObject ****************************************************************
+
+ Tests whether two references refer to the same Java object.
+
+*******************************************************************************/
+
+jboolean IsSameObject(JNIEnv *env, jobject ref1, jobject ref2)
{
- return (obj1==obj2);
+ return (ref1 == ref2);
}
+
/***** Creates a new local reference that refers to the same object as ref *******/
jobject NewLocalRef (JNIEnv* env, jobject ref)
}
-/********* Allocates a new Java object without invoking a constructor *************/
+/* AllocObject *****************************************************************
-jobject AllocObject (JNIEnv* env, jclass clazz)
+ Allocates a new Java object without invoking any of the constructors for the
+ object. Returns a reference to the object.
+
+*******************************************************************************/
+
+jobject AllocObject(JNIEnv *env, jclass clazz)
{
- java_objectheader *o = builtin_new(clazz);
+ java_objectheader *o;
+
+ if ((clazz->flags & ACC_INTERFACE) || (clazz->flags & ACC_ABSTRACT)) {
+ *exceptionptr =
+ new_exception_utfmessage(string_java_lang_InstantiationException,
+ clazz->name);
+ return NULL;
+ }
+
+ o = builtin_new(clazz);
+
return o;
}
-/***********************************************************************************
+/* NewObject *******************************************************************
- Constructs a new Java object
- arguments that are to be passed to the constructor are placed after methodID
+ Constructs a new Java object. The method ID indicates which constructor
+ method to invoke. This ID must be obtained by calling GetMethodID() with
+ <init> as the method name and void (V) as the return type.
-***********************************************************************************/
+*******************************************************************************/
-jobject NewObject (JNIEnv* env, jclass clazz, jmethodID methodID, ...)
+jobject NewObject(JNIEnv *env, jclass clazz, jmethodID methodID, ...)
{
java_objectheader *o;
void* args[3];
int i;
va_list vaargs;
- /* log_text("JNI-Call: NewObject"); */
-
#ifdef arglimit
if (argcount > 3) {
*exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
#endif
+
+ /* create object */
+
+ o = builtin_new(clazz);
- o = builtin_new (clazz); /* create object */
-
- if (!o) return NULL;
+ if (!o)
+ return NULL;
- va_start(vaargs,methodID);
- for (i=0;i<argcount;i++) {
- args[i]=va_arg(vaargs,void*);
+ va_start(vaargs, methodID);
+ for (i = 0; i < argcount; i++) {
+ args[i] = va_arg(vaargs, void*);
}
va_end(vaargs);
- asm_calljavafunction(methodID,o,args[0],args[1],args[2]);
+
+ /* call constructor */
+
+ asm_calljavafunction(methodID, o, args[0], args[1], args[2]);
return o;
}
}
-/**************** returns the method ID for an instance method ********************/
+/* GetMethodID *****************************************************************
+
+ returns the method ID for an instance method
+
+*******************************************************************************/
jmethodID GetMethodID(JNIEnv* env, jclass clazz, const char *name, const char *sig)
{
jmethodID m;
- m = class_resolvemethod (
- clazz,
- utf_new_char ((char*) name),
- utf_new_char ((char*) sig)
- );
+ m = class_resolvemethod(clazz,
+ utf_new_char((char *) name),
+ utf_new_char((char *) sig));
- if (!m) *exceptionptr = new_exception(string_java_lang_NoSuchMethodError);
- else if (m->flags & ACC_STATIC) {
- m=0;
- *exceptionptr = new_exception(string_java_lang_NoSuchMethodError);
+ if (!m || (m->flags & ACC_STATIC)) {
+ *exceptionptr =
+ new_exception_message(string_java_lang_NoSuchMethodError, name);
+
+ return 0;
}
+
return m;
}
{
va_list vaargs;
-/* log_text("JNI-Call: CallVoidMethod");*/
-
va_start(vaargs,methodID);
(void) callIntegerMethod(obj, get_virtual(obj, methodID), 'V', vaargs);
va_end(vaargs);
);
if (!f) {
- utf_display(clazz->name);
+ /*utf_display(clazz->name);
log_text(name);
- log_text(sig);
+ log_text(sig);*/
*exceptionptr = new_exception(string_java_lang_NoSuchFieldError);
}
return f;
jobject GetObjectField (JNIEnv *env, jobject obj, jfieldID fieldID)
{
+ /*
jobject dbg,dretval,*dpretval;
long int dli1, dli2, dli3;
-/* printf("GetObjectField(1): thread: %s obj: %p name: %s desc: %s \n",GetStringUTFChars(env,
+ printf("GetObjectField(1): thread: %s obj: %p name: %s desc: %s \n",GetStringUTFChars(env,
((threadobject *) THREADOBJECT)->o
.thread->name,NULL)
- ,obj,((fieldinfo*)fieldID)->name->text,(fieldID->descriptor)->text);*/
+ ,obj,((fieldinfo*)fieldID)->name->text,(fieldID->descriptor)->text);
dbg = getField(obj,jobject,fieldID);
dli1 = (long int) obj;
dli3 = dli1+dli2;
dpretval = (jobject*) dli3;
dretval = *dpretval;
-/* jclass tmp;
+ jclass tmp;
jmethodID mid;
jstring jstr;
,dbg, dli1, dli2, dli3,dpretval, dretval);*/
- return dbg;
+/* return dbg;*/
+
+ return getField(obj,jobject,fieldID);
}
jboolean GetBooleanField (JNIEnv *env, jobject obj, jfieldID fieldID)
utf_new_char((char *) name),
utf_new_char((char *) sig));
- if (!m) *exceptionptr = new_exception(string_java_lang_NoSuchMethodError);
- else if (!(m->flags & ACC_STATIC)) {
- m=0;
- *exceptionptr = new_exception(string_java_lang_NoSuchMethodError);
+ if (!m || !(m->flags & ACC_STATIC)) {
+ *exceptionptr =
+ new_exception_message(string_java_lang_NoSuchMethodError, name);
+
+ return NULL;
}
return m;
{
va_list vaargs;
-/* log_text("JNI-Call: CallStaticVoidMethod");*/
-
va_start(vaargs, methodID);
(void) callIntegerMethod(0, methodID, 'V', vaargs);
va_end(vaargs);
MFREE(((jchar*) chars),jchar,((java_lang_String*) str)->count+1);
}
-/************ create new java.lang.String object from utf8-characterarray **********/
-jstring NewStringUTF (JNIEnv *env, const char *utf)
+/* NewStringUTF ****************************************************************
+
+ Constructs a new java.lang.String object from an array of UTF-8 characters.
+
+*******************************************************************************/
+
+jstring NewStringUTF(JNIEnv *env, const char *bytes)
{
-/* log_text("NewStringUTF called");*/
- return (jstring) javastring_new(utf_new_char((char *) utf));
+ return (jstring) javastring_new(utf_new_char(bytes));
}
+
/****************** returns the utf8 length in bytes of a string *******************/
jsize GetStringUTFLength (JNIEnv *env, jstring string)
return 0;
}
-/******************************* monitor operations ********************************/
-jint MonitorEnter (JNIEnv* env, jobject obj)
+/* Monitor Operations *********************************************************/
+
+/* MonitorEnter ****************************************************************
+
+ Enters the monitor associated with the underlying Java object
+ referred to by obj.
+
+*******************************************************************************/
+
+jint MonitorEnter(JNIEnv *env, jobject obj)
{
- builtin_monitorenter(obj);
- return 0;
+ if (!obj) {
+ *exceptionptr = new_nullpointerexception();
+ return JNI_ERR;
+ }
+
+#if defined(USE_THREADS)
+ builtin_monitorenter(obj);
+#endif
+
+ return JNI_OK;
}
-jint MonitorExit (JNIEnv* env, jobject obj)
+/* MonitorExit *****************************************************************
+
+ The current thread must be the owner of the monitor associated with
+ the underlying Java object referred to by obj. The thread
+ decrements the counter indicating the number of times it has
+ entered this monitor. If the value of the counter becomes zero, the
+ current thread releases the monitor.
+
+*******************************************************************************/
+
+jint MonitorExit(JNIEnv *env, jobject obj)
{
- builtin_monitorexit(obj);
- return 0;
+ if (!obj) {
+ *exceptionptr = new_nullpointerexception();
+ return JNI_ERR;
+ }
+
+#if defined(USE_THREADS)
+ builtin_monitorexit(obj);
+#endif
+
+ return JNI_OK;
}
-/************************************* JavaVM interface ****************************/
-#ifdef __cplusplus
-#error CPP mode not supported yet
-#else
-jint GetJavaVM (JNIEnv* env, JavaVM **vm)
+/* JavaVM Interface ***********************************************************/
+
+/* GetJavaVM *******************************************************************
+
+ Returns the Java VM interface (used in the Invocation API)
+ associated with the current thread. The result is placed at the
+ location pointed to by the second argument, vm.
+
+*******************************************************************************/
+
+jint GetJavaVM(JNIEnv *env, JavaVM **vm)
{
- log_text("JNI-Call: GetJavaVM");
- *vm=&javaVM;
- return 0;
+ *vm = &ptr_jvm;
+
+ return 0;
}
-#endif /*__cplusplus*/
+
void GetStringRegion (JNIEnv* env, jstring str, jsize start, jsize len, jchar *buf)
{
- log_text("JNI-Call: GetStringRegion");
-
+ log_text("JNI-Call: GetStringRegion");
}
+
void GetStringUTFRegion (JNIEnv* env, jstring str, jsize start, jsize len, char *buf)
{
- log_text("JNI-Call: GetStringUTFRegion");
-
+ log_text("JNI-Call: GetStringUTFRegion");
}
+
/************** obtain direct pointer to array elements ***********************/
void * GetPrimitiveArrayCritical (JNIEnv* env, jarray array, jboolean *isCopy)
/** Creates a new global reference to the object referred to by the obj argument **/
jobject NewGlobalRef(JNIEnv* env, jobject lobj)
-{
- MonitorEnter(env,*global_ref_table);
- jobject refcount = CallObjectMethod(env, *global_ref_table, getmid, lobj);
- jint val = (refcount == NULL) ? 0 : CallIntMethod(env,refcount,intvalue);
- jobject newval = NewObject(env,intclass,newint,val+1);
- if (newval != NULL) {
+{
+ jobject refcount;
+ jint val;
+ jobject newval;
- CallObjectMethod(env, *global_ref_table, putmid, lobj, newval);
+ MonitorEnter(env, *global_ref_table);
+
+ refcount = CallObjectMethod(env, *global_ref_table, getmid, lobj);
+ val = (refcount == NULL) ? 0 : CallIntMethod(env, refcount, intvalue);
+ newval = NewObject(env, intclass, newint, val + 1);
- MonitorExit(env,*global_ref_table);
+ if (newval != NULL) {
+ CallObjectMethod(env, *global_ref_table, putmid, lobj, newval);
+ MonitorExit(env, *global_ref_table);
return lobj;
+
} else {
log_text("JNI-NewGlobalRef: unable to create new java.lang.Integer");
- MonitorExit(env,*global_ref_table);
+ MonitorExit(env, *global_ref_table);
return NULL;
}
}
/************* Deletes the global reference pointed to by globalRef **************/
-void DeleteGlobalRef (JNIEnv* env, jobject gref)
+void DeleteGlobalRef(JNIEnv* env, jobject gref)
{
- MonitorEnter(env,*global_ref_table);
- jobject refcount = CallObjectMethod(env, *global_ref_table, getmid, gref);
+ jobject refcount;
+ jint val;
+
+ MonitorEnter(env, *global_ref_table);
+ refcount = CallObjectMethod(env, *global_ref_table, getmid, gref);
+
if (refcount == NULL) {
log_text("JNI-DeleteGlobalRef: unable to find global reference");
return;
}
- jint val = CallIntMethod(env,refcount,intvalue);
+
+ val = CallIntMethod(env, refcount, intvalue);
val--;
+
if (val == 0) {
CallObjectMethod(env, *global_ref_table, removemid,refcount);
+
} else {
- jobject newval = NewObject(env,intclass,newint,val);
+ jobject newval = NewObject(env, intclass, newint, val);
+
if (newval != NULL) {
CallObjectMethod(env,*global_ref_table, putmid,newval);
+
} else {
log_text("JNI-DeleteGlobalRef: unable to create new java.lang.Integer");
}
}
+
MonitorExit(env,*global_ref_table);
}
-/******************************* check for pending exception ***********************/
+/* ExceptionCheck *****************************************************************
-jboolean ExceptionCheck(JNIEnv* env)
-{
- log_text("JNI-Call: ExceptionCheck");
+ check for pending exception
+**********************************************************************************/
+
+jboolean ExceptionCheck(JNIEnv *env)
+{
return *exceptionptr ? JNI_TRUE : JNI_FALSE;
}
+/* New JNI 1.4 functions ******************************************************/
+
+/* NewDirectByteBuffer *********************************************************
+ Allocates and returns a direct java.nio.ByteBuffer referring to the block of
+ memory starting at the memory address address and extending capacity bytes.
+*******************************************************************************/
+
+jobject NewDirectByteBuffer(JNIEnv *env, void *address, jlong capacity)
+{
+ log_text("NewDirectByteBuffer: IMPLEMENT ME!");
+
+ return NULL;
+}
+
+
+/* GetDirectBufferAddress ******************************************************
+
+ Fetches and returns the starting address of the memory region referenced by
+ the given direct java.nio.Buffer.
+
+*******************************************************************************/
+
+void *GetDirectBufferAddress(JNIEnv *env, jobject buf)
+{
+ log_text("GetDirectBufferAddress: IMPLEMENT ME!");
+
+ return NULL;
+}
+
+
+/* GetDirectBufferCapacity *****************************************************
+
+ Fetches and returns the capacity in bytes of the memory region referenced by
+ the given direct java.nio.Buffer.
+
+*******************************************************************************/
+
+jlong GetDirectBufferCapacity(JNIEnv* env, jobject buf)
+{
+ log_text("GetDirectBufferCapacity: IMPLEMENT ME!");
+
+ return 0;
+}
jint DestroyJavaVM(JavaVM *vm)
}
-jint GetEnv(JavaVM *vm, void **environment, jint jniversion)
+jint GetEnv(JavaVM *vm, void **env, jint version)
{
- *environment = &env;
+ if ((version != JNI_VERSION_1_1) && (version != JNI_VERSION_1_2) &&
+ (version != JNI_VERSION_1_4)) {
+ *env = NULL;
+ return JNI_EVERSION;
+ }
- return 0;
+ /*
+ TODO: If the current thread is not attached to the VM...
+ if (0) {
+ *env = NULL;
+ return JNI_EDETACHED;
+ }
+ */
+
+ *env = &ptr_env;
+
+ return JNI_OK;
}
return 0;
}
+/************* JNI Initialization ****************************************************/
+
+jobject jni_init1(JNIEnv* env, jobject lobj) {
+#if defined(USE_THREADS)
+ while (initrunning) {yieldThread();} /* wait until init is done */
+#endif
+ if (global_ref_table == NULL) {
+ jni_init();
+ }
+#if defined(USE_THREADS)
+ else {
+ /* wait until jni_init is done */
+ MonitorEnter(env, *global_ref_table) ;
+ MonitorExit(env, *global_ref_table);
+ }
+#endif
+ return NewGlobalRef(env, lobj);
+}
+void jni_init2(JNIEnv* env, jobject gref) {
+ log_text("DeleteGlobalref called before NewGlobalref");
+#if defined(USE_THREADS)
+ while (initrunning) {yieldThread();} /* wait until init is done */
+#endif
+ if (global_ref_table == NULL) {
+ jni_init();
+ }
+#if defined(USE_THREADS)
+ else {
+ /* wait until jni_init is done */
+ MonitorEnter(env, *global_ref_table) ;
+ MonitorExit(env, *global_ref_table);
+ }
+#endif
+ DeleteGlobalRef(env, gref);
+}
+
+void jni_init(){
+ jmethodID mid;
+
+ initrunning = true;
+ log_text("JNI-Init: initialize global_ref_table");
+ /* initalize global reference table */
+ ihmclass = FindClass(NULL, "java/util/IdentityHashMap");
+
+ if (ihmclass == NULL) {
+ log_text("JNI-Init: unable to find java.util.IdentityHashMap");
+ }
+
+ mid = GetMethodID(NULL, ihmclass, "<init>","()V");
+ if (mid == NULL) {
+ log_text("JNI-Init: unable to find constructor in java.util.IdentityHashMap");
+ }
+
+ global_ref_table = (jobject*)heap_allocate(sizeof(jobject),true,NULL);
+
+ *global_ref_table = NewObject(NULL,ihmclass,mid);
-/********************************* JNI invocation table ******************************/
+ if (*global_ref_table == NULL) {
+ log_text("JNI-Init: unable to create new global_ref_table");
+ }
+
+ initrunning = false;
-struct _JavaVM javaVMTable={
- NULL,
- NULL,
- NULL,
- &DestroyJavaVM,
- &AttachCurrentThread,
- &DetachCurrentThread,
- &GetEnv,
- &AttachCurrentThreadAsDaemon
+ getmid = GetMethodID(NULL, ihmclass, "get","(Ljava/lang/Object;)Ljava/lang/Object;");
+ if (mid == NULL) {
+ log_text("JNI-Init: unable to find method \"get\" in java.util.IdentityHashMap");
+ }
+
+ getmid = GetMethodID(NULL ,ihmclass, "get","(Ljava/lang/Object;)Ljava/lang/Object;");
+ if (getmid == NULL) {
+ log_text("JNI-Init: unable to find method \"get\" in java.util.IdentityHashMap");
+ }
+
+ putmid = GetMethodID(NULL, ihmclass, "put","(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
+ if (putmid == NULL) {
+ log_text("JNI-Init: unable to find method \"put\" in java.util.IdentityHashMap");
+ }
+
+ intclass = FindClass(NULL, "java/lang/Integer");
+ if (intclass == NULL) {
+ log_text("JNI-Init: unable to find java.lang.Integer");
+ }
+
+ newint = GetMethodID(NULL, intclass, "<init>","(I)V");
+ if (newint == NULL) {
+ log_text("JNI-Init: unable to find constructor in java.lang.Integer");
+ }
+
+ intvalue = GetMethodID(NULL, intclass, "intValue","()I");
+ if (intvalue == NULL) {
+ log_text("JNI-Init: unable to find method \"intValue\" in java.lang.Integer");
+ }
+
+ removemid = GetMethodID(NULL, ihmclass, "remove","(Ljava/lang/Object;)Ljava/lang/Object;");
+ if (removemid == NULL) {
+ log_text("JNI-DeleteGlobalRef: unable to find method \"remove\" in java.lang.Object");
+ }
+
+ /* set NewGlobalRef, DeleteGlobalRef envTable entry to real implementation */
+
+ JNI_JNIEnvTable.NewGlobalRef = &NewGlobalRef;
+ JNI_JNIEnvTable.DeleteGlobalRef = &DeleteGlobalRef;
+}
+
+
+/* JNI invocation table *******************************************************/
+
+const struct JNIInvokeInterface JNI_JavaVMTable = {
+ NULL,
+ NULL,
+ NULL,
+
+ DestroyJavaVM,
+ AttachCurrentThread,
+ DetachCurrentThread,
+ GetEnv,
+ AttachCurrentThreadAsDaemon
};
-JavaVM javaVM = &javaVMTable;
-
-
-/********************************* JNI function table ******************************/
-
-struct JNI_Table envTable = {
- NULL,
- NULL,
- NULL,
- NULL,
- &GetVersion,
- &DefineClass,
- &FindClass,
- &FromReflectedMethod,
- &FromReflectedField,
- &ToReflectedMethod,
- &GetSuperclass,
- &IsAssignableForm,
- &ToReflectedField,
- &Throw,
- &ThrowNew,
- &ExceptionOccurred,
- &ExceptionDescribe,
- &ExceptionClear,
- &FatalError,
- &PushLocalFrame,
- &PopLocalFrame,
- &NewGlobalRef,
- &DeleteGlobalRef,
- &DeleteLocalRef,
- &IsSameObject,
- &NewLocalRef,
- &EnsureLocalCapacity,
- &AllocObject,
- &NewObject,
- &NewObjectV,
- &NewObjectA,
- &GetObjectClass,
- &IsInstanceOf,
- &GetMethodID,
- &CallObjectMethod,
- &CallObjectMethodV,
- &CallObjectMethodA,
- &CallBooleanMethod,
- &CallBooleanMethodV,
- &CallBooleanMethodA,
- &CallByteMethod,
- &CallByteMethodV,
- &CallByteMethodA,
- &CallCharMethod,
- &CallCharMethodV,
- &CallCharMethodA,
- &CallShortMethod,
- &CallShortMethodV,
- &CallShortMethodA,
- &CallIntMethod,
- &CallIntMethodV,
- &CallIntMethodA,
- &CallLongMethod,
- &CallLongMethodV,
- &CallLongMethodA,
- &CallFloatMethod,
- &CallFloatMethodV,
- &CallFloatMethodA,
- &CallDoubleMethod,
- &CallDoubleMethodV,
- &CallDoubleMethodA,
- &CallVoidMethod,
- &CallVoidMethodV,
- &CallVoidMethodA,
- &CallNonvirtualObjectMethod,
- &CallNonvirtualObjectMethodV,
- &CallNonvirtualObjectMethodA,
- &CallNonvirtualBooleanMethod,
- &CallNonvirtualBooleanMethodV,
- &CallNonvirtualBooleanMethodA,
- &CallNonvirtualByteMethod,
- &CallNonvirtualByteMethodV,
- &CallNonvirtualByteMethodA,
- &CallNonvirtualCharMethod,
- &CallNonvirtualCharMethodV,
- &CallNonvirtualCharMethodA,
- &CallNonvirtualShortMethod,
- &CallNonvirtualShortMethodV,
- &CallNonvirtualShortMethodA,
- &CallNonvirtualIntMethod,
- &CallNonvirtualIntMethodV,
- &CallNonvirtualIntMethodA,
- &CallNonvirtualLongMethod,
- &CallNonvirtualLongMethodV,
- &CallNonvirtualLongMethodA,
- &CallNonvirtualFloatMethod,
- &CallNonvirtualFloatMethodV,
- &CallNonvirtualFloatMethodA,
- &CallNonvirtualDoubleMethod,
- &CallNonvirtualDoubleMethodV,
- &CallNonvirtualDoubleMethodA,
- &CallNonvirtualVoidMethod,
- &CallNonvirtualVoidMethodV,
- &CallNonvirtualVoidMethodA,
- &GetFieldID,
- &GetObjectField,
- &GetBooleanField,
- &GetByteField,
- &GetCharField,
- &GetShortField,
- &GetIntField,
- &GetLongField,
- &GetFloatField,
- &GetDoubleField,
- &SetObjectField,
- &SetBooleanField,
- &SetByteField,
- &SetCharField,
- &SetShortField,
- &SetIntField,
- &SetLongField,
- &SetFloatField,
- &SetDoubleField,
- &GetStaticMethodID,
- &CallStaticObjectMethod,
- &CallStaticObjectMethodV,
- &CallStaticObjectMethodA,
- &CallStaticBooleanMethod,
- &CallStaticBooleanMethodV,
- &CallStaticBooleanMethodA,
- &CallStaticByteMethod,
- &CallStaticByteMethodV,
- &CallStaticByteMethodA,
- &CallStaticCharMethod,
- &CallStaticCharMethodV,
- &CallStaticCharMethodA,
- &CallStaticShortMethod,
- &CallStaticShortMethodV,
- &CallStaticShortMethodA,
- &CallStaticIntMethod,
- &CallStaticIntMethodV,
- &CallStaticIntMethodA,
- &CallStaticLongMethod,
- &CallStaticLongMethodV,
- &CallStaticLongMethodA,
- &CallStaticFloatMethod,
- &CallStaticFloatMethodV,
- &CallStaticFloatMethodA,
- &CallStaticDoubleMethod,
- &CallStaticDoubleMethodV,
- &CallStaticDoubleMethodA,
- &CallStaticVoidMethod,
- &CallStaticVoidMethodV,
- &CallStaticVoidMethodA,
- &GetStaticFieldID,
- &GetStaticObjectField,
- &GetStaticBooleanField,
- &GetStaticByteField,
- &GetStaticCharField,
- &GetStaticShortField,
- &GetStaticIntField,
- &GetStaticLongField,
- &GetStaticFloatField,
- &GetStaticDoubleField,
- &SetStaticObjectField,
- &SetStaticBooleanField,
- &SetStaticByteField,
- &SetStaticCharField,
- &SetStaticShortField,
- &SetStaticIntField,
- &SetStaticLongField,
- &SetStaticFloatField,
- &SetStaticDoubleField,
- &NewString,
- &GetStringLength,
- &GetStringChars,
- &ReleaseStringChars,
- &NewStringUTF,
- &GetStringUTFLength,
- &GetStringUTFChars,
- &ReleaseStringUTFChars,
- &GetArrayLength,
- &NewObjectArray,
- &GetObjectArrayElement,
- &SetObjectArrayElement,
- &NewBooleanArray,
- &NewByteArray,
- &NewCharArray,
- &NewShortArray,
- &NewIntArray,
- &NewLongArray,
- &NewFloatArray,
- &NewDoubleArray,
- &GetBooleanArrayElements,
- &GetByteArrayElements,
- &GetCharArrayElements,
- &GetShortArrayElements,
- &GetIntArrayElements,
- &GetLongArrayElements,
- &GetFloatArrayElements,
- &GetDoubleArrayElements,
- &ReleaseBooleanArrayElements,
- &ReleaseByteArrayElements,
- &ReleaseCharArrayElements,
- &ReleaseShortArrayElements,
- &ReleaseIntArrayElements,
- &ReleaseLongArrayElements,
- &ReleaseFloatArrayElements,
- &ReleaseDoubleArrayElements,
- &GetBooleanArrayRegion,
- &GetByteArrayRegion,
- &GetCharArrayRegion,
- &GetShortArrayRegion,
- &GetIntArrayRegion,
- &GetLongArrayRegion,
- &GetFloatArrayRegion,
- &GetDoubleArrayRegion,
- &SetBooleanArrayRegion,
- &SetByteArrayRegion,
- &SetCharArrayRegion,
- &SetShortArrayRegion,
- &SetIntArrayRegion,
- &SetLongArrayRegion,
- &SetFloatArrayRegion,
- &SetDoubleArrayRegion,
- &RegisterNatives,
- &UnregisterNatives,
- &MonitorEnter,
- &MonitorExit,
- &GetJavaVM,
- &GetStringRegion,
- &GetStringUTFRegion,
- &GetPrimitiveArrayCritical,
- &ReleasePrimitiveArrayCritical,
- &GetStringCritical,
- &ReleaseStringCritical,
- &NewWeakGlobalRef,
- &DeleteWeakGlobalRef,
- &ExceptionCheck
+
+/* JNI function table *********************************************************/
+
+struct JNINativeInterface JNI_JNIEnvTable = {
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ &GetVersion,
+
+ &DefineClass,
+ &FindClass,
+ &FromReflectedMethod,
+ &FromReflectedField,
+ &ToReflectedMethod,
+ &GetSuperclass,
+ &IsAssignableFrom,
+ &ToReflectedField,
+
+ &Throw,
+ &ThrowNew,
+ &ExceptionOccurred,
+ &ExceptionDescribe,
+ &ExceptionClear,
+ &FatalError,
+ &PushLocalFrame,
+ &PopLocalFrame,
+
+ &jni_init1, /* &NewGlobalRef, initialize Global_Ref_Table*/
+ &jni_init2, /* &DeleteGlobalRef,*/
+ &DeleteLocalRef,
+ &IsSameObject,
+ &NewLocalRef,
+ &EnsureLocalCapacity,
+
+ &AllocObject,
+ &NewObject,
+ &NewObjectV,
+ &NewObjectA,
+
+ &GetObjectClass,
+ &IsInstanceOf,
+
+ &GetMethodID,
+
+ &CallObjectMethod,
+ &CallObjectMethodV,
+ &CallObjectMethodA,
+ &CallBooleanMethod,
+ &CallBooleanMethodV,
+ &CallBooleanMethodA,
+ &CallByteMethod,
+ &CallByteMethodV,
+ &CallByteMethodA,
+ &CallCharMethod,
+ &CallCharMethodV,
+ &CallCharMethodA,
+ &CallShortMethod,
+ &CallShortMethodV,
+ &CallShortMethodA,
+ &CallIntMethod,
+ &CallIntMethodV,
+ &CallIntMethodA,
+ &CallLongMethod,
+ &CallLongMethodV,
+ &CallLongMethodA,
+ &CallFloatMethod,
+ &CallFloatMethodV,
+ &CallFloatMethodA,
+ &CallDoubleMethod,
+ &CallDoubleMethodV,
+ &CallDoubleMethodA,
+ &CallVoidMethod,
+ &CallVoidMethodV,
+ &CallVoidMethodA,
+
+ &CallNonvirtualObjectMethod,
+ &CallNonvirtualObjectMethodV,
+ &CallNonvirtualObjectMethodA,
+ &CallNonvirtualBooleanMethod,
+ &CallNonvirtualBooleanMethodV,
+ &CallNonvirtualBooleanMethodA,
+ &CallNonvirtualByteMethod,
+ &CallNonvirtualByteMethodV,
+ &CallNonvirtualByteMethodA,
+ &CallNonvirtualCharMethod,
+ &CallNonvirtualCharMethodV,
+ &CallNonvirtualCharMethodA,
+ &CallNonvirtualShortMethod,
+ &CallNonvirtualShortMethodV,
+ &CallNonvirtualShortMethodA,
+ &CallNonvirtualIntMethod,
+ &CallNonvirtualIntMethodV,
+ &CallNonvirtualIntMethodA,
+ &CallNonvirtualLongMethod,
+ &CallNonvirtualLongMethodV,
+ &CallNonvirtualLongMethodA,
+ &CallNonvirtualFloatMethod,
+ &CallNonvirtualFloatMethodV,
+ &CallNonvirtualFloatMethodA,
+ &CallNonvirtualDoubleMethod,
+ &CallNonvirtualDoubleMethodV,
+ &CallNonvirtualDoubleMethodA,
+ &CallNonvirtualVoidMethod,
+ &CallNonvirtualVoidMethodV,
+ &CallNonvirtualVoidMethodA,
+
+ &GetFieldID,
+
+ &GetObjectField,
+ &GetBooleanField,
+ &GetByteField,
+ &GetCharField,
+ &GetShortField,
+ &GetIntField,
+ &GetLongField,
+ &GetFloatField,
+ &GetDoubleField,
+ &SetObjectField,
+ &SetBooleanField,
+ &SetByteField,
+ &SetCharField,
+ &SetShortField,
+ &SetIntField,
+ &SetLongField,
+ &SetFloatField,
+ &SetDoubleField,
+
+ &GetStaticMethodID,
+
+ &CallStaticObjectMethod,
+ &CallStaticObjectMethodV,
+ &CallStaticObjectMethodA,
+ &CallStaticBooleanMethod,
+ &CallStaticBooleanMethodV,
+ &CallStaticBooleanMethodA,
+ &CallStaticByteMethod,
+ &CallStaticByteMethodV,
+ &CallStaticByteMethodA,
+ &CallStaticCharMethod,
+ &CallStaticCharMethodV,
+ &CallStaticCharMethodA,
+ &CallStaticShortMethod,
+ &CallStaticShortMethodV,
+ &CallStaticShortMethodA,
+ &CallStaticIntMethod,
+ &CallStaticIntMethodV,
+ &CallStaticIntMethodA,
+ &CallStaticLongMethod,
+ &CallStaticLongMethodV,
+ &CallStaticLongMethodA,
+ &CallStaticFloatMethod,
+ &CallStaticFloatMethodV,
+ &CallStaticFloatMethodA,
+ &CallStaticDoubleMethod,
+ &CallStaticDoubleMethodV,
+ &CallStaticDoubleMethodA,
+ &CallStaticVoidMethod,
+ &CallStaticVoidMethodV,
+ &CallStaticVoidMethodA,
+
+ &GetStaticFieldID,
+
+ &GetStaticObjectField,
+ &GetStaticBooleanField,
+ &GetStaticByteField,
+ &GetStaticCharField,
+ &GetStaticShortField,
+ &GetStaticIntField,
+ &GetStaticLongField,
+ &GetStaticFloatField,
+ &GetStaticDoubleField,
+ &SetStaticObjectField,
+ &SetStaticBooleanField,
+ &SetStaticByteField,
+ &SetStaticCharField,
+ &SetStaticShortField,
+ &SetStaticIntField,
+ &SetStaticLongField,
+ &SetStaticFloatField,
+ &SetStaticDoubleField,
+
+ &NewString,
+ &GetStringLength,
+ &GetStringChars,
+ &ReleaseStringChars,
+
+ &NewStringUTF,
+ &GetStringUTFLength,
+ &GetStringUTFChars,
+ &ReleaseStringUTFChars,
+
+ &GetArrayLength,
+
+ &NewObjectArray,
+ &GetObjectArrayElement,
+ &SetObjectArrayElement,
+
+ &NewBooleanArray,
+ &NewByteArray,
+ &NewCharArray,
+ &NewShortArray,
+ &NewIntArray,
+ &NewLongArray,
+ &NewFloatArray,
+ &NewDoubleArray,
+
+ &GetBooleanArrayElements,
+ &GetByteArrayElements,
+ &GetCharArrayElements,
+ &GetShortArrayElements,
+ &GetIntArrayElements,
+ &GetLongArrayElements,
+ &GetFloatArrayElements,
+ &GetDoubleArrayElements,
+
+ &ReleaseBooleanArrayElements,
+ &ReleaseByteArrayElements,
+ &ReleaseCharArrayElements,
+ &ReleaseShortArrayElements,
+ &ReleaseIntArrayElements,
+ &ReleaseLongArrayElements,
+ &ReleaseFloatArrayElements,
+ &ReleaseDoubleArrayElements,
+
+ &GetBooleanArrayRegion,
+ &GetByteArrayRegion,
+ &GetCharArrayRegion,
+ &GetShortArrayRegion,
+ &GetIntArrayRegion,
+ &GetLongArrayRegion,
+ &GetFloatArrayRegion,
+ &GetDoubleArrayRegion,
+ &SetBooleanArrayRegion,
+ &SetByteArrayRegion,
+ &SetCharArrayRegion,
+ &SetShortArrayRegion,
+ &SetIntArrayRegion,
+ &SetLongArrayRegion,
+ &SetFloatArrayRegion,
+ &SetDoubleArrayRegion,
+
+ &RegisterNatives,
+ &UnregisterNatives,
+
+ &MonitorEnter,
+ &MonitorExit,
+
+ &GetJavaVM,
+
+ /* new JNI 1.2 functions */
+
+ &GetStringRegion,
+ &GetStringUTFRegion,
+
+ &GetPrimitiveArrayCritical,
+ &ReleasePrimitiveArrayCritical,
+
+ &GetStringCritical,
+ &ReleaseStringCritical,
+
+ &NewWeakGlobalRef,
+ &DeleteWeakGlobalRef,
+
+ &ExceptionCheck,
+
+ /* new JNI 1.4 functions */
+
+ &NewDirectByteBuffer,
+ &GetDirectBufferAddress,
+ &GetDirectBufferCapacity
};
-JNIEnv env = &envTable;
+
+/* Invocation API Functions ***************************************************/
+
+/* JNI_GetDefaultJavaVMInitArgs ************************************************
+
+ Returns a default configuration for the Java VM.
+
+*******************************************************************************/
+
+jint JNI_GetDefaultJavaVMInitArgs(void *vm_args)
+{
+ JDK1_1InitArgs *_vm_args = (JDK1_1InitArgs *) vm_args;
+
+ /* GNU classpath currently supports JNI 1.2 */
+
+ _vm_args->version = JNI_VERSION_1_2;
+
+ return 0;
+}
+
+
+/* JNI_GetCreatedJavaVMs *******************************************************
+
+ Returns all Java VMs that have been created. Pointers to VMs are written in
+ the buffer vmBuf in the order they are created. At most bufLen number of
+ entries will be written. The total number of created VMs is returned in
+ *nVMs.
+
+*******************************************************************************/
+
+jint JNI_GetCreatedJavaVMs(JavaVM **vmBuf, jsize bufLen, jsize *nVMs)
+{
+ log_text("JNI_GetCreatedJavaVMs: IMPLEMENT ME!!!");
+
+ return 0;
+}
+
+
+/* JNI_CreateJavaVM ************************************************************
+
+ Loads and initializes a Java VM. The current thread becomes the main thread.
+ Sets the env argument to the JNI interface pointer of the main thread.
+
+*******************************************************************************/
+
+jint JNI_CreateJavaVM(JavaVM **p_vm, JNIEnv **p_env, void *vm_args)
+{
+ *p_vm = (JavaVM *) &JNI_JavaVMTable;
+ *p_env = (JNIEnv *) &JNI_JNIEnvTable;
+
+ return 0;
+}
jobject *jni_method_invokeNativeHelper(JNIEnv *env, struct methodinfo *methodID, jobject obj, java_objectarray *params)
argcount = get_parametercount(methodID);
- if (obj && (!builtin_instanceof((java_objectheader *) obj, methodID->class))) {
+ /* the method is an instance method the obj has to be an instance of the
+ class the method belongs to. For static methods the obj parameter
+ is ignored. */
+ if (!(methodID->flags & ACC_STATIC) && obj &&
+ (!builtin_instanceof((java_objectheader *) obj, methodID->class))) {
*exceptionptr = new_exception_message(string_java_lang_IllegalArgumentException,
"Object parameter of wrong type in Java_java_lang_reflect_Method_invokeNative");
return 0;
return 0;
}
#endif
-
- if (((!params) && (argcount != 0)) || (params && (params->header.size != argcount))) {
+ if (((params==0) && (argcount != 0)) || (params && (params->header.size != argcount))) {
*exceptionptr = new_exception(string_java_lang_IllegalArgumentException);
return 0;
}
- if (!(methodID->flags & ACC_STATIC) && (!obj)) {
- *exceptionptr = new_exception_message(string_java_lang_NullPointerException,
- "Static mismatch in Java_java_lang_reflect_Method_invokeNative");
+ if (((methodID->flags & ACC_STATIC)==0) && (0==obj)) {
+ *exceptionptr =
+ new_exception_message(string_java_lang_NullPointerException,
+ "Static mismatch in Java_java_lang_reflect_Method_invokeNative");
return 0;
}
if ((methodID->flags & ACC_STATIC) && (obj)) obj = 0;
- blk = MNEW(jni_callblock, 4 /*argcount+2*/);
+ if (obj) {
+ if ( (methodID->flags & ACC_ABSTRACT) || (methodID->class->flags & ACC_INTERFACE) ) {
+ methodID=get_virtual(obj,methodID);
+ }
+ }
+
+ blk = MNEW(jni_callblock, /*4 */argcount+2);
retT = fill_callblock_objA(obj, methodID->descriptor, blk, params);
break;
case 'I': {
- s4 intVal;
- intVal = (s4) asm_calljavafunction2(methodID,
- argcount + 1,
- (argcount + 1) * sizeof(jni_callblock),
- blk);
- retVal = builtin_new(class_new(utf_new_char("java/lang/Integer")));
+ s4 intVal;
+ intVal = asm_calljavafunction2int(methodID,
+ argcount + 1,
+ (argcount + 1) * sizeof(jni_callblock),
+ blk);
+ retVal = builtin_new(class_java_lang_Integer);
CallVoidMethod(env,
retVal,
class_resolvemethod(retVal->vftbl->class,
- utf_new_char("<init>"),
- utf_new_char("(I)V")),
+ utf_init,
+ utf_int__void),
intVal);
}
break;
case 'B': {
- s4 intVal;
- intVal = (s4) asm_calljavafunction2(methodID,
- argcount + 1,
- (argcount + 1) * sizeof(jni_callblock),
- blk);
- retVal = builtin_new(class_new(utf_new_char("java/lang/Byte")));
+ s4 intVal;
+ intVal = asm_calljavafunction2int(methodID,
+ argcount + 1,
+ (argcount + 1) * sizeof(jni_callblock),
+ blk);
+ retVal = builtin_new(class_java_lang_Byte);
CallVoidMethod(env,
retVal,
class_resolvemethod(retVal->vftbl->class,
- utf_new_char("<init>"),
- utf_new_char("(B)V")),
+ utf_init,
+ utf_byte__void),
intVal);
}
break;
case 'C': {
- s4 intVal;
- intVal = (s4) asm_calljavafunction2(methodID,
- argcount + 1,
- (argcount + 1) * sizeof(jni_callblock),
- blk);
- retVal = builtin_new(class_new(utf_new_char("java/lang/Character")));
+ s4 intVal;
+ intVal = asm_calljavafunction2int(methodID,
+ argcount + 1,
+ (argcount + 1) * sizeof(jni_callblock),
+ blk);
+ retVal = builtin_new(class_java_lang_Character);
CallVoidMethod(env,
retVal,
class_resolvemethod(retVal->vftbl->class,
- utf_new_char("<init>"),
- utf_new_char("(C)V")),
+ utf_init,
+ utf_char__void),
intVal);
}
break;
case 'S': {
- s4 intVal;
- intVal = (s4) asm_calljavafunction2(methodID,
- argcount + 1,
- (argcount + 1) * sizeof(jni_callblock),
- blk);
- retVal = builtin_new(class_new(utf_new_char("java/lang/Short")));
+ s4 intVal;
+ intVal = asm_calljavafunction2int(methodID,
+ argcount + 1,
+ (argcount + 1) * sizeof(jni_callblock),
+ blk);
+ retVal = builtin_new(class_java_lang_Short);
CallVoidMethod(env,
retVal,
class_resolvemethod(retVal->vftbl->class,
- utf_new_char("<init>"),
- utf_new_char("(S)V")),
+ utf_init,
+ utf_short__void),
intVal);
}
break;
case 'Z': {
- s4 intVal;
- intVal = (s4) asm_calljavafunction2(methodID,
- argcount + 1,
- (argcount + 1) * sizeof(jni_callblock),
- blk);
- retVal = builtin_new(class_new(utf_new_char("java/lang/Boolean")));
+ s4 intVal;
+ intVal = asm_calljavafunction2int(methodID,
+ argcount + 1,
+ (argcount + 1) * sizeof(jni_callblock),
+ blk);
+ retVal = builtin_new(class_java_lang_Boolean);
CallVoidMethod(env,
retVal,
class_resolvemethod(retVal->vftbl->class,
- utf_new_char("<init>"),
- utf_new_char("(Z)V")),
+ utf_init,
+ utf_boolean__void),
intVal);
}
break;
case 'J': {
- jlong intVal;
- intVal = asm_calljavafunction2long(methodID,
- argcount + 1,
- (argcount + 1) * sizeof(jni_callblock),
- blk);
- retVal = builtin_new(class_new(utf_new_char("java/lang/Long")));
+ jlong longVal;
+ longVal = asm_calljavafunction2long(methodID,
+ argcount + 1,
+ (argcount + 1) * sizeof(jni_callblock),
+ blk);
+ retVal = builtin_new(class_java_lang_Long);
CallVoidMethod(env,
retVal,
class_resolvemethod(retVal->vftbl->class,
- utf_new_char("<init>"),
- utf_new_char("(J)V")),
- intVal);
+ utf_init,
+ utf_long__void),
+ longVal);
}
break;
case 'F': {
jdouble floatVal;
- floatVal = asm_calljavafunction2double(methodID,
- argcount + 1,
- (argcount + 1) * sizeof(jni_callblock),
- blk);
- retVal = builtin_new(class_new(utf_new_char("java/lang/Float")));
+ floatVal = asm_calljavafunction2float(methodID,
+ argcount + 1,
+ (argcount + 1) * sizeof(jni_callblock),
+ blk);
+ retVal = builtin_new(class_java_lang_Float);
CallVoidMethod(env,
retVal,
class_resolvemethod(retVal->vftbl->class,
- utf_new_char("<init>"),
- utf_new_char("(F)V")),
+ utf_init,
+ utf_float__void),
floatVal);
}
break;
case 'D': {
- jdouble floatVal;
- floatVal = asm_calljavafunction2double(methodID,
- argcount + 1,
- (argcount + 1) * sizeof(jni_callblock),
- blk);
- retVal = builtin_new(class_new(utf_new_char("java/lang/Double")));
+ jdouble doubleVal;
+ doubleVal = asm_calljavafunction2double(methodID,
+ argcount + 1,
+ (argcount + 1) * sizeof(jni_callblock),
+ blk);
+ retVal = builtin_new(class_java_lang_Double);
CallVoidMethod(env,
retVal,
class_resolvemethod(retVal->vftbl->class,
- utf_new_char("<init>"),
- utf_new_char("(D)V")),
- floatVal);
+ utf_init,
+ utf_double__void),
+ doubleVal);
}
break;
default:
/* if this happens the acception has already been set by fill_callblock_objA*/
- MFREE(blk, jni_callblock, 4 /*argcount+2*/);
+ MFREE(blk, jni_callblock, /*4 */ argcount+2);
return (jobject *) 0;
}
- MFREE(blk, jni_callblock, 4 /*argcount+2*/);
+ MFREE(blk, jni_callblock, /* 4 */ argcount+2);
if (*exceptionptr) {
java_objectheader *exceptionToWrap = *exceptionptr;
return (jobject *) retVal;
}
-void jni_init() {
- jmethodID mid;
-
- log_text("JNI-Init: initialize global_ref_table");
- // initalize global reference table
- ihmclass = FindClass(NULL, "java/util/IdentityHashMap");
-
- if (ihmclass == NULL) {
- log_text("JNI-Init: unable to find java.util.IdentityHashMap");
- }
-
- mid = GetMethodID(NULL, ihmclass, "<init>","()V");
- if (mid == NULL) {
- log_text("JNI-Init: unable to find constructor in java.util.IdentityHashMap");
- }
-
- global_ref_table = (jobject*)heap_allocate(sizeof(jobject),true,NULL);
-
- *global_ref_table = NewObject(NULL,ihmclass,mid);
-
- if (*global_ref_table == NULL) {
- log_text("JNI-Init: unable to create new global_ref_table");
- }
-
- getmid = GetMethodID(NULL, ihmclass, "get","(Ljava/lang/Object;)Ljava/lang/Object;");
- if (mid == NULL) {
- log_text("JNI-Init: unable to find method \"get\" in java.util.IdentityHashMap");
- }
-
- getmid = GetMethodID(NULL ,ihmclass, "get","(Ljava/lang/Object;)Ljava/lang/Object;");
- if (getmid == NULL) {
- log_text("JNI-Init: unable to find method \"get\" in java.util.IdentityHashMap");
- }
- putmid = GetMethodID(NULL, ihmclass, "put","(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");
- if (putmid == NULL) {
- log_text("JNI-Init: unable to find method \"put\" in java.util.IdentityHashMap");
- }
-
- intclass = FindClass(NULL, "java/lang/Integer");
- if (intclass == NULL) {
- log_text("JNI-Init: unable to find java.lang.Integer");
- }
-
- newint = GetMethodID(NULL, intclass, "<init>","(I)V");
- if (newint == NULL) {
- log_text("JNI-Init: unable to find constructor in java.lang.Integer");
- }
-
- intvalue = GetMethodID(NULL, intclass, "intValue","()I");
- if (intvalue == NULL) {
- log_text("JNI-Init: unable to find method \"intValue\" in java.lang.Integer");
- }
-
- removemid = GetMethodID(NULL, ihmclass, "remove","(Ljava/lang/Object;)Ljava/lang/Object;");
- if (removemid == NULL) {
- log_text("JNI-DeleteGlobalRef: unable to find method \"remove\" in java.lang.Object");
- }
-}
/*
projects / cacao.git / blobdiff