// jni.cc - JNI implementation, including the jump table.
-/* Copyright (C) 1998, 1999, 2000 Free Software Foundation
+/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
This file is part of libgcj.
#include <java/lang/reflect/Method.h>
#include <java/lang/reflect/Modifier.h>
#include <java/lang/OutOfMemoryError.h>
-#include <java/util/Hashtable.h>
+#include <java/util/IdentityHashMap.h>
#include <java/lang/Integer.h>
-#include <gnu/gcj/jni/NativeThread.h>
+#include <java/lang/ThreadGroup.h>
+#include <java/lang/Thread.h>
+#include <gnu/gcj/runtime/JNIWeakRef.h>
#include <gcj/method.h>
#include <gcj/field.h>
#include <java-interp.h>
+#include <java-threads.h>
-// FIXME: remove these defines.
-#define ClassClass java::lang::Class::class$
-#define ObjectClass java::lang::Object::class$
-#define ThrowableClass java::lang::Throwable::class$
-#define MethodClass java::lang::reflect::Method::class$
-#define ThreadGroupClass java::lang::ThreadGroup::class$
-#define NativeThreadClass gnu::gcj::jni::NativeThread::class$
+using namespace gcj;
// This enum is used to select different template instantiations in
// the invocation code.
jobject vec[0];
};
-// This holds a reference count for all local and global references.
-static java::util::Hashtable *ref_table;
+// This holds a reference count for all local references.
+static java::util::IdentityHashMap *local_ref_table;
+// This holds a reference count for all global references.
+static java::util::IdentityHashMap *global_ref_table;
// The only VM.
static JavaVM *the_vm;
case JVMPI_EVENT_OBJECT_ALLOC:
_Jv_JVMPI_Notify_OBJECT_ALLOC = _Jv_JVMPI_Interface.NotifyEvent;
break;
-
+
case JVMPI_EVENT_THREAD_START:
_Jv_JVMPI_Notify_THREAD_START = _Jv_JVMPI_Interface.NotifyEvent;
break;
-
+
case JVMPI_EVENT_THREAD_END:
_Jv_JVMPI_Notify_THREAD_END = _Jv_JVMPI_Interface.NotifyEvent;
break;
-
+
default:
return JVMPI_NOT_AVAILABLE;
}
-
+
return JVMPI_SUCCESS;
}
case JVMPI_EVENT_OBJECT_ALLOC:
_Jv_JVMPI_Notify_OBJECT_ALLOC = NULL;
break;
-
+
default:
return JVMPI_NOT_AVAILABLE;
}
-
+
return JVMPI_SUCCESS;
}
#endif
void
_Jv_JNI_Init (void)
{
- ref_table = new java::util::Hashtable;
-
+ local_ref_table = new java::util::IdentityHashMap;
+ global_ref_table = new java::util::IdentityHashMap;
+
#ifdef ENABLE_JVMPI
_Jv_JVMPI_Interface.version = 1;
_Jv_JVMPI_Interface.EnableEvent = &jvmpiEnableEvent;
// Tell the GC that a certain pointer is live.
static void
-mark_for_gc (jobject obj)
+mark_for_gc (jobject obj, java::util::IdentityHashMap *ref_table)
{
JvSynchronize sync (ref_table);
// Unmark a pointer.
static void
-unmark_for_gc (jobject obj)
+unmark_for_gc (jobject obj, java::util::IdentityHashMap *ref_table)
{
JvSynchronize sync (ref_table);
Integer *refcount = (Integer *) ref_table->get (obj);
JvAssert (refcount);
jint val = refcount->intValue () - 1;
+ JvAssert (val >= 0);
if (val == 0)
ref_table->remove (obj);
else
ref_table->put (obj, new Integer (val));
}
+// "Unwrap" some random non-reference type. This exists to simplify
+// other template functions.
+template<typename T>
+static T
+unwrap (T val)
+{
+ return val;
+}
+
+// Unwrap a weak reference, if required.
+template<typename T>
+static T *
+unwrap (T *obj)
+{
+ using namespace gnu::gcj::runtime;
+ // We can compare the class directly because JNIWeakRef is `final'.
+ // Doing it this way is much faster.
+ if (obj == NULL || obj->getClass () != &JNIWeakRef::class$)
+ return obj;
+ JNIWeakRef *wr = reinterpret_cast<JNIWeakRef *> (obj);
+ return reinterpret_cast<T *> (wr->get ());
+}
+
\f
static jobject
_Jv_JNI_NewGlobalRef (JNIEnv *, jobject obj)
{
- mark_for_gc (obj);
+ // This seems weird but I think it is correct.
+ obj = unwrap (obj);
+ mark_for_gc (obj, global_ref_table);
return obj;
}
static void
_Jv_JNI_DeleteGlobalRef (JNIEnv *, jobject obj)
{
- unmark_for_gc (obj);
+ // This seems weird but I think it is correct.
+ obj = unwrap (obj);
+ unmark_for_gc (obj, global_ref_table);
}
static void
{
_Jv_JNI_LocalFrame *frame;
+ // This seems weird but I think it is correct.
+ obj = unwrap (obj);
+
for (frame = env->locals; frame != NULL; frame = frame->next)
{
- for (int i = 0; i < FRAME_SIZE; ++i)
+ for (int i = 0; i < frame->size; ++i)
{
if (frame->vec[i] == obj)
{
frame->vec[i] = NULL;
- unmark_for_gc (obj);
+ unmark_for_gc (obj, local_ref_table);
return;
}
}
static jobject
_Jv_JNI_NewLocalRef (JNIEnv *env, jobject obj)
{
+ // This seems weird but I think it is correct.
+ obj = unwrap (obj);
+
// Try to find an open slot somewhere in the topmost frame.
_Jv_JNI_LocalFrame *frame = env->locals;
bool done = false, set = false;
- while (frame != NULL && ! done)
+ for (; frame != NULL && ! done; frame = frame->next)
{
for (int i = 0; i < frame->size; ++i)
- if (frame->vec[i] == NULL)
- {
- set = true;
- done = true;
- frame->vec[i] = obj;
- break;
- }
+ {
+ if (frame->vec[i] == NULL)
+ {
+ set = true;
+ done = true;
+ frame->vec[i] = obj;
+ break;
+ }
+ }
+
+ // If we found a slot, or if the frame we just searched is the
+ // mark frame, then we are done.
+ if (done || frame->marker != MARK_NONE)
+ break;
}
if (! set)
env->locals->vec[0] = obj;
}
- mark_for_gc (obj);
+ mark_for_gc (obj, local_ref_table);
return obj;
}
bool done = false;
while (rf != NULL && ! done)
- {
+ {
for (int i = 0; i < rf->size; ++i)
if (rf->vec[i] != NULL)
- unmark_for_gc (rf->vec[i]);
+ unmark_for_gc (rf->vec[i], local_ref_table);
// If the frame we just freed is the marker frame, we are done.
done = (rf->marker == stop);
rf = n;
}
+ // Update the local frame information.
+ env->locals = rf;
+
return result == NULL ? NULL : _Jv_JNI_NewLocalRef (env, result);
}
return value;
}
-template<>
-static jobject
-wrap_value (JNIEnv *env, jobject value)
+// This specialization is used for jobject, jclass, jstring, jarray,
+// etc.
+template<typename T>
+static T *
+wrap_value (JNIEnv *env, T *value)
{
- return value == NULL ? value : _Jv_JNI_NewLocalRef (env, value);
+ return (value == NULL
+ ? value
+ : (T *) _Jv_JNI_NewLocalRef (env, (jobject) value));
}
\f
}
static jclass
-_Jv_JNI_DefineClass (JNIEnv *env, jobject loader,
+_Jv_JNI_DefineClass (JNIEnv *env, jobject loader,
const jbyte *buf, jsize bufLen)
{
try
{
+ loader = unwrap (loader);
+
jbyteArray bytes = JvNewByteArray (bufLen);
jbyte *elts = elements (bytes);
static jclass
_Jv_JNI_GetSuperclass (JNIEnv *env, jclass clazz)
{
- return (jclass) wrap_value (env, clazz->getSuperclass ());
+ return (jclass) wrap_value (env, unwrap (clazz)->getSuperclass ());
}
static jboolean
_Jv_JNI_IsAssignableFrom(JNIEnv *, jclass clazz1, jclass clazz2)
{
- return clazz1->isAssignableFrom (clazz2);
+ return unwrap (clazz1)->isAssignableFrom (unwrap (clazz2));
}
static jint
_Jv_JNI_Throw (JNIEnv *env, jthrowable obj)
{
// We check in case the user did some funky cast.
- JvAssert (obj != NULL && (&ThrowableClass)->isInstance (obj));
+ obj = unwrap (obj);
+ JvAssert (obj != NULL && java::lang::Throwable::class$.isInstance (obj));
env->ex = obj;
return 0;
}
{
using namespace java::lang::reflect;
- JvAssert ((&ThrowableClass)->isAssignableFrom (clazz));
+ clazz = unwrap (clazz);
+ JvAssert (java::lang::Throwable::class$.isAssignableFrom (clazz));
int r = JNI_OK;
try
{
JArray<jclass> *argtypes
- = (JArray<jclass> *) JvNewObjectArray (1, &ClassClass, NULL);
+ = (JArray<jclass> *) JvNewObjectArray (1, &java::lang::Class::class$,
+ NULL);
jclass *elts = elements (argtypes);
elts[0] = &StringClass;
static jboolean
_Jv_JNI_IsSameObject (JNIEnv *, jobject obj1, jobject obj2)
{
- return obj1 == obj2;
+ return unwrap (obj1) == unwrap (obj2);
}
static jobject
try
{
+ clazz = unwrap (clazz);
JvAssert (clazz && ! clazz->isArray ());
if (clazz->isInterface() || Modifier::isAbstract(clazz->getModifiers()))
env->ex = new java::lang::InstantiationException ();
static jclass
_Jv_JNI_GetObjectClass (JNIEnv *env, jobject obj)
{
+ obj = unwrap (obj);
JvAssert (obj);
return (jclass) wrap_value (env, obj->getClass());
}
static jboolean
_Jv_JNI_IsInstanceOf (JNIEnv *, jobject obj, jclass clazz)
{
- return clazz->isInstance(obj);
+ return unwrap (clazz)->isInstance(unwrap (obj));
}
\f
{
try
{
+ clazz = unwrap (clazz);
_Jv_InitClass (clazz);
_Jv_Utf8Const *name_u = _Jv_makeUtf8Const ((char *) name, -1);
- _Jv_Utf8Const *sig_u = _Jv_makeUtf8Const ((char *) sig, -1);
+
+ // FIXME: assume that SIG isn't too long.
+ int len = strlen (sig);
+ char s[len + 1];
+ for (int i = 0; i <= len; ++i)
+ s[i] = (sig[i] == '/') ? '.' : sig[i];
+ _Jv_Utf8Const *sig_u = _Jv_makeUtf8Const ((char *) s, -1);
JvAssert (! clazz->isPrimitive());
for (int i = 0; i < arg_types->length; ++i)
{
if (arg_elts[i] == JvPrimClass (byte))
- values[i].b = va_arg (vargs, jbyte);
+ values[i].b = (jbyte) va_arg (vargs, int);
else if (arg_elts[i] == JvPrimClass (short))
- values[i].s = va_arg (vargs, jshort);
+ values[i].s = (jshort) va_arg (vargs, int);
else if (arg_elts[i] == JvPrimClass (int))
values[i].i = va_arg (vargs, jint);
else if (arg_elts[i] == JvPrimClass (long))
else if (arg_elts[i] == JvPrimClass (double))
values[i].d = va_arg (vargs, jdouble);
else if (arg_elts[i] == JvPrimClass (boolean))
- values[i].z = va_arg (vargs, jboolean);
+ values[i].z = (jboolean) va_arg (vargs, int);
else if (arg_elts[i] == JvPrimClass (char))
- values[i].c = va_arg (vargs, jchar);
+ values[i].c = (jchar) va_arg (vargs, int);
else
{
// An object.
- values[i].l = va_arg (vargs, jobject);
+ values[i].l = unwrap (va_arg (vargs, jobject));
}
}
}
_Jv_JNI_CallAnyMethodV (JNIEnv *env, jobject obj, jclass klass,
jmethodID id, va_list vargs)
{
+ obj = unwrap (obj);
+ klass = unwrap (klass);
+
if (style == normal)
id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature);
_Jv_JNI_CallAnyMethodA (JNIEnv *env, jobject obj, jclass klass,
jmethodID id, jvalue *args)
{
+ obj = unwrap (obj);
+ klass = unwrap (klass);
+
if (style == normal)
id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature);
if (style == constructor)
return_type = klass;
+ // Unwrap arguments as required. Eww.
+ jclass *type_elts = elements (arg_types);
+ jvalue arg_copy[arg_types->length];
+ for (int i = 0; i < arg_types->length; ++i)
+ {
+ if (type_elts[i]->isPrimitive ())
+ arg_copy[i] = args[i];
+ else
+ arg_copy[i].l = unwrap (args[i].l);
+ }
+
jvalue result;
jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id,
style == constructor,
- arg_types, args, &result);
+ arg_types, arg_copy, &result);
if (ex != NULL)
env->ex = ex;
_Jv_JNI_CallAnyVoidMethodV (JNIEnv *env, jobject obj, jclass klass,
jmethodID id, va_list vargs)
{
+ obj = unwrap (obj);
+ klass = unwrap (klass);
+
if (style == normal)
id = _Jv_LookupDeclaredMethod (obj->getClass (), id->name, id->signature);
_Jv_GetTypesFromSignature (id, decl_class,
&arg_types, &return_type);
+ // Unwrap arguments as required. Eww.
+ jclass *type_elts = elements (arg_types);
+ jvalue arg_copy[arg_types->length];
+ for (int i = 0; i < arg_types->length; ++i)
+ {
+ if (type_elts[i]->isPrimitive ())
+ arg_copy[i] = args[i];
+ else
+ arg_copy[i].l = unwrap (args[i].l);
+ }
+
jthrowable ex = _Jv_CallAnyMethodA (obj, return_type, id,
style == constructor,
arg_types, args, NULL);
jmethodID id, va_list args)
{
JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC));
- JvAssert ((&ClassClass)->isInstance (klass));
+ JvAssert (java::lang::Class::class$.isInstance (unwrap (klass)));
return _Jv_JNI_CallAnyMethodV<T, static_type> (env, NULL, klass, id, args);
}
T result;
JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC));
- JvAssert ((&ClassClass)->isInstance (klass));
+ JvAssert (java::lang::Class::class$.isInstance (unwrap (klass)));
va_start (args, id);
result = _Jv_JNI_CallAnyMethodV<T, static_type> (env, NULL, klass,
jvalue *args)
{
JvAssert (((id->accflags) & java::lang::reflect::Modifier::STATIC));
- JvAssert ((&ClassClass)->isInstance (klass));
+ JvAssert (java::lang::Class::class$.isInstance (unwrap (klass)));
return _Jv_JNI_CallAnyMethodA<T, static_type> (env, NULL, klass, id, args);
}
template<typename T>
static T
-_Jv_JNI_GetField (JNIEnv *env, jobject obj, jfieldID field)
+_Jv_JNI_GetField (JNIEnv *env, jobject obj, jfieldID field)
{
+ obj = unwrap (obj);
JvAssert (obj);
T *ptr = (T *) ((char *) obj + field->getOffset ());
return wrap_value (env, *ptr);
static void
_Jv_JNI_SetField (JNIEnv *, jobject obj, jfieldID field, T value)
{
+ obj = unwrap (obj);
+ value = unwrap (value);
+
JvAssert (obj);
T *ptr = (T *) ((char *) obj + field->getOffset ());
*ptr = value;
{
try
{
+ clazz = unwrap (clazz);
+
_Jv_InitClass (clazz);
_Jv_Utf8Const *a_name = _Jv_makeUtf8Const ((char *) name, -1);
- jclass field_class = NULL;
- if (sig[0] == '[')
- field_class = _Jv_FindClassFromSignature ((char *) sig, NULL);
- else
- {
- _Jv_Utf8Const *sig_u = _Jv_makeUtf8Const ((char *) sig, -1);
- field_class = _Jv_FindClass (sig_u, NULL);
- }
+ // FIXME: assume that SIG isn't too long.
+ int len = strlen (sig);
+ char s[len + 1];
+ for (int i = 0; i <= len; ++i)
+ s[i] = (sig[i] == '/') ? '.' : sig[i];
+ jclass field_class = _Jv_FindClassFromSignature ((char *) s, NULL);
// FIXME: what if field_class == NULL?
+ java::lang::ClassLoader *loader = clazz->getClassLoader ();
while (clazz != NULL)
{
+ // We acquire the class lock so that fields aren't resolved
+ // while we are running.
+ JvSynchronize sync (clazz);
+
jint count = (is_static
? JvNumStaticFields (clazz)
: JvNumInstanceFields (clazz));
: JvGetFirstInstanceField (clazz));
for (jint i = 0; i < count; ++i)
{
- // The field is resolved as a side effect of class
- // initialization.
- JvAssert (field->isResolved ());
-
_Jv_Utf8Const *f_name = field->getNameUtf8Const(clazz);
+ // The field might be resolved or it might not be. It
+ // is much simpler to always resolve it.
+ _Jv_ResolveField (field, loader);
if (_Jv_equalUtf8Consts (f_name, a_name)
&& field->getClass() == field_class)
return field;
static void
_Jv_JNI_SetStaticField (JNIEnv *, jclass, jfieldID field, T value)
{
+ value = unwrap (value);
T *ptr = (T *) field->u.addr;
*ptr = value;
}
static jsize
_Jv_JNI_GetStringLength (JNIEnv *, jstring string)
{
- return string->length();
+ return unwrap (string)->length();
}
static const jchar *
_Jv_JNI_GetStringChars (JNIEnv *, jstring string, jboolean *isCopy)
{
+ string = unwrap (string);
jchar *result = _Jv_GetStringChars (string);
- mark_for_gc (string);
+ mark_for_gc (string, global_ref_table);
if (isCopy)
*isCopy = false;
return (const jchar *) result;
static void
_Jv_JNI_ReleaseStringChars (JNIEnv *, jstring string, const jchar *)
{
- unmark_for_gc (string);
+ unmark_for_gc (unwrap (string), global_ref_table);
}
static jstring
static jsize
_Jv_JNI_GetStringUTFLength (JNIEnv *, jstring string)
{
- return JvGetStringUTFLength (string);
+ return JvGetStringUTFLength (unwrap (string));
}
static const char *
_Jv_JNI_GetStringUTFChars (JNIEnv *env, jstring string, jboolean *isCopy)
{
+ string = unwrap (string);
jsize len = JvGetStringUTFLength (string);
try
{
_Jv_JNI_GetStringRegion (JNIEnv *env, jstring string, jsize start, jsize len,
jchar *buf)
{
+ string = unwrap (string);
jchar *result = _Jv_GetStringChars (string);
if (start < 0 || start > string->length ()
|| len < 0 || start + len > string->length ())
_Jv_JNI_GetStringUTFRegion (JNIEnv *env, jstring str, jsize start,
jsize len, char *buf)
{
+ str = unwrap (str);
+
if (start < 0 || start > str->length ()
|| len < 0 || start + len > str->length ())
{
static const jchar *
_Jv_JNI_GetStringCritical (JNIEnv *, jstring str, jboolean *isCopy)
{
- jchar *result = _Jv_GetStringChars (str);
+ jchar *result = _Jv_GetStringChars (unwrap (str));
if (isCopy)
*isCopy = false;
return result;
static jsize
_Jv_JNI_GetArrayLength (JNIEnv *, jarray array)
{
- return array->length;
+ return unwrap (array)->length;
}
static jarray
{
try
{
+ elementClass = unwrap (elementClass);
+ init = unwrap (init);
+
jarray result = JvNewObjectArray (length, elementClass, init);
return (jarray) wrap_value (env, result);
}
static jobject
_Jv_JNI_GetObjectArrayElement (JNIEnv *env, jobjectArray array, jsize index)
{
- jobject *elts = elements (array);
+ jobject *elts = elements (unwrap (array));
return wrap_value (env, elts[index]);
}
{
try
{
+ array = unwrap (array);
+ value = unwrap (value);
+
_Jv_CheckArrayStore (array, value);
jobject *elts = elements (array);
elts[index] = value;
_Jv_JNI_GetPrimitiveArrayElements (JNIEnv *, JArray<T> *array,
jboolean *isCopy)
{
+ array = unwrap (array);
T *elts = elements (array);
if (isCopy)
{
// We elect never to copy.
*isCopy = false;
}
- mark_for_gc (array);
+ mark_for_gc (array, global_ref_table);
return elts;
}
_Jv_JNI_ReleasePrimitiveArrayElements (JNIEnv *, JArray<T> *array,
T *, jint /* mode */)
{
+ array = unwrap (array);
// Note that we ignore MODE. We can do this because we never copy
// the array elements. My reading of the JNI documentation is that
// this is an option for the implementor.
- unmark_for_gc (array);
+ unmark_for_gc (array, global_ref_table);
}
template<typename T>
jsize start, jsize len,
T *buf)
{
- if (start < 0 || len >= array->length || start + len >= array->length)
+ array = unwrap (array);
+
+ // The cast to unsigned lets us save a comparison.
+ if (start < 0 || len < 0
+ || (unsigned long) (start + len) > (unsigned long) array->length)
{
try
{
template<typename T>
static void
-_Jv_JNI_SetPrimitiveArrayRegion (JNIEnv *env, JArray<T> *array,
+_Jv_JNI_SetPrimitiveArrayRegion (JNIEnv *env, JArray<T> *array,
jsize start, jsize len, T *buf)
{
- if (start < 0 || len >= array->length || start + len >= array->length)
+ array = unwrap (array);
+
+ // The cast to unsigned lets us save a comparison.
+ if (start < 0 || len < 0
+ || (unsigned long) (start + len) > (unsigned long) array->length)
{
try
{
_Jv_JNI_GetPrimitiveArrayCritical (JNIEnv *, jarray array,
jboolean *isCopy)
{
+ array = unwrap (array);
// FIXME: does this work?
jclass klass = array->getClass()->getComponentType();
JvAssert (klass->isPrimitive ());
{
try
{
- return _Jv_MonitorEnter (obj);
+ _Jv_MonitorEnter (unwrap (obj));
+ return 0;
}
catch (jthrowable t)
{
{
try
{
- return _Jv_MonitorExit (obj);
+ _Jv_MonitorExit (unwrap (obj));
+ return 0;
}
catch (jthrowable t)
{
{
try
{
+ cls = unwrap (cls);
java::lang::reflect::Field *field = new java::lang::reflect::Field();
field->declaringClass = cls;
field->offset = (char*) fieldID - (char *) cls->fields;
{
using namespace java::lang::reflect;
+ f = unwrap (f);
Field *field = reinterpret_cast<Field *> (f);
return _Jv_FromReflectedField (field);
}
{
using namespace java::lang::reflect;
- // FIXME.
- static _Jv_Utf8Const *init_name = _Jv_makeUtf8Const ("<init>", 6);
-
jobject result = NULL;
+ klass = unwrap (klass);
try
{
_Jv_JNI_FromReflectedMethod (JNIEnv *, jobject method)
{
using namespace java::lang::reflect;
- if ((&MethodClass)->isInstance (method))
+ method = unwrap (method);
+ if (Method::class$.isInstance (method))
return _Jv_FromReflectedMethod (reinterpret_cast<Method *> (method));
return
_Jv_FromReflectedConstructor (reinterpret_cast<Constructor *> (method));
}
+// JDK 1.2.
+jweak
+_Jv_JNI_NewWeakGlobalRef (JNIEnv *env, jobject obj)
+{
+ using namespace gnu::gcj::runtime;
+ JNIWeakRef *ref = NULL;
+
+ try
+ {
+ // This seems weird but I think it is correct.
+ obj = unwrap (obj);
+ ref = new JNIWeakRef (obj);
+ mark_for_gc (ref, global_ref_table);
+ }
+ catch (jthrowable t)
+ {
+ env->ex = t;
+ }
+
+ return reinterpret_cast<jweak> (ref);
+}
+
+void
+_Jv_JNI_DeleteWeakGlobalRef (JNIEnv *, jweak obj)
+{
+ using namespace gnu::gcj::runtime;
+ JNIWeakRef *ref = reinterpret_cast<JNIWeakRef *> (obj);
+ unmark_for_gc (ref, global_ref_table);
+ ref->clear ();
+}
+
+\f
+
+// Hash table of native methods.
+static JNINativeMethod *nathash;
+// Number of slots used.
+static int nathash_count = 0;
+// Number of slots available. Must be power of 2.
+static int nathash_size = 0;
+
+#define DELETED_ENTRY ((char *) (~0))
+
+// Compute a hash value for a native method descriptor.
+static int
+hash (const JNINativeMethod *method)
+{
+ char *ptr;
+ int hash = 0;
+
+ ptr = method->name;
+ while (*ptr)
+ hash = (31 * hash) + *ptr++;
+
+ ptr = method->signature;
+ while (*ptr)
+ hash = (31 * hash) + *ptr++;
+
+ return hash;
+}
+
+// Find the slot where a native method goes.
+static JNINativeMethod *
+nathash_find_slot (const JNINativeMethod *method)
+{
+ jint h = hash (method);
+ int step = (h ^ (h >> 16)) | 1;
+ int w = h & (nathash_size - 1);
+ int del = -1;
+
+ for (;;)
+ {
+ JNINativeMethod *slotp = &nathash[w];
+ if (slotp->name == NULL)
+ {
+ if (del >= 0)
+ return &nathash[del];
+ else
+ return slotp;
+ }
+ else if (slotp->name == DELETED_ENTRY)
+ del = w;
+ else if (! strcmp (slotp->name, method->name)
+ && ! strcmp (slotp->signature, method->signature))
+ return slotp;
+ w = (w + step) & (nathash_size - 1);
+ }
+}
+
+// Find a method. Return NULL if it isn't in the hash table.
+static void *
+nathash_find (JNINativeMethod *method)
+{
+ if (nathash == NULL)
+ return NULL;
+ JNINativeMethod *slot = nathash_find_slot (method);
+ if (slot->name == NULL || slot->name == DELETED_ENTRY)
+ return NULL;
+ return slot->fnPtr;
+}
+
+static void
+natrehash ()
+{
+ if (nathash == NULL)
+ {
+ nathash_size = 1024;
+ nathash =
+ (JNINativeMethod *) _Jv_AllocBytes (nathash_size
+ * sizeof (JNINativeMethod));
+ memset (nathash, 0, nathash_size * sizeof (JNINativeMethod));
+ }
+ else
+ {
+ int savesize = nathash_size;
+ JNINativeMethod *savehash = nathash;
+ nathash_size *= 2;
+ nathash =
+ (JNINativeMethod *) _Jv_AllocBytes (nathash_size
+ * sizeof (JNINativeMethod));
+ memset (nathash, 0, nathash_size * sizeof (JNINativeMethod));
+
+ for (int i = 0; i < savesize; ++i)
+ {
+ if (savehash[i].name != NULL && savehash[i].name != DELETED_ENTRY)
+ {
+ JNINativeMethod *slot = nathash_find_slot (&savehash[i]);
+ *slot = savehash[i];
+ }
+ }
+ }
+}
+
+static void
+nathash_add (const JNINativeMethod *method)
+{
+ if (3 * nathash_count >= 2 * nathash_size)
+ natrehash ();
+ JNINativeMethod *slot = nathash_find_slot (method);
+ // If the slot has a real entry in it, then there is no work to do.
+ if (slot->name != NULL && slot->name != DELETED_ENTRY)
+ return;
+ // FIXME
+ slot->name = strdup (method->name);
+ slot->signature = strdup (method->signature);
+ slot->fnPtr = method->fnPtr;
+}
+
static jint
-_Jv_JNI_RegisterNatives (JNIEnv *env, jclass k,
+_Jv_JNI_RegisterNatives (JNIEnv *env, jclass klass,
const JNINativeMethod *methods,
jint nMethods)
{
-#ifdef INTERPRETER
- // For now, this only matters for interpreted methods. FIXME.
- if (! _Jv_IsInterpretedClass (k))
- {
- // FIXME: throw exception.
- return JNI_ERR;
- }
- _Jv_InterpClass *klass = reinterpret_cast<_Jv_InterpClass *> (k);
+ // Synchronize while we do the work. This must match
+ // synchronization in some other functions that manipulate or use
+ // the nathash table.
+ JvSynchronize sync (global_ref_table);
// Look at each descriptor given us, and find the corresponding
// method in the class.
{
bool found = false;
- _Jv_MethodBase **imeths = _Jv_GetFirstMethod (klass);
+ _Jv_Method *imeths = JvGetFirstMethod (klass);
for (int i = 0; i < JvNumMethods (klass); ++i)
{
- _Jv_MethodBase *meth = imeths[i];
- _Jv_Method *self = meth->get_method ();
+ _Jv_Method *self = &imeths[i];
if (! strcmp (self->name->data, methods[j].name)
&& ! strcmp (self->signature->data, methods[j].signature))
break;
// Found a match that is native.
- _Jv_JNIMethod *jmeth = reinterpret_cast<_Jv_JNIMethod *> (meth);
- jmeth->set_function (methods[i].fnPtr);
found = true;
+ nathash_add (&methods[j]);
+
break;
}
}
}
return JNI_OK;
-#else /* INTERPRETER */
- return JNI_ERR;
-#endif /* INTERPRETER */
}
static jint
_Jv_JNI_UnregisterNatives (JNIEnv *, jclass)
{
+ // FIXME -- we could implement this.
return JNI_ERR;
}
\f
-#ifdef INTERPRETER
-
// Add a character to the buffer, encoding properly.
static void
add_char (char *buf, jchar c, int *here)
buf[(*here)++] = '_';
buf[(*here)++] = '3';
}
- else if (c == '/')
+
+ // Also check for `.' here because we might be passed an internal
+ // qualified class name like `foo.bar'.
+ else if (c == '/' || c == '.')
buf[(*here)++] = '_';
else if ((c >= '0' && c <= '9')
- || (c >= 'a' && c <= 'z')
- || (c >= 'A' && c <= 'Z'))
+ || (c >= 'a' && c <= 'z')
+ || (c >= 'A' && c <= 'Z'))
buf[(*here)++] = (char) c;
else
{
for (int i = 0; i < 4; ++i)
{
int val = c & 0x0f;
- buf[(*here) + 4 - i] = (val > 10) ? ('a' + val - 10) : ('0' + val);
+ buf[(*here) + 3 - i] = (val > 10) ? ('a' + val - 10) : ('0' + val);
c >>= 4;
}
*here += 4;
int long_start;
void *function;
+ // Synchronize on something convenient. Right now we use the hash.
+ JvSynchronize sync (global_ref_table);
+
+ // First see if we have an override in the hash table.
+ strncpy (buf, name->data, name->length);
+ buf[name->length] = '\0';
+ strncpy (buf + name->length + 1, signature->data, signature->length);
+ buf[name->length + signature->length + 1] = '\0';
+ JNINativeMethod meth;
+ meth.name = buf;
+ meth.signature = buf + name->length + 1;
+ function = nathash_find (&meth);
+ if (function != NULL)
+ return function;
+
+ // If there was no override, then look in the symbol table.
mangled_name (klass, name, signature, buf, &long_start);
char c = buf[long_start];
buf[long_start] = '\0';
if (function == NULL)
{
jstring str = JvNewStringUTF (name->data);
- JvThrow (new java::lang::AbstractMethodError (str));
+ throw new java::lang::AbstractMethodError (str);
}
}
return function;
}
+#ifdef INTERPRETER
+
// This function is the stub which is used to turn an ordinary (CNI)
// method call into a JNI call.
void
// We cache the value that we find, of course, but if we don't find
// a value we don't cache that fact -- we might subsequently load a
// library which finds the function in question.
- if (_this->function == NULL)
- _this->function = _Jv_LookupJNIMethod (_this->defining_class,
- _this->self->name,
- _this->self->signature);
+ {
+ // Synchronize on a convenient object to ensure sanity in case two
+ // threads reach this point for the same function at the same
+ // time.
+ JvSynchronize sync (global_ref_table);
+ if (_this->function == NULL)
+ _this->function = _Jv_LookupJNIMethod (_this->defining_class,
+ _this->self->name,
+ _this->self->signature);
+ }
JvAssert (_this->args_raw_size % sizeof (ffi_raw) == 0);
ffi_raw real_args[2 + _this->args_raw_size / sizeof (ffi_raw)];
&& attach->version != JNI_VERSION_1_1)
return JNI_EVERSION;
- JvAssert ((&ThreadGroupClass)->isInstance (attach->group));
+ JvAssert (java::lang::ThreadGroup::class$.isInstance (attach->group));
group = reinterpret_cast<java::lang::ThreadGroup *> (attach->group);
}
{
try
{
- (void) new gnu::gcj::jni::NativeThread (group, name);
+ _Jv_AttachCurrentThread (name, group);
}
catch (jthrowable t)
{
return JNI_ERR;
}
-static jint
+jint
_Jv_JNI_DetachCurrentThread (JavaVM *)
{
- java::lang::Thread *t = _Jv_ThreadCurrent ();
- if (t == NULL)
- return JNI_EDETACHED;
-
- // FIXME: we only allow threads attached via AttachCurrentThread to
- // be detached. I have no idea how we could implement detaching
- // other threads, given the requirement that we must release all the
- // monitors. That just seems evil.
- JvAssert ((&NativeThreadClass)->isInstance (t));
-
- // FIXME: release the monitors. We'll take this to mean all
- // monitors acquired via the JNI interface. This means we have to
- // keep track of them.
-
- gnu::gcj::jni::NativeThread *nt
- = reinterpret_cast<gnu::gcj::jni::NativeThread *> (t);
- nt->finish ();
-
- return 0;
+ jint code = _Jv_DetachCurrentThread ();
+ return code ? JNI_EDETACHED : 0;
}
static jint
JNI_CreateJavaVM (JavaVM **vm, void **penv, void *args)
{
JvAssert (! the_vm);
+
+ _Jv_CreateJavaVM (NULL);
+
// FIXME: synchronize
JavaVM *nvm = (JavaVM *) _Jv_MallocUnchecked (sizeof (JavaVM));
if (nvm == NULL)
the_vm = nvm;
*vm = the_vm;
+
return 0;
}
\f
-#define NOT_IMPL NULL
#define RESERVED NULL
struct JNINativeInterface _Jv_JNIFunctions =
RESERVED,
RESERVED,
RESERVED,
- _Jv_JNI_GetVersion,
- _Jv_JNI_DefineClass,
- _Jv_JNI_FindClass,
- _Jv_JNI_FromReflectedMethod,
- _Jv_JNI_FromReflectedField,
- _Jv_JNI_ToReflectedMethod,
- _Jv_JNI_GetSuperclass,
- _Jv_JNI_IsAssignableFrom,
- _Jv_JNI_ToReflectedField,
- _Jv_JNI_Throw,
- _Jv_JNI_ThrowNew,
- _Jv_JNI_ExceptionOccurred,
- _Jv_JNI_ExceptionDescribe,
- _Jv_JNI_ExceptionClear,
- _Jv_JNI_FatalError,
-
- _Jv_JNI_PushLocalFrame,
- _Jv_JNI_PopLocalFrame,
- _Jv_JNI_NewGlobalRef,
- _Jv_JNI_DeleteGlobalRef,
- _Jv_JNI_DeleteLocalRef,
-
- _Jv_JNI_IsSameObject,
-
- _Jv_JNI_NewLocalRef,
- _Jv_JNI_EnsureLocalCapacity,
-
- _Jv_JNI_AllocObject,
- _Jv_JNI_NewObject,
- _Jv_JNI_NewObjectV,
- _Jv_JNI_NewObjectA,
- _Jv_JNI_GetObjectClass,
- _Jv_JNI_IsInstanceOf,
- _Jv_JNI_GetAnyMethodID<false>,
-
- _Jv_JNI_CallMethod<jobject>,
- _Jv_JNI_CallMethodV<jobject>,
- _Jv_JNI_CallMethodA<jobject>,
- _Jv_JNI_CallMethod<jboolean>,
- _Jv_JNI_CallMethodV<jboolean>,
- _Jv_JNI_CallMethodA<jboolean>,
- _Jv_JNI_CallMethod<jbyte>,
- _Jv_JNI_CallMethodV<jbyte>,
- _Jv_JNI_CallMethodA<jbyte>,
- _Jv_JNI_CallMethod<jchar>,
- _Jv_JNI_CallMethodV<jchar>,
- _Jv_JNI_CallMethodA<jchar>,
- _Jv_JNI_CallMethod<jshort>,
- _Jv_JNI_CallMethodV<jshort>,
- _Jv_JNI_CallMethodA<jshort>,
- _Jv_JNI_CallMethod<jint>,
- _Jv_JNI_CallMethodV<jint>,
- _Jv_JNI_CallMethodA<jint>,
- _Jv_JNI_CallMethod<jlong>,
- _Jv_JNI_CallMethodV<jlong>,
- _Jv_JNI_CallMethodA<jlong>,
- _Jv_JNI_CallMethod<jfloat>,
- _Jv_JNI_CallMethodV<jfloat>,
- _Jv_JNI_CallMethodA<jfloat>,
- _Jv_JNI_CallMethod<jdouble>,
- _Jv_JNI_CallMethodV<jdouble>,
- _Jv_JNI_CallMethodA<jdouble>,
- _Jv_JNI_CallVoidMethod,
- _Jv_JNI_CallVoidMethodV,
- _Jv_JNI_CallVoidMethodA,
+ _Jv_JNI_GetVersion, // GetVersion
+ _Jv_JNI_DefineClass, // DefineClass
+ _Jv_JNI_FindClass, // FindClass
+ _Jv_JNI_FromReflectedMethod, // FromReflectedMethod
+ _Jv_JNI_FromReflectedField, // FromReflectedField
+ _Jv_JNI_ToReflectedMethod, // ToReflectedMethod
+ _Jv_JNI_GetSuperclass, // GetSuperclass
+ _Jv_JNI_IsAssignableFrom, // IsAssignableFrom
+ _Jv_JNI_ToReflectedField, // ToReflectedField
+ _Jv_JNI_Throw, // Throw
+ _Jv_JNI_ThrowNew, // ThrowNew
+ _Jv_JNI_ExceptionOccurred, // ExceptionOccurred
+ _Jv_JNI_ExceptionDescribe, // ExceptionDescribe
+ _Jv_JNI_ExceptionClear, // ExceptionClear
+ _Jv_JNI_FatalError, // FatalError
+
+ _Jv_JNI_PushLocalFrame, // PushLocalFrame
+ _Jv_JNI_PopLocalFrame, // PopLocalFrame
+ _Jv_JNI_NewGlobalRef, // NewGlobalRef
+ _Jv_JNI_DeleteGlobalRef, // DeleteGlobalRef
+ _Jv_JNI_DeleteLocalRef, // DeleteLocalRef
+
+ _Jv_JNI_IsSameObject, // IsSameObject
+
+ _Jv_JNI_NewLocalRef, // NewLocalRef
+ _Jv_JNI_EnsureLocalCapacity, // EnsureLocalCapacity
+
+ _Jv_JNI_AllocObject, // AllocObject
+ _Jv_JNI_NewObject, // NewObject
+ _Jv_JNI_NewObjectV, // NewObjectV
+ _Jv_JNI_NewObjectA, // NewObjectA
+ _Jv_JNI_GetObjectClass, // GetObjectClass
+ _Jv_JNI_IsInstanceOf, // IsInstanceOf
+ _Jv_JNI_GetAnyMethodID<false>, // GetMethodID
+
+ _Jv_JNI_CallMethod<jobject>, // CallObjectMethod
+ _Jv_JNI_CallMethodV<jobject>, // CallObjectMethodV
+ _Jv_JNI_CallMethodA<jobject>, // CallObjectMethodA
+ _Jv_JNI_CallMethod<jboolean>, // CallBooleanMethod
+ _Jv_JNI_CallMethodV<jboolean>, // CallBooleanMethodV
+ _Jv_JNI_CallMethodA<jboolean>, // CallBooleanMethodA
+ _Jv_JNI_CallMethod<jbyte>, // CallByteMethod
+ _Jv_JNI_CallMethodV<jbyte>, // CallByteMethodV
+ _Jv_JNI_CallMethodA<jbyte>, // CallByteMethodA
+ _Jv_JNI_CallMethod<jchar>, // CallCharMethod
+ _Jv_JNI_CallMethodV<jchar>, // CallCharMethodV
+ _Jv_JNI_CallMethodA<jchar>, // CallCharMethodA
+ _Jv_JNI_CallMethod<jshort>, // CallShortMethod
+ _Jv_JNI_CallMethodV<jshort>, // CallShortMethodV
+ _Jv_JNI_CallMethodA<jshort>, // CallShortMethodA
+ _Jv_JNI_CallMethod<jint>, // CallIntMethod
+ _Jv_JNI_CallMethodV<jint>, // CallIntMethodV
+ _Jv_JNI_CallMethodA<jint>, // CallIntMethodA
+ _Jv_JNI_CallMethod<jlong>, // CallLongMethod
+ _Jv_JNI_CallMethodV<jlong>, // CallLongMethodV
+ _Jv_JNI_CallMethodA<jlong>, // CallLongMethodA
+ _Jv_JNI_CallMethod<jfloat>, // CallFloatMethod
+ _Jv_JNI_CallMethodV<jfloat>, // CallFloatMethodV
+ _Jv_JNI_CallMethodA<jfloat>, // CallFloatMethodA
+ _Jv_JNI_CallMethod<jdouble>, // CallDoubleMethod
+ _Jv_JNI_CallMethodV<jdouble>, // CallDoubleMethodV
+ _Jv_JNI_CallMethodA<jdouble>, // CallDoubleMethodA
+ _Jv_JNI_CallVoidMethod, // CallVoidMethod
+ _Jv_JNI_CallVoidMethodV, // CallVoidMethodV
+ _Jv_JNI_CallVoidMethodA, // CallVoidMethodA
// Nonvirtual method invocation functions follow.
- _Jv_JNI_CallAnyMethod<jobject, nonvirtual>,
- _Jv_JNI_CallAnyMethodV<jobject, nonvirtual>,
- _Jv_JNI_CallAnyMethodA<jobject, nonvirtual>,
- _Jv_JNI_CallAnyMethod<jboolean, nonvirtual>,
- _Jv_JNI_CallAnyMethodV<jboolean, nonvirtual>,
- _Jv_JNI_CallAnyMethodA<jboolean, nonvirtual>,
- _Jv_JNI_CallAnyMethod<jbyte, nonvirtual>,
- _Jv_JNI_CallAnyMethodV<jbyte, nonvirtual>,
- _Jv_JNI_CallAnyMethodA<jbyte, nonvirtual>,
- _Jv_JNI_CallAnyMethod<jchar, nonvirtual>,
- _Jv_JNI_CallAnyMethodV<jchar, nonvirtual>,
- _Jv_JNI_CallAnyMethodA<jchar, nonvirtual>,
- _Jv_JNI_CallAnyMethod<jshort, nonvirtual>,
- _Jv_JNI_CallAnyMethodV<jshort, nonvirtual>,
- _Jv_JNI_CallAnyMethodA<jshort, nonvirtual>,
- _Jv_JNI_CallAnyMethod<jint, nonvirtual>,
- _Jv_JNI_CallAnyMethodV<jint, nonvirtual>,
- _Jv_JNI_CallAnyMethodA<jint, nonvirtual>,
- _Jv_JNI_CallAnyMethod<jlong, nonvirtual>,
- _Jv_JNI_CallAnyMethodV<jlong, nonvirtual>,
- _Jv_JNI_CallAnyMethodA<jlong, nonvirtual>,
- _Jv_JNI_CallAnyMethod<jfloat, nonvirtual>,
- _Jv_JNI_CallAnyMethodV<jfloat, nonvirtual>,
- _Jv_JNI_CallAnyMethodA<jfloat, nonvirtual>,
- _Jv_JNI_CallAnyMethod<jdouble, nonvirtual>,
- _Jv_JNI_CallAnyMethodV<jdouble, nonvirtual>,
- _Jv_JNI_CallAnyMethodA<jdouble, nonvirtual>,
- _Jv_JNI_CallAnyVoidMethod<nonvirtual>,
- _Jv_JNI_CallAnyVoidMethodV<nonvirtual>,
- _Jv_JNI_CallAnyVoidMethodA<nonvirtual>,
-
- _Jv_JNI_GetAnyFieldID<false>,
- _Jv_JNI_GetField<jobject>,
- _Jv_JNI_GetField<jboolean>,
- _Jv_JNI_GetField<jbyte>,
- _Jv_JNI_GetField<jchar>,
- _Jv_JNI_GetField<jshort>,
- _Jv_JNI_GetField<jint>,
- _Jv_JNI_GetField<jlong>,
- _Jv_JNI_GetField<jfloat>,
- _Jv_JNI_GetField<jdouble>,
- _Jv_JNI_SetField,
- _Jv_JNI_SetField,
- _Jv_JNI_SetField,
- _Jv_JNI_SetField,
- _Jv_JNI_SetField,
- _Jv_JNI_SetField,
- _Jv_JNI_SetField,
- _Jv_JNI_SetField,
- _Jv_JNI_SetField,
- _Jv_JNI_GetAnyMethodID<true>,
-
- _Jv_JNI_CallStaticMethod<jobject>,
- _Jv_JNI_CallStaticMethodV<jobject>,
- _Jv_JNI_CallStaticMethodA<jobject>,
- _Jv_JNI_CallStaticMethod<jboolean>,
- _Jv_JNI_CallStaticMethodV<jboolean>,
- _Jv_JNI_CallStaticMethodA<jboolean>,
- _Jv_JNI_CallStaticMethod<jbyte>,
- _Jv_JNI_CallStaticMethodV<jbyte>,
- _Jv_JNI_CallStaticMethodA<jbyte>,
- _Jv_JNI_CallStaticMethod<jchar>,
- _Jv_JNI_CallStaticMethodV<jchar>,
- _Jv_JNI_CallStaticMethodA<jchar>,
- _Jv_JNI_CallStaticMethod<jshort>,
- _Jv_JNI_CallStaticMethodV<jshort>,
- _Jv_JNI_CallStaticMethodA<jshort>,
- _Jv_JNI_CallStaticMethod<jint>,
- _Jv_JNI_CallStaticMethodV<jint>,
- _Jv_JNI_CallStaticMethodA<jint>,
- _Jv_JNI_CallStaticMethod<jlong>,
- _Jv_JNI_CallStaticMethodV<jlong>,
- _Jv_JNI_CallStaticMethodA<jlong>,
- _Jv_JNI_CallStaticMethod<jfloat>,
- _Jv_JNI_CallStaticMethodV<jfloat>,
- _Jv_JNI_CallStaticMethodA<jfloat>,
- _Jv_JNI_CallStaticMethod<jdouble>,
- _Jv_JNI_CallStaticMethodV<jdouble>,
- _Jv_JNI_CallStaticMethodA<jdouble>,
- _Jv_JNI_CallStaticVoidMethod,
- _Jv_JNI_CallStaticVoidMethodV,
- _Jv_JNI_CallStaticVoidMethodA,
-
- _Jv_JNI_GetAnyFieldID<true>,
- _Jv_JNI_GetStaticField<jobject>,
- _Jv_JNI_GetStaticField<jboolean>,
- _Jv_JNI_GetStaticField<jbyte>,
- _Jv_JNI_GetStaticField<jchar>,
- _Jv_JNI_GetStaticField<jshort>,
- _Jv_JNI_GetStaticField<jint>,
- _Jv_JNI_GetStaticField<jlong>,
- _Jv_JNI_GetStaticField<jfloat>,
- _Jv_JNI_GetStaticField<jdouble>,
- _Jv_JNI_SetStaticField,
- _Jv_JNI_SetStaticField,
- _Jv_JNI_SetStaticField,
- _Jv_JNI_SetStaticField,
- _Jv_JNI_SetStaticField,
- _Jv_JNI_SetStaticField,
- _Jv_JNI_SetStaticField,
- _Jv_JNI_SetStaticField,
- _Jv_JNI_SetStaticField,
- _Jv_JNI_NewString,
- _Jv_JNI_GetStringLength,
- _Jv_JNI_GetStringChars,
- _Jv_JNI_ReleaseStringChars,
- _Jv_JNI_NewStringUTF,
- _Jv_JNI_GetStringUTFLength,
- _Jv_JNI_GetStringUTFChars,
- _Jv_JNI_ReleaseStringUTFChars,
- _Jv_JNI_GetArrayLength,
- _Jv_JNI_NewObjectArray,
- _Jv_JNI_GetObjectArrayElement,
- _Jv_JNI_SetObjectArrayElement,
+ _Jv_JNI_CallAnyMethod<jobject, nonvirtual>, // CallNonvirtualObjectMethod
+ _Jv_JNI_CallAnyMethodV<jobject, nonvirtual>, // CallNonvirtualObjectMethodV
+ _Jv_JNI_CallAnyMethodA<jobject, nonvirtual>, // CallNonvirtualObjectMethodA
+ _Jv_JNI_CallAnyMethod<jboolean, nonvirtual>, // CallNonvirtualBooleanMethod
+ _Jv_JNI_CallAnyMethodV<jboolean, nonvirtual>, // CallNonvirtualBooleanMethodV
+ _Jv_JNI_CallAnyMethodA<jboolean, nonvirtual>, // CallNonvirtualBooleanMethodA
+ _Jv_JNI_CallAnyMethod<jbyte, nonvirtual>, // CallNonvirtualByteMethod
+ _Jv_JNI_CallAnyMethodV<jbyte, nonvirtual>, // CallNonvirtualByteMethodV
+ _Jv_JNI_CallAnyMethodA<jbyte, nonvirtual>, // CallNonvirtualByteMethodA
+ _Jv_JNI_CallAnyMethod<jchar, nonvirtual>, // CallNonvirtualCharMethod
+ _Jv_JNI_CallAnyMethodV<jchar, nonvirtual>, // CallNonvirtualCharMethodV
+ _Jv_JNI_CallAnyMethodA<jchar, nonvirtual>, // CallNonvirtualCharMethodA
+ _Jv_JNI_CallAnyMethod<jshort, nonvirtual>, // CallNonvirtualShortMethod
+ _Jv_JNI_CallAnyMethodV<jshort, nonvirtual>, // CallNonvirtualShortMethodV
+ _Jv_JNI_CallAnyMethodA<jshort, nonvirtual>, // CallNonvirtualShortMethodA
+ _Jv_JNI_CallAnyMethod<jint, nonvirtual>, // CallNonvirtualIntMethod
+ _Jv_JNI_CallAnyMethodV<jint, nonvirtual>, // CallNonvirtualIntMethodV
+ _Jv_JNI_CallAnyMethodA<jint, nonvirtual>, // CallNonvirtualIntMethodA
+ _Jv_JNI_CallAnyMethod<jlong, nonvirtual>, // CallNonvirtualLongMethod
+ _Jv_JNI_CallAnyMethodV<jlong, nonvirtual>, // CallNonvirtualLongMethodV
+ _Jv_JNI_CallAnyMethodA<jlong, nonvirtual>, // CallNonvirtualLongMethodA
+ _Jv_JNI_CallAnyMethod<jfloat, nonvirtual>, // CallNonvirtualFloatMethod
+ _Jv_JNI_CallAnyMethodV<jfloat, nonvirtual>, // CallNonvirtualFloatMethodV
+ _Jv_JNI_CallAnyMethodA<jfloat, nonvirtual>, // CallNonvirtualFloatMethodA
+ _Jv_JNI_CallAnyMethod<jdouble, nonvirtual>, // CallNonvirtualDoubleMethod
+ _Jv_JNI_CallAnyMethodV<jdouble, nonvirtual>, // CallNonvirtualDoubleMethodV
+ _Jv_JNI_CallAnyMethodA<jdouble, nonvirtual>, // CallNonvirtualDoubleMethodA
+ _Jv_JNI_CallAnyVoidMethod<nonvirtual>, // CallNonvirtualVoidMethod
+ _Jv_JNI_CallAnyVoidMethodV<nonvirtual>, // CallNonvirtualVoidMethodV
+ _Jv_JNI_CallAnyVoidMethodA<nonvirtual>, // CallNonvirtualVoidMethodA
+
+ _Jv_JNI_GetAnyFieldID<false>, // GetFieldID
+ _Jv_JNI_GetField<jobject>, // GetObjectField
+ _Jv_JNI_GetField<jboolean>, // GetBooleanField
+ _Jv_JNI_GetField<jbyte>, // GetByteField
+ _Jv_JNI_GetField<jchar>, // GetCharField
+ _Jv_JNI_GetField<jshort>, // GetShortField
+ _Jv_JNI_GetField<jint>, // GetIntField
+ _Jv_JNI_GetField<jlong>, // GetLongField
+ _Jv_JNI_GetField<jfloat>, // GetFloatField
+ _Jv_JNI_GetField<jdouble>, // GetDoubleField
+ _Jv_JNI_SetField, // SetObjectField
+ _Jv_JNI_SetField, // SetBooleanField
+ _Jv_JNI_SetField, // SetByteField
+ _Jv_JNI_SetField, // SetCharField
+ _Jv_JNI_SetField, // SetShortField
+ _Jv_JNI_SetField, // SetIntField
+ _Jv_JNI_SetField, // SetLongField
+ _Jv_JNI_SetField, // SetFloatField
+ _Jv_JNI_SetField, // SetDoubleField
+ _Jv_JNI_GetAnyMethodID<true>, // GetStaticMethodID
+
+ _Jv_JNI_CallStaticMethod<jobject>, // CallStaticObjectMethod
+ _Jv_JNI_CallStaticMethodV<jobject>, // CallStaticObjectMethodV
+ _Jv_JNI_CallStaticMethodA<jobject>, // CallStaticObjectMethodA
+ _Jv_JNI_CallStaticMethod<jboolean>, // CallStaticBooleanMethod
+ _Jv_JNI_CallStaticMethodV<jboolean>, // CallStaticBooleanMethodV
+ _Jv_JNI_CallStaticMethodA<jboolean>, // CallStaticBooleanMethodA
+ _Jv_JNI_CallStaticMethod<jbyte>, // CallStaticByteMethod
+ _Jv_JNI_CallStaticMethodV<jbyte>, // CallStaticByteMethodV
+ _Jv_JNI_CallStaticMethodA<jbyte>, // CallStaticByteMethodA
+ _Jv_JNI_CallStaticMethod<jchar>, // CallStaticCharMethod
+ _Jv_JNI_CallStaticMethodV<jchar>, // CallStaticCharMethodV
+ _Jv_JNI_CallStaticMethodA<jchar>, // CallStaticCharMethodA
+ _Jv_JNI_CallStaticMethod<jshort>, // CallStaticShortMethod
+ _Jv_JNI_CallStaticMethodV<jshort>, // CallStaticShortMethodV
+ _Jv_JNI_CallStaticMethodA<jshort>, // CallStaticShortMethodA
+ _Jv_JNI_CallStaticMethod<jint>, // CallStaticIntMethod
+ _Jv_JNI_CallStaticMethodV<jint>, // CallStaticIntMethodV
+ _Jv_JNI_CallStaticMethodA<jint>, // CallStaticIntMethodA
+ _Jv_JNI_CallStaticMethod<jlong>, // CallStaticLongMethod
+ _Jv_JNI_CallStaticMethodV<jlong>, // CallStaticLongMethodV
+ _Jv_JNI_CallStaticMethodA<jlong>, // CallStaticLongMethodA
+ _Jv_JNI_CallStaticMethod<jfloat>, // CallStaticFloatMethod
+ _Jv_JNI_CallStaticMethodV<jfloat>, // CallStaticFloatMethodV
+ _Jv_JNI_CallStaticMethodA<jfloat>, // CallStaticFloatMethodA
+ _Jv_JNI_CallStaticMethod<jdouble>, // CallStaticDoubleMethod
+ _Jv_JNI_CallStaticMethodV<jdouble>, // CallStaticDoubleMethodV
+ _Jv_JNI_CallStaticMethodA<jdouble>, // CallStaticDoubleMethodA
+ _Jv_JNI_CallStaticVoidMethod, // CallStaticVoidMethod
+ _Jv_JNI_CallStaticVoidMethodV, // CallStaticVoidMethodV
+ _Jv_JNI_CallStaticVoidMethodA, // CallStaticVoidMethodA
+
+ _Jv_JNI_GetAnyFieldID<true>, // GetStaticFieldID
+ _Jv_JNI_GetStaticField<jobject>, // GetStaticObjectField
+ _Jv_JNI_GetStaticField<jboolean>, // GetStaticBooleanField
+ _Jv_JNI_GetStaticField<jbyte>, // GetStaticByteField
+ _Jv_JNI_GetStaticField<jchar>, // GetStaticCharField
+ _Jv_JNI_GetStaticField<jshort>, // GetStaticShortField
+ _Jv_JNI_GetStaticField<jint>, // GetStaticIntField
+ _Jv_JNI_GetStaticField<jlong>, // GetStaticLongField
+ _Jv_JNI_GetStaticField<jfloat>, // GetStaticFloatField
+ _Jv_JNI_GetStaticField<jdouble>, // GetStaticDoubleField
+ _Jv_JNI_SetStaticField, // SetStaticObjectField
+ _Jv_JNI_SetStaticField, // SetStaticBooleanField
+ _Jv_JNI_SetStaticField, // SetStaticByteField
+ _Jv_JNI_SetStaticField, // SetStaticCharField
+ _Jv_JNI_SetStaticField, // SetStaticShortField
+ _Jv_JNI_SetStaticField, // SetStaticIntField
+ _Jv_JNI_SetStaticField, // SetStaticLongField
+ _Jv_JNI_SetStaticField, // SetStaticFloatField
+ _Jv_JNI_SetStaticField, // SetStaticDoubleField
+ _Jv_JNI_NewString, // NewString
+ _Jv_JNI_GetStringLength, // GetStringLength
+ _Jv_JNI_GetStringChars, // GetStringChars
+ _Jv_JNI_ReleaseStringChars, // ReleaseStringChars
+ _Jv_JNI_NewStringUTF, // NewStringUTF
+ _Jv_JNI_GetStringUTFLength, // GetStringUTFLength
+ _Jv_JNI_GetStringUTFChars, // GetStringUTFLength
+ _Jv_JNI_ReleaseStringUTFChars, // ReleaseStringUTFChars
+ _Jv_JNI_GetArrayLength, // GetArrayLength
+ _Jv_JNI_NewObjectArray, // NewObjectArray
+ _Jv_JNI_GetObjectArrayElement, // GetObjectArrayElement
+ _Jv_JNI_SetObjectArrayElement, // SetObjectArrayElement
_Jv_JNI_NewPrimitiveArray<jboolean, JvPrimClass (boolean)>,
- _Jv_JNI_NewPrimitiveArray<jbyte, JvPrimClass (byte)>,
- _Jv_JNI_NewPrimitiveArray<jchar, JvPrimClass (char)>,
- _Jv_JNI_NewPrimitiveArray<jshort, JvPrimClass (short)>,
- _Jv_JNI_NewPrimitiveArray<jint, JvPrimClass (int)>,
- _Jv_JNI_NewPrimitiveArray<jlong, JvPrimClass (long)>,
- _Jv_JNI_NewPrimitiveArray<jfloat, JvPrimClass (float)>,
- _Jv_JNI_NewPrimitiveArray<jdouble, JvPrimClass (double)>,
- _Jv_JNI_GetPrimitiveArrayElements,
- _Jv_JNI_GetPrimitiveArrayElements,
- _Jv_JNI_GetPrimitiveArrayElements,
- _Jv_JNI_GetPrimitiveArrayElements,
- _Jv_JNI_GetPrimitiveArrayElements,
- _Jv_JNI_GetPrimitiveArrayElements,
- _Jv_JNI_GetPrimitiveArrayElements,
- _Jv_JNI_GetPrimitiveArrayElements,
- _Jv_JNI_ReleasePrimitiveArrayElements,
- _Jv_JNI_ReleasePrimitiveArrayElements,
- _Jv_JNI_ReleasePrimitiveArrayElements,
- _Jv_JNI_ReleasePrimitiveArrayElements,
- _Jv_JNI_ReleasePrimitiveArrayElements,
- _Jv_JNI_ReleasePrimitiveArrayElements,
- _Jv_JNI_ReleasePrimitiveArrayElements,
- _Jv_JNI_ReleasePrimitiveArrayElements,
- _Jv_JNI_GetPrimitiveArrayRegion,
- _Jv_JNI_GetPrimitiveArrayRegion,
- _Jv_JNI_GetPrimitiveArrayRegion,
- _Jv_JNI_GetPrimitiveArrayRegion,
- _Jv_JNI_GetPrimitiveArrayRegion,
- _Jv_JNI_GetPrimitiveArrayRegion,
- _Jv_JNI_GetPrimitiveArrayRegion,
- _Jv_JNI_GetPrimitiveArrayRegion,
- _Jv_JNI_SetPrimitiveArrayRegion,
- _Jv_JNI_SetPrimitiveArrayRegion,
- _Jv_JNI_SetPrimitiveArrayRegion,
- _Jv_JNI_SetPrimitiveArrayRegion,
- _Jv_JNI_SetPrimitiveArrayRegion,
- _Jv_JNI_SetPrimitiveArrayRegion,
- _Jv_JNI_SetPrimitiveArrayRegion,
- _Jv_JNI_SetPrimitiveArrayRegion,
- _Jv_JNI_RegisterNatives,
- _Jv_JNI_UnregisterNatives,
- _Jv_JNI_MonitorEnter,
- _Jv_JNI_MonitorExit,
- _Jv_JNI_GetJavaVM,
-
- _Jv_JNI_GetStringRegion,
- _Jv_JNI_GetStringUTFRegion,
- _Jv_JNI_GetPrimitiveArrayCritical,
- _Jv_JNI_ReleasePrimitiveArrayCritical,
- _Jv_JNI_GetStringCritical,
- _Jv_JNI_ReleaseStringCritical,
-
- NOT_IMPL /* newweakglobalref */,
- NOT_IMPL /* deleteweakglobalref */,
+ // NewBooleanArray
+ _Jv_JNI_NewPrimitiveArray<jbyte, JvPrimClass (byte)>, // NewByteArray
+ _Jv_JNI_NewPrimitiveArray<jchar, JvPrimClass (char)>, // NewCharArray
+ _Jv_JNI_NewPrimitiveArray<jshort, JvPrimClass (short)>, // NewShortArray
+ _Jv_JNI_NewPrimitiveArray<jint, JvPrimClass (int)>, // NewIntArray
+ _Jv_JNI_NewPrimitiveArray<jlong, JvPrimClass (long)>, // NewLongArray
+ _Jv_JNI_NewPrimitiveArray<jfloat, JvPrimClass (float)>, // NewFloatArray
+ _Jv_JNI_NewPrimitiveArray<jdouble, JvPrimClass (double)>, // NewDoubleArray
+ _Jv_JNI_GetPrimitiveArrayElements, // GetBooleanArrayElements
+ _Jv_JNI_GetPrimitiveArrayElements, // GetByteArrayElements
+ _Jv_JNI_GetPrimitiveArrayElements, // GetCharArrayElements
+ _Jv_JNI_GetPrimitiveArrayElements, // GetShortArrayElements
+ _Jv_JNI_GetPrimitiveArrayElements, // GetIntArrayElements
+ _Jv_JNI_GetPrimitiveArrayElements, // GetLongArrayElements
+ _Jv_JNI_GetPrimitiveArrayElements, // GetFloatArrayElements
+ _Jv_JNI_GetPrimitiveArrayElements, // GetDoubleArrayElements
+ _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseBooleanArrayElements
+ _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseByteArrayElements
+ _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseCharArrayElements
+ _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseShortArrayElements
+ _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseIntArrayElements
+ _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseLongArrayElements
+ _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseFloatArrayElements
+ _Jv_JNI_ReleasePrimitiveArrayElements, // ReleaseDoubleArrayElements
+ _Jv_JNI_GetPrimitiveArrayRegion, // GetBooleanArrayRegion
+ _Jv_JNI_GetPrimitiveArrayRegion, // GetByteArrayRegion
+ _Jv_JNI_GetPrimitiveArrayRegion, // GetCharArrayRegion
+ _Jv_JNI_GetPrimitiveArrayRegion, // GetShortArrayRegion
+ _Jv_JNI_GetPrimitiveArrayRegion, // GetIntArrayRegion
+ _Jv_JNI_GetPrimitiveArrayRegion, // GetLongArrayRegion
+ _Jv_JNI_GetPrimitiveArrayRegion, // GetFloatArrayRegion
+ _Jv_JNI_GetPrimitiveArrayRegion, // GetDoubleArrayRegion
+ _Jv_JNI_SetPrimitiveArrayRegion, // SetBooleanArrayRegion
+ _Jv_JNI_SetPrimitiveArrayRegion, // SetByteArrayRegion
+ _Jv_JNI_SetPrimitiveArrayRegion, // SetCharArrayRegion
+ _Jv_JNI_SetPrimitiveArrayRegion, // SetShortArrayRegion
+ _Jv_JNI_SetPrimitiveArrayRegion, // SetIntArrayRegion
+ _Jv_JNI_SetPrimitiveArrayRegion, // SetLongArrayRegion
+ _Jv_JNI_SetPrimitiveArrayRegion, // SetFloatArrayRegion
+ _Jv_JNI_SetPrimitiveArrayRegion, // SetDoubleArrayRegion
+ _Jv_JNI_RegisterNatives, // RegisterNatives
+ _Jv_JNI_UnregisterNatives, // UnregisterNatives
+ _Jv_JNI_MonitorEnter, // MonitorEnter
+ _Jv_JNI_MonitorExit, // MonitorExit
+ _Jv_JNI_GetJavaVM, // GetJavaVM
+
+ _Jv_JNI_GetStringRegion, // GetStringRegion
+ _Jv_JNI_GetStringUTFRegion, // GetStringUTFRegion
+ _Jv_JNI_GetPrimitiveArrayCritical, // GetPrimitiveArrayCritical
+ _Jv_JNI_ReleasePrimitiveArrayCritical, // ReleasePrimitiveArrayCritical
+ _Jv_JNI_GetStringCritical, // GetStringCritical
+ _Jv_JNI_ReleaseStringCritical, // ReleaseStringCritical
+
+ _Jv_JNI_NewWeakGlobalRef, // NewWeakGlobalRef
+ _Jv_JNI_DeleteWeakGlobalRef, // DeleteWeakGlobalRef
_Jv_JNI_ExceptionCheck
};
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