* prims.cc (_Jv_MallocUnchecked): New function.
	(main_init): Call _Jv_JNI_Init.
	* include/jvm.h (_Jv_MallocUnchecked): Declare.
	(_Jv_JNI_Init): Declare.
	* jni.cc: Include Hashtable.h, OutOfMemoryError.h, Integer.h,
	<string.h>.
	(_Jv_JNI_NewGlobalRef): New function.
	(_Jv_JNI_DeleteGlobalRef): New function.
	(_Jv_JNI_DeleteLocalRef): New function.
	(_Jv_JNI_conversion_call): Initialize and clear local reference
	frame.
	(_Jv_JNI_NewLocalRef): New function.
	(struct _Jv_JNI_LocalFrame): New structure.
	(_Jv_JNI_PushLocalFrame): New function.
	(_Jv_JNI_EnsureLocalCapacity): New function.
	(FRAME_SIZE): New define.
	(_Jv_JNI_GetStringChars): Mark string, not characters.
	(_Jv_JNI_ReleaseStringChars): Unmark string, not characters.
	(_Jv_JNI_GetPrimitiveArrayElements): Mark array, not elements.
	(_Jv_JNI_ReleasePrimitiveArrayElements): Unmark array, not
	elements.
	(_Jv_JNI_DefineClass): Make return value a local ref.
	(_Jv_JNI_FindClass): Likewise.
	(_Jv_JNI_GetSuperclass): Likewise.
	(_Jv_JNI_ExceptionOccurred): Likewise.
	(_Jv_JNI_AllocObject): Likewise.
	(_Jv_JNI_GetObjectClass): Likewise.
	(_Jv_JNI_CallAnyMethodV): Likewise.
	(_Jv_JNI_NewString): Likewise.
	(_Jv_JNI_NewStringUTF): Likewise.
	(_Jv_JNI_NewObjectArray): Likewise.
	(_Jv_JNI_GetObjectArrayElement): Likewise.
	(_Jv_JNI_ToReflectedField): Likewise.
	(_Jv_JNI_ToReflectedMethod): Likewise.
	(_Jv_JNIFunctions): Updated table for new functions.
	(_Jv_JNI_Init): New function.
	(mark_for_gc): Wrote.
	(unmark_for_gc): Wrote.
	* include/jni.h (struct JNINativeInterface): Removed name from
	PopLocalFrame parameter.
	(class _Jv_JNIEnv): Added `locals' field.

From-SVN: r31730