jvm_misc.hpp revision 844:bd02caa94611 
1/*
2 * Copyright 1998-2009 Sun Microsystems, Inc.  All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25// Useful entry points shared by JNI and JVM interface.
26// We do not allow real JNI or JVM entry point to call each other.
27
28jclass find_class_from_class_loader(JNIEnv* env, symbolHandle name, jboolean init, Handle loader, Handle protection_domain, jboolean throwError, TRAPS);
29
30void trace_class_resolution(klassOop to_class);
31
32/*
33 * Support for Serialization and RMI. Currently used by HotSpot only.
34 */
35
36extern "C" {
37
38void JNICALL
39JVM_SetPrimitiveFieldValues(JNIEnv *env, jclass cb, jobject obj,
40                            jlongArray fieldIDs, jcharArray typecodes, jbyteArray data);
41
42void JNICALL
43JVM_GetPrimitiveFieldValues(JNIEnv *env, jclass cb, jobject obj,
44                            jlongArray fieldIDs, jcharArray typecodes, jbyteArray data);
45
46}
47
48/*
49 * Support for -Xcheck:jni
50 */
51
52extern struct JNINativeInterface_* jni_functions_nocheck();
53extern struct JNINativeInterface_* jni_functions_check();
54
55/*
56 * Support for swappable jni function table.
57 */
58extern struct JNINativeInterface_* jni_functions();
59extern void copy_jni_function_table(const struct JNINativeInterface_* new_function_table);
60
61// Support for fast JNI accessors
62extern "C" {
63  typedef jboolean (JNICALL *GetBooleanField_t)
64      (JNIEnv *env, jobject obj, jfieldID fieldID);
65  typedef jbyte (JNICALL *GetByteField_t)
66      (JNIEnv *env, jobject obj, jfieldID fieldID);
67  typedef jchar (JNICALL *GetCharField_t)
68      (JNIEnv *env, jobject obj, jfieldID fieldID);
69  typedef jshort (JNICALL *GetShortField_t)
70      (JNIEnv *env, jobject obj, jfieldID fieldID);
71  typedef jint (JNICALL *GetIntField_t)
72      (JNIEnv *env, jobject obj, jfieldID fieldID);
73  typedef jlong (JNICALL *GetLongField_t)
74      (JNIEnv *env, jobject obj, jfieldID fieldID);
75  typedef jfloat (JNICALL *GetFloatField_t)
76      (JNIEnv *env, jobject obj, jfieldID fieldID);
77  typedef jdouble (JNICALL *GetDoubleField_t)
78    (JNIEnv *env, jobject obj, jfieldID fieldID);
79}
80
81void    quicken_jni_functions();
82address jni_GetBooleanField_addr();
83address jni_GetByteField_addr();
84address jni_GetCharField_addr();
85address jni_GetShortField_addr();
86address jni_GetIntField_addr();
87address jni_GetLongField_addr();
88address jni_GetFloatField_addr();
89address jni_GetDoubleField_addr();
90