1/*
2 * Copyright (c) 1998, 2019, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#ifndef SHARE_PRIMS_JVM_MISC_HPP
26#define SHARE_PRIMS_JVM_MISC_HPP
27
28#include "jni.h"
29#include "runtime/handles.hpp"
30
31// Useful entry points shared by JNI and JVM interface.
32// We do not allow real JNI or JVM entry point to call each other.
33
34jclass find_class_from_class_loader(JNIEnv* env, Symbol* name, jboolean init, Handle loader, Handle protection_domain, jboolean throwError, TRAPS);
35
36void trace_class_resolution(Klass* to_class);
37
38/*
39 * Support for -Xcheck:jni
40 */
41
42extern struct JNINativeInterface_* jni_functions_nocheck();
43extern struct JNINativeInterface_* jni_functions_check();
44
45/*
46 * Support for swappable jni function table.
47 */
48extern struct JNINativeInterface_* jni_functions();
49extern void copy_jni_function_table(const struct JNINativeInterface_* new_function_table);
50
51// Support for fast JNI accessors
52extern "C" {
53 typedef jboolean (JNICALL *GetBooleanField_t)
54 (JNIEnv *env, jobject obj, jfieldID fieldID);
55 typedef jbyte (JNICALL *GetByteField_t)
56 (JNIEnv *env, jobject obj, jfieldID fieldID);
57 typedef jchar (JNICALL *GetCharField_t)
58 (JNIEnv *env, jobject obj, jfieldID fieldID);
59 typedef jshort (JNICALL *GetShortField_t)
60 (JNIEnv *env, jobject obj, jfieldID fieldID);
61 typedef jint (JNICALL *GetIntField_t)
62 (JNIEnv *env, jobject obj, jfieldID fieldID);
63 typedef jlong (JNICALL *GetLongField_t)
64 (JNIEnv *env, jobject obj, jfieldID fieldID);
65 typedef jfloat (JNICALL *GetFloatField_t)
66 (JNIEnv *env, jobject obj, jfieldID fieldID);
67 typedef jdouble (JNICALL *GetDoubleField_t)
68 (JNIEnv *env, jobject obj, jfieldID fieldID);
69}
70
71void quicken_jni_functions();
72address jni_GetBooleanField_addr();
73address jni_GetByteField_addr();
74address jni_GetCharField_addr();
75address jni_GetShortField_addr();
76address jni_GetIntField_addr();
77address jni_GetLongField_addr();
78address jni_GetFloatField_addr();
79address jni_GetDoubleField_addr();
80
81#endif // SHARE_PRIMS_JVM_MISC_HPP
82