1 /* 2 * Copyright (c) 1998, 2012, 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_VM_PRIMS_JVM_MISC_HPP 26 #define SHARE_VM_PRIMS_JVM_MISC_HPP 27 28 #include "prims/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 34 jclass find_class_from_class_loader(JNIEnv* env, Symbol* name, jboolean init, Handle loader, Handle protection_domain, jboolean throwError, TRAPS); 35 36 void trace_class_resolution(Klass* to_class); 37 38 /* 39 * Support for Serialization and RMI. Currently used by HotSpot only. 40 */ 41 42 extern "C" { 43 44 void JNICALL 45 JVM_SetPrimitiveFieldValues(JNIEnv *env, jclass cb, jobject obj, 46 jlongArray fieldIDs, jcharArray typecodes, jbyteArray data); 47 48 void JNICALL 49 JVM_GetPrimitiveFieldValues(JNIEnv *env, jclass cb, jobject obj, 50 jlongArray fieldIDs, jcharArray typecodes, jbyteArray data); 51 52 } 53 54 /* 55 * Support for -Xcheck:jni 56 */ 57 58 extern struct JNINativeInterface_* jni_functions_nocheck(); 59 extern struct JNINativeInterface_* jni_functions_check(); 60 61 /* 62 * Support for swappable jni function table. 63 */ 64 extern struct JNINativeInterface_* jni_functions(); 65 extern void copy_jni_function_table(const struct JNINativeInterface_* new_function_table); 66 67 // Support for fast JNI accessors 68 extern "C" { 69 typedef jboolean (JNICALL *GetBooleanField_t) 70 (JNIEnv *env, jobject obj, jfieldID fieldID); 71 typedef jbyte (JNICALL *GetByteField_t) 72 (JNIEnv *env, jobject obj, jfieldID fieldID); 73 typedef jchar (JNICALL *GetCharField_t) 74 (JNIEnv *env, jobject obj, jfieldID fieldID); 75 typedef jshort (JNICALL *GetShortField_t) 76 (JNIEnv *env, jobject obj, jfieldID fieldID); 77 typedef jint (JNICALL *GetIntField_t) 78 (JNIEnv *env, jobject obj, jfieldID fieldID); 79 typedef jlong (JNICALL *GetLongField_t) 80 (JNIEnv *env, jobject obj, jfieldID fieldID); 81 typedef jfloat (JNICALL *GetFloatField_t) 82 (JNIEnv *env, jobject obj, jfieldID fieldID); 83 typedef jdouble (JNICALL *GetDoubleField_t) 84 (JNIEnv *env, jobject obj, jfieldID fieldID); 85 } 86 87 void quicken_jni_functions(); 88 address jni_GetBooleanField_addr(); 89 address jni_GetByteField_addr(); 90 address jni_GetCharField_addr(); 91 address jni_GetShortField_addr(); 92 address jni_GetIntField_addr(); 93 address jni_GetLongField_addr(); 94 address jni_GetFloatField_addr(); 95 address jni_GetDoubleField_addr(); 96 97 #endif // SHARE_VM_PRIMS_JVM_MISC_HPP