1 /* 2 * Copyright (c) 2020, 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 #include "precompiled.hpp" 26 #include "runtime/interfaceSupport.inline.hpp" 27 #include "code/vmreg.hpp" 28 29 JNI_LEAF(jlong, NEP_vmStorageToVMReg(JNIEnv* env, jclass _unused, jint type, jint index)) 30 return VMRegImpl::vmStorageToVMReg(type, index)->value(); 31 JNI_END 32 33 #define CC (char*) /*cast a literal from (const char*)*/ 34 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &f) 35 36 static JNINativeMethod NEP_methods[] = { 37 {CC "vmStorageToVMReg", CC "(II)J", FN_PTR(NEP_vmStorageToVMReg)}, 38 }; 39 40 JNI_ENTRY(void, JVM_RegisterNativeEntryPointMethods(JNIEnv *env, jclass NEP_class)) 41 ThreadToNativeFromVM ttnfv(thread); 42 int status = env->RegisterNatives(NEP_class, NEP_methods, sizeof(NEP_methods)/sizeof(JNINativeMethod)); 43 guarantee(status == JNI_OK && !env->ExceptionOccurred(), 44 "register jdk.internal.invoke.NativeEntryPoint natives"); 45 JNI_END