| /* |
| * Copyright (c) 2004, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include "jni.h" |
| #include "jni_util.h" |
| #include "jvm.h" |
| #include "jdk_util.h" |
| |
| #include "jdk_internal_misc_VM.h" |
| |
| /* Only register the performance-critical methods */ |
| static JNINativeMethod methods[] = { |
| {"getNanoTimeAdjustment", "(J)J", (void *)&JVM_GetNanoTimeAdjustment} |
| }; |
| |
| JNIEXPORT jobject JNICALL |
| Java_jdk_internal_misc_VM_latestUserDefinedLoader0(JNIEnv *env, jclass cls) { |
| return JVM_LatestUserDefinedLoader(env); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_jdk_internal_misc_VM_initialize(JNIEnv *env, jclass cls) { |
| if (!JDK_InitJvmHandle()) { |
| JNU_ThrowInternalError(env, "Handle for JVM not found for symbol lookup"); |
| return; |
| } |
| |
| // Registers implementations of native methods described in methods[] |
| // above. |
| // In particular, registers JVM_GetNanoTimeAdjustment as the implementation |
| // of the native VM.getNanoTimeAdjustment - avoiding the cost of |
| // introducing a Java_jdk_internal_misc_VM_getNanoTimeAdjustment wrapper |
| (*env)->RegisterNatives(env, cls, |
| methods, sizeof(methods)/sizeof(methods[0])); |
| } |
| |
| JNIEXPORT jobjectArray JNICALL |
| Java_jdk_internal_misc_VM_getRuntimeArguments(JNIEnv *env, jclass cls) { |
| return JVM_GetVmArguments(env); |
| } |