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src/java.base/share/classes/jdk/internal/misc/VM.java

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rev 50951 : 8202035: Archive the set of ModuleDescriptor and ModuleReference objects for observable system modules with unnamed initial module.
Summary: Support system module archiving with unnamed initial module at dump time.
Reviewed-by: erikj, coleenp, mchung, iklam, ccheung
Contributed-by: alan.bateman@oracle.com, jiangli.zhou@oracle.com
   1 /*
   2  * Copyright (c) 1996, 2016, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 396 
 397     /**
 398      * Returns the VM arguments for this runtime environment.
 399      *
 400      * @implNote
 401      * The HotSpot JVM processes the input arguments from multiple sources
 402      * in the following order:
 403      * 1. JAVA_TOOL_OPTIONS environment variable
 404      * 2. Options from JNI Invocation API
 405      * 3. _JAVA_OPTIONS environment variable
 406      *
 407      * If VM options file is specified via -XX:VMOptionsFile, the vm options
 408      * file is read and expanded in place of -XX:VMOptionFile option.
 409      */
 410     public static native String[] getRuntimeArguments();
 411 
 412     static {
 413         initialize();
 414     }
 415     private static native void initialize();











 416 }
   1 /*
   2  * Copyright (c) 1996, 2018, 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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 396 
 397     /**
 398      * Returns the VM arguments for this runtime environment.
 399      *
 400      * @implNote
 401      * The HotSpot JVM processes the input arguments from multiple sources
 402      * in the following order:
 403      * 1. JAVA_TOOL_OPTIONS environment variable
 404      * 2. Options from JNI Invocation API
 405      * 3. _JAVA_OPTIONS environment variable
 406      *
 407      * If VM options file is specified via -XX:VMOptionsFile, the vm options
 408      * file is read and expanded in place of -XX:VMOptionFile option.
 409      */
 410     public static native String[] getRuntimeArguments();
 411 
 412     static {
 413         initialize();
 414     }
 415     private static native void initialize();
 416 
 417     /**
 418      * Initialize archived static fields in the given Class using archived
 419      * values from CDS dump time. Also initialize the classes of objects in
 420      * the archived graph referenced by those fields.
 421      *
 422      * Those static fields remain as uninitialized if there is no mapped CDS
 423      * java heap data or there is any error during initialization of the
 424      * object class in the archived graph.
 425      */
 426     public static native void initializeFromArchive(Class<?> c);
 427 }
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