Mercurial > jdk8-mips64-public > hotspot / changeset

     1.1 --- a/src/share/vm/prims/whitebox.cpp	Tue Jun 24 15:50:50 2014 +0200
     1.2 +++ b/src/share/vm/prims/whitebox.cpp	Wed Nov 26 10:32:21 2014 -0800
     1.3 @@ -73,6 +73,9 @@
     1.4    return heapOopSize;
     1.5  WB_END
     1.6  
     1.7 +WB_ENTRY(jint, WB_GetVMPageSize(JNIEnv* env, jobject o))
     1.8 +  return os::vm_page_size();
     1.9 +WB_END
    1.10  
    1.11  class WBIsKlassAliveClosure : public KlassClosure {
    1.12      Symbol* _name;
    1.13 @@ -972,6 +975,7 @@
    1.14    {CC"getObjectSize",      CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectSize     },
    1.15    {CC"isObjectInOldGen",   CC"(Ljava/lang/Object;)Z", (void*)&WB_isObjectInOldGen  },
    1.16    {CC"getHeapOopSize",     CC"()I",                   (void*)&WB_GetHeapOopSize    },
    1.17 +  {CC"getVMPageSize",      CC"()I",                   (void*)&WB_GetVMPageSize     },
    1.18    {CC"isClassAlive0",      CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive      },
    1.19    {CC"classKnownToNotExist",
    1.20                             CC"(Ljava/lang/ClassLoader;Ljava/lang/String;)Z",(void*)&WB_ClassKnownToNotExist},

     2.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     2.2 +++ b/test/runtime/memory/ReadVMPageSize.java	Wed Nov 26 10:32:21 2014 -0800
     2.3 @@ -0,0 +1,46 @@
     2.4 +/*
     2.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     2.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     2.7 + *
     2.8 + * This code is free software; you can redistribute it and/or modify it
     2.9 + * under the terms of the GNU General Public License version 2 only, as
    2.10 + * published by the Free Software Foundation.
    2.11 + *
    2.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    2.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    2.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    2.15 + * version 2 for more details (a copy is included in the LICENSE file that
    2.16 + * accompanied this code).
    2.17 + *
    2.18 + * You should have received a copy of the GNU General Public License version
    2.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    2.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    2.21 + *
    2.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    2.23 + * or visit www.oracle.com if you need additional information or have any
    2.24 + * questions.
    2.25 + */
    2.26 +
    2.27 +/*
    2.28 + * @test
    2.29 + * @summary Using WhiteBox to get VM page size
    2.30 + * @library /testlibrary /testlibrary/whitebox
    2.31 + * @build ReadVMPageSize
    2.32 + * @run main ClassFileInstaller sun.hotspot.WhiteBox
    2.33 + * @run main/othervm  -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI  ReadVMPageSize
    2.34 + */
    2.35 +
    2.36 +import com.oracle.java.testlibrary.*;
    2.37 +import sun.hotspot.WhiteBox;
    2.38 +
    2.39 +public class ReadVMPageSize {
    2.40 +  public static void main(String args[]) throws Exception {
    2.41 +    WhiteBox wb = WhiteBox.getWhiteBox();
    2.42 +    int pageSize = wb.getVMPageSize();
    2.43 +    if (pageSize < 0) {
    2.44 +      throw new Exception("pageSize < 0");
    2.45 +    } else {
    2.46 +      System.out.println("Page size = " + pageSize);
    2.47 +    }
    2.48 +  }
    2.49 +}

     3.1 --- a/test/testlibrary/whitebox/sun/hotspot/WhiteBox.java	Tue Jun 24 15:50:50 2014 +0200
     3.2 +++ b/test/testlibrary/whitebox/sun/hotspot/WhiteBox.java	Wed Nov 26 10:32:21 2014 -0800
     3.3 @@ -75,6 +75,7 @@
     3.4    // Memory
     3.5    public native long getObjectAddress(Object o);
     3.6    public native int  getHeapOopSize();
     3.7 +  public native int  getVMPageSize();
     3.8    public native boolean isObjectInOldGen(Object o);
     3.9    public native long getObjectSize(Object o);
    3.10