Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCV9MembarInstruction.java @ 210:05712c37c828
6676016: ParallelOldGC leaks memory
Summary: ensure that GCTask threads release resource and handle memory
Reviewed-by: jmasa, chrisphi
author | jcoomes |
---|---|
date | Wed, 18 Jun 2008 18:36:47 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2002 Sun Microsystems, Inc. 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. * * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.asm.sparc; import sun.jvm.hotspot.asm.SymbolFinder; import java.util.Vector; public class SPARCV9MembarInstruction extends SPARCInstruction implements SPARCV9Instruction { final private int mmask; final private int cmask; final private String description; public SPARCV9MembarInstruction(int mmask, int cmask) { super("membar"); this.mmask = mmask & 0xF; this.cmask = cmask & 0x7; description = initDescription(); } private String initDescription() { StringBuffer buf = new StringBuffer(); buf.append(getName()); buf.append(spaces); Vector masks = new Vector(); if ((mmask & 0x1) != 0) masks.add("#LoadLoad"); if ((mmask & 0x2) != 0) masks.add("#StoreLoad"); if ((mmask & 0x4) != 0) masks.add("#LoadStore"); if ((mmask & 0x8) != 0) masks.add("#StoreStore"); if ((cmask & 0x1) != 0) masks.add("#Lookaside"); if ((cmask & 0x2) != 0) masks.add("#MemIssue"); if ((cmask & 0x4) != 0) masks.add("#Sync"); // add all masks Object[] tempMasks = masks.toArray(); for (int i=0; i < tempMasks.length - 1; i++) { buf.append((String)tempMasks[i]); buf.append("| "); } buf.append((String)tempMasks[tempMasks.length - 1]); return buf.toString(); } public int getMMask() { return mmask; } public int getCMask() { return cmask; } public String asString(long currentPc, SymbolFinder symFinder) { return description; } }