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view agent/src/share/classes/sun/jvm/hotspot/asm/sparc/SPARCV9ReadInstruction.java @ 1602:136b78722a08
6939203: JSR 292 needs method handle constants
Summary: Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode.
Reviewed-by: twisti, never
author | jrose |
---|---|
date | Wed, 09 Jun 2010 18:50:45 -0700 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2002, 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. * * 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. * */ package sun.jvm.hotspot.asm.sparc; import sun.jvm.hotspot.asm.SymbolFinder; import sun.jvm.hotspot.utilities.Assert; public class SPARCV9ReadInstruction extends SPARCV9SpecialRegisterInstruction { final private int specialReg; final private int asrRegNum; final private SPARCRegister rd; public SPARCV9ReadInstruction(int specialReg, int asrRegNum, SPARCRegister rd) { super("rd"); this.specialReg = specialReg; this.asrRegNum = asrRegNum; this.rd = rd; } public int getSpecialRegister() { return specialReg; } public int getAncillaryRegister() { if (Assert.ASSERTS_ENABLED) Assert.that(specialReg == ASR, "not an ancillary register"); return asrRegNum; } protected String getDescription() { StringBuffer buf = new StringBuffer(); buf.append(getName()); buf.append(spaces); if(specialReg == ASR) buf.append("%asr" + asrRegNum); else buf.append(getSpecialRegisterName(specialReg)); buf.append(comma); buf.append(rd.toString()); return buf.toString(); } }