Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/asm/ia64/IA64Register.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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/* * Copyright 2003 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.ia64; import sun.jvm.hotspot.asm.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.utilities.*; public class IA64Register extends Register { // private static final int STACKED_BASE = 32; private static final int STACKED_END = 127; // We put application registers here too rather than separate types private static final int APPL_BASE = 128; private static final int nofRegisters = 129; // total number of registers /** Constructor for an explicitly numbered register */ public IA64Register(int number) { super(number); } public int getNumberOfRegisters() { return nofRegisters; } public boolean isStacked() { return (32 <= getNumber()); } /** NOTE: this returns an offset in BYTES in this system! */ public long spOffsetInSavedWindow() { return 0; } public String toString() { return IA64Registers.getRegisterName(number); } public boolean isFramePointer() { return number == APPL_BASE; } public boolean isStackPointer() { return number == 12; } public boolean isFloat() { return false; } }