Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86Instruction.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
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children | c18cbe5936b8 |
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/* * Copyright 2002-2003 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.x86; import sun.jvm.hotspot.asm.*; public abstract class X86Instruction implements Instruction, X86Opcodes { final private String name; final private int size; final private int prefixes; public X86Instruction(String name, int size, int prefixes) { this.name = name; this.size = size; this.prefixes = prefixes; } public abstract String asString(long currentPc, SymbolFinder symFinder); public String getName() { return name; } public String getPrefixString() { StringBuffer buf = new StringBuffer(); if ((prefixes & PREFIX_REPZ) != 0) buf.append("repz "); if ((prefixes & PREFIX_REPNZ) != 0) buf.append("repnz "); if ((prefixes & PREFIX_LOCK) != 0) buf.append("lock "); return buf.toString(); } protected String getOperandAsString(Operand op) { StringBuffer buf = new StringBuffer(); if ((op instanceof Register) || (op instanceof Address)) { buf.append(op.toString()); } else { Number number = ((Immediate)op).getNumber(); buf.append("0x"); buf.append(Integer.toHexString(number.intValue())); } return buf.toString(); } public int getSize() { return size; } public boolean isArithmetic() { return false; } public boolean isBranch() { return false; } public boolean isCall() { return false; } public boolean isFloat() { return false; } public boolean isIllegal() { return false; } public boolean isLoad() { return false; } public boolean isLogical() { return false; } public boolean isMove() { return false; } public boolean isReturn() { return false; } public boolean isShift() { return false; } public boolean isStore() { return false; } public boolean isTrap() { return false; } public boolean isNoop() { return false; } protected static String comma = ", "; protected static String spaces = "\t"; }