/*
* 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";
}