hotspot/agent/src/share/classes/sun/jvm/hotspot/asm/Instruction.java

/*
 * 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;

public interface Instruction {
   public String getName();

   // total size in bytes (operands + opcode).
   // for eg. in sparc it is always 4 (= 32bits)
   public int getSize();

   // some type testers
   public boolean isIllegal();
   public boolean isArithmetic();
   public boolean isLogical();
   public boolean isShift();
   public boolean isMove();
   public boolean isBranch();
   public boolean isCall();
   public boolean isReturn();
   public boolean isLoad();
   public boolean isStore();
   public boolean isFloat();
   public boolean isTrap();
   public boolean isNoop();

   // convert the instruction as String given currentPc
   // and SymbolFinder

   public String asString(long currentPc, SymbolFinder symFinder);
}