Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/asm/Instruction.java @ 692:23276f80d930
6825642: nsk sajdi tests fail with NullPointerException
Reviewed-by: xlu, coleenp, kamg, swamyv
author | acorn |
---|---|
date | Thu, 02 Apr 2009 14:26:42 -0400 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * 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); }