Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86Instruction.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86Instruction.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,128 @@ +/* + * 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"; +}