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comparison agent/src/share/classes/sun/jvm/hotspot/asm/Instruction.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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1 /*
2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.asm;
26
27 public interface Instruction {
28 public String getName();
29
30 // total size in bytes (operands + opcode).
31 // for eg. in sparc it is always 4 (= 32bits)
32 public int getSize();
33
34 // some type testers
35 public boolean isIllegal();
36 public boolean isArithmetic();
37 public boolean isLogical();
38 public boolean isShift();
39 public boolean isMove();
40 public boolean isBranch();
41 public boolean isCall();
42 public boolean isReturn();
43 public boolean isLoad();
44 public boolean isStore();
45 public boolean isFloat();
46 public boolean isTrap();
47 public boolean isNoop();
48
49 // convert the instruction as String given currentPc
50 // and SymbolFinder
51
52 public String asString(long currentPc, SymbolFinder symFinder);
53 }