0
|
1 /*
|
|
2 * Copyright 2002-2003 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.x86;
|
|
26
|
|
27 import sun.jvm.hotspot.asm.*;
|
|
28
|
|
29 public class X86CondJmpInstruction extends X86Instruction
|
|
30 implements BranchInstruction {
|
|
31 final private X86PCRelativeAddress addr;
|
|
32
|
|
33 public X86CondJmpInstruction(String name, X86PCRelativeAddress addr, int size, int prefixes) {
|
|
34 super(name, size, prefixes);
|
|
35 this.addr = addr;
|
|
36 if(addr instanceof X86PCRelativeAddress) {
|
|
37 addr.setInstructionSize(getSize());
|
|
38 }
|
|
39 }
|
|
40
|
|
41 public String asString(long currentPc, SymbolFinder symFinder) {
|
|
42 StringBuffer buf = new StringBuffer();
|
|
43 buf.append(getPrefixString());
|
|
44 buf.append(getName());
|
|
45 buf.append(spaces);
|
|
46
|
|
47 if(addr instanceof X86PCRelativeAddress) {
|
|
48 long disp = ((X86PCRelativeAddress)addr).getDisplacement();
|
|
49 long address = disp + currentPc;
|
|
50 buf.append(symFinder.getSymbolFor(address));
|
|
51 }
|
|
52 return buf.toString();
|
|
53 }
|
|
54
|
|
55 public Address getBranchDestination() {
|
|
56 return addr;
|
|
57 }
|
|
58
|
|
59 public boolean isBranch() {
|
|
60 return true;
|
|
61 }
|
|
62
|
|
63 public boolean isConditional() {
|
|
64 return true;
|
|
65 }
|
|
66 }
|