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comparison agent/src/share/classes/sun/jvm/hotspot/debugger/dummy/DummyDebugger.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2000-2004 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.debugger.dummy;
26
27 import java.util.*;
28 import sun.jvm.hotspot.debugger.*;
29 import sun.jvm.hotspot.debugger.cdbg.CDebugger;
30 import sun.jvm.hotspot.utilities.*;
31
32 /** For testing purposes */
33
34 public class DummyDebugger extends DebuggerBase {
35 private MachineDescription machDesc;
36
37 public DummyDebugger(MachineDescription machDesc) {
38 this.machDesc = machDesc;
39 }
40
41 public boolean hasProcessList() throws DebuggerException {
42 return false;
43 }
44
45 public List getProcessList() throws DebuggerException {
46 return null;
47 }
48
49 public void attach(int processID) throws DebuggerException {
50 }
51
52 public void attach(String executableName, String coreFileName)
53 throws DebuggerException {
54 }
55
56 public boolean detach() {
57 return true;
58 }
59
60 public Address parseAddress(String addrStr) {
61 String s = addrStr.trim();
62 if (!s.startsWith("0x")) {
63 throw new NumberFormatException(addrStr);
64 }
65 long l = 0;
66 for (int i = 2; i < s.length(); ++i) {
67 int val = charToNibble(s.charAt(i));
68 l <<= 4;
69 l |= val;
70 }
71 return new DummyAddress(this, l);
72 }
73
74 public long getAddressValue(Address addr) {
75 if (addr == null) return 0;
76 return ((DummyAddress) addr).getValue();
77 }
78
79 public String getOS() {
80 return PlatformInfo.getOS();
81 }
82
83 public String getCPU() {
84 return PlatformInfo.getCPU();
85 }
86
87 public MachineDescription getMachineDescription() throws DebuggerException {
88 return machDesc;
89 }
90
91 public boolean hasConsole() {
92 return false;
93 }
94
95 public String consoleExecuteCommand(String cmd)
96 throws DebuggerException {
97 throw new DebuggerException("unimplemented");
98 }
99
100 public String getConsolePrompt() throws DebuggerException {
101 throw new DebuggerException("unimplemented");
102 }
103
104 public CDebugger getCDebugger() throws DebuggerException {
105 return null;
106 }
107
108 public Address lookup(String objectName, String symbol) {
109 return null;
110 }
111
112 public OopHandle lookupOop(String objectName, String symbol) {
113 return null;
114 }
115
116 public ThreadProxy getThreadForIdentifierAddress(Address addr) {
117 return null;
118 }
119
120 public ThreadProxy getThreadForThreadId(long id) {
121 return null;
122 }
123
124 public ReadResult readBytesFromProcess(long address, long numBytes)
125 throws DebuggerException {
126 throw new DebuggerException("Unimplemented");
127 }
128
129 public void writeBytesToProcess(long a, long b, byte[] buf)
130 throws DebuggerException {
131 throw new DebuggerException("Unimplemented");
132 }
133
134 //----------------------------------------------------------------------
135 // Package-internal routines
136 //
137
138 String addressToString(DummyAddress addr) {
139 StringBuffer buf = new StringBuffer();
140 buf.append("0x");
141 String val;
142 if (addr == null) {
143 val = "0";
144 } else {
145 val = Long.toHexString(addr.getValue());
146 }
147 for (int i = 0; i < ((2 * machDesc.getAddressSize()) - val.length()); i++) {
148 buf.append('0');
149 }
150 buf.append(val);
151 return buf.toString();
152 }
153
154 //----------------------------------------------------------------------
155 // Internals only below this point
156 //
157
158 private int charToNibble(char ascii) throws NumberFormatException {
159 if (ascii >= '0' && ascii <= '9') {
160 return ascii - '0';
161 } else if (ascii >= 'A' && ascii <= 'F') {
162 return 10 + ascii - 'A';
163 } else if (ascii >= 'a' && ascii <= 'f') {
164 return 10 + ascii - 'a';
165 }
166 throw new NumberFormatException(new Character(ascii).toString());
167 }
168 }