Mercurial > hg > graal-compiler

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

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
comparison
equal deleted inserted replaced
-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 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.tools;
26
27 import sun.jvm.hotspot.runtime.*;
28
29 public class JInfo extends Tool {
30 public JInfo(int m) {
31 mode = m;
32 }
33
34 protected boolean needsJavaPrefix() {
35 return false;
36 }
37
38 public String getName() {
39 return "jinfo";
40 }
41
42 protected void printFlagsUsage() {
43 System.out.println(" -flags\tto print VM flags");
44 System.out.println(" -sysprops\tto print Java System properties");
45 System.out.println(" <no option>\tto print both of the above");
46 super.printFlagsUsage();
47 }
48
49 public static final int MODE_FLAGS = 0;
50 public static final int MODE_SYSPROPS = 1;
51 public static final int MODE_BOTH = 2;
52
53 public void run() {
54 Tool tool = null;
55 switch (mode) {
56 case MODE_FLAGS:
57 printVMFlags();
58 return;
59 case MODE_SYSPROPS:
60 tool = new SysPropsDumper();
61 break;
62 case MODE_BOTH: {
63 tool = new Tool() {
64 public void run() {
65 Tool sysProps = new SysPropsDumper();
66 sysProps.setAgent(getAgent());
67 System.out.println("Java System Properties:");
68 System.out.println();
69 sysProps.run();
70 System.out.println();
71 System.out.println("VM Flags:");
72 printVMFlags();
73 System.out.println();
74 }
75 };
76 }
77 break;
78
79 default:
80 usage();
81 break;
82 }
83 tool.setAgent(getAgent());
84 tool.run();
85 }
86
87 public static void main(String[] args) {
88 int mode = -1;
89 switch (args.length) {
90 case 1:
91 if (args[0].charAt(0) == '-') {
92 // -h or -help or some invalid flag
93 new JInfo(mode).usage();
94 } else {
95 mode = MODE_BOTH;
96 }
97 break;
98 case 2:
99 case 3: {
100 String modeFlag = args[0];
101 if (modeFlag.equals("-flags")) {
102 mode = MODE_FLAGS;
103 } else if (modeFlag.equals("-sysprops")) {
104 mode = MODE_SYSPROPS;
105 } else if (modeFlag.charAt(0) == '-') {
106 // -h or -help or some invalid flag
107 new JInfo(mode).usage();
108 } else {
109 mode = MODE_BOTH;
110 }
111
112 if (mode != MODE_BOTH) {
113 // we have to consume first flag argument.
114 String[] newArgs = new String[args.length - 1];
115 for (int i = 0; i < newArgs.length; i++) {
116 newArgs[i] = args[i + 1];
117 }
118 args = newArgs;
119 }
120 break;
121 }
122
123 default:
124 new JInfo(mode).usage();
125 }
126
127 JInfo jinfo = new JInfo(mode);
128 jinfo.start(args);
129 jinfo.stop();
130 }
131
132 private void printVMFlags() {
133 String str = Arguments.getJVMFlags();
134 if (str != null) {
135 System.out.println(str);
136 }
137 str = Arguments.getJVMArgs();
138 if (str != null) {
139 System.out.println(str);
140 }
141 }
142
143 private int mode;
144 }