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annotate agent/src/share/classes/sun/jvm/hotspot/jdi/SAPIDAttachingConnector.java @ 2245:638119ce7cfd
7009309: JSR 292: compiler/6991596/Test6991596.java crashes on fastdebug JDK7/b122
Reviewed-by: kvn, never
author | twisti |
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date | Tue, 01 Feb 2011 03:38:44 -0800 |
parents | c18cbe5936b8 |
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rev | line source |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2002, 2004, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.jdi; | |
26 | |
27 import com.sun.jdi.connect.*; | |
28 import com.sun.jdi.Bootstrap; | |
29 import com.sun.jdi.VirtualMachine; | |
30 import com.sun.jdi.VirtualMachineManager; | |
31 | |
32 import java.io.*; | |
33 import java.lang.reflect.*; | |
34 import java.net.*; | |
35 import java.util.*; | |
36 | |
37 public class SAPIDAttachingConnector extends ConnectorImpl implements AttachingConnector { | |
38 static final String ARG_PID = "pid"; | |
39 private Transport transport; | |
40 | |
41 public SAPIDAttachingConnector(com.sun.tools.jdi.VirtualMachineManagerService ignored) { | |
42 this(); | |
43 } | |
44 | |
45 public SAPIDAttachingConnector() { | |
46 super(); | |
47 // fixme jjh: create resources for the these strings, | |
48 addStringArgument( | |
49 ARG_PID, | |
50 "PID", //getString("sa.pid.label"), | |
51 "PID of a Java process", //getString("sa.pid.description"); | |
52 "", | |
53 true); | |
54 transport = new Transport() { | |
55 public String name() { | |
56 return "local process"; | |
57 } | |
58 }; | |
59 } | |
60 | |
61 // security check to see whether the caller can perform attach | |
62 private void checkProcessAttach(int pid) { | |
63 SecurityManager sm = System.getSecurityManager(); | |
64 if (sm != null) { | |
65 String os = System.getProperty("os.name"); | |
66 try { | |
67 // Whether the caller can perform link against SA native library? | |
68 checkNativeLink(sm, os); | |
69 if (os.equals("SunOS") || os.equals("Linux")) { | |
70 // Whether the caller can read /proc/<pid> file? | |
71 sm.checkRead("/proc/" + pid); | |
72 } | |
73 } catch (SecurityException se) { | |
74 throw new SecurityException("permission denied to attach to " + pid); | |
75 } | |
76 } | |
77 } | |
78 | |
79 private VirtualMachine createVirtualMachine(Class virtualMachineImplClass, int pid) | |
80 throws NoSuchMethodException, InvocationTargetException, IllegalAccessException { | |
81 java.lang.reflect.Method createByPIDMethod | |
82 = virtualMachineImplClass.getMethod("createVirtualMachineForPID", | |
83 new Class[] { | |
84 VirtualMachineManager.class, | |
85 Integer.TYPE, Integer.TYPE | |
86 }); | |
87 return (VirtualMachine) createByPIDMethod.invoke(null, | |
88 new Object[] { | |
89 Bootstrap.virtualMachineManager(), | |
90 new Integer(pid), | |
91 new Integer(0) | |
92 }); | |
93 } | |
94 | |
95 public VirtualMachine attach(Map arguments) throws IOException, | |
96 IllegalConnectorArgumentsException { | |
97 int pid = 0; | |
98 try { | |
99 pid = Integer.parseInt(argument(ARG_PID, arguments).value()); | |
100 } catch (NumberFormatException nfe) { | |
101 throw (IllegalConnectorArgumentsException) new IllegalConnectorArgumentsException | |
102 (nfe.getMessage(), ARG_PID).initCause(nfe); | |
103 } | |
104 | |
105 checkProcessAttach(pid); | |
106 | |
107 VirtualMachine myVM = null; | |
108 try { | |
109 try { | |
110 Class vmImplClass = loadVirtualMachineImplClass(); | |
111 myVM = createVirtualMachine(vmImplClass, pid); | |
112 } catch (InvocationTargetException ite) { | |
113 Class vmImplClass = handleVMVersionMismatch(ite); | |
114 if (vmImplClass != null) { | |
115 return createVirtualMachine(vmImplClass, pid); | |
116 } else { | |
117 throw ite; | |
118 } | |
119 } | |
120 } catch (Exception ee) { | |
121 if (DEBUG) { | |
122 System.out.println("VirtualMachineImpl() got an exception:"); | |
123 ee.printStackTrace(); | |
124 System.out.println("pid = " + pid); | |
125 } | |
126 throw (IOException) new IOException().initCause(ee); | |
127 } | |
128 setVMDisposeObserver(myVM); | |
129 return myVM; | |
130 } | |
131 | |
132 public String name() { | |
133 return "sun.jvm.hotspot.jdi.SAPIDAttachingConnector"; | |
134 } | |
135 | |
136 public String description() { | |
137 return getString("This connector allows you to attach to a Java process using the Serviceability Agent"); | |
138 } | |
139 | |
140 public Transport transport() { | |
141 return transport; | |
142 } | |
143 } |