Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/runtime/Threads.java @ 6782:5a98bf7d847b
6879063: SA should use hsdis for disassembly
Summary: We should in SA to use hsdis for it like the JVM does to replace the current java based disassembler.
Reviewed-by: twisti, jrose, sla
Contributed-by: yumin.qi@oracle.com
author | minqi |
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date | Mon, 24 Sep 2012 12:44:00 -0700 |
parents | a9fed06c01d2 |
children | 39432a1cefdd |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2012, 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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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.runtime; | |
26 | |
27 import java.util.*; | |
28 import sun.jvm.hotspot.debugger.*; | |
29 import sun.jvm.hotspot.types.*; | |
30 import sun.jvm.hotspot.runtime.solaris_sparc.SolarisSPARCJavaThreadPDAccess; | |
31 import sun.jvm.hotspot.runtime.solaris_x86.SolarisX86JavaThreadPDAccess; | |
32 import sun.jvm.hotspot.runtime.solaris_amd64.SolarisAMD64JavaThreadPDAccess; | |
33 import sun.jvm.hotspot.runtime.win32_amd64.Win32AMD64JavaThreadPDAccess; | |
34 import sun.jvm.hotspot.runtime.win32_x86.Win32X86JavaThreadPDAccess; | |
35 import sun.jvm.hotspot.runtime.linux_x86.LinuxX86JavaThreadPDAccess; | |
36 import sun.jvm.hotspot.runtime.linux_amd64.LinuxAMD64JavaThreadPDAccess; | |
37 import sun.jvm.hotspot.runtime.linux_sparc.LinuxSPARCJavaThreadPDAccess; | |
3960 | 38 import sun.jvm.hotspot.runtime.bsd_x86.BsdX86JavaThreadPDAccess; |
39 import sun.jvm.hotspot.runtime.bsd_amd64.BsdAMD64JavaThreadPDAccess; | |
0 | 40 import sun.jvm.hotspot.utilities.*; |
41 | |
42 public class Threads { | |
43 private static JavaThreadFactory threadFactory; | |
44 private static AddressField threadListField; | |
45 private static VirtualConstructor virtualConstructor; | |
46 private static JavaThreadPDAccess access; | |
47 | |
48 static { | |
49 VM.registerVMInitializedObserver(new Observer() { | |
50 public void update(Observable o, Object data) { | |
51 initialize(VM.getVM().getTypeDataBase()); | |
52 } | |
53 }); | |
54 } | |
55 | |
56 private static synchronized void initialize(TypeDataBase db) { | |
57 Type type = db.lookupType("Threads"); | |
58 | |
59 threadListField = type.getAddressField("_thread_list"); | |
60 | |
61 // Instantiate appropriate platform-specific JavaThreadFactory | |
62 String os = VM.getVM().getOS(); | |
63 String cpu = VM.getVM().getCPU(); | |
64 | |
65 access = null; | |
66 // FIXME: find the platform specific PD class by reflection? | |
67 if (os.equals("solaris")) { | |
68 if (cpu.equals("sparc")) { | |
69 access = new SolarisSPARCJavaThreadPDAccess(); | |
70 } else if (cpu.equals("x86")) { | |
71 access = new SolarisX86JavaThreadPDAccess(); | |
72 } else if (cpu.equals("amd64")) { | |
73 access = new SolarisAMD64JavaThreadPDAccess(); | |
74 } | |
75 } else if (os.equals("win32")) { | |
76 if (cpu.equals("x86")) { | |
77 access = new Win32X86JavaThreadPDAccess(); | |
78 } else if (cpu.equals("amd64")) { | |
79 access = new Win32AMD64JavaThreadPDAccess(); | |
80 } | |
81 } else if (os.equals("linux")) { | |
82 if (cpu.equals("x86")) { | |
83 access = new LinuxX86JavaThreadPDAccess(); | |
84 } else if (cpu.equals("amd64")) { | |
85 access = new LinuxAMD64JavaThreadPDAccess(); | |
86 } else if (cpu.equals("sparc")) { | |
87 access = new LinuxSPARCJavaThreadPDAccess(); | |
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88 } else { |
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89 try { |
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90 access = (JavaThreadPDAccess) |
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91 Class.forName("sun.jvm.hotspot.runtime.linux_" + |
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92 cpu.toLowerCase() + ".Linux" + cpu.toUpperCase() + |
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93 "JavaThreadPDAccess").newInstance(); |
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94 } catch (Exception e) { |
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95 throw new RuntimeException("OS/CPU combination " + os + "/" + cpu + |
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96 " not yet supported"); |
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97 } |
0 | 98 } |
3960 | 99 } else if (os.equals("bsd")) { |
100 if (cpu.equals("x86")) { | |
101 access = new BsdX86JavaThreadPDAccess(); | |
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102 } else if (cpu.equals("amd64") || cpu.equals("x86_64")) { |
3960 | 103 access = new BsdAMD64JavaThreadPDAccess(); |
104 } | |
0 | 105 } |
106 | |
107 if (access == null) { | |
108 throw new RuntimeException("OS/CPU combination " + os + "/" + cpu + | |
109 " not yet supported"); | |
110 } | |
111 | |
112 virtualConstructor = new VirtualConstructor(db); | |
113 // Add mappings for all known thread types | |
114 virtualConstructor.addMapping("JavaThread", JavaThread.class); | |
115 if (!VM.getVM().isCore()) { | |
116 virtualConstructor.addMapping("CompilerThread", CompilerThread.class); | |
117 } | |
118 // for now, use JavaThread itself. fix it later with appropriate class if needed | |
119 virtualConstructor.addMapping("SurrogateLockerThread", JavaThread.class); | |
120 virtualConstructor.addMapping("JvmtiAgentThread", JvmtiAgentThread.class); | |
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121 virtualConstructor.addMapping("ServiceThread", ServiceThread.class); |
0 | 122 } |
123 | |
124 public Threads() { | |
125 } | |
126 | |
127 /** NOTE: this returns objects of type JavaThread, CompilerThread, | |
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128 JvmtiAgentThread, and ServiceThread. |
0 | 129 The latter four are subclasses of the former. Most operations |
130 (fetching the top frame, etc.) are only allowed to be performed on | |
131 a "pure" JavaThread. For this reason, {@link | |
132 sun.jvm.hotspot.runtime.JavaThread#isJavaThread} has been | |
133 changed from the definition in the VM (which returns true for | |
134 all of these thread types) to return true for JavaThreads and | |
135 false for the three subclasses. FIXME: should reconsider the | |
136 inheritance hierarchy; see {@link | |
137 sun.jvm.hotspot.runtime.JavaThread#isJavaThread}. */ | |
138 public JavaThread first() { | |
139 Address threadAddr = threadListField.getValue(); | |
140 if (threadAddr == null) { | |
141 return null; | |
142 } | |
143 | |
144 return createJavaThreadWrapper(threadAddr); | |
145 } | |
146 | |
147 /** Routine for instantiating appropriately-typed wrapper for a | |
148 JavaThread. Currently needs to be public for OopUtilities to | |
149 access it. */ | |
150 public JavaThread createJavaThreadWrapper(Address threadAddr) { | |
151 try { | |
152 JavaThread thread = (JavaThread)virtualConstructor.instantiateWrapperFor(threadAddr); | |
153 thread.setThreadPDAccess(access); | |
154 return thread; | |
155 } catch (Exception e) { | |
156 throw new RuntimeException("Unable to deduce type of thread from address " + threadAddr + | |
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157 " (expected type JavaThread, CompilerThread, ServiceThread, JvmtiAgentThread, or SurrogateLockerThread)", e); |
0 | 158 } |
159 } | |
160 | |
161 /** Memory operations */ | |
162 public void oopsDo(AddressVisitor oopVisitor) { | |
163 // FIXME: add more of VM functionality | |
164 for (JavaThread thread = first(); thread != null; thread = thread.next()) { | |
165 thread.oopsDo(oopVisitor); | |
166 } | |
167 } | |
168 | |
169 // refer to Threads::owning_thread_from_monitor_owner | |
170 public JavaThread owningThreadFromMonitor(Address o) { | |
171 if (o == null) return null; | |
172 for (JavaThread thread = first(); thread != null; thread = thread.next()) { | |
173 if (o.equals(thread.threadObjectAddress())) { | |
174 return thread; | |
175 } | |
176 } | |
177 | |
178 for (JavaThread thread = first(); thread != null; thread = thread.next()) { | |
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179 if (thread.isLockOwned(o)) |
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180 return thread; |
0 | 181 } |
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182 return null; |
0 | 183 } |
184 | |
185 public JavaThread owningThreadFromMonitor(ObjectMonitor monitor) { | |
186 return owningThreadFromMonitor(monitor.owner()); | |
187 } | |
188 | |
189 // refer to Threads::get_pending_threads | |
190 // Get list of Java threads that are waiting to enter the specified monitor. | |
191 public List getPendingThreads(ObjectMonitor monitor) { | |
192 List pendingThreads = new ArrayList(); | |
193 for (JavaThread thread = first(); thread != null; thread = thread.next()) { | |
194 if (thread.isCompilerThread()) { | |
195 continue; | |
196 } | |
197 ObjectMonitor pending = thread.getCurrentPendingMonitor(); | |
198 if (monitor.equals(pending)) { | |
199 pendingThreads.add(thread); | |
200 } | |
201 } | |
202 return pendingThreads; | |
203 } | |
204 | |
205 // Get list of Java threads that have called Object.wait on the specified monitor. | |
206 public List getWaitingThreads(ObjectMonitor monitor) { | |
207 List pendingThreads = new ArrayList(); | |
208 for (JavaThread thread = first(); thread != null; thread = thread.next()) { | |
209 ObjectMonitor waiting = thread.getCurrentWaitingMonitor(); | |
210 if (monitor.equals(waiting)) { | |
211 pendingThreads.add(thread); | |
212 } | |
213 } | |
214 return pendingThreads; | |
215 } | |
216 | |
217 // FIXME: add other accessors | |
218 } |