Mercurial > hg > truffle
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 |
|---|---|
| date | Mon, 24 Sep 2012 12:44:00 -0700 |
| parents | a9fed06c01d2 |
| children | 39432a1cefdd |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
6641
a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
bpittore
parents:
6073
diff
changeset
|
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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
844
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
844
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
844
diff
changeset
|
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(); | |
|
6641
a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
bpittore
parents:
6073
diff
changeset
|
88 } else { |
|
a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
bpittore
parents:
6073
diff
changeset
|
89 try { |
|
a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
bpittore
parents:
6073
diff
changeset
|
90 access = (JavaThreadPDAccess) |
|
a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
bpittore
parents:
6073
diff
changeset
|
91 Class.forName("sun.jvm.hotspot.runtime.linux_" + |
|
a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
bpittore
parents:
6073
diff
changeset
|
92 cpu.toLowerCase() + ".Linux" + cpu.toUpperCase() + |
|
a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
bpittore
parents:
6073
diff
changeset
|
93 "JavaThreadPDAccess").newInstance(); |
|
a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
bpittore
parents:
6073
diff
changeset
|
94 } catch (Exception e) { |
|
a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
bpittore
parents:
6073
diff
changeset
|
95 throw new RuntimeException("OS/CPU combination " + os + "/" + cpu + |
|
a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
bpittore
parents:
6073
diff
changeset
|
96 " not yet supported"); |
|
a9fed06c01d2
7154641: Servicability agent should work on platforms other than x86, sparc
bpittore
parents:
6073
diff
changeset
|
97 } |
| 0 | 98 } |
| 3960 | 99 } else if (os.equals("bsd")) { |
| 100 if (cpu.equals("x86")) { | |
| 101 access = new BsdX86JavaThreadPDAccess(); | |
|
6073
78d2ae5ab35b
7163117: Agent can't connect to process on Mac OSX
nloodin
parents:
3960
diff
changeset
|
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); | |
|
2195
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
1552
diff
changeset
|
121 virtualConstructor.addMapping("ServiceThread", ServiceThread.class); |
| 0 | 122 } |
| 123 | |
| 124 public Threads() { | |
| 125 } | |
| 126 | |
| 127 /** NOTE: this returns objects of type JavaThread, CompilerThread, | |
|
2195
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
1552
diff
changeset
|
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 + | |
|
2195
bf8517f4e4d0
6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
kamg
parents:
1552
diff
changeset
|
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()) { | |
|
702
b9fba36710f2
6699669: Hotspot server leaves synchronized block with monitor in bad state
xlu
parents:
0
diff
changeset
|
179 if (thread.isLockOwned(o)) |
|
b9fba36710f2
6699669: Hotspot server leaves synchronized block with monitor in bad state
xlu
parents:
0
diff
changeset
|
180 return thread; |
| 0 | 181 } |
|
702
b9fba36710f2
6699669: Hotspot server leaves synchronized block with monitor in bad state
xlu
parents:
0
diff
changeset
|
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 } |