Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/remote/RemoteDebuggerClient.java @ 6842:b9a9ed0f8eeb
7197424: update copyright year to match last edit in jdk8 hotspot repository
Summary: Update copyright year to 2012 for relevant files
Reviewed-by: dholmes, coleenp
author | mikael |
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date | Tue, 09 Oct 2012 10:09:34 -0700 |
parents | a9fed06c01d2 |
children | 8e47bac5643a |
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0 | 1 /* |
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2 * Copyright (c) 2002, 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.debugger.remote; | |
26 | |
27 import java.rmi.*; | |
28 import java.util.*; | |
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29 import java.lang.reflect.*; |
0 | 30 |
31 import sun.jvm.hotspot.debugger.*; | |
32 import sun.jvm.hotspot.debugger.cdbg.*; | |
33 import sun.jvm.hotspot.debugger.remote.sparc.*; | |
34 import sun.jvm.hotspot.debugger.remote.x86.*; | |
35 import sun.jvm.hotspot.debugger.remote.amd64.*; | |
36 | |
37 /** An implementation of Debugger which wraps a | |
38 RemoteDebugger, providing remote debugging via RMI. | |
39 This implementation provides caching of the remote process's | |
40 address space on the local machine where the user interface is | |
41 running. */ | |
42 | |
43 public class RemoteDebuggerClient extends DebuggerBase implements JVMDebugger { | |
44 private RemoteDebugger remoteDebugger; | |
45 private RemoteThreadFactory threadFactory; | |
46 private boolean unalignedAccessesOkay = false; | |
47 private static final int cacheSize = 16 * 1024 * 1024; // 16 MB | |
48 | |
49 public RemoteDebuggerClient(RemoteDebugger remoteDebugger) throws DebuggerException { | |
50 super(); | |
51 try { | |
52 this.remoteDebugger = remoteDebugger; | |
53 machDesc = remoteDebugger.getMachineDescription(); | |
54 utils = new DebuggerUtilities(machDesc.getAddressSize(), machDesc.isBigEndian()); | |
55 int cacheNumPages; | |
56 int cachePageSize; | |
57 String cpu = remoteDebugger.getCPU(); | |
58 // page size. (FIXME: should pick this up from the remoteDebugger.) | |
59 if (cpu.equals("sparc")) { | |
60 threadFactory = new RemoteSPARCThreadFactory(this); | |
61 cachePageSize = 8192; | |
62 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize); | |
63 } else if (cpu.equals("x86")) { | |
64 threadFactory = new RemoteX86ThreadFactory(this); | |
65 cachePageSize = 4096; | |
66 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize); | |
67 unalignedAccessesOkay = true; | |
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68 } else if (cpu.equals("amd64") || cpu.equals("x86_64")) { |
0 | 69 threadFactory = new RemoteAMD64ThreadFactory(this); |
70 cachePageSize = 4096; | |
71 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize); | |
72 unalignedAccessesOkay = true; | |
73 } else { | |
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74 try { |
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75 Class tf = Class.forName("sun.jvm.hotspot.debugger.remote." + |
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76 cpu.toLowerCase() + ".Remote" + cpu.toUpperCase() + |
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77 "ThreadFactory"); |
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78 Constructor[] ctf = tf.getConstructors(); |
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79 threadFactory = (RemoteThreadFactory)ctf[0].newInstance(this); |
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80 } catch (Exception e) { |
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81 throw new DebuggerException("Thread access for CPU architecture " + cpu + " not yet supported"); |
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82 } |
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83 cachePageSize = 4096; |
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84 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize); |
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85 unalignedAccessesOkay = false; |
0 | 86 } |
87 | |
88 // Cache portion of the remote process's address space. | |
89 initCache(cachePageSize, cacheNumPages); | |
90 | |
91 jbooleanSize = remoteDebugger.getJBooleanSize(); | |
92 jbyteSize = remoteDebugger.getJByteSize(); | |
93 jcharSize = remoteDebugger.getJCharSize(); | |
94 jdoubleSize = remoteDebugger.getJDoubleSize(); | |
95 jfloatSize = remoteDebugger.getJFloatSize(); | |
96 jintSize = remoteDebugger.getJIntSize(); | |
97 jlongSize = remoteDebugger.getJLongSize(); | |
98 jshortSize = remoteDebugger.getJShortSize(); | |
99 javaPrimitiveTypesConfigured = true; | |
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100 narrowOopBase = remoteDebugger.getNarrowOopBase(); |
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101 narrowOopShift = remoteDebugger.getNarrowOopShift(); |
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102 heapOopSize = remoteDebugger.getHeapOopSize(); |
0 | 103 } |
104 catch (RemoteException e) { | |
105 throw new DebuggerException(e); | |
106 } | |
107 } | |
108 | |
109 public long[] getThreadIntegerRegisterSet(Address addr) { | |
110 try { | |
111 return remoteDebugger.getThreadIntegerRegisterSet(getAddressValue(addr), true); | |
112 } | |
113 catch (RemoteException e) { | |
114 throw new DebuggerException(e); | |
115 } | |
116 } | |
117 | |
118 public long[] getThreadIntegerRegisterSet(long id) { | |
119 try { | |
120 return remoteDebugger.getThreadIntegerRegisterSet(id, false); | |
121 } | |
122 catch (RemoteException e) { | |
123 throw new DebuggerException(e); | |
124 } | |
125 } | |
126 | |
127 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
128 public boolean hasProcessList() throws DebuggerException { | |
129 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
130 } | |
131 | |
132 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
133 public List getProcessList() throws DebuggerException { | |
134 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
135 } | |
136 | |
137 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
138 public void attach(int processID) throws DebuggerException { | |
139 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
140 } | |
141 | |
142 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
143 public void attach(String executableName, String coreFileName) throws DebuggerException { | |
144 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
145 } | |
146 | |
147 /** Unimplemented in this class (remote remoteDebugger can not be detached) */ | |
148 public boolean detach() { | |
149 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
150 } | |
151 | |
152 public Address parseAddress(String addressString) throws NumberFormatException { | |
153 long addr = utils.scanAddress(addressString); | |
154 if (addr == 0) { | |
155 return null; | |
156 } | |
157 return new RemoteAddress(this, addr); | |
158 } | |
159 | |
160 public String getOS() throws DebuggerException { | |
161 try { | |
162 return remoteDebugger.getOS(); | |
163 } | |
164 catch (RemoteException e) { | |
165 throw new DebuggerException(e); | |
166 } | |
167 } | |
168 | |
169 public String getCPU() { | |
170 try { | |
171 return remoteDebugger.getCPU(); | |
172 } | |
173 catch (RemoteException e) { | |
174 throw new DebuggerException(e); | |
175 } | |
176 } | |
177 | |
178 public boolean hasConsole() throws DebuggerException { | |
179 try { | |
180 return remoteDebugger.hasConsole(); | |
181 } catch (RemoteException e) { | |
182 throw new DebuggerException(e); | |
183 } | |
184 } | |
185 | |
186 public String consoleExecuteCommand(String cmd) throws DebuggerException { | |
187 try { | |
188 return remoteDebugger.consoleExecuteCommand(cmd); | |
189 } | |
190 catch (RemoteException e) { | |
191 throw new DebuggerException(e); | |
192 } | |
193 } | |
194 | |
195 public String getConsolePrompt() throws DebuggerException { | |
196 try { | |
197 return remoteDebugger.getConsolePrompt(); | |
198 } catch (RemoteException e) { | |
199 throw new DebuggerException(e); | |
200 } | |
201 } | |
202 | |
203 public CDebugger getCDebugger() throws DebuggerException { | |
204 return null; | |
205 } | |
206 | |
207 //-------------------------------------------------------------------------------- | |
208 // Implementation of SymbolLookup interface | |
209 | |
210 public Address lookup(String objectName, String symbol) { | |
211 try { | |
212 long addr = remoteDebugger.lookupInProcess(objectName, symbol); | |
213 if (addr == 0) { | |
214 return null; | |
215 } | |
216 return new RemoteAddress(this, addr); | |
217 } | |
218 catch (RemoteException e) { | |
219 throw new DebuggerException(e); | |
220 } | |
221 } | |
222 | |
223 public OopHandle lookupOop(String objectName, String symbol) { | |
224 try { | |
225 long addr = remoteDebugger.lookupInProcess(objectName, symbol); | |
226 if (addr == 0) { | |
227 return null; | |
228 } | |
229 return new RemoteOopHandle(this, addr); | |
230 } | |
231 catch (RemoteException e) { | |
232 throw new DebuggerException(e); | |
233 } | |
234 } | |
235 | |
236 /** Need to override this to relax alignment checks on x86. */ | |
237 public long readCInteger(long address, long numBytes, boolean isUnsigned) | |
238 throws UnmappedAddressException, UnalignedAddressException { | |
239 if (!unalignedAccessesOkay) { | |
240 utils.checkAlignment(address, numBytes); | |
241 } else { | |
242 // Only slightly relaxed semantics -- this is a hack, but is | |
243 // necessary on x86 where it seems the compiler is | |
244 // putting some global 64-bit data on 32-bit boundaries | |
245 if (numBytes == 8) { | |
246 utils.checkAlignment(address, 4); | |
247 } else { | |
248 utils.checkAlignment(address, numBytes); | |
249 } | |
250 } | |
251 byte[] data = readBytes(address, numBytes); | |
252 return utils.dataToCInteger(data, isUnsigned); | |
253 } | |
254 | |
255 // Overridden from DebuggerBase because we need to relax alignment | |
256 // constraints on x86 | |
257 public long readJLong(long address) | |
258 throws UnmappedAddressException, UnalignedAddressException { | |
259 // FIXME: allow this to be configurable. Undesirable to add a | |
260 // dependency on the runtime package here, though, since this | |
261 // package should be strictly underneath it. | |
262 if (unalignedAccessesOkay) { | |
263 utils.checkAlignment(address, jintSize); | |
264 } else { | |
265 utils.checkAlignment(address, jlongSize); | |
266 } | |
267 byte[] data = readBytes(address, jlongSize); | |
268 return utils.dataToJLong(data, jlongSize); | |
269 } | |
270 | |
271 | |
272 //-------------------------------------------------------------------------------- | |
273 // Implementation of JVMDebugger interface | |
274 // | |
275 | |
276 /** Unimplemented in this class (remote remoteDebugger should already be configured) */ | |
277 public void configureJavaPrimitiveTypeSizes(long jbooleanSize, | |
278 long jbyteSize, | |
279 long jcharSize, | |
280 long jdoubleSize, | |
281 long jfloatSize, | |
282 long jintSize, | |
283 long jlongSize, | |
284 long jshortSize) { | |
285 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
286 } | |
287 | |
288 public void setMachineDescription(MachineDescription machDesc) { | |
289 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
290 } | |
291 | |
292 public int getRemoteProcessAddressSize() { | |
293 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
294 } | |
295 | |
296 public String addressValueToString(long addr) { | |
297 return utils.addressValueToString(addr); | |
298 } | |
299 | |
300 public long getAddressValue(Address addr) throws DebuggerException { | |
301 if (addr == null) return 0; | |
302 return ((RemoteAddress) addr).getValue(); | |
303 } | |
304 | |
305 public Address newAddress(long value) { | |
306 if (value == 0) return null; | |
307 return new RemoteAddress(this, value); | |
308 } | |
309 | |
310 RemoteAddress readAddress(long address) | |
311 throws UnmappedAddressException, UnalignedAddressException { | |
312 long value = readAddressValue(address); | |
313 return (value == 0 ? null : new RemoteAddress(this, value)); | |
314 } | |
315 | |
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316 RemoteAddress readCompOopAddress(long address) |
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317 throws UnmappedAddressException, UnalignedAddressException { |
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318 long value = readCompOopAddressValue(address); |
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319 return (value == 0 ? null : new RemoteAddress(this, value)); |
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320 } |
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321 |
0 | 322 RemoteOopHandle readOopHandle(long address) |
323 throws UnmappedAddressException, UnalignedAddressException, NotInHeapException { | |
324 long value = readAddressValue(address); | |
325 return (value == 0 ? null : new RemoteOopHandle(this, value)); | |
326 } | |
327 | |
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328 RemoteOopHandle readCompOopHandle(long address) |
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329 throws UnmappedAddressException, UnalignedAddressException, NotInHeapException { |
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330 long value = readCompOopAddressValue(address); |
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331 return (value == 0 ? null : new RemoteOopHandle(this, value)); |
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332 } |
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333 |
0 | 334 boolean areThreadsEqual(Address addr1, Address addr2) { |
335 try { | |
336 return remoteDebugger.areThreadsEqual(getAddressValue(addr1), true, | |
337 getAddressValue(addr2), true); | |
338 } catch (RemoteException e) { | |
339 } | |
340 return false; | |
341 } | |
342 | |
343 boolean areThreadsEqual(long id1, long id2) { | |
344 try { | |
345 return remoteDebugger.areThreadsEqual(id1, false, id2, false); | |
346 } catch (RemoteException e) { | |
347 } | |
348 return false; | |
349 } | |
350 | |
351 boolean areThreadsEqual(Address addr1, long id2) { | |
352 try { | |
353 return remoteDebugger.areThreadsEqual(getAddressValue(addr1), true, id2, false); | |
354 } catch (RemoteException e) { | |
355 } | |
356 return false; | |
357 } | |
358 | |
359 boolean areThreadsEqual(long id1, Address addr2) { | |
360 try { | |
361 return remoteDebugger.areThreadsEqual(id1, false, getAddressValue(addr2), true); | |
362 } catch (RemoteException e) { | |
363 } | |
364 return false; | |
365 } | |
366 | |
367 int getThreadHashCode(Address a) { | |
368 try { | |
369 return remoteDebugger.getThreadHashCode(getAddressValue(a), true); | |
370 } catch (RemoteException e) { | |
371 } | |
372 return a.hashCode(); | |
373 } | |
374 | |
375 int getThreadHashCode(long id) { | |
376 try { | |
377 return remoteDebugger.getThreadHashCode(id, false); | |
378 } catch (RemoteException e) { | |
379 } | |
380 return (int) id; | |
381 } | |
382 | |
383 public ThreadProxy getThreadForIdentifierAddress(Address addr) { | |
384 return threadFactory.createThreadWrapper(addr); | |
385 } | |
386 | |
387 public ThreadProxy getThreadForThreadId(long id) { | |
388 return threadFactory.createThreadWrapper(id); | |
389 } | |
390 | |
391 public MachineDescription getMachineDescription() throws DebuggerException { | |
392 return machDesc; | |
393 } | |
394 | |
395 /** This reads bytes from the remote process. */ | |
396 public ReadResult readBytesFromProcess(long address, long numBytes) { | |
397 try { | |
398 return remoteDebugger.readBytesFromProcess(address, numBytes); | |
399 } | |
400 catch (RemoteException e) { | |
401 throw new DebuggerException(e); | |
402 } | |
403 } | |
404 | |
405 public void writeBytesToProcess(long a, long b, byte[] c) { | |
406 throw new DebuggerException("Unimplemented!"); | |
407 } | |
408 } |