Mercurial > hg > graal-jvmci-8
comparison agent/src/share/classes/sun/jvm/hotspot/debugger/remote/RemoteDebuggerClient.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
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children | ba764ed4b6f2 |
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1 /* | |
2 * Copyright 2002-2004 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.debugger.remote; | |
26 | |
27 import java.rmi.*; | |
28 import java.util.*; | |
29 | |
30 import sun.jvm.hotspot.debugger.*; | |
31 import sun.jvm.hotspot.debugger.cdbg.*; | |
32 import sun.jvm.hotspot.debugger.remote.sparc.*; | |
33 import sun.jvm.hotspot.debugger.remote.x86.*; | |
34 import sun.jvm.hotspot.debugger.remote.amd64.*; | |
35 | |
36 /** An implementation of Debugger which wraps a | |
37 RemoteDebugger, providing remote debugging via RMI. | |
38 This implementation provides caching of the remote process's | |
39 address space on the local machine where the user interface is | |
40 running. */ | |
41 | |
42 public class RemoteDebuggerClient extends DebuggerBase implements JVMDebugger { | |
43 private RemoteDebugger remoteDebugger; | |
44 private RemoteThreadFactory threadFactory; | |
45 private boolean unalignedAccessesOkay = false; | |
46 private static final int cacheSize = 16 * 1024 * 1024; // 16 MB | |
47 | |
48 public RemoteDebuggerClient(RemoteDebugger remoteDebugger) throws DebuggerException { | |
49 super(); | |
50 try { | |
51 this.remoteDebugger = remoteDebugger; | |
52 machDesc = remoteDebugger.getMachineDescription(); | |
53 utils = new DebuggerUtilities(machDesc.getAddressSize(), machDesc.isBigEndian()); | |
54 int cacheNumPages; | |
55 int cachePageSize; | |
56 String cpu = remoteDebugger.getCPU(); | |
57 // page size. (FIXME: should pick this up from the remoteDebugger.) | |
58 if (cpu.equals("sparc")) { | |
59 threadFactory = new RemoteSPARCThreadFactory(this); | |
60 cachePageSize = 8192; | |
61 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize); | |
62 } else if (cpu.equals("x86")) { | |
63 threadFactory = new RemoteX86ThreadFactory(this); | |
64 cachePageSize = 4096; | |
65 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize); | |
66 unalignedAccessesOkay = true; | |
67 } else if (cpu.equals("amd64")) { | |
68 threadFactory = new RemoteAMD64ThreadFactory(this); | |
69 cachePageSize = 4096; | |
70 cacheNumPages = parseCacheNumPagesProperty(cacheSize / cachePageSize); | |
71 unalignedAccessesOkay = true; | |
72 } else { | |
73 throw new DebuggerException("Thread access for CPU architecture " + cpu + " not yet supported"); | |
74 } | |
75 | |
76 // Cache portion of the remote process's address space. | |
77 initCache(cachePageSize, cacheNumPages); | |
78 | |
79 jbooleanSize = remoteDebugger.getJBooleanSize(); | |
80 jbyteSize = remoteDebugger.getJByteSize(); | |
81 jcharSize = remoteDebugger.getJCharSize(); | |
82 jdoubleSize = remoteDebugger.getJDoubleSize(); | |
83 jfloatSize = remoteDebugger.getJFloatSize(); | |
84 jintSize = remoteDebugger.getJIntSize(); | |
85 jlongSize = remoteDebugger.getJLongSize(); | |
86 jshortSize = remoteDebugger.getJShortSize(); | |
87 javaPrimitiveTypesConfigured = true; | |
88 } | |
89 catch (RemoteException e) { | |
90 throw new DebuggerException(e); | |
91 } | |
92 } | |
93 | |
94 public long[] getThreadIntegerRegisterSet(Address addr) { | |
95 try { | |
96 return remoteDebugger.getThreadIntegerRegisterSet(getAddressValue(addr), true); | |
97 } | |
98 catch (RemoteException e) { | |
99 throw new DebuggerException(e); | |
100 } | |
101 } | |
102 | |
103 public long[] getThreadIntegerRegisterSet(long id) { | |
104 try { | |
105 return remoteDebugger.getThreadIntegerRegisterSet(id, false); | |
106 } | |
107 catch (RemoteException e) { | |
108 throw new DebuggerException(e); | |
109 } | |
110 } | |
111 | |
112 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
113 public boolean hasProcessList() throws DebuggerException { | |
114 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
115 } | |
116 | |
117 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
118 public List getProcessList() throws DebuggerException { | |
119 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
120 } | |
121 | |
122 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
123 public void attach(int processID) throws DebuggerException { | |
124 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
125 } | |
126 | |
127 /** Unimplemented in this class (remote remoteDebugger should already be attached) */ | |
128 public void attach(String executableName, String coreFileName) throws DebuggerException { | |
129 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
130 } | |
131 | |
132 /** Unimplemented in this class (remote remoteDebugger can not be detached) */ | |
133 public boolean detach() { | |
134 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
135 } | |
136 | |
137 public Address parseAddress(String addressString) throws NumberFormatException { | |
138 long addr = utils.scanAddress(addressString); | |
139 if (addr == 0) { | |
140 return null; | |
141 } | |
142 return new RemoteAddress(this, addr); | |
143 } | |
144 | |
145 public String getOS() throws DebuggerException { | |
146 try { | |
147 return remoteDebugger.getOS(); | |
148 } | |
149 catch (RemoteException e) { | |
150 throw new DebuggerException(e); | |
151 } | |
152 } | |
153 | |
154 public String getCPU() { | |
155 try { | |
156 return remoteDebugger.getCPU(); | |
157 } | |
158 catch (RemoteException e) { | |
159 throw new DebuggerException(e); | |
160 } | |
161 } | |
162 | |
163 public boolean hasConsole() throws DebuggerException { | |
164 try { | |
165 return remoteDebugger.hasConsole(); | |
166 } catch (RemoteException e) { | |
167 throw new DebuggerException(e); | |
168 } | |
169 } | |
170 | |
171 public String consoleExecuteCommand(String cmd) throws DebuggerException { | |
172 try { | |
173 return remoteDebugger.consoleExecuteCommand(cmd); | |
174 } | |
175 catch (RemoteException e) { | |
176 throw new DebuggerException(e); | |
177 } | |
178 } | |
179 | |
180 public String getConsolePrompt() throws DebuggerException { | |
181 try { | |
182 return remoteDebugger.getConsolePrompt(); | |
183 } catch (RemoteException e) { | |
184 throw new DebuggerException(e); | |
185 } | |
186 } | |
187 | |
188 public CDebugger getCDebugger() throws DebuggerException { | |
189 return null; | |
190 } | |
191 | |
192 //-------------------------------------------------------------------------------- | |
193 // Implementation of SymbolLookup interface | |
194 | |
195 public Address lookup(String objectName, String symbol) { | |
196 try { | |
197 long addr = remoteDebugger.lookupInProcess(objectName, symbol); | |
198 if (addr == 0) { | |
199 return null; | |
200 } | |
201 return new RemoteAddress(this, addr); | |
202 } | |
203 catch (RemoteException e) { | |
204 throw new DebuggerException(e); | |
205 } | |
206 } | |
207 | |
208 public OopHandle lookupOop(String objectName, String symbol) { | |
209 try { | |
210 long addr = remoteDebugger.lookupInProcess(objectName, symbol); | |
211 if (addr == 0) { | |
212 return null; | |
213 } | |
214 return new RemoteOopHandle(this, addr); | |
215 } | |
216 catch (RemoteException e) { | |
217 throw new DebuggerException(e); | |
218 } | |
219 } | |
220 | |
221 /** Need to override this to relax alignment checks on x86. */ | |
222 public long readCInteger(long address, long numBytes, boolean isUnsigned) | |
223 throws UnmappedAddressException, UnalignedAddressException { | |
224 if (!unalignedAccessesOkay) { | |
225 utils.checkAlignment(address, numBytes); | |
226 } else { | |
227 // Only slightly relaxed semantics -- this is a hack, but is | |
228 // necessary on x86 where it seems the compiler is | |
229 // putting some global 64-bit data on 32-bit boundaries | |
230 if (numBytes == 8) { | |
231 utils.checkAlignment(address, 4); | |
232 } else { | |
233 utils.checkAlignment(address, numBytes); | |
234 } | |
235 } | |
236 byte[] data = readBytes(address, numBytes); | |
237 return utils.dataToCInteger(data, isUnsigned); | |
238 } | |
239 | |
240 // Overridden from DebuggerBase because we need to relax alignment | |
241 // constraints on x86 | |
242 public long readJLong(long address) | |
243 throws UnmappedAddressException, UnalignedAddressException { | |
244 // FIXME: allow this to be configurable. Undesirable to add a | |
245 // dependency on the runtime package here, though, since this | |
246 // package should be strictly underneath it. | |
247 if (unalignedAccessesOkay) { | |
248 utils.checkAlignment(address, jintSize); | |
249 } else { | |
250 utils.checkAlignment(address, jlongSize); | |
251 } | |
252 byte[] data = readBytes(address, jlongSize); | |
253 return utils.dataToJLong(data, jlongSize); | |
254 } | |
255 | |
256 | |
257 //-------------------------------------------------------------------------------- | |
258 // Implementation of JVMDebugger interface | |
259 // | |
260 | |
261 /** Unimplemented in this class (remote remoteDebugger should already be configured) */ | |
262 public void configureJavaPrimitiveTypeSizes(long jbooleanSize, | |
263 long jbyteSize, | |
264 long jcharSize, | |
265 long jdoubleSize, | |
266 long jfloatSize, | |
267 long jintSize, | |
268 long jlongSize, | |
269 long jshortSize) { | |
270 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
271 } | |
272 | |
273 public void setMachineDescription(MachineDescription machDesc) { | |
274 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
275 } | |
276 | |
277 public int getRemoteProcessAddressSize() { | |
278 throw new DebuggerException("Should not be called on RemoteDebuggerClient"); | |
279 } | |
280 | |
281 public String addressValueToString(long addr) { | |
282 return utils.addressValueToString(addr); | |
283 } | |
284 | |
285 public long getAddressValue(Address addr) throws DebuggerException { | |
286 if (addr == null) return 0; | |
287 return ((RemoteAddress) addr).getValue(); | |
288 } | |
289 | |
290 public Address newAddress(long value) { | |
291 if (value == 0) return null; | |
292 return new RemoteAddress(this, value); | |
293 } | |
294 | |
295 RemoteAddress readAddress(long address) | |
296 throws UnmappedAddressException, UnalignedAddressException { | |
297 long value = readAddressValue(address); | |
298 return (value == 0 ? null : new RemoteAddress(this, value)); | |
299 } | |
300 | |
301 RemoteOopHandle readOopHandle(long address) | |
302 throws UnmappedAddressException, UnalignedAddressException, NotInHeapException { | |
303 long value = readAddressValue(address); | |
304 return (value == 0 ? null : new RemoteOopHandle(this, value)); | |
305 } | |
306 | |
307 boolean areThreadsEqual(Address addr1, Address addr2) { | |
308 try { | |
309 return remoteDebugger.areThreadsEqual(getAddressValue(addr1), true, | |
310 getAddressValue(addr2), true); | |
311 } catch (RemoteException e) { | |
312 } | |
313 return false; | |
314 } | |
315 | |
316 boolean areThreadsEqual(long id1, long id2) { | |
317 try { | |
318 return remoteDebugger.areThreadsEqual(id1, false, id2, false); | |
319 } catch (RemoteException e) { | |
320 } | |
321 return false; | |
322 } | |
323 | |
324 boolean areThreadsEqual(Address addr1, long id2) { | |
325 try { | |
326 return remoteDebugger.areThreadsEqual(getAddressValue(addr1), true, id2, false); | |
327 } catch (RemoteException e) { | |
328 } | |
329 return false; | |
330 } | |
331 | |
332 boolean areThreadsEqual(long id1, Address addr2) { | |
333 try { | |
334 return remoteDebugger.areThreadsEqual(id1, false, getAddressValue(addr2), true); | |
335 } catch (RemoteException e) { | |
336 } | |
337 return false; | |
338 } | |
339 | |
340 int getThreadHashCode(Address a) { | |
341 try { | |
342 return remoteDebugger.getThreadHashCode(getAddressValue(a), true); | |
343 } catch (RemoteException e) { | |
344 } | |
345 return a.hashCode(); | |
346 } | |
347 | |
348 int getThreadHashCode(long id) { | |
349 try { | |
350 return remoteDebugger.getThreadHashCode(id, false); | |
351 } catch (RemoteException e) { | |
352 } | |
353 return (int) id; | |
354 } | |
355 | |
356 public ThreadProxy getThreadForIdentifierAddress(Address addr) { | |
357 return threadFactory.createThreadWrapper(addr); | |
358 } | |
359 | |
360 public ThreadProxy getThreadForThreadId(long id) { | |
361 return threadFactory.createThreadWrapper(id); | |
362 } | |
363 | |
364 public MachineDescription getMachineDescription() throws DebuggerException { | |
365 return machDesc; | |
366 } | |
367 | |
368 /** This reads bytes from the remote process. */ | |
369 public ReadResult readBytesFromProcess(long address, long numBytes) { | |
370 try { | |
371 return remoteDebugger.readBytesFromProcess(address, numBytes); | |
372 } | |
373 catch (RemoteException e) { | |
374 throw new DebuggerException(e); | |
375 } | |
376 } | |
377 | |
378 public void writeBytesToProcess(long a, long b, byte[] c) { | |
379 throw new DebuggerException("Unimplemented!"); | |
380 } | |
381 } |