Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/vframe.cpp @ 844:bd02caa94611
6862919: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 07/09
Reviewed-by: tbell, ohair
| author | xdono |
|---|---|
| date | Tue, 28 Jul 2009 12:12:40 -0700 |
| parents | b109e761e927 |
| children | 4ce7240d622c |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 844 | 2 * Copyright 1997-2009 Sun Microsystems, Inc. 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 * | |
| 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 # include "incls/_precompiled.incl" | |
| 26 # include "incls/_vframe.cpp.incl" | |
| 27 | |
| 28 vframe::vframe(const frame* fr, const RegisterMap* reg_map, JavaThread* thread) | |
| 29 : _reg_map(reg_map), _thread(thread) { | |
| 30 assert(fr != NULL, "must have frame"); | |
| 31 _fr = *fr; | |
| 32 } | |
| 33 | |
| 34 vframe::vframe(const frame* fr, JavaThread* thread) | |
| 35 : _reg_map(thread), _thread(thread) { | |
| 36 assert(fr != NULL, "must have frame"); | |
| 37 _fr = *fr; | |
| 38 } | |
| 39 | |
| 40 vframe* vframe::new_vframe(const frame* f, const RegisterMap* reg_map, JavaThread* thread) { | |
| 41 // Interpreter frame | |
| 42 if (f->is_interpreted_frame()) { | |
| 43 return new interpretedVFrame(f, reg_map, thread); | |
| 44 } | |
| 45 | |
| 46 // Compiled frame | |
| 47 CodeBlob* cb = f->cb(); | |
| 48 if (cb != NULL) { | |
| 49 if (cb->is_nmethod()) { | |
| 50 nmethod* nm = (nmethod*)cb; | |
| 51 return new compiledVFrame(f, reg_map, thread, nm); | |
| 52 } | |
| 53 | |
| 54 if (f->is_runtime_frame()) { | |
| 55 // Skip this frame and try again. | |
| 56 RegisterMap temp_map = *reg_map; | |
| 57 frame s = f->sender(&temp_map); | |
| 58 return new_vframe(&s, &temp_map, thread); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 // External frame | |
| 63 return new externalVFrame(f, reg_map, thread); | |
| 64 } | |
| 65 | |
| 66 vframe* vframe::sender() const { | |
| 67 RegisterMap temp_map = *register_map(); | |
| 68 assert(is_top(), "just checking"); | |
| 69 if (_fr.is_entry_frame() && _fr.is_first_frame()) return NULL; | |
| 70 frame s = _fr.real_sender(&temp_map); | |
| 71 if (s.is_first_frame()) return NULL; | |
| 72 return vframe::new_vframe(&s, &temp_map, thread()); | |
| 73 } | |
| 74 | |
| 75 vframe* vframe::top() const { | |
| 76 vframe* vf = (vframe*) this; | |
| 77 while (!vf->is_top()) vf = vf->sender(); | |
| 78 return vf; | |
| 79 } | |
| 80 | |
| 81 | |
| 82 javaVFrame* vframe::java_sender() const { | |
| 83 vframe* f = sender(); | |
| 84 while (f != NULL) { | |
| 85 if (f->is_java_frame()) return javaVFrame::cast(f); | |
| 86 f = f->sender(); | |
| 87 } | |
| 88 return NULL; | |
| 89 } | |
| 90 | |
| 91 // ------------- javaVFrame -------------- | |
| 92 | |
| 93 GrowableArray<MonitorInfo*>* javaVFrame::locked_monitors() { | |
| 94 assert(SafepointSynchronize::is_at_safepoint() || JavaThread::current() == thread(), | |
| 95 "must be at safepoint or it's a java frame of the current thread"); | |
| 96 | |
| 97 GrowableArray<MonitorInfo*>* mons = monitors(); | |
| 98 GrowableArray<MonitorInfo*>* result = new GrowableArray<MonitorInfo*>(mons->length()); | |
| 99 if (mons->is_empty()) return result; | |
| 100 | |
| 101 bool found_first_monitor = false; | |
| 102 ObjectMonitor *pending_monitor = thread()->current_pending_monitor(); | |
| 103 ObjectMonitor *waiting_monitor = thread()->current_waiting_monitor(); | |
| 104 oop pending_obj = (pending_monitor != NULL ? (oop) pending_monitor->object() : NULL); | |
| 105 oop waiting_obj = (waiting_monitor != NULL ? (oop) waiting_monitor->object() : NULL); | |
| 106 | |
| 107 for (int index = (mons->length()-1); index >= 0; index--) { | |
| 108 MonitorInfo* monitor = mons->at(index); | |
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109 if (monitor->eliminated() && is_compiled_frame()) continue; // skip eliminated monitor |
| 0 | 110 oop obj = monitor->owner(); |
| 111 if (obj == NULL) continue; // skip unowned monitor | |
| 112 // | |
| 113 // Skip the monitor that the thread is blocked to enter or waiting on | |
| 114 // | |
| 115 if (!found_first_monitor && (obj == pending_obj || obj == waiting_obj)) { | |
| 116 continue; | |
| 117 } | |
| 118 found_first_monitor = true; | |
| 119 result->append(monitor); | |
| 120 } | |
| 121 return result; | |
| 122 } | |
| 123 | |
| 124 static void print_locked_object_class_name(outputStream* st, Handle obj, const char* lock_state) { | |
| 125 if (obj.not_null()) { | |
| 126 st->print("\t- %s <" INTPTR_FORMAT "> ", lock_state, (address)obj()); | |
| 127 if (obj->klass() == SystemDictionary::class_klass()) { | |
| 128 klassOop target_klass = java_lang_Class::as_klassOop(obj()); | |
| 129 st->print_cr("(a java.lang.Class for %s)", instanceKlass::cast(target_klass)->external_name()); | |
| 130 } else { | |
| 131 Klass* k = Klass::cast(obj->klass()); | |
| 132 st->print_cr("(a %s)", k->external_name()); | |
| 133 } | |
| 134 } | |
| 135 } | |
| 136 | |
| 137 void javaVFrame::print_lock_info_on(outputStream* st, int frame_count) { | |
| 138 ResourceMark rm; | |
| 139 | |
| 140 // If this is the first frame, and java.lang.Object.wait(...) then print out the receiver. | |
| 141 if (frame_count == 0) { | |
| 142 if (method()->name() == vmSymbols::wait_name() && | |
| 143 instanceKlass::cast(method()->method_holder())->name() == vmSymbols::java_lang_Object()) { | |
| 144 StackValueCollection* locs = locals(); | |
| 145 if (!locs->is_empty()) { | |
| 146 StackValue* sv = locs->at(0); | |
| 147 if (sv->type() == T_OBJECT) { | |
| 148 Handle o = locs->at(0)->get_obj(); | |
| 149 print_locked_object_class_name(st, o, "waiting on"); | |
| 150 } | |
| 151 } | |
| 152 } else if (thread()->current_park_blocker() != NULL) { | |
| 153 oop obj = thread()->current_park_blocker(); | |
| 154 Klass* k = Klass::cast(obj->klass()); | |
| 155 st->print_cr("\t- %s <" INTPTR_FORMAT "> (a %s)", "parking to wait for ", (address)obj, k->external_name()); | |
| 156 } | |
| 157 } | |
| 158 | |
| 159 | |
| 160 // Print out all monitors that we have locked or are trying to lock | |
| 161 GrowableArray<MonitorInfo*>* mons = monitors(); | |
| 162 if (!mons->is_empty()) { | |
| 163 bool found_first_monitor = false; | |
| 164 for (int index = (mons->length()-1); index >= 0; index--) { | |
| 165 MonitorInfo* monitor = mons->at(index); | |
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166 if (monitor->eliminated() && is_compiled_frame()) { // Eliminated in compiled code |
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167 if (monitor->owner_is_scalar_replaced()) { |
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168 Klass* k = Klass::cast(monitor->owner_klass()); |
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169 st->print("\t- eliminated <owner is scalar replaced> (a %s)", k->external_name()); |
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170 } else { |
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171 oop obj = monitor->owner(); |
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172 if (obj != NULL) { |
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173 print_locked_object_class_name(st, obj, "eliminated"); |
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174 } |
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175 } |
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176 continue; |
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177 } |
| 0 | 178 if (monitor->owner() != NULL) { |
| 179 | |
| 180 // First, assume we have the monitor locked. If we haven't found an | |
| 181 // owned monitor before and this is the first frame, then we need to | |
| 182 // see if we have completed the lock or we are blocked trying to | |
| 183 // acquire it - we can only be blocked if the monitor is inflated | |
| 184 | |
| 185 const char *lock_state = "locked"; // assume we have the monitor locked | |
| 186 if (!found_first_monitor && frame_count == 0) { | |
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187 markOop mark = monitor->owner()->mark(); |
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188 if (mark->has_monitor() && |
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189 mark->monitor() == thread()->current_pending_monitor()) { |
| 0 | 190 lock_state = "waiting to lock"; |
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191 } |
| 0 | 192 } |
| 193 | |
| 194 found_first_monitor = true; | |
| 195 print_locked_object_class_name(st, monitor->owner(), lock_state); | |
| 196 } | |
| 197 } | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 // ------------- interpretedVFrame -------------- | |
| 202 | |
| 203 u_char* interpretedVFrame::bcp() const { | |
| 204 return fr().interpreter_frame_bcp(); | |
| 205 } | |
| 206 | |
| 207 void interpretedVFrame::set_bcp(u_char* bcp) { | |
| 208 fr().interpreter_frame_set_bcp(bcp); | |
| 209 } | |
| 210 | |
| 211 intptr_t* interpretedVFrame::locals_addr_at(int offset) const { | |
| 212 assert(fr().is_interpreted_frame(), "frame should be an interpreted frame"); | |
| 213 return fr().interpreter_frame_local_at(offset); | |
| 214 } | |
| 215 | |
| 216 | |
| 217 GrowableArray<MonitorInfo*>* interpretedVFrame::monitors() const { | |
| 218 GrowableArray<MonitorInfo*>* result = new GrowableArray<MonitorInfo*>(5); | |
| 219 for (BasicObjectLock* current = (fr().previous_monitor_in_interpreter_frame(fr().interpreter_frame_monitor_begin())); | |
| 220 current >= fr().interpreter_frame_monitor_end(); | |
| 221 current = fr().previous_monitor_in_interpreter_frame(current)) { | |
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222 result->push(new MonitorInfo(current->obj(), current->lock(), false, false)); |
| 0 | 223 } |
| 224 return result; | |
| 225 } | |
| 226 | |
| 227 int interpretedVFrame::bci() const { | |
| 228 return method()->bci_from(bcp()); | |
| 229 } | |
| 230 | |
| 231 methodOop interpretedVFrame::method() const { | |
| 232 return fr().interpreter_frame_method(); | |
| 233 } | |
| 234 | |
| 235 StackValueCollection* interpretedVFrame::locals() const { | |
| 236 int length = method()->max_locals(); | |
| 237 | |
| 238 if (method()->is_native()) { | |
| 239 // If the method is native, max_locals is not telling the truth. | |
| 240 // maxlocals then equals the size of parameters | |
| 241 length = method()->size_of_parameters(); | |
| 242 } | |
| 243 | |
| 244 StackValueCollection* result = new StackValueCollection(length); | |
| 245 | |
| 246 // Get oopmap describing oops and int for current bci | |
| 247 if (TaggedStackInterpreter) { | |
| 248 for(int i=0; i < length; i++) { | |
| 249 // Find stack location | |
| 250 intptr_t *addr = locals_addr_at(i); | |
| 251 | |
| 252 // Depending on oop/int put it in the right package | |
| 253 StackValue *sv; | |
| 254 frame::Tag tag = fr().interpreter_frame_local_tag(i); | |
| 255 if (tag == frame::TagReference) { | |
| 256 // oop value | |
| 257 Handle h(*(oop *)addr); | |
| 258 sv = new StackValue(h); | |
| 259 } else { | |
| 260 // integer | |
| 261 sv = new StackValue(*addr); | |
| 262 } | |
| 263 assert(sv != NULL, "sanity check"); | |
| 264 result->add(sv); | |
| 265 } | |
| 266 } else { | |
| 267 InterpreterOopMap oop_mask; | |
| 268 if (TraceDeoptimization && Verbose) { | |
| 269 methodHandle m_h(thread(), method()); | |
| 270 OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask); | |
| 271 } else { | |
| 272 method()->mask_for(bci(), &oop_mask); | |
| 273 } | |
| 274 // handle locals | |
| 275 for(int i=0; i < length; i++) { | |
| 276 // Find stack location | |
| 277 intptr_t *addr = locals_addr_at(i); | |
| 278 | |
| 279 // Depending on oop/int put it in the right package | |
| 280 StackValue *sv; | |
| 281 if (oop_mask.is_oop(i)) { | |
| 282 // oop value | |
| 283 Handle h(*(oop *)addr); | |
| 284 sv = new StackValue(h); | |
| 285 } else { | |
| 286 // integer | |
| 287 sv = new StackValue(*addr); | |
| 288 } | |
| 289 assert(sv != NULL, "sanity check"); | |
| 290 result->add(sv); | |
| 291 } | |
| 292 } | |
| 293 return result; | |
| 294 } | |
| 295 | |
| 296 void interpretedVFrame::set_locals(StackValueCollection* values) const { | |
| 297 if (values == NULL || values->size() == 0) return; | |
| 298 | |
| 299 int length = method()->max_locals(); | |
| 300 if (method()->is_native()) { | |
| 301 // If the method is native, max_locals is not telling the truth. | |
| 302 // maxlocals then equals the size of parameters | |
| 303 length = method()->size_of_parameters(); | |
| 304 } | |
| 305 | |
| 306 assert(length == values->size(), "Mismatch between actual stack format and supplied data"); | |
| 307 | |
| 308 // handle locals | |
| 309 for (int i = 0; i < length; i++) { | |
| 310 // Find stack location | |
| 311 intptr_t *addr = locals_addr_at(i); | |
| 312 | |
| 313 // Depending on oop/int put it in the right package | |
| 314 StackValue *sv = values->at(i); | |
| 315 assert(sv != NULL, "sanity check"); | |
| 316 if (sv->type() == T_OBJECT) { | |
| 317 *(oop *) addr = (sv->get_obj())(); | |
| 318 } else { // integer | |
| 319 *addr = sv->get_int(); | |
| 320 } | |
| 321 } | |
| 322 } | |
| 323 | |
| 324 StackValueCollection* interpretedVFrame::expressions() const { | |
| 325 int length = fr().interpreter_frame_expression_stack_size(); | |
| 326 if (method()->is_native()) { | |
| 327 // If the method is native, there is no expression stack | |
| 328 length = 0; | |
| 329 } | |
| 330 | |
| 331 int nof_locals = method()->max_locals(); | |
| 332 StackValueCollection* result = new StackValueCollection(length); | |
| 333 | |
| 334 if (TaggedStackInterpreter) { | |
| 335 // handle expressions | |
| 336 for(int i=0; i < length; i++) { | |
| 337 // Find stack location | |
| 338 intptr_t *addr = fr().interpreter_frame_expression_stack_at(i); | |
| 339 frame::Tag tag = fr().interpreter_frame_expression_stack_tag(i); | |
| 340 | |
| 341 // Depending on oop/int put it in the right package | |
| 342 StackValue *sv; | |
| 343 if (tag == frame::TagReference) { | |
| 344 // oop value | |
| 345 Handle h(*(oop *)addr); | |
| 346 sv = new StackValue(h); | |
| 347 } else { | |
| 348 // otherwise | |
| 349 sv = new StackValue(*addr); | |
| 350 } | |
| 351 assert(sv != NULL, "sanity check"); | |
| 352 result->add(sv); | |
| 353 } | |
| 354 } else { | |
| 355 InterpreterOopMap oop_mask; | |
| 356 // Get oopmap describing oops and int for current bci | |
| 357 if (TraceDeoptimization && Verbose) { | |
| 358 methodHandle m_h(method()); | |
| 359 OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask); | |
| 360 } else { | |
| 361 method()->mask_for(bci(), &oop_mask); | |
| 362 } | |
| 363 // handle expressions | |
| 364 for(int i=0; i < length; i++) { | |
| 365 // Find stack location | |
| 366 intptr_t *addr = fr().interpreter_frame_expression_stack_at(i); | |
| 367 | |
| 368 // Depending on oop/int put it in the right package | |
| 369 StackValue *sv; | |
| 370 if (oop_mask.is_oop(i + nof_locals)) { | |
| 371 // oop value | |
| 372 Handle h(*(oop *)addr); | |
| 373 sv = new StackValue(h); | |
| 374 } else { | |
| 375 // integer | |
| 376 sv = new StackValue(*addr); | |
| 377 } | |
| 378 assert(sv != NULL, "sanity check"); | |
| 379 result->add(sv); | |
| 380 } | |
| 381 } | |
| 382 return result; | |
| 383 } | |
| 384 | |
| 385 | |
| 386 // ------------- cChunk -------------- | |
| 387 | |
| 388 entryVFrame::entryVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread) | |
| 389 : externalVFrame(fr, reg_map, thread) {} | |
| 390 | |
| 391 | |
| 392 void vframeStreamCommon::found_bad_method_frame() { | |
| 393 // 6379830 Cut point for an assertion that occasionally fires when | |
| 394 // we are using the performance analyzer. | |
| 395 // Disable this assert when testing the analyzer with fastdebug. | |
| 396 // -XX:SuppressErrorAt=vframe.cpp:XXX (XXX=following line number) | |
| 397 assert(false, "invalid bci or invalid scope desc"); | |
| 398 } | |
| 399 | |
| 400 // top-frame will be skipped | |
| 401 vframeStream::vframeStream(JavaThread* thread, frame top_frame, | |
| 402 bool stop_at_java_call_stub) : vframeStreamCommon(thread) { | |
| 403 _stop_at_java_call_stub = stop_at_java_call_stub; | |
| 404 | |
| 405 // skip top frame, as it may not be at safepoint | |
| 406 _frame = top_frame.sender(&_reg_map); | |
| 407 while (!fill_from_frame()) { | |
| 408 _frame = _frame.sender(&_reg_map); | |
| 409 } | |
| 410 } | |
| 411 | |
| 412 | |
| 413 // Step back n frames, skip any pseudo frames in between. | |
| 414 // This function is used in Class.forName, Class.newInstance, Method.Invoke, | |
| 415 // AccessController.doPrivileged. | |
| 416 // | |
| 417 // NOTE that in JDK 1.4 this has been exposed to Java as | |
| 418 // sun.reflect.Reflection.getCallerClass(), which can be inlined. | |
| 419 // Inlined versions must match this routine's logic. | |
| 420 // Native method prefixing logic does not need to match since | |
| 421 // the method names don't match and inlining will not occur. | |
| 422 // See, for example, | |
| 423 // Parse::inline_native_Reflection_getCallerClass in | |
| 424 // opto/library_call.cpp. | |
| 425 void vframeStreamCommon::security_get_caller_frame(int depth) { | |
| 426 bool use_new_reflection = JDK_Version::is_gte_jdk14x_version() && UseNewReflection; | |
| 427 | |
| 428 while (!at_end()) { | |
| 429 if (Universe::reflect_invoke_cache()->is_same_method(method())) { | |
| 430 // This is Method.invoke() -- skip it | |
| 431 } else if (use_new_reflection && | |
| 432 Klass::cast(method()->method_holder()) | |
| 433 ->is_subclass_of(SystemDictionary::reflect_method_accessor_klass())) { | |
| 434 // This is an auxilary frame -- skip it | |
| 435 } else { | |
| 436 // This is non-excluded frame, we need to count it against the depth | |
| 437 if (depth-- <= 0) { | |
| 438 // we have reached the desired depth, we are done | |
| 439 break; | |
| 440 } | |
| 441 } | |
| 442 if (method()->is_prefixed_native()) { | |
| 443 skip_prefixed_method_and_wrappers(); | |
| 444 } else { | |
| 445 next(); | |
| 446 } | |
| 447 } | |
| 448 } | |
| 449 | |
| 450 | |
| 451 void vframeStreamCommon::skip_prefixed_method_and_wrappers() { | |
| 452 ResourceMark rm; | |
| 453 HandleMark hm; | |
| 454 | |
| 455 int method_prefix_count = 0; | |
| 456 char** method_prefixes = JvmtiExport::get_all_native_method_prefixes(&method_prefix_count); | |
| 457 KlassHandle prefixed_klass(method()->method_holder()); | |
| 458 const char* prefixed_name = method()->name()->as_C_string(); | |
| 459 size_t prefixed_name_len = strlen(prefixed_name); | |
| 460 int prefix_index = method_prefix_count-1; | |
| 461 | |
| 462 while (!at_end()) { | |
| 463 next(); | |
| 464 if (method()->method_holder() != prefixed_klass()) { | |
| 465 break; // classes don't match, can't be a wrapper | |
| 466 } | |
| 467 const char* name = method()->name()->as_C_string(); | |
| 468 size_t name_len = strlen(name); | |
| 469 size_t prefix_len = prefixed_name_len - name_len; | |
| 470 if (prefix_len <= 0 || strcmp(name, prefixed_name + prefix_len) != 0) { | |
| 471 break; // prefixed name isn't prefixed version of method name, can't be a wrapper | |
| 472 } | |
| 473 for (; prefix_index >= 0; --prefix_index) { | |
| 474 const char* possible_prefix = method_prefixes[prefix_index]; | |
| 475 size_t possible_prefix_len = strlen(possible_prefix); | |
| 476 if (possible_prefix_len == prefix_len && | |
| 477 strncmp(possible_prefix, prefixed_name, prefix_len) == 0) { | |
| 478 break; // matching prefix found | |
| 479 } | |
| 480 } | |
| 481 if (prefix_index < 0) { | |
| 482 break; // didn't find the prefix, can't be a wrapper | |
| 483 } | |
| 484 prefixed_name = name; | |
| 485 prefixed_name_len = name_len; | |
| 486 } | |
| 487 } | |
| 488 | |
| 489 | |
| 490 void vframeStreamCommon::skip_reflection_related_frames() { | |
| 491 while (!at_end() && | |
| 492 (JDK_Version::is_gte_jdk14x_version() && UseNewReflection && | |
| 493 (Klass::cast(method()->method_holder())->is_subclass_of(SystemDictionary::reflect_method_accessor_klass()) || | |
| 494 Klass::cast(method()->method_holder())->is_subclass_of(SystemDictionary::reflect_constructor_accessor_klass())))) { | |
| 495 next(); | |
| 496 } | |
| 497 } | |
| 498 | |
| 499 | |
| 500 #ifndef PRODUCT | |
| 501 void vframe::print() { | |
| 502 if (WizardMode) _fr.print_value_on(tty,NULL); | |
| 503 } | |
| 504 | |
| 505 | |
| 506 void vframe::print_value() const { | |
| 507 ((vframe*)this)->print(); | |
| 508 } | |
| 509 | |
| 510 | |
| 511 void entryVFrame::print_value() const { | |
| 512 ((entryVFrame*)this)->print(); | |
| 513 } | |
| 514 | |
| 515 void entryVFrame::print() { | |
| 516 vframe::print(); | |
| 517 tty->print_cr("C Chunk inbetween Java"); | |
| 518 tty->print_cr("C link " INTPTR_FORMAT, _fr.link()); | |
| 519 } | |
| 520 | |
| 521 | |
| 522 // ------------- javaVFrame -------------- | |
| 523 | |
| 524 static void print_stack_values(const char* title, StackValueCollection* values) { | |
| 525 if (values->is_empty()) return; | |
| 526 tty->print_cr("\t%s:", title); | |
| 527 values->print(); | |
| 528 } | |
| 529 | |
| 530 | |
| 531 void javaVFrame::print() { | |
| 532 ResourceMark rm; | |
| 533 vframe::print(); | |
| 534 tty->print("\t"); | |
| 535 method()->print_value(); | |
| 536 tty->cr(); | |
| 537 tty->print_cr("\tbci: %d", bci()); | |
| 538 | |
| 539 print_stack_values("locals", locals()); | |
| 540 print_stack_values("expressions", expressions()); | |
| 541 | |
| 542 GrowableArray<MonitorInfo*>* list = monitors(); | |
| 543 if (list->is_empty()) return; | |
| 544 tty->print_cr("\tmonitor list:"); | |
| 545 for (int index = (list->length()-1); index >= 0; index--) { | |
| 546 MonitorInfo* monitor = list->at(index); | |
|
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547 tty->print("\t obj\t"); |
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548 if (monitor->owner_is_scalar_replaced()) { |
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549 Klass* k = Klass::cast(monitor->owner_klass()); |
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550 tty->print("( is scalar replaced %s)", k->external_name()); |
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551 } else if (monitor->owner() == NULL) { |
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552 tty->print("( null )"); |
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553 } else { |
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554 monitor->owner()->print_value(); |
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555 tty->print("(" INTPTR_FORMAT ")", (address)monitor->owner()); |
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556 } |
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557 if (monitor->eliminated() && is_compiled_frame()) |
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558 tty->print(" ( lock is eliminated )"); |
| 0 | 559 tty->cr(); |
| 560 tty->print("\t "); | |
| 561 monitor->lock()->print_on(tty); | |
| 562 tty->cr(); | |
| 563 } | |
| 564 } | |
| 565 | |
| 566 | |
| 567 void javaVFrame::print_value() const { | |
| 568 methodOop m = method(); | |
| 569 klassOop k = m->method_holder(); | |
| 570 tty->print_cr("frame( sp=" INTPTR_FORMAT ", unextended_sp=" INTPTR_FORMAT ", fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT ")", | |
| 571 _fr.sp(), _fr.unextended_sp(), _fr.fp(), _fr.pc()); | |
| 572 tty->print("%s.%s", Klass::cast(k)->internal_name(), m->name()->as_C_string()); | |
| 573 | |
| 574 if (!m->is_native()) { | |
| 575 symbolOop source_name = instanceKlass::cast(k)->source_file_name(); | |
| 576 int line_number = m->line_number_from_bci(bci()); | |
| 577 if (source_name != NULL && (line_number != -1)) { | |
| 578 tty->print("(%s:%d)", source_name->as_C_string(), line_number); | |
| 579 } | |
| 580 } else { | |
| 581 tty->print("(Native Method)"); | |
| 582 } | |
| 583 // Check frame size and print warning if it looks suspiciously large | |
| 584 if (fr().sp() != NULL) { | |
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585 RegisterMap map = *register_map(); |
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586 uint size = fr().frame_size(&map); |
| 0 | 587 #ifdef _LP64 |
| 588 if (size > 8*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
| 589 #else | |
| 590 if (size > 4*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
| 591 #endif | |
| 592 } | |
| 593 } | |
| 594 | |
| 595 | |
| 596 bool javaVFrame::structural_compare(javaVFrame* other) { | |
| 597 // Check static part | |
| 598 if (method() != other->method()) return false; | |
| 599 if (bci() != other->bci()) return false; | |
| 600 | |
| 601 // Check locals | |
| 602 StackValueCollection *locs = locals(); | |
| 603 StackValueCollection *other_locs = other->locals(); | |
| 604 assert(locs->size() == other_locs->size(), "sanity check"); | |
| 605 int i; | |
| 606 for(i = 0; i < locs->size(); i++) { | |
| 607 // it might happen the compiler reports a conflict and | |
| 608 // the interpreter reports a bogus int. | |
| 609 if ( is_compiled_frame() && locs->at(i)->type() == T_CONFLICT) continue; | |
| 610 if (other->is_compiled_frame() && other_locs->at(i)->type() == T_CONFLICT) continue; | |
| 611 | |
| 612 if (!locs->at(i)->equal(other_locs->at(i))) | |
| 613 return false; | |
| 614 } | |
| 615 | |
| 616 // Check expressions | |
| 617 StackValueCollection* exprs = expressions(); | |
| 618 StackValueCollection* other_exprs = other->expressions(); | |
| 619 assert(exprs->size() == other_exprs->size(), "sanity check"); | |
| 620 for(i = 0; i < exprs->size(); i++) { | |
| 621 if (!exprs->at(i)->equal(other_exprs->at(i))) | |
| 622 return false; | |
| 623 } | |
| 624 | |
| 625 return true; | |
| 626 } | |
| 627 | |
| 628 | |
| 629 void javaVFrame::print_activation(int index) const { | |
| 630 // frame number and method | |
| 631 tty->print("%2d - ", index); | |
| 632 ((vframe*)this)->print_value(); | |
| 633 tty->cr(); | |
| 634 | |
| 635 if (WizardMode) { | |
| 636 ((vframe*)this)->print(); | |
| 637 tty->cr(); | |
| 638 } | |
| 639 } | |
| 640 | |
| 641 | |
| 642 void javaVFrame::verify() const { | |
| 643 } | |
| 644 | |
| 645 | |
| 646 void interpretedVFrame::verify() const { | |
| 647 } | |
| 648 | |
| 649 | |
| 650 // ------------- externalVFrame -------------- | |
| 651 | |
| 652 void externalVFrame::print() { | |
| 653 _fr.print_value_on(tty,NULL); | |
| 654 } | |
| 655 | |
| 656 | |
| 657 void externalVFrame::print_value() const { | |
| 658 ((vframe*)this)->print(); | |
| 659 } | |
| 660 #endif // PRODUCT |