Mercurial > hg > truffle
annotate src/share/vm/runtime/vframe.cpp @ 7212:291ffc492eb6
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Fri, 14 Dec 2012 14:35:13 +0100 |
| parents | 2cb439954abf |
| children | b8f261ba79c6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 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 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/javaClasses.hpp" | |
| 27 #include "classfile/systemDictionary.hpp" | |
| 28 #include "classfile/vmSymbols.hpp" | |
| 29 #include "code/codeCache.hpp" | |
| 30 #include "code/debugInfoRec.hpp" | |
| 31 #include "code/nmethod.hpp" | |
| 32 #include "code/pcDesc.hpp" | |
| 33 #include "code/scopeDesc.hpp" | |
| 34 #include "interpreter/interpreter.hpp" | |
| 35 #include "interpreter/oopMapCache.hpp" | |
| 36 #include "memory/resourceArea.hpp" | |
| 37 #include "oops/instanceKlass.hpp" | |
| 38 #include "oops/oop.inline.hpp" | |
| 39 #include "runtime/handles.inline.hpp" | |
| 40 #include "runtime/objectMonitor.hpp" | |
| 41 #include "runtime/objectMonitor.inline.hpp" | |
| 42 #include "runtime/signature.hpp" | |
| 43 #include "runtime/stubRoutines.hpp" | |
| 44 #include "runtime/synchronizer.hpp" | |
| 45 #include "runtime/vframe.hpp" | |
| 46 #include "runtime/vframeArray.hpp" | |
| 47 #include "runtime/vframe_hp.hpp" | |
| 0 | 48 |
| 49 vframe::vframe(const frame* fr, const RegisterMap* reg_map, JavaThread* thread) | |
| 50 : _reg_map(reg_map), _thread(thread) { | |
| 51 assert(fr != NULL, "must have frame"); | |
| 52 _fr = *fr; | |
| 53 } | |
| 54 | |
| 55 vframe::vframe(const frame* fr, JavaThread* thread) | |
| 56 : _reg_map(thread), _thread(thread) { | |
| 57 assert(fr != NULL, "must have frame"); | |
| 58 _fr = *fr; | |
| 59 } | |
| 60 | |
| 61 vframe* vframe::new_vframe(const frame* f, const RegisterMap* reg_map, JavaThread* thread) { | |
| 62 // Interpreter frame | |
| 63 if (f->is_interpreted_frame()) { | |
| 64 return new interpretedVFrame(f, reg_map, thread); | |
| 65 } | |
| 66 | |
| 67 // Compiled frame | |
| 68 CodeBlob* cb = f->cb(); | |
| 69 if (cb != NULL) { | |
| 70 if (cb->is_nmethod()) { | |
| 71 nmethod* nm = (nmethod*)cb; | |
| 72 return new compiledVFrame(f, reg_map, thread, nm); | |
| 73 } | |
| 74 | |
| 75 if (f->is_runtime_frame()) { | |
| 76 // Skip this frame and try again. | |
| 77 RegisterMap temp_map = *reg_map; | |
| 78 frame s = f->sender(&temp_map); | |
| 79 return new_vframe(&s, &temp_map, thread); | |
| 80 } | |
| 81 } | |
| 82 | |
| 83 // External frame | |
| 84 return new externalVFrame(f, reg_map, thread); | |
| 85 } | |
| 86 | |
| 87 vframe* vframe::sender() const { | |
| 88 RegisterMap temp_map = *register_map(); | |
| 89 assert(is_top(), "just checking"); | |
| 90 if (_fr.is_entry_frame() && _fr.is_first_frame()) return NULL; | |
| 91 frame s = _fr.real_sender(&temp_map); | |
| 92 if (s.is_first_frame()) return NULL; | |
| 93 return vframe::new_vframe(&s, &temp_map, thread()); | |
| 94 } | |
| 95 | |
| 96 vframe* vframe::top() const { | |
| 97 vframe* vf = (vframe*) this; | |
| 98 while (!vf->is_top()) vf = vf->sender(); | |
| 99 return vf; | |
| 100 } | |
| 101 | |
| 102 | |
| 103 javaVFrame* vframe::java_sender() const { | |
| 104 vframe* f = sender(); | |
| 105 while (f != NULL) { | |
| 106 if (f->is_java_frame()) return javaVFrame::cast(f); | |
| 107 f = f->sender(); | |
| 108 } | |
| 109 return NULL; | |
| 110 } | |
| 111 | |
| 112 // ------------- javaVFrame -------------- | |
| 113 | |
| 114 GrowableArray<MonitorInfo*>* javaVFrame::locked_monitors() { | |
| 115 assert(SafepointSynchronize::is_at_safepoint() || JavaThread::current() == thread(), | |
| 116 "must be at safepoint or it's a java frame of the current thread"); | |
| 117 | |
| 118 GrowableArray<MonitorInfo*>* mons = monitors(); | |
| 119 GrowableArray<MonitorInfo*>* result = new GrowableArray<MonitorInfo*>(mons->length()); | |
| 120 if (mons->is_empty()) return result; | |
| 121 | |
| 122 bool found_first_monitor = false; | |
| 123 ObjectMonitor *pending_monitor = thread()->current_pending_monitor(); | |
| 124 ObjectMonitor *waiting_monitor = thread()->current_waiting_monitor(); | |
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125 oop pending_obj = (pending_monitor != NULL ? (oop) pending_monitor->object() : (oop) NULL); |
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126 oop waiting_obj = (waiting_monitor != NULL ? (oop) waiting_monitor->object() : (oop) NULL); |
| 0 | 127 |
| 128 for (int index = (mons->length()-1); index >= 0; index--) { | |
| 129 MonitorInfo* monitor = mons->at(index); | |
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130 if (monitor->eliminated() && is_compiled_frame()) continue; // skip eliminated monitor |
| 0 | 131 oop obj = monitor->owner(); |
| 132 if (obj == NULL) continue; // skip unowned monitor | |
| 133 // | |
| 134 // Skip the monitor that the thread is blocked to enter or waiting on | |
| 135 // | |
| 136 if (!found_first_monitor && (obj == pending_obj || obj == waiting_obj)) { | |
| 137 continue; | |
| 138 } | |
| 139 found_first_monitor = true; | |
| 140 result->append(monitor); | |
| 141 } | |
| 142 return result; | |
| 143 } | |
| 144 | |
| 145 static void print_locked_object_class_name(outputStream* st, Handle obj, const char* lock_state) { | |
| 146 if (obj.not_null()) { | |
| 147 st->print("\t- %s <" INTPTR_FORMAT "> ", lock_state, (address)obj()); | |
| 1142 | 148 if (obj->klass() == SystemDictionary::Class_klass()) { |
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149 Klass* target_klass = java_lang_Class::as_Klass(obj()); |
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150 st->print_cr("(a java.lang.Class for %s)", InstanceKlass::cast(target_klass)->external_name()); |
| 0 | 151 } else { |
| 6983 | 152 Klass* k = obj->klass(); |
| 0 | 153 st->print_cr("(a %s)", k->external_name()); |
| 154 } | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 void javaVFrame::print_lock_info_on(outputStream* st, int frame_count) { | |
| 159 ResourceMark rm; | |
| 160 | |
| 161 // If this is the first frame, and java.lang.Object.wait(...) then print out the receiver. | |
| 162 if (frame_count == 0) { | |
| 163 if (method()->name() == vmSymbols::wait_name() && | |
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164 method()->method_holder()->name() == vmSymbols::java_lang_Object()) { |
| 0 | 165 StackValueCollection* locs = locals(); |
| 166 if (!locs->is_empty()) { | |
| 167 StackValue* sv = locs->at(0); | |
| 168 if (sv->type() == T_OBJECT) { | |
| 169 Handle o = locs->at(0)->get_obj(); | |
| 170 print_locked_object_class_name(st, o, "waiting on"); | |
| 171 } | |
| 172 } | |
| 173 } else if (thread()->current_park_blocker() != NULL) { | |
| 174 oop obj = thread()->current_park_blocker(); | |
| 6983 | 175 Klass* k = obj->klass(); |
| 0 | 176 st->print_cr("\t- %s <" INTPTR_FORMAT "> (a %s)", "parking to wait for ", (address)obj, k->external_name()); |
| 177 } | |
| 178 } | |
| 179 | |
| 180 | |
| 181 // Print out all monitors that we have locked or are trying to lock | |
| 182 GrowableArray<MonitorInfo*>* mons = monitors(); | |
| 183 if (!mons->is_empty()) { | |
| 184 bool found_first_monitor = false; | |
| 185 for (int index = (mons->length()-1); index >= 0; index--) { | |
| 186 MonitorInfo* monitor = mons->at(index); | |
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187 if (monitor->eliminated() && is_compiled_frame()) { // Eliminated in compiled code |
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188 if (monitor->owner_is_scalar_replaced()) { |
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189 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass()); |
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190 st->print("\t- eliminated <owner is scalar replaced> (a %s)", k->external_name()); |
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191 } else { |
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192 oop obj = monitor->owner(); |
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193 if (obj != NULL) { |
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194 print_locked_object_class_name(st, obj, "eliminated"); |
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195 } |
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196 } |
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197 continue; |
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198 } |
| 0 | 199 if (monitor->owner() != NULL) { |
| 200 | |
| 201 // First, assume we have the monitor locked. If we haven't found an | |
| 202 // owned monitor before and this is the first frame, then we need to | |
| 203 // see if we have completed the lock or we are blocked trying to | |
| 204 // acquire it - we can only be blocked if the monitor is inflated | |
| 205 | |
| 206 const char *lock_state = "locked"; // assume we have the monitor locked | |
| 207 if (!found_first_monitor && frame_count == 0) { | |
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208 markOop mark = monitor->owner()->mark(); |
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209 if (mark->has_monitor() && |
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210 mark->monitor() == thread()->current_pending_monitor()) { |
| 0 | 211 lock_state = "waiting to lock"; |
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212 } |
| 0 | 213 } |
| 214 | |
| 215 found_first_monitor = true; | |
| 216 print_locked_object_class_name(st, monitor->owner(), lock_state); | |
| 217 } | |
| 218 } | |
| 219 } | |
| 220 } | |
| 221 | |
| 222 // ------------- interpretedVFrame -------------- | |
| 223 | |
| 224 u_char* interpretedVFrame::bcp() const { | |
| 225 return fr().interpreter_frame_bcp(); | |
| 226 } | |
| 227 | |
| 228 void interpretedVFrame::set_bcp(u_char* bcp) { | |
| 229 fr().interpreter_frame_set_bcp(bcp); | |
| 230 } | |
| 231 | |
| 232 intptr_t* interpretedVFrame::locals_addr_at(int offset) const { | |
| 233 assert(fr().is_interpreted_frame(), "frame should be an interpreted frame"); | |
| 234 return fr().interpreter_frame_local_at(offset); | |
| 235 } | |
| 236 | |
| 237 | |
| 238 GrowableArray<MonitorInfo*>* interpretedVFrame::monitors() const { | |
| 239 GrowableArray<MonitorInfo*>* result = new GrowableArray<MonitorInfo*>(5); | |
| 240 for (BasicObjectLock* current = (fr().previous_monitor_in_interpreter_frame(fr().interpreter_frame_monitor_begin())); | |
| 241 current >= fr().interpreter_frame_monitor_end(); | |
| 242 current = fr().previous_monitor_in_interpreter_frame(current)) { | |
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243 result->push(new MonitorInfo(current->obj(), current->lock(), false, false)); |
| 0 | 244 } |
| 245 return result; | |
| 246 } | |
| 247 | |
| 248 int interpretedVFrame::bci() const { | |
| 249 return method()->bci_from(bcp()); | |
| 250 } | |
| 251 | |
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252 Method* interpretedVFrame::method() const { |
| 0 | 253 return fr().interpreter_frame_method(); |
| 254 } | |
| 255 | |
| 256 StackValueCollection* interpretedVFrame::locals() const { | |
| 257 int length = method()->max_locals(); | |
| 258 | |
| 259 if (method()->is_native()) { | |
| 260 // If the method is native, max_locals is not telling the truth. | |
| 261 // maxlocals then equals the size of parameters | |
| 262 length = method()->size_of_parameters(); | |
| 263 } | |
| 264 | |
| 265 StackValueCollection* result = new StackValueCollection(length); | |
| 266 | |
| 267 // Get oopmap describing oops and int for current bci | |
| 1506 | 268 InterpreterOopMap oop_mask; |
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269 if (PrintDeoptimizationDetails) { |
| 4669 | 270 methodHandle m_h(method()); |
| 1506 | 271 OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask); |
| 0 | 272 } else { |
| 1506 | 273 method()->mask_for(bci(), &oop_mask); |
| 274 } | |
| 275 // handle locals | |
| 276 for(int i=0; i < length; i++) { | |
| 277 // Find stack location | |
| 278 intptr_t *addr = locals_addr_at(i); | |
| 0 | 279 |
| 1506 | 280 // Depending on oop/int put it in the right package |
| 281 StackValue *sv; | |
| 282 if (oop_mask.is_oop(i)) { | |
| 283 // oop value | |
| 284 Handle h(*(oop *)addr); | |
| 285 sv = new StackValue(h); | |
| 286 } else { | |
| 287 // integer | |
| 288 sv = new StackValue(*addr); | |
| 0 | 289 } |
| 1506 | 290 assert(sv != NULL, "sanity check"); |
| 291 result->add(sv); | |
| 0 | 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 | |
| 1506 | 334 InterpreterOopMap oop_mask; |
| 335 // Get oopmap describing oops and int for current bci | |
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336 if (PrintDeoptimizationDetails) { |
| 1506 | 337 methodHandle m_h(method()); |
| 338 OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask); | |
| 0 | 339 } else { |
| 1506 | 340 method()->mask_for(bci(), &oop_mask); |
| 341 } | |
| 342 // handle expressions | |
| 343 for(int i=0; i < length; i++) { | |
| 344 // Find stack location | |
| 345 intptr_t *addr = fr().interpreter_frame_expression_stack_at(i); | |
| 0 | 346 |
| 1506 | 347 // Depending on oop/int put it in the right package |
| 348 StackValue *sv; | |
| 349 if (oop_mask.is_oop(i + nof_locals)) { | |
| 350 // oop value | |
| 351 Handle h(*(oop *)addr); | |
| 352 sv = new StackValue(h); | |
| 353 } else { | |
| 354 // integer | |
| 355 sv = new StackValue(*addr); | |
| 0 | 356 } |
| 1506 | 357 assert(sv != NULL, "sanity check"); |
| 358 result->add(sv); | |
| 0 | 359 } |
| 360 return result; | |
| 361 } | |
| 362 | |
| 363 | |
| 364 // ------------- cChunk -------------- | |
| 365 | |
| 366 entryVFrame::entryVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread) | |
| 367 : externalVFrame(fr, reg_map, thread) {} | |
| 368 | |
| 369 | |
| 370 void vframeStreamCommon::found_bad_method_frame() { | |
| 371 // 6379830 Cut point for an assertion that occasionally fires when | |
| 372 // we are using the performance analyzer. | |
| 373 // Disable this assert when testing the analyzer with fastdebug. | |
| 374 // -XX:SuppressErrorAt=vframe.cpp:XXX (XXX=following line number) | |
| 375 assert(false, "invalid bci or invalid scope desc"); | |
| 376 } | |
| 377 | |
| 378 // top-frame will be skipped | |
| 379 vframeStream::vframeStream(JavaThread* thread, frame top_frame, | |
| 380 bool stop_at_java_call_stub) : vframeStreamCommon(thread) { | |
| 381 _stop_at_java_call_stub = stop_at_java_call_stub; | |
| 382 | |
| 383 // skip top frame, as it may not be at safepoint | |
| 384 _frame = top_frame.sender(&_reg_map); | |
| 385 while (!fill_from_frame()) { | |
| 386 _frame = _frame.sender(&_reg_map); | |
| 387 } | |
| 388 } | |
| 389 | |
| 390 | |
| 391 // Step back n frames, skip any pseudo frames in between. | |
| 392 // This function is used in Class.forName, Class.newInstance, Method.Invoke, | |
| 393 // AccessController.doPrivileged. | |
| 394 // | |
| 395 // NOTE that in JDK 1.4 this has been exposed to Java as | |
| 396 // sun.reflect.Reflection.getCallerClass(), which can be inlined. | |
| 397 // Inlined versions must match this routine's logic. | |
| 398 // Native method prefixing logic does not need to match since | |
| 399 // the method names don't match and inlining will not occur. | |
| 400 // See, for example, | |
| 401 // Parse::inline_native_Reflection_getCallerClass in | |
| 402 // opto/library_call.cpp. | |
| 403 void vframeStreamCommon::security_get_caller_frame(int depth) { | |
| 404 bool use_new_reflection = JDK_Version::is_gte_jdk14x_version() && UseNewReflection; | |
| 405 | |
| 406 while (!at_end()) { | |
| 407 if (Universe::reflect_invoke_cache()->is_same_method(method())) { | |
| 408 // This is Method.invoke() -- skip it | |
| 409 } else if (use_new_reflection && | |
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410 method()->method_holder() |
| 1142 | 411 ->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass())) { |
| 0 | 412 // This is an auxilary frame -- skip it |
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413 } else if (method()->is_method_handle_intrinsic() || |
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414 method()->is_compiled_lambda_form()) { |
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415 // This is an internal adapter frame for method handles -- skip it |
| 0 | 416 } else { |
| 417 // This is non-excluded frame, we need to count it against the depth | |
| 418 if (depth-- <= 0) { | |
| 419 // we have reached the desired depth, we are done | |
| 420 break; | |
| 421 } | |
| 422 } | |
| 423 if (method()->is_prefixed_native()) { | |
| 424 skip_prefixed_method_and_wrappers(); | |
| 425 } else { | |
| 426 next(); | |
| 427 } | |
| 428 } | |
| 429 } | |
| 430 | |
| 431 | |
| 432 void vframeStreamCommon::skip_prefixed_method_and_wrappers() { | |
| 433 ResourceMark rm; | |
| 434 HandleMark hm; | |
| 435 | |
| 436 int method_prefix_count = 0; | |
| 437 char** method_prefixes = JvmtiExport::get_all_native_method_prefixes(&method_prefix_count); | |
| 438 KlassHandle prefixed_klass(method()->method_holder()); | |
| 439 const char* prefixed_name = method()->name()->as_C_string(); | |
| 440 size_t prefixed_name_len = strlen(prefixed_name); | |
| 441 int prefix_index = method_prefix_count-1; | |
| 442 | |
| 443 while (!at_end()) { | |
| 444 next(); | |
| 445 if (method()->method_holder() != prefixed_klass()) { | |
| 446 break; // classes don't match, can't be a wrapper | |
| 447 } | |
| 448 const char* name = method()->name()->as_C_string(); | |
| 449 size_t name_len = strlen(name); | |
| 450 size_t prefix_len = prefixed_name_len - name_len; | |
| 451 if (prefix_len <= 0 || strcmp(name, prefixed_name + prefix_len) != 0) { | |
| 452 break; // prefixed name isn't prefixed version of method name, can't be a wrapper | |
| 453 } | |
| 454 for (; prefix_index >= 0; --prefix_index) { | |
| 455 const char* possible_prefix = method_prefixes[prefix_index]; | |
| 456 size_t possible_prefix_len = strlen(possible_prefix); | |
| 457 if (possible_prefix_len == prefix_len && | |
| 458 strncmp(possible_prefix, prefixed_name, prefix_len) == 0) { | |
| 459 break; // matching prefix found | |
| 460 } | |
| 461 } | |
| 462 if (prefix_index < 0) { | |
| 463 break; // didn't find the prefix, can't be a wrapper | |
| 464 } | |
| 465 prefixed_name = name; | |
| 466 prefixed_name_len = name_len; | |
| 467 } | |
| 468 } | |
| 469 | |
| 470 | |
| 471 void vframeStreamCommon::skip_reflection_related_frames() { | |
| 472 while (!at_end() && | |
| 473 (JDK_Version::is_gte_jdk14x_version() && UseNewReflection && | |
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474 (method()->method_holder()->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass()) || |
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475 method()->method_holder()->is_subclass_of(SystemDictionary::reflect_ConstructorAccessorImpl_klass())))) { |
| 0 | 476 next(); |
| 477 } | |
| 478 } | |
| 479 | |
| 480 | |
| 481 #ifndef PRODUCT | |
| 482 void vframe::print() { | |
| 483 if (WizardMode) _fr.print_value_on(tty,NULL); | |
| 484 } | |
| 485 | |
| 486 | |
| 487 void vframe::print_value() const { | |
| 488 ((vframe*)this)->print(); | |
| 489 } | |
| 490 | |
| 491 | |
| 492 void entryVFrame::print_value() const { | |
| 493 ((entryVFrame*)this)->print(); | |
| 494 } | |
| 495 | |
| 496 void entryVFrame::print() { | |
| 497 vframe::print(); | |
| 498 tty->print_cr("C Chunk inbetween Java"); | |
| 499 tty->print_cr("C link " INTPTR_FORMAT, _fr.link()); | |
| 500 } | |
| 501 | |
| 502 | |
| 503 // ------------- javaVFrame -------------- | |
| 504 | |
| 505 static void print_stack_values(const char* title, StackValueCollection* values) { | |
| 506 if (values->is_empty()) return; | |
| 507 tty->print_cr("\t%s:", title); | |
| 508 values->print(); | |
| 509 } | |
| 510 | |
| 511 | |
| 512 void javaVFrame::print() { | |
| 513 ResourceMark rm; | |
| 514 vframe::print(); | |
| 515 tty->print("\t"); | |
| 516 method()->print_value(); | |
| 517 tty->cr(); | |
| 518 tty->print_cr("\tbci: %d", bci()); | |
| 519 | |
| 520 print_stack_values("locals", locals()); | |
| 521 print_stack_values("expressions", expressions()); | |
| 522 | |
| 523 GrowableArray<MonitorInfo*>* list = monitors(); | |
| 524 if (list->is_empty()) return; | |
| 525 tty->print_cr("\tmonitor list:"); | |
| 526 for (int index = (list->length()-1); index >= 0; index--) { | |
| 527 MonitorInfo* monitor = list->at(index); | |
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528 tty->print("\t obj\t"); |
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529 if (monitor->owner_is_scalar_replaced()) { |
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530 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass()); |
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531 tty->print("( is scalar replaced %s)", k->external_name()); |
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532 } else if (monitor->owner() == NULL) { |
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533 tty->print("( null )"); |
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534 } else { |
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535 monitor->owner()->print_value(); |
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536 tty->print("(" INTPTR_FORMAT ")", (address)monitor->owner()); |
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537 } |
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538 if (monitor->eliminated() && is_compiled_frame()) |
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539 tty->print(" ( lock is eliminated )"); |
| 0 | 540 tty->cr(); |
| 541 tty->print("\t "); | |
| 542 monitor->lock()->print_on(tty); | |
| 543 tty->cr(); | |
| 544 } | |
| 545 } | |
| 546 | |
| 547 | |
| 548 void javaVFrame::print_value() const { | |
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549 Method* m = method(); |
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550 InstanceKlass* k = m->method_holder(); |
| 0 | 551 tty->print_cr("frame( sp=" INTPTR_FORMAT ", unextended_sp=" INTPTR_FORMAT ", fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT ")", |
| 552 _fr.sp(), _fr.unextended_sp(), _fr.fp(), _fr.pc()); | |
| 6983 | 553 tty->print("%s.%s", k->internal_name(), m->name()->as_C_string()); |
| 0 | 554 |
| 555 if (!m->is_native()) { | |
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556 Symbol* source_name = k->source_file_name(); |
| 0 | 557 int line_number = m->line_number_from_bci(bci()); |
| 558 if (source_name != NULL && (line_number != -1)) { | |
| 559 tty->print("(%s:%d)", source_name->as_C_string(), line_number); | |
| 560 } | |
| 561 } else { | |
| 562 tty->print("(Native Method)"); | |
| 563 } | |
| 564 // Check frame size and print warning if it looks suspiciously large | |
| 565 if (fr().sp() != NULL) { | |
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566 RegisterMap map = *register_map(); |
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567 uint size = fr().frame_size(&map); |
| 0 | 568 #ifdef _LP64 |
| 569 if (size > 8*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
| 570 #else | |
| 571 if (size > 4*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
| 572 #endif | |
| 573 } | |
| 574 } | |
| 575 | |
| 576 | |
| 577 bool javaVFrame::structural_compare(javaVFrame* other) { | |
| 578 // Check static part | |
| 579 if (method() != other->method()) return false; | |
| 580 if (bci() != other->bci()) return false; | |
| 581 | |
| 582 // Check locals | |
| 583 StackValueCollection *locs = locals(); | |
| 584 StackValueCollection *other_locs = other->locals(); | |
| 585 assert(locs->size() == other_locs->size(), "sanity check"); | |
| 586 int i; | |
| 587 for(i = 0; i < locs->size(); i++) { | |
| 588 // it might happen the compiler reports a conflict and | |
| 589 // the interpreter reports a bogus int. | |
| 590 if ( is_compiled_frame() && locs->at(i)->type() == T_CONFLICT) continue; | |
| 591 if (other->is_compiled_frame() && other_locs->at(i)->type() == T_CONFLICT) continue; | |
| 592 | |
| 593 if (!locs->at(i)->equal(other_locs->at(i))) | |
| 594 return false; | |
| 595 } | |
| 596 | |
| 597 // Check expressions | |
| 598 StackValueCollection* exprs = expressions(); | |
| 599 StackValueCollection* other_exprs = other->expressions(); | |
| 600 assert(exprs->size() == other_exprs->size(), "sanity check"); | |
| 601 for(i = 0; i < exprs->size(); i++) { | |
| 602 if (!exprs->at(i)->equal(other_exprs->at(i))) | |
| 603 return false; | |
| 604 } | |
| 605 | |
| 606 return true; | |
| 607 } | |
| 608 | |
| 609 | |
| 610 void javaVFrame::print_activation(int index) const { | |
| 611 // frame number and method | |
| 612 tty->print("%2d - ", index); | |
| 613 ((vframe*)this)->print_value(); | |
| 614 tty->cr(); | |
| 615 | |
| 616 if (WizardMode) { | |
| 617 ((vframe*)this)->print(); | |
| 618 tty->cr(); | |
| 619 } | |
| 620 } | |
| 621 | |
| 622 | |
| 623 void javaVFrame::verify() const { | |
| 624 } | |
| 625 | |
| 626 | |
| 627 void interpretedVFrame::verify() const { | |
| 628 } | |
| 629 | |
| 630 | |
| 631 // ------------- externalVFrame -------------- | |
| 632 | |
| 633 void externalVFrame::print() { | |
| 634 _fr.print_value_on(tty,NULL); | |
| 635 } | |
| 636 | |
| 637 | |
| 638 void externalVFrame::print_value() const { | |
| 639 ((vframe*)this)->print(); | |
| 640 } | |
| 641 #endif // PRODUCT |