Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/vframe.cpp @ 18104:eaf39a954227
Merge with jdk8u25-b17
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Thu, 16 Oct 2014 11:57:39 +0200 |
| parents | 52b4284cb496 |
| children | 1deff4ac56c3 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2014, 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 |
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49 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
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50 |
| 0 | 51 vframe::vframe(const frame* fr, const RegisterMap* reg_map, JavaThread* thread) |
| 52 : _reg_map(reg_map), _thread(thread) { | |
| 53 assert(fr != NULL, "must have frame"); | |
| 54 _fr = *fr; | |
| 55 } | |
| 56 | |
| 57 vframe::vframe(const frame* fr, JavaThread* thread) | |
| 58 : _reg_map(thread), _thread(thread) { | |
| 59 assert(fr != NULL, "must have frame"); | |
| 60 _fr = *fr; | |
| 61 } | |
| 62 | |
| 63 vframe* vframe::new_vframe(const frame* f, const RegisterMap* reg_map, JavaThread* thread) { | |
| 64 // Interpreter frame | |
| 65 if (f->is_interpreted_frame()) { | |
| 66 return new interpretedVFrame(f, reg_map, thread); | |
| 67 } | |
| 68 | |
| 69 // Compiled frame | |
| 70 CodeBlob* cb = f->cb(); | |
| 71 if (cb != NULL) { | |
| 72 if (cb->is_nmethod()) { | |
| 73 nmethod* nm = (nmethod*)cb; | |
| 74 return new compiledVFrame(f, reg_map, thread, nm); | |
| 75 } | |
| 76 | |
| 77 if (f->is_runtime_frame()) { | |
| 78 // Skip this frame and try again. | |
| 79 RegisterMap temp_map = *reg_map; | |
| 80 frame s = f->sender(&temp_map); | |
| 81 return new_vframe(&s, &temp_map, thread); | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 // External frame | |
| 86 return new externalVFrame(f, reg_map, thread); | |
| 87 } | |
| 88 | |
| 89 vframe* vframe::sender() const { | |
| 90 RegisterMap temp_map = *register_map(); | |
| 91 assert(is_top(), "just checking"); | |
| 92 if (_fr.is_entry_frame() && _fr.is_first_frame()) return NULL; | |
| 93 frame s = _fr.real_sender(&temp_map); | |
| 94 if (s.is_first_frame()) return NULL; | |
| 95 return vframe::new_vframe(&s, &temp_map, thread()); | |
| 96 } | |
| 97 | |
| 98 vframe* vframe::top() const { | |
| 99 vframe* vf = (vframe*) this; | |
| 100 while (!vf->is_top()) vf = vf->sender(); | |
| 101 return vf; | |
| 102 } | |
| 103 | |
| 104 | |
| 105 javaVFrame* vframe::java_sender() const { | |
| 106 vframe* f = sender(); | |
| 107 while (f != NULL) { | |
| 108 if (f->is_java_frame()) return javaVFrame::cast(f); | |
| 109 f = f->sender(); | |
| 110 } | |
| 111 return NULL; | |
| 112 } | |
| 113 | |
| 114 // ------------- javaVFrame -------------- | |
| 115 | |
| 116 GrowableArray<MonitorInfo*>* javaVFrame::locked_monitors() { | |
| 117 assert(SafepointSynchronize::is_at_safepoint() || JavaThread::current() == thread(), | |
| 118 "must be at safepoint or it's a java frame of the current thread"); | |
| 119 | |
| 120 GrowableArray<MonitorInfo*>* mons = monitors(); | |
| 121 GrowableArray<MonitorInfo*>* result = new GrowableArray<MonitorInfo*>(mons->length()); | |
| 122 if (mons->is_empty()) return result; | |
| 123 | |
| 124 bool found_first_monitor = false; | |
| 125 ObjectMonitor *pending_monitor = thread()->current_pending_monitor(); | |
| 126 ObjectMonitor *waiting_monitor = thread()->current_waiting_monitor(); | |
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127 oop pending_obj = (pending_monitor != NULL ? (oop) pending_monitor->object() : (oop) NULL); |
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128 oop waiting_obj = (waiting_monitor != NULL ? (oop) waiting_monitor->object() : (oop) NULL); |
| 0 | 129 |
| 130 for (int index = (mons->length()-1); index >= 0; index--) { | |
| 131 MonitorInfo* monitor = mons->at(index); | |
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132 if (monitor->eliminated() && is_compiled_frame()) continue; // skip eliminated monitor |
| 0 | 133 oop obj = monitor->owner(); |
| 134 if (obj == NULL) continue; // skip unowned monitor | |
| 135 // | |
| 136 // Skip the monitor that the thread is blocked to enter or waiting on | |
| 137 // | |
| 138 if (!found_first_monitor && (obj == pending_obj || obj == waiting_obj)) { | |
| 139 continue; | |
| 140 } | |
| 141 found_first_monitor = true; | |
| 142 result->append(monitor); | |
| 143 } | |
| 144 return result; | |
| 145 } | |
| 146 | |
| 147 static void print_locked_object_class_name(outputStream* st, Handle obj, const char* lock_state) { | |
| 148 if (obj.not_null()) { | |
| 149 st->print("\t- %s <" INTPTR_FORMAT "> ", lock_state, (address)obj()); | |
| 1142 | 150 if (obj->klass() == SystemDictionary::Class_klass()) { |
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151 Klass* target_klass = java_lang_Class::as_Klass(obj()); |
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152 st->print_cr("(a java.lang.Class for %s)", InstanceKlass::cast(target_klass)->external_name()); |
| 0 | 153 } else { |
| 6983 | 154 Klass* k = obj->klass(); |
| 0 | 155 st->print_cr("(a %s)", k->external_name()); |
| 156 } | |
| 157 } | |
| 158 } | |
| 159 | |
| 160 void javaVFrame::print_lock_info_on(outputStream* st, int frame_count) { | |
| 161 ResourceMark rm; | |
| 162 | |
| 163 // If this is the first frame, and java.lang.Object.wait(...) then print out the receiver. | |
| 164 if (frame_count == 0) { | |
| 165 if (method()->name() == vmSymbols::wait_name() && | |
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166 method()->method_holder()->name() == vmSymbols::java_lang_Object()) { |
| 0 | 167 StackValueCollection* locs = locals(); |
| 168 if (!locs->is_empty()) { | |
| 169 StackValue* sv = locs->at(0); | |
| 170 if (sv->type() == T_OBJECT) { | |
| 171 Handle o = locs->at(0)->get_obj(); | |
| 172 print_locked_object_class_name(st, o, "waiting on"); | |
| 173 } | |
| 174 } | |
| 175 } else if (thread()->current_park_blocker() != NULL) { | |
| 176 oop obj = thread()->current_park_blocker(); | |
| 6983 | 177 Klass* k = obj->klass(); |
| 0 | 178 st->print_cr("\t- %s <" INTPTR_FORMAT "> (a %s)", "parking to wait for ", (address)obj, k->external_name()); |
| 179 } | |
| 180 } | |
| 181 | |
| 182 | |
| 183 // Print out all monitors that we have locked or are trying to lock | |
| 184 GrowableArray<MonitorInfo*>* mons = monitors(); | |
| 185 if (!mons->is_empty()) { | |
| 186 bool found_first_monitor = false; | |
| 187 for (int index = (mons->length()-1); index >= 0; index--) { | |
| 188 MonitorInfo* monitor = mons->at(index); | |
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189 if (monitor->eliminated() && is_compiled_frame()) { // Eliminated in compiled code |
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190 if (monitor->owner_is_scalar_replaced()) { |
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191 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass()); |
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192 st->print("\t- eliminated <owner is scalar replaced> (a %s)", k->external_name()); |
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193 } else { |
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194 oop obj = monitor->owner(); |
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195 if (obj != NULL) { |
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196 print_locked_object_class_name(st, obj, "eliminated"); |
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197 } |
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198 } |
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199 continue; |
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200 } |
| 0 | 201 if (monitor->owner() != NULL) { |
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202 // the monitor is associated with an object, i.e., it is locked |
| 0 | 203 |
| 204 // First, assume we have the monitor locked. If we haven't found an | |
| 205 // owned monitor before and this is the first frame, then we need to | |
| 206 // see if we have completed the lock or we are blocked trying to | |
| 207 // acquire it - we can only be blocked if the monitor is inflated | |
| 208 | |
| 209 const char *lock_state = "locked"; // assume we have the monitor locked | |
| 210 if (!found_first_monitor && frame_count == 0) { | |
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211 markOop mark = monitor->owner()->mark(); |
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212 if (mark->has_monitor() && |
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213 ( // we have marked ourself as pending on this monitor |
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214 mark->monitor() == thread()->current_pending_monitor() || |
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215 // we are not the owner of this monitor |
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216 !mark->monitor()->is_entered(thread()) |
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217 )) { |
| 0 | 218 lock_state = "waiting to lock"; |
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219 } |
| 0 | 220 } |
| 221 | |
| 222 found_first_monitor = true; | |
| 223 print_locked_object_class_name(st, monitor->owner(), lock_state); | |
| 224 } | |
| 225 } | |
| 226 } | |
| 227 } | |
| 228 | |
| 229 // ------------- interpretedVFrame -------------- | |
| 230 | |
| 231 u_char* interpretedVFrame::bcp() const { | |
| 232 return fr().interpreter_frame_bcp(); | |
| 233 } | |
| 234 | |
| 235 void interpretedVFrame::set_bcp(u_char* bcp) { | |
| 236 fr().interpreter_frame_set_bcp(bcp); | |
| 237 } | |
| 238 | |
| 239 intptr_t* interpretedVFrame::locals_addr_at(int offset) const { | |
| 240 assert(fr().is_interpreted_frame(), "frame should be an interpreted frame"); | |
| 241 return fr().interpreter_frame_local_at(offset); | |
| 242 } | |
| 243 | |
| 244 | |
| 245 GrowableArray<MonitorInfo*>* interpretedVFrame::monitors() const { | |
| 246 GrowableArray<MonitorInfo*>* result = new GrowableArray<MonitorInfo*>(5); | |
| 247 for (BasicObjectLock* current = (fr().previous_monitor_in_interpreter_frame(fr().interpreter_frame_monitor_begin())); | |
| 248 current >= fr().interpreter_frame_monitor_end(); | |
| 249 current = fr().previous_monitor_in_interpreter_frame(current)) { | |
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250 result->push(new MonitorInfo(current->obj(), current->lock(), false, false)); |
| 0 | 251 } |
| 252 return result; | |
| 253 } | |
| 254 | |
| 255 int interpretedVFrame::bci() const { | |
| 256 return method()->bci_from(bcp()); | |
| 257 } | |
| 258 | |
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259 Method* interpretedVFrame::method() const { |
| 0 | 260 return fr().interpreter_frame_method(); |
| 261 } | |
| 262 | |
| 263 StackValueCollection* interpretedVFrame::locals() const { | |
| 264 int length = method()->max_locals(); | |
| 265 | |
| 266 if (method()->is_native()) { | |
| 267 // If the method is native, max_locals is not telling the truth. | |
| 268 // maxlocals then equals the size of parameters | |
| 269 length = method()->size_of_parameters(); | |
| 270 } | |
| 271 | |
| 272 StackValueCollection* result = new StackValueCollection(length); | |
| 273 | |
| 274 // Get oopmap describing oops and int for current bci | |
| 1506 | 275 InterpreterOopMap oop_mask; |
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276 if ((TraceDeoptimization && Verbose) GRAAL_ONLY( || PrintDeoptimizationDetails)) { |
| 1506 | 277 methodHandle m_h(thread(), method()); |
| 278 OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask); | |
| 0 | 279 } else { |
| 1506 | 280 method()->mask_for(bci(), &oop_mask); |
| 281 } | |
| 282 // handle locals | |
| 283 for(int i=0; i < length; i++) { | |
| 284 // Find stack location | |
| 285 intptr_t *addr = locals_addr_at(i); | |
| 0 | 286 |
| 1506 | 287 // Depending on oop/int put it in the right package |
| 288 StackValue *sv; | |
| 289 if (oop_mask.is_oop(i)) { | |
| 290 // oop value | |
| 291 Handle h(*(oop *)addr); | |
| 292 sv = new StackValue(h); | |
| 293 } else { | |
| 294 // integer | |
| 295 sv = new StackValue(*addr); | |
| 0 | 296 } |
| 1506 | 297 assert(sv != NULL, "sanity check"); |
| 298 result->add(sv); | |
| 0 | 299 } |
| 300 return result; | |
| 301 } | |
| 302 | |
| 303 void interpretedVFrame::set_locals(StackValueCollection* values) const { | |
| 304 if (values == NULL || values->size() == 0) return; | |
| 305 | |
| 306 int length = method()->max_locals(); | |
| 307 if (method()->is_native()) { | |
| 308 // If the method is native, max_locals is not telling the truth. | |
| 309 // maxlocals then equals the size of parameters | |
| 310 length = method()->size_of_parameters(); | |
| 311 } | |
| 312 | |
| 313 assert(length == values->size(), "Mismatch between actual stack format and supplied data"); | |
| 314 | |
| 315 // handle locals | |
| 316 for (int i = 0; i < length; i++) { | |
| 317 // Find stack location | |
| 318 intptr_t *addr = locals_addr_at(i); | |
| 319 | |
| 320 // Depending on oop/int put it in the right package | |
| 321 StackValue *sv = values->at(i); | |
| 322 assert(sv != NULL, "sanity check"); | |
| 323 if (sv->type() == T_OBJECT) { | |
| 324 *(oop *) addr = (sv->get_obj())(); | |
| 325 } else { // integer | |
| 326 *addr = sv->get_int(); | |
| 327 } | |
| 328 } | |
| 329 } | |
| 330 | |
| 331 StackValueCollection* interpretedVFrame::expressions() const { | |
| 332 int length = fr().interpreter_frame_expression_stack_size(); | |
| 333 if (method()->is_native()) { | |
| 334 // If the method is native, there is no expression stack | |
| 335 length = 0; | |
| 336 } | |
| 337 | |
| 338 int nof_locals = method()->max_locals(); | |
| 339 StackValueCollection* result = new StackValueCollection(length); | |
| 340 | |
| 1506 | 341 InterpreterOopMap oop_mask; |
| 342 // Get oopmap describing oops and int for current bci | |
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343 if ((TraceDeoptimization && Verbose) GRAAL_ONLY( || PrintDeoptimizationDetails)) { |
| 1506 | 344 methodHandle m_h(method()); |
| 345 OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask); | |
| 0 | 346 } else { |
| 1506 | 347 method()->mask_for(bci(), &oop_mask); |
| 348 } | |
| 349 // handle expressions | |
| 350 for(int i=0; i < length; i++) { | |
| 351 // Find stack location | |
| 352 intptr_t *addr = fr().interpreter_frame_expression_stack_at(i); | |
| 0 | 353 |
| 1506 | 354 // Depending on oop/int put it in the right package |
| 355 StackValue *sv; | |
| 356 if (oop_mask.is_oop(i + nof_locals)) { | |
| 357 // oop value | |
| 358 Handle h(*(oop *)addr); | |
| 359 sv = new StackValue(h); | |
| 360 } else { | |
| 361 // integer | |
| 362 sv = new StackValue(*addr); | |
| 0 | 363 } |
| 1506 | 364 assert(sv != NULL, "sanity check"); |
| 365 result->add(sv); | |
| 0 | 366 } |
| 367 return result; | |
| 368 } | |
| 369 | |
| 370 | |
| 371 // ------------- cChunk -------------- | |
| 372 | |
| 373 entryVFrame::entryVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread) | |
| 374 : externalVFrame(fr, reg_map, thread) {} | |
| 375 | |
| 376 | |
| 377 void vframeStreamCommon::found_bad_method_frame() { | |
| 378 // 6379830 Cut point for an assertion that occasionally fires when | |
| 379 // we are using the performance analyzer. | |
| 380 // Disable this assert when testing the analyzer with fastdebug. | |
| 381 // -XX:SuppressErrorAt=vframe.cpp:XXX (XXX=following line number) | |
| 382 assert(false, "invalid bci or invalid scope desc"); | |
| 383 } | |
| 384 | |
| 385 // top-frame will be skipped | |
| 386 vframeStream::vframeStream(JavaThread* thread, frame top_frame, | |
| 387 bool stop_at_java_call_stub) : vframeStreamCommon(thread) { | |
| 388 _stop_at_java_call_stub = stop_at_java_call_stub; | |
| 389 | |
| 390 // skip top frame, as it may not be at safepoint | |
| 391 _frame = top_frame.sender(&_reg_map); | |
| 392 while (!fill_from_frame()) { | |
| 393 _frame = _frame.sender(&_reg_map); | |
| 394 } | |
| 395 } | |
| 396 | |
| 397 | |
| 398 // Step back n frames, skip any pseudo frames in between. | |
| 399 // This function is used in Class.forName, Class.newInstance, Method.Invoke, | |
| 400 // AccessController.doPrivileged. | |
| 401 void vframeStreamCommon::security_get_caller_frame(int depth) { | |
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402 assert(depth >= 0, err_msg("invalid depth: %d", depth)); |
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403 for (int n = 0; !at_end(); security_next()) { |
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404 if (!method()->is_ignored_by_security_stack_walk()) { |
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405 if (n == depth) { |
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406 // We have reached the desired depth; return. |
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407 return; |
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408 } |
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409 n++; // this is a non-skipped frame; count it against the depth |
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410 } |
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411 } |
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412 // NOTE: At this point there were not enough frames on the stack |
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413 // to walk to depth. Callers of this method have to check for at_end. |
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414 } |
| 0 | 415 |
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416 |
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417 void vframeStreamCommon::security_next() { |
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418 if (method()->is_prefixed_native()) { |
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419 skip_prefixed_method_and_wrappers(); // calls next() |
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420 } else { |
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421 next(); |
| 0 | 422 } |
| 423 } | |
| 424 | |
| 425 | |
| 426 void vframeStreamCommon::skip_prefixed_method_and_wrappers() { | |
| 427 ResourceMark rm; | |
| 428 HandleMark hm; | |
| 429 | |
| 430 int method_prefix_count = 0; | |
| 431 char** method_prefixes = JvmtiExport::get_all_native_method_prefixes(&method_prefix_count); | |
| 432 KlassHandle prefixed_klass(method()->method_holder()); | |
| 433 const char* prefixed_name = method()->name()->as_C_string(); | |
| 434 size_t prefixed_name_len = strlen(prefixed_name); | |
| 435 int prefix_index = method_prefix_count-1; | |
| 436 | |
| 437 while (!at_end()) { | |
| 438 next(); | |
| 439 if (method()->method_holder() != prefixed_klass()) { | |
| 440 break; // classes don't match, can't be a wrapper | |
| 441 } | |
| 442 const char* name = method()->name()->as_C_string(); | |
| 443 size_t name_len = strlen(name); | |
| 444 size_t prefix_len = prefixed_name_len - name_len; | |
| 445 if (prefix_len <= 0 || strcmp(name, prefixed_name + prefix_len) != 0) { | |
| 446 break; // prefixed name isn't prefixed version of method name, can't be a wrapper | |
| 447 } | |
| 448 for (; prefix_index >= 0; --prefix_index) { | |
| 449 const char* possible_prefix = method_prefixes[prefix_index]; | |
| 450 size_t possible_prefix_len = strlen(possible_prefix); | |
| 451 if (possible_prefix_len == prefix_len && | |
| 452 strncmp(possible_prefix, prefixed_name, prefix_len) == 0) { | |
| 453 break; // matching prefix found | |
| 454 } | |
| 455 } | |
| 456 if (prefix_index < 0) { | |
| 457 break; // didn't find the prefix, can't be a wrapper | |
| 458 } | |
| 459 prefixed_name = name; | |
| 460 prefixed_name_len = name_len; | |
| 461 } | |
| 462 } | |
| 463 | |
| 464 | |
| 465 void vframeStreamCommon::skip_reflection_related_frames() { | |
| 466 while (!at_end() && | |
| 467 (JDK_Version::is_gte_jdk14x_version() && UseNewReflection && | |
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468 (method()->method_holder()->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass()) || |
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469 method()->method_holder()->is_subclass_of(SystemDictionary::reflect_ConstructorAccessorImpl_klass())))) { |
| 0 | 470 next(); |
| 471 } | |
| 472 } | |
| 473 | |
| 474 | |
| 475 #ifndef PRODUCT | |
| 476 void vframe::print() { | |
| 477 if (WizardMode) _fr.print_value_on(tty,NULL); | |
| 478 } | |
| 479 | |
| 480 | |
| 481 void vframe::print_value() const { | |
| 482 ((vframe*)this)->print(); | |
| 483 } | |
| 484 | |
| 485 | |
| 486 void entryVFrame::print_value() const { | |
| 487 ((entryVFrame*)this)->print(); | |
| 488 } | |
| 489 | |
| 490 void entryVFrame::print() { | |
| 491 vframe::print(); | |
| 492 tty->print_cr("C Chunk inbetween Java"); | |
| 493 tty->print_cr("C link " INTPTR_FORMAT, _fr.link()); | |
| 494 } | |
| 495 | |
| 496 | |
| 497 // ------------- javaVFrame -------------- | |
| 498 | |
| 499 static void print_stack_values(const char* title, StackValueCollection* values) { | |
| 500 if (values->is_empty()) return; | |
| 501 tty->print_cr("\t%s:", title); | |
| 502 values->print(); | |
| 503 } | |
| 504 | |
| 505 | |
| 506 void javaVFrame::print() { | |
| 507 ResourceMark rm; | |
| 508 vframe::print(); | |
| 509 tty->print("\t"); | |
| 510 method()->print_value(); | |
| 511 tty->cr(); | |
| 512 tty->print_cr("\tbci: %d", bci()); | |
| 513 | |
| 514 print_stack_values("locals", locals()); | |
| 515 print_stack_values("expressions", expressions()); | |
| 516 | |
| 517 GrowableArray<MonitorInfo*>* list = monitors(); | |
| 518 if (list->is_empty()) return; | |
| 519 tty->print_cr("\tmonitor list:"); | |
| 520 for (int index = (list->length()-1); index >= 0; index--) { | |
| 521 MonitorInfo* monitor = list->at(index); | |
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522 tty->print("\t obj\t"); |
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523 if (monitor->owner_is_scalar_replaced()) { |
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524 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass()); |
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525 tty->print("( is scalar replaced %s)", k->external_name()); |
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526 } else if (monitor->owner() == NULL) { |
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527 tty->print("( null )"); |
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528 } else { |
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529 monitor->owner()->print_value(); |
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530 tty->print("(" INTPTR_FORMAT ")", (address)monitor->owner()); |
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531 } |
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532 if (monitor->eliminated() && is_compiled_frame()) |
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533 tty->print(" ( lock is eliminated )"); |
| 0 | 534 tty->cr(); |
| 535 tty->print("\t "); | |
| 536 monitor->lock()->print_on(tty); | |
| 537 tty->cr(); | |
| 538 } | |
| 539 } | |
| 540 | |
| 541 | |
| 542 void javaVFrame::print_value() const { | |
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543 Method* m = method(); |
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544 InstanceKlass* k = m->method_holder(); |
| 0 | 545 tty->print_cr("frame( sp=" INTPTR_FORMAT ", unextended_sp=" INTPTR_FORMAT ", fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT ")", |
| 546 _fr.sp(), _fr.unextended_sp(), _fr.fp(), _fr.pc()); | |
| 6983 | 547 tty->print("%s.%s", k->internal_name(), m->name()->as_C_string()); |
| 0 | 548 |
| 549 if (!m->is_native()) { | |
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550 Symbol* source_name = k->source_file_name(); |
| 0 | 551 int line_number = m->line_number_from_bci(bci()); |
| 552 if (source_name != NULL && (line_number != -1)) { | |
| 553 tty->print("(%s:%d)", source_name->as_C_string(), line_number); | |
| 554 } | |
| 555 } else { | |
| 556 tty->print("(Native Method)"); | |
| 557 } | |
| 558 // Check frame size and print warning if it looks suspiciously large | |
| 559 if (fr().sp() != NULL) { | |
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560 RegisterMap map = *register_map(); |
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561 uint size = fr().frame_size(&map); |
| 0 | 562 #ifdef _LP64 |
| 563 if (size > 8*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
| 564 #else | |
| 565 if (size > 4*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
| 566 #endif | |
| 567 } | |
| 568 } | |
| 569 | |
| 570 | |
| 571 bool javaVFrame::structural_compare(javaVFrame* other) { | |
| 572 // Check static part | |
| 573 if (method() != other->method()) return false; | |
| 574 if (bci() != other->bci()) return false; | |
| 575 | |
| 576 // Check locals | |
| 577 StackValueCollection *locs = locals(); | |
| 578 StackValueCollection *other_locs = other->locals(); | |
| 579 assert(locs->size() == other_locs->size(), "sanity check"); | |
| 580 int i; | |
| 581 for(i = 0; i < locs->size(); i++) { | |
| 582 // it might happen the compiler reports a conflict and | |
| 583 // the interpreter reports a bogus int. | |
| 584 if ( is_compiled_frame() && locs->at(i)->type() == T_CONFLICT) continue; | |
| 585 if (other->is_compiled_frame() && other_locs->at(i)->type() == T_CONFLICT) continue; | |
| 586 | |
| 587 if (!locs->at(i)->equal(other_locs->at(i))) | |
| 588 return false; | |
| 589 } | |
| 590 | |
| 591 // Check expressions | |
| 592 StackValueCollection* exprs = expressions(); | |
| 593 StackValueCollection* other_exprs = other->expressions(); | |
| 594 assert(exprs->size() == other_exprs->size(), "sanity check"); | |
| 595 for(i = 0; i < exprs->size(); i++) { | |
| 596 if (!exprs->at(i)->equal(other_exprs->at(i))) | |
| 597 return false; | |
| 598 } | |
| 599 | |
| 600 return true; | |
| 601 } | |
| 602 | |
| 603 | |
| 604 void javaVFrame::print_activation(int index) const { | |
| 605 // frame number and method | |
| 606 tty->print("%2d - ", index); | |
| 607 ((vframe*)this)->print_value(); | |
| 608 tty->cr(); | |
| 609 | |
| 610 if (WizardMode) { | |
| 611 ((vframe*)this)->print(); | |
| 612 tty->cr(); | |
| 613 } | |
| 614 } | |
| 615 | |
| 616 | |
| 617 void javaVFrame::verify() const { | |
| 618 } | |
| 619 | |
| 620 | |
| 621 void interpretedVFrame::verify() const { | |
| 622 } | |
| 623 | |
| 624 | |
| 625 // ------------- externalVFrame -------------- | |
| 626 | |
| 627 void externalVFrame::print() { | |
| 628 _fr.print_value_on(tty,NULL); | |
| 629 } | |
| 630 | |
| 631 | |
| 632 void externalVFrame::print_value() const { | |
| 633 ((vframe*)this)->print(); | |
| 634 } | |
| 635 #endif // PRODUCT |