Mercurial > hg > graal-jvmci-8
annotate src/share/vm/runtime/vframe.cpp @ 1966:4110c3e0c50d
Merge
author | iveresov |
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date | Fri, 19 Nov 2010 17:01:34 -0800 |
parents | c18cbe5936b8 |
children | 1aa5b22a7716 f95d63e2154a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 # 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(); | |
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104 oop pending_obj = (pending_monitor != NULL ? (oop) pending_monitor->object() : (oop) NULL); |
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105 oop waiting_obj = (waiting_monitor != NULL ? (oop) waiting_monitor->object() : (oop) NULL); |
0 | 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()); | |
1142 | 127 if (obj->klass() == SystemDictionary::Class_klass()) { |
0 | 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 | |
1506 | 247 InterpreterOopMap oop_mask; |
248 if (TraceDeoptimization && Verbose) { | |
249 methodHandle m_h(thread(), method()); | |
250 OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask); | |
0 | 251 } else { |
1506 | 252 method()->mask_for(bci(), &oop_mask); |
253 } | |
254 // handle locals | |
255 for(int i=0; i < length; i++) { | |
256 // Find stack location | |
257 intptr_t *addr = locals_addr_at(i); | |
0 | 258 |
1506 | 259 // Depending on oop/int put it in the right package |
260 StackValue *sv; | |
261 if (oop_mask.is_oop(i)) { | |
262 // oop value | |
263 Handle h(*(oop *)addr); | |
264 sv = new StackValue(h); | |
265 } else { | |
266 // integer | |
267 sv = new StackValue(*addr); | |
0 | 268 } |
1506 | 269 assert(sv != NULL, "sanity check"); |
270 result->add(sv); | |
0 | 271 } |
272 return result; | |
273 } | |
274 | |
275 void interpretedVFrame::set_locals(StackValueCollection* values) const { | |
276 if (values == NULL || values->size() == 0) return; | |
277 | |
278 int length = method()->max_locals(); | |
279 if (method()->is_native()) { | |
280 // If the method is native, max_locals is not telling the truth. | |
281 // maxlocals then equals the size of parameters | |
282 length = method()->size_of_parameters(); | |
283 } | |
284 | |
285 assert(length == values->size(), "Mismatch between actual stack format and supplied data"); | |
286 | |
287 // handle locals | |
288 for (int i = 0; i < length; i++) { | |
289 // Find stack location | |
290 intptr_t *addr = locals_addr_at(i); | |
291 | |
292 // Depending on oop/int put it in the right package | |
293 StackValue *sv = values->at(i); | |
294 assert(sv != NULL, "sanity check"); | |
295 if (sv->type() == T_OBJECT) { | |
296 *(oop *) addr = (sv->get_obj())(); | |
297 } else { // integer | |
298 *addr = sv->get_int(); | |
299 } | |
300 } | |
301 } | |
302 | |
303 StackValueCollection* interpretedVFrame::expressions() const { | |
304 int length = fr().interpreter_frame_expression_stack_size(); | |
305 if (method()->is_native()) { | |
306 // If the method is native, there is no expression stack | |
307 length = 0; | |
308 } | |
309 | |
310 int nof_locals = method()->max_locals(); | |
311 StackValueCollection* result = new StackValueCollection(length); | |
312 | |
1506 | 313 InterpreterOopMap oop_mask; |
314 // Get oopmap describing oops and int for current bci | |
315 if (TraceDeoptimization && Verbose) { | |
316 methodHandle m_h(method()); | |
317 OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask); | |
0 | 318 } else { |
1506 | 319 method()->mask_for(bci(), &oop_mask); |
320 } | |
321 // handle expressions | |
322 for(int i=0; i < length; i++) { | |
323 // Find stack location | |
324 intptr_t *addr = fr().interpreter_frame_expression_stack_at(i); | |
0 | 325 |
1506 | 326 // Depending on oop/int put it in the right package |
327 StackValue *sv; | |
328 if (oop_mask.is_oop(i + nof_locals)) { | |
329 // oop value | |
330 Handle h(*(oop *)addr); | |
331 sv = new StackValue(h); | |
332 } else { | |
333 // integer | |
334 sv = new StackValue(*addr); | |
0 | 335 } |
1506 | 336 assert(sv != NULL, "sanity check"); |
337 result->add(sv); | |
0 | 338 } |
339 return result; | |
340 } | |
341 | |
342 | |
343 // ------------- cChunk -------------- | |
344 | |
345 entryVFrame::entryVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread) | |
346 : externalVFrame(fr, reg_map, thread) {} | |
347 | |
348 | |
349 void vframeStreamCommon::found_bad_method_frame() { | |
350 // 6379830 Cut point for an assertion that occasionally fires when | |
351 // we are using the performance analyzer. | |
352 // Disable this assert when testing the analyzer with fastdebug. | |
353 // -XX:SuppressErrorAt=vframe.cpp:XXX (XXX=following line number) | |
354 assert(false, "invalid bci or invalid scope desc"); | |
355 } | |
356 | |
357 // top-frame will be skipped | |
358 vframeStream::vframeStream(JavaThread* thread, frame top_frame, | |
359 bool stop_at_java_call_stub) : vframeStreamCommon(thread) { | |
360 _stop_at_java_call_stub = stop_at_java_call_stub; | |
361 | |
362 // skip top frame, as it may not be at safepoint | |
363 _frame = top_frame.sender(&_reg_map); | |
364 while (!fill_from_frame()) { | |
365 _frame = _frame.sender(&_reg_map); | |
366 } | |
367 } | |
368 | |
369 | |
370 // Step back n frames, skip any pseudo frames in between. | |
371 // This function is used in Class.forName, Class.newInstance, Method.Invoke, | |
372 // AccessController.doPrivileged. | |
373 // | |
374 // NOTE that in JDK 1.4 this has been exposed to Java as | |
375 // sun.reflect.Reflection.getCallerClass(), which can be inlined. | |
376 // Inlined versions must match this routine's logic. | |
377 // Native method prefixing logic does not need to match since | |
378 // the method names don't match and inlining will not occur. | |
379 // See, for example, | |
380 // Parse::inline_native_Reflection_getCallerClass in | |
381 // opto/library_call.cpp. | |
382 void vframeStreamCommon::security_get_caller_frame(int depth) { | |
383 bool use_new_reflection = JDK_Version::is_gte_jdk14x_version() && UseNewReflection; | |
384 | |
385 while (!at_end()) { | |
386 if (Universe::reflect_invoke_cache()->is_same_method(method())) { | |
387 // This is Method.invoke() -- skip it | |
388 } else if (use_new_reflection && | |
389 Klass::cast(method()->method_holder()) | |
1142 | 390 ->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass())) { |
0 | 391 // This is an auxilary frame -- skip it |
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392 } else if (method()->is_method_handle_adapter()) { |
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393 // This is an internal adapter frame from the MethodHandleCompiler -- skip it |
0 | 394 } else { |
395 // This is non-excluded frame, we need to count it against the depth | |
396 if (depth-- <= 0) { | |
397 // we have reached the desired depth, we are done | |
398 break; | |
399 } | |
400 } | |
401 if (method()->is_prefixed_native()) { | |
402 skip_prefixed_method_and_wrappers(); | |
403 } else { | |
404 next(); | |
405 } | |
406 } | |
407 } | |
408 | |
409 | |
410 void vframeStreamCommon::skip_prefixed_method_and_wrappers() { | |
411 ResourceMark rm; | |
412 HandleMark hm; | |
413 | |
414 int method_prefix_count = 0; | |
415 char** method_prefixes = JvmtiExport::get_all_native_method_prefixes(&method_prefix_count); | |
416 KlassHandle prefixed_klass(method()->method_holder()); | |
417 const char* prefixed_name = method()->name()->as_C_string(); | |
418 size_t prefixed_name_len = strlen(prefixed_name); | |
419 int prefix_index = method_prefix_count-1; | |
420 | |
421 while (!at_end()) { | |
422 next(); | |
423 if (method()->method_holder() != prefixed_klass()) { | |
424 break; // classes don't match, can't be a wrapper | |
425 } | |
426 const char* name = method()->name()->as_C_string(); | |
427 size_t name_len = strlen(name); | |
428 size_t prefix_len = prefixed_name_len - name_len; | |
429 if (prefix_len <= 0 || strcmp(name, prefixed_name + prefix_len) != 0) { | |
430 break; // prefixed name isn't prefixed version of method name, can't be a wrapper | |
431 } | |
432 for (; prefix_index >= 0; --prefix_index) { | |
433 const char* possible_prefix = method_prefixes[prefix_index]; | |
434 size_t possible_prefix_len = strlen(possible_prefix); | |
435 if (possible_prefix_len == prefix_len && | |
436 strncmp(possible_prefix, prefixed_name, prefix_len) == 0) { | |
437 break; // matching prefix found | |
438 } | |
439 } | |
440 if (prefix_index < 0) { | |
441 break; // didn't find the prefix, can't be a wrapper | |
442 } | |
443 prefixed_name = name; | |
444 prefixed_name_len = name_len; | |
445 } | |
446 } | |
447 | |
448 | |
449 void vframeStreamCommon::skip_reflection_related_frames() { | |
450 while (!at_end() && | |
451 (JDK_Version::is_gte_jdk14x_version() && UseNewReflection && | |
1142 | 452 (Klass::cast(method()->method_holder())->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass()) || |
453 Klass::cast(method()->method_holder())->is_subclass_of(SystemDictionary::reflect_ConstructorAccessorImpl_klass())))) { | |
0 | 454 next(); |
455 } | |
456 } | |
457 | |
458 | |
459 #ifndef PRODUCT | |
460 void vframe::print() { | |
461 if (WizardMode) _fr.print_value_on(tty,NULL); | |
462 } | |
463 | |
464 | |
465 void vframe::print_value() const { | |
466 ((vframe*)this)->print(); | |
467 } | |
468 | |
469 | |
470 void entryVFrame::print_value() const { | |
471 ((entryVFrame*)this)->print(); | |
472 } | |
473 | |
474 void entryVFrame::print() { | |
475 vframe::print(); | |
476 tty->print_cr("C Chunk inbetween Java"); | |
477 tty->print_cr("C link " INTPTR_FORMAT, _fr.link()); | |
478 } | |
479 | |
480 | |
481 // ------------- javaVFrame -------------- | |
482 | |
483 static void print_stack_values(const char* title, StackValueCollection* values) { | |
484 if (values->is_empty()) return; | |
485 tty->print_cr("\t%s:", title); | |
486 values->print(); | |
487 } | |
488 | |
489 | |
490 void javaVFrame::print() { | |
491 ResourceMark rm; | |
492 vframe::print(); | |
493 tty->print("\t"); | |
494 method()->print_value(); | |
495 tty->cr(); | |
496 tty->print_cr("\tbci: %d", bci()); | |
497 | |
498 print_stack_values("locals", locals()); | |
499 print_stack_values("expressions", expressions()); | |
500 | |
501 GrowableArray<MonitorInfo*>* list = monitors(); | |
502 if (list->is_empty()) return; | |
503 tty->print_cr("\tmonitor list:"); | |
504 for (int index = (list->length()-1); index >= 0; index--) { | |
505 MonitorInfo* monitor = list->at(index); | |
818
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506 tty->print("\t obj\t"); |
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507 if (monitor->owner_is_scalar_replaced()) { |
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508 Klass* k = Klass::cast(monitor->owner_klass()); |
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509 tty->print("( is scalar replaced %s)", k->external_name()); |
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510 } else if (monitor->owner() == NULL) { |
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511 tty->print("( null )"); |
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512 } else { |
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513 monitor->owner()->print_value(); |
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514 tty->print("(" INTPTR_FORMAT ")", (address)monitor->owner()); |
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515 } |
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516 if (monitor->eliminated() && is_compiled_frame()) |
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517 tty->print(" ( lock is eliminated )"); |
0 | 518 tty->cr(); |
519 tty->print("\t "); | |
520 monitor->lock()->print_on(tty); | |
521 tty->cr(); | |
522 } | |
523 } | |
524 | |
525 | |
526 void javaVFrame::print_value() const { | |
527 methodOop m = method(); | |
528 klassOop k = m->method_holder(); | |
529 tty->print_cr("frame( sp=" INTPTR_FORMAT ", unextended_sp=" INTPTR_FORMAT ", fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT ")", | |
530 _fr.sp(), _fr.unextended_sp(), _fr.fp(), _fr.pc()); | |
531 tty->print("%s.%s", Klass::cast(k)->internal_name(), m->name()->as_C_string()); | |
532 | |
533 if (!m->is_native()) { | |
534 symbolOop source_name = instanceKlass::cast(k)->source_file_name(); | |
535 int line_number = m->line_number_from_bci(bci()); | |
536 if (source_name != NULL && (line_number != -1)) { | |
537 tty->print("(%s:%d)", source_name->as_C_string(), line_number); | |
538 } | |
539 } else { | |
540 tty->print("(Native Method)"); | |
541 } | |
542 // Check frame size and print warning if it looks suspiciously large | |
543 if (fr().sp() != NULL) { | |
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544 RegisterMap map = *register_map(); |
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545 uint size = fr().frame_size(&map); |
0 | 546 #ifdef _LP64 |
547 if (size > 8*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
548 #else | |
549 if (size > 4*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
550 #endif | |
551 } | |
552 } | |
553 | |
554 | |
555 bool javaVFrame::structural_compare(javaVFrame* other) { | |
556 // Check static part | |
557 if (method() != other->method()) return false; | |
558 if (bci() != other->bci()) return false; | |
559 | |
560 // Check locals | |
561 StackValueCollection *locs = locals(); | |
562 StackValueCollection *other_locs = other->locals(); | |
563 assert(locs->size() == other_locs->size(), "sanity check"); | |
564 int i; | |
565 for(i = 0; i < locs->size(); i++) { | |
566 // it might happen the compiler reports a conflict and | |
567 // the interpreter reports a bogus int. | |
568 if ( is_compiled_frame() && locs->at(i)->type() == T_CONFLICT) continue; | |
569 if (other->is_compiled_frame() && other_locs->at(i)->type() == T_CONFLICT) continue; | |
570 | |
571 if (!locs->at(i)->equal(other_locs->at(i))) | |
572 return false; | |
573 } | |
574 | |
575 // Check expressions | |
576 StackValueCollection* exprs = expressions(); | |
577 StackValueCollection* other_exprs = other->expressions(); | |
578 assert(exprs->size() == other_exprs->size(), "sanity check"); | |
579 for(i = 0; i < exprs->size(); i++) { | |
580 if (!exprs->at(i)->equal(other_exprs->at(i))) | |
581 return false; | |
582 } | |
583 | |
584 return true; | |
585 } | |
586 | |
587 | |
588 void javaVFrame::print_activation(int index) const { | |
589 // frame number and method | |
590 tty->print("%2d - ", index); | |
591 ((vframe*)this)->print_value(); | |
592 tty->cr(); | |
593 | |
594 if (WizardMode) { | |
595 ((vframe*)this)->print(); | |
596 tty->cr(); | |
597 } | |
598 } | |
599 | |
600 | |
601 void javaVFrame::verify() const { | |
602 } | |
603 | |
604 | |
605 void interpretedVFrame::verify() const { | |
606 } | |
607 | |
608 | |
609 // ------------- externalVFrame -------------- | |
610 | |
611 void externalVFrame::print() { | |
612 _fr.print_value_on(tty,NULL); | |
613 } | |
614 | |
615 | |
616 void externalVFrame::print_value() const { | |
617 ((vframe*)this)->print(); | |
618 } | |
619 #endif // PRODUCT |