Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/vframe.cpp @ 20804:7848fc12602b
Merge with jdk8u40-b25
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Tue, 07 Apr 2015 14:58:49 +0200 |
parents | 1deff4ac56c3 c204e2044c29 |
children | 6ee9b878902b |
rev | line source |
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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 | |
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263 static StackValue* create_stack_value_from_oop_map(const InterpreterOopMap& oop_mask, |
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264 int index, |
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265 const intptr_t* const addr) { |
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266 |
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267 assert(index >= 0 && |
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268 index < oop_mask.number_of_entries(), "invariant"); |
0 | 269 |
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270 // categorize using oop_mask |
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271 if (oop_mask.is_oop(index)) { |
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272 // reference (oop) "r" |
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273 Handle h(addr != NULL ? (*(oop*)addr) : (oop)NULL); |
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274 return new StackValue(h); |
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275 } |
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276 // value (integer) "v" |
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277 return new StackValue(addr != NULL ? *addr : 0); |
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278 } |
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279 |
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280 static bool is_in_expression_stack(const frame& fr, const intptr_t* const addr) { |
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281 assert(addr != NULL, "invariant"); |
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282 |
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283 // Ensure to be 'inside' the expresion stack (i.e., addr >= sp for Intel). |
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284 // In case of exceptions, the expression stack is invalid and the sp |
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285 // will be reset to express this condition. |
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286 if (frame::interpreter_frame_expression_stack_direction() > 0) { |
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287 return addr <= fr.interpreter_frame_tos_address(); |
0 | 288 } |
289 | |
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290 return addr >= fr.interpreter_frame_tos_address(); |
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291 } |
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292 |
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293 static void stack_locals(StackValueCollection* result, |
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294 int length, |
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295 const InterpreterOopMap& oop_mask, |
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296 const frame& fr) { |
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297 |
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298 assert(result != NULL, "invariant"); |
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299 |
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300 for (int i = 0; i < length; ++i) { |
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301 const intptr_t* const addr = fr.interpreter_frame_local_at(i); |
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302 assert(addr != NULL, "invariant"); |
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303 assert(addr >= fr.sp(), "must be inside the frame"); |
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304 |
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305 StackValue* const sv = create_stack_value_from_oop_map(oop_mask, i, addr); |
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306 assert(sv != NULL, "sanity check"); |
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307 |
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308 result->add(sv); |
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309 } |
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310 } |
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311 |
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312 static void stack_expressions(StackValueCollection* result, |
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313 int length, |
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314 int max_locals, |
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315 const InterpreterOopMap& oop_mask, |
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316 const frame& fr) { |
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317 |
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318 assert(result != NULL, "invariant"); |
0 | 319 |
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320 for (int i = 0; i < length; ++i) { |
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321 const intptr_t* addr = fr.interpreter_frame_expression_stack_at(i); |
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322 assert(addr != NULL, "invariant"); |
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323 if (!is_in_expression_stack(fr, addr)) { |
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324 // Need to ensure no bogus escapes. |
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325 addr = NULL; |
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326 } |
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327 |
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328 StackValue* const sv = create_stack_value_from_oop_map(oop_mask, |
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329 i + max_locals, |
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330 |
0 | 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 } | |
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337 |
0 | 338 int nof_locals = method()->max_locals(); |
339 StackValueCollection* result = new StackValueCollection(length); | |
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340 |
1506 | 341 InterpreterOopMap oop_mask; |
342 // Get oopmap describing oops and int for current bci | |
343 if (TraceDeoptimization && Verbose) { | |
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); | |
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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 } | |
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369 |
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370 // For our purposes, max locals instead equals the size of parameters. |
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371 const int max_locals = method()->is_native() ? |
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372 method()->size_of_parameters() : method()->max_locals(); |
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373 |
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374 assert(mask_len >= max_locals, "invariant"); |
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375 |
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376 const int length = expressions ? mask_len - max_locals : max_locals; |
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377 assert(length >= 0, "invariant"); |
0 | 378 |
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379 StackValueCollection* const result = new StackValueCollection(length); |
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380 |
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381 if (0 == length) { |
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382 return result; |
0 | 383 } |
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384 |
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385 if (expressions) { |
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386 stack_expressions(result, length, max_locals, oop_mask, fr()); |
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387 } else { |
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388 stack_locals(result, length, oop_mask, fr()); |
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389 } |
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390 |
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391 assert(length == result->size(), "invariant"); |
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392 |
0 | 393 return result; |
394 } | |
395 | |
396 void interpretedVFrame::set_locals(StackValueCollection* values) const { | |
397 if (values == NULL || values->size() == 0) return; | |
398 | |
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399 // If the method is native, max_locals is not telling the truth. |
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400 // maxlocals then equals the size of parameters |
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401 const int max_locals = method()->is_native() ? |
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402 method()->size_of_parameters() : method()->max_locals(); |
0 | 403 |
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404 assert(max_locals == values->size(), "Mismatch between actual stack format and supplied data"); |
0 | 405 |
406 // handle locals | |
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407 for (int i = 0; i < max_locals; i++) { |
0 | 408 // Find stack location |
409 intptr_t *addr = locals_addr_at(i); | |
410 | |
411 // Depending on oop/int put it in the right package | |
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412 const StackValue* const sv = values->at(i); |
0 | 413 assert(sv != NULL, "sanity check"); |
414 if (sv->type() == T_OBJECT) { | |
415 *(oop *) addr = (sv->get_obj())(); | |
416 } else { // integer | |
417 *addr = sv->get_int(); | |
418 } | |
419 } | |
420 } | |
421 | |
422 // ------------- cChunk -------------- | |
423 | |
424 entryVFrame::entryVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread) | |
425 : externalVFrame(fr, reg_map, thread) {} | |
426 | |
427 | |
428 void vframeStreamCommon::found_bad_method_frame() { | |
429 // 6379830 Cut point for an assertion that occasionally fires when | |
430 // we are using the performance analyzer. | |
431 // Disable this assert when testing the analyzer with fastdebug. | |
432 // -XX:SuppressErrorAt=vframe.cpp:XXX (XXX=following line number) | |
433 assert(false, "invalid bci or invalid scope desc"); | |
434 } | |
435 | |
436 // top-frame will be skipped | |
437 vframeStream::vframeStream(JavaThread* thread, frame top_frame, | |
438 bool stop_at_java_call_stub) : vframeStreamCommon(thread) { | |
439 _stop_at_java_call_stub = stop_at_java_call_stub; | |
440 | |
441 // skip top frame, as it may not be at safepoint | |
442 _frame = top_frame.sender(&_reg_map); | |
443 while (!fill_from_frame()) { | |
444 _frame = _frame.sender(&_reg_map); | |
445 } | |
446 } | |
447 | |
448 | |
449 // Step back n frames, skip any pseudo frames in between. | |
450 // This function is used in Class.forName, Class.newInstance, Method.Invoke, | |
451 // AccessController.doPrivileged. | |
452 void vframeStreamCommon::security_get_caller_frame(int depth) { | |
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453 assert(depth >= 0, err_msg("invalid depth: %d", depth)); |
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454 for (int n = 0; !at_end(); security_next()) { |
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455 if (!method()->is_ignored_by_security_stack_walk()) { |
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456 if (n == depth) { |
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457 // We have reached the desired depth; return. |
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458 return; |
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459 } |
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460 n++; // this is a non-skipped frame; count it against the depth |
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461 } |
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462 } |
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463 // NOTE: At this point there were not enough frames on the stack |
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464 // to walk to depth. Callers of this method have to check for at_end. |
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465 } |
0 | 466 |
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467 |
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468 void vframeStreamCommon::security_next() { |
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469 if (method()->is_prefixed_native()) { |
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470 skip_prefixed_method_and_wrappers(); // calls next() |
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471 } else { |
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472 next(); |
0 | 473 } |
474 } | |
475 | |
476 | |
477 void vframeStreamCommon::skip_prefixed_method_and_wrappers() { | |
478 ResourceMark rm; | |
479 HandleMark hm; | |
480 | |
481 int method_prefix_count = 0; | |
482 char** method_prefixes = JvmtiExport::get_all_native_method_prefixes(&method_prefix_count); | |
483 KlassHandle prefixed_klass(method()->method_holder()); | |
484 const char* prefixed_name = method()->name()->as_C_string(); | |
485 size_t prefixed_name_len = strlen(prefixed_name); | |
486 int prefix_index = method_prefix_count-1; | |
487 | |
488 while (!at_end()) { | |
489 next(); | |
490 if (method()->method_holder() != prefixed_klass()) { | |
491 break; // classes don't match, can't be a wrapper | |
492 } | |
493 const char* name = method()->name()->as_C_string(); | |
494 size_t name_len = strlen(name); | |
495 size_t prefix_len = prefixed_name_len - name_len; | |
496 if (prefix_len <= 0 || strcmp(name, prefixed_name + prefix_len) != 0) { | |
497 break; // prefixed name isn't prefixed version of method name, can't be a wrapper | |
498 } | |
499 for (; prefix_index >= 0; --prefix_index) { | |
500 const char* possible_prefix = method_prefixes[prefix_index]; | |
501 size_t possible_prefix_len = strlen(possible_prefix); | |
502 if (possible_prefix_len == prefix_len && | |
503 strncmp(possible_prefix, prefixed_name, prefix_len) == 0) { | |
504 break; // matching prefix found | |
505 } | |
506 } | |
507 if (prefix_index < 0) { | |
508 break; // didn't find the prefix, can't be a wrapper | |
509 } | |
510 prefixed_name = name; | |
511 prefixed_name_len = name_len; | |
512 } | |
513 } | |
514 | |
515 | |
516 void vframeStreamCommon::skip_reflection_related_frames() { | |
517 while (!at_end() && | |
518 (JDK_Version::is_gte_jdk14x_version() && UseNewReflection && | |
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519 (method()->method_holder()->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass()) || |
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520 method()->method_holder()->is_subclass_of(SystemDictionary::reflect_ConstructorAccessorImpl_klass())))) { |
0 | 521 next(); |
522 } | |
523 } | |
524 | |
525 | |
526 #ifndef PRODUCT | |
527 void vframe::print() { | |
528 if (WizardMode) _fr.print_value_on(tty,NULL); | |
529 } | |
530 | |
531 | |
532 void vframe::print_value() const { | |
533 ((vframe*)this)->print(); | |
534 } | |
535 | |
536 | |
537 void entryVFrame::print_value() const { | |
538 ((entryVFrame*)this)->print(); | |
539 } | |
540 | |
541 void entryVFrame::print() { | |
542 vframe::print(); | |
543 tty->print_cr("C Chunk inbetween Java"); | |
544 tty->print_cr("C link " INTPTR_FORMAT, _fr.link()); | |
545 } | |
546 | |
547 | |
548 // ------------- javaVFrame -------------- | |
549 | |
550 static void print_stack_values(const char* title, StackValueCollection* values) { | |
551 if (values->is_empty()) return; | |
552 tty->print_cr("\t%s:", title); | |
553 values->print(); | |
554 } | |
555 | |
556 | |
557 void javaVFrame::print() { | |
558 ResourceMark rm; | |
559 vframe::print(); | |
560 tty->print("\t"); | |
561 method()->print_value(); | |
562 tty->cr(); | |
563 tty->print_cr("\tbci: %d", bci()); | |
564 | |
565 print_stack_values("locals", locals()); | |
566 print_stack_values("expressions", expressions()); | |
567 | |
568 GrowableArray<MonitorInfo*>* list = monitors(); | |
569 if (list->is_empty()) return; | |
570 tty->print_cr("\tmonitor list:"); | |
571 for (int index = (list->length()-1); index >= 0; index--) { | |
572 MonitorInfo* monitor = list->at(index); | |
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573 tty->print("\t obj\t"); |
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574 if (monitor->owner_is_scalar_replaced()) { |
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575 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass()); |
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576 tty->print("( is scalar replaced %s)", k->external_name()); |
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577 } else if (monitor->owner() == NULL) { |
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578 tty->print("( null )"); |
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579 } else { |
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580 monitor->owner()->print_value(); |
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581 tty->print("(" INTPTR_FORMAT ")", (address)monitor->owner()); |
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582 } |
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583 if (monitor->eliminated() && is_compiled_frame()) |
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584 tty->print(" ( lock is eliminated )"); |
0 | 585 tty->cr(); |
586 tty->print("\t "); | |
587 monitor->lock()->print_on(tty); | |
588 tty->cr(); | |
589 } | |
590 } | |
591 | |
592 | |
593 void javaVFrame::print_value() const { | |
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594 Method* m = method(); |
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595 InstanceKlass* k = m->method_holder(); |
0 | 596 tty->print_cr("frame( sp=" INTPTR_FORMAT ", unextended_sp=" INTPTR_FORMAT ", fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT ")", |
597 _fr.sp(), _fr.unextended_sp(), _fr.fp(), _fr.pc()); | |
6983 | 598 tty->print("%s.%s", k->internal_name(), m->name()->as_C_string()); |
0 | 599 |
600 if (!m->is_native()) { | |
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601 Symbol* source_name = k->source_file_name(); |
0 | 602 int line_number = m->line_number_from_bci(bci()); |
603 if (source_name != NULL && (line_number != -1)) { | |
604 tty->print("(%s:%d)", source_name->as_C_string(), line_number); | |
605 } | |
606 } else { | |
607 tty->print("(Native Method)"); | |
608 } | |
609 // Check frame size and print warning if it looks suspiciously large | |
610 if (fr().sp() != NULL) { | |
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611 RegisterMap map = *register_map(); |
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612 uint size = fr().frame_size(&map); |
0 | 613 #ifdef _LP64 |
614 if (size > 8*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
615 #else | |
616 if (size > 4*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
617 #endif | |
618 } | |
619 } | |
620 | |
621 | |
622 bool javaVFrame::structural_compare(javaVFrame* other) { | |
623 // Check static part | |
624 if (method() != other->method()) return false; | |
625 if (bci() != other->bci()) return false; | |
626 | |
627 // Check locals | |
628 StackValueCollection *locs = locals(); | |
629 StackValueCollection *other_locs = other->locals(); | |
630 assert(locs->size() == other_locs->size(), "sanity check"); | |
631 int i; | |
632 for(i = 0; i < locs->size(); i++) { | |
633 // it might happen the compiler reports a conflict and | |
634 // the interpreter reports a bogus int. | |
635 if ( is_compiled_frame() && locs->at(i)->type() == T_CONFLICT) continue; | |
636 if (other->is_compiled_frame() && other_locs->at(i)->type() == T_CONFLICT) continue; | |
637 | |
638 if (!locs->at(i)->equal(other_locs->at(i))) | |
639 return false; | |
640 } | |
641 | |
642 // Check expressions | |
643 StackValueCollection* exprs = expressions(); | |
644 StackValueCollection* other_exprs = other->expressions(); | |
645 assert(exprs->size() == other_exprs->size(), "sanity check"); | |
646 for(i = 0; i < exprs->size(); i++) { | |
647 if (!exprs->at(i)->equal(other_exprs->at(i))) | |
648 return false; | |
649 } | |
650 | |
651 return true; | |
652 } | |
653 | |
654 | |
655 void javaVFrame::print_activation(int index) const { | |
656 // frame number and method | |
657 tty->print("%2d - ", index); | |
658 ((vframe*)this)->print_value(); | |
659 tty->cr(); | |
660 | |
661 if (WizardMode) { | |
662 ((vframe*)this)->print(); | |
663 tty->cr(); | |
664 } | |
665 } | |
666 | |
667 | |
668 void javaVFrame::verify() const { | |
669 } | |
670 | |
671 | |
672 void interpretedVFrame::verify() const { | |
673 } | |
674 | |
675 | |
676 // ------------- externalVFrame -------------- | |
677 | |
678 void externalVFrame::print() { | |
679 _fr.print_value_on(tty,NULL); | |
680 } | |
681 | |
682 | |
683 void externalVFrame::print_value() const { | |
684 ((vframe*)this)->print(); | |
685 } | |
686 #endif // PRODUCT |