Mercurial > hg > graal-jvmci-8
annotate src/share/vm/runtime/vframe.cpp @ 24234:ea6f94ab283b default tip
Added tag jvmci-0.36 for changeset 8128b98d4736
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Mon, 18 Sep 2017 18:49:45 +0200 |
parents | dd9cc155639c |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2015, 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 st->print_cr("(a java.lang.Class for %s)", java_lang_Class::as_external_name(obj())); |
0 | 152 } else { |
6983 | 153 Klass* k = obj->klass(); |
0 | 154 st->print_cr("(a %s)", k->external_name()); |
155 } | |
156 } | |
157 } | |
158 | |
159 void javaVFrame::print_lock_info_on(outputStream* st, int frame_count) { | |
160 ResourceMark rm; | |
161 | |
162 // If this is the first frame, and java.lang.Object.wait(...) then print out the receiver. | |
163 if (frame_count == 0) { | |
164 if (method()->name() == vmSymbols::wait_name() && | |
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165 method()->method_holder()->name() == vmSymbols::java_lang_Object()) { |
0 | 166 StackValueCollection* locs = locals(); |
167 if (!locs->is_empty()) { | |
168 StackValue* sv = locs->at(0); | |
169 if (sv->type() == T_OBJECT) { | |
170 Handle o = locs->at(0)->get_obj(); | |
171 print_locked_object_class_name(st, o, "waiting on"); | |
172 } | |
173 } | |
174 } else if (thread()->current_park_blocker() != NULL) { | |
175 oop obj = thread()->current_park_blocker(); | |
6983 | 176 Klass* k = obj->klass(); |
0 | 177 st->print_cr("\t- %s <" INTPTR_FORMAT "> (a %s)", "parking to wait for ", (address)obj, k->external_name()); |
178 } | |
179 } | |
180 | |
181 | |
182 // Print out all monitors that we have locked or are trying to lock | |
183 GrowableArray<MonitorInfo*>* mons = monitors(); | |
184 if (!mons->is_empty()) { | |
185 bool found_first_monitor = false; | |
186 for (int index = (mons->length()-1); index >= 0; index--) { | |
187 MonitorInfo* monitor = mons->at(index); | |
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188 if (monitor->eliminated() && is_compiled_frame()) { // Eliminated in compiled code |
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189 if (monitor->owner_is_scalar_replaced()) { |
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190 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass()); |
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191 // format below for lockbits matches this one. |
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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 | |
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209 markOop mark = NULL; |
0 | 210 const char *lock_state = "locked"; // assume we have the monitor locked |
211 if (!found_first_monitor && frame_count == 0) { | |
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212 mark = monitor->owner()->mark(); |
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213 if (mark->has_monitor() && |
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214 ( // we have marked ourself as pending on this monitor |
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215 mark->monitor() == thread()->current_pending_monitor() || |
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216 // we are not the owner of this monitor |
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217 !mark->monitor()->is_entered(thread()) |
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218 )) { |
0 | 219 lock_state = "waiting to lock"; |
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220 } else { |
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221 mark = NULL; // Disable printing below |
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222 } |
0 | 223 } |
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224 print_locked_object_class_name(st, monitor->owner(), lock_state); |
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225 if (Verbose && mark != NULL) { |
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226 // match with format above, replacing "-" with " ". |
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227 st->print("\t lockbits="); |
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228 mark->print_on(st); |
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229 st->cr(); |
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230 } |
0 | 231 |
232 found_first_monitor = true; | |
233 } | |
234 } | |
235 } | |
236 } | |
237 | |
238 // ------------- interpretedVFrame -------------- | |
239 | |
240 u_char* interpretedVFrame::bcp() const { | |
241 return fr().interpreter_frame_bcp(); | |
242 } | |
243 | |
244 void interpretedVFrame::set_bcp(u_char* bcp) { | |
245 fr().interpreter_frame_set_bcp(bcp); | |
246 } | |
247 | |
248 intptr_t* interpretedVFrame::locals_addr_at(int offset) const { | |
249 assert(fr().is_interpreted_frame(), "frame should be an interpreted frame"); | |
250 return fr().interpreter_frame_local_at(offset); | |
251 } | |
252 | |
253 | |
254 GrowableArray<MonitorInfo*>* interpretedVFrame::monitors() const { | |
255 GrowableArray<MonitorInfo*>* result = new GrowableArray<MonitorInfo*>(5); | |
256 for (BasicObjectLock* current = (fr().previous_monitor_in_interpreter_frame(fr().interpreter_frame_monitor_begin())); | |
257 current >= fr().interpreter_frame_monitor_end(); | |
258 current = fr().previous_monitor_in_interpreter_frame(current)) { | |
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259 result->push(new MonitorInfo(current->obj(), current->lock(), false, false)); |
0 | 260 } |
261 return result; | |
262 } | |
263 | |
264 int interpretedVFrame::bci() const { | |
265 return method()->bci_from(bcp()); | |
266 } | |
267 | |
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268 Method* interpretedVFrame::method() const { |
0 | 269 return fr().interpreter_frame_method(); |
270 } | |
271 | |
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272 static StackValue* create_stack_value_from_oop_map(const InterpreterOopMap& oop_mask, |
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273 int index, |
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274 const intptr_t* const addr) { |
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275 |
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276 assert(index >= 0 && |
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277 index < oop_mask.number_of_entries(), "invariant"); |
0 | 278 |
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279 // categorize using oop_mask |
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280 if (oop_mask.is_oop(index)) { |
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281 // reference (oop) "r" |
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282 Handle h(addr != NULL ? (*(oop*)addr) : (oop)NULL); |
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283 return new StackValue(h); |
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284 } |
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285 // value (integer) "v" |
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286 return new StackValue(addr != NULL ? *addr : 0); |
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287 } |
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288 |
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289 static bool is_in_expression_stack(const frame& fr, const intptr_t* const addr) { |
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290 assert(addr != NULL, "invariant"); |
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291 |
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292 // Ensure to be 'inside' the expresion stack (i.e., addr >= sp for Intel). |
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293 // In case of exceptions, the expression stack is invalid and the sp |
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294 // will be reset to express this condition. |
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295 if (frame::interpreter_frame_expression_stack_direction() > 0) { |
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296 return addr <= fr.interpreter_frame_tos_address(); |
0 | 297 } |
298 | |
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299 return addr >= fr.interpreter_frame_tos_address(); |
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300 } |
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301 |
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302 static void stack_locals(StackValueCollection* result, |
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303 int length, |
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304 const InterpreterOopMap& oop_mask, |
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305 const frame& fr) { |
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306 |
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307 assert(result != NULL, "invariant"); |
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308 |
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309 for (int i = 0; i < length; ++i) { |
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310 const intptr_t* const addr = fr.interpreter_frame_local_at(i); |
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311 assert(addr != NULL, "invariant"); |
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312 assert(addr >= fr.sp(), "must be inside the frame"); |
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313 |
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314 StackValue* const sv = create_stack_value_from_oop_map(oop_mask, i, addr); |
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315 assert(sv != NULL, "sanity check"); |
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316 |
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317 result->add(sv); |
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318 } |
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319 } |
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320 |
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321 static void stack_expressions(StackValueCollection* result, |
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322 int length, |
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323 int max_locals, |
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324 const InterpreterOopMap& oop_mask, |
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325 const frame& fr) { |
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326 |
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327 assert(result != NULL, "invariant"); |
0 | 328 |
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329 for (int i = 0; i < length; ++i) { |
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330 const intptr_t* addr = fr.interpreter_frame_expression_stack_at(i); |
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331 assert(addr != NULL, "invariant"); |
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332 if (!is_in_expression_stack(fr, addr)) { |
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333 // Need to ensure no bogus escapes. |
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334 addr = NULL; |
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335 } |
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336 |
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337 StackValue* const sv = create_stack_value_from_oop_map(oop_mask, |
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338 i + max_locals, |
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339 addr); |
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340 assert(sv != NULL, "sanity check"); |
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341 |
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342 result->add(sv); |
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343 } |
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344 } |
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345 |
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346 StackValueCollection* interpretedVFrame::locals() const { |
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347 return stack_data(false); |
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348 } |
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349 |
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350 StackValueCollection* interpretedVFrame::expressions() const { |
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351 return stack_data(true); |
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352 } |
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353 |
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354 /* |
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355 * Worker routine for fetching references and/or values |
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356 * for a particular bci in the interpretedVFrame. |
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357 * |
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358 * Returns data for either "locals" or "expressions", |
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359 * using bci relative oop_map (oop_mask) information. |
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360 * |
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361 * @param expressions bool switch controlling what data to return |
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362 (false == locals / true == expressions) |
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363 * |
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364 */ |
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365 StackValueCollection* interpretedVFrame::stack_data(bool expressions) const { |
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366 |
1506 | 367 InterpreterOopMap oop_mask; |
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368 // oopmap for current bci |
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369 if ((TraceDeoptimization && Verbose) JVMCI_ONLY( || PrintDeoptimizationDetails)) { |
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370 methodHandle m_h(Thread::current(), method()); |
1506 | 371 OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask); |
0 | 372 } else { |
1506 | 373 method()->mask_for(bci(), &oop_mask); |
374 } | |
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375 |
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376 const int mask_len = oop_mask.number_of_entries(); |
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377 |
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378 // If the method is native, method()->max_locals() is not telling the truth. |
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379 // For our purposes, max locals instead equals the size of parameters. |
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380 const int max_locals = method()->is_native() ? |
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381 method()->size_of_parameters() : method()->max_locals(); |
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382 |
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383 assert(mask_len >= max_locals, "invariant"); |
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384 |
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385 const int length = expressions ? mask_len - max_locals : max_locals; |
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386 assert(length >= 0, "invariant"); |
0 | 387 |
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388 StackValueCollection* const result = new StackValueCollection(length); |
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389 |
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390 if (0 == length) { |
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391 return result; |
0 | 392 } |
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393 |
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394 if (expressions) { |
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395 stack_expressions(result, length, max_locals, oop_mask, fr()); |
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396 } else { |
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397 stack_locals(result, length, oop_mask, fr()); |
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398 } |
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399 |
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400 assert(length == result->size(), "invariant"); |
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401 |
0 | 402 return result; |
403 } | |
404 | |
405 void interpretedVFrame::set_locals(StackValueCollection* values) const { | |
406 if (values == NULL || values->size() == 0) return; | |
407 | |
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408 // If the method is native, max_locals is not telling the truth. |
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409 // maxlocals then equals the size of parameters |
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410 const int max_locals = method()->is_native() ? |
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411 method()->size_of_parameters() : method()->max_locals(); |
0 | 412 |
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413 assert(max_locals == values->size(), "Mismatch between actual stack format and supplied data"); |
0 | 414 |
415 // handle locals | |
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416 for (int i = 0; i < max_locals; i++) { |
0 | 417 // Find stack location |
418 intptr_t *addr = locals_addr_at(i); | |
419 | |
420 // Depending on oop/int put it in the right package | |
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421 const StackValue* const sv = values->at(i); |
0 | 422 assert(sv != NULL, "sanity check"); |
423 if (sv->type() == T_OBJECT) { | |
424 *(oop *) addr = (sv->get_obj())(); | |
425 } else { // integer | |
426 *addr = sv->get_int(); | |
427 } | |
428 } | |
429 } | |
430 | |
431 // ------------- cChunk -------------- | |
432 | |
433 entryVFrame::entryVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread) | |
434 : externalVFrame(fr, reg_map, thread) {} | |
435 | |
436 | |
437 void vframeStreamCommon::found_bad_method_frame() { | |
438 // 6379830 Cut point for an assertion that occasionally fires when | |
439 // we are using the performance analyzer. | |
440 // Disable this assert when testing the analyzer with fastdebug. | |
441 // -XX:SuppressErrorAt=vframe.cpp:XXX (XXX=following line number) | |
442 assert(false, "invalid bci or invalid scope desc"); | |
443 } | |
444 | |
445 // top-frame will be skipped | |
446 vframeStream::vframeStream(JavaThread* thread, frame top_frame, | |
447 bool stop_at_java_call_stub) : vframeStreamCommon(thread) { | |
448 _stop_at_java_call_stub = stop_at_java_call_stub; | |
449 | |
450 // skip top frame, as it may not be at safepoint | |
451 _frame = top_frame.sender(&_reg_map); | |
452 while (!fill_from_frame()) { | |
453 _frame = _frame.sender(&_reg_map); | |
454 } | |
455 } | |
456 | |
457 | |
458 // Step back n frames, skip any pseudo frames in between. | |
459 // This function is used in Class.forName, Class.newInstance, Method.Invoke, | |
460 // AccessController.doPrivileged. | |
461 void vframeStreamCommon::security_get_caller_frame(int depth) { | |
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462 assert(depth >= 0, err_msg("invalid depth: %d", depth)); |
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463 for (int n = 0; !at_end(); security_next()) { |
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464 if (!method()->is_ignored_by_security_stack_walk()) { |
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465 if (n == depth) { |
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466 // We have reached the desired depth; return. |
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467 return; |
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468 } |
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469 n++; // this is a non-skipped frame; count it against the depth |
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470 } |
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471 } |
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472 // NOTE: At this point there were not enough frames on the stack |
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473 // to walk to depth. Callers of this method have to check for at_end. |
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474 } |
0 | 475 |
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476 |
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477 void vframeStreamCommon::security_next() { |
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478 if (method()->is_prefixed_native()) { |
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479 skip_prefixed_method_and_wrappers(); // calls next() |
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480 } else { |
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481 next(); |
0 | 482 } |
483 } | |
484 | |
485 | |
486 void vframeStreamCommon::skip_prefixed_method_and_wrappers() { | |
487 ResourceMark rm; | |
488 HandleMark hm; | |
489 | |
490 int method_prefix_count = 0; | |
491 char** method_prefixes = JvmtiExport::get_all_native_method_prefixes(&method_prefix_count); | |
492 KlassHandle prefixed_klass(method()->method_holder()); | |
493 const char* prefixed_name = method()->name()->as_C_string(); | |
494 size_t prefixed_name_len = strlen(prefixed_name); | |
495 int prefix_index = method_prefix_count-1; | |
496 | |
497 while (!at_end()) { | |
498 next(); | |
499 if (method()->method_holder() != prefixed_klass()) { | |
500 break; // classes don't match, can't be a wrapper | |
501 } | |
502 const char* name = method()->name()->as_C_string(); | |
503 size_t name_len = strlen(name); | |
504 size_t prefix_len = prefixed_name_len - name_len; | |
505 if (prefix_len <= 0 || strcmp(name, prefixed_name + prefix_len) != 0) { | |
506 break; // prefixed name isn't prefixed version of method name, can't be a wrapper | |
507 } | |
508 for (; prefix_index >= 0; --prefix_index) { | |
509 const char* possible_prefix = method_prefixes[prefix_index]; | |
510 size_t possible_prefix_len = strlen(possible_prefix); | |
511 if (possible_prefix_len == prefix_len && | |
512 strncmp(possible_prefix, prefixed_name, prefix_len) == 0) { | |
513 break; // matching prefix found | |
514 } | |
515 } | |
516 if (prefix_index < 0) { | |
517 break; // didn't find the prefix, can't be a wrapper | |
518 } | |
519 prefixed_name = name; | |
520 prefixed_name_len = name_len; | |
521 } | |
522 } | |
523 | |
524 | |
525 void vframeStreamCommon::skip_reflection_related_frames() { | |
526 while (!at_end() && | |
527 (JDK_Version::is_gte_jdk14x_version() && UseNewReflection && | |
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528 (method()->method_holder()->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass()) || |
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529 method()->method_holder()->is_subclass_of(SystemDictionary::reflect_ConstructorAccessorImpl_klass())))) { |
0 | 530 next(); |
531 } | |
532 } | |
533 | |
534 | |
535 #ifndef PRODUCT | |
536 void vframe::print() { | |
537 if (WizardMode) _fr.print_value_on(tty,NULL); | |
538 } | |
539 | |
540 | |
541 void vframe::print_value() const { | |
542 ((vframe*)this)->print(); | |
543 } | |
544 | |
545 | |
546 void entryVFrame::print_value() const { | |
547 ((entryVFrame*)this)->print(); | |
548 } | |
549 | |
550 void entryVFrame::print() { | |
551 vframe::print(); | |
552 tty->print_cr("C Chunk inbetween Java"); | |
553 tty->print_cr("C link " INTPTR_FORMAT, _fr.link()); | |
554 } | |
555 | |
556 | |
557 // ------------- javaVFrame -------------- | |
558 | |
559 static void print_stack_values(const char* title, StackValueCollection* values) { | |
560 if (values->is_empty()) return; | |
561 tty->print_cr("\t%s:", title); | |
562 values->print(); | |
563 } | |
564 | |
565 | |
566 void javaVFrame::print() { | |
567 ResourceMark rm; | |
568 vframe::print(); | |
569 tty->print("\t"); | |
570 method()->print_value(); | |
571 tty->cr(); | |
572 tty->print_cr("\tbci: %d", bci()); | |
573 | |
574 print_stack_values("locals", locals()); | |
575 print_stack_values("expressions", expressions()); | |
576 | |
577 GrowableArray<MonitorInfo*>* list = monitors(); | |
578 if (list->is_empty()) return; | |
579 tty->print_cr("\tmonitor list:"); | |
580 for (int index = (list->length()-1); index >= 0; index--) { | |
581 MonitorInfo* monitor = list->at(index); | |
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582 tty->print("\t obj\t"); |
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583 if (monitor->owner_is_scalar_replaced()) { |
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584 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass()); |
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585 tty->print("( is scalar replaced %s)", k->external_name()); |
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586 } else if (monitor->owner() == NULL) { |
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587 tty->print("( null )"); |
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588 } else { |
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589 monitor->owner()->print_value(); |
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590 tty->print("(owner=" INTPTR_FORMAT ")", (address)monitor->owner()); |
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591 } |
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592 if (monitor->eliminated()) { |
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593 if(is_compiled_frame()) { |
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594 tty->print(" ( lock is eliminated in compiled frame )"); |
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595 } else { |
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596 tty->print(" ( lock is eliminated, frame not compiled )"); |
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597 } |
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598 } |
0 | 599 tty->cr(); |
600 tty->print("\t "); | |
601 monitor->lock()->print_on(tty); | |
602 tty->cr(); | |
603 } | |
604 } | |
605 | |
606 | |
607 void javaVFrame::print_value() const { | |
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608 Method* m = method(); |
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609 InstanceKlass* k = m->method_holder(); |
0 | 610 tty->print_cr("frame( sp=" INTPTR_FORMAT ", unextended_sp=" INTPTR_FORMAT ", fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT ")", |
611 _fr.sp(), _fr.unextended_sp(), _fr.fp(), _fr.pc()); | |
6983 | 612 tty->print("%s.%s", k->internal_name(), m->name()->as_C_string()); |
0 | 613 |
614 if (!m->is_native()) { | |
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615 Symbol* source_name = k->source_file_name(); |
0 | 616 int line_number = m->line_number_from_bci(bci()); |
617 if (source_name != NULL && (line_number != -1)) { | |
618 tty->print("(%s:%d)", source_name->as_C_string(), line_number); | |
619 } | |
620 } else { | |
621 tty->print("(Native Method)"); | |
622 } | |
623 // Check frame size and print warning if it looks suspiciously large | |
624 if (fr().sp() != NULL) { | |
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625 RegisterMap map = *register_map(); |
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626 uint size = fr().frame_size(&map); |
0 | 627 #ifdef _LP64 |
628 if (size > 8*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
629 #else | |
630 if (size > 4*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
631 #endif | |
632 } | |
633 } | |
634 | |
635 | |
636 bool javaVFrame::structural_compare(javaVFrame* other) { | |
637 // Check static part | |
638 if (method() != other->method()) return false; | |
639 if (bci() != other->bci()) return false; | |
640 | |
641 // Check locals | |
642 StackValueCollection *locs = locals(); | |
643 StackValueCollection *other_locs = other->locals(); | |
644 assert(locs->size() == other_locs->size(), "sanity check"); | |
645 int i; | |
646 for(i = 0; i < locs->size(); i++) { | |
647 // it might happen the compiler reports a conflict and | |
648 // the interpreter reports a bogus int. | |
649 if ( is_compiled_frame() && locs->at(i)->type() == T_CONFLICT) continue; | |
650 if (other->is_compiled_frame() && other_locs->at(i)->type() == T_CONFLICT) continue; | |
651 | |
652 if (!locs->at(i)->equal(other_locs->at(i))) | |
653 return false; | |
654 } | |
655 | |
656 // Check expressions | |
657 StackValueCollection* exprs = expressions(); | |
658 StackValueCollection* other_exprs = other->expressions(); | |
659 assert(exprs->size() == other_exprs->size(), "sanity check"); | |
660 for(i = 0; i < exprs->size(); i++) { | |
661 if (!exprs->at(i)->equal(other_exprs->at(i))) | |
662 return false; | |
663 } | |
664 | |
665 return true; | |
666 } | |
667 | |
668 | |
669 void javaVFrame::print_activation(int index) const { | |
670 // frame number and method | |
671 tty->print("%2d - ", index); | |
672 ((vframe*)this)->print_value(); | |
673 tty->cr(); | |
674 | |
675 if (WizardMode) { | |
676 ((vframe*)this)->print(); | |
677 tty->cr(); | |
678 } | |
679 } | |
680 | |
681 | |
682 void javaVFrame::verify() const { | |
683 } | |
684 | |
685 | |
686 void interpretedVFrame::verify() const { | |
687 } | |
688 | |
689 | |
690 // ------------- externalVFrame -------------- | |
691 | |
692 void externalVFrame::print() { | |
693 _fr.print_value_on(tty,NULL); | |
694 } | |
695 | |
696 | |
697 void externalVFrame::print_value() const { | |
698 ((vframe*)this)->print(); | |
699 } | |
700 #endif // PRODUCT |