Mercurial > hg > graal-jvmci-8
annotate src/share/vm/runtime/vframe.cpp @ 23071:fb260f267e87
8036913: make DeoptimizeALot dependent on number of threads
Reviewed-by: kvn, shade
| author | iignatyev |
|---|---|
| date | Sun, 02 Nov 2014 18:42:30 +0300 |
| parents | 6e8e0bf87bbe |
| children | 7d8724b3c156 |
| rev | line source |
|---|---|
| 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 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 // format below for lockbits matches this one. |
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193 st->print("\t- eliminated <owner is scalar replaced> (a %s)", k->external_name()); |
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194 } else { |
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195 oop obj = monitor->owner(); |
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196 if (obj != NULL) { |
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197 print_locked_object_class_name(st, obj, "eliminated"); |
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198 } |
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199 } |
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200 continue; |
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201 } |
| 0 | 202 if (monitor->owner() != NULL) { |
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203 // the monitor is associated with an object, i.e., it is locked |
| 0 | 204 |
| 205 // First, assume we have the monitor locked. If we haven't found an | |
| 206 // owned monitor before and this is the first frame, then we need to | |
| 207 // see if we have completed the lock or we are blocked trying to | |
| 208 // acquire it - we can only be blocked if the monitor is inflated | |
| 209 | |
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210 markOop mark = NULL; |
| 0 | 211 const char *lock_state = "locked"; // assume we have the monitor locked |
| 212 if (!found_first_monitor && frame_count == 0) { | |
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213 mark = monitor->owner()->mark(); |
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214 if (mark->has_monitor() && |
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215 ( // we have marked ourself as pending on this monitor |
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216 mark->monitor() == thread()->current_pending_monitor() || |
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217 // we are not the owner of this monitor |
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218 !mark->monitor()->is_entered(thread()) |
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219 )) { |
| 0 | 220 lock_state = "waiting to lock"; |
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221 } else { |
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222 mark = NULL; // Disable printing below |
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223 } |
| 0 | 224 } |
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225 print_locked_object_class_name(st, monitor->owner(), lock_state); |
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226 if (Verbose && mark != NULL) { |
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227 // match with format above, replacing "-" with " ". |
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228 st->print("\t lockbits="); |
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229 mark->print_on(st); |
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230 st->cr(); |
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231 } |
| 0 | 232 |
| 233 found_first_monitor = true; | |
| 234 } | |
| 235 } | |
| 236 } | |
| 237 } | |
| 238 | |
| 239 // ------------- interpretedVFrame -------------- | |
| 240 | |
| 241 u_char* interpretedVFrame::bcp() const { | |
| 242 return fr().interpreter_frame_bcp(); | |
| 243 } | |
| 244 | |
| 245 void interpretedVFrame::set_bcp(u_char* bcp) { | |
| 246 fr().interpreter_frame_set_bcp(bcp); | |
| 247 } | |
| 248 | |
| 249 intptr_t* interpretedVFrame::locals_addr_at(int offset) const { | |
| 250 assert(fr().is_interpreted_frame(), "frame should be an interpreted frame"); | |
| 251 return fr().interpreter_frame_local_at(offset); | |
| 252 } | |
| 253 | |
| 254 | |
| 255 GrowableArray<MonitorInfo*>* interpretedVFrame::monitors() const { | |
| 256 GrowableArray<MonitorInfo*>* result = new GrowableArray<MonitorInfo*>(5); | |
| 257 for (BasicObjectLock* current = (fr().previous_monitor_in_interpreter_frame(fr().interpreter_frame_monitor_begin())); | |
| 258 current >= fr().interpreter_frame_monitor_end(); | |
| 259 current = fr().previous_monitor_in_interpreter_frame(current)) { | |
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260 result->push(new MonitorInfo(current->obj(), current->lock(), false, false)); |
| 0 | 261 } |
| 262 return result; | |
| 263 } | |
| 264 | |
| 265 int interpretedVFrame::bci() const { | |
| 266 return method()->bci_from(bcp()); | |
| 267 } | |
| 268 | |
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269 Method* interpretedVFrame::method() const { |
| 0 | 270 return fr().interpreter_frame_method(); |
| 271 } | |
| 272 | |
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273 static StackValue* create_stack_value_from_oop_map(const InterpreterOopMap& oop_mask, |
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274 int index, |
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275 const intptr_t* const addr) { |
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276 |
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277 assert(index >= 0 && |
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278 index < oop_mask.number_of_entries(), "invariant"); |
| 0 | 279 |
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280 // categorize using oop_mask |
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281 if (oop_mask.is_oop(index)) { |
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282 // reference (oop) "r" |
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283 Handle h(addr != NULL ? (*(oop*)addr) : (oop)NULL); |
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284 return new StackValue(h); |
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285 } |
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286 // value (integer) "v" |
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287 return new StackValue(addr != NULL ? *addr : 0); |
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288 } |
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289 |
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290 static bool is_in_expression_stack(const frame& fr, const intptr_t* const addr) { |
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291 assert(addr != NULL, "invariant"); |
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292 |
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293 // Ensure to be 'inside' the expresion stack (i.e., addr >= sp for Intel). |
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294 // In case of exceptions, the expression stack is invalid and the sp |
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295 // will be reset to express this condition. |
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296 if (frame::interpreter_frame_expression_stack_direction() > 0) { |
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297 return addr <= fr.interpreter_frame_tos_address(); |
| 0 | 298 } |
| 299 | |
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300 return addr >= fr.interpreter_frame_tos_address(); |
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301 } |
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302 |
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303 static void stack_locals(StackValueCollection* result, |
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304 int length, |
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305 const InterpreterOopMap& oop_mask, |
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306 const frame& fr) { |
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307 |
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308 assert(result != NULL, "invariant"); |
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309 |
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310 for (int i = 0; i < length; ++i) { |
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311 const intptr_t* const addr = fr.interpreter_frame_local_at(i); |
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312 assert(addr != NULL, "invariant"); |
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313 assert(addr >= fr.sp(), "must be inside the frame"); |
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314 |
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315 StackValue* const sv = create_stack_value_from_oop_map(oop_mask, i, addr); |
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316 assert(sv != NULL, "sanity check"); |
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317 |
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318 result->add(sv); |
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319 } |
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320 } |
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321 |
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322 static void stack_expressions(StackValueCollection* result, |
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323 int length, |
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324 int max_locals, |
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325 const InterpreterOopMap& oop_mask, |
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326 const frame& fr) { |
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327 |
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328 assert(result != NULL, "invariant"); |
| 0 | 329 |
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330 for (int i = 0; i < length; ++i) { |
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331 const intptr_t* addr = fr.interpreter_frame_expression_stack_at(i); |
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332 assert(addr != NULL, "invariant"); |
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333 if (!is_in_expression_stack(fr, addr)) { |
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334 // Need to ensure no bogus escapes. |
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335 addr = NULL; |
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336 } |
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337 |
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338 StackValue* const sv = create_stack_value_from_oop_map(oop_mask, |
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339 i + max_locals, |
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340 addr); |
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341 assert(sv != NULL, "sanity check"); |
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342 |
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343 result->add(sv); |
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344 } |
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345 } |
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346 |
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347 StackValueCollection* interpretedVFrame::locals() const { |
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348 return stack_data(false); |
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349 } |
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350 |
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351 StackValueCollection* interpretedVFrame::expressions() const { |
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352 return stack_data(true); |
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353 } |
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354 |
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355 /* |
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356 * Worker routine for fetching references and/or values |
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357 * for a particular bci in the interpretedVFrame. |
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358 * |
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359 * Returns data for either "locals" or "expressions", |
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360 * using bci relative oop_map (oop_mask) information. |
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361 * |
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362 * @param expressions bool switch controlling what data to return |
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363 (false == locals / true == expressions) |
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364 * |
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365 */ |
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366 StackValueCollection* interpretedVFrame::stack_data(bool expressions) const { |
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367 |
| 1506 | 368 InterpreterOopMap oop_mask; |
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369 // oopmap for current bci |
| 1506 | 370 if (TraceDeoptimization && Verbose) { |
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371 methodHandle m_h(Thread::current(), method()); |
| 1506 | 372 OopMapCache::compute_one_oop_map(m_h, bci(), &oop_mask); |
| 0 | 373 } else { |
| 1506 | 374 method()->mask_for(bci(), &oop_mask); |
| 375 } | |
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376 |
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377 const int mask_len = oop_mask.number_of_entries(); |
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378 |
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379 // If the method is native, method()->max_locals() is not telling the truth. |
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380 // For our purposes, max locals instead equals the size of parameters. |
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381 const int max_locals = method()->is_native() ? |
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382 method()->size_of_parameters() : method()->max_locals(); |
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383 |
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384 assert(mask_len >= max_locals, "invariant"); |
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385 |
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386 const int length = expressions ? mask_len - max_locals : max_locals; |
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387 assert(length >= 0, "invariant"); |
| 0 | 388 |
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389 StackValueCollection* const result = new StackValueCollection(length); |
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390 |
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391 if (0 == length) { |
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392 return result; |
| 0 | 393 } |
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394 |
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395 if (expressions) { |
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396 stack_expressions(result, length, max_locals, oop_mask, fr()); |
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397 } else { |
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398 stack_locals(result, length, oop_mask, fr()); |
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399 } |
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400 |
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401 assert(length == result->size(), "invariant"); |
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402 |
| 0 | 403 return result; |
| 404 } | |
| 405 | |
| 406 void interpretedVFrame::set_locals(StackValueCollection* values) const { | |
| 407 if (values == NULL || values->size() == 0) return; | |
| 408 | |
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409 // If the method is native, max_locals is not telling the truth. |
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410 // maxlocals then equals the size of parameters |
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411 const int max_locals = method()->is_native() ? |
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412 method()->size_of_parameters() : method()->max_locals(); |
| 0 | 413 |
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414 assert(max_locals == values->size(), "Mismatch between actual stack format and supplied data"); |
| 0 | 415 |
| 416 // handle locals | |
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417 for (int i = 0; i < max_locals; i++) { |
| 0 | 418 // Find stack location |
| 419 intptr_t *addr = locals_addr_at(i); | |
| 420 | |
| 421 // Depending on oop/int put it in the right package | |
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422 const StackValue* const sv = values->at(i); |
| 0 | 423 assert(sv != NULL, "sanity check"); |
| 424 if (sv->type() == T_OBJECT) { | |
| 425 *(oop *) addr = (sv->get_obj())(); | |
| 426 } else { // integer | |
| 427 *addr = sv->get_int(); | |
| 428 } | |
| 429 } | |
| 430 } | |
| 431 | |
| 432 // ------------- cChunk -------------- | |
| 433 | |
| 434 entryVFrame::entryVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread) | |
| 435 : externalVFrame(fr, reg_map, thread) {} | |
| 436 | |
| 437 | |
| 438 void vframeStreamCommon::found_bad_method_frame() { | |
| 439 // 6379830 Cut point for an assertion that occasionally fires when | |
| 440 // we are using the performance analyzer. | |
| 441 // Disable this assert when testing the analyzer with fastdebug. | |
| 442 // -XX:SuppressErrorAt=vframe.cpp:XXX (XXX=following line number) | |
| 443 assert(false, "invalid bci or invalid scope desc"); | |
| 444 } | |
| 445 | |
| 446 // top-frame will be skipped | |
| 447 vframeStream::vframeStream(JavaThread* thread, frame top_frame, | |
| 448 bool stop_at_java_call_stub) : vframeStreamCommon(thread) { | |
| 449 _stop_at_java_call_stub = stop_at_java_call_stub; | |
| 450 | |
| 451 // skip top frame, as it may not be at safepoint | |
| 452 _frame = top_frame.sender(&_reg_map); | |
| 453 while (!fill_from_frame()) { | |
| 454 _frame = _frame.sender(&_reg_map); | |
| 455 } | |
| 456 } | |
| 457 | |
| 458 | |
| 459 // Step back n frames, skip any pseudo frames in between. | |
| 460 // This function is used in Class.forName, Class.newInstance, Method.Invoke, | |
| 461 // AccessController.doPrivileged. | |
| 462 void vframeStreamCommon::security_get_caller_frame(int depth) { | |
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463 assert(depth >= 0, err_msg("invalid depth: %d", depth)); |
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464 for (int n = 0; !at_end(); security_next()) { |
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465 if (!method()->is_ignored_by_security_stack_walk()) { |
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466 if (n == depth) { |
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467 // We have reached the desired depth; return. |
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468 return; |
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469 } |
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470 n++; // this is a non-skipped frame; count it against the depth |
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471 } |
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472 } |
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473 // NOTE: At this point there were not enough frames on the stack |
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474 // to walk to depth. Callers of this method have to check for at_end. |
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475 } |
| 0 | 476 |
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477 |
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478 void vframeStreamCommon::security_next() { |
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479 if (method()->is_prefixed_native()) { |
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480 skip_prefixed_method_and_wrappers(); // calls next() |
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481 } else { |
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482 next(); |
| 0 | 483 } |
| 484 } | |
| 485 | |
| 486 | |
| 487 void vframeStreamCommon::skip_prefixed_method_and_wrappers() { | |
| 488 ResourceMark rm; | |
| 489 HandleMark hm; | |
| 490 | |
| 491 int method_prefix_count = 0; | |
| 492 char** method_prefixes = JvmtiExport::get_all_native_method_prefixes(&method_prefix_count); | |
| 493 KlassHandle prefixed_klass(method()->method_holder()); | |
| 494 const char* prefixed_name = method()->name()->as_C_string(); | |
| 495 size_t prefixed_name_len = strlen(prefixed_name); | |
| 496 int prefix_index = method_prefix_count-1; | |
| 497 | |
| 498 while (!at_end()) { | |
| 499 next(); | |
| 500 if (method()->method_holder() != prefixed_klass()) { | |
| 501 break; // classes don't match, can't be a wrapper | |
| 502 } | |
| 503 const char* name = method()->name()->as_C_string(); | |
| 504 size_t name_len = strlen(name); | |
| 505 size_t prefix_len = prefixed_name_len - name_len; | |
| 506 if (prefix_len <= 0 || strcmp(name, prefixed_name + prefix_len) != 0) { | |
| 507 break; // prefixed name isn't prefixed version of method name, can't be a wrapper | |
| 508 } | |
| 509 for (; prefix_index >= 0; --prefix_index) { | |
| 510 const char* possible_prefix = method_prefixes[prefix_index]; | |
| 511 size_t possible_prefix_len = strlen(possible_prefix); | |
| 512 if (possible_prefix_len == prefix_len && | |
| 513 strncmp(possible_prefix, prefixed_name, prefix_len) == 0) { | |
| 514 break; // matching prefix found | |
| 515 } | |
| 516 } | |
| 517 if (prefix_index < 0) { | |
| 518 break; // didn't find the prefix, can't be a wrapper | |
| 519 } | |
| 520 prefixed_name = name; | |
| 521 prefixed_name_len = name_len; | |
| 522 } | |
| 523 } | |
| 524 | |
| 525 | |
| 526 void vframeStreamCommon::skip_reflection_related_frames() { | |
| 527 while (!at_end() && | |
| 528 (JDK_Version::is_gte_jdk14x_version() && UseNewReflection && | |
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529 (method()->method_holder()->is_subclass_of(SystemDictionary::reflect_MethodAccessorImpl_klass()) || |
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530 method()->method_holder()->is_subclass_of(SystemDictionary::reflect_ConstructorAccessorImpl_klass())))) { |
| 0 | 531 next(); |
| 532 } | |
| 533 } | |
| 534 | |
| 535 | |
| 536 #ifndef PRODUCT | |
| 537 void vframe::print() { | |
| 538 if (WizardMode) _fr.print_value_on(tty,NULL); | |
| 539 } | |
| 540 | |
| 541 | |
| 542 void vframe::print_value() const { | |
| 543 ((vframe*)this)->print(); | |
| 544 } | |
| 545 | |
| 546 | |
| 547 void entryVFrame::print_value() const { | |
| 548 ((entryVFrame*)this)->print(); | |
| 549 } | |
| 550 | |
| 551 void entryVFrame::print() { | |
| 552 vframe::print(); | |
| 553 tty->print_cr("C Chunk inbetween Java"); | |
| 554 tty->print_cr("C link " INTPTR_FORMAT, _fr.link()); | |
| 555 } | |
| 556 | |
| 557 | |
| 558 // ------------- javaVFrame -------------- | |
| 559 | |
| 560 static void print_stack_values(const char* title, StackValueCollection* values) { | |
| 561 if (values->is_empty()) return; | |
| 562 tty->print_cr("\t%s:", title); | |
| 563 values->print(); | |
| 564 } | |
| 565 | |
| 566 | |
| 567 void javaVFrame::print() { | |
| 568 ResourceMark rm; | |
| 569 vframe::print(); | |
| 570 tty->print("\t"); | |
| 571 method()->print_value(); | |
| 572 tty->cr(); | |
| 573 tty->print_cr("\tbci: %d", bci()); | |
| 574 | |
| 575 print_stack_values("locals", locals()); | |
| 576 print_stack_values("expressions", expressions()); | |
| 577 | |
| 578 GrowableArray<MonitorInfo*>* list = monitors(); | |
| 579 if (list->is_empty()) return; | |
| 580 tty->print_cr("\tmonitor list:"); | |
| 581 for (int index = (list->length()-1); index >= 0; index--) { | |
| 582 MonitorInfo* monitor = list->at(index); | |
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583 tty->print("\t obj\t"); |
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584 if (monitor->owner_is_scalar_replaced()) { |
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585 Klass* k = java_lang_Class::as_Klass(monitor->owner_klass()); |
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586 tty->print("( is scalar replaced %s)", k->external_name()); |
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587 } else if (monitor->owner() == NULL) { |
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588 tty->print("( null )"); |
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589 } else { |
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590 monitor->owner()->print_value(); |
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591 tty->print("(owner=" INTPTR_FORMAT ")", (address)monitor->owner()); |
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592 } |
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593 if (monitor->eliminated()) { |
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594 if(is_compiled_frame()) { |
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595 tty->print(" ( lock is eliminated in compiled frame )"); |
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596 } else { |
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597 tty->print(" ( lock is eliminated, frame not compiled )"); |
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598 } |
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599 } |
| 0 | 600 tty->cr(); |
| 601 tty->print("\t "); | |
| 602 monitor->lock()->print_on(tty); | |
| 603 tty->cr(); | |
| 604 } | |
| 605 } | |
| 606 | |
| 607 | |
| 608 void javaVFrame::print_value() const { | |
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609 Method* m = method(); |
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610 InstanceKlass* k = m->method_holder(); |
| 0 | 611 tty->print_cr("frame( sp=" INTPTR_FORMAT ", unextended_sp=" INTPTR_FORMAT ", fp=" INTPTR_FORMAT ", pc=" INTPTR_FORMAT ")", |
| 612 _fr.sp(), _fr.unextended_sp(), _fr.fp(), _fr.pc()); | |
| 6983 | 613 tty->print("%s.%s", k->internal_name(), m->name()->as_C_string()); |
| 0 | 614 |
| 615 if (!m->is_native()) { | |
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616 Symbol* source_name = k->source_file_name(); |
| 0 | 617 int line_number = m->line_number_from_bci(bci()); |
| 618 if (source_name != NULL && (line_number != -1)) { | |
| 619 tty->print("(%s:%d)", source_name->as_C_string(), line_number); | |
| 620 } | |
| 621 } else { | |
| 622 tty->print("(Native Method)"); | |
| 623 } | |
| 624 // Check frame size and print warning if it looks suspiciously large | |
| 625 if (fr().sp() != NULL) { | |
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626 RegisterMap map = *register_map(); |
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627 uint size = fr().frame_size(&map); |
| 0 | 628 #ifdef _LP64 |
| 629 if (size > 8*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
| 630 #else | |
| 631 if (size > 4*K) warning("SUSPICIOUSLY LARGE FRAME (%d)", size); | |
| 632 #endif | |
| 633 } | |
| 634 } | |
| 635 | |
| 636 | |
| 637 bool javaVFrame::structural_compare(javaVFrame* other) { | |
| 638 // Check static part | |
| 639 if (method() != other->method()) return false; | |
| 640 if (bci() != other->bci()) return false; | |
| 641 | |
| 642 // Check locals | |
| 643 StackValueCollection *locs = locals(); | |
| 644 StackValueCollection *other_locs = other->locals(); | |
| 645 assert(locs->size() == other_locs->size(), "sanity check"); | |
| 646 int i; | |
| 647 for(i = 0; i < locs->size(); i++) { | |
| 648 // it might happen the compiler reports a conflict and | |
| 649 // the interpreter reports a bogus int. | |
| 650 if ( is_compiled_frame() && locs->at(i)->type() == T_CONFLICT) continue; | |
| 651 if (other->is_compiled_frame() && other_locs->at(i)->type() == T_CONFLICT) continue; | |
| 652 | |
| 653 if (!locs->at(i)->equal(other_locs->at(i))) | |
| 654 return false; | |
| 655 } | |
| 656 | |
| 657 // Check expressions | |
| 658 StackValueCollection* exprs = expressions(); | |
| 659 StackValueCollection* other_exprs = other->expressions(); | |
| 660 assert(exprs->size() == other_exprs->size(), "sanity check"); | |
| 661 for(i = 0; i < exprs->size(); i++) { | |
| 662 if (!exprs->at(i)->equal(other_exprs->at(i))) | |
| 663 return false; | |
| 664 } | |
| 665 | |
| 666 return true; | |
| 667 } | |
| 668 | |
| 669 | |
| 670 void javaVFrame::print_activation(int index) const { | |
| 671 // frame number and method | |
| 672 tty->print("%2d - ", index); | |
| 673 ((vframe*)this)->print_value(); | |
| 674 tty->cr(); | |
| 675 | |
| 676 if (WizardMode) { | |
| 677 ((vframe*)this)->print(); | |
| 678 tty->cr(); | |
| 679 } | |
| 680 } | |
| 681 | |
| 682 | |
| 683 void javaVFrame::verify() const { | |
| 684 } | |
| 685 | |
| 686 | |
| 687 void interpretedVFrame::verify() const { | |
| 688 } | |
| 689 | |
| 690 | |
| 691 // ------------- externalVFrame -------------- | |
| 692 | |
| 693 void externalVFrame::print() { | |
| 694 _fr.print_value_on(tty,NULL); | |
| 695 } | |
| 696 | |
| 697 | |
| 698 void externalVFrame::print_value() const { | |
| 699 ((vframe*)this)->print(); | |
| 700 } | |
| 701 #endif // PRODUCT |