Mercurial > hg > truffle
annotate src/share/vm/ci/ciMethod.cpp @ 780:c96bf21b756f
6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
Summary: Cache Jvmti and DTrace flags used by Compiler.
Reviewed-by: never
| author | kvn |
|---|---|
| date | Fri, 08 May 2009 10:44:20 -0700 |
| parents | e5b0439ef4ae |
| children | 3a2aa26bdc58 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 710 | 2 * Copyright 1999-2009 Sun Microsystems, Inc. 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_ciMethod.cpp.incl" | |
| 27 | |
| 28 // ciMethod | |
| 29 // | |
| 30 // This class represents a methodOop in the HotSpot virtual | |
| 31 // machine. | |
| 32 | |
| 33 | |
| 34 // ------------------------------------------------------------------ | |
| 35 // ciMethod::ciMethod | |
| 36 // | |
| 37 // Loaded method. | |
| 38 ciMethod::ciMethod(methodHandle h_m) : ciObject(h_m) { | |
| 39 assert(h_m() != NULL, "no null method"); | |
| 40 | |
| 41 // These fields are always filled in in loaded methods. | |
| 42 _flags = ciFlags(h_m()->access_flags()); | |
| 43 | |
| 44 // Easy to compute, so fill them in now. | |
| 45 _max_stack = h_m()->max_stack(); | |
| 46 _max_locals = h_m()->max_locals(); | |
| 47 _code_size = h_m()->code_size(); | |
| 48 _intrinsic_id = h_m()->intrinsic_id(); | |
| 49 _handler_count = h_m()->exception_table()->length() / 4; | |
| 50 _uses_monitors = h_m()->access_flags().has_monitor_bytecodes(); | |
| 51 _balanced_monitors = !_uses_monitors || h_m()->access_flags().is_monitor_matching(); | |
| 52 _is_compilable = !h_m()->is_not_compilable(); | |
| 53 // Lazy fields, filled in on demand. Require allocation. | |
| 54 _code = NULL; | |
| 55 _exception_handlers = NULL; | |
| 56 _liveness = NULL; | |
| 57 _bcea = NULL; | |
| 58 _method_blocks = NULL; | |
| 59 #ifdef COMPILER2 | |
| 60 _flow = NULL; | |
| 61 #endif // COMPILER2 | |
| 62 | |
|
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63 ciEnv *env = CURRENT_ENV; |
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64 if (env->jvmti_can_hotswap_or_post_breakpoint() && _is_compilable) { |
| 0 | 65 // 6328518 check hotswap conditions under the right lock. |
| 66 MutexLocker locker(Compile_lock); | |
| 67 if (Dependencies::check_evol_method(h_m()) != NULL) { | |
| 68 _is_compilable = false; | |
| 69 } | |
| 70 } else { | |
| 71 CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops()); | |
| 72 } | |
| 73 | |
| 74 if (instanceKlass::cast(h_m()->method_holder())->is_linked()) { | |
| 75 _can_be_statically_bound = h_m()->can_be_statically_bound(); | |
| 76 } else { | |
| 77 // Have to use a conservative value in this case. | |
| 78 _can_be_statically_bound = false; | |
| 79 } | |
| 80 | |
| 81 // Adjust the definition of this condition to be more useful: | |
| 82 // %%% take these conditions into account in vtable generation | |
| 83 if (!_can_be_statically_bound && h_m()->is_private()) | |
| 84 _can_be_statically_bound = true; | |
| 85 if (_can_be_statically_bound && h_m()->is_abstract()) | |
| 86 _can_be_statically_bound = false; | |
| 87 | |
| 88 // generating _signature may allow GC and therefore move m. | |
| 89 // These fields are always filled in. | |
| 90 _name = env->get_object(h_m()->name())->as_symbol(); | |
| 91 _holder = env->get_object(h_m()->method_holder())->as_instance_klass(); | |
| 92 ciSymbol* sig_symbol = env->get_object(h_m()->signature())->as_symbol(); | |
| 93 _signature = new (env->arena()) ciSignature(_holder, sig_symbol); | |
| 94 _method_data = NULL; | |
| 95 // Take a snapshot of these values, so they will be commensurate with the MDO. | |
| 96 if (ProfileInterpreter) { | |
| 97 int invcnt = h_m()->interpreter_invocation_count(); | |
| 98 // if the value overflowed report it as max int | |
| 99 _interpreter_invocation_count = invcnt < 0 ? max_jint : invcnt ; | |
| 100 _interpreter_throwout_count = h_m()->interpreter_throwout_count(); | |
| 101 } else { | |
| 102 _interpreter_invocation_count = 0; | |
| 103 _interpreter_throwout_count = 0; | |
| 104 } | |
| 105 if (_interpreter_invocation_count == 0) | |
| 106 _interpreter_invocation_count = 1; | |
| 107 } | |
| 108 | |
| 109 | |
| 110 // ------------------------------------------------------------------ | |
| 111 // ciMethod::ciMethod | |
| 112 // | |
| 113 // Unloaded method. | |
| 114 ciMethod::ciMethod(ciInstanceKlass* holder, | |
| 115 ciSymbol* name, | |
| 116 ciSymbol* signature) : ciObject(ciMethodKlass::make()) { | |
| 117 // These fields are always filled in. | |
| 118 _name = name; | |
| 119 _holder = holder; | |
| 120 _signature = new (CURRENT_ENV->arena()) ciSignature(_holder, signature); | |
| 121 _intrinsic_id = vmIntrinsics::_none; | |
| 122 _liveness = NULL; | |
| 123 _can_be_statically_bound = false; | |
| 124 _bcea = NULL; | |
| 125 _method_blocks = NULL; | |
| 126 _method_data = NULL; | |
| 127 #ifdef COMPILER2 | |
| 128 _flow = NULL; | |
| 129 #endif // COMPILER2 | |
| 130 } | |
| 131 | |
| 132 | |
| 133 // ------------------------------------------------------------------ | |
| 134 // ciMethod::load_code | |
| 135 // | |
| 136 // Load the bytecodes and exception handler table for this method. | |
| 137 void ciMethod::load_code() { | |
| 138 VM_ENTRY_MARK; | |
| 139 assert(is_loaded(), "only loaded methods have code"); | |
| 140 | |
| 141 methodOop me = get_methodOop(); | |
| 142 Arena* arena = CURRENT_THREAD_ENV->arena(); | |
| 143 | |
| 144 // Load the bytecodes. | |
| 145 _code = (address)arena->Amalloc(code_size()); | |
| 146 memcpy(_code, me->code_base(), code_size()); | |
| 147 | |
| 148 // Revert any breakpoint bytecodes in ci's copy | |
|
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149 if (me->number_of_breakpoints() > 0) { |
| 0 | 150 BreakpointInfo* bp = instanceKlass::cast(me->method_holder())->breakpoints(); |
| 151 for (; bp != NULL; bp = bp->next()) { | |
| 152 if (bp->match(me)) { | |
| 153 code_at_put(bp->bci(), bp->orig_bytecode()); | |
| 154 } | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 // And load the exception table. | |
| 159 typeArrayOop exc_table = me->exception_table(); | |
| 160 | |
| 161 // Allocate one extra spot in our list of exceptions. This | |
| 162 // last entry will be used to represent the possibility that | |
| 163 // an exception escapes the method. See ciExceptionHandlerStream | |
| 164 // for details. | |
| 165 _exception_handlers = | |
| 166 (ciExceptionHandler**)arena->Amalloc(sizeof(ciExceptionHandler*) | |
| 167 * (_handler_count + 1)); | |
| 168 if (_handler_count > 0) { | |
| 169 for (int i=0; i<_handler_count; i++) { | |
| 170 int base = i*4; | |
| 171 _exception_handlers[i] = new (arena) ciExceptionHandler( | |
| 172 holder(), | |
| 173 /* start */ exc_table->int_at(base), | |
| 174 /* limit */ exc_table->int_at(base+1), | |
| 175 /* goto pc */ exc_table->int_at(base+2), | |
| 176 /* cp index */ exc_table->int_at(base+3)); | |
| 177 } | |
| 178 } | |
| 179 | |
| 180 // Put an entry at the end of our list to represent the possibility | |
| 181 // of exceptional exit. | |
| 182 _exception_handlers[_handler_count] = | |
| 183 new (arena) ciExceptionHandler(holder(), 0, code_size(), -1, 0); | |
| 184 | |
| 185 if (CIPrintMethodCodes) { | |
| 186 print_codes(); | |
| 187 } | |
| 188 } | |
| 189 | |
| 190 | |
| 191 // ------------------------------------------------------------------ | |
| 192 // ciMethod::has_linenumber_table | |
| 193 // | |
| 194 // length unknown until decompression | |
| 195 bool ciMethod::has_linenumber_table() const { | |
| 196 check_is_loaded(); | |
| 197 VM_ENTRY_MARK; | |
| 198 return get_methodOop()->has_linenumber_table(); | |
| 199 } | |
| 200 | |
| 201 | |
| 202 // ------------------------------------------------------------------ | |
| 203 // ciMethod::compressed_linenumber_table | |
| 204 u_char* ciMethod::compressed_linenumber_table() const { | |
| 205 check_is_loaded(); | |
| 206 VM_ENTRY_MARK; | |
| 207 return get_methodOop()->compressed_linenumber_table(); | |
| 208 } | |
| 209 | |
| 210 | |
| 211 // ------------------------------------------------------------------ | |
| 212 // ciMethod::line_number_from_bci | |
| 213 int ciMethod::line_number_from_bci(int bci) const { | |
| 214 check_is_loaded(); | |
| 215 VM_ENTRY_MARK; | |
| 216 return get_methodOop()->line_number_from_bci(bci); | |
| 217 } | |
| 218 | |
| 219 | |
| 220 // ------------------------------------------------------------------ | |
| 221 // ciMethod::vtable_index | |
| 222 // | |
| 223 // Get the position of this method's entry in the vtable, if any. | |
| 224 int ciMethod::vtable_index() { | |
| 225 check_is_loaded(); | |
| 226 assert(holder()->is_linked(), "must be linked"); | |
| 227 VM_ENTRY_MARK; | |
| 228 return get_methodOop()->vtable_index(); | |
| 229 } | |
| 230 | |
| 231 | |
| 232 // ------------------------------------------------------------------ | |
| 233 // ciMethod::native_entry | |
| 234 // | |
| 235 // Get the address of this method's native code, if any. | |
| 236 address ciMethod::native_entry() { | |
| 237 check_is_loaded(); | |
| 238 assert(flags().is_native(), "must be native method"); | |
| 239 VM_ENTRY_MARK; | |
| 240 methodOop method = get_methodOop(); | |
| 241 address entry = method->native_function(); | |
| 242 assert(entry != NULL, "must be valid entry point"); | |
| 243 return entry; | |
| 244 } | |
| 245 | |
| 246 | |
| 247 // ------------------------------------------------------------------ | |
| 248 // ciMethod::interpreter_entry | |
| 249 // | |
| 250 // Get the entry point for running this method in the interpreter. | |
| 251 address ciMethod::interpreter_entry() { | |
| 252 check_is_loaded(); | |
| 253 VM_ENTRY_MARK; | |
| 254 methodHandle mh(THREAD, get_methodOop()); | |
| 255 return Interpreter::entry_for_method(mh); | |
| 256 } | |
| 257 | |
| 258 | |
| 259 // ------------------------------------------------------------------ | |
| 260 // ciMethod::uses_balanced_monitors | |
| 261 // | |
| 262 // Does this method use monitors in a strict stack-disciplined manner? | |
| 263 bool ciMethod::has_balanced_monitors() { | |
| 264 check_is_loaded(); | |
| 265 if (_balanced_monitors) return true; | |
| 266 | |
| 267 // Analyze the method to see if monitors are used properly. | |
| 268 VM_ENTRY_MARK; | |
| 269 methodHandle method(THREAD, get_methodOop()); | |
| 270 assert(method->has_monitor_bytecodes(), "should have checked this"); | |
| 271 | |
| 272 // Check to see if a previous compilation computed the | |
| 273 // monitor-matching analysis. | |
| 274 if (method->guaranteed_monitor_matching()) { | |
| 275 _balanced_monitors = true; | |
| 276 return true; | |
| 277 } | |
| 278 | |
| 279 { | |
| 280 EXCEPTION_MARK; | |
| 281 ResourceMark rm(THREAD); | |
| 282 GeneratePairingInfo gpi(method); | |
| 283 gpi.compute_map(CATCH); | |
| 284 if (!gpi.monitor_safe()) { | |
| 285 return false; | |
| 286 } | |
| 287 method->set_guaranteed_monitor_matching(); | |
| 288 _balanced_monitors = true; | |
| 289 } | |
| 290 return true; | |
| 291 } | |
| 292 | |
| 293 | |
| 294 // ------------------------------------------------------------------ | |
| 295 // ciMethod::get_flow_analysis | |
| 296 ciTypeFlow* ciMethod::get_flow_analysis() { | |
| 297 #ifdef COMPILER2 | |
| 298 if (_flow == NULL) { | |
| 299 ciEnv* env = CURRENT_ENV; | |
| 300 _flow = new (env->arena()) ciTypeFlow(env, this); | |
| 301 _flow->do_flow(); | |
| 302 } | |
| 303 return _flow; | |
| 304 #else // COMPILER2 | |
| 305 ShouldNotReachHere(); | |
| 306 return NULL; | |
| 307 #endif // COMPILER2 | |
| 308 } | |
| 309 | |
| 310 | |
| 311 // ------------------------------------------------------------------ | |
| 312 // ciMethod::get_osr_flow_analysis | |
| 313 ciTypeFlow* ciMethod::get_osr_flow_analysis(int osr_bci) { | |
| 314 #ifdef COMPILER2 | |
| 315 // OSR entry points are always place after a call bytecode of some sort | |
| 316 assert(osr_bci >= 0, "must supply valid OSR entry point"); | |
| 317 ciEnv* env = CURRENT_ENV; | |
| 318 ciTypeFlow* flow = new (env->arena()) ciTypeFlow(env, this, osr_bci); | |
| 319 flow->do_flow(); | |
| 320 return flow; | |
| 321 #else // COMPILER2 | |
| 322 ShouldNotReachHere(); | |
| 323 return NULL; | |
| 324 #endif // COMPILER2 | |
| 325 } | |
| 326 | |
| 327 // ------------------------------------------------------------------ | |
| 328 // ciMethod::liveness_at_bci | |
| 329 // | |
| 330 // Which local variables are live at a specific bci? | |
| 331 MethodLivenessResult ciMethod::liveness_at_bci(int bci) { | |
| 332 check_is_loaded(); | |
| 333 if (_liveness == NULL) { | |
| 334 // Create the liveness analyzer. | |
| 335 Arena* arena = CURRENT_ENV->arena(); | |
| 336 _liveness = new (arena) MethodLiveness(arena, this); | |
| 337 _liveness->compute_liveness(); | |
| 338 } | |
| 339 MethodLivenessResult result = _liveness->get_liveness_at(bci); | |
|
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diff
changeset
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340 if (CURRENT_ENV->jvmti_can_access_local_variables() || DeoptimizeALot || CompileTheWorld) { |
| 0 | 341 // Keep all locals live for the user's edification and amusement. |
| 342 result.at_put_range(0, result.size(), true); | |
| 343 } | |
| 344 return result; | |
| 345 } | |
| 346 | |
| 347 // ciMethod::live_local_oops_at_bci | |
| 348 // | |
| 349 // find all the live oops in the locals array for a particular bci | |
| 350 // Compute what the interpreter believes by using the interpreter | |
| 351 // oopmap generator. This is used as a double check during osr to | |
| 352 // guard against conservative result from MethodLiveness making us | |
| 353 // think a dead oop is live. MethodLiveness is conservative in the | |
| 354 // sense that it may consider locals to be live which cannot be live, | |
| 355 // like in the case where a local could contain an oop or a primitive | |
| 356 // along different paths. In that case the local must be dead when | |
| 357 // those paths merge. Since the interpreter's viewpoint is used when | |
| 358 // gc'ing an interpreter frame we need to use its viewpoint during | |
| 359 // OSR when loading the locals. | |
| 360 | |
| 361 BitMap ciMethod::live_local_oops_at_bci(int bci) { | |
| 362 VM_ENTRY_MARK; | |
| 363 InterpreterOopMap mask; | |
| 364 OopMapCache::compute_one_oop_map(get_methodOop(), bci, &mask); | |
| 365 int mask_size = max_locals(); | |
| 366 BitMap result(mask_size); | |
| 367 result.clear(); | |
| 368 int i; | |
| 369 for (i = 0; i < mask_size ; i++ ) { | |
| 370 if (mask.is_oop(i)) result.set_bit(i); | |
| 371 } | |
| 372 return result; | |
| 373 } | |
| 374 | |
| 375 | |
| 376 #ifdef COMPILER1 | |
| 377 // ------------------------------------------------------------------ | |
| 378 // ciMethod::bci_block_start | |
| 379 // | |
| 380 // Marks all bcis where a new basic block starts | |
| 381 const BitMap ciMethod::bci_block_start() { | |
| 382 check_is_loaded(); | |
| 383 if (_liveness == NULL) { | |
| 384 // Create the liveness analyzer. | |
| 385 Arena* arena = CURRENT_ENV->arena(); | |
| 386 _liveness = new (arena) MethodLiveness(arena, this); | |
| 387 _liveness->compute_liveness(); | |
| 388 } | |
| 389 | |
| 390 return _liveness->get_bci_block_start(); | |
| 391 } | |
| 392 #endif // COMPILER1 | |
| 393 | |
| 394 | |
| 395 // ------------------------------------------------------------------ | |
| 396 // ciMethod::call_profile_at_bci | |
| 397 // | |
| 398 // Get the ciCallProfile for the invocation of this method. | |
| 399 // Also reports receiver types for non-call type checks (if TypeProfileCasts). | |
| 400 ciCallProfile ciMethod::call_profile_at_bci(int bci) { | |
| 401 ResourceMark rm; | |
| 402 ciCallProfile result; | |
| 403 if (method_data() != NULL && method_data()->is_mature()) { | |
| 404 ciProfileData* data = method_data()->bci_to_data(bci); | |
| 405 if (data != NULL && data->is_CounterData()) { | |
| 406 // Every profiled call site has a counter. | |
| 407 int count = data->as_CounterData()->count(); | |
| 408 | |
| 409 if (!data->is_ReceiverTypeData()) { | |
| 410 result._receiver_count[0] = 0; // that's a definite zero | |
| 411 } else { // ReceiverTypeData is a subclass of CounterData | |
| 412 ciReceiverTypeData* call = (ciReceiverTypeData*)data->as_ReceiverTypeData(); | |
| 413 // In addition, virtual call sites have receiver type information | |
| 414 int receivers_count_total = 0; | |
| 415 int morphism = 0; | |
| 416 for (uint i = 0; i < call->row_limit(); i++) { | |
| 417 ciKlass* receiver = call->receiver(i); | |
| 418 if (receiver == NULL) continue; | |
| 419 morphism += 1; | |
| 420 int rcount = call->receiver_count(i); | |
| 421 if (rcount == 0) rcount = 1; // Should be valid value | |
| 422 receivers_count_total += rcount; | |
| 423 // Add the receiver to result data. | |
| 424 result.add_receiver(receiver, rcount); | |
| 425 // If we extend profiling to record methods, | |
| 426 // we will set result._method also. | |
| 427 } | |
| 428 // Determine call site's morphism. | |
| 429 // The call site count could be == (receivers_count_total + 1) | |
| 430 // not only in the case of a polymorphic call but also in the case | |
| 431 // when a method data snapshot is taken after the site count was updated | |
| 432 // but before receivers counters were updated. | |
| 433 if (morphism == result._limit) { | |
| 434 // There were no array klasses and morphism <= MorphismLimit. | |
| 435 if (morphism < ciCallProfile::MorphismLimit || | |
| 436 morphism == ciCallProfile::MorphismLimit && | |
| 437 (receivers_count_total+1) >= count) { | |
| 438 result._morphism = morphism; | |
| 439 } | |
| 440 } | |
| 441 // Make the count consistent if this is a call profile. If count is | |
| 442 // zero or less, presume that this is a typecheck profile and | |
| 443 // do nothing. Otherwise, increase count to be the sum of all | |
| 444 // receiver's counts. | |
| 445 if (count > 0) { | |
| 446 if (count < receivers_count_total) { | |
| 447 count = receivers_count_total; | |
| 448 } | |
| 449 } | |
| 450 } | |
| 451 result._count = count; | |
| 452 } | |
| 453 } | |
| 454 return result; | |
| 455 } | |
| 456 | |
| 457 // ------------------------------------------------------------------ | |
| 458 // Add new receiver and sort data by receiver's profile count. | |
| 459 void ciCallProfile::add_receiver(ciKlass* receiver, int receiver_count) { | |
| 460 // Add new receiver and sort data by receiver's counts when we have space | |
| 461 // for it otherwise replace the less called receiver (less called receiver | |
| 462 // is placed to the last array element which is not used). | |
| 463 // First array's element contains most called receiver. | |
| 464 int i = _limit; | |
| 465 for (; i > 0 && receiver_count > _receiver_count[i-1]; i--) { | |
| 466 _receiver[i] = _receiver[i-1]; | |
| 467 _receiver_count[i] = _receiver_count[i-1]; | |
| 468 } | |
| 469 _receiver[i] = receiver; | |
| 470 _receiver_count[i] = receiver_count; | |
| 471 if (_limit < MorphismLimit) _limit++; | |
| 472 } | |
| 473 | |
| 474 // ------------------------------------------------------------------ | |
| 475 // ciMethod::find_monomorphic_target | |
| 476 // | |
| 477 // Given a certain calling environment, find the monomorphic target | |
| 478 // for the call. Return NULL if the call is not monomorphic in | |
| 479 // its calling environment, or if there are only abstract methods. | |
| 480 // The returned method is never abstract. | |
| 481 // Note: If caller uses a non-null result, it must inform dependencies | |
| 482 // via assert_unique_concrete_method or assert_leaf_type. | |
| 483 ciMethod* ciMethod::find_monomorphic_target(ciInstanceKlass* caller, | |
| 484 ciInstanceKlass* callee_holder, | |
| 485 ciInstanceKlass* actual_recv) { | |
| 486 check_is_loaded(); | |
| 487 | |
| 488 if (actual_recv->is_interface()) { | |
| 489 // %%% We cannot trust interface types, yet. See bug 6312651. | |
| 490 return NULL; | |
| 491 } | |
| 492 | |
| 493 ciMethod* root_m = resolve_invoke(caller, actual_recv); | |
| 494 if (root_m == NULL) { | |
| 495 // Something went wrong looking up the actual receiver method. | |
| 496 return NULL; | |
| 497 } | |
| 498 assert(!root_m->is_abstract(), "resolve_invoke promise"); | |
| 499 | |
| 500 // Make certain quick checks even if UseCHA is false. | |
| 501 | |
| 502 // Is it private or final? | |
| 503 if (root_m->can_be_statically_bound()) { | |
| 504 return root_m; | |
| 505 } | |
| 506 | |
| 507 if (actual_recv->is_leaf_type() && actual_recv == root_m->holder()) { | |
| 508 // Easy case. There is no other place to put a method, so don't bother | |
| 509 // to go through the VM_ENTRY_MARK and all the rest. | |
| 510 return root_m; | |
| 511 } | |
| 512 | |
| 513 // Array methods (clone, hashCode, etc.) are always statically bound. | |
| 514 // If we were to see an array type here, we'd return root_m. | |
| 515 // However, this method processes only ciInstanceKlasses. (See 4962591.) | |
| 516 // The inline_native_clone intrinsic narrows Object to T[] properly, | |
| 517 // so there is no need to do the same job here. | |
| 518 | |
| 519 if (!UseCHA) return NULL; | |
| 520 | |
| 521 VM_ENTRY_MARK; | |
| 522 | |
| 523 methodHandle target; | |
| 524 { | |
| 525 MutexLocker locker(Compile_lock); | |
| 526 klassOop context = actual_recv->get_klassOop(); | |
| 527 target = Dependencies::find_unique_concrete_method(context, | |
| 528 root_m->get_methodOop()); | |
| 529 // %%% Should upgrade this ciMethod API to look for 1 or 2 concrete methods. | |
| 530 } | |
| 531 | |
| 532 #ifndef PRODUCT | |
| 533 if (TraceDependencies && target() != NULL && target() != root_m->get_methodOop()) { | |
| 534 tty->print("found a non-root unique target method"); | |
| 535 tty->print_cr(" context = %s", instanceKlass::cast(actual_recv->get_klassOop())->external_name()); | |
| 536 tty->print(" method = "); | |
| 537 target->print_short_name(tty); | |
| 538 tty->cr(); | |
| 539 } | |
| 540 #endif //PRODUCT | |
| 541 | |
| 542 if (target() == NULL) { | |
| 543 return NULL; | |
| 544 } | |
| 545 if (target() == root_m->get_methodOop()) { | |
| 546 return root_m; | |
| 547 } | |
| 548 if (!root_m->is_public() && | |
| 549 !root_m->is_protected()) { | |
| 550 // If we are going to reason about inheritance, it's easiest | |
| 551 // if the method in question is public, protected, or private. | |
| 552 // If the answer is not root_m, it is conservatively correct | |
| 553 // to return NULL, even if the CHA encountered irrelevant | |
| 554 // methods in other packages. | |
| 555 // %%% TO DO: Work out logic for package-private methods | |
| 556 // with the same name but different vtable indexes. | |
| 557 return NULL; | |
| 558 } | |
| 559 return CURRENT_THREAD_ENV->get_object(target())->as_method(); | |
| 560 } | |
| 561 | |
| 562 // ------------------------------------------------------------------ | |
| 563 // ciMethod::resolve_invoke | |
| 564 // | |
| 565 // Given a known receiver klass, find the target for the call. | |
| 566 // Return NULL if the call has no target or the target is abstract. | |
| 567 ciMethod* ciMethod::resolve_invoke(ciKlass* caller, ciKlass* exact_receiver) { | |
| 568 check_is_loaded(); | |
| 569 VM_ENTRY_MARK; | |
| 570 | |
| 571 KlassHandle caller_klass (THREAD, caller->get_klassOop()); | |
| 572 KlassHandle h_recv (THREAD, exact_receiver->get_klassOop()); | |
| 573 KlassHandle h_resolved (THREAD, holder()->get_klassOop()); | |
| 574 symbolHandle h_name (THREAD, name()->get_symbolOop()); | |
| 575 symbolHandle h_signature (THREAD, signature()->get_symbolOop()); | |
| 576 | |
| 577 methodHandle m; | |
| 578 // Only do exact lookup if receiver klass has been linked. Otherwise, | |
| 579 // the vtable has not been setup, and the LinkResolver will fail. | |
| 580 if (h_recv->oop_is_javaArray() | |
| 581 || | |
| 582 instanceKlass::cast(h_recv())->is_linked() && !exact_receiver->is_interface()) { | |
| 583 if (holder()->is_interface()) { | |
| 584 m = LinkResolver::resolve_interface_call_or_null(h_recv, h_resolved, h_name, h_signature, caller_klass); | |
| 585 } else { | |
| 586 m = LinkResolver::resolve_virtual_call_or_null(h_recv, h_resolved, h_name, h_signature, caller_klass); | |
| 587 } | |
| 588 } | |
| 589 | |
| 590 if (m.is_null()) { | |
| 591 // Return NULL only if there was a problem with lookup (uninitialized class, etc.) | |
| 592 return NULL; | |
| 593 } | |
| 594 | |
| 595 ciMethod* result = this; | |
| 596 if (m() != get_methodOop()) { | |
| 597 result = CURRENT_THREAD_ENV->get_object(m())->as_method(); | |
| 598 } | |
| 599 | |
| 600 // Don't return abstract methods because they aren't | |
| 601 // optimizable or interesting. | |
| 602 if (result->is_abstract()) { | |
| 603 return NULL; | |
| 604 } else { | |
| 605 return result; | |
| 606 } | |
| 607 } | |
| 608 | |
| 609 // ------------------------------------------------------------------ | |
| 610 // ciMethod::resolve_vtable_index | |
| 611 // | |
| 612 // Given a known receiver klass, find the vtable index for the call. | |
| 613 // Return methodOopDesc::invalid_vtable_index if the vtable_index is unknown. | |
| 614 int ciMethod::resolve_vtable_index(ciKlass* caller, ciKlass* receiver) { | |
| 615 check_is_loaded(); | |
| 616 | |
| 617 int vtable_index = methodOopDesc::invalid_vtable_index; | |
| 618 // Only do lookup if receiver klass has been linked. Otherwise, | |
| 619 // the vtable has not been setup, and the LinkResolver will fail. | |
| 620 if (!receiver->is_interface() | |
| 621 && (!receiver->is_instance_klass() || | |
| 622 receiver->as_instance_klass()->is_linked())) { | |
| 623 VM_ENTRY_MARK; | |
| 624 | |
| 625 KlassHandle caller_klass (THREAD, caller->get_klassOop()); | |
| 626 KlassHandle h_recv (THREAD, receiver->get_klassOop()); | |
| 627 symbolHandle h_name (THREAD, name()->get_symbolOop()); | |
| 628 symbolHandle h_signature (THREAD, signature()->get_symbolOop()); | |
| 629 | |
| 630 vtable_index = LinkResolver::resolve_virtual_vtable_index(h_recv, h_recv, h_name, h_signature, caller_klass); | |
| 631 if (vtable_index == methodOopDesc::nonvirtual_vtable_index) { | |
| 632 // A statically bound method. Return "no such index". | |
| 633 vtable_index = methodOopDesc::invalid_vtable_index; | |
| 634 } | |
| 635 } | |
| 636 | |
| 637 return vtable_index; | |
| 638 } | |
| 639 | |
| 640 // ------------------------------------------------------------------ | |
| 641 // ciMethod::interpreter_call_site_count | |
| 642 int ciMethod::interpreter_call_site_count(int bci) { | |
| 643 if (method_data() != NULL) { | |
| 644 ResourceMark rm; | |
| 645 ciProfileData* data = method_data()->bci_to_data(bci); | |
| 646 if (data != NULL && data->is_CounterData()) { | |
| 647 return scale_count(data->as_CounterData()->count()); | |
| 648 } | |
| 649 } | |
| 650 return -1; // unknown | |
| 651 } | |
| 652 | |
| 653 // ------------------------------------------------------------------ | |
| 654 // Adjust a CounterData count to be commensurate with | |
| 655 // interpreter_invocation_count. If the MDO exists for | |
| 656 // only 25% of the time the method exists, then the | |
| 657 // counts in the MDO should be scaled by 4X, so that | |
| 658 // they can be usefully and stably compared against the | |
| 659 // invocation counts in methods. | |
| 660 int ciMethod::scale_count(int count, float prof_factor) { | |
| 661 if (count > 0 && method_data() != NULL) { | |
| 662 int current_mileage = method_data()->current_mileage(); | |
| 663 int creation_mileage = method_data()->creation_mileage(); | |
| 664 int counter_life = current_mileage - creation_mileage; | |
| 665 int method_life = interpreter_invocation_count(); | |
| 666 // counter_life due to backedge_counter could be > method_life | |
| 667 if (counter_life > method_life) | |
| 668 counter_life = method_life; | |
| 669 if (0 < counter_life && counter_life <= method_life) { | |
| 670 count = (int)((double)count * prof_factor * method_life / counter_life + 0.5); | |
| 671 count = (count > 0) ? count : 1; | |
| 672 } | |
| 673 } | |
| 674 return count; | |
| 675 } | |
| 676 | |
| 677 // ------------------------------------------------------------------ | |
| 710 | 678 // invokedynamic support |
| 679 // | |
| 680 bool ciMethod::is_method_handle_invoke() { | |
| 681 check_is_loaded(); | |
| 682 bool flag = ((flags().as_int() & JVM_MH_INVOKE_BITS) == JVM_MH_INVOKE_BITS); | |
| 683 #ifdef ASSERT | |
| 684 { | |
| 685 VM_ENTRY_MARK; | |
| 686 bool flag2 = get_methodOop()->is_method_handle_invoke(); | |
| 687 assert(flag == flag2, "consistent"); | |
| 688 } | |
| 689 #endif //ASSERT | |
| 690 return flag; | |
| 691 } | |
| 692 | |
| 693 ciInstance* ciMethod::method_handle_type() { | |
| 694 check_is_loaded(); | |
| 695 VM_ENTRY_MARK; | |
| 696 oop mtype = get_methodOop()->method_handle_type(); | |
| 697 return CURRENT_THREAD_ENV->get_object(mtype)->as_instance(); | |
| 698 } | |
| 699 | |
| 700 | |
| 701 // ------------------------------------------------------------------ | |
| 0 | 702 // ciMethod::build_method_data |
| 703 // | |
| 704 // Generate new methodDataOop objects at compile time. | |
| 705 void ciMethod::build_method_data(methodHandle h_m) { | |
| 706 EXCEPTION_CONTEXT; | |
| 707 if (is_native() || is_abstract() || h_m()->is_accessor()) return; | |
| 708 if (h_m()->method_data() == NULL) { | |
| 709 methodOopDesc::build_interpreter_method_data(h_m, THREAD); | |
| 710 if (HAS_PENDING_EXCEPTION) { | |
| 711 CLEAR_PENDING_EXCEPTION; | |
| 712 } | |
| 713 } | |
| 714 if (h_m()->method_data() != NULL) { | |
| 715 _method_data = CURRENT_ENV->get_object(h_m()->method_data())->as_method_data(); | |
| 716 _method_data->load_data(); | |
| 717 } else { | |
| 718 _method_data = CURRENT_ENV->get_empty_methodData(); | |
| 719 } | |
| 720 } | |
| 721 | |
| 722 // public, retroactive version | |
| 723 void ciMethod::build_method_data() { | |
| 724 if (_method_data == NULL || _method_data->is_empty()) { | |
| 725 GUARDED_VM_ENTRY({ | |
| 726 build_method_data(get_methodOop()); | |
| 727 }); | |
| 728 } | |
| 729 } | |
| 730 | |
| 731 | |
| 732 // ------------------------------------------------------------------ | |
| 733 // ciMethod::method_data | |
| 734 // | |
| 735 ciMethodData* ciMethod::method_data() { | |
| 736 if (_method_data != NULL) { | |
| 737 return _method_data; | |
| 738 } | |
| 739 VM_ENTRY_MARK; | |
| 740 ciEnv* env = CURRENT_ENV; | |
| 741 Thread* my_thread = JavaThread::current(); | |
| 742 methodHandle h_m(my_thread, get_methodOop()); | |
| 743 | |
| 744 if (Tier1UpdateMethodData && is_tier1_compile(env->comp_level())) { | |
| 745 build_method_data(h_m); | |
| 746 } | |
| 747 | |
| 748 if (h_m()->method_data() != NULL) { | |
| 749 _method_data = CURRENT_ENV->get_object(h_m()->method_data())->as_method_data(); | |
| 750 _method_data->load_data(); | |
| 751 } else { | |
| 752 _method_data = CURRENT_ENV->get_empty_methodData(); | |
| 753 } | |
| 754 return _method_data; | |
| 755 | |
| 756 } | |
| 757 | |
| 758 | |
| 759 // ------------------------------------------------------------------ | |
| 760 // ciMethod::will_link | |
| 761 // | |
| 762 // Will this method link in a specific calling context? | |
| 763 bool ciMethod::will_link(ciKlass* accessing_klass, | |
| 764 ciKlass* declared_method_holder, | |
| 765 Bytecodes::Code bc) { | |
| 766 if (!is_loaded()) { | |
| 767 // Method lookup failed. | |
| 768 return false; | |
| 769 } | |
| 770 | |
| 771 // The link checks have been front-loaded into the get_method | |
| 772 // call. This method (ciMethod::will_link()) will be removed | |
| 773 // in the future. | |
| 774 | |
| 775 return true; | |
| 776 } | |
| 777 | |
| 778 // ------------------------------------------------------------------ | |
| 779 // ciMethod::should_exclude | |
| 780 // | |
| 781 // Should this method be excluded from compilation? | |
| 782 bool ciMethod::should_exclude() { | |
| 783 check_is_loaded(); | |
| 784 VM_ENTRY_MARK; | |
| 785 methodHandle mh(THREAD, get_methodOop()); | |
| 786 bool ignore; | |
| 787 return CompilerOracle::should_exclude(mh, ignore); | |
| 788 } | |
| 789 | |
| 790 // ------------------------------------------------------------------ | |
| 791 // ciMethod::should_inline | |
| 792 // | |
| 793 // Should this method be inlined during compilation? | |
| 794 bool ciMethod::should_inline() { | |
| 795 check_is_loaded(); | |
| 796 VM_ENTRY_MARK; | |
| 797 methodHandle mh(THREAD, get_methodOop()); | |
| 798 return CompilerOracle::should_inline(mh); | |
| 799 } | |
| 800 | |
| 801 // ------------------------------------------------------------------ | |
| 802 // ciMethod::should_not_inline | |
| 803 // | |
| 804 // Should this method be disallowed from inlining during compilation? | |
| 805 bool ciMethod::should_not_inline() { | |
| 806 check_is_loaded(); | |
| 807 VM_ENTRY_MARK; | |
| 808 methodHandle mh(THREAD, get_methodOop()); | |
| 809 return CompilerOracle::should_not_inline(mh); | |
| 810 } | |
| 811 | |
| 812 // ------------------------------------------------------------------ | |
| 813 // ciMethod::should_print_assembly | |
| 814 // | |
| 815 // Should the compiler print the generated code for this method? | |
| 816 bool ciMethod::should_print_assembly() { | |
| 817 check_is_loaded(); | |
| 818 VM_ENTRY_MARK; | |
| 819 methodHandle mh(THREAD, get_methodOop()); | |
| 820 return CompilerOracle::should_print(mh); | |
| 821 } | |
| 822 | |
| 823 // ------------------------------------------------------------------ | |
| 824 // ciMethod::break_at_execute | |
| 825 // | |
| 826 // Should the compiler insert a breakpoint into the generated code | |
| 827 // method? | |
| 828 bool ciMethod::break_at_execute() { | |
| 829 check_is_loaded(); | |
| 830 VM_ENTRY_MARK; | |
| 831 methodHandle mh(THREAD, get_methodOop()); | |
| 832 return CompilerOracle::should_break_at(mh); | |
| 833 } | |
| 834 | |
| 835 // ------------------------------------------------------------------ | |
| 836 // ciMethod::has_option | |
| 837 // | |
| 838 bool ciMethod::has_option(const char* option) { | |
| 839 check_is_loaded(); | |
| 840 VM_ENTRY_MARK; | |
| 841 methodHandle mh(THREAD, get_methodOop()); | |
| 842 return CompilerOracle::has_option_string(mh, option); | |
| 843 } | |
| 844 | |
| 845 // ------------------------------------------------------------------ | |
| 846 // ciMethod::can_be_compiled | |
| 847 // | |
| 848 // Have previous compilations of this method succeeded? | |
| 849 bool ciMethod::can_be_compiled() { | |
| 850 check_is_loaded(); | |
| 851 return _is_compilable; | |
| 852 } | |
| 853 | |
| 854 // ------------------------------------------------------------------ | |
| 855 // ciMethod::set_not_compilable | |
| 856 // | |
| 857 // Tell the VM that this method cannot be compiled at all. | |
| 858 void ciMethod::set_not_compilable() { | |
| 859 check_is_loaded(); | |
| 860 VM_ENTRY_MARK; | |
| 861 _is_compilable = false; | |
| 862 get_methodOop()->set_not_compilable(); | |
| 863 } | |
| 864 | |
| 865 // ------------------------------------------------------------------ | |
| 866 // ciMethod::can_be_osr_compiled | |
| 867 // | |
| 868 // Have previous compilations of this method succeeded? | |
| 869 // | |
| 870 // Implementation note: the VM does not currently keep track | |
| 871 // of failed OSR compilations per bci. The entry_bci parameter | |
| 872 // is currently unused. | |
| 873 bool ciMethod::can_be_osr_compiled(int entry_bci) { | |
| 874 check_is_loaded(); | |
| 875 VM_ENTRY_MARK; | |
| 876 return !get_methodOop()->access_flags().is_not_osr_compilable(); | |
| 877 } | |
| 878 | |
| 879 // ------------------------------------------------------------------ | |
| 880 // ciMethod::has_compiled_code | |
| 881 bool ciMethod::has_compiled_code() { | |
| 882 VM_ENTRY_MARK; | |
| 883 return get_methodOop()->code() != NULL; | |
| 884 } | |
| 885 | |
| 886 // ------------------------------------------------------------------ | |
| 887 // ciMethod::instructions_size | |
| 888 // This is a rough metric for "fat" methods, compared | |
| 889 // before inlining with InlineSmallCode. | |
| 890 // The CodeBlob::instructions_size accessor includes | |
| 891 // junk like exception handler, stubs, and constant table, | |
| 892 // which are not highly relevant to an inlined method. | |
| 893 // So we use the more specific accessor nmethod::code_size. | |
| 894 int ciMethod::instructions_size() { | |
| 895 GUARDED_VM_ENTRY( | |
| 896 nmethod* code = get_methodOop()->code(); | |
| 897 // if there's no compiled code or the code was produced by the | |
| 898 // tier1 profiler return 0 for the code size. This should | |
| 899 // probably be based on the compilation level of the nmethod but | |
| 900 // that currently isn't properly recorded. | |
| 901 if (code == NULL || | |
| 902 (TieredCompilation && code->compiler() != NULL && code->compiler()->is_c1())) { | |
| 903 return 0; | |
| 904 } | |
|
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905 return code->code_end() - code->verified_entry_point(); |
| 0 | 906 ) |
| 907 } | |
| 908 | |
| 909 // ------------------------------------------------------------------ | |
| 910 // ciMethod::log_nmethod_identity | |
| 911 void ciMethod::log_nmethod_identity(xmlStream* log) { | |
| 912 GUARDED_VM_ENTRY( | |
| 913 nmethod* code = get_methodOop()->code(); | |
| 914 if (code != NULL) { | |
| 915 code->log_identity(log); | |
| 916 } | |
| 917 ) | |
| 918 } | |
| 919 | |
| 920 // ------------------------------------------------------------------ | |
| 921 // ciMethod::is_not_reached | |
| 922 bool ciMethod::is_not_reached(int bci) { | |
| 923 check_is_loaded(); | |
| 924 VM_ENTRY_MARK; | |
| 925 return Interpreter::is_not_reached( | |
| 926 methodHandle(THREAD, get_methodOop()), bci); | |
| 927 } | |
| 928 | |
| 929 // ------------------------------------------------------------------ | |
| 930 // ciMethod::was_never_executed | |
| 931 bool ciMethod::was_executed_more_than(int times) { | |
| 932 VM_ENTRY_MARK; | |
| 933 return get_methodOop()->was_executed_more_than(times); | |
| 934 } | |
| 935 | |
| 936 // ------------------------------------------------------------------ | |
| 937 // ciMethod::has_unloaded_classes_in_signature | |
| 938 bool ciMethod::has_unloaded_classes_in_signature() { | |
| 939 VM_ENTRY_MARK; | |
| 940 { | |
| 941 EXCEPTION_MARK; | |
| 942 methodHandle m(THREAD, get_methodOop()); | |
| 943 bool has_unloaded = methodOopDesc::has_unloaded_classes_in_signature(m, (JavaThread *)THREAD); | |
| 944 if( HAS_PENDING_EXCEPTION ) { | |
| 945 CLEAR_PENDING_EXCEPTION; | |
| 946 return true; // Declare that we may have unloaded classes | |
| 947 } | |
| 948 return has_unloaded; | |
| 949 } | |
| 950 } | |
| 951 | |
| 952 // ------------------------------------------------------------------ | |
| 953 // ciMethod::is_klass_loaded | |
| 954 bool ciMethod::is_klass_loaded(int refinfo_index, bool must_be_resolved) const { | |
| 955 VM_ENTRY_MARK; | |
| 956 return get_methodOop()->is_klass_loaded(refinfo_index, must_be_resolved); | |
| 957 } | |
| 958 | |
| 959 // ------------------------------------------------------------------ | |
| 960 // ciMethod::check_call | |
| 961 bool ciMethod::check_call(int refinfo_index, bool is_static) const { | |
| 962 VM_ENTRY_MARK; | |
| 963 { | |
| 964 EXCEPTION_MARK; | |
| 965 HandleMark hm(THREAD); | |
| 966 constantPoolHandle pool (THREAD, get_methodOop()->constants()); | |
| 967 methodHandle spec_method; | |
| 968 KlassHandle spec_klass; | |
| 969 LinkResolver::resolve_method(spec_method, spec_klass, pool, refinfo_index, THREAD); | |
| 970 if (HAS_PENDING_EXCEPTION) { | |
| 971 CLEAR_PENDING_EXCEPTION; | |
| 972 return false; | |
| 973 } else { | |
| 974 return (spec_method->is_static() == is_static); | |
| 975 } | |
| 976 } | |
| 977 return false; | |
| 978 } | |
| 979 | |
| 980 // ------------------------------------------------------------------ | |
| 981 // ciMethod::print_codes | |
| 982 // | |
| 983 // Print the bytecodes for this method. | |
| 984 void ciMethod::print_codes_on(outputStream* st) { | |
| 985 check_is_loaded(); | |
| 986 GUARDED_VM_ENTRY(get_methodOop()->print_codes_on(st);) | |
| 987 } | |
| 988 | |
| 989 | |
| 990 #define FETCH_FLAG_FROM_VM(flag_accessor) { \ | |
| 991 check_is_loaded(); \ | |
| 992 VM_ENTRY_MARK; \ | |
| 993 return get_methodOop()->flag_accessor(); \ | |
| 994 } | |
| 995 | |
| 996 bool ciMethod::is_empty_method() const { FETCH_FLAG_FROM_VM(is_empty_method); } | |
| 997 bool ciMethod::is_vanilla_constructor() const { FETCH_FLAG_FROM_VM(is_vanilla_constructor); } | |
| 998 bool ciMethod::has_loops () const { FETCH_FLAG_FROM_VM(has_loops); } | |
| 999 bool ciMethod::has_jsrs () const { FETCH_FLAG_FROM_VM(has_jsrs); } | |
| 1000 bool ciMethod::is_accessor () const { FETCH_FLAG_FROM_VM(is_accessor); } | |
| 1001 bool ciMethod::is_initializer () const { FETCH_FLAG_FROM_VM(is_initializer); } | |
| 1002 | |
| 1003 BCEscapeAnalyzer *ciMethod::get_bcea() { | |
| 1004 if (_bcea == NULL) { | |
| 1005 _bcea = new (CURRENT_ENV->arena()) BCEscapeAnalyzer(this, NULL); | |
| 1006 } | |
| 1007 return _bcea; | |
| 1008 } | |
| 1009 | |
| 1010 ciMethodBlocks *ciMethod::get_method_blocks() { | |
| 1011 Arena *arena = CURRENT_ENV->arena(); | |
| 1012 if (_method_blocks == NULL) { | |
| 1013 _method_blocks = new (arena) ciMethodBlocks(arena, this); | |
| 1014 } | |
| 1015 return _method_blocks; | |
| 1016 } | |
| 1017 | |
| 1018 #undef FETCH_FLAG_FROM_VM | |
| 1019 | |
| 1020 | |
| 1021 // ------------------------------------------------------------------ | |
| 1022 // ciMethod::print_codes | |
| 1023 // | |
| 1024 // Print a range of the bytecodes for this method. | |
| 1025 void ciMethod::print_codes_on(int from, int to, outputStream* st) { | |
| 1026 check_is_loaded(); | |
| 1027 GUARDED_VM_ENTRY(get_methodOop()->print_codes_on(from, to, st);) | |
| 1028 } | |
| 1029 | |
| 1030 // ------------------------------------------------------------------ | |
| 1031 // ciMethod::print_name | |
| 1032 // | |
| 1033 // Print the name of this method, including signature and some flags. | |
| 1034 void ciMethod::print_name(outputStream* st) { | |
| 1035 check_is_loaded(); | |
| 1036 GUARDED_VM_ENTRY(get_methodOop()->print_name(st);) | |
| 1037 } | |
| 1038 | |
| 1039 // ------------------------------------------------------------------ | |
| 1040 // ciMethod::print_short_name | |
| 1041 // | |
| 1042 // Print the name of this method, without signature. | |
| 1043 void ciMethod::print_short_name(outputStream* st) { | |
| 1044 check_is_loaded(); | |
| 1045 GUARDED_VM_ENTRY(get_methodOop()->print_short_name(st);) | |
| 1046 } | |
| 1047 | |
| 1048 // ------------------------------------------------------------------ | |
| 1049 // ciMethod::print_impl | |
| 1050 // | |
| 1051 // Implementation of the print method. | |
| 1052 void ciMethod::print_impl(outputStream* st) { | |
| 1053 ciObject::print_impl(st); | |
| 1054 st->print(" name="); | |
| 1055 name()->print_symbol_on(st); | |
| 1056 st->print(" holder="); | |
| 1057 holder()->print_name_on(st); | |
| 1058 st->print(" signature="); | |
| 1059 signature()->as_symbol()->print_symbol_on(st); | |
| 1060 if (is_loaded()) { | |
| 1061 st->print(" loaded=true flags="); | |
| 1062 flags().print_member_flags(st); | |
| 1063 } else { | |
| 1064 st->print(" loaded=false"); | |
| 1065 } | |
| 1066 } |