1 /* 2 * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "jvm.h" 27 #include "classfile/symbolTable.hpp" 28 #include "classfile/vmSymbols.hpp" 29 #include "compiler/compilerDirectives.hpp" 30 #include "memory/allocation.inline.hpp" 31 #include "memory/oopFactory.hpp" 32 #include "memory/metaspaceClosure.hpp" 33 #include "oops/oop.inline.hpp" 34 #include "runtime/handles.inline.hpp" 35 #include "utilities/xmlstream.hpp" 36 37 38 Symbol* vmSymbols::_symbols[vmSymbols::SID_LIMIT]; 39 40 Symbol* vmSymbols::_type_signatures[T_VOID+1] = { NULL /*, NULL...*/ }; 41 42 inline int compare_symbol(const Symbol* a, const Symbol* b) { 43 if (a == b) return 0; 44 // follow the natural address order: 45 return (address)a > (address)b ? +1 : -1; 46 } 47 48 static vmSymbols::SID vm_symbol_index[vmSymbols::SID_LIMIT]; 49 extern "C" { 50 static int compare_vmsymbol_sid(const void* void_a, const void* void_b) { 51 const Symbol* a = vmSymbols::symbol_at(*((vmSymbols::SID*) void_a)); 52 const Symbol* b = vmSymbols::symbol_at(*((vmSymbols::SID*) void_b)); 53 return compare_symbol(a, b); 54 } 55 } 56 57 #ifdef ASSERT 58 #define VM_SYMBOL_ENUM_NAME_BODY(name, string) #name "\0" 59 static const char* vm_symbol_enum_names = 60 VM_SYMBOLS_DO(VM_SYMBOL_ENUM_NAME_BODY, VM_ALIAS_IGNORE) 61 "\0"; 62 static const char* vm_symbol_enum_name(vmSymbols::SID sid) { 63 const char* string = &vm_symbol_enum_names[0]; 64 int skip = (int)sid - (int)vmSymbols::FIRST_SID; 65 for (; skip != 0; skip--) { 66 size_t skiplen = strlen(string); 67 if (skiplen == 0) return "<unknown>"; // overflow 68 string += skiplen+1; 69 } 70 return string; 71 } 72 #endif //ASSERT 73 74 // Put all the VM symbol strings in one place. 75 // Makes for a more compact libjvm. 76 #define VM_SYMBOL_BODY(name, string) string "\0" 77 static const char* vm_symbol_bodies = VM_SYMBOLS_DO(VM_SYMBOL_BODY, VM_ALIAS_IGNORE); 78 79 void vmSymbols::initialize(TRAPS) { 80 assert((int)SID_LIMIT <= (1<<log2_SID_LIMIT), "must fit in this bitfield"); 81 assert((int)SID_LIMIT*5 > (1<<log2_SID_LIMIT), "make the bitfield smaller, please"); 82 assert(vmIntrinsics::FLAG_LIMIT <= (1 << vmIntrinsics::log2_FLAG_LIMIT), "must fit in this bitfield"); 83 84 if (!UseSharedSpaces) { 85 const char* string = &vm_symbol_bodies[0]; 86 for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) { 87 Symbol* sym = SymbolTable::new_permanent_symbol(string); 88 _symbols[index] = sym; 89 string += strlen(string); // skip string body 90 string += 1; // skip trailing null 91 } 92 93 _type_signatures[T_BYTE] = byte_signature(); 94 _type_signatures[T_CHAR] = char_signature(); 95 _type_signatures[T_DOUBLE] = double_signature(); 96 _type_signatures[T_FLOAT] = float_signature(); 97 _type_signatures[T_INT] = int_signature(); 98 _type_signatures[T_LONG] = long_signature(); 99 _type_signatures[T_SHORT] = short_signature(); 100 _type_signatures[T_BOOLEAN] = bool_signature(); 101 _type_signatures[T_VOID] = void_signature(); 102 // no single signatures for T_OBJECT or T_ARRAY 103 #ifdef ASSERT 104 for (int i = (int)T_BOOLEAN; i < (int)T_VOID+1; i++) { 105 Symbol* s = _type_signatures[i]; 106 if (s == NULL) continue; 107 BasicType st = signature_type(s); 108 assert(st == i, ""); 109 } 110 #endif 111 } 112 113 #ifdef ASSERT 114 // Check for duplicates: 115 for (int i1 = (int)FIRST_SID; i1 < (int)SID_LIMIT; i1++) { 116 Symbol* sym = symbol_at((SID)i1); 117 for (int i2 = (int)FIRST_SID; i2 < i1; i2++) { 118 if (symbol_at((SID)i2) == sym) { 119 tty->print("*** Duplicate VM symbol SIDs %s(%d) and %s(%d): \"", 120 vm_symbol_enum_name((SID)i2), i2, 121 vm_symbol_enum_name((SID)i1), i1); 122 sym->print_symbol_on(tty); 123 tty->print_cr("\""); 124 } 125 } 126 } 127 #endif //ASSERT 128 129 // Create an index for find_id: 130 { 131 for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) { 132 vm_symbol_index[index] = (SID)index; 133 } 134 int num_sids = SID_LIMIT-FIRST_SID; 135 qsort(&vm_symbol_index[FIRST_SID], num_sids, sizeof(vm_symbol_index[0]), 136 compare_vmsymbol_sid); 137 } 138 139 #ifdef ASSERT 140 { 141 // Spot-check correspondence between strings, symbols, and enums: 142 assert(_symbols[NO_SID] == NULL, "must be"); 143 const char* str = "java/lang/Object"; 144 TempNewSymbol jlo = SymbolTable::new_permanent_symbol(str); 145 assert(strncmp(str, (char*)jlo->base(), jlo->utf8_length()) == 0, ""); 146 assert(jlo == java_lang_Object(), ""); 147 SID sid = VM_SYMBOL_ENUM_NAME(java_lang_Object); 148 assert(find_sid(jlo) == sid, ""); 149 assert(symbol_at(sid) == jlo, ""); 150 151 // Make sure find_sid produces the right answer in each case. 152 for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) { 153 Symbol* sym = symbol_at((SID)index); 154 sid = find_sid(sym); 155 assert(sid == (SID)index, "symbol index works"); 156 // Note: If there are duplicates, this assert will fail. 157 // A "Duplicate VM symbol" message will have already been printed. 158 } 159 160 // The string "format" happens (at the moment) not to be a vmSymbol, 161 // though it is a method name in java.lang.String. 162 str = "format"; 163 TempNewSymbol fmt = SymbolTable::new_permanent_symbol(str); 164 sid = find_sid(fmt); 165 assert(sid == NO_SID, "symbol index works (negative test)"); 166 } 167 #endif 168 } 169 170 171 #ifndef PRODUCT 172 const char* vmSymbols::name_for(vmSymbols::SID sid) { 173 if (sid == NO_SID) 174 return "NO_SID"; 175 const char* string = &vm_symbol_bodies[0]; 176 for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) { 177 if (index == (int)sid) 178 return string; 179 string += strlen(string); // skip string body 180 string += 1; // skip trailing null 181 } 182 return "BAD_SID"; 183 } 184 #endif 185 186 187 188 void vmSymbols::symbols_do(SymbolClosure* f) { 189 for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) { 190 f->do_symbol(&_symbols[index]); 191 } 192 for (int i = 0; i < T_VOID+1; i++) { 193 f->do_symbol(&_type_signatures[i]); 194 } 195 } 196 197 void vmSymbols::metaspace_pointers_do(MetaspaceClosure *it) { 198 for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) { 199 it->push(&_symbols[index]); 200 } 201 for (int i = 0; i < T_VOID+1; i++) { 202 it->push(&_type_signatures[i]); 203 } 204 } 205 206 void vmSymbols::serialize(SerializeClosure* soc) { 207 soc->do_region((u_char*)&_symbols[FIRST_SID], 208 (SID_LIMIT - FIRST_SID) * sizeof(_symbols[0])); 209 soc->do_region((u_char*)_type_signatures, sizeof(_type_signatures)); 210 } 211 212 213 BasicType vmSymbols::signature_type(const Symbol* s) { 214 assert(s != NULL, "checking"); 215 if (s->utf8_length() == 1) { 216 BasicType result = char2type(s->char_at(0)); 217 if (is_java_primitive(result) || result == T_VOID) { 218 assert(s == _type_signatures[result], ""); 219 return result; 220 } 221 } 222 return T_OBJECT; 223 } 224 225 226 static int mid_hint = (int)vmSymbols::FIRST_SID+1; 227 228 #ifndef PRODUCT 229 static int find_sid_calls, find_sid_probes; 230 // (Typical counts are calls=7000 and probes=17000.) 231 #endif 232 233 vmSymbols::SID vmSymbols::find_sid(const Symbol* symbol) { 234 // Handle the majority of misses by a bounds check. 235 // Then, use a binary search over the index. 236 // Expected trip count is less than log2_SID_LIMIT, about eight. 237 // This is slow but acceptable, given that calls are not 238 // dynamically common. (Method*::intrinsic_id has a cache.) 239 NOT_PRODUCT(find_sid_calls++); 240 int min = (int)FIRST_SID, max = (int)SID_LIMIT - 1; 241 SID sid = NO_SID, sid1; 242 int cmp1; 243 sid1 = vm_symbol_index[min]; 244 cmp1 = compare_symbol(symbol, symbol_at(sid1)); 245 if (cmp1 <= 0) { // before the first 246 if (cmp1 == 0) sid = sid1; 247 } else { 248 sid1 = vm_symbol_index[max]; 249 cmp1 = compare_symbol(symbol, symbol_at(sid1)); 250 if (cmp1 >= 0) { // after the last 251 if (cmp1 == 0) sid = sid1; 252 } else { 253 // After checking the extremes, do a binary search. 254 ++min; --max; // endpoints are done 255 int mid = mid_hint; // start at previous success 256 while (max >= min) { 257 assert(mid >= min && mid <= max, ""); 258 NOT_PRODUCT(find_sid_probes++); 259 sid1 = vm_symbol_index[mid]; 260 cmp1 = compare_symbol(symbol, symbol_at(sid1)); 261 if (cmp1 == 0) { 262 mid_hint = mid; 263 sid = sid1; 264 break; 265 } 266 if (cmp1 < 0) 267 max = mid - 1; // symbol < symbol_at(sid) 268 else 269 min = mid + 1; 270 271 // Pick a new probe point: 272 mid = (max + min) / 2; 273 } 274 } 275 } 276 277 #ifdef ASSERT 278 // Perform the exhaustive self-check the first 1000 calls, 279 // and every 100 calls thereafter. 280 static int find_sid_check_count = -2000; 281 if ((uint)++find_sid_check_count > (uint)100) { 282 if (find_sid_check_count > 0) find_sid_check_count = 0; 283 284 // Make sure this is the right answer, using linear search. 285 // (We have already proven that there are no duplicates in the list.) 286 SID sid2 = NO_SID; 287 for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) { 288 Symbol* sym2 = symbol_at((SID)index); 289 if (sym2 == symbol) { 290 sid2 = (SID)index; 291 break; 292 } 293 } 294 // Unless it's a duplicate, assert that the sids are the same. 295 if (_symbols[sid] != _symbols[sid2]) { 296 assert(sid == sid2, "binary same as linear search"); 297 } 298 } 299 #endif //ASSERT 300 301 return sid; 302 } 303 304 vmSymbols::SID vmSymbols::find_sid(const char* symbol_name) { 305 Symbol* symbol = SymbolTable::probe(symbol_name, (int) strlen(symbol_name)); 306 if (symbol == NULL) return NO_SID; 307 return find_sid(symbol); 308 } 309 310 static vmIntrinsics::ID wrapper_intrinsic(BasicType type, bool unboxing) { 311 #define TYPE2(type, unboxing) ((int)(type)*2 + ((unboxing) ? 1 : 0)) 312 switch (TYPE2(type, unboxing)) { 313 #define BASIC_TYPE_CASE(type, box, unbox) \ 314 case TYPE2(type, false): return vmIntrinsics::box; \ 315 case TYPE2(type, true): return vmIntrinsics::unbox 316 BASIC_TYPE_CASE(T_BOOLEAN, _Boolean_valueOf, _booleanValue); 317 BASIC_TYPE_CASE(T_BYTE, _Byte_valueOf, _byteValue); 318 BASIC_TYPE_CASE(T_CHAR, _Character_valueOf, _charValue); 319 BASIC_TYPE_CASE(T_SHORT, _Short_valueOf, _shortValue); 320 BASIC_TYPE_CASE(T_INT, _Integer_valueOf, _intValue); 321 BASIC_TYPE_CASE(T_LONG, _Long_valueOf, _longValue); 322 BASIC_TYPE_CASE(T_FLOAT, _Float_valueOf, _floatValue); 323 BASIC_TYPE_CASE(T_DOUBLE, _Double_valueOf, _doubleValue); 324 #undef BASIC_TYPE_CASE 325 } 326 #undef TYPE2 327 return vmIntrinsics::_none; 328 } 329 330 vmIntrinsics::ID vmIntrinsics::for_boxing(BasicType type) { 331 return wrapper_intrinsic(type, false); 332 } 333 vmIntrinsics::ID vmIntrinsics::for_unboxing(BasicType type) { 334 return wrapper_intrinsic(type, true); 335 } 336 337 vmIntrinsics::ID vmIntrinsics::for_raw_conversion(BasicType src, BasicType dest) { 338 #define SRC_DEST(s,d) (((int)(s) << 4) + (int)(d)) 339 switch (SRC_DEST(src, dest)) { 340 case SRC_DEST(T_INT, T_FLOAT): return vmIntrinsics::_intBitsToFloat; 341 case SRC_DEST(T_FLOAT, T_INT): return vmIntrinsics::_floatToRawIntBits; 342 343 case SRC_DEST(T_LONG, T_DOUBLE): return vmIntrinsics::_longBitsToDouble; 344 case SRC_DEST(T_DOUBLE, T_LONG): return vmIntrinsics::_doubleToRawLongBits; 345 } 346 #undef SRC_DEST 347 348 return vmIntrinsics::_none; 349 } 350 351 bool vmIntrinsics::preserves_state(vmIntrinsics::ID id) { 352 assert(id != vmIntrinsics::_none, "must be a VM intrinsic"); 353 switch(id) { 354 #ifdef JFR_HAVE_INTRINSICS 355 case vmIntrinsics::_counterTime: 356 #endif 357 case vmIntrinsics::_currentTimeMillis: 358 case vmIntrinsics::_nanoTime: 359 case vmIntrinsics::_floatToRawIntBits: 360 case vmIntrinsics::_intBitsToFloat: 361 case vmIntrinsics::_doubleToRawLongBits: 362 case vmIntrinsics::_longBitsToDouble: 363 case vmIntrinsics::_getClass: 364 case vmIntrinsics::_isInstance: 365 case vmIntrinsics::_currentThread: 366 case vmIntrinsics::_dabs: 367 case vmIntrinsics::_fabs: 368 case vmIntrinsics::_iabs: 369 case vmIntrinsics::_labs: 370 case vmIntrinsics::_dsqrt: 371 case vmIntrinsics::_dsin: 372 case vmIntrinsics::_dcos: 373 case vmIntrinsics::_dtan: 374 case vmIntrinsics::_dlog: 375 case vmIntrinsics::_dlog10: 376 case vmIntrinsics::_dexp: 377 case vmIntrinsics::_dpow: 378 case vmIntrinsics::_checkIndex: 379 case vmIntrinsics::_Reference_get: 380 case vmIntrinsics::_updateCRC32: 381 case vmIntrinsics::_updateBytesCRC32: 382 case vmIntrinsics::_updateByteBufferCRC32: 383 case vmIntrinsics::_vectorizedMismatch: 384 case vmIntrinsics::_fmaD: 385 case vmIntrinsics::_fmaF: 386 case vmIntrinsics::_isDigit: 387 case vmIntrinsics::_isLowerCase: 388 case vmIntrinsics::_isUpperCase: 389 case vmIntrinsics::_isWhitespace: 390 return true; 391 default: 392 return false; 393 } 394 } 395 396 bool vmIntrinsics::can_trap(vmIntrinsics::ID id) { 397 assert(id != vmIntrinsics::_none, "must be a VM intrinsic"); 398 switch(id) { 399 #ifdef JFR_HAVE_INTRINSICS 400 case vmIntrinsics::_counterTime: 401 case vmIntrinsics::_getClassId: 402 #endif 403 case vmIntrinsics::_currentTimeMillis: 404 case vmIntrinsics::_nanoTime: 405 case vmIntrinsics::_floatToRawIntBits: 406 case vmIntrinsics::_intBitsToFloat: 407 case vmIntrinsics::_doubleToRawLongBits: 408 case vmIntrinsics::_longBitsToDouble: 409 case vmIntrinsics::_currentThread: 410 case vmIntrinsics::_dabs: 411 case vmIntrinsics::_fabs: 412 case vmIntrinsics::_iabs: 413 case vmIntrinsics::_labs: 414 case vmIntrinsics::_dsqrt: 415 case vmIntrinsics::_dsin: 416 case vmIntrinsics::_dcos: 417 case vmIntrinsics::_dtan: 418 case vmIntrinsics::_dlog: 419 case vmIntrinsics::_dlog10: 420 case vmIntrinsics::_dexp: 421 case vmIntrinsics::_dpow: 422 case vmIntrinsics::_updateCRC32: 423 case vmIntrinsics::_updateBytesCRC32: 424 case vmIntrinsics::_updateByteBufferCRC32: 425 case vmIntrinsics::_vectorizedMismatch: 426 case vmIntrinsics::_fmaD: 427 case vmIntrinsics::_fmaF: 428 return false; 429 default: 430 return true; 431 } 432 } 433 434 // Some intrinsics produce different results if they are not pinned 435 bool vmIntrinsics::should_be_pinned(vmIntrinsics::ID id) { 436 assert(id != vmIntrinsics::_none, "must be a VM intrinsic"); 437 switch(id) { 438 #ifdef JFR_HAVE_INTRINSICS 439 case vmIntrinsics::_counterTime: 440 #endif 441 case vmIntrinsics::_currentTimeMillis: 442 case vmIntrinsics::_nanoTime: 443 return true; 444 default: 445 return false; 446 } 447 } 448 449 bool vmIntrinsics::does_virtual_dispatch(vmIntrinsics::ID id) { 450 assert(id != vmIntrinsics::_none, "must be a VM intrinsic"); 451 switch(id) { 452 case vmIntrinsics::_hashCode: 453 case vmIntrinsics::_clone: 454 return true; 455 break; 456 default: 457 return false; 458 } 459 } 460 461 int vmIntrinsics::predicates_needed(vmIntrinsics::ID id) { 462 assert(id != vmIntrinsics::_none, "must be a VM intrinsic"); 463 switch (id) { 464 case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt: 465 case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt: 466 case vmIntrinsics::_electronicCodeBook_encryptAESCrypt: 467 case vmIntrinsics::_electronicCodeBook_decryptAESCrypt: 468 case vmIntrinsics::_counterMode_AESCrypt: 469 return 1; 470 case vmIntrinsics::_digestBase_implCompressMB: 471 return 3; 472 default: 473 return 0; 474 } 475 } 476 477 bool vmIntrinsics::is_intrinsic_available(vmIntrinsics::ID id) { 478 return !vmIntrinsics::is_intrinsic_disabled(id) && 479 !vmIntrinsics::is_disabled_by_flags(id); 480 } 481 482 bool vmIntrinsics::is_intrinsic_disabled(vmIntrinsics::ID id) { 483 assert(id != vmIntrinsics::_none, "must be a VM intrinsic"); 484 485 // Canonicalize DisableIntrinsic to contain only ',' as a separator. 486 // Note, DirectiveSet may not be created at this point yet since this code 487 // is called from initial stub geenration code. 488 char* local_list = (char*)DirectiveSet::canonicalize_disableintrinsic(DisableIntrinsic); 489 char* save_ptr; 490 bool found = false; 491 492 char* token = strtok_r(local_list, ",", &save_ptr); 493 while (token != NULL) { 494 if (strcmp(token, vmIntrinsics::name_at(id)) == 0) { 495 found = true; 496 break; 497 } else { 498 token = strtok_r(NULL, ",", &save_ptr); 499 } 500 } 501 502 FREE_C_HEAP_ARRAY(char, local_list); 503 return found; 504 } 505 506 507 bool vmIntrinsics::is_disabled_by_flags(const methodHandle& method) { 508 vmIntrinsics::ID id = method->intrinsic_id(); 509 assert(id != vmIntrinsics::_none, "must be a VM intrinsic"); 510 return is_disabled_by_flags(id); 511 } 512 513 bool vmIntrinsics::is_disabled_by_flags(vmIntrinsics::ID id) { 514 assert(id != vmIntrinsics::_none, "must be a VM intrinsic"); 515 516 // -XX:-InlineNatives disables nearly all intrinsics except the ones listed in 517 // the following switch statement. 518 if (!InlineNatives) { 519 switch (id) { 520 case vmIntrinsics::_indexOfL: 521 case vmIntrinsics::_indexOfU: 522 case vmIntrinsics::_indexOfUL: 523 case vmIntrinsics::_indexOfIL: 524 case vmIntrinsics::_indexOfIU: 525 case vmIntrinsics::_indexOfIUL: 526 case vmIntrinsics::_indexOfU_char: 527 case vmIntrinsics::_compareToL: 528 case vmIntrinsics::_compareToU: 529 case vmIntrinsics::_compareToLU: 530 case vmIntrinsics::_compareToUL: 531 case vmIntrinsics::_equalsL: 532 case vmIntrinsics::_equalsU: 533 case vmIntrinsics::_equalsC: 534 case vmIntrinsics::_getCharStringU: 535 case vmIntrinsics::_putCharStringU: 536 case vmIntrinsics::_compressStringC: 537 case vmIntrinsics::_compressStringB: 538 case vmIntrinsics::_inflateStringC: 539 case vmIntrinsics::_inflateStringB: 540 case vmIntrinsics::_getAndAddInt: 541 case vmIntrinsics::_getAndAddLong: 542 case vmIntrinsics::_getAndSetInt: 543 case vmIntrinsics::_getAndSetLong: 544 case vmIntrinsics::_getAndSetReference: 545 case vmIntrinsics::_loadFence: 546 case vmIntrinsics::_storeFence: 547 case vmIntrinsics::_fullFence: 548 case vmIntrinsics::_hasNegatives: 549 case vmIntrinsics::_Reference_get: 550 break; 551 default: 552 return true; 553 } 554 } 555 556 switch (id) { 557 case vmIntrinsics::_isInstance: 558 case vmIntrinsics::_isAssignableFrom: 559 case vmIntrinsics::_getModifiers: 560 case vmIntrinsics::_isInterface: 561 case vmIntrinsics::_isArray: 562 case vmIntrinsics::_isPrimitive: 563 case vmIntrinsics::_getSuperclass: 564 case vmIntrinsics::_Class_cast: 565 case vmIntrinsics::_getLength: 566 case vmIntrinsics::_newArray: 567 case vmIntrinsics::_getClass: 568 if (!InlineClassNatives) return true; 569 break; 570 case vmIntrinsics::_currentThread: 571 case vmIntrinsics::_isInterrupted: 572 if (!InlineThreadNatives) return true; 573 break; 574 case vmIntrinsics::_floatToRawIntBits: 575 case vmIntrinsics::_intBitsToFloat: 576 case vmIntrinsics::_doubleToRawLongBits: 577 case vmIntrinsics::_longBitsToDouble: 578 case vmIntrinsics::_ceil: 579 case vmIntrinsics::_floor: 580 case vmIntrinsics::_rint: 581 case vmIntrinsics::_dabs: 582 case vmIntrinsics::_fabs: 583 case vmIntrinsics::_iabs: 584 case vmIntrinsics::_labs: 585 case vmIntrinsics::_dsqrt: 586 case vmIntrinsics::_dsin: 587 case vmIntrinsics::_dcos: 588 case vmIntrinsics::_dtan: 589 case vmIntrinsics::_dlog: 590 case vmIntrinsics::_dexp: 591 case vmIntrinsics::_dpow: 592 case vmIntrinsics::_dlog10: 593 case vmIntrinsics::_datan2: 594 case vmIntrinsics::_min: 595 case vmIntrinsics::_max: 596 case vmIntrinsics::_floatToIntBits: 597 case vmIntrinsics::_doubleToLongBits: 598 case vmIntrinsics::_maxF: 599 case vmIntrinsics::_minF: 600 case vmIntrinsics::_maxD: 601 case vmIntrinsics::_minD: 602 if (!InlineMathNatives) return true; 603 break; 604 case vmIntrinsics::_fmaD: 605 case vmIntrinsics::_fmaF: 606 if (!InlineMathNatives || !UseFMA) return true; 607 break; 608 case vmIntrinsics::_arraycopy: 609 if (!InlineArrayCopy) return true; 610 break; 611 case vmIntrinsics::_updateCRC32: 612 case vmIntrinsics::_updateBytesCRC32: 613 case vmIntrinsics::_updateByteBufferCRC32: 614 if (!UseCRC32Intrinsics) return true; 615 break; 616 case vmIntrinsics::_getReference: 617 case vmIntrinsics::_getBoolean: 618 case vmIntrinsics::_getByte: 619 case vmIntrinsics::_getShort: 620 case vmIntrinsics::_getChar: 621 case vmIntrinsics::_getInt: 622 case vmIntrinsics::_getLong: 623 case vmIntrinsics::_getFloat: 624 case vmIntrinsics::_getDouble: 625 case vmIntrinsics::_putReference: 626 case vmIntrinsics::_putBoolean: 627 case vmIntrinsics::_putByte: 628 case vmIntrinsics::_putShort: 629 case vmIntrinsics::_putChar: 630 case vmIntrinsics::_putInt: 631 case vmIntrinsics::_putLong: 632 case vmIntrinsics::_putFloat: 633 case vmIntrinsics::_putDouble: 634 case vmIntrinsics::_getReferenceVolatile: 635 case vmIntrinsics::_getBooleanVolatile: 636 case vmIntrinsics::_getByteVolatile: 637 case vmIntrinsics::_getShortVolatile: 638 case vmIntrinsics::_getCharVolatile: 639 case vmIntrinsics::_getIntVolatile: 640 case vmIntrinsics::_getLongVolatile: 641 case vmIntrinsics::_getFloatVolatile: 642 case vmIntrinsics::_getDoubleVolatile: 643 case vmIntrinsics::_putReferenceVolatile: 644 case vmIntrinsics::_putBooleanVolatile: 645 case vmIntrinsics::_putByteVolatile: 646 case vmIntrinsics::_putShortVolatile: 647 case vmIntrinsics::_putCharVolatile: 648 case vmIntrinsics::_putIntVolatile: 649 case vmIntrinsics::_putLongVolatile: 650 case vmIntrinsics::_putFloatVolatile: 651 case vmIntrinsics::_putDoubleVolatile: 652 case vmIntrinsics::_getReferenceAcquire: 653 case vmIntrinsics::_getBooleanAcquire: 654 case vmIntrinsics::_getByteAcquire: 655 case vmIntrinsics::_getShortAcquire: 656 case vmIntrinsics::_getCharAcquire: 657 case vmIntrinsics::_getIntAcquire: 658 case vmIntrinsics::_getLongAcquire: 659 case vmIntrinsics::_getFloatAcquire: 660 case vmIntrinsics::_getDoubleAcquire: 661 case vmIntrinsics::_putReferenceRelease: 662 case vmIntrinsics::_putBooleanRelease: 663 case vmIntrinsics::_putByteRelease: 664 case vmIntrinsics::_putShortRelease: 665 case vmIntrinsics::_putCharRelease: 666 case vmIntrinsics::_putIntRelease: 667 case vmIntrinsics::_putLongRelease: 668 case vmIntrinsics::_putFloatRelease: 669 case vmIntrinsics::_putDoubleRelease: 670 case vmIntrinsics::_getReferenceOpaque: 671 case vmIntrinsics::_getBooleanOpaque: 672 case vmIntrinsics::_getByteOpaque: 673 case vmIntrinsics::_getShortOpaque: 674 case vmIntrinsics::_getCharOpaque: 675 case vmIntrinsics::_getIntOpaque: 676 case vmIntrinsics::_getLongOpaque: 677 case vmIntrinsics::_getFloatOpaque: 678 case vmIntrinsics::_getDoubleOpaque: 679 case vmIntrinsics::_putReferenceOpaque: 680 case vmIntrinsics::_putBooleanOpaque: 681 case vmIntrinsics::_putByteOpaque: 682 case vmIntrinsics::_putShortOpaque: 683 case vmIntrinsics::_putCharOpaque: 684 case vmIntrinsics::_putIntOpaque: 685 case vmIntrinsics::_putLongOpaque: 686 case vmIntrinsics::_putFloatOpaque: 687 case vmIntrinsics::_putDoubleOpaque: 688 case vmIntrinsics::_getAndAddInt: 689 case vmIntrinsics::_getAndAddLong: 690 case vmIntrinsics::_getAndSetInt: 691 case vmIntrinsics::_getAndSetLong: 692 case vmIntrinsics::_getAndSetReference: 693 case vmIntrinsics::_loadFence: 694 case vmIntrinsics::_storeFence: 695 case vmIntrinsics::_fullFence: 696 case vmIntrinsics::_compareAndSetLong: 697 case vmIntrinsics::_weakCompareAndSetLong: 698 case vmIntrinsics::_weakCompareAndSetLongPlain: 699 case vmIntrinsics::_weakCompareAndSetLongAcquire: 700 case vmIntrinsics::_weakCompareAndSetLongRelease: 701 case vmIntrinsics::_compareAndSetInt: 702 case vmIntrinsics::_weakCompareAndSetInt: 703 case vmIntrinsics::_weakCompareAndSetIntPlain: 704 case vmIntrinsics::_weakCompareAndSetIntAcquire: 705 case vmIntrinsics::_weakCompareAndSetIntRelease: 706 case vmIntrinsics::_compareAndSetReference: 707 case vmIntrinsics::_weakCompareAndSetReference: 708 case vmIntrinsics::_weakCompareAndSetReferencePlain: 709 case vmIntrinsics::_weakCompareAndSetReferenceAcquire: 710 case vmIntrinsics::_weakCompareAndSetReferenceRelease: 711 case vmIntrinsics::_compareAndExchangeInt: 712 case vmIntrinsics::_compareAndExchangeIntAcquire: 713 case vmIntrinsics::_compareAndExchangeIntRelease: 714 case vmIntrinsics::_compareAndExchangeLong: 715 case vmIntrinsics::_compareAndExchangeLongAcquire: 716 case vmIntrinsics::_compareAndExchangeLongRelease: 717 case vmIntrinsics::_compareAndExchangeReference: 718 case vmIntrinsics::_compareAndExchangeReferenceAcquire: 719 case vmIntrinsics::_compareAndExchangeReferenceRelease: 720 if (!InlineUnsafeOps) return true; 721 break; 722 case vmIntrinsics::_getShortUnaligned: 723 case vmIntrinsics::_getCharUnaligned: 724 case vmIntrinsics::_getIntUnaligned: 725 case vmIntrinsics::_getLongUnaligned: 726 case vmIntrinsics::_putShortUnaligned: 727 case vmIntrinsics::_putCharUnaligned: 728 case vmIntrinsics::_putIntUnaligned: 729 case vmIntrinsics::_putLongUnaligned: 730 case vmIntrinsics::_allocateInstance: 731 if (!InlineUnsafeOps || !UseUnalignedAccesses) return true; 732 break; 733 case vmIntrinsics::_hashCode: 734 if (!InlineObjectHash) return true; 735 break; 736 case vmIntrinsics::_aescrypt_encryptBlock: 737 case vmIntrinsics::_aescrypt_decryptBlock: 738 if (!UseAESIntrinsics) return true; 739 break; 740 case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt: 741 case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt: 742 if (!UseAESIntrinsics) return true; 743 break; 744 case vmIntrinsics::_electronicCodeBook_encryptAESCrypt: 745 case vmIntrinsics::_electronicCodeBook_decryptAESCrypt: 746 if (!UseAESIntrinsics) return true; 747 break; 748 case vmIntrinsics::_counterMode_AESCrypt: 749 if (!UseAESCTRIntrinsics) return true; 750 break; 751 case vmIntrinsics::_sha_implCompress: 752 if (!UseSHA1Intrinsics) return true; 753 break; 754 case vmIntrinsics::_sha2_implCompress: 755 if (!UseSHA256Intrinsics) return true; 756 break; 757 case vmIntrinsics::_sha5_implCompress: 758 if (!UseSHA512Intrinsics) return true; 759 break; 760 case vmIntrinsics::_digestBase_implCompressMB: 761 if (!(UseSHA1Intrinsics || UseSHA256Intrinsics || UseSHA512Intrinsics)) return true; 762 break; 763 case vmIntrinsics::_ghash_processBlocks: 764 if (!UseGHASHIntrinsics) return true; 765 break; 766 case vmIntrinsics::_base64_encodeBlock: 767 if (!UseBASE64Intrinsics) return true; 768 break; 769 case vmIntrinsics::_updateBytesCRC32C: 770 case vmIntrinsics::_updateDirectByteBufferCRC32C: 771 if (!UseCRC32CIntrinsics) return true; 772 break; 773 case vmIntrinsics::_vectorizedMismatch: 774 if (!UseVectorizedMismatchIntrinsic) return true; 775 break; 776 case vmIntrinsics::_updateBytesAdler32: 777 case vmIntrinsics::_updateByteBufferAdler32: 778 if (!UseAdler32Intrinsics) return true; 779 break; 780 case vmIntrinsics::_copyMemory: 781 if (!InlineArrayCopy || !InlineUnsafeOps) return true; 782 break; 783 #ifdef COMPILER1 784 case vmIntrinsics::_checkIndex: 785 if (!InlineNIOCheckIndex) return true; 786 break; 787 #endif // COMPILER1 788 #ifdef COMPILER2 789 case vmIntrinsics::_clone: 790 #if INCLUDE_ZGC 791 if (UseZGC) return true; 792 #endif 793 case vmIntrinsics::_copyOf: 794 case vmIntrinsics::_copyOfRange: 795 // These intrinsics use both the objectcopy and the arraycopy 796 // intrinsic mechanism. 797 if (!InlineObjectCopy || !InlineArrayCopy) return true; 798 break; 799 case vmIntrinsics::_compareToL: 800 case vmIntrinsics::_compareToU: 801 case vmIntrinsics::_compareToLU: 802 case vmIntrinsics::_compareToUL: 803 if (!SpecialStringCompareTo) return true; 804 break; 805 case vmIntrinsics::_indexOfL: 806 case vmIntrinsics::_indexOfU: 807 case vmIntrinsics::_indexOfUL: 808 case vmIntrinsics::_indexOfIL: 809 case vmIntrinsics::_indexOfIU: 810 case vmIntrinsics::_indexOfIUL: 811 case vmIntrinsics::_indexOfU_char: 812 if (!SpecialStringIndexOf) return true; 813 break; 814 case vmIntrinsics::_equalsL: 815 case vmIntrinsics::_equalsU: 816 if (!SpecialStringEquals) return true; 817 break; 818 case vmIntrinsics::_equalsB: 819 case vmIntrinsics::_equalsC: 820 if (!SpecialArraysEquals) return true; 821 break; 822 case vmIntrinsics::_encodeISOArray: 823 case vmIntrinsics::_encodeByteISOArray: 824 if (!SpecialEncodeISOArray) return true; 825 break; 826 case vmIntrinsics::_getCallerClass: 827 if (!InlineReflectionGetCallerClass) return true; 828 break; 829 case vmIntrinsics::_multiplyToLen: 830 if (!UseMultiplyToLenIntrinsic) return true; 831 break; 832 case vmIntrinsics::_squareToLen: 833 if (!UseSquareToLenIntrinsic) return true; 834 break; 835 case vmIntrinsics::_mulAdd: 836 if (!UseMulAddIntrinsic) return true; 837 break; 838 case vmIntrinsics::_montgomeryMultiply: 839 if (!UseMontgomeryMultiplyIntrinsic) return true; 840 break; 841 case vmIntrinsics::_montgomerySquare: 842 if (!UseMontgomerySquareIntrinsic) return true; 843 break; 844 case vmIntrinsics::_addExactI: 845 case vmIntrinsics::_addExactL: 846 case vmIntrinsics::_decrementExactI: 847 case vmIntrinsics::_decrementExactL: 848 case vmIntrinsics::_incrementExactI: 849 case vmIntrinsics::_incrementExactL: 850 case vmIntrinsics::_multiplyExactI: 851 case vmIntrinsics::_multiplyExactL: 852 case vmIntrinsics::_negateExactI: 853 case vmIntrinsics::_negateExactL: 854 case vmIntrinsics::_subtractExactI: 855 case vmIntrinsics::_subtractExactL: 856 if (!UseMathExactIntrinsics || !InlineMathNatives) return true; 857 break; 858 case vmIntrinsics::_isDigit: 859 case vmIntrinsics::_isLowerCase: 860 case vmIntrinsics::_isUpperCase: 861 case vmIntrinsics::_isWhitespace: 862 if (!UseCharacterCompareIntrinsics) return true; 863 break; 864 #endif // COMPILER2 865 default: 866 return false; 867 } 868 869 return false; 870 } 871 872 #define VM_INTRINSIC_INITIALIZE(id, klass, name, sig, flags) #id "\0" 873 static const char* vm_intrinsic_name_bodies = 874 VM_INTRINSICS_DO(VM_INTRINSIC_INITIALIZE, 875 VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE); 876 877 static const char* vm_intrinsic_name_table[vmIntrinsics::ID_LIMIT]; 878 879 const char* vmIntrinsics::name_at(vmIntrinsics::ID id) { 880 const char** nt = &vm_intrinsic_name_table[0]; 881 if (nt[_none] == NULL) { 882 char* string = (char*) &vm_intrinsic_name_bodies[0]; 883 for (int index = FIRST_ID; index < ID_LIMIT; index++) { 884 nt[index] = string; 885 string += strlen(string); // skip string body 886 string += 1; // skip trailing null 887 } 888 assert(!strcmp(nt[_hashCode], "_hashCode"), "lined up"); 889 nt[_none] = "_none"; 890 } 891 if ((uint)id < (uint)ID_LIMIT) 892 return vm_intrinsic_name_table[(uint)id]; 893 else 894 return "(unknown intrinsic)"; 895 } 896 897 // These are flag-matching functions: 898 inline bool match_F_R(jshort flags) { 899 const int req = 0; 900 const int neg = JVM_ACC_STATIC | JVM_ACC_SYNCHRONIZED; 901 return (flags & (req | neg)) == req; 902 } 903 inline bool match_F_Y(jshort flags) { 904 const int req = JVM_ACC_SYNCHRONIZED; 905 const int neg = JVM_ACC_STATIC; 906 return (flags & (req | neg)) == req; 907 } 908 inline bool match_F_RN(jshort flags) { 909 const int req = JVM_ACC_NATIVE; 910 const int neg = JVM_ACC_STATIC | JVM_ACC_SYNCHRONIZED; 911 return (flags & (req | neg)) == req; 912 } 913 inline bool match_F_S(jshort flags) { 914 const int req = JVM_ACC_STATIC; 915 const int neg = JVM_ACC_SYNCHRONIZED; 916 return (flags & (req | neg)) == req; 917 } 918 inline bool match_F_SN(jshort flags) { 919 const int req = JVM_ACC_STATIC | JVM_ACC_NATIVE; 920 const int neg = JVM_ACC_SYNCHRONIZED; 921 return (flags & (req | neg)) == req; 922 } 923 inline bool match_F_RNY(jshort flags) { 924 const int req = JVM_ACC_NATIVE | JVM_ACC_SYNCHRONIZED; 925 const int neg = JVM_ACC_STATIC; 926 return (flags & (req | neg)) == req; 927 } 928 929 // These are for forming case labels: 930 #define ID3(x, y, z) (( jlong)(z) + \ 931 ((jlong)(y) << vmSymbols::log2_SID_LIMIT) + \ 932 ((jlong)(x) << (2*vmSymbols::log2_SID_LIMIT)) ) 933 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n) 934 935 vmIntrinsics::ID vmIntrinsics::find_id_impl(vmSymbols::SID holder, 936 vmSymbols::SID name, 937 vmSymbols::SID sig, 938 jshort flags) { 939 assert((int)vmSymbols::SID_LIMIT <= (1<<vmSymbols::log2_SID_LIMIT), "must fit"); 940 941 // Let the C compiler build the decision tree. 942 943 #define VM_INTRINSIC_CASE(id, klass, name, sig, fcode) \ 944 case ID3(SID_ENUM(klass), SID_ENUM(name), SID_ENUM(sig)): \ 945 if (!match_##fcode(flags)) break; \ 946 return id; 947 948 switch (ID3(holder, name, sig)) { 949 VM_INTRINSICS_DO(VM_INTRINSIC_CASE, 950 VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE); 951 } 952 return vmIntrinsics::_none; 953 954 #undef VM_INTRINSIC_CASE 955 } 956 957 958 const char* vmIntrinsics::short_name_as_C_string(vmIntrinsics::ID id, char* buf, int buflen) { 959 const char* str = name_at(id); 960 #ifndef PRODUCT 961 const char* kname = vmSymbols::name_for(class_for(id)); 962 const char* mname = vmSymbols::name_for(name_for(id)); 963 const char* sname = vmSymbols::name_for(signature_for(id)); 964 const char* fname = ""; 965 switch (flags_for(id)) { 966 case F_Y: fname = "synchronized "; break; 967 case F_RN: fname = "native "; break; 968 case F_SN: fname = "native static "; break; 969 case F_S: fname = "static "; break; 970 case F_RNY:fname = "native synchronized "; break; 971 default: break; 972 } 973 const char* kptr = strrchr(kname, '/'); 974 if (kptr != NULL) kname = kptr + 1; 975 int len = jio_snprintf(buf, buflen, "%s: %s%s.%s%s", 976 str, fname, kname, mname, sname); 977 if (len < buflen) 978 str = buf; 979 #endif //PRODUCT 980 return str; 981 } 982 983 984 // These are to get information about intrinsics. 985 986 #define ID4(x, y, z, f) ((ID3(x, y, z) << vmIntrinsics::log2_FLAG_LIMIT) | (jlong) (f)) 987 988 static const jlong intrinsic_info_array[vmIntrinsics::ID_LIMIT+1] = { 989 #define VM_INTRINSIC_INFO(ignore_id, klass, name, sig, fcode) \ 990 ID4(SID_ENUM(klass), SID_ENUM(name), SID_ENUM(sig), vmIntrinsics::fcode), 991 992 0, VM_INTRINSICS_DO(VM_INTRINSIC_INFO, 993 VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE) 994 0 995 #undef VM_INTRINSIC_INFO 996 }; 997 998 inline jlong intrinsic_info(vmIntrinsics::ID id) { 999 return intrinsic_info_array[vmIntrinsics::ID_from((int)id)]; 1000 } 1001 1002 vmSymbols::SID vmIntrinsics::class_for(vmIntrinsics::ID id) { 1003 jlong info = intrinsic_info(id); 1004 int shift = 2*vmSymbols::log2_SID_LIMIT + log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT); 1005 assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1021, ""); 1006 return vmSymbols::SID( (info >> shift) & mask ); 1007 } 1008 1009 vmSymbols::SID vmIntrinsics::name_for(vmIntrinsics::ID id) { 1010 jlong info = intrinsic_info(id); 1011 int shift = vmSymbols::log2_SID_LIMIT + log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT); 1012 assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1022, ""); 1013 return vmSymbols::SID( (info >> shift) & mask ); 1014 } 1015 1016 vmSymbols::SID vmIntrinsics::signature_for(vmIntrinsics::ID id) { 1017 jlong info = intrinsic_info(id); 1018 int shift = log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT); 1019 assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1023, ""); 1020 return vmSymbols::SID( (info >> shift) & mask ); 1021 } 1022 1023 vmIntrinsics::Flags vmIntrinsics::flags_for(vmIntrinsics::ID id) { 1024 jlong info = intrinsic_info(id); 1025 int shift = 0, mask = right_n_bits(log2_FLAG_LIMIT); 1026 assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 15, ""); 1027 return Flags( (info >> shift) & mask ); 1028 } 1029 1030 1031 #ifndef PRODUCT 1032 // verify_method performs an extra check on a matched intrinsic method 1033 1034 static bool match_method(Method* m, Symbol* n, Symbol* s) { 1035 return (m->name() == n && 1036 m->signature() == s); 1037 } 1038 1039 static vmIntrinsics::ID match_method_with_klass(Method* m, Symbol* mk) { 1040 #define VM_INTRINSIC_MATCH(id, klassname, namepart, sigpart, flags) \ 1041 { Symbol* k = vmSymbols::klassname(); \ 1042 if (mk == k) { \ 1043 Symbol* n = vmSymbols::namepart(); \ 1044 Symbol* s = vmSymbols::sigpart(); \ 1045 if (match_method(m, n, s)) \ 1046 return vmIntrinsics::id; \ 1047 } } 1048 VM_INTRINSICS_DO(VM_INTRINSIC_MATCH, 1049 VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE); 1050 return vmIntrinsics::_none; 1051 #undef VM_INTRINSIC_MATCH 1052 } 1053 1054 void vmIntrinsics::verify_method(ID actual_id, Method* m) { 1055 Symbol* mk = m->method_holder()->name(); 1056 ID declared_id = match_method_with_klass(m, mk); 1057 1058 if (declared_id == actual_id) return; // success 1059 1060 if (declared_id == _none && actual_id != _none && mk == vmSymbols::java_lang_StrictMath()) { 1061 // Here are a few special cases in StrictMath not declared in vmSymbols.hpp. 1062 switch (actual_id) { 1063 case _min: 1064 case _max: 1065 case _dsqrt: 1066 declared_id = match_method_with_klass(m, vmSymbols::java_lang_Math()); 1067 if (declared_id == actual_id) return; // acceptable alias 1068 break; 1069 default: 1070 break; 1071 } 1072 } 1073 1074 const char* declared_name = name_at(declared_id); 1075 const char* actual_name = name_at(actual_id); 1076 methodHandle mh = m; 1077 m = NULL; 1078 ttyLocker ttyl; 1079 if (xtty != NULL) { 1080 xtty->begin_elem("intrinsic_misdeclared actual='%s' declared='%s'", 1081 actual_name, declared_name); 1082 xtty->method(mh); 1083 xtty->end_elem("%s", ""); 1084 } 1085 if (PrintMiscellaneous && (WizardMode || Verbose)) { 1086 tty->print_cr("*** misidentified method; %s(%d) should be %s(%d):", 1087 declared_name, declared_id, actual_name, actual_id); 1088 mh()->print_short_name(tty); 1089 tty->cr(); 1090 } 1091 } 1092 #endif //PRODUCT