1 /*

     2  * Copyright (c) 1997, 2017, 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 "classfile/vmSymbols.hpp"

    27 #include "compiler/compilerDirectives.hpp"

    28 #include "memory/oopFactory.hpp"

    29 #include "memory/metaspaceClosure.hpp"

    30 #include "oops/oop.inline.hpp"

    31 #include "prims/jvm.h"

    32 #include "runtime/handles.inline.hpp"

    33 #include "utilities/xmlstream.hpp"

    34 

    35 

    36 Symbol* vmSymbols::_symbols[vmSymbols::SID_LIMIT];

    37 

    38 Symbol* vmSymbols::_type_signatures[T_VOID+1] = { NULL /*, NULL...*/ };

    39 

    40 inline int compare_symbol(const Symbol* a, const Symbol* b) {

    41   if (a == b)  return 0;

    42   // follow the natural address order:

    43   return (address)a > (address)b ? +1 : -1;

    44 }

    45 

    46 static vmSymbols::SID vm_symbol_index[vmSymbols::SID_LIMIT];

    47 extern "C" {

    48   static int compare_vmsymbol_sid(const void* void_a, const void* void_b) {

    49     const Symbol* a = vmSymbols::symbol_at(*((vmSymbols::SID*) void_a));

    50     const Symbol* b = vmSymbols::symbol_at(*((vmSymbols::SID*) void_b));

    51     return compare_symbol(a, b);

    52   }

    53 }

    54 

    55 #ifdef ASSERT

    56 #define VM_SYMBOL_ENUM_NAME_BODY(name, string) #name "\0"

    57 static const char* vm_symbol_enum_names =

    58   VM_SYMBOLS_DO(VM_SYMBOL_ENUM_NAME_BODY, VM_ALIAS_IGNORE)

    59   "\0";

    60 static const char* vm_symbol_enum_name(vmSymbols::SID sid) {

    61   const char* string = &vm_symbol_enum_names[0];

    62   int skip = (int)sid - (int)vmSymbols::FIRST_SID;

    63   for (; skip != 0; skip--) {

    64     size_t skiplen = strlen(string);

    65     if (skiplen == 0)  return "<unknown>";  // overflow

    66     string += skiplen+1;

    67   }

    68   return string;

    69 }

    70 #endif //ASSERT

    71 

    72 // Put all the VM symbol strings in one place.

    73 // Makes for a more compact libjvm.

    74 #define VM_SYMBOL_BODY(name, string) string "\0"

    75 static const char* vm_symbol_bodies = VM_SYMBOLS_DO(VM_SYMBOL_BODY, VM_ALIAS_IGNORE);

    76 

    77 void vmSymbols::initialize(TRAPS) {

    78   assert((int)SID_LIMIT <= (1<<log2_SID_LIMIT), "must fit in this bitfield");

    79   assert((int)SID_LIMIT*5 > (1<<log2_SID_LIMIT), "make the bitfield smaller, please");

    80   assert(vmIntrinsics::FLAG_LIMIT <= (1 << vmIntrinsics::log2_FLAG_LIMIT), "must fit in this bitfield");

    81 

    82   if (!UseSharedSpaces) {

    83     const char* string = &vm_symbol_bodies[0];

    84     for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) {

    85       Symbol* sym = SymbolTable::new_permanent_symbol(string, CHECK);

    86       _symbols[index] = sym;

    87       string += strlen(string); // skip string body

    88       string += 1;              // skip trailing null

    89     }

    90 

    91     _type_signatures[T_BYTE]    = byte_signature();

    92     _type_signatures[T_CHAR]    = char_signature();

    93     _type_signatures[T_DOUBLE]  = double_signature();

    94     _type_signatures[T_FLOAT]   = float_signature();

    95     _type_signatures[T_INT]     = int_signature();

    96     _type_signatures[T_LONG]    = long_signature();

    97     _type_signatures[T_SHORT]   = short_signature();

    98     _type_signatures[T_BOOLEAN] = bool_signature();

    99     _type_signatures[T_VOID]    = void_signature();

   100     // no single signatures for T_OBJECT or T_ARRAY

   101   }

   102 

   103 #ifdef ASSERT

   104   // Check for duplicates:

   105   for (int i1 = (int)FIRST_SID; i1 < (int)SID_LIMIT; i1++) {

   106     Symbol* sym = symbol_at((SID)i1);

   107     for (int i2 = (int)FIRST_SID; i2 < i1; i2++) {

   108       if (symbol_at((SID)i2) == sym) {

   109         tty->print("*** Duplicate VM symbol SIDs %s(%d) and %s(%d): \"",

   110                    vm_symbol_enum_name((SID)i2), i2,

   111                    vm_symbol_enum_name((SID)i1), i1);

   112         sym->print_symbol_on(tty);

   113         tty->print_cr("\"");

   114       }

   115     }

   116   }

   117 #endif //ASSERT

   118 

   119   // Create an index for find_id:

   120   {

   121     for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) {

   122       vm_symbol_index[index] = (SID)index;

   123     }

   124     int num_sids = SID_LIMIT-FIRST_SID;

   125     qsort(&vm_symbol_index[FIRST_SID], num_sids, sizeof(vm_symbol_index[0]),

   126           compare_vmsymbol_sid);

   127   }

   128 

   129 #ifdef ASSERT

   130   {

   131     // Spot-check correspondence between strings, symbols, and enums:

   132     assert(_symbols[NO_SID] == NULL, "must be");

   133     const char* str = "java/lang/Object";

   134     TempNewSymbol jlo = SymbolTable::new_permanent_symbol(str, CHECK);

   135     assert(strncmp(str, (char*)jlo->base(), jlo->utf8_length()) == 0, "");

   136     assert(jlo == java_lang_Object(), "");

   137     SID sid = VM_SYMBOL_ENUM_NAME(java_lang_Object);

   138     assert(find_sid(jlo) == sid, "");

   139     assert(symbol_at(sid) == jlo, "");

   140 

   141     // Make sure find_sid produces the right answer in each case.

   142     for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) {

   143       Symbol* sym = symbol_at((SID)index);

   144       sid = find_sid(sym);

   145       assert(sid == (SID)index, "symbol index works");

   146       // Note:  If there are duplicates, this assert will fail.

   147       // A "Duplicate VM symbol" message will have already been printed.

   148     }

   149 

   150     // The string "format" happens (at the moment) not to be a vmSymbol,

   151     // though it is a method name in java.lang.String.

   152     str = "format";

   153     TempNewSymbol fmt = SymbolTable::new_permanent_symbol(str, CHECK);

   154     sid = find_sid(fmt);

   155     assert(sid == NO_SID, "symbol index works (negative test)");

   156   }

   157 #endif

   158 }

   159 

   160 

   161 #ifndef PRODUCT

   162 const char* vmSymbols::name_for(vmSymbols::SID sid) {

   163   if (sid == NO_SID)

   164     return "NO_SID";

   165   const char* string = &vm_symbol_bodies[0];

   166   for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) {

   167     if (index == (int)sid)

   168       return string;

   169     string += strlen(string); // skip string body

   170     string += 1;              // skip trailing null

   171   }

   172   return "BAD_SID";

   173 }

   174 #endif

   175 

   176 

   177 

   178 void vmSymbols::symbols_do(SymbolClosure* f) {

   179   for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) {

   180     f->do_symbol(&_symbols[index]);

   181   }

   182   for (int i = 0; i < T_VOID+1; i++) {

   183     f->do_symbol(&_type_signatures[i]);

   184   }

   185 }

   186 

   187 void vmSymbols::metaspace_pointers_do(MetaspaceClosure *it) {

   188   for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) {

   189     it->push(&_symbols[index]);

   190   }

   191   for (int i = 0; i < T_VOID+1; i++) {

   192     it->push(&_type_signatures[i]);

   193   }

   194 }

   195 

   196 void vmSymbols::serialize(SerializeClosure* soc) {

   197   soc->do_region((u_char*)&_symbols[FIRST_SID],

   198                  (SID_LIMIT - FIRST_SID) * sizeof(_symbols[0]));

   199   soc->do_region((u_char*)_type_signatures, sizeof(_type_signatures));

   200 }

   201 

   202 

   203 BasicType vmSymbols::signature_type(const Symbol* s) {

   204   assert(s != NULL, "checking");

   205   for (int i = T_BOOLEAN; i < T_VOID+1; i++) {

   206     if (s == _type_signatures[i]) {

   207       return (BasicType)i;

   208     }

   209   }

   210   return T_OBJECT;

   211 }

   212 

   213 

   214 static int mid_hint = (int)vmSymbols::FIRST_SID+1;

   215 

   216 #ifndef PRODUCT

   217 static int find_sid_calls, find_sid_probes;

   218 // (Typical counts are calls=7000 and probes=17000.)

   219 #endif

   220 

   221 vmSymbols::SID vmSymbols::find_sid(const Symbol* symbol) {

   222   // Handle the majority of misses by a bounds check.

   223   // Then, use a binary search over the index.

   224   // Expected trip count is less than log2_SID_LIMIT, about eight.

   225   // This is slow but acceptable, given that calls are not

   226   // dynamically common.  (Method*::intrinsic_id has a cache.)

   227   NOT_PRODUCT(find_sid_calls++);

   228   int min = (int)FIRST_SID, max = (int)SID_LIMIT - 1;

   229   SID sid = NO_SID, sid1;

   230   int cmp1;

   231   sid1 = vm_symbol_index[min];

   232   cmp1 = compare_symbol(symbol, symbol_at(sid1));

   233   if (cmp1 <= 0) {              // before the first

   234     if (cmp1 == 0)  sid = sid1;

   235   } else {

   236     sid1 = vm_symbol_index[max];

   237     cmp1 = compare_symbol(symbol, symbol_at(sid1));

   238     if (cmp1 >= 0) {            // after the last

   239       if (cmp1 == 0)  sid = sid1;

   240     } else {

   241       // After checking the extremes, do a binary search.

   242       ++min; --max;             // endpoints are done

   243       int mid = mid_hint;       // start at previous success

   244       while (max >= min) {

   245         assert(mid >= min && mid <= max, "");

   246         NOT_PRODUCT(find_sid_probes++);

   247         sid1 = vm_symbol_index[mid];

   248         cmp1 = compare_symbol(symbol, symbol_at(sid1));

   249         if (cmp1 == 0) {

   250           mid_hint = mid;

   251           sid = sid1;

   252           break;

   253         }

   254         if (cmp1 < 0)

   255           max = mid - 1;        // symbol < symbol_at(sid)

   256         else

   257           min = mid + 1;

   258 

   259         // Pick a new probe point:

   260         mid = (max + min) / 2;

   261       }

   262     }

   263   }

   264 

   265 #ifdef ASSERT

   266   // Perform the exhaustive self-check the first 1000 calls,

   267   // and every 100 calls thereafter.

   268   static int find_sid_check_count = -2000;

   269   if ((uint)++find_sid_check_count > (uint)100) {

   270     if (find_sid_check_count > 0)  find_sid_check_count = 0;

   271 

   272     // Make sure this is the right answer, using linear search.

   273     // (We have already proven that there are no duplicates in the list.)

   274     SID sid2 = NO_SID;

   275     for (int index = (int)FIRST_SID; index < (int)SID_LIMIT; index++) {

   276       Symbol* sym2 = symbol_at((SID)index);

   277       if (sym2 == symbol) {

   278         sid2 = (SID)index;

   279         break;

   280       }

   281     }

   282     // Unless it's a duplicate, assert that the sids are the same.

   283     if (_symbols[sid] != _symbols[sid2]) {

   284       assert(sid == sid2, "binary same as linear search");

   285     }

   286   }

   287 #endif //ASSERT

   288 

   289   return sid;

   290 }

   291 

   292 vmSymbols::SID vmSymbols::find_sid(const char* symbol_name) {

   293   Symbol* symbol = SymbolTable::probe(symbol_name, (int) strlen(symbol_name));

   294   if (symbol == NULL)  return NO_SID;

   295   return find_sid(symbol);

   296 }

   297 

   298 static vmIntrinsics::ID wrapper_intrinsic(BasicType type, bool unboxing) {

   299 #define TYPE2(type, unboxing) ((int)(type)*2 + ((unboxing) ? 1 : 0))

   300   switch (TYPE2(type, unboxing)) {

   301 #define BASIC_TYPE_CASE(type, box, unbox) \

   302     case TYPE2(type, false):  return vmIntrinsics::box; \

   303     case TYPE2(type, true):   return vmIntrinsics::unbox

   304     BASIC_TYPE_CASE(T_BOOLEAN, _Boolean_valueOf,   _booleanValue);

   305     BASIC_TYPE_CASE(T_BYTE,    _Byte_valueOf,      _byteValue);

   306     BASIC_TYPE_CASE(T_CHAR,    _Character_valueOf, _charValue);

   307     BASIC_TYPE_CASE(T_SHORT,   _Short_valueOf,     _shortValue);

   308     BASIC_TYPE_CASE(T_INT,     _Integer_valueOf,   _intValue);

   309     BASIC_TYPE_CASE(T_LONG,    _Long_valueOf,      _longValue);

   310     BASIC_TYPE_CASE(T_FLOAT,   _Float_valueOf,     _floatValue);

   311     BASIC_TYPE_CASE(T_DOUBLE,  _Double_valueOf,    _doubleValue);

   312 #undef BASIC_TYPE_CASE

   313   }

   314 #undef TYPE2

   315   return vmIntrinsics::_none;

   316 }

   317 

   318 vmIntrinsics::ID vmIntrinsics::for_boxing(BasicType type) {

   319   return wrapper_intrinsic(type, false);

   320 }

   321 vmIntrinsics::ID vmIntrinsics::for_unboxing(BasicType type) {

   322   return wrapper_intrinsic(type, true);

   323 }

   324 

   325 vmIntrinsics::ID vmIntrinsics::for_raw_conversion(BasicType src, BasicType dest) {

   326 #define SRC_DEST(s,d) (((int)(s) << 4) + (int)(d))

   327   switch (SRC_DEST(src, dest)) {

   328   case SRC_DEST(T_INT, T_FLOAT):   return vmIntrinsics::_intBitsToFloat;

   329   case SRC_DEST(T_FLOAT, T_INT):   return vmIntrinsics::_floatToRawIntBits;

   330 

   331   case SRC_DEST(T_LONG, T_DOUBLE): return vmIntrinsics::_longBitsToDouble;

   332   case SRC_DEST(T_DOUBLE, T_LONG): return vmIntrinsics::_doubleToRawLongBits;

   333   }

   334 #undef SRC_DEST

   335 

   336   return vmIntrinsics::_none;

   337 }

   338 

   339 bool vmIntrinsics::preserves_state(vmIntrinsics::ID id) {

   340   assert(id != vmIntrinsics::_none, "must be a VM intrinsic");

   341   switch(id) {

   342 #ifdef TRACE_HAVE_INTRINSICS

   343   case vmIntrinsics::_counterTime:

   344 #endif

   345   case vmIntrinsics::_currentTimeMillis:

   346   case vmIntrinsics::_nanoTime:

   347   case vmIntrinsics::_floatToRawIntBits:

   348   case vmIntrinsics::_intBitsToFloat:

   349   case vmIntrinsics::_doubleToRawLongBits:

   350   case vmIntrinsics::_longBitsToDouble:

   351   case vmIntrinsics::_getClass:

   352   case vmIntrinsics::_isInstance:

   353   case vmIntrinsics::_currentThread:

   354   case vmIntrinsics::_dabs:

   355   case vmIntrinsics::_dsqrt:

   356   case vmIntrinsics::_dsin:

   357   case vmIntrinsics::_dcos:

   358   case vmIntrinsics::_dtan:

   359   case vmIntrinsics::_dlog:

   360   case vmIntrinsics::_dlog10:

   361   case vmIntrinsics::_dexp:

   362   case vmIntrinsics::_dpow:

   363   case vmIntrinsics::_checkIndex:

   364   case vmIntrinsics::_Reference_get:

   365   case vmIntrinsics::_updateCRC32:

   366   case vmIntrinsics::_updateBytesCRC32:

   367   case vmIntrinsics::_updateByteBufferCRC32:

   368   case vmIntrinsics::_vectorizedMismatch:

   369   case vmIntrinsics::_fmaD:

   370   case vmIntrinsics::_fmaF:

   371     return true;

   372   default:

   373     return false;

   374   }

   375 }

   376 

   377 bool vmIntrinsics::can_trap(vmIntrinsics::ID id) {

   378   assert(id != vmIntrinsics::_none, "must be a VM intrinsic");

   379   switch(id) {

   380 #ifdef TRACE_HAVE_INTRINSICS

   381   case vmIntrinsics::_counterTime:

   382   case vmIntrinsics::_getClassId:

   383 #endif

   384   case vmIntrinsics::_currentTimeMillis:

   385   case vmIntrinsics::_nanoTime:

   386   case vmIntrinsics::_floatToRawIntBits:

   387   case vmIntrinsics::_intBitsToFloat:

   388   case vmIntrinsics::_doubleToRawLongBits:

   389   case vmIntrinsics::_longBitsToDouble:

   390   case vmIntrinsics::_currentThread:

   391   case vmIntrinsics::_dabs:

   392   case vmIntrinsics::_dsqrt:

   393   case vmIntrinsics::_dsin:

   394   case vmIntrinsics::_dcos:

   395   case vmIntrinsics::_dtan:

   396   case vmIntrinsics::_dlog:

   397   case vmIntrinsics::_dlog10:

   398   case vmIntrinsics::_dexp:

   399   case vmIntrinsics::_dpow:

   400   case vmIntrinsics::_updateCRC32:

   401   case vmIntrinsics::_updateBytesCRC32:

   402   case vmIntrinsics::_updateByteBufferCRC32:

   403   case vmIntrinsics::_vectorizedMismatch:

   404   case vmIntrinsics::_fmaD:

   405   case vmIntrinsics::_fmaF:

   406     return false;

   407   default:

   408     return true;

   409   }

   410 }

   411 

   412 // Some intrinsics produce different results if they are not pinned

   413 bool vmIntrinsics::should_be_pinned(vmIntrinsics::ID id) {

   414   assert(id != vmIntrinsics::_none, "must be a VM intrinsic");

   415   switch(id) {

   416 #ifdef TRACE_HAVE_INTRINSICS

   417   case vmIntrinsics::_counterTime:

   418 #endif

   419   case vmIntrinsics::_currentTimeMillis:

   420   case vmIntrinsics::_nanoTime:

   421     return true;

   422   default:

   423     return false;

   424   }

   425 }

   426 

   427 bool vmIntrinsics::does_virtual_dispatch(vmIntrinsics::ID id) {

   428   assert(id != vmIntrinsics::_none, "must be a VM intrinsic");

   429   switch(id) {

   430   case vmIntrinsics::_hashCode:

   431   case vmIntrinsics::_clone:

   432     return true;

   433     break;

   434   default:

   435     return false;

   436   }

   437 }

   438 

   439 int vmIntrinsics::predicates_needed(vmIntrinsics::ID id) {

   440   assert(id != vmIntrinsics::_none, "must be a VM intrinsic");

   441   switch (id) {

   442   case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:

   443   case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:

   444   case vmIntrinsics::_counterMode_AESCrypt:

   445     return 1;

   446   case vmIntrinsics::_digestBase_implCompressMB:

   447     return 3;

   448   default:

   449     return 0;

   450   }

   451 }

   452 

   453 bool vmIntrinsics::is_intrinsic_available(vmIntrinsics::ID id) {

   454   return !vmIntrinsics::is_intrinsic_disabled(id) &&

   455     !vmIntrinsics::is_disabled_by_flags(id);

   456 }

   457 

   458 bool vmIntrinsics::is_intrinsic_disabled(vmIntrinsics::ID id) {

   459   assert(id != vmIntrinsics::_none, "must be a VM intrinsic");

   460 

   461   // Canonicalize DisableIntrinsic to contain only ',' as a separator.

   462   // Note, DirectiveSet may not be created at this point yet since this code

   463   // is called from initial stub geenration code.

   464   char* local_list = (char*)DirectiveSet::canonicalize_disableintrinsic(DisableIntrinsic);

   465 

   466   bool found = false;

   467   char* token = strtok(local_list, ",");

   468   while (token != NULL) {

   469     if (strcmp(token, vmIntrinsics::name_at(id)) == 0) {

   470       found = true;

   471       break;

   472     } else {

   473       token = strtok(NULL, ",");

   474     }

   475   }

   476 

   477   FREE_C_HEAP_ARRAY(char, local_list);

   478   return found;

   479 }

   480 

   481 

   482 bool vmIntrinsics::is_disabled_by_flags(const methodHandle& method) {

   483   vmIntrinsics::ID id = method->intrinsic_id();

   484   assert(id != vmIntrinsics::_none, "must be a VM intrinsic");

   485   return is_disabled_by_flags(id);

   486 }

   487 

   488 bool vmIntrinsics::is_disabled_by_flags(vmIntrinsics::ID id) {

   489   assert(id != vmIntrinsics::_none, "must be a VM intrinsic");

   490 

   491   // -XX:-InlineNatives disables nearly all intrinsics except the ones listed in

   492   // the following switch statement.

   493   if (!InlineNatives) {

   494     switch (id) {

   495     case vmIntrinsics::_indexOfL:

   496     case vmIntrinsics::_indexOfU:

   497     case vmIntrinsics::_indexOfUL:

   498     case vmIntrinsics::_indexOfIL:

   499     case vmIntrinsics::_indexOfIU:

   500     case vmIntrinsics::_indexOfIUL:

   501     case vmIntrinsics::_indexOfU_char:

   502     case vmIntrinsics::_compareToL:

   503     case vmIntrinsics::_compareToU:

   504     case vmIntrinsics::_compareToLU:

   505     case vmIntrinsics::_compareToUL:

   506     case vmIntrinsics::_equalsL:

   507     case vmIntrinsics::_equalsU:

   508     case vmIntrinsics::_equalsC:

   509     case vmIntrinsics::_getCharStringU:

   510     case vmIntrinsics::_putCharStringU:

   511     case vmIntrinsics::_compressStringC:

   512     case vmIntrinsics::_compressStringB:

   513     case vmIntrinsics::_inflateStringC:

   514     case vmIntrinsics::_inflateStringB:

   515     case vmIntrinsics::_getAndAddInt:

   516     case vmIntrinsics::_getAndAddLong:

   517     case vmIntrinsics::_getAndSetInt:

   518     case vmIntrinsics::_getAndSetLong:

   519     case vmIntrinsics::_getAndSetObject:

   520     case vmIntrinsics::_loadFence:

   521     case vmIntrinsics::_storeFence:

   522     case vmIntrinsics::_fullFence:

   523     case vmIntrinsics::_hasNegatives:

   524     case vmIntrinsics::_Reference_get:

   525       break;

   526     default:

   527       return true;

   528     }

   529   }

   530 

   531   switch (id) {

   532   case vmIntrinsics::_isInstance:

   533   case vmIntrinsics::_isAssignableFrom:

   534   case vmIntrinsics::_getModifiers:

   535   case vmIntrinsics::_isInterface:

   536   case vmIntrinsics::_isArray:

   537   case vmIntrinsics::_isPrimitive:

   538   case vmIntrinsics::_getSuperclass:

   539   case vmIntrinsics::_Class_cast:

   540   case vmIntrinsics::_getLength:

   541   case vmIntrinsics::_newArray:

   542   case vmIntrinsics::_getClass:

   543     if (!InlineClassNatives) return true;

   544     break;

   545   case vmIntrinsics::_currentThread:

   546   case vmIntrinsics::_isInterrupted:

   547     if (!InlineThreadNatives) return true;

   548     break;

   549   case vmIntrinsics::_floatToRawIntBits:

   550   case vmIntrinsics::_intBitsToFloat:

   551   case vmIntrinsics::_doubleToRawLongBits:

   552   case vmIntrinsics::_longBitsToDouble:

   553   case vmIntrinsics::_dabs:

   554   case vmIntrinsics::_dsqrt:

   555   case vmIntrinsics::_dsin:

   556   case vmIntrinsics::_dcos:

   557   case vmIntrinsics::_dtan:

   558   case vmIntrinsics::_dlog:

   559   case vmIntrinsics::_dexp:

   560   case vmIntrinsics::_dpow:

   561   case vmIntrinsics::_dlog10:

   562   case vmIntrinsics::_datan2:

   563   case vmIntrinsics::_min:

   564   case vmIntrinsics::_max:

   565   case vmIntrinsics::_floatToIntBits:

   566   case vmIntrinsics::_doubleToLongBits:

   567     if (!InlineMathNatives) return true;

   568     break;

   569   case vmIntrinsics::_fmaD:

   570   case vmIntrinsics::_fmaF:

   571     if (!InlineMathNatives || !UseFMA) return true;

   572     break;

   573   case vmIntrinsics::_arraycopy:

   574     if (!InlineArrayCopy) return true;

   575     break;

   576   case vmIntrinsics::_updateCRC32:

   577   case vmIntrinsics::_updateBytesCRC32:

   578   case vmIntrinsics::_updateByteBufferCRC32:

   579     if (!UseCRC32Intrinsics) return true;

   580     break;

   581   case vmIntrinsics::_getObject:

   582   case vmIntrinsics::_getBoolean:

   583   case vmIntrinsics::_getByte:

   584   case vmIntrinsics::_getShort:

   585   case vmIntrinsics::_getChar:

   586   case vmIntrinsics::_getInt:

   587   case vmIntrinsics::_getLong:

   588   case vmIntrinsics::_getFloat:

   589   case vmIntrinsics::_getDouble:

   590   case vmIntrinsics::_putObject:

   591   case vmIntrinsics::_putBoolean:

   592   case vmIntrinsics::_putByte:

   593   case vmIntrinsics::_putShort:

   594   case vmIntrinsics::_putChar:

   595   case vmIntrinsics::_putInt:

   596   case vmIntrinsics::_putLong:

   597   case vmIntrinsics::_putFloat:

   598   case vmIntrinsics::_putDouble:

   599   case vmIntrinsics::_getObjectVolatile:

   600   case vmIntrinsics::_getBooleanVolatile:

   601   case vmIntrinsics::_getByteVolatile:

   602   case vmIntrinsics::_getShortVolatile:

   603   case vmIntrinsics::_getCharVolatile:

   604   case vmIntrinsics::_getIntVolatile:

   605   case vmIntrinsics::_getLongVolatile:

   606   case vmIntrinsics::_getFloatVolatile:

   607   case vmIntrinsics::_getDoubleVolatile:

   608   case vmIntrinsics::_putObjectVolatile:

   609   case vmIntrinsics::_putBooleanVolatile:

   610   case vmIntrinsics::_putByteVolatile:

   611   case vmIntrinsics::_putShortVolatile:

   612   case vmIntrinsics::_putCharVolatile:

   613   case vmIntrinsics::_putIntVolatile:

   614   case vmIntrinsics::_putLongVolatile:

   615   case vmIntrinsics::_putFloatVolatile:

   616   case vmIntrinsics::_putDoubleVolatile:

   617   case vmIntrinsics::_getObjectAcquire:

   618   case vmIntrinsics::_getBooleanAcquire:

   619   case vmIntrinsics::_getByteAcquire:

   620   case vmIntrinsics::_getShortAcquire:

   621   case vmIntrinsics::_getCharAcquire:

   622   case vmIntrinsics::_getIntAcquire:

   623   case vmIntrinsics::_getLongAcquire:

   624   case vmIntrinsics::_getFloatAcquire:

   625   case vmIntrinsics::_getDoubleAcquire:

   626   case vmIntrinsics::_putObjectRelease:

   627   case vmIntrinsics::_putBooleanRelease:

   628   case vmIntrinsics::_putByteRelease:

   629   case vmIntrinsics::_putShortRelease:

   630   case vmIntrinsics::_putCharRelease:

   631   case vmIntrinsics::_putIntRelease:

   632   case vmIntrinsics::_putLongRelease:

   633   case vmIntrinsics::_putFloatRelease:

   634   case vmIntrinsics::_putDoubleRelease:

   635   case vmIntrinsics::_getObjectOpaque:

   636   case vmIntrinsics::_getBooleanOpaque:

   637   case vmIntrinsics::_getByteOpaque:

   638   case vmIntrinsics::_getShortOpaque:

   639   case vmIntrinsics::_getCharOpaque:

   640   case vmIntrinsics::_getIntOpaque:

   641   case vmIntrinsics::_getLongOpaque:

   642   case vmIntrinsics::_getFloatOpaque:

   643   case vmIntrinsics::_getDoubleOpaque:

   644   case vmIntrinsics::_putObjectOpaque:

   645   case vmIntrinsics::_putBooleanOpaque:

   646   case vmIntrinsics::_putByteOpaque:

   647   case vmIntrinsics::_putShortOpaque:

   648   case vmIntrinsics::_putCharOpaque:

   649   case vmIntrinsics::_putIntOpaque:

   650   case vmIntrinsics::_putLongOpaque:

   651   case vmIntrinsics::_putFloatOpaque:

   652   case vmIntrinsics::_putDoubleOpaque:

   653   case vmIntrinsics::_getAndAddInt:

   654   case vmIntrinsics::_getAndAddLong:

   655   case vmIntrinsics::_getAndSetInt:

   656   case vmIntrinsics::_getAndSetLong:

   657   case vmIntrinsics::_getAndSetObject:

   658   case vmIntrinsics::_loadFence:

   659   case vmIntrinsics::_storeFence:

   660   case vmIntrinsics::_fullFence:

   661   case vmIntrinsics::_compareAndSetLong:

   662   case vmIntrinsics::_weakCompareAndSetLong:

   663   case vmIntrinsics::_weakCompareAndSetLongPlain:

   664   case vmIntrinsics::_weakCompareAndSetLongAcquire:

   665   case vmIntrinsics::_weakCompareAndSetLongRelease:

   666   case vmIntrinsics::_compareAndSetInt:

   667   case vmIntrinsics::_weakCompareAndSetInt:

   668   case vmIntrinsics::_weakCompareAndSetIntPlain:

   669   case vmIntrinsics::_weakCompareAndSetIntAcquire:

   670   case vmIntrinsics::_weakCompareAndSetIntRelease:

   671   case vmIntrinsics::_compareAndSetObject:

   672   case vmIntrinsics::_weakCompareAndSetObject:

   673   case vmIntrinsics::_weakCompareAndSetObjectPlain:

   674   case vmIntrinsics::_weakCompareAndSetObjectAcquire:

   675   case vmIntrinsics::_weakCompareAndSetObjectRelease:

   676   case vmIntrinsics::_compareAndExchangeInt:

   677   case vmIntrinsics::_compareAndExchangeIntAcquire:

   678   case vmIntrinsics::_compareAndExchangeIntRelease:

   679   case vmIntrinsics::_compareAndExchangeLong:

   680   case vmIntrinsics::_compareAndExchangeLongAcquire:

   681   case vmIntrinsics::_compareAndExchangeLongRelease:

   682   case vmIntrinsics::_compareAndExchangeObject:

   683   case vmIntrinsics::_compareAndExchangeObjectAcquire:

   684   case vmIntrinsics::_compareAndExchangeObjectRelease:

   685     if (!InlineUnsafeOps) return true;

   686     break;

   687   case vmIntrinsics::_getShortUnaligned:

   688   case vmIntrinsics::_getCharUnaligned:

   689   case vmIntrinsics::_getIntUnaligned:

   690   case vmIntrinsics::_getLongUnaligned:

   691   case vmIntrinsics::_putShortUnaligned:

   692   case vmIntrinsics::_putCharUnaligned:

   693   case vmIntrinsics::_putIntUnaligned:

   694   case vmIntrinsics::_putLongUnaligned:

   695   case vmIntrinsics::_allocateInstance:

   696     if (!InlineUnsafeOps || !UseUnalignedAccesses) return true;

   697     break;

   698   case vmIntrinsics::_hashCode:

   699     if (!InlineObjectHash) return true;

   700     break;

   701   case vmIntrinsics::_aescrypt_encryptBlock:

   702   case vmIntrinsics::_aescrypt_decryptBlock:

   703     if (!UseAESIntrinsics) return true;

   704     break;

   705   case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:

   706   case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:

   707     if (!UseAESIntrinsics) return true;

   708     break;

   709   case vmIntrinsics::_counterMode_AESCrypt:

   710     if (!UseAESCTRIntrinsics) return true;

   711     break;

   712   case vmIntrinsics::_sha_implCompress:

   713     if (!UseSHA1Intrinsics) return true;

   714     break;

   715   case vmIntrinsics::_sha2_implCompress:

   716     if (!UseSHA256Intrinsics) return true;

   717     break;

   718   case vmIntrinsics::_sha5_implCompress:

   719     if (!UseSHA512Intrinsics) return true;

   720     break;

   721   case vmIntrinsics::_digestBase_implCompressMB:

   722     if (!(UseSHA1Intrinsics || UseSHA256Intrinsics || UseSHA512Intrinsics)) return true;

   723     break;

   724   case vmIntrinsics::_ghash_processBlocks:

   725     if (!UseGHASHIntrinsics) return true;

   726     break;

   727   case vmIntrinsics::_updateBytesCRC32C:

   728   case vmIntrinsics::_updateDirectByteBufferCRC32C:

   729     if (!UseCRC32CIntrinsics) return true;

   730     break;

   731   case vmIntrinsics::_vectorizedMismatch:

   732     if (!UseVectorizedMismatchIntrinsic) return true;

   733     break;

   734   case vmIntrinsics::_updateBytesAdler32:

   735   case vmIntrinsics::_updateByteBufferAdler32:

   736     if (!UseAdler32Intrinsics) return true;

   737     break;

   738   case vmIntrinsics::_copyMemory:

   739     if (!InlineArrayCopy || !InlineUnsafeOps) return true;

   740     break;

   741 #ifdef COMPILER1

   742   case vmIntrinsics::_checkIndex:

   743     if (!InlineNIOCheckIndex) return true;

   744     break;

   745 #endif // COMPILER1

   746 #ifdef COMPILER2

   747   case vmIntrinsics::_clone:

   748   case vmIntrinsics::_copyOf:

   749   case vmIntrinsics::_copyOfRange:

   750     // These intrinsics use both the objectcopy and the arraycopy

   751     // intrinsic mechanism.

   752     if (!InlineObjectCopy || !InlineArrayCopy) return true;

   753     break;

   754   case vmIntrinsics::_compareToL:

   755   case vmIntrinsics::_compareToU:

   756   case vmIntrinsics::_compareToLU:

   757   case vmIntrinsics::_compareToUL:

   758     if (!SpecialStringCompareTo) return true;

   759     break;

   760   case vmIntrinsics::_indexOfL:

   761   case vmIntrinsics::_indexOfU:

   762   case vmIntrinsics::_indexOfUL:

   763   case vmIntrinsics::_indexOfIL:

   764   case vmIntrinsics::_indexOfIU:

   765   case vmIntrinsics::_indexOfIUL:

   766   case vmIntrinsics::_indexOfU_char:

   767     if (!SpecialStringIndexOf) return true;

   768     break;

   769   case vmIntrinsics::_equalsL:

   770   case vmIntrinsics::_equalsU:

   771     if (!SpecialStringEquals) return true;

   772     break;

   773   case vmIntrinsics::_equalsB:

   774   case vmIntrinsics::_equalsC:

   775     if (!SpecialArraysEquals) return true;

   776     break;

   777   case vmIntrinsics::_encodeISOArray:

   778   case vmIntrinsics::_encodeByteISOArray:

   779     if (!SpecialEncodeISOArray) return true;

   780     break;

   781   case vmIntrinsics::_getCallerClass:

   782     if (!InlineReflectionGetCallerClass) return true;

   783     break;

   784   case vmIntrinsics::_multiplyToLen:

   785     if (!UseMultiplyToLenIntrinsic) return true;

   786     break;

   787   case vmIntrinsics::_squareToLen:

   788     if (!UseSquareToLenIntrinsic) return true;

   789     break;

   790   case vmIntrinsics::_mulAdd:

   791     if (!UseMulAddIntrinsic) return true;

   792     break;

   793   case vmIntrinsics::_montgomeryMultiply:

   794     if (!UseMontgomeryMultiplyIntrinsic) return true;

   795     break;

   796   case vmIntrinsics::_montgomerySquare:

   797     if (!UseMontgomerySquareIntrinsic) return true;

   798     break;

   799   case vmIntrinsics::_addExactI:

   800   case vmIntrinsics::_addExactL:

   801   case vmIntrinsics::_decrementExactI:

   802   case vmIntrinsics::_decrementExactL:

   803   case vmIntrinsics::_incrementExactI:

   804   case vmIntrinsics::_incrementExactL:

   805   case vmIntrinsics::_multiplyExactI:

   806   case vmIntrinsics::_multiplyExactL:

   807   case vmIntrinsics::_negateExactI:

   808   case vmIntrinsics::_negateExactL:

   809   case vmIntrinsics::_subtractExactI:

   810   case vmIntrinsics::_subtractExactL:

   811     if (!UseMathExactIntrinsics || !InlineMathNatives) return true;

   812     break;

   813 #endif // COMPILER2

   814   default:

   815     return false;

   816   }

   817 

   818   return false;

   819 }

   820 

   821 #define VM_INTRINSIC_INITIALIZE(id, klass, name, sig, flags) #id "\0"

   822 static const char* vm_intrinsic_name_bodies =

   823   VM_INTRINSICS_DO(VM_INTRINSIC_INITIALIZE,

   824                    VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE);

   825 

   826 static const char* vm_intrinsic_name_table[vmIntrinsics::ID_LIMIT];

   827 

   828 const char* vmIntrinsics::name_at(vmIntrinsics::ID id) {

   829   const char** nt = &vm_intrinsic_name_table[0];

   830   if (nt[_none] == NULL) {

   831     char* string = (char*) &vm_intrinsic_name_bodies[0];

   832     for (int index = FIRST_ID; index < ID_LIMIT; index++) {

   833       nt[index] = string;

   834       string += strlen(string); // skip string body

   835       string += 1;              // skip trailing null

   836     }

   837     assert(!strcmp(nt[_hashCode], "_hashCode"), "lined up");

   838     nt[_none] = "_none";

   839   }

   840   if ((uint)id < (uint)ID_LIMIT)

   841     return vm_intrinsic_name_table[(uint)id];

   842   else

   843     return "(unknown intrinsic)";

   844 }

   845 

   846 // These are flag-matching functions:

   847 inline bool match_F_R(jshort flags) {

   848   const int req = 0;

   849   const int neg = JVM_ACC_STATIC | JVM_ACC_SYNCHRONIZED;

   850   return (flags & (req | neg)) == req;

   851 }

   852 inline bool match_F_Y(jshort flags) {

   853   const int req = JVM_ACC_SYNCHRONIZED;

   854   const int neg = JVM_ACC_STATIC;

   855   return (flags & (req | neg)) == req;

   856 }

   857 inline bool match_F_RN(jshort flags) {

   858   const int req = JVM_ACC_NATIVE;

   859   const int neg = JVM_ACC_STATIC | JVM_ACC_SYNCHRONIZED;

   860   return (flags & (req | neg)) == req;

   861 }

   862 inline bool match_F_S(jshort flags) {

   863   const int req = JVM_ACC_STATIC;

   864   const int neg = JVM_ACC_SYNCHRONIZED;

   865   return (flags & (req | neg)) == req;

   866 }

   867 inline bool match_F_SN(jshort flags) {

   868   const int req = JVM_ACC_STATIC | JVM_ACC_NATIVE;

   869   const int neg = JVM_ACC_SYNCHRONIZED;

   870   return (flags & (req | neg)) == req;

   871 }

   872 inline bool match_F_RNY(jshort flags) {

   873   const int req = JVM_ACC_NATIVE | JVM_ACC_SYNCHRONIZED;

   874   const int neg = JVM_ACC_STATIC;

   875   return (flags & (req | neg)) == req;

   876 }

   877 

   878 // These are for forming case labels:

   879 #define ID3(x, y, z) (( jlong)(z) +                                  \

   880                       ((jlong)(y) <<    vmSymbols::log2_SID_LIMIT) + \

   881                       ((jlong)(x) << (2*vmSymbols::log2_SID_LIMIT))  )

   882 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n)

   883 

   884 vmIntrinsics::ID vmIntrinsics::find_id_impl(vmSymbols::SID holder,

   885                                             vmSymbols::SID name,

   886                                             vmSymbols::SID sig,

   887                                             jshort flags) {

   888   assert((int)vmSymbols::SID_LIMIT <= (1<<vmSymbols::log2_SID_LIMIT), "must fit");

   889 

   890   // Let the C compiler build the decision tree.

   891 

   892 #define VM_INTRINSIC_CASE(id, klass, name, sig, fcode) \

   893   case ID3(SID_ENUM(klass), SID_ENUM(name), SID_ENUM(sig)): \

   894     if (!match_##fcode(flags))  break; \

   895     return id;

   896 

   897   switch (ID3(holder, name, sig)) {

   898     VM_INTRINSICS_DO(VM_INTRINSIC_CASE,

   899                      VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE);

   900   }

   901   return vmIntrinsics::_none;

   902 

   903 #undef VM_INTRINSIC_CASE

   904 }

   905 

   906 

   907 const char* vmIntrinsics::short_name_as_C_string(vmIntrinsics::ID id, char* buf, int buflen) {

   908   const char* str = name_at(id);

   909 #ifndef PRODUCT

   910   const char* kname = vmSymbols::name_for(class_for(id));

   911   const char* mname = vmSymbols::name_for(name_for(id));

   912   const char* sname = vmSymbols::name_for(signature_for(id));

   913   const char* fname = "";

   914   switch (flags_for(id)) {

   915   case F_Y:  fname = "synchronized ";  break;

   916   case F_RN: fname = "native ";        break;

   917   case F_SN: fname = "native static "; break;

   918   case F_S:  fname = "static ";        break;

   919   case F_RNY:fname = "native synchronized "; break;

   920   default:   break;

   921   }

   922   const char* kptr = strrchr(kname, '/');

   923   if (kptr != NULL)  kname = kptr + 1;

   924   int len = jio_snprintf(buf, buflen, "%s: %s%s.%s%s",

   925                          str, fname, kname, mname, sname);

   926   if (len < buflen)

   927     str = buf;

   928 #endif //PRODUCT

   929   return str;

   930 }

   931 

   932 

   933 // These are to get information about intrinsics.

   934 

   935 #define ID4(x, y, z, f) ((ID3(x, y, z) << vmIntrinsics::log2_FLAG_LIMIT) | (jlong) (f))

   936 

   937 static const jlong intrinsic_info_array[vmIntrinsics::ID_LIMIT+1] = {

   938 #define VM_INTRINSIC_INFO(ignore_id, klass, name, sig, fcode) \

   939   ID4(SID_ENUM(klass), SID_ENUM(name), SID_ENUM(sig), vmIntrinsics::fcode),

   940 

   941   0, VM_INTRINSICS_DO(VM_INTRINSIC_INFO,

   942                      VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE)

   943     0

   944 #undef VM_INTRINSIC_INFO

   945 };

   946 

   947 inline jlong intrinsic_info(vmIntrinsics::ID id) {

   948   return intrinsic_info_array[vmIntrinsics::ID_from((int)id)];

   949 }

   950 

   951 vmSymbols::SID vmIntrinsics::class_for(vmIntrinsics::ID id) {

   952   jlong info = intrinsic_info(id);

   953   int shift = 2*vmSymbols::log2_SID_LIMIT + log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT);

   954   assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1021, "");

   955   return vmSymbols::SID( (info >> shift) & mask );

   956 }

   957 

   958 vmSymbols::SID vmIntrinsics::name_for(vmIntrinsics::ID id) {

   959   jlong info = intrinsic_info(id);

   960   int shift = vmSymbols::log2_SID_LIMIT + log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT);

   961   assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1022, "");

   962   return vmSymbols::SID( (info >> shift) & mask );

   963 }

   964 

   965 vmSymbols::SID vmIntrinsics::signature_for(vmIntrinsics::ID id) {

   966   jlong info = intrinsic_info(id);

   967   int shift = log2_FLAG_LIMIT, mask = right_n_bits(vmSymbols::log2_SID_LIMIT);

   968   assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 1023, "");

   969   return vmSymbols::SID( (info >> shift) & mask );

   970 }

   971 

   972 vmIntrinsics::Flags vmIntrinsics::flags_for(vmIntrinsics::ID id) {

   973   jlong info = intrinsic_info(id);

   974   int shift = 0, mask = right_n_bits(log2_FLAG_LIMIT);

   975   assert(((ID4(1021,1022,1023,15) >> shift) & mask) == 15, "");

   976   return Flags( (info >> shift) & mask );

   977 }

   978 

   979 

   980 #ifndef PRODUCT

   981 // verify_method performs an extra check on a matched intrinsic method

   982 

   983 static bool match_method(Method* m, Symbol* n, Symbol* s) {

   984   return (m->name() == n &&

   985           m->signature() == s);

   986 }

   987 

   988 static vmIntrinsics::ID match_method_with_klass(Method* m, Symbol* mk) {

   989 #define VM_INTRINSIC_MATCH(id, klassname, namepart, sigpart, flags) \

   990   { Symbol* k = vmSymbols::klassname(); \

   991     if (mk == k) { \

   992       Symbol* n = vmSymbols::namepart(); \

   993       Symbol* s = vmSymbols::sigpart(); \

   994       if (match_method(m, n, s)) \

   995         return vmIntrinsics::id; \

   996     } }

   997   VM_INTRINSICS_DO(VM_INTRINSIC_MATCH,

   998                    VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE);

   999   return vmIntrinsics::_none;

  1000 #undef VM_INTRINSIC_MATCH

  1001 }

  1002 

  1003 void vmIntrinsics::verify_method(ID actual_id, Method* m) {

  1004   Symbol* mk = m->method_holder()->name();

  1005   ID declared_id = match_method_with_klass(m, mk);

  1006 

  1007   if (declared_id == actual_id)  return; // success

  1008 

  1009   if (declared_id == _none && actual_id != _none && mk == vmSymbols::java_lang_StrictMath()) {

  1010     // Here are a few special cases in StrictMath not declared in vmSymbols.hpp.

  1011     switch (actual_id) {

  1012     case _min:

  1013     case _max:

  1014     case _dsqrt:

  1015       declared_id = match_method_with_klass(m, vmSymbols::java_lang_Math());

  1016       if (declared_id == actual_id)  return; // acceptable alias

  1017       break;

  1018     default:

  1019         break;

  1020     }

  1021   }

  1022 

  1023   const char* declared_name = name_at(declared_id);

  1024   const char* actual_name   = name_at(actual_id);

  1025   methodHandle mh = m;

  1026   m = NULL;

  1027   ttyLocker ttyl;

  1028   if (xtty != NULL) {

  1029     xtty->begin_elem("intrinsic_misdeclared actual='%s' declared='%s'",

  1030                      actual_name, declared_name);

  1031     xtty->method(mh);

  1032     xtty->end_elem("%s", "");

  1033   }

  1034   if (PrintMiscellaneous && (WizardMode || Verbose)) {

  1035     tty->print_cr("*** misidentified method; %s(%d) should be %s(%d):",

  1036                   declared_name, declared_id, actual_name, actual_id);

  1037     mh()->print_short_name(tty);

  1038     tty->cr();

  1039   }

  1040 }

  1041 #endif //PRODUCT