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  *

2074 
2075 bool SystemDictionary::initialize_wk_klass(WKID id, int init_opt, TRAPS) {
2076   assert(id >= (int)FIRST_WKID && id < (int)WKID_LIMIT, "oob");
2077   int  info = wk_init_info[id - FIRST_WKID];
2078   int  sid  = (info >> CEIL_LG_OPTION_LIMIT);
2079   Symbol* symbol = vmSymbols::symbol_at((vmSymbols::SID)sid);
2080   InstanceKlass** klassp = &_well_known_klasses[id];
2081 
2082   bool must_load;
2083 #if INCLUDE_JVMCI
2084   if (EnableJVMCI) {
2085     // If JVMCI is enabled we require its classes to be found.
2086     must_load = (init_opt < SystemDictionary::Opt) || (init_opt == SystemDictionary::Jvmci);
2087   } else
2088 #endif
2089   {
2090     must_load = (init_opt < SystemDictionary::Opt);
2091   }
2092 
2093   if (init_opt == SystemDictionary::ValhallaClasses) {
2094     if (EnableValhalla || EnableMVT) {
2095       must_load = true;
2096     } else {
2097       return false;
2098     }
2099   } else if (init_opt == SystemDictionary::MVTClasses) {
2100     if (EnableMVT) {
2101       must_load = true;
2102     } else {
2103       return false;
2104     }
2105   }
2106 
2107   if ((*klassp) == NULL) {
2108     Klass* k;
2109     if (must_load) {
2110       k = resolve_or_fail(symbol, true, CHECK_0); // load required class
2111     } else {
2112       k = resolve_or_null(symbol,       CHECK_0); // load optional klass
2113     }
2114     (*klassp) = (k == NULL) ? NULL : InstanceKlass::cast(k);
2115   }
2116   return ((*klassp) != NULL);
2117 }
2118 
2119 void SystemDictionary::initialize_wk_klasses_until(WKID limit_id, WKID &start_id, TRAPS) {
2120   assert((int)start_id <= (int)limit_id, "IDs are out of order!");

   1 /*
   2  * Copyright (c) 1997, 2018, 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  *

2074 
2075 bool SystemDictionary::initialize_wk_klass(WKID id, int init_opt, TRAPS) {
2076   assert(id >= (int)FIRST_WKID && id < (int)WKID_LIMIT, "oob");
2077   int  info = wk_init_info[id - FIRST_WKID];
2078   int  sid  = (info >> CEIL_LG_OPTION_LIMIT);
2079   Symbol* symbol = vmSymbols::symbol_at((vmSymbols::SID)sid);
2080   InstanceKlass** klassp = &_well_known_klasses[id];
2081 
2082   bool must_load;
2083 #if INCLUDE_JVMCI
2084   if (EnableJVMCI) {
2085     // If JVMCI is enabled we require its classes to be found.
2086     must_load = (init_opt < SystemDictionary::Opt) || (init_opt == SystemDictionary::Jvmci);
2087   } else
2088 #endif
2089   {
2090     must_load = (init_opt < SystemDictionary::Opt);
2091   }
2092 
2093   if (init_opt == SystemDictionary::ValhallaClasses) {
2094     if (EnableValhalla) {






2095       must_load = true;
2096     } else {
2097       return false;
2098     }
2099   }
2100 
2101   if ((*klassp) == NULL) {
2102     Klass* k;
2103     if (must_load) {
2104       k = resolve_or_fail(symbol, true, CHECK_0); // load required class
2105     } else {
2106       k = resolve_or_null(symbol,       CHECK_0); // load optional klass
2107     }
2108     (*klassp) = (k == NULL) ? NULL : InstanceKlass::cast(k);
2109   }
2110   return ((*klassp) != NULL);
2111 }
2112 
2113 void SystemDictionary::initialize_wk_klasses_until(WKID limit_id, WKID &start_id, TRAPS) {
2114   assert((int)start_id <= (int)limit_id, "IDs are out of order!");