src/share/vm/interpreter/templateInterpreter.hpp

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   1 /*
   2  * Copyright (c) 1997, 2009, 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 // This file contains the platform-independent parts
  26 // of the template interpreter and the template interpreter generator.
  27 
  28 #ifndef CC_INTERP
  29 
  30 //------------------------------------------------------------------------------------------------------------------------
  31 // A little wrapper class to group tosca-specific entry points into a unit.
  32 // (tosca = Top-Of-Stack CAche)
  33 
  34 class EntryPoint VALUE_OBJ_CLASS_SPEC {
  35  private:
  36   address _entry[number_of_states];
  37 
  38  public:
  39   // Construction
  40   EntryPoint();
  41   EntryPoint(address bentry, address centry, address sentry, address aentry, address ientry, address lentry, address fentry, address dentry, address ventry);
  42 
  43   // Attributes
  44   address entry(TosState state) const;                // return target address for a given tosca state


 160   static int        TosState_as_index(TosState state);          // computes index into return_3_entry_by_index table
 161 
 162   static address    return_entry  (TosState state, int length);
 163   static address    deopt_entry   (TosState state, int length);
 164 
 165   // Safepoint support
 166   static void       notice_safepoints();                        // stops the thread when reaching a safepoint
 167   static void       ignore_safepoints();                        // ignores safepoints
 168 
 169   // Deoptimization support
 170   // Compute the entry address for continuation after
 171   static address deopt_continue_after_entry(methodOop method,
 172                                             address bcp,
 173                                             int callee_parameters,
 174                                             bool is_top_frame);
 175   // Deoptimization should reexecute this bytecode
 176   static bool    bytecode_should_reexecute(Bytecodes::Code code);
 177   // Compute the address for reexecution
 178   static address deopt_reexecute_entry(methodOop method, address bcp);
 179 
 180 #include "incls/_templateInterpreter_pd.hpp.incl"









 181 
 182 };
 183 
 184 #endif // !CC_INTERP


   1 /*
   2  * Copyright (c) 1997, 2010, 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 #ifndef SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP
  26 #define SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP
  27 
  28 #include "interpreter/abstractInterpreter.hpp"
  29 #include "interpreter/templateTable.hpp"
  30 
  31 // This file contains the platform-independent parts
  32 // of the template interpreter and the template interpreter generator.
  33 
  34 #ifndef CC_INTERP
  35 
  36 //------------------------------------------------------------------------------------------------------------------------
  37 // A little wrapper class to group tosca-specific entry points into a unit.
  38 // (tosca = Top-Of-Stack CAche)
  39 
  40 class EntryPoint VALUE_OBJ_CLASS_SPEC {
  41  private:
  42   address _entry[number_of_states];
  43 
  44  public:
  45   // Construction
  46   EntryPoint();
  47   EntryPoint(address bentry, address centry, address sentry, address aentry, address ientry, address lentry, address fentry, address dentry, address ventry);
  48 
  49   // Attributes
  50   address entry(TosState state) const;                // return target address for a given tosca state


 166   static int        TosState_as_index(TosState state);          // computes index into return_3_entry_by_index table
 167 
 168   static address    return_entry  (TosState state, int length);
 169   static address    deopt_entry   (TosState state, int length);
 170 
 171   // Safepoint support
 172   static void       notice_safepoints();                        // stops the thread when reaching a safepoint
 173   static void       ignore_safepoints();                        // ignores safepoints
 174 
 175   // Deoptimization support
 176   // Compute the entry address for continuation after
 177   static address deopt_continue_after_entry(methodOop method,
 178                                             address bcp,
 179                                             int callee_parameters,
 180                                             bool is_top_frame);
 181   // Deoptimization should reexecute this bytecode
 182   static bool    bytecode_should_reexecute(Bytecodes::Code code);
 183   // Compute the address for reexecution
 184   static address deopt_reexecute_entry(methodOop method, address bcp);
 185 
 186 #ifdef TARGET_ARCH_x86
 187 # include "templateInterpreter_x86.hpp"
 188 #endif
 189 #ifdef TARGET_ARCH_sparc
 190 # include "templateInterpreter_sparc.hpp"
 191 #endif
 192 #ifdef TARGET_ARCH_zero
 193 # include "templateInterpreter_zero.hpp"
 194 #endif
 195 
 196 
 197 };
 198 
 199 #endif // !CC_INTERP
 200 
 201 #endif // SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP