1 /*
   2  * Copyright (c) 1997, 2015, 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_CPPINTERPRETERGENERATOR_HPP
  26 #define SHARE_VM_INTERPRETER_CPPINTERPRETERGENERATOR_HPP
  27 
  28 // This file contains the platform-independent parts
  29 // of the template interpreter generator.
  30 
  31 #ifdef CC_INTERP
  32 #ifdef ZERO
  33 # include "entry_zero.hpp"
  34 # include "interpreter/interp_masm.hpp"
  35 #endif
  36 
  37 class CppInterpreterGenerator: public AbstractInterpreterGenerator {
  38 
  39  private:
  40   void generate_all();
  41 
  42   address generate_slow_signature_handler();
  43 
  44   address generate_method_entry(AbstractInterpreter::MethodKind kind);
  45   address generate_normal_entry(bool synchronized);
  46   address generate_native_entry(bool synchronized);
  47   address generate_abstract_entry();
  48   address generate_math_entry(AbstractInterpreter::MethodKind kind);
  49   address generate_empty_entry();
  50   address generate_accessor_entry();
  51   address generate_Reference_get_entry();
  52 
  53  public:
  54   CppInterpreterGenerator(StubQueue* _code);
  55 
  56 #ifdef ZERO
  57  protected:
  58   MacroAssembler* assembler() const {
  59     return _masm;
  60   }
  61 
  62  public:
  63   static address generate_entry_impl(MacroAssembler* masm, address entry_point) {
  64     ZeroEntry *entry = (ZeroEntry *) masm->pc();
  65     masm->advance(sizeof(ZeroEntry));
  66     entry->set_entry_point(entry_point);
  67     return (address) entry;
  68   }
  69 
  70  protected:
  71   address generate_entry(address entry_point) {
  72     return generate_entry_impl(assembler(), entry_point);
  73   }
  74 #endif // ZERO
  75 };
  76 
  77 #endif // CC_INTERP
  78 #endif // SHARE_VM_INTERPRETER_CPPINTERPRETERGENERATOR_HPP