jdk8-mips64-public/hotspot: src/share/vm/interpreter/cppInterpreter.hpp@710a3c8b516e

     1 /*

     2  * Copyright (c) 1997, 2013, 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  */

    25 /*

    26  * This file has been modified by Loongson Technology in 2015. These

    27  * modifications are Copyright (c) 2015 Loongson Technology, and are made

    28  * available on the same license terms set forth above.

    29  */

    31 #ifndef SHARE_VM_INTERPRETER_CPPINTERPRETER_HPP

    32 #define SHARE_VM_INTERPRETER_CPPINTERPRETER_HPP

    34 #include "interpreter/abstractInterpreter.hpp"

    36 #ifdef CC_INTERP

    38 // This file contains the platform-independent parts

    39 // of the c++ interpreter

    41 class CppInterpreter: public AbstractInterpreter {

    42   friend class VMStructs;

    43   friend class Interpreter; // contains()

    44   friend class InterpreterGenerator; // result handlers

    45   friend class CppInterpreterGenerator; // result handlers

    46  public:

    49  protected:

    51   // tosca result -> stack result

    52   static address    _tosca_to_stack[number_of_result_handlers];  // converts tosca to C++ interpreter stack result

    53   // stack result -> stack result

    54   static address    _stack_to_stack[number_of_result_handlers];  // pass result between C++ interpreter calls

    55   // stack result -> native abi result

    56   static address    _stack_to_native_abi[number_of_result_handlers];  // converts C++ interpreter results to native abi

    58   // this is to allow frame and only frame to use contains().

    59   friend class      frame;

    61  public:

    62   // Initialization/debugging

    63   static void       initialize();

    64   // this only returns whether a pc is within generated code for the interpreter.

    66   // This is a moderately dubious interface for the c++ interpreter. Only

    67   // frame code and debug.cpp should be using it.

    68   static bool       contains(address pc);

    70  public:

    73   // No displatch table to switch so no need for these to do anything special

    74   static void notice_safepoints() {}

    75   static void ignore_safepoints() {}

    77   static address    native_result_to_tosca()                    { return (address)_native_abi_to_tosca; } // aka result handler

    78   static address    tosca_result_to_stack()                     { return (address)_tosca_to_stack; }

    79   static address    stack_result_to_stack()                     { return (address)_stack_to_stack; }

    80   static address    stack_result_to_native()                    { return (address)_stack_to_native_abi; }

    82   static address    native_result_to_tosca(int index)           { return _native_abi_to_tosca[index]; } // aka result handler

    83   static address    tosca_result_to_stack(int index)            { return _tosca_to_stack[index]; }

    84   static address    stack_result_to_stack(int index)            { return _stack_to_stack[index]; }

    85   static address    stack_result_to_native(int index)           { return _stack_to_native_abi[index]; }

    87   static address    return_entry  (TosState state, int length, Bytecodes::Code code);

    88   static address    deopt_entry   (TosState state, int length);

    90 #ifdef TARGET_ARCH_x86

    91 # include "cppInterpreter_x86.hpp"

    92 #endif

    93 #ifdef TARGET_ARCH_mips

    94 # include "cppInterpreter_mips.hpp"

    95 #endif

    96 #ifdef TARGET_ARCH_sparc

    97 # include "cppInterpreter_sparc.hpp"

    98 #endif

    99 #ifdef TARGET_ARCH_zero

   100 # include "cppInterpreter_zero.hpp"

   101 #endif

   102 #ifdef TARGET_ARCH_arm

   103 # include "cppInterpreter_arm.hpp"

   104 #endif

   105 #ifdef TARGET_ARCH_ppc

   106 # include "cppInterpreter_ppc.hpp"

   107 #endif

   110 };

   112 #endif // CC_INTERP

   114 #endif // SHARE_VM_INTERPRETER_CPPINTERPRETER_HPP

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