/*

 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "interpreter/bytecodeInterpreter.hpp"

#include "interpreter/interpreter.hpp"

#include "interpreter/interpreterGenerator.hpp"

#include "interpreter/interpreterRuntime.hpp"

#ifdef CC_INTERP

# define __ _masm->

void CppInterpreter::initialize() {

  if (_code != NULL) return;

  AbstractInterpreter::initialize();

  // generate interpreter

  { ResourceMark rm;

    TraceTime timer("Interpreter generation", TraceStartupTime);

    int code_size = InterpreterCodeSize;

    NOT_PRODUCT(code_size *= 4;)  // debug uses extra interpreter code space

    _code = new StubQueue(new InterpreterCodeletInterface, code_size, NULL,

                          "Interpreter");

    InterpreterGenerator g(_code);

    if (PrintInterpreter) print();

  }

  // Allow c++ interpreter to do one initialization now that switches are set, etc.

  BytecodeInterpreter start_msg(BytecodeInterpreter::initialize);

  if (JvmtiExport::can_post_interpreter_events())

    BytecodeInterpreter::runWithChecks(&start_msg);

  else

    BytecodeInterpreter::run(&start_msg);

}

address    CppInterpreter::_tosca_to_stack         [AbstractInterpreter::number_of_result_handlers];

address    CppInterpreter::_stack_to_stack         [AbstractInterpreter::number_of_result_handlers];

address    CppInterpreter::_stack_to_native_abi    [AbstractInterpreter::number_of_result_handlers];

CppInterpreterGenerator::CppInterpreterGenerator(StubQueue* _code): AbstractInterpreterGenerator(_code) {

}

static const BasicType types[Interpreter::number_of_result_handlers] = {

  T_BOOLEAN,

  T_CHAR   ,

  T_BYTE   ,

  T_SHORT  ,

  T_INT    ,

  T_LONG   ,

  T_VOID   ,

  T_FLOAT  ,

  T_DOUBLE ,

  T_OBJECT

};

void CppInterpreterGenerator::generate_all() {

  AbstractInterpreterGenerator::generate_all();

  { CodeletMark cm(_masm, "result handlers for native calls");

    // The various result converter stublets.

    int is_generated[Interpreter::number_of_result_handlers];

    memset(is_generated, 0, sizeof(is_generated));

    int _tosca_to_stack_is_generated[Interpreter::number_of_result_handlers];

    int _stack_to_stack_is_generated[Interpreter::number_of_result_handlers];

    int _stack_to_native_abi_is_generated[Interpreter::number_of_result_handlers];

    memset(_tosca_to_stack_is_generated, 0, sizeof(_tosca_to_stack_is_generated));

    memset(_stack_to_stack_is_generated, 0, sizeof(_stack_to_stack_is_generated));

    memset(_stack_to_native_abi_is_generated, 0, sizeof(_stack_to_native_abi_is_generated));

    for (int i = 0; i < Interpreter::number_of_result_handlers; i++) {

      BasicType type = types[i];

      if (!is_generated[Interpreter::BasicType_as_index(type)]++) {

        Interpreter::_native_abi_to_tosca[Interpreter::BasicType_as_index(type)] = generate_result_handler_for(type);

      }

      if (!_tosca_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {

        Interpreter::_tosca_to_stack[Interpreter::BasicType_as_index(type)] = generate_tosca_to_stack_converter(type);

      }

      if (!_stack_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {

        Interpreter::_stack_to_stack[Interpreter::BasicType_as_index(type)] = generate_stack_to_stack_converter(type);

      }

      if (!_stack_to_native_abi_is_generated[Interpreter::BasicType_as_index(type)]++) {

        Interpreter::_stack_to_native_abi[Interpreter::BasicType_as_index(type)] = generate_stack_to_native_abi_converter(type);

      }

    }

  }

#define method_entry(kind) Interpreter::_entry_table[Interpreter::kind] = ((InterpreterGenerator*)this)->generate_method_entry(Interpreter::kind)

  { CodeletMark cm(_masm, "(kind = frame_manager)");

    // all non-native method kinds

    method_entry(zerolocals);

    method_entry(zerolocals_synchronized);

    method_entry(empty);

    method_entry(accessor);

    method_entry(abstract);

    method_entry(java_lang_math_sin   );

    method_entry(java_lang_math_cos   );

    method_entry(java_lang_math_tan   );

    method_entry(java_lang_math_abs   );

    method_entry(java_lang_math_sqrt  );

    method_entry(java_lang_math_log   );

    method_entry(java_lang_math_log10 );

    method_entry(java_lang_math_pow );

    method_entry(java_lang_math_exp );

    method_entry(java_lang_ref_reference_get);

    initialize_method_handle_entries();

    Interpreter::_native_entry_begin = Interpreter::code()->code_end();

    method_entry(native);

    method_entry(native_synchronized);

    Interpreter::_native_entry_end = Interpreter::code()->code_end();

  }

#undef method_entry

}

#endif // CC_INTERP