/*

 * Copyright (c) 1997, 2015, 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/cppInterpreterGenerator.hpp"

#include "interpreter/interpreter.hpp"

#include "interpreter/interpreterRuntime.hpp"

#ifdef CC_INTERP

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

  generate_all();

}

void CppInterpreterGenerator::generate_all() {

  { CodeletMark cm(_masm, "slow signature handler");

    AbstractInterpreter::_slow_signature_handler = generate_slow_signature_handler();

  }

#define method_entry(kind) Interpreter::_entry_table[Interpreter::kind] = 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);

    AbstractInterpreter::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

}

// Generate method entries

address CppInterpreterGenerator::generate_method_entry(

                                        AbstractInterpreter::MethodKind kind) {

  // determine code generation flags

  bool native = false;

  bool synchronized = false;

  address entry_point = NULL;

  switch (kind) {

  case Interpreter::zerolocals             :                                          break;

  case Interpreter::zerolocals_synchronized:                synchronized = true;      break;

  case Interpreter::native                 : native = true;                           break;

  case Interpreter::native_synchronized    : native = true; synchronized = true;      break;

  case Interpreter::empty                  : entry_point = generate_empty_entry();    break;

  case Interpreter::accessor               : entry_point = generate_accessor_entry(); break;

  case Interpreter::abstract               : entry_point = generate_abstract_entry(); break;

  case Interpreter::java_lang_math_sin     : // fall thru

  case Interpreter::java_lang_math_cos     : // fall thru

  case Interpreter::java_lang_math_tan     : // fall thru

  case Interpreter::java_lang_math_abs     : // fall thru

  case Interpreter::java_lang_math_log     : // fall thru

  case Interpreter::java_lang_math_log10   : // fall thru

  case Interpreter::java_lang_math_sqrt    : // fall thru

  case Interpreter::java_lang_math_pow     : // fall thru

  case Interpreter::java_lang_ref_reference_get

                                           : entry_point = generate_Reference_get_entry(); break;

  default:

    fatal("unexpected method kind: %d", kind);

    break;

  }

  if (entry_point) {

    return entry_point;

  }

  // We expect the normal and native entry points to be generated first so we can reuse them.

  if (native) {

    entry_point = Interpreter::entry_for_kind(synchronized ? Interpreter::native_synchronized : Interpreter::native);

    if (entry_point == NULL) {

      entry_point = generate_native_entry(synchronized);

    }

  } else {

    entry_point = Interpreter::entry_for_kind(synchronized ? Interpreter::zerolocals_synchronized : Interpreter::zerolocals);

    if (entry_point == NULL) {

      entry_point = generate_normal_entry(synchronized);

    }

  }

  return entry_point;

}

#endif // CC_INTERP