/*

 * Copyright (c) 1997, 2016, 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"

#include "runtime/timerTrace.hpp"

#ifdef CC_INTERP

#ifdef ZERO

# include "entry_zero.hpp"

#else

#error "Only Zero CppInterpreter is supported"

#endif

void CppInterpreter::initialize() {

  if (_code != NULL) return;

  AbstractInterpreter::initialize();

  // generate interpreter

  { ResourceMark rm;

    TraceTime timer("Interpreter generation", TRACETIME_LOG(Info, startuptime));

    int code_size = InterpreterCodeSize;

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

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

                           "Interpreter");

    CppInterpreterGenerator 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);

}

void CppInterpreter::invoke_method(Method* method, address entry_point, TRAPS) {

  ((ZeroEntry *) entry_point)->invoke(method, THREAD);

}

void CppInterpreter::invoke_osr(Method* method,

                                address   entry_point,

                                address   osr_buf,

                                TRAPS) {

  ((ZeroEntry *) entry_point)->invoke_osr(method, osr_buf, THREAD);

}

InterpreterCodelet* CppInterpreter::codelet_containing(address pc) {

  // FIXME: I'm pretty sure _code is null and this is never called, which is why it's copied.

  return (InterpreterCodelet*)_code->stub_containing(pc);

}

#endif // CC_INTERP