/*

 * Copyright (c) 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 "asm/macroAssembler.hpp"

#include "interpreter/interpreter.hpp"

#include "interpreter/interpreterGenerator.hpp"

#include "interpreter/interpreterRuntime.hpp"

#include "interpreter/interp_masm.hpp"

#define __ _masm->

// Jump into normal path for accessor and empty entry to jump to normal entry

// The "fast" optimization don't update compilation count therefore can disable inlining

// for these functions that should be inlined.

address InterpreterGenerator::generate_jump_to_normal_entry(void) {

  address entry_point = __ pc();

  assert(Interpreter::entry_for_kind(Interpreter::zerolocals) != NULL, "should already be generated");

  __ jump(RuntimeAddress(Interpreter::entry_for_kind(Interpreter::zerolocals)));

  return entry_point;

}

// Abstract method entry

// Attempt to execute abstract method. Throw exception

address InterpreterGenerator::generate_abstract_entry(void) {

  address entry_point = __ pc();

  // abstract method entry

#ifndef CC_INTERP

  //  pop return address, reset last_sp to NULL

  __ empty_expression_stack();

  __ restore_bcp();      // rsi must be correct for exception handler   (was destroyed)

  __ restore_locals();   // make sure locals pointer is correct as well (was destroyed)

#endif

  // throw exception

  __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError));

  // the call_VM checks for exception, so we should never return here.

  __ should_not_reach_here();

  return entry_point;

}