1 /*

     2  * Copyright (c) 2014, 2015, 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  */

    24 

    25 #include "precompiled.hpp"

    26 #include "asm/macroAssembler.hpp"

    27 #include "interpreter/interpreter.hpp"

    28 #include "interpreter/interpreterRuntime.hpp"

    29 #include "interpreter/interp_masm.hpp"

    30 #include "interpreter/templateInterpreterGenerator.hpp"

    31 

    32 #define __ _masm->

    33 

    34 // Abstract method entry

    35 // Attempt to execute abstract method. Throw exception

    36 address TemplateInterpreterGenerator::generate_abstract_entry(void) {

    37 

    38   address entry_point = __ pc();

    39 

    40   // abstract method entry

    41 

    42   //  pop return address, reset last_sp to NULL

    43   __ empty_expression_stack();

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

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

    46 

    47   // throw exception

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

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

    50   __ should_not_reach_here();

    51 

    52   return entry_point;

    53 }