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 }