jdk8-mips64-public/hotspot: src/cpu/x86/vm/stubRoutines_x86

     1 /*

     2  * Copyright (c) 2003, 2010, 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  */

    25 // This file holds the platform specific parts of the StubRoutines

    26 // definition. See stubRoutines.hpp for a description on how to

    27 // extend it.

    29 static bool    returns_to_call_stub(address return_pc)   { return return_pc == _call_stub_return_address; }

    31 enum platform_dependent_constants {

    32   code_size1 = 19000,          // simply increase if too small (assembler will crash if too small)

    33   code_size2 = 22000           // simply increase if too small (assembler will crash if too small)

    34 };

    36 // MethodHandles adapters

    37 enum method_handles_platform_dependent_constants {

    38   method_handles_adapters_code_size = 13000

    39 };

    41 class x86 {

    42  friend class StubGenerator;

    44  private:

    45   static address _get_previous_fp_entry;

    46   static address _verify_mxcsr_entry;

    48   static address _f2i_fixup;

    49   static address _f2l_fixup;

    50   static address _d2i_fixup;

    51   static address _d2l_fixup;

    53   static address _float_sign_mask;

    54   static address _float_sign_flip;

    55   static address _double_sign_mask;

    56   static address _double_sign_flip;

    57   static address _mxcsr_std;

    59  public:

    61   static address get_previous_fp_entry()

    62   {

    63     return _get_previous_fp_entry;

    64   }

    66   static address verify_mxcsr_entry()

    67   {

    68     return _verify_mxcsr_entry;

    69   }

    71   static address f2i_fixup()

    72   {

    73     return _f2i_fixup;

    74   }

    76   static address f2l_fixup()

    77   {

    78     return _f2l_fixup;

    79   }

    81   static address d2i_fixup()

    82   {

    83     return _d2i_fixup;

    84   }

    86   static address d2l_fixup()

    87   {

    88     return _d2l_fixup;

    89   }

    91   static address float_sign_mask()

    92   {

    93     return _float_sign_mask;

    94   }

    96   static address float_sign_flip()

    97   {

    98     return _float_sign_flip;

    99   }

   101   static address double_sign_mask()

   102   {

   103     return _double_sign_mask;

   104   }

   106   static address double_sign_flip()

   107   {

   108     return _double_sign_flip;

   109   }

   111   static address mxcsr_std()

   112   {

   113     return _mxcsr_std;

   114   }

   115 };

src/cpu/x86/vm/stubRoutines_x86_64.hpp@e9ff18c4ace7