src/cpu/x86/vm/stubRoutines_x86_32.hpp

Wed, 17 Jun 2015 17:48:25 -0700

author
ascarpino
date
Wed, 17 Jun 2015 17:48:25 -0700
changeset 9788
44ef77ad417c
parent 5353
b800986664f4
child 6876
710a3c8b516e
permissions
-rw-r--r--

8073108: Use x86 and SPARC CPU instructions for GHASH acceleration
Reviewed-by: kvn, jrose, phh

     1 /*
     2  * Copyright (c) 1997, 2013, 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 #ifndef CPU_X86_VM_STUBROUTINES_X86_32_HPP
    26 #define CPU_X86_VM_STUBROUTINES_X86_32_HPP
    28 // This file holds the platform specific parts of the StubRoutines
    29 // definition. See stubRoutines.hpp for a description on how to
    30 // extend it.
    32 enum platform_dependent_constants {
    33   code_size1 =  9000,           // simply increase if too small (assembler will crash if too small)
    34   code_size2 = 22000            // simply increase if too small (assembler will crash if too small)
    35 };
    37 class x86 {
    38  friend class StubGenerator;
    39  friend class VMStructs;
    41  private:
    42   static address _verify_fpu_cntrl_wrd_entry;
    44  public:
    45   static address verify_fpu_cntrl_wrd_entry()                { return _verify_fpu_cntrl_wrd_entry; }
    47 # include "stubRoutines_x86.hpp"
    49 };
    51   static bool    returns_to_call_stub(address return_pc)     { return return_pc == _call_stub_return_address; }
    53 #endif // CPU_X86_VM_STUBROUTINES_X86_32_HPP

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