src/cpu/x86/vm/stubRoutines_x86_64.hpp

Mon, 04 Jan 2010 18:38:08 +0100

author
twisti
date
Mon, 04 Jan 2010 18:38:08 +0100
changeset 1570
e66fd840cb6b
parent 772
9ee9cf798b59
child 1734
9eba43136cb5
permissions
-rw-r--r--

6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
Summary: During the work for 6829187 we have fixed a number of basic bugs which are logically grouped with 6815692 and 6858164 but which must be reviewed and pushed separately.
Reviewed-by: kvn, never

     1 /*
     2  * Copyright 2003-2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any 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 {
    33   code_size1 =  19000, // simply increase if too small (assembler will
    34                       // crash if too small)
    35   code_size2 = 22000  // simply increase if too small (assembler will
    36                       // crash if too small)
    37 };
    39 class x86 {
    40  friend class StubGenerator;
    42  private:
    43   static address _get_previous_fp_entry;
    44   static address _verify_mxcsr_entry;
    46   static address _f2i_fixup;
    47   static address _f2l_fixup;
    48   static address _d2i_fixup;
    49   static address _d2l_fixup;
    51   static address _float_sign_mask;
    52   static address _float_sign_flip;
    53   static address _double_sign_mask;
    54   static address _double_sign_flip;
    55   static address _mxcsr_std;
    57  public:
    59   static address get_previous_fp_entry()
    60   {
    61     return _get_previous_fp_entry;
    62   }
    64   static address verify_mxcsr_entry()
    65   {
    66     return _verify_mxcsr_entry;
    67   }
    69   static address f2i_fixup()
    70   {
    71     return _f2i_fixup;
    72   }
    74   static address f2l_fixup()
    75   {
    76     return _f2l_fixup;
    77   }
    79   static address d2i_fixup()
    80   {
    81     return _d2i_fixup;
    82   }
    84   static address d2l_fixup()
    85   {
    86     return _d2l_fixup;
    87   }
    89   static address float_sign_mask()
    90   {
    91     return _float_sign_mask;
    92   }
    94   static address float_sign_flip()
    95   {
    96     return _float_sign_flip;
    97   }
    99   static address double_sign_mask()
   100   {
   101     return _double_sign_mask;
   102   }
   104   static address double_sign_flip()
   105   {
   106     return _double_sign_flip;
   107   }
   109   static address mxcsr_std()
   110   {
   111     return _mxcsr_std;
   112   }
   113 };

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