src/cpu/x86/vm/stubRoutines_x86_64.hpp

changeset 435
a61af66fc99e
child 739
dc7f315e41f7
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/cpu/x86/vm/stubRoutines_x86_64.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,113 @@
     1.4 +/*
     1.5 + * Copyright 2003-2005 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +// This file holds the platform specific parts of the StubRoutines
    1.29 +// definition. See stubRoutines.hpp for a description on how to
    1.30 +// extend it.
    1.31 +
    1.32 +static bool    returns_to_call_stub(address return_pc)   { return return_pc == _call_stub_return_address; }
    1.33 +
    1.34 +enum platform_dependent_constants
    1.35 +{
    1.36 +  code_size1 =  9000, // simply increase if too small (assembler will
    1.37 +                      // crash if too small)
    1.38 +  code_size2 = 22000  // simply increase if too small (assembler will
    1.39 +                      // crash if too small)
    1.40 +};
    1.41 +
    1.42 +class amd64 {
    1.43 + friend class StubGenerator;
    1.44 +
    1.45 + private:
    1.46 +  static address _get_previous_fp_entry;
    1.47 +  static address _verify_mxcsr_entry;
    1.48 +
    1.49 +  static address _f2i_fixup;
    1.50 +  static address _f2l_fixup;
    1.51 +  static address _d2i_fixup;
    1.52 +  static address _d2l_fixup;
    1.53 +
    1.54 +  static address _float_sign_mask;
    1.55 +  static address _float_sign_flip;
    1.56 +  static address _double_sign_mask;
    1.57 +  static address _double_sign_flip;
    1.58 +  static address _mxcsr_std;
    1.59 +
    1.60 + public:
    1.61 +
    1.62 +  static address get_previous_fp_entry()
    1.63 +  {
    1.64 +    return _get_previous_fp_entry;
    1.65 +  }
    1.66 +
    1.67 +  static address verify_mxcsr_entry()
    1.68 +  {
    1.69 +    return _verify_mxcsr_entry;
    1.70 +  }
    1.71 +
    1.72 +  static address f2i_fixup()
    1.73 +  {
    1.74 +    return _f2i_fixup;
    1.75 +  }
    1.76 +
    1.77 +  static address f2l_fixup()
    1.78 +  {
    1.79 +    return _f2l_fixup;
    1.80 +  }
    1.81 +
    1.82 +  static address d2i_fixup()
    1.83 +  {
    1.84 +    return _d2i_fixup;
    1.85 +  }
    1.86 +
    1.87 +  static address d2l_fixup()
    1.88 +  {
    1.89 +    return _d2l_fixup;
    1.90 +  }
    1.91 +
    1.92 +  static address float_sign_mask()
    1.93 +  {
    1.94 +    return _float_sign_mask;
    1.95 +  }
    1.96 +
    1.97 +  static address float_sign_flip()
    1.98 +  {
    1.99 +    return _float_sign_flip;
   1.100 +  }
   1.101 +
   1.102 +  static address double_sign_mask()
   1.103 +  {
   1.104 +    return _double_sign_mask;
   1.105 +  }
   1.106 +
   1.107 +  static address double_sign_flip()
   1.108 +  {
   1.109 +    return _double_sign_flip;
   1.110 +  }
   1.111 +
   1.112 +  static address mxcsr_std()
   1.113 +  {
   1.114 +    return _mxcsr_std;
   1.115 +  }
   1.116 +};

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