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1 /*
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2 * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 // This file holds the platform specific parts of the StubRoutines
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26 // definition. See stubRoutines.hpp for a description on how to
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27 // extend it.
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28
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29 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
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30
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31 enum platform_dependent_constants
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32 {
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33 code_size1 = 9000, // simply increase if too small (assembler will
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34 // crash if too small)
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35 code_size2 = 22000 // simply increase if too small (assembler will
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36 // crash if too small)
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37 };
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38
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39 class amd64 {
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40 friend class StubGenerator;
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41
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42 private:
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43 static address _get_previous_fp_entry;
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44 static address _verify_mxcsr_entry;
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45
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46 static address _f2i_fixup;
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47 static address _f2l_fixup;
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48 static address _d2i_fixup;
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49 static address _d2l_fixup;
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50
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51 static address _float_sign_mask;
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52 static address _float_sign_flip;
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53 static address _double_sign_mask;
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54 static address _double_sign_flip;
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55 static address _mxcsr_std;
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56
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57 public:
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58
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59 static address get_previous_fp_entry()
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60 {
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61 return _get_previous_fp_entry;
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62 }
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63
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64 static address verify_mxcsr_entry()
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65 {
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66 return _verify_mxcsr_entry;
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67 }
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68
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69 static address f2i_fixup()
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70 {
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71 return _f2i_fixup;
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72 }
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73
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74 static address f2l_fixup()
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75 {
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76 return _f2l_fixup;
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77 }
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78
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79 static address d2i_fixup()
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80 {
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81 return _d2i_fixup;
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82 }
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83
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84 static address d2l_fixup()
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85 {
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86 return _d2l_fixup;
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87 }
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88
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89 static address float_sign_mask()
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90 {
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91 return _float_sign_mask;
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92 }
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93
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94 static address float_sign_flip()
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95 {
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96 return _float_sign_flip;
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97 }
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98
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99 static address double_sign_mask()
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100 {
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101 return _double_sign_mask;
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102 }
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103
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104 static address double_sign_flip()
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105 {
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106 return _double_sign_flip;
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107 }
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108
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109 static address mxcsr_std()
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110 {
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111 return _mxcsr_std;
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112 }
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113 };
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