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comparison src/cpu/x86/vm/stubRoutines_x86_64.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children dc7f315e41f7
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2003-2005 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 */
24
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.
28
29 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
30
31 enum platform_dependent_constants
32 {
33 code_size1 = 9000, // 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 };
38
39 class amd64 {
40 friend class StubGenerator;
41
42 private:
43 static address _get_previous_fp_entry;
44 static address _verify_mxcsr_entry;
45
46 static address _f2i_fixup;
47 static address _f2l_fixup;
48 static address _d2i_fixup;
49 static address _d2l_fixup;
50
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;
56
57 public:
58
59 static address get_previous_fp_entry()
60 {
61 return _get_previous_fp_entry;
62 }
63
64 static address verify_mxcsr_entry()
65 {
66 return _verify_mxcsr_entry;
67 }
68
69 static address f2i_fixup()
70 {
71 return _f2i_fixup;
72 }
73
74 static address f2l_fixup()
75 {
76 return _f2l_fixup;
77 }
78
79 static address d2i_fixup()
80 {
81 return _d2i_fixup;
82 }
83
84 static address d2l_fixup()
85 {
86 return _d2l_fixup;
87 }
88
89 static address float_sign_mask()
90 {
91 return _float_sign_mask;
92 }
93
94 static address float_sign_flip()
95 {
96 return _float_sign_flip;
97 }
98
99 static address double_sign_mask()
100 {
101 return _double_sign_mask;
102 }
103
104 static address double_sign_flip()
105 {
106 return _double_sign_flip;
107 }
108
109 static address mxcsr_std()
110 {
111 return _mxcsr_std;
112 }
113 };