Mercurial > hg > truffle
annotate src/cpu/x86/vm/stubRoutines_x86_64.hpp @ 1683:99ceb0e99c9e
Merge
author | never |
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date | Mon, 26 Jul 2010 15:58:07 -0700 |
parents | c18cbe5936b8 |
children | d257356e35f0 |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 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 | |
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31 enum platform_dependent_constants { |
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32 code_size1 = 19000, // simply increase if too small (assembler will crash if too small) |
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33 code_size2 = 22000 // simply increase if too small (assembler will crash if too small) |
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34 }; |
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35 |
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36 // MethodHandles adapters |
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37 enum method_handles_platform_dependent_constants { |
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38 method_handles_adapters_code_size = 13000 |
0 | 39 }; |
40 | |
304 | 41 class x86 { |
0 | 42 friend class StubGenerator; |
43 | |
44 private: | |
45 static address _get_previous_fp_entry; | |
46 static address _verify_mxcsr_entry; | |
47 | |
48 static address _f2i_fixup; | |
49 static address _f2l_fixup; | |
50 static address _d2i_fixup; | |
51 static address _d2l_fixup; | |
52 | |
53 static address _float_sign_mask; | |
54 static address _float_sign_flip; | |
55 static address _double_sign_mask; | |
56 static address _double_sign_flip; | |
57 static address _mxcsr_std; | |
58 | |
59 public: | |
60 | |
61 static address get_previous_fp_entry() | |
62 { | |
63 return _get_previous_fp_entry; | |
64 } | |
65 | |
66 static address verify_mxcsr_entry() | |
67 { | |
68 return _verify_mxcsr_entry; | |
69 } | |
70 | |
71 static address f2i_fixup() | |
72 { | |
73 return _f2i_fixup; | |
74 } | |
75 | |
76 static address f2l_fixup() | |
77 { | |
78 return _f2l_fixup; | |
79 } | |
80 | |
81 static address d2i_fixup() | |
82 { | |
83 return _d2i_fixup; | |
84 } | |
85 | |
86 static address d2l_fixup() | |
87 { | |
88 return _d2l_fixup; | |
89 } | |
90 | |
91 static address float_sign_mask() | |
92 { | |
93 return _float_sign_mask; | |
94 } | |
95 | |
96 static address float_sign_flip() | |
97 { | |
98 return _float_sign_flip; | |
99 } | |
100 | |
101 static address double_sign_mask() | |
102 { | |
103 return _double_sign_mask; | |
104 } | |
105 | |
106 static address double_sign_flip() | |
107 { | |
108 return _double_sign_flip; | |
109 } | |
110 | |
111 static address mxcsr_std() | |
112 { | |
113 return _mxcsr_std; | |
114 } | |
115 }; |