Mercurial > hg > truffle
annotate src/cpu/x86/vm/stubRoutines_x86_64.hpp @ 4656:c1160de36474
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Mon, 20 Feb 2012 18:01:22 +0100 |
parents | f7d55ea6ee56 |
children | da4be62fb889 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2011, 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 | |
1972 | 25 #ifndef CPU_X86_VM_STUBROUTINES_X86_64_HPP |
26 #define CPU_X86_VM_STUBROUTINES_X86_64_HPP | |
27 | |
0 | 28 // This file holds the platform specific parts of the StubRoutines |
29 // definition. See stubRoutines.hpp for a description on how to | |
30 // extend it. | |
31 | |
32 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; } | |
33 | |
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34 enum platform_dependent_constants { |
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35 code_size1 = 19000, // simply increase if too small (assembler will crash if too small) |
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36 code_size2 = 22000 // simply increase if too small (assembler will crash if too small) |
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37 }; |
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38 |
304 | 39 class x86 { |
0 | 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 }; | |
1972 | 114 |
115 #endif // CPU_X86_VM_STUBROUTINES_X86_64_HPP |