Mercurial > hg > truffle
annotate src/cpu/x86/vm/stubRoutines_x86_64.hpp @ 6639:892ec0920ccd
Merge
author | vladidan |
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date | Wed, 08 Aug 2012 16:09:11 -0400 |
parents | da4be62fb889 |
children | b9a9ed0f8eeb |
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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; | |
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44 static address _get_previous_sp_entry; |
0 | 45 static address _verify_mxcsr_entry; |
46 | |
47 static address _f2i_fixup; | |
48 static address _f2l_fixup; | |
49 static address _d2i_fixup; | |
50 static address _d2l_fixup; | |
51 | |
52 static address _float_sign_mask; | |
53 static address _float_sign_flip; | |
54 static address _double_sign_mask; | |
55 static address _double_sign_flip; | |
56 static address _mxcsr_std; | |
57 | |
58 public: | |
59 | |
60 static address get_previous_fp_entry() | |
61 { | |
62 return _get_previous_fp_entry; | |
63 } | |
64 | |
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65 static address get_previous_sp_entry() |
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66 { |
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67 return _get_previous_sp_entry; |
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68 } |
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69 |
0 | 70 static address verify_mxcsr_entry() |
71 { | |
72 return _verify_mxcsr_entry; | |
73 } | |
74 | |
75 static address f2i_fixup() | |
76 { | |
77 return _f2i_fixup; | |
78 } | |
79 | |
80 static address f2l_fixup() | |
81 { | |
82 return _f2l_fixup; | |
83 } | |
84 | |
85 static address d2i_fixup() | |
86 { | |
87 return _d2i_fixup; | |
88 } | |
89 | |
90 static address d2l_fixup() | |
91 { | |
92 return _d2l_fixup; | |
93 } | |
94 | |
95 static address float_sign_mask() | |
96 { | |
97 return _float_sign_mask; | |
98 } | |
99 | |
100 static address float_sign_flip() | |
101 { | |
102 return _float_sign_flip; | |
103 } | |
104 | |
105 static address double_sign_mask() | |
106 { | |
107 return _double_sign_mask; | |
108 } | |
109 | |
110 static address double_sign_flip() | |
111 { | |
112 return _double_sign_flip; | |
113 } | |
114 | |
115 static address mxcsr_std() | |
116 { | |
117 return _mxcsr_std; | |
118 } | |
119 }; | |
1972 | 120 |
121 #endif // CPU_X86_VM_STUBROUTINES_X86_64_HPP |