1 #ifdef USE_PRAGMA_IDENT_HDR
2 #pragma ident "@(#)stubRoutines_x86_64.hpp 1.13 07/05/05 17:04:08 JVM"
3 #endif
4 /*
5 * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
7 *
8 * This code is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 only, as
10 * published by the Free Software Foundation.
11 *
12 * This code is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 * version 2 for more details (a copy is included in the LICENSE file that
16 * accompanied this code).
17 *
18 * You should have received a copy of the GNU General Public License version
19 * 2 along with this work; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
21 *
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
24 * have any questions.
25 *
26 */
27
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
34 enum platform_dependent_constants
35 {
36 code_size1 = 9000, // simply increase if too small (assembler will
37 // crash if too small)
38 code_size2 = 22000 // simply increase if too small (assembler will
39 // crash if too small)
40 };
41
42 class amd64 {
43 friend class StubGenerator;
44
45 private:
46 static address _get_previous_fp_entry;
47 static address _verify_mxcsr_entry;
48
49 static address _f2i_fixup;
50 static address _f2l_fixup;
51 static address _d2i_fixup;
52 static address _d2l_fixup;
53
54 static address _float_sign_mask;
55 static address _float_sign_flip;
56 static address _double_sign_mask;
57 static address _double_sign_flip;
58 static address _mxcsr_std;
59
60 public:
61
62 static address get_previous_fp_entry()
97 static address float_sign_flip()
98 {
99 return _float_sign_flip;
100 }
101
102 static address double_sign_mask()
103 {
104 return _double_sign_mask;
105 }
106
107 static address double_sign_flip()
108 {
109 return _double_sign_flip;
110 }
111
112 static address mxcsr_std()
113 {
114 return _mxcsr_std;
115 }
116 };
117
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1 /*
2 * Copyright 2003-2008 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 = 19000, // 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 x86 {
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()
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 };
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