Mercurial > hg > graal-compiler
annotate src/cpu/x86/vm/stubRoutines_x86_64.hpp @ 1846:d55217dc206f
6829194: JSR 292 needs to support compressed oops
Reviewed-by: kvn, jrose
| author | twisti |
|---|---|
| date | Mon, 11 Oct 2010 04:18:58 -0700 |
| parents | d257356e35f0 |
| children | f95d63e2154a |
| rev | line source |
|---|---|
| 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 { |
| 1846 | 38 method_handles_adapters_code_size = 40000 |
| 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 }; |