Wed, 27 Apr 2016 01:25:04 +0800
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #ifndef CPU_X86_VM_STUBROUTINES_X86_64_HPP |
aoqi@0 | 26 | #define CPU_X86_VM_STUBROUTINES_X86_64_HPP |
aoqi@0 | 27 | |
aoqi@0 | 28 | // This file holds the platform specific parts of the StubRoutines |
aoqi@0 | 29 | // definition. See stubRoutines.hpp for a description on how to |
aoqi@0 | 30 | // extend it. |
aoqi@0 | 31 | |
aoqi@0 | 32 | static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; } |
aoqi@0 | 33 | |
aoqi@0 | 34 | enum platform_dependent_constants { |
aoqi@0 | 35 | code_size1 = 19000, // simply increase if too small (assembler will crash if too small) |
aoqi@0 | 36 | code_size2 = 22000 // simply increase if too small (assembler will crash if too small) |
aoqi@0 | 37 | }; |
aoqi@0 | 38 | |
aoqi@0 | 39 | class x86 { |
aoqi@0 | 40 | friend class StubGenerator; |
aoqi@0 | 41 | |
aoqi@0 | 42 | private: |
aoqi@0 | 43 | static address _get_previous_fp_entry; |
aoqi@0 | 44 | static address _get_previous_sp_entry; |
aoqi@0 | 45 | |
aoqi@0 | 46 | static address _f2i_fixup; |
aoqi@0 | 47 | static address _f2l_fixup; |
aoqi@0 | 48 | static address _d2i_fixup; |
aoqi@0 | 49 | static address _d2l_fixup; |
aoqi@0 | 50 | |
aoqi@0 | 51 | static address _float_sign_mask; |
aoqi@0 | 52 | static address _float_sign_flip; |
aoqi@0 | 53 | static address _double_sign_mask; |
aoqi@0 | 54 | static address _double_sign_flip; |
aoqi@0 | 55 | |
aoqi@0 | 56 | public: |
aoqi@0 | 57 | |
aoqi@0 | 58 | static address get_previous_fp_entry() |
aoqi@0 | 59 | { |
aoqi@0 | 60 | return _get_previous_fp_entry; |
aoqi@0 | 61 | } |
aoqi@0 | 62 | |
aoqi@0 | 63 | static address get_previous_sp_entry() |
aoqi@0 | 64 | { |
aoqi@0 | 65 | return _get_previous_sp_entry; |
aoqi@0 | 66 | } |
aoqi@0 | 67 | |
aoqi@0 | 68 | static address f2i_fixup() |
aoqi@0 | 69 | { |
aoqi@0 | 70 | return _f2i_fixup; |
aoqi@0 | 71 | } |
aoqi@0 | 72 | |
aoqi@0 | 73 | static address f2l_fixup() |
aoqi@0 | 74 | { |
aoqi@0 | 75 | return _f2l_fixup; |
aoqi@0 | 76 | } |
aoqi@0 | 77 | |
aoqi@0 | 78 | static address d2i_fixup() |
aoqi@0 | 79 | { |
aoqi@0 | 80 | return _d2i_fixup; |
aoqi@0 | 81 | } |
aoqi@0 | 82 | |
aoqi@0 | 83 | static address d2l_fixup() |
aoqi@0 | 84 | { |
aoqi@0 | 85 | return _d2l_fixup; |
aoqi@0 | 86 | } |
aoqi@0 | 87 | |
aoqi@0 | 88 | static address float_sign_mask() |
aoqi@0 | 89 | { |
aoqi@0 | 90 | return _float_sign_mask; |
aoqi@0 | 91 | } |
aoqi@0 | 92 | |
aoqi@0 | 93 | static address float_sign_flip() |
aoqi@0 | 94 | { |
aoqi@0 | 95 | return _float_sign_flip; |
aoqi@0 | 96 | } |
aoqi@0 | 97 | |
aoqi@0 | 98 | static address double_sign_mask() |
aoqi@0 | 99 | { |
aoqi@0 | 100 | return _double_sign_mask; |
aoqi@0 | 101 | } |
aoqi@0 | 102 | |
aoqi@0 | 103 | static address double_sign_flip() |
aoqi@0 | 104 | { |
aoqi@0 | 105 | return _double_sign_flip; |
aoqi@0 | 106 | } |
aoqi@0 | 107 | |
aoqi@0 | 108 | # include "stubRoutines_x86.hpp" |
aoqi@0 | 109 | |
aoqi@0 | 110 | }; |
aoqi@0 | 111 | |
aoqi@0 | 112 | #endif // CPU_X86_VM_STUBROUTINES_X86_64_HPP |