src/cpu/x86/vm/stubRoutines_x86_64.hpp

Wed, 27 Apr 2016 01:25:04 +0800

author
aoqi
date
Wed, 27 Apr 2016 01:25:04 +0800
changeset 0
f90c822e73f8
child 6876
710a3c8b516e
permissions
-rw-r--r--

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

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