src/cpu/x86/vm/stubRoutines_x86_64.hpp

Thu, 07 Oct 2010 08:06:06 -0700

author
coleenp
date
Thu, 07 Oct 2010 08:06:06 -0700
changeset 2222
b6aedd1acdc0
parent 2148
d257356e35f0
child 2201
d55217dc206f
permissions
-rw-r--r--

6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
Summary: min_stack_allowed is a compile time constant and Stack*Pages are settable
Reviewed-by: dholmes, kvn

duke@435 1 /*
trims@1907 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 // This file holds the platform specific parts of the StubRoutines
duke@435 26 // definition. See stubRoutines.hpp for a description on how to
duke@435 27 // extend it.
duke@435 28
duke@435 29 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
duke@435 30
twisti@1734 31 enum platform_dependent_constants {
twisti@1734 32 code_size1 = 19000, // simply increase if too small (assembler will crash if too small)
twisti@1734 33 code_size2 = 22000 // simply increase if too small (assembler will crash if too small)
twisti@1734 34 };
twisti@1734 35
twisti@1734 36 // MethodHandles adapters
twisti@1734 37 enum method_handles_platform_dependent_constants {
jrose@2148 38 method_handles_adapters_code_size = 26000
duke@435 39 };
duke@435 40
never@739 41 class x86 {
duke@435 42 friend class StubGenerator;
duke@435 43
duke@435 44 private:
duke@435 45 static address _get_previous_fp_entry;
duke@435 46 static address _verify_mxcsr_entry;
duke@435 47
duke@435 48 static address _f2i_fixup;
duke@435 49 static address _f2l_fixup;
duke@435 50 static address _d2i_fixup;
duke@435 51 static address _d2l_fixup;
duke@435 52
duke@435 53 static address _float_sign_mask;
duke@435 54 static address _float_sign_flip;
duke@435 55 static address _double_sign_mask;
duke@435 56 static address _double_sign_flip;
duke@435 57 static address _mxcsr_std;
duke@435 58
duke@435 59 public:
duke@435 60
duke@435 61 static address get_previous_fp_entry()
duke@435 62 {
duke@435 63 return _get_previous_fp_entry;
duke@435 64 }
duke@435 65
duke@435 66 static address verify_mxcsr_entry()
duke@435 67 {
duke@435 68 return _verify_mxcsr_entry;
duke@435 69 }
duke@435 70
duke@435 71 static address f2i_fixup()
duke@435 72 {
duke@435 73 return _f2i_fixup;
duke@435 74 }
duke@435 75
duke@435 76 static address f2l_fixup()
duke@435 77 {
duke@435 78 return _f2l_fixup;
duke@435 79 }
duke@435 80
duke@435 81 static address d2i_fixup()
duke@435 82 {
duke@435 83 return _d2i_fixup;
duke@435 84 }
duke@435 85
duke@435 86 static address d2l_fixup()
duke@435 87 {
duke@435 88 return _d2l_fixup;
duke@435 89 }
duke@435 90
duke@435 91 static address float_sign_mask()
duke@435 92 {
duke@435 93 return _float_sign_mask;
duke@435 94 }
duke@435 95
duke@435 96 static address float_sign_flip()
duke@435 97 {
duke@435 98 return _float_sign_flip;
duke@435 99 }
duke@435 100
duke@435 101 static address double_sign_mask()
duke@435 102 {
duke@435 103 return _double_sign_mask;
duke@435 104 }
duke@435 105
duke@435 106 static address double_sign_flip()
duke@435 107 {
duke@435 108 return _double_sign_flip;
duke@435 109 }
duke@435 110
duke@435 111 static address mxcsr_std()
duke@435 112 {
duke@435 113 return _mxcsr_std;
duke@435 114 }
duke@435 115 };

mercurial