1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/cpu/x86/vm/stubRoutines_x86_64.hpp Wed Apr 27 01:25:04 2016 +0800 1.3 @@ -0,0 +1,112 @@ 1.4 +/* 1.5 + * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +#ifndef CPU_X86_VM_STUBROUTINES_X86_64_HPP 1.29 +#define CPU_X86_VM_STUBROUTINES_X86_64_HPP 1.30 + 1.31 +// This file holds the platform specific parts of the StubRoutines 1.32 +// definition. See stubRoutines.hpp for a description on how to 1.33 +// extend it. 1.34 + 1.35 +static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; } 1.36 + 1.37 +enum platform_dependent_constants { 1.38 + code_size1 = 19000, // simply increase if too small (assembler will crash if too small) 1.39 + code_size2 = 22000 // simply increase if too small (assembler will crash if too small) 1.40 +}; 1.41 + 1.42 +class x86 { 1.43 + friend class StubGenerator; 1.44 + 1.45 + private: 1.46 + static address _get_previous_fp_entry; 1.47 + static address _get_previous_sp_entry; 1.48 + 1.49 + static address _f2i_fixup; 1.50 + static address _f2l_fixup; 1.51 + static address _d2i_fixup; 1.52 + static address _d2l_fixup; 1.53 + 1.54 + static address _float_sign_mask; 1.55 + static address _float_sign_flip; 1.56 + static address _double_sign_mask; 1.57 + static address _double_sign_flip; 1.58 + 1.59 + public: 1.60 + 1.61 + static address get_previous_fp_entry() 1.62 + { 1.63 + return _get_previous_fp_entry; 1.64 + } 1.65 + 1.66 + static address get_previous_sp_entry() 1.67 + { 1.68 + return _get_previous_sp_entry; 1.69 + } 1.70 + 1.71 + static address f2i_fixup() 1.72 + { 1.73 + return _f2i_fixup; 1.74 + } 1.75 + 1.76 + static address f2l_fixup() 1.77 + { 1.78 + return _f2l_fixup; 1.79 + } 1.80 + 1.81 + static address d2i_fixup() 1.82 + { 1.83 + return _d2i_fixup; 1.84 + } 1.85 + 1.86 + static address d2l_fixup() 1.87 + { 1.88 + return _d2l_fixup; 1.89 + } 1.90 + 1.91 + static address float_sign_mask() 1.92 + { 1.93 + return _float_sign_mask; 1.94 + } 1.95 + 1.96 + static address float_sign_flip() 1.97 + { 1.98 + return _float_sign_flip; 1.99 + } 1.100 + 1.101 + static address double_sign_mask() 1.102 + { 1.103 + return _double_sign_mask; 1.104 + } 1.105 + 1.106 + static address double_sign_flip() 1.107 + { 1.108 + return _double_sign_flip; 1.109 + } 1.110 + 1.111 +# include "stubRoutines_x86.hpp" 1.112 + 1.113 +}; 1.114 + 1.115 +#endif // CPU_X86_VM_STUBROUTINES_X86_64_HPP