1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/cpu/x86/vm/stubRoutines_x86_64.hpp Sat Dec 01 00:00:00 2007 +0000 1.3 @@ -0,0 +1,113 @@ 1.4 +/* 1.5 + * Copyright 2003-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or 1.24 + * have any questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +// This file holds the platform specific parts of the StubRoutines 1.29 +// definition. See stubRoutines.hpp for a description on how to 1.30 +// extend it. 1.31 + 1.32 +static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; } 1.33 + 1.34 +enum platform_dependent_constants 1.35 +{ 1.36 + code_size1 = 9000, // simply increase if too small (assembler will 1.37 + // crash if too small) 1.38 + code_size2 = 22000 // simply increase if too small (assembler will 1.39 + // crash if too small) 1.40 +}; 1.41 + 1.42 +class amd64 { 1.43 + friend class StubGenerator; 1.44 + 1.45 + private: 1.46 + static address _get_previous_fp_entry; 1.47 + static address _verify_mxcsr_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 + static address _mxcsr_std; 1.59 + 1.60 + public: 1.61 + 1.62 + static address get_previous_fp_entry() 1.63 + { 1.64 + return _get_previous_fp_entry; 1.65 + } 1.66 + 1.67 + static address verify_mxcsr_entry() 1.68 + { 1.69 + return _verify_mxcsr_entry; 1.70 + } 1.71 + 1.72 + static address f2i_fixup() 1.73 + { 1.74 + return _f2i_fixup; 1.75 + } 1.76 + 1.77 + static address f2l_fixup() 1.78 + { 1.79 + return _f2l_fixup; 1.80 + } 1.81 + 1.82 + static address d2i_fixup() 1.83 + { 1.84 + return _d2i_fixup; 1.85 + } 1.86 + 1.87 + static address d2l_fixup() 1.88 + { 1.89 + return _d2l_fixup; 1.90 + } 1.91 + 1.92 + static address float_sign_mask() 1.93 + { 1.94 + return _float_sign_mask; 1.95 + } 1.96 + 1.97 + static address float_sign_flip() 1.98 + { 1.99 + return _float_sign_flip; 1.100 + } 1.101 + 1.102 + static address double_sign_mask() 1.103 + { 1.104 + return _double_sign_mask; 1.105 + } 1.106 + 1.107 + static address double_sign_flip() 1.108 + { 1.109 + return _double_sign_flip; 1.110 + } 1.111 + 1.112 + static address mxcsr_std() 1.113 + { 1.114 + return _mxcsr_std; 1.115 + } 1.116 +};