Mercurial > hg > truffle
diff src/cpu/x86/vm/stubRoutines_x86_64.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | dc7f315e41f7 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/x86/vm/stubRoutines_x86_64.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,113 @@ +/* + * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +// This file holds the platform specific parts of the StubRoutines +// definition. See stubRoutines.hpp for a description on how to +// extend it. + +static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; } + +enum platform_dependent_constants +{ + code_size1 = 9000, // simply increase if too small (assembler will + // crash if too small) + code_size2 = 22000 // simply increase if too small (assembler will + // crash if too small) +}; + +class amd64 { + friend class StubGenerator; + + private: + static address _get_previous_fp_entry; + static address _verify_mxcsr_entry; + + static address _f2i_fixup; + static address _f2l_fixup; + static address _d2i_fixup; + static address _d2l_fixup; + + static address _float_sign_mask; + static address _float_sign_flip; + static address _double_sign_mask; + static address _double_sign_flip; + static address _mxcsr_std; + + public: + + static address get_previous_fp_entry() + { + return _get_previous_fp_entry; + } + + static address verify_mxcsr_entry() + { + return _verify_mxcsr_entry; + } + + static address f2i_fixup() + { + return _f2i_fixup; + } + + static address f2l_fixup() + { + return _f2l_fixup; + } + + static address d2i_fixup() + { + return _d2i_fixup; + } + + static address d2l_fixup() + { + return _d2l_fixup; + } + + static address float_sign_mask() + { + return _float_sign_mask; + } + + static address float_sign_flip() + { + return _float_sign_flip; + } + + static address double_sign_mask() + { + return _double_sign_mask; + } + + static address double_sign_flip() + { + return _double_sign_flip; + } + + static address mxcsr_std() + { + return _mxcsr_std; + } +};