aoqi@0: /*
aoqi@0:  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef CPU_X86_VM_STUBROUTINES_X86_64_HPP
aoqi@0: #define CPU_X86_VM_STUBROUTINES_X86_64_HPP
aoqi@0: 
aoqi@0: // This file holds the platform specific parts of the StubRoutines
aoqi@0: // definition. See stubRoutines.hpp for a description on how to
aoqi@0: // extend it.
aoqi@0: 
aoqi@0: static bool    returns_to_call_stub(address return_pc)   { return return_pc == _call_stub_return_address; }
aoqi@0: 
aoqi@0: enum platform_dependent_constants {
aoqi@0:   code_size1 = 19000,          // simply increase if too small (assembler will crash if too small)
aoqi@0:   code_size2 = 22000           // simply increase if too small (assembler will crash if too small)
aoqi@0: };
aoqi@0: 
aoqi@0: class x86 {
aoqi@0:  friend class StubGenerator;
aoqi@0: 
aoqi@0:  private:
aoqi@0:   static address _get_previous_fp_entry;
aoqi@0:   static address _get_previous_sp_entry;
aoqi@0: 
aoqi@0:   static address _f2i_fixup;
aoqi@0:   static address _f2l_fixup;
aoqi@0:   static address _d2i_fixup;
aoqi@0:   static address _d2l_fixup;
aoqi@0: 
aoqi@0:   static address _float_sign_mask;
aoqi@0:   static address _float_sign_flip;
aoqi@0:   static address _double_sign_mask;
aoqi@0:   static address _double_sign_flip;
aoqi@0: 
aoqi@0:  public:
aoqi@0: 
aoqi@0:   static address get_previous_fp_entry()
aoqi@0:   {
aoqi@0:     return _get_previous_fp_entry;
aoqi@0:   }
aoqi@0: 
aoqi@0:   static address get_previous_sp_entry()
aoqi@0:   {
aoqi@0:     return _get_previous_sp_entry;
aoqi@0:   }
aoqi@0: 
aoqi@0:   static address f2i_fixup()
aoqi@0:   {
aoqi@0:     return _f2i_fixup;
aoqi@0:   }
aoqi@0: 
aoqi@0:   static address f2l_fixup()
aoqi@0:   {
aoqi@0:     return _f2l_fixup;
aoqi@0:   }
aoqi@0: 
aoqi@0:   static address d2i_fixup()
aoqi@0:   {
aoqi@0:     return _d2i_fixup;
aoqi@0:   }
aoqi@0: 
aoqi@0:   static address d2l_fixup()
aoqi@0:   {
aoqi@0:     return _d2l_fixup;
aoqi@0:   }
aoqi@0: 
aoqi@0:   static address float_sign_mask()
aoqi@0:   {
aoqi@0:     return _float_sign_mask;
aoqi@0:   }
aoqi@0: 
aoqi@0:   static address float_sign_flip()
aoqi@0:   {
aoqi@0:     return _float_sign_flip;
aoqi@0:   }
aoqi@0: 
aoqi@0:   static address double_sign_mask()
aoqi@0:   {
aoqi@0:     return _double_sign_mask;
aoqi@0:   }
aoqi@0: 
aoqi@0:   static address double_sign_flip()
aoqi@0:   {
aoqi@0:     return _double_sign_flip;
aoqi@0:   }
aoqi@0: 
aoqi@0: # include "stubRoutines_x86.hpp"
aoqi@0: 
aoqi@0: };
aoqi@0: 
aoqi@0: #endif // CPU_X86_VM_STUBROUTINES_X86_64_HPP