d67924dc8e
Simplify save/restore frame on x86 systems which support EVEX. Reviewed-by: kvn, iveresov
113 lines
2.8 KiB
C++
113 lines
2.8 KiB
C++
/*
|
|
* Copyright (c) 2003, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*
|
|
*/
|
|
|
|
#ifndef CPU_X86_VM_STUBROUTINES_X86_64_HPP
|
|
#define CPU_X86_VM_STUBROUTINES_X86_64_HPP
|
|
|
|
// 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 = 19000, // simply increase if too small (assembler will crash if too small)
|
|
code_size2 = 32000 // simply increase if too small (assembler will crash if too small)
|
|
};
|
|
|
|
class x86 {
|
|
friend class StubGenerator;
|
|
|
|
private:
|
|
static address _get_previous_fp_entry;
|
|
static address _get_previous_sp_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;
|
|
|
|
public:
|
|
|
|
static address get_previous_fp_entry()
|
|
{
|
|
return _get_previous_fp_entry;
|
|
}
|
|
|
|
static address get_previous_sp_entry()
|
|
{
|
|
return _get_previous_sp_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;
|
|
}
|
|
|
|
# include "stubRoutines_x86.hpp"
|
|
|
|
};
|
|
|
|
#endif // CPU_X86_VM_STUBROUTINES_X86_64_HPP
|