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/*
* Copyright (c) 2013, Red Hat Inc.
* Copyright (c) 2003, 2011, 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_AARCH64_VM_STUBROUTINES_AARCH64_HPP
#define CPU_AARCH64_VM_STUBROUTINES_AARCH64_HPP
// This file holds the platform specific parts of the StubRoutines
// definition. See stubRoutines.hpp for a description on how to
// extend it.
// n.b. if we are notifying entry/exit to the simulator then the call
// stub does a notify at normal return placing
// call_stub_return_address one instruction beyond the notify. the
// latter address is sued by the stack unwind code when doign an
// exception return.
static bool returns_to_call_stub(address return_pc) {
return return_pc == _call_stub_return_address + (NotifySimulator ? -4 : 0);
}
enum platform_dependent_constants {
code_size1 = 19000, // 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 aarch64 {
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;
}
private:
static juint _crc_table[];
};
#endif // CPU_AARCH64_VM_STUBROUTINES_AARCH64_HPP
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