1 /*
 2  * Copyright (c) 1998, 2020, Oracle and/or its affiliates. All rights reserved.
 3  * Copyright (c) 2020, 2021, Huawei Technologies Co., Ltd. All rights reserved.
 4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 5  *
 6  * This code is free software; you can redistribute it and/or modify it
 7  * under the terms of the GNU General Public License version 2 only, as
 8  * published by the Free Software Foundation.
 9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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25 
26 #ifndef CPU_RISCV_REGISTERMAP_RISCV_HPP
27 #define CPU_RISCV_REGISTERMAP_RISCV_HPP
28 
29 // machine-dependent implemention for register maps
30   friend class frame;
31 
32  private:
33   // This is the hook for finding a register in an "well-known" location,
34   // such as a register block of a predetermined format.
35   address pd_location(VMReg reg) const { return NULL; }
36   address pd_location(VMReg base_reg, int slot_idx) const;
37 
38   // no PD state to clear or copy:
39   void pd_clear() {}
40   void pd_initialize() {}
41   void pd_initialize_from(const RegisterMap* map) {}
42 
43 #endif // CPU_RISCV_REGISTERMAP_RISCV_HPP