Path: blob/master/src/hotspot/cpu/zero/registerMap_zero.hpp
51315 views
/*1* Copyright (c) 1998, 2021, Oracle and/or its affiliates. All rights reserved.2* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.3*4* This code is free software; you can redistribute it and/or modify it5* under the terms of the GNU General Public License version 2 only, as6* published by the Free Software Foundation.7*8* This code is distributed in the hope that it will be useful, but WITHOUT9* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or10* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License11* version 2 for more details (a copy is included in the LICENSE file that12* accompanied this code).13*14* You should have received a copy of the GNU General Public License version15* 2 along with this work; if not, write to the Free Software Foundation,16* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.17*18* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA19* or visit www.oracle.com if you need additional information or have any20* questions.21*22*/2324#ifndef CPU_ZERO_REGISTERMAP_ZERO_HPP25#define CPU_ZERO_REGISTERMAP_ZERO_HPP2627// machine-dependent implemention for register maps28friend class frame;2930private:31// This is the hook for finding a register in an "well-known" location,32// such as a register block of a predetermined format.33// Since there is none, we just return NULL.34address pd_location(VMReg reg) const { return NULL; }3536address pd_location(VMReg base_reg, int slot_idx) const {37return location(base_reg->next(slot_idx));38}3940// no PD state to clear or copy:41void pd_clear() {}42void pd_initialize() {}43void pd_initialize_from(const RegisterMap* map) {}4445#endif // CPU_ZERO_REGISTERMAP_ZERO_HPP464748