never@1445: /*
stefank@2314:  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
never@1445:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
never@1445:  *
never@1445:  * This code is free software; you can redistribute it and/or modify it
never@1445:  * under the terms of the GNU General Public License version 2 only, as
never@1445:  * published by the Free Software Foundation.
never@1445:  *
never@1445:  * This code is distributed in the hope that it will be useful, but WITHOUT
never@1445:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
never@1445:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
never@1445:  * version 2 for more details (a copy is included in the LICENSE file that
never@1445:  * accompanied this code).
never@1445:  *
never@1445:  * You should have received a copy of the GNU General Public License version
never@1445:  * 2 along with this work; if not, write to the Free Software Foundation,
never@1445:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
never@1445:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
never@1445:  *
never@1445:  */
never@1445: 
stefank@2314: #ifndef CPU_ZERO_VM_REGISTERMAP_ZERO_HPP
stefank@2314: #define CPU_ZERO_VM_REGISTERMAP_ZERO_HPP
stefank@2314: 
never@1445:   // machine-dependent implemention for register maps
never@1445:   friend class frame;
never@1445: 
never@1445:  private:
never@1445:   // This is the hook for finding a register in an "well-known" location,
never@1445:   // such as a register block of a predetermined format.
never@1445:   // Since there is none, we just return NULL.
never@1445:   // See registerMap_sparc.hpp for an example of grabbing registers
never@1445:   // from register save areas of a standard layout.
never@1445:   address pd_location(VMReg reg) const { return NULL; }
never@1445: 
never@1445:   // no PD state to clear or copy:
never@1445:   void pd_clear() {}
never@1445:   void pd_initialize() {}
never@1445:   void pd_initialize_from(const RegisterMap* map) {}
stefank@2314: 
stefank@2314: #endif // CPU_ZERO_VM_REGISTERMAP_ZERO_HPP