src/cpu/zero/vm/registerMap_zero.hpp

changeset 0
f90c822e73f8
child 6876
710a3c8b516e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/cpu/zero/vm/registerMap_zero.hpp	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,44 @@
     1.4 +/*
     1.5 + * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +#ifndef CPU_ZERO_VM_REGISTERMAP_ZERO_HPP
    1.29 +#define CPU_ZERO_VM_REGISTERMAP_ZERO_HPP
    1.30 +
    1.31 +  // machine-dependent implemention for register maps
    1.32 +  friend class frame;
    1.33 +
    1.34 + private:
    1.35 +  // This is the hook for finding a register in an "well-known" location,
    1.36 +  // such as a register block of a predetermined format.
    1.37 +  // Since there is none, we just return NULL.
    1.38 +  // See registerMap_sparc.hpp for an example of grabbing registers
    1.39 +  // from register save areas of a standard layout.
    1.40 +  address pd_location(VMReg reg) const { return NULL; }
    1.41 +
    1.42 +  // no PD state to clear or copy:
    1.43 +  void pd_clear() {}
    1.44 +  void pd_initialize() {}
    1.45 +  void pd_initialize_from(const RegisterMap* map) {}
    1.46 +
    1.47 +#endif // CPU_ZERO_VM_REGISTERMAP_ZERO_HPP

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