src/cpu/zero/vm/registerMap_zero.hpp

Wed, 27 Apr 2016 01:25:04 +0800

author
aoqi
date
Wed, 27 Apr 2016 01:25:04 +0800
changeset 0
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child 6876
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aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
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aoqi@0 23 */
aoqi@0 24
aoqi@0 25 #ifndef CPU_ZERO_VM_REGISTERMAP_ZERO_HPP
aoqi@0 26 #define CPU_ZERO_VM_REGISTERMAP_ZERO_HPP
aoqi@0 27
aoqi@0 28 // machine-dependent implemention for register maps
aoqi@0 29 friend class frame;
aoqi@0 30
aoqi@0 31 private:
aoqi@0 32 // This is the hook for finding a register in an "well-known" location,
aoqi@0 33 // such as a register block of a predetermined format.
aoqi@0 34 // Since there is none, we just return NULL.
aoqi@0 35 // See registerMap_sparc.hpp for an example of grabbing registers
aoqi@0 36 // from register save areas of a standard layout.
aoqi@0 37 address pd_location(VMReg reg) const { return NULL; }
aoqi@0 38
aoqi@0 39 // no PD state to clear or copy:
aoqi@0 40 void pd_clear() {}
aoqi@0 41 void pd_initialize() {}
aoqi@0 42 void pd_initialize_from(const RegisterMap* map) {}
aoqi@0 43
aoqi@0 44 #endif // CPU_ZERO_VM_REGISTERMAP_ZERO_HPP

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