Tue, 08 Aug 2017 15:57:29 +0800
merge
1 /*
2 * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #ifndef CPU_ZERO_VM_REGISTERMAP_ZERO_HPP
26 #define CPU_ZERO_VM_REGISTERMAP_ZERO_HPP
28 // machine-dependent implemention for register maps
29 friend class frame;
31 private:
32 // This is the hook for finding a register in an "well-known" location,
33 // such as a register block of a predetermined format.
34 // Since there is none, we just return NULL.
35 // See registerMap_sparc.hpp for an example of grabbing registers
36 // from register save areas of a standard layout.
37 address pd_location(VMReg reg) const { return NULL; }
39 // no PD state to clear or copy:
40 void pd_clear() {}
41 void pd_initialize() {}
42 void pd_initialize_from(const RegisterMap* map) {}
44 #endif // CPU_ZERO_VM_REGISTERMAP_ZERO_HPP