1 /*
   2  * Copyright (c) 1998, 2019, 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
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  22  *
  23  */
  24 
  25 #ifndef CPU_X86_REGISTERMAP_X86_HPP
  26 #define CPU_X86_REGISTERMAP_X86_HPP
  27 
  28 // machine-dependent implemention for register maps
  29   friend class frame;
  30 
  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   address pd_location(VMReg reg) const;
  35   // no PD state to clear or copy:
  36   void pd_clear() {}
  37   void pd_initialize() {}
  38   void pd_initialize_from(const RegisterMap* map) {}
  39  public:
  40   static int link_offset();
  41 
  42 
  43 #endif // CPU_X86_REGISTERMAP_X86_HPP