gdb/dcache.h

   1 /* Declarations for caching.  Typically used by remote back ends for
   2    caching remote memory.
   3
   4    Copyright (C) 1992-2020 Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef DCACHE_H
  22 #define DCACHE_H
  23
  24 #include "target.h"     /* for enum target_xfer_status */
  25
  26 typedef struct dcache_struct DCACHE;
  27
  28 /* Invalidate DCACHE.  */
  29 void dcache_invalidate (DCACHE *dcache);
  30
  31 /* Initialize DCACHE.  */
  32 DCACHE *dcache_init (void);
  33
  34 /* Free a DCACHE.  */
  35 void dcache_free (DCACHE *);
  36
  37 /* A deletion adapter that calls dcache_free.  */
  38 struct dcache_deleter
  39 {
  40   void operator() (DCACHE *d) const
  41   {
  42     dcache_free (d);
  43   }
  44 };
  45
  46 enum target_xfer_status
  47   dcache_read_memory_partial (struct target_ops *ops, DCACHE *dcache,
  48                               CORE_ADDR memaddr, gdb_byte *myaddr,
  49                               ULONGEST len, ULONGEST *xfered_len);
  50
  51 void dcache_update (DCACHE *dcache, enum target_xfer_status status,
  52                     CORE_ADDR memaddr, const gdb_byte *myaddr,
  53                     ULONGEST len);
  54
  55 #endif /* DCACHE_H */