gdb/dcache.h

   1 /* Declarations for caching.  Typically used by remote back ends for
   2    caching remote memory.
   3
   4    Copyright 1992, 1993 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 2 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, write to the Free Software
  20    Foundation, Inc., 59 Temple Place - Suite 330,
  21    Boston, MA 02111-1307, USA.  */
  22
  23 #ifndef DCACHE_H
  24 #define DCACHE_H
  25
  26 typedef int (*memxferfunc) (CORE_ADDR memaddr, char *myaddr, int len);
  27
  28 typedef struct dcache_struct DCACHE;
  29
  30 /* Using the data cache DCACHE return the contents of the word at
  31    address ADDR in the remote machine.  */
  32 int dcache_fetch (DCACHE * dcache, CORE_ADDR addr);
  33
  34 /* Flush DCACHE. */
  35 void dcache_flush (DCACHE * dcache);
  36
  37 /* Initialize DCACHE. */
  38 DCACHE *dcache_init (memxferfunc reading, memxferfunc writing);
  39
  40 /* Write the word at ADDR both in the data cache and in the remote machine.  */
  41 int dcache_poke (DCACHE * dcache, CORE_ADDR addr, int data);
  42
  43 /* Simple to call from <remote>_xfer_memory */
  44
  45 int dcache_xfer_memory (DCACHE * cache, CORE_ADDR mem, char *my, int len,
  46                         int should_write);
  47
  48 /* Write the bytes at ADDR into the data cache and the remote machine. */
  49 int dcache_poke_block (DCACHE * cache, CORE_ADDR mem, char *my, int len);
  50
  51 /* Turn dcache state on or off */
  52 void set_dcache_state (int);
  53
  54 #endif /* DCACHE_H */