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) PARAMS ((CORE_ADDR memaddr,
  27                                     char *myaddr,
  28                                     int len));
  29
  30 typedef struct dcache_struct DCACHE;
  31
  32 /* Using the data cache DCACHE return the contents of the word at
  33    address ADDR in the remote machine.  */
  34 int dcache_fetch PARAMS ((DCACHE * dcache, CORE_ADDR addr));
  35
  36 /* Flush DCACHE. */
  37 void dcache_flush PARAMS ((DCACHE * dcache));
  38
  39 /* Initialize DCACHE. */
  40 DCACHE *dcache_init PARAMS ((memxferfunc reading, memxferfunc writing));
  41
  42 /* Write the word at ADDR both in the data cache and in the remote machine.  */
  43 int dcache_poke PARAMS ((DCACHE * dcache, CORE_ADDR addr, int data));
  44
  45 /* Simple to call from <remote>_xfer_memory */
  46
  47 int dcache_xfer_memory PARAMS ((DCACHE * cache, CORE_ADDR mem, char *my, int len, int should_write));
  48
  49 /* Write the bytes at ADDR into the data cache and the remote machine. */
  50 int dcache_poke_block PARAMS ((DCACHE * cache, CORE_ADDR mem, char *my, int len));
  51 #endif /* DCACHE_H */