sim/common/sim-reg.c

   1 /* Generic register read/write.
   2    Copyright (C) 1998, 2007, 2008, 2009, 2010, 2011
   3    Free Software Foundation, Inc.
   4    Contributed by Cygnus Solutions.
   5
   6 This file is part of GDB, the GNU debugger.
   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 #include "sim-main.h"
  22 #include "sim-assert.h"
  23
  24 /* Generic implementation of sim_fetch_register for simulators using
  25    CPU_REG_FETCH.
  26    The contents of BUF are in target byte order.  */
  27 /* ??? Obviously the interface needs to be extended to handle multiple
  28    cpus.  */
  29
  30 int
  31 sim_fetch_register (SIM_DESC sd, int rn, unsigned char *buf, int length)
  32 {
  33   SIM_CPU *cpu = STATE_CPU (sd, 0);
  34
  35   SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
  36   return (* CPU_REG_FETCH (cpu)) (cpu, rn, buf, length);
  37 }
  38
  39 /* Generic implementation of sim_store_register for simulators using
  40    CPU_REG_STORE.
  41    The contents of BUF are in target byte order.  */
  42 /* ??? Obviously the interface needs to be extended to handle multiple
  43    cpus.  */
  44
  45 int
  46 sim_store_register (SIM_DESC sd, int rn, unsigned char *buf, int length)
  47 {
  48   SIM_CPU *cpu = STATE_CPU (sd, 0);
  49
  50   SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
  51   return (* CPU_REG_STORE (cpu)) (cpu, rn, buf, length);
  52 }