gdb/gdbserver/linux-sh-low.c

   1 /* GNU/Linux/SH specific low level interface, for the remote server for GDB.
   2    Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002
   3    Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #include "server.h"
  23 #include "linux-low.h"
  24
  25 #ifdef HAVE_SYS_REG_H
  26 #include <sys/reg.h>
  27 #endif
  28
  29 #include <asm/ptrace.h>
  30
  31 #define sh_num_regs 41
  32
  33 /* Currently, don't check/send MQ.  */
  34 static int sh_regmap[] = {
  35  0,     4,      8,      12,     16,     20,     24,     28,
  36  32,    36,     40,     44,     48,     52,     56,     60,
  37
  38  REG_PC*4,   REG_PR*4,   REG_GBR*4,  -1,
  39  REG_MACH*4, REG_MACL*4, REG_SR*4,
  40  REG_FPUL*4, REG_FPSCR*4,
  41
  42  REG_FPREG0+0,   REG_FPREG0+4,   REG_FPREG0+8,   REG_FPREG0+12,
  43  REG_FPREG0+16,  REG_FPREG0+20,  REG_FPREG0+24,  REG_FPREG0+28,
  44  REG_FPREG0+32,  REG_FPREG0+36,  REG_FPREG0+40,  REG_FPREG0+44,
  45  REG_FPREG0+48,  REG_FPREG0+52,  REG_FPREG0+56,  REG_FPREG0+60,
  46 };
  47
  48 static int
  49 sh_cannot_store_register (int regno)
  50 {
  51   return 0;
  52 }
  53
  54 static int
  55 sh_cannot_fetch_register (int regno)
  56 {
  57   return 0;
  58 }
  59
  60 struct linux_target_ops the_low_target = {
  61   sh_num_regs,
  62   sh_regmap,
  63   sh_cannot_fetch_register,
  64   sh_cannot_store_register,
  65 };