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[/] [or1k/] [trunk/] [insight/] [gdb/] [m68knbsd-nat.c] - Blame information for rev 578

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1 578 markom
/* Native-dependent code for Motorola m68k's running NetBSD, for GDB.
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   Copyright 1988, 1989, 1991, 1992, 1994, 1996, 2000, 2001
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   Free Software Foundation, Inc.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 2 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 59 Temple Place - Suite 330,
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   Boston, MA 02111-1307, USA.  */
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#include "defs.h"
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#include <sys/types.h>
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#include <sys/ptrace.h>
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#include <machine/reg.h>
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#include <machine/frame.h>
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#include "inferior.h"
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#include "gdbcore.h"
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#include "regcache.h"
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void
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fetch_inferior_registers (int regno)
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{
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  struct reg inferior_registers;
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  struct fpreg inferior_fp_registers;
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  ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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          (PTRACE_ARG3_TYPE) & inferior_registers, 0);
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  memcpy (&registers[REGISTER_BYTE (0)], &inferior_registers,
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          sizeof (inferior_registers));
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  ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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          (PTRACE_ARG3_TYPE) & inferior_fp_registers, 0);
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  memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers,
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          sizeof (inferior_fp_registers));
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  registers_fetched ();
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}
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void
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store_inferior_registers (int regno)
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{
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  struct reg inferior_registers;
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  struct fpreg inferior_fp_registers;
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  memcpy (&inferior_registers, &registers[REGISTER_BYTE (0)],
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          sizeof (inferior_registers));
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  ptrace (PT_SETREGS, PIDGET (inferior_ptid),
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          (PTRACE_ARG3_TYPE) & inferior_registers, 0);
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  memcpy (&inferior_fp_registers, &registers[REGISTER_BYTE (FP0_REGNUM)],
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          sizeof (inferior_fp_registers));
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  ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
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          (PTRACE_ARG3_TYPE) & inferior_fp_registers, 0);
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}
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struct md_core
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{
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  struct reg intreg;
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  struct fpreg freg;
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};
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static void
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fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
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                      CORE_ADDR ignore)
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{
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  struct md_core *core_reg = (struct md_core *) core_reg_sect;
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  /* Integer registers */
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  memcpy (&registers[REGISTER_BYTE (0)],
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          &core_reg->intreg, sizeof (struct reg));
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  /* Floating point registers */
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  memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)],
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          &core_reg->freg, sizeof (struct fpreg));
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}
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/* Register that we are able to handle m68knbsd core file formats.
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   FIXME: is this really bfd_target_unknown_flavour? */
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static struct core_fns m68knbsd_core_fns =
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{
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  bfd_target_unknown_flavour,           /* core_flavour */
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  default_check_format,                 /* check_format */
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  default_core_sniffer,                 /* core_sniffer */
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  fetch_core_registers,                 /* core_read_registers */
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  NULL                                  /* next */
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};
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void
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_initialize_m68knbsd_nat (void)
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{
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  add_core_fns (&m68knbsd_core_fns);
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}

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