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/* Host-dependent code for Apollo-68ks for GDB, the GNU debugger.

/* Host-dependent code for Apollo-68ks for GDB, the GNU debugger.

   Copyright 1986, 1987, 1989, 1991 Free Software Foundation, Inc.

   Copyright 1986, 1987, 1989, 1991 Free Software Foundation, Inc.

   This file is part of GDB.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 2 of the License, or

   the Free Software Foundation; either version 2 of the License, or

   (at your option) any later version.

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   along with this program; if not, write to the Free Software

   Foundation, Inc., 59 Temple Place - Suite 330,

   Foundation, Inc., 59 Temple Place - Suite 330,

   Boston, MA 02111-1307, USA.  */

   Boston, MA 02111-1307, USA.  */

#include "defs.h"

#include "defs.h"

#include "inferior.h"

#include "inferior.h"

#ifndef _ISP__M68K

#ifndef _ISP__M68K

#define _ISP__M68K 1

#define _ISP__M68K 1

#endif

#endif

#include <ptrace.h>

#include <ptrace.h>

extern int errno;

extern int errno;

void

void

fetch_inferior_registers (ignored)

fetch_inferior_registers (ignored)

     int ignored;

     int ignored;

{

{

  struct ptrace_$data_regs_m68k inferior_registers;

  struct ptrace_$data_regs_m68k inferior_registers;

  struct ptrace_$floating_regs_m68k inferior_fp_registers;

  struct ptrace_$floating_regs_m68k inferior_fp_registers;

  struct ptrace_$control_regs_m68k inferior_control_registers;

  struct ptrace_$control_regs_m68k inferior_control_registers;

  ptrace_$init_control (&inferior_control_registers);

  ptrace_$init_control (&inferior_control_registers);

  inferior_fp_registers.size = sizeof (inferior_fp_registers);

  inferior_fp_registers.size = sizeof (inferior_fp_registers);

  registers_fetched ();

  registers_fetched ();

  ptrace (PTRACE_GETREGS, inferior_pid,

  ptrace (PTRACE_GETREGS, inferior_pid,

          (PTRACE_ARG3_TYPE) & inferior_registers,

          (PTRACE_ARG3_TYPE) & inferior_registers,

          ptrace_$data_set,

          ptrace_$data_set,

          (PTRACE_ARG3_TYPE) & inferior_registers,

          (PTRACE_ARG3_TYPE) & inferior_registers,

          ptrace_$data_set);

          ptrace_$data_set);

  ptrace (PTRACE_GETREGS, inferior_pid,

  ptrace (PTRACE_GETREGS, inferior_pid,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          ptrace_$floating_set_m68k,

          ptrace_$floating_set_m68k,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          ptrace_$floating_set_m68k);

          ptrace_$floating_set_m68k);

  ptrace (PTRACE_GETREGS, inferior_pid,

  ptrace (PTRACE_GETREGS, inferior_pid,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          ptrace_$control_set_m68k,

          ptrace_$control_set_m68k,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          ptrace_$control_set_m68k);

          ptrace_$control_set_m68k);

  bcopy (&inferior_registers, registers, 16 * 4);

  bcopy (&inferior_registers, registers, 16 * 4);

  bcopy (&inferior_fp_registers, &registers[REGISTER_BYTE (FP0_REGNUM)],

  bcopy (&inferior_fp_registers, &registers[REGISTER_BYTE (FP0_REGNUM)],

         sizeof inferior_fp_registers.regs);

         sizeof inferior_fp_registers.regs);

  *(int *) &registers[REGISTER_BYTE (PS_REGNUM)] = inferior_control_registers.sr;

  *(int *) &registers[REGISTER_BYTE (PS_REGNUM)] = inferior_control_registers.sr;

  *(int *) &registers[REGISTER_BYTE (PC_REGNUM)] = inferior_control_registers.pc;

  *(int *) &registers[REGISTER_BYTE (PC_REGNUM)] = inferior_control_registers.pc;

}

}

/* Store our register values back into the inferior.

/* Store our register values back into the inferior.

   If REGNO is -1, do this for all registers.

   If REGNO is -1, do this for all registers.

   Otherwise, REGNO specifies which register (so we can save time).  */

   Otherwise, REGNO specifies which register (so we can save time).  */

void

void

store_inferior_registers (regno)

store_inferior_registers (regno)

     int regno;

     int regno;

{

{

  struct ptrace_$data_regs_m68k inferior_registers;

  struct ptrace_$data_regs_m68k inferior_registers;

  struct ptrace_$floating_regs_m68k inferior_fp_registers;

  struct ptrace_$floating_regs_m68k inferior_fp_registers;

  struct ptrace_$control_regs_m68k inferior_control_registers;

  struct ptrace_$control_regs_m68k inferior_control_registers;

  ptrace_$init_control (&inferior_control_registers);

  ptrace_$init_control (&inferior_control_registers);

  inferior_fp_registers.size = sizeof (inferior_fp_registers);

  inferior_fp_registers.size = sizeof (inferior_fp_registers);

  ptrace (PTRACE_GETREGS, inferior_pid,

  ptrace (PTRACE_GETREGS, inferior_pid,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          ptrace_$floating_set_m68k,

          ptrace_$floating_set_m68k,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          ptrace_$floating_set_m68k);

          ptrace_$floating_set_m68k);

  ptrace (PTRACE_GETREGS, inferior_pid,

  ptrace (PTRACE_GETREGS, inferior_pid,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          ptrace_$control_set_m68k,

          ptrace_$control_set_m68k,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          ptrace_$control_set_m68k);

          ptrace_$control_set_m68k);

  bcopy (registers, &inferior_registers, sizeof (inferior_registers));

  bcopy (registers, &inferior_registers, sizeof (inferior_registers));

  bcopy (&registers[REGISTER_BYTE (FP0_REGNUM)], inferior_fp_registers.regs,

  bcopy (&registers[REGISTER_BYTE (FP0_REGNUM)], inferior_fp_registers.regs,

         sizeof inferior_fp_registers.regs);

         sizeof inferior_fp_registers.regs);

  inferior_control_registers.sr = *(int *) &registers[REGISTER_BYTE (PS_REGNUM)];

  inferior_control_registers.sr = *(int *) &registers[REGISTER_BYTE (PS_REGNUM)];

  inferior_control_registers.pc = *(int *) &registers[REGISTER_BYTE (PC_REGNUM)];

  inferior_control_registers.pc = *(int *) &registers[REGISTER_BYTE (PC_REGNUM)];

  ptrace (PTRACE_SETREGS, inferior_pid,

  ptrace (PTRACE_SETREGS, inferior_pid,

          (PTRACE_ARG3_TYPE) & inferior_registers,

          (PTRACE_ARG3_TYPE) & inferior_registers,

          ptrace_$data_set_m68k,

          ptrace_$data_set_m68k,

          (PTRACE_ARG3_TYPE) & inferior_registers,

          (PTRACE_ARG3_TYPE) & inferior_registers,

          ptrace_$data_set_m68k);

          ptrace_$data_set_m68k);

  ptrace (PTRACE_SETREGS, inferior_pid,

  ptrace (PTRACE_SETREGS, inferior_pid,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          ptrace_$floating_set_m68k,

          ptrace_$floating_set_m68k,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          (PTRACE_ARG3_TYPE) & inferior_fp_registers,

          ptrace_$floating_set_m68k);

          ptrace_$floating_set_m68k);

  ptrace (PTRACE_SETREGS, inferior_pid,

  ptrace (PTRACE_SETREGS, inferior_pid,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          ptrace_$control_set_m68k,

          ptrace_$control_set_m68k,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          (PTRACE_ARG3_TYPE) & inferior_control_registers,

          ptrace_$control_set_m68k);

          ptrace_$control_set_m68k);

}

}