-/* Host-dependent code for Apollo-68ksfor GDB, the GNU debugger.
- Copyright 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
+/* Host-dependent code for Apollo-68ks for GDB, the GNU debugger.
+ Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1999, 2000, 2001
+ 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
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "inferior.h"
-#include "gdbcore.h"
+#include "regcache.h"
-extern int errno;
-
-#if defined (GDB_TARGET_IS_SUN3)
-/* All of this stuff is only relevant if both host and target are sun3. */
-void
-fetch_inferior_registers ()
-{
- struct regs inferior_registers;
-#ifdef FP0_REGNUM
- struct fp_status inferior_fp_registers;
+#ifndef _ISP__M68K
+#define _ISP__M68K 1
#endif
- extern char registers[];
- registers_fetched ();
-
- ptrace (PTRACE_GETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers, 0);
-#ifdef FP0_REGNUM
- ptrace (PTRACE_GETFPREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_fp_registers, 0);
-#endif
-
- memcpy (registers, &inferior_registers, 16 * 4);
-#ifdef FP0_REGNUM
- memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers,
- sizeof inferior_fp_registers.fps_regs);
-#endif
- *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps;
- *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc;
-#ifdef FP0_REGNUM
- memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)],
- &inferior_fp_registers.fps_control,
- sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
-#endif
-}
+#include <ptrace.h>
-/* Store our register values back into the inferior.
- If REGNO is -1, do this for all registers.
- Otherwise, REGNO specifies which register (so we can save time). */
+extern int errno;
void
-store_inferior_registers (regno)
- int regno;
+fetch_inferior_registers (int ignored)
{
- struct regs inferior_registers;
-#ifdef FP0_REGNUM
- struct fp_status inferior_fp_registers;
-#endif
- extern char registers[];
-
- memcpy (&inferior_registers, registers, 16 * 4);
-#ifdef FP0_REGNUM
- memcpy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
- sizeof inferior_fp_registers.fps_regs);
-#endif
- inferior_registers.r_ps = *(int *)®isters[REGISTER_BYTE (PS_REGNUM)];
- inferior_registers.r_pc = *(int *)®isters[REGISTER_BYTE (PC_REGNUM)];
+ struct ptrace_$data_regs_m68k inferior_registers;
+ struct ptrace_$floating_regs_m68k inferior_fp_registers;
+ struct ptrace_$control_regs_m68k inferior_control_registers;
-#ifdef FP0_REGNUM
- memcpy (&inferior_fp_registers.fps_control,
- ®isters[REGISTER_BYTE (FPC_REGNUM)],
- sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs);
-#endif
+ ptrace_$init_control (&inferior_control_registers);
+ inferior_fp_registers.size = sizeof (inferior_fp_registers);
- ptrace (PTRACE_SETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers, 0);
-#if FP0_REGNUM
- ptrace (PTRACE_SETFPREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_fp_registers, 0);
-#endif
-}
-
-/* Machine-dependent code for pulling registers out of a Sun-3 core file. */
+ registers_fetched ();
-void
-fetch_core_registers (core_reg_sect, core_reg_size, which)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
-{
- extern char registers[];
- struct regs *regs = (struct regs *) core_reg_sect;
-
- if (which == 0) {
- if (core_reg_size < sizeof (struct regs))
- error ("Can't find registers in core file");
-
- memcpy (registers, (char *)regs, 16 * 4);
- supply_register (PS_REGNUM, ®s->r_ps);
- supply_register (PC_REGNUM, ®s->r_pc);
-
- } else if (which == 2) {
-
-#define fpustruct ((struct fpu *) core_reg_sect)
-
- if (core_reg_size >= sizeof (struct fpu))
- {
-#ifdef FP0_REGNUM
- memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)],
- fpustruct->f_fpstatus.fps_regs,
- sizeof fpustruct->f_fpstatus.fps_regs);
- memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)],
- &fpustruct->f_fpstatus.fps_control,
- sizeof fpustruct->f_fpstatus -
- sizeof fpustruct->f_fpstatus.fps_regs);
-#endif
- }
- else
- fprintf (stderr, "Couldn't read float regs from core file\n");
- }
+ ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_registers,
+ ptrace_$data_set,
+ (PTRACE_ARG3_TYPE) & inferior_registers,
+ ptrace_$data_set);
+
+ ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers,
+ ptrace_$floating_set_m68k,
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers,
+ ptrace_$floating_set_m68k);
+
+ ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_control_registers,
+ ptrace_$control_set_m68k,
+ (PTRACE_ARG3_TYPE) & inferior_control_registers,
+ ptrace_$control_set_m68k);
+
+ bcopy (&inferior_registers, registers, 16 * 4);
+ bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)],
+ sizeof inferior_fp_registers.regs);
+ *(int *) ®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_control_registers.sr;
+ *(int *) ®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_control_registers.pc;
}
-#else /* Not sun3 target. */
-/* These functions shouldn't be called when we're cross-debugging. */
-void
-fetch_inferior_registers ()
-{
-}
-
-/* ARGSUSED */
-void
-store_inferior_registers (regno)
- int regno;
-{
-}
+/* Store our register values back into the inferior.
+ If REGNO is -1, do this for all registers.
+ Otherwise, REGNO specifies which register (so we can save time). */
-/* ARGSUSED */
void
-fetch_core_registers (core_reg_sect, core_reg_size, which)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
+store_inferior_registers (int regno)
{
+ struct ptrace_$data_regs_m68k inferior_registers;
+ struct ptrace_$floating_regs_m68k inferior_fp_registers;
+ struct ptrace_$control_regs_m68k inferior_control_registers;
+
+ ptrace_$init_control (&inferior_control_registers);
+ inferior_fp_registers.size = sizeof (inferior_fp_registers);
+
+ ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers,
+ ptrace_$floating_set_m68k,
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers,
+ ptrace_$floating_set_m68k);
+
+ ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_control_registers,
+ ptrace_$control_set_m68k,
+ (PTRACE_ARG3_TYPE) & inferior_control_registers,
+ ptrace_$control_set_m68k);
+
+ bcopy (registers, &inferior_registers, sizeof (inferior_registers));
+
+ bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)], inferior_fp_registers.regs,
+ sizeof inferior_fp_registers.regs);
+
+ inferior_control_registers.sr = *(int *) ®isters[REGISTER_BYTE (PS_REGNUM)];
+ inferior_control_registers.pc = *(int *) ®isters[REGISTER_BYTE (PC_REGNUM)];
+
+ ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_registers,
+ ptrace_$data_set_m68k,
+ (PTRACE_ARG3_TYPE) & inferior_registers,
+ ptrace_$data_set_m68k);
+
+ ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers,
+ ptrace_$floating_set_m68k,
+ (PTRACE_ARG3_TYPE) & inferior_fp_registers,
+ ptrace_$floating_set_m68k);
+
+ ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid),
+ (PTRACE_ARG3_TYPE) & inferior_control_registers,
+ ptrace_$control_set_m68k,
+ (PTRACE_ARG3_TYPE) & inferior_control_registers,
+ ptrace_$control_set_m68k);
}
-#endif /* Not sun3 target. */
projects / deliverable / binutils-gdb.git / blobdiff