old-cross-binutils/gdb/alphabsd-nat.c
Mark Kettenis 0d6e4ad74b * alphabsd-nat.c: Update copyright year. Include "inf-ptrace.h".
(alphabsd_fetch_inferior_registers): Rename from
fetch_inferior_registers.  Make static.
(alphabsd_store_inferior_registers): Rename from
store_inferior_registers.  Make static.
(_initialize_alphabsd_nat): New function.
* Makefile.in (alphabsd-nat.o): Update dependencies.
* config/alpha/fbsd.mh (NATDEPFILES): Remove infptrace.o and
inftarg.o.  Add inf-ptrace.o, fbsd-nat.o and gcore.o.
* config/alpha/nbsd.mh (NAT_CLIBS): Remove variable.
(NATDEPFILES): Remove infptrace.o and inftarg.o.  Add
alphabsd-nat.o.
* config/alpha/nm-fbsd.h: Update copyright year.  Don't include
"config/nm-bsd.h" and "elf/common.h".
* config/alpha/nm-nbsd.h: Update copyright year.  Don't include
"config/nm-nbsd.h".
2005-03-05 14:36:10 +00:00

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/* Native-dependent code for Alpha BSD's.
Copyright 2000, 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
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 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "inferior.h"
#include "regcache.h"
#include "alpha-tdep.h"
#include "alphabsd-tdep.h"
#include "inf-ptrace.h"
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#ifdef HAVE_SYS_PROCFS_H
#include <sys/procfs.h>
#endif
#ifndef HAVE_GREGSET_T
typedef struct reg gregset_t;
#endif
#ifndef HAVE_FPREGSET_T
typedef struct fpreg fpregset_t;
#endif
#include "gregset.h"
/* Provide *regset() wrappers around the generic Alpha BSD register
supply/fill routines. */
void
supply_gregset (gregset_t *gregsetp)
{
alphabsd_supply_reg ((char *) gregsetp, -1);
}
void
fill_gregset (gregset_t *gregsetp, int regno)
{
alphabsd_fill_reg ((char *) gregsetp, regno);
}
void
supply_fpregset (fpregset_t *fpregsetp)
{
alphabsd_supply_fpreg ((char *) fpregsetp, -1);
}
void
fill_fpregset (fpregset_t *fpregsetp, int regno)
{
alphabsd_fill_fpreg ((char *) fpregsetp, regno);
}
/* Determine if PT_GETREGS fetches this register. */
static int
getregs_supplies (int regno)
{
return ((regno >= ALPHA_V0_REGNUM && regno <= ALPHA_ZERO_REGNUM)
|| regno >= ALPHA_PC_REGNUM);
}
/* Fetch register REGNO from the inferior. If REGNO is -1, do this
for all registers (including the floating point registers). */
static void
alphabsd_fetch_inferior_registers (int regno)
{
if (regno == -1 || getregs_supplies (regno))
{
struct reg gregs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &gregs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
alphabsd_supply_reg ((char *) &gregs, regno);
if (regno != -1)
return;
}
if (regno == -1 || regno >= FP0_REGNUM)
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
alphabsd_supply_fpreg ((char *) &fpregs, regno);
}
}
/* Store register REGNO back into the inferior. If REGNO is -1, do
this for all registers (including the floating point registers). */
static void
alphabsd_store_inferior_registers (int regno)
{
if (regno == -1 || getregs_supplies (regno))
{
struct reg gregs;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &gregs, 0) == -1)
perror_with_name (_("Couldn't get registers"));
alphabsd_fill_reg ((char *) &gregs, regno);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &gregs, 0) == -1)
perror_with_name (_("Couldn't write registers"));
if (regno != -1)
return;
}
if (regno == -1 || regno >= FP0_REGNUM)
{
struct fpreg fpregs;
if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't get floating point status"));
alphabsd_fill_fpreg ((char *) &fpregs, regno);
if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
perror_with_name (_("Couldn't write floating point status"));
}
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_alphabsd_nat (void);
void
_initialize_alphabsd_nat (void)
{
struct target_ops *t;
t = inf_ptrace_target ();
t->to_fetch_registers = alphabsd_fetch_inferior_registers;
t->to_store_registers = alphabsd_store_inferior_registers;
add_target (t);
}