old-cross-binutils/gdb/shnbsd-nat.c
Mark Kettenis bd37273160 Add OpenBSD/sh native support.
* NEWS (New native configurations): Mention OpenBSD/sh.
* configure.host: Add sh*-*-openbsd*.
* shnbsd-nat.c: Include "inf-ptrace.h".
(shnbsd_fetch_inferior_registers): Rename from
fetch_inferior_registers.  Make static.
(shnbsd_store_inferior_registers): Rename from
store_inferior_registers.  Make static.
(_initialize_shnbsd_nat): New function.
* Makefile.in (shnbsd-nat.o): Update dependencies.
* config/sh/nbsd.mh (NAT_CLIBS, NAT_FILE): Remove.
(NATDEPFILES): Remove infptrace.o and inftarg.o.  Add
inf-ptrace.o.
2006-12-15 23:57:35 +00:00

94 lines
2.6 KiB
C

/* Native-dependent code for NetBSD/sh.
Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
Contributed by Wasabi Systems, 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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "inferior.h"
#include <sys/types.h>
#include <sys/ptrace.h>
#include <machine/reg.h>
#include "sh-tdep.h"
#include "shnbsd-tdep.h"
#include "inf-ptrace.h"
/* Determine if PT_GETREGS fetches this register. */
#define GETREGS_SUPPLIES(regno) \
(((regno) >= R0_REGNUM && (regno) <= (R0_REGNUM + 15)) \
|| (regno) == PC_REGNUM || (regno) == PR_REGNUM \
|| (regno) == MACH_REGNUM || (regno) == MACL_REGNUM \
|| (regno) == SR_REGNUM)
static void
shnbsd_fetch_inferior_registers (int regno)
{
if (regno == -1 || GETREGS_SUPPLIES (regno))
{
struct reg inferior_registers;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
perror_with_name (_("Couldn't get registers"));
shnbsd_supply_reg ((char *) &inferior_registers, regno);
if (regno != -1)
return;
}
}
static void
shnbsd_store_inferior_registers (int regno)
{
if (regno == -1 || GETREGS_SUPPLIES (regno))
{
struct reg inferior_registers;
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
perror_with_name (_("Couldn't get registers"));
shnbsd_fill_reg ((char *) &inferior_registers, regno);
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
(PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
perror_with_name (_("Couldn't set registers"));
if (regno != -1)
return;
}
}
/* Provide a prototype to silence -Wmissing-prototypes. */
void _initialize_shnbsd_nat (void);
void
_initialize_shnbsd_nat (void)
{
struct target_ops *t;
t = inf_ptrace_target ();
t->to_fetch_registers = shnbsd_fetch_inferior_registers;
t->to_store_registers = shnbsd_store_inferior_registers;
add_target (t);
}