65d034bc60
(ppcobsd_fetch_registers): Renamed from fetch_inferior_registers; made static. (ppcobsd_store_registers): Renamed from store_inferior_registers; made static. (_initialize_ppcobsd_nat): Construct and add target vector. * config/powerpc/obsd.mh (NATDEPFILES): Remove infptrace.o and inftarg.o. Add inf-ptrace.o. (NAT_FILE): Remove. * Makefile.in (ppcobsd-nat.o): Update dependencies.
107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
/* Native-dependent code for OpenBSD/powerpc.
|
||
|
||
Copyright 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 <stddef.h>
|
||
#include <sys/types.h>
|
||
#include <sys/ptrace.h>
|
||
#include <machine/reg.h>
|
||
|
||
#include "ppc-tdep.h"
|
||
#include "ppcobsd-tdep.h"
|
||
#include "inf-ptrace.h"
|
||
|
||
/* OpenBSD/powerpc doesn't have PT_GETFPREGS/PT_SETFPREGS like
|
||
NetBSD/powerpc and FreeBSD/powerpc. */
|
||
|
||
/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
|
||
for all registers. */
|
||
|
||
static void
|
||
ppcobsd_fetch_registers (int regnum)
|
||
{
|
||
struct reg regs;
|
||
|
||
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
|
||
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
|
||
perror_with_name (_("Couldn't get registers"));
|
||
|
||
ppcobsd_supply_gregset (&ppcobsd_gregset, current_regcache, -1,
|
||
®s, sizeof regs);
|
||
}
|
||
|
||
/* Store register REGNUM back into the inferior. If REGNUM is -1, do
|
||
this for all registers. */
|
||
|
||
static void
|
||
ppcobsd_store_registers (int regnum)
|
||
{
|
||
struct reg regs;
|
||
|
||
if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
|
||
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
|
||
perror_with_name (_("Couldn't get registers"));
|
||
|
||
ppcobsd_collect_gregset (&ppcobsd_gregset, current_regcache,
|
||
regnum, ®s, sizeof regs);
|
||
|
||
if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
|
||
(PTRACE_TYPE_ARG3) ®s, 0) == -1)
|
||
perror_with_name (_("Couldn't write registers"));
|
||
}
|
||
|
||
|
||
/* Provide a prototype to silence -Wmissing-prototypes. */
|
||
void _initialize_ppcobsd_nat (void);
|
||
|
||
void
|
||
_initialize_ppcobsd_nat (void)
|
||
{
|
||
struct target_ops *t;
|
||
|
||
/* Add in local overrides. */
|
||
t = inf_ptrace_target ();
|
||
t->to_fetch_registers = ppcobsd_fetch_registers;
|
||
t->to_store_registers = ppcobsd_store_registers;
|
||
add_target (t);
|
||
|
||
/* General-purpose registers. */
|
||
ppcobsd_reg_offsets.r0_offset = offsetof (struct reg, gpr);
|
||
ppcobsd_reg_offsets.pc_offset = offsetof (struct reg, pc);
|
||
ppcobsd_reg_offsets.ps_offset = offsetof (struct reg, ps);
|
||
ppcobsd_reg_offsets.cr_offset = offsetof (struct reg, cnd);
|
||
ppcobsd_reg_offsets.lr_offset = offsetof (struct reg, lr);
|
||
ppcobsd_reg_offsets.ctr_offset = offsetof (struct reg, cnt);
|
||
ppcobsd_reg_offsets.xer_offset = offsetof (struct reg, xer);
|
||
ppcobsd_reg_offsets.mq_offset = offsetof (struct reg, mq);
|
||
|
||
/* Floating-point registers. */
|
||
ppcobsd_reg_offsets.f0_offset = offsetof (struct reg, fpr);
|
||
ppcobsd_reg_offsets.fpscr_offset = -1;
|
||
|
||
/* AltiVec registers. */
|
||
ppcobsd_reg_offsets.vr0_offset = offsetof (struct vreg, vreg);
|
||
ppcobsd_reg_offsets.vscr_offset = offsetof (struct vreg, vscr);
|
||
ppcobsd_reg_offsets.vrsave_offset = offsetof (struct vreg, vrsave);
|
||
}
|