0d6e4ad74b
(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".
166 lines
4.2 KiB
C
166 lines
4.2 KiB
C
/* Native-dependent code for Alpha BSD's.
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Copyright 2000, 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "inferior.h"
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#include "regcache.h"
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#include "alpha-tdep.h"
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#include "alphabsd-tdep.h"
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#include "inf-ptrace.h"
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#include <sys/types.h>
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#include <sys/ptrace.h>
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#include <machine/reg.h>
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#ifdef HAVE_SYS_PROCFS_H
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#include <sys/procfs.h>
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#endif
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#ifndef HAVE_GREGSET_T
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typedef struct reg gregset_t;
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#endif
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#ifndef HAVE_FPREGSET_T
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typedef struct fpreg fpregset_t;
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#endif
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#include "gregset.h"
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/* Provide *regset() wrappers around the generic Alpha BSD register
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supply/fill routines. */
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void
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supply_gregset (gregset_t *gregsetp)
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{
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alphabsd_supply_reg ((char *) gregsetp, -1);
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}
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void
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fill_gregset (gregset_t *gregsetp, int regno)
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{
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alphabsd_fill_reg ((char *) gregsetp, regno);
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}
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void
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supply_fpregset (fpregset_t *fpregsetp)
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{
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alphabsd_supply_fpreg ((char *) fpregsetp, -1);
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}
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void
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fill_fpregset (fpregset_t *fpregsetp, int regno)
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{
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alphabsd_fill_fpreg ((char *) fpregsetp, regno);
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}
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/* Determine if PT_GETREGS fetches this register. */
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static int
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getregs_supplies (int regno)
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{
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return ((regno >= ALPHA_V0_REGNUM && regno <= ALPHA_ZERO_REGNUM)
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|| regno >= ALPHA_PC_REGNUM);
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}
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/* Fetch register REGNO from the inferior. If REGNO is -1, do this
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for all registers (including the floating point registers). */
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static void
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alphabsd_fetch_inferior_registers (int regno)
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{
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if (regno == -1 || getregs_supplies (regno))
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{
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struct reg gregs;
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) &gregs, 0) == -1)
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perror_with_name (_("Couldn't get registers"));
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alphabsd_supply_reg ((char *) &gregs, regno);
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if (regno != -1)
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return;
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}
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if (regno == -1 || regno >= FP0_REGNUM)
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{
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struct fpreg fpregs;
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
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perror_with_name (_("Couldn't get floating point status"));
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alphabsd_supply_fpreg ((char *) &fpregs, regno);
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}
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}
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/* Store register REGNO back into the inferior. If REGNO is -1, do
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this for all registers (including the floating point registers). */
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static void
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alphabsd_store_inferior_registers (int regno)
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{
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if (regno == -1 || getregs_supplies (regno))
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{
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struct reg gregs;
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) &gregs, 0) == -1)
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perror_with_name (_("Couldn't get registers"));
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alphabsd_fill_reg ((char *) &gregs, regno);
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if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) &gregs, 0) == -1)
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perror_with_name (_("Couldn't write registers"));
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if (regno != -1)
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return;
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}
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if (regno == -1 || regno >= FP0_REGNUM)
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{
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struct fpreg fpregs;
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
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perror_with_name (_("Couldn't get floating point status"));
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alphabsd_fill_fpreg ((char *) &fpregs, regno);
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if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
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(PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
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perror_with_name (_("Couldn't write floating point status"));
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}
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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void _initialize_alphabsd_nat (void);
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void
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_initialize_alphabsd_nat (void)
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{
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struct target_ops *t;
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t = inf_ptrace_target ();
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t->to_fetch_registers = alphabsd_fetch_inferior_registers;
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t->to_store_registers = alphabsd_store_inferior_registers;
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add_target (t);
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}
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