44d8858367
* alpha-tdep.c (alpha_register_name): Remove vfp entry.
(alpha_cannot_fetch_register): Remove ALPHA_FP_REGNUM.
(alpha_cannot_store_register): Likewise.
* alphabsd-nat.c (fetch_inferior_registers): Don't set FP_REGNUM.
* alpha-nat.c (supply_gregset): Likewise.
* alphanbsd-tdep.c (fetch_core_registers): Likewise.
151 lines
3.8 KiB
C
151 lines
3.8 KiB
C
/* Native-dependent code for Alpha BSD's.
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Copyright 2000, 2001, 2002 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 <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 >= 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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void
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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_ARG3_TYPE) &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_ARG3_TYPE) &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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void
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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_ARG3_TYPE) &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_ARG3_TYPE) &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_ARG3_TYPE) &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_ARG3_TYPE) &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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