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1181 |
sfurman |
/* Native-dependent code for SuperH running NetBSD, for GDB.
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Copyright 2002 Free Software Foundation, Inc.
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Contributed by Wasabi Systems, 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 <sys/types.h>
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#include <sys/ptrace.h>
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#include <machine/reg.h>
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#include "defs.h"
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#include "inferior.h"
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#include "shnbsd-tdep.h"
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/* Determine if PT_GETREGS fetches this register. */
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#define GETREGS_SUPPLIES(regno) \
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(((regno) >= R0_REGNUM && (regno) <= (R0_REGNUM + 15)) \
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|| (regno) == PC_REGNUM || (regno) == PR_REGNUM \
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|| (regno) == MACH_REGNUM || (regno) == MACL_REGNUM \
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|| (regno) == SR_REGNUM)
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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 inferior_registers;
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1)
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perror_with_name ("Couldn't get registers");
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shnbsd_supply_reg ((char *) &inferior_registers, regno);
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if (regno != -1)
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return;
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}
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}
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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 inferior_registers;
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1)
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perror_with_name ("Couldn't get registers");
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shnbsd_fill_reg ((char *) &inferior_registers, regno);
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if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
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(PTRACE_ARG3_TYPE) &inferior_registers, 0) == -1)
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perror_with_name ("Couldn't set registers");
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if (regno != -1)
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return;
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}
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}
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