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[/] [openrisc/] [tags/] [gdb/] [gdb-6.8/] [gdb-6.8.openrisc-2.1/] [gdb/] [shnbsd-nat.c] - Rev 178
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/* Native-dependent code for NetBSD/sh. Copyright (C) 2002, 2003, 2004, 2006, 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>. */ #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" #include "regcache.h" /* Determine if PT_GETREGS fetches this register. */ #define GETREGS_SUPPLIES(gdbarch, regno) \ (((regno) >= R0_REGNUM && (regno) <= (R0_REGNUM + 15)) \ || (regno) == gdbarch_pc_regnum (gdbarch) || (regno) == PR_REGNUM \ || (regno) == MACH_REGNUM || (regno) == MACL_REGNUM \ || (regno) == SR_REGNUM) static void shnbsd_fetch_inferior_registers (struct regcache *regcache, int regno) { if (regno == -1 || GETREGS_SUPPLIES (get_regcache_arch (regcache), 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 (regcache, (char *) &inferior_registers, regno); if (regno != -1) return; } } static void shnbsd_store_inferior_registers (struct regcache *regcache, int regno) { if (regno == -1 || GETREGS_SUPPLIES (get_regcache_arch (regcache), 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 (regcache, (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); }
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