1 /* Native-dependent code for NetBSD/sh.
3 Copyright (C) 2002, 2003, 2004, 2006, 2007, 2008, 2009
4 Free Software Foundation, Inc.
6 Contributed by Wasabi Systems, Inc.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
26 #include <sys/types.h>
27 #include <sys/ptrace.h>
28 #include <machine/reg.h>
31 #include "inf-ptrace.h"
35 /* Determine if PT_GETREGS fetches this register. */
36 #define GETREGS_SUPPLIES(gdbarch, regno) \
37 (((regno) >= R0_REGNUM && (regno) <= (R0_REGNUM + 15)) \
38 || (regno) == gdbarch_pc_regnum (gdbarch) || (regno) == PR_REGNUM \
39 || (regno) == MACH_REGNUM || (regno) == MACL_REGNUM \
40 || (regno) == SR_REGNUM)
42 /* Sizeof `struct reg' in <machine/reg.h>. */
43 #define SHNBSD_SIZEOF_GREGS (21 * 4)
46 shnbsd_fetch_inferior_registers (struct target_ops *ops,
47 struct regcache *regcache, int regno)
49 if (regno == -1 || GETREGS_SUPPLIES (get_regcache_arch (regcache), regno))
51 struct reg inferior_registers;
53 if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
54 (PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
55 perror_with_name (_("Couldn't get registers"));
57 sh_corefile_supply_regset (&sh_corefile_gregset, regcache, regno,
58 (char *) &inferior_registers,
67 shnbsd_store_inferior_registers (struct target_ops *ops,
68 struct regcache *regcache, int regno)
70 if (regno == -1 || GETREGS_SUPPLIES (get_regcache_arch (regcache), regno))
72 struct reg inferior_registers;
74 if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
75 (PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
76 perror_with_name (_("Couldn't get registers"));
78 sh_corefile_collect_regset (&sh_corefile_gregset, regcache, regno,
79 (char *) &inferior_registers,
82 if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
83 (PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
84 perror_with_name (_("Couldn't set registers"));
91 /* Provide a prototype to silence -Wmissing-prototypes. */
92 void _initialize_shnbsd_nat (void);
95 _initialize_shnbsd_nat (void)
99 t = inf_ptrace_target ();
100 t->to_fetch_registers = shnbsd_fetch_inferior_registers;
101 t->to_store_registers = shnbsd_store_inferior_registers;