1 /* Native-dependent code for NetBSD/sh.
3 Copyright (C) 2002-2019 Free Software Foundation, Inc.
5 Contributed by Wasabi Systems, Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #include <sys/types.h>
26 #include <sys/ptrace.h>
27 #include <machine/reg.h>
30 #include "inf-ptrace.h"
33 struct sh_nbsd_nat_target final : public inf_ptrace_target
35 void fetch_registers (struct regcache *, int) override;
36 void store_registers (struct regcache *, int) override;
39 static sh_nbsd_nat_target the_sh_nbsd_nat_target;
41 /* Determine if PT_GETREGS fetches this register. */
42 #define GETREGS_SUPPLIES(gdbarch, regno) \
43 (((regno) >= R0_REGNUM && (regno) <= (R0_REGNUM + 15)) \
44 || (regno) == gdbarch_pc_regnum (gdbarch) || (regno) == PR_REGNUM \
45 || (regno) == MACH_REGNUM || (regno) == MACL_REGNUM \
46 || (regno) == SR_REGNUM)
48 /* Sizeof `struct reg' in <machine/reg.h>. */
49 #define SHNBSD_SIZEOF_GREGS (21 * 4)
52 sh_nbsd_nat_target::fetch_registers (struct regcache *regcache, int regno)
54 pid_t pid = regcache->ptid ().pid ();
56 if (regno == -1 || GETREGS_SUPPLIES (regcache->arch (), regno))
58 struct reg inferior_registers;
60 if (ptrace (PT_GETREGS, pid,
61 (PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
62 perror_with_name (_("Couldn't get registers"));
64 sh_corefile_supply_regset (&sh_corefile_gregset, regcache, regno,
65 (char *) &inferior_registers,
74 sh_nbsd_nat_target::store_registers (struct regcache *regcache, int regno)
76 pid_t pid = regcache->ptid ().pid ();
78 if (regno == -1 || GETREGS_SUPPLIES (regcache->arch (), regno))
80 struct reg inferior_registers;
82 if (ptrace (PT_GETREGS, pid,
83 (PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
84 perror_with_name (_("Couldn't get registers"));
86 sh_corefile_collect_regset (&sh_corefile_gregset, regcache, regno,
87 (char *) &inferior_registers,
90 if (ptrace (PT_SETREGS, pid,
91 (PTRACE_TYPE_ARG3) &inferior_registers, 0) == -1)
92 perror_with_name (_("Couldn't set registers"));
100 _initialize_shnbsd_nat (void)
102 add_inf_child_target (&the_sh_nbsd_nat_target);