1 /* Native-dependent code for MIPS systems running NetBSD.
3 Copyright (C) 2000-2017 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 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>
29 #include "mips-tdep.h"
30 #include "mips-nbsd-tdep.h"
31 #include "inf-ptrace.h"
33 /* Determine if PT_GETREGS fetches this register. */
35 getregs_supplies (struct gdbarch *gdbarch, int regno)
37 return ((regno) >= MIPS_ZERO_REGNUM
38 && (regno) <= gdbarch_pc_regnum (gdbarch));
42 mipsnbsd_fetch_inferior_registers (struct target_ops *ops,
43 struct regcache *regcache, int regno)
45 pid_t pid = ptid_get_pid (regcache_get_ptid (regcache));
47 struct gdbarch *gdbarch = get_regcache_arch (regcache);
48 if (regno == -1 || getregs_supplies (gdbarch, regno))
52 if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
53 perror_with_name (_("Couldn't get registers"));
55 mipsnbsd_supply_reg (regcache, (char *) ®s, regno);
61 || regno >= gdbarch_fp0_regnum (get_regcache_arch (regcache)))
65 if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
66 perror_with_name (_("Couldn't get floating point status"));
68 mipsnbsd_supply_fpreg (regcache, (char *) &fpregs, regno);
73 mipsnbsd_store_inferior_registers (struct target_ops *ops,
74 struct regcache *regcache, int regno)
76 pid_t pid = ptid_get_pid (regcache_get_ptid (regcache));
78 struct gdbarch *gdbarch = get_regcache_arch (regcache);
79 if (regno == -1 || getregs_supplies (gdbarch, regno))
83 if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
84 perror_with_name (_("Couldn't get registers"));
86 mipsnbsd_fill_reg (regcache, (char *) ®s, regno);
88 if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) ®s, 0) == -1)
89 perror_with_name (_("Couldn't write registers"));
96 || regno >= gdbarch_fp0_regnum (get_regcache_arch (regcache)))
100 if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
101 perror_with_name (_("Couldn't get floating point status"));
103 mipsnbsd_fill_fpreg (regcache, (char *) &fpregs, regno);
105 if (ptrace (PT_SETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
106 perror_with_name (_("Couldn't write floating point status"));
111 _initialize_mipsnbsd_nat (void)
113 struct target_ops *t;
115 t = inf_ptrace_target ();
116 t->to_fetch_registers = mipsnbsd_fetch_inferior_registers;
117 t->to_store_registers = mipsnbsd_store_inferior_registers;