1 /* Native-dependent code for Motorola 88000 BSD's.
3 Copyright (C) 2004-2013 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 "m88k-tdep.h"
30 #include "inf-ptrace.h"
32 /* Supply the general-purpose registers stored in GREGS to REGCACHE. */
35 m88kbsd_supply_gregset (struct regcache *regcache, const void *gregs)
37 const char *regs = gregs;
40 for (regnum = 0; regnum < M88K_NUM_REGS; regnum++)
41 regcache_raw_supply (regcache, regnum, regs + regnum * 4);
44 /* Collect the general-purpose registers from REGCACHE and store them
48 m88kbsd_collect_gregset (const struct regcache *regcache,
49 void *gregs, int regnum)
54 for (i = 0; i < M88K_NUM_REGS; i++)
56 if (regnum == -1 || regnum == i)
57 regcache_raw_collect (regcache, i, regs + i * 4);
62 /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
66 m88kbsd_fetch_inferior_registers (struct target_ops *ops,
67 struct regcache *regcache, int regnum)
71 if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
72 (PTRACE_TYPE_ARG3) ®s, 0) == -1)
73 perror_with_name (_("Couldn't get registers"));
75 m88kbsd_supply_gregset (regcache, ®s);
78 /* Store register REGNUM back into the inferior. If REGNUM is -1, do
79 this for all registers. */
82 m88kbsd_store_inferior_registers (struct target_ops *ops,
83 struct regcache *regcache, int regnum)
87 if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
88 (PTRACE_TYPE_ARG3) ®s, 0) == -1)
89 perror_with_name (_("Couldn't get registers"));
91 m88kbsd_collect_gregset (regcache, ®s, regnum);
93 if (ptrace (PT_SETREGS, ptid_get_pid (inferior_ptid),
94 (PTRACE_TYPE_ARG3) ®s, 0) == -1)
95 perror_with_name (_("Couldn't write registers"));
99 /* Provide a prototype to silence -Wmissing-prototypes. */
100 void _initialize_m88kbsd_nat (void);
103 _initialize_m88kbsd_nat (void)
105 struct target_ops *t;
107 t = inf_ptrace_target ();
108 t->to_fetch_registers = m88kbsd_fetch_inferior_registers;
109 t->to_store_registers = m88kbsd_store_inferior_registers;