1 /* Native-dependent code for Motorola 88000 BSD's.
3 Copyright (C) 2004, 2007, 2008, 2009, 2010, 2011
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 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>
30 #include "m88k-tdep.h"
31 #include "inf-ptrace.h"
33 /* Supply the general-purpose registers stored in GREGS to REGCACHE. */
36 m88kbsd_supply_gregset (struct regcache *regcache, const void *gregs)
38 const char *regs = gregs;
41 for (regnum = 0; regnum < M88K_NUM_REGS; regnum++)
42 regcache_raw_supply (regcache, regnum, regs + regnum * 4);
45 /* Collect the general-purpose registers from REGCACHE and store them
49 m88kbsd_collect_gregset (const struct regcache *regcache,
50 void *gregs, int regnum)
55 for (i = 0; i < M88K_NUM_REGS; i++)
57 if (regnum == -1 || regnum == i)
58 regcache_raw_collect (regcache, i, regs + i * 4);
63 /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
67 m88kbsd_fetch_inferior_registers (struct target_ops *ops,
68 struct regcache *regcache, int regnum)
72 if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
73 (PTRACE_TYPE_ARG3) ®s, 0) == -1)
74 perror_with_name (_("Couldn't get registers"));
76 m88kbsd_supply_gregset (regcache, ®s);
79 /* Store register REGNUM back into the inferior. If REGNUM is -1, do
80 this for all registers. */
83 m88kbsd_store_inferior_registers (struct target_ops *ops,
84 struct regcache *regcache, int regnum)
88 if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
89 (PTRACE_TYPE_ARG3) ®s, 0) == -1)
90 perror_with_name (_("Couldn't get registers"));
92 m88kbsd_collect_gregset (regcache, ®s, regnum);
94 if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
95 (PTRACE_TYPE_ARG3) ®s, 0) == -1)
96 perror_with_name (_("Couldn't write registers"));
100 /* Provide a prototype to silence -Wmissing-prototypes. */
101 void _initialize_m88kbsd_nat (void);
104 _initialize_m88kbsd_nat (void)
106 struct target_ops *t;
108 t = inf_ptrace_target ();
109 t->to_fetch_registers = m88kbsd_fetch_inferior_registers;
110 t->to_store_registers = m88kbsd_store_inferior_registers;