1 /* Native-dependent code for AMD64 BSD's.
3 Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010
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 /* We include <signal.h> to make sure `struct fxsave64' is defined on
27 NetBSD, since NetBSD's <machine/reg.h> needs it. */
28 #include "gdb_assert.h"
30 #include <sys/types.h>
31 #include <sys/ptrace.h>
32 #include <machine/reg.h>
34 #include "amd64-tdep.h"
35 #include "amd64-nat.h"
36 #include "inf-ptrace.h"
39 /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
40 for all registers (including the floating-point registers). */
43 amd64bsd_fetch_inferior_registers (struct target_ops *ops,
44 struct regcache *regcache, int regnum)
46 struct gdbarch *gdbarch = get_regcache_arch (regcache);
48 if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
52 if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
53 (PTRACE_TYPE_ARG3) ®s, 0) == -1)
54 perror_with_name (_("Couldn't get registers"));
56 amd64_supply_native_gregset (regcache, ®s, -1);
61 if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
65 if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
66 (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
67 perror_with_name (_("Couldn't get floating point status"));
69 amd64_supply_fxsave (regcache, -1, &fpregs);
73 /* Store register REGNUM back into the inferior. If REGNUM is -1, do
74 this for all registers (including the floating-point registers). */
77 amd64bsd_store_inferior_registers (struct target_ops *ops,
78 struct regcache *regcache, int regnum)
80 struct gdbarch *gdbarch = get_regcache_arch (regcache);
82 if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
86 if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
87 (PTRACE_TYPE_ARG3) ®s, 0) == -1)
88 perror_with_name (_("Couldn't get registers"));
90 amd64_collect_native_gregset (regcache, ®s, regnum);
92 if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
93 (PTRACE_TYPE_ARG3) ®s, 0) == -1)
94 perror_with_name (_("Couldn't write registers"));
100 if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
104 if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
105 (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
106 perror_with_name (_("Couldn't get floating point status"));
108 amd64_collect_fxsave (regcache, regnum, &fpregs);
110 if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
111 (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
112 perror_with_name (_("Couldn't write floating point status"));
116 /* Create a prototype *BSD/amd64 target. The client can override it
117 with local methods. */
120 amd64bsd_target (void)
122 struct target_ops *t;
124 t = inf_ptrace_target ();
125 t->to_fetch_registers = amd64bsd_fetch_inferior_registers;
126 t->to_store_registers = amd64bsd_store_inferior_registers;