6c85f20633ce9c9eb0c5a0a98bd38269b9df81cc
1 /* Native-dependent code for AMD64 BSD's.
3 Copyright 2003 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 2 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, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
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 "x86-64-tdep.h"
35 #include "amd64-nat.h"
38 /* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
39 for all registers (including the floating-point registers). */
42 fetch_inferior_registers (int regnum
)
44 if (regnum
== -1 || amd64_native_gregset_supplies_p (regnum
))
48 if (ptrace (PT_GETREGS
, PIDGET (inferior_ptid
),
49 (PTRACE_ARG3_TYPE
) ®s
, 0) == -1)
50 perror_with_name ("Couldn't get registers");
52 amd64_supply_native_gregset (current_regcache
, ®s
, -1);
57 if (regnum
== -1 || regnum
>= X86_64_ST0_REGNUM
)
61 if (ptrace (PT_GETFPREGS
, PIDGET (inferior_ptid
),
62 (PTRACE_ARG3_TYPE
) &fpregs
, 0) == -1)
63 perror_with_name ("Couldn't get floating point status");
65 x86_64_supply_fxsave (current_regcache
, -1, &fpregs
);
69 /* Store register REGNUM back into the inferior. If REGNUM is -1, do
70 this for all registers (including the floating-point registers). */
73 store_inferior_registers (int regnum
)
75 if (regnum
== -1 || amd64_native_gregset_supplies_p (regnum
))
79 if (ptrace (PT_GETREGS
, PIDGET (inferior_ptid
),
80 (PTRACE_ARG3_TYPE
) ®s
, 0) == -1)
81 perror_with_name ("Couldn't get registers");
83 amd64_collect_native_gregset (current_regcache
, ®s
, regnum
);
85 if (ptrace (PT_SETREGS
, PIDGET (inferior_ptid
),
86 (PTRACE_ARG3_TYPE
) ®s
, 0) == -1)
87 perror_with_name ("Couldn't write registers");
93 if (regnum
== -1 || regnum
>= X86_64_ST0_REGNUM
)
97 if (ptrace (PT_GETFPREGS
, PIDGET (inferior_ptid
),
98 (PTRACE_ARG3_TYPE
) &fpregs
, 0) == -1)
99 perror_with_name ("Couldn't get floating point status");
101 x86_64_fill_fxsave ((char *) &fpregs
, regnum
);
103 if (ptrace (PT_SETFPREGS
, PIDGET (inferior_ptid
),
104 (PTRACE_ARG3_TYPE
) &fpregs
, 0) == -1)
105 perror_with_name ("Couldn't write floating point status");
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