OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [amd64bsd-nat.c] - Blame information for rev 834

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 227 jeremybenn
/* Native-dependent code for AMD64 BSD's.
2
 
3
   Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010
4
   Free Software Foundation, Inc.
5
 
6
   This file is part of GDB.
7
 
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.
12
 
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.
17
 
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/>.  */
20
 
21
#include "defs.h"
22
#include "inferior.h"
23
#include "regcache.h"
24
#include "target.h"
25
 
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"
29
#include <signal.h>
30
#include <sys/types.h>
31
#include <sys/ptrace.h>
32
#include <machine/reg.h>
33
 
34
#include "amd64-tdep.h"
35
#include "amd64-nat.h"
36
#include "inf-ptrace.h"
37
 
38
 
39
/* Fetch register REGNUM from the inferior.  If REGNUM is -1, do this
40
   for all registers (including the floating-point registers).  */
41
 
42
static void
43
amd64bsd_fetch_inferior_registers (struct target_ops *ops,
44
                                   struct regcache *regcache, int regnum)
45
{
46
  struct gdbarch *gdbarch = get_regcache_arch (regcache);
47
 
48
  if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
49
    {
50
      struct reg regs;
51
 
52
      if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
53
                  (PTRACE_TYPE_ARG3) &regs, 0) == -1)
54
        perror_with_name (_("Couldn't get registers"));
55
 
56
      amd64_supply_native_gregset (regcache, &regs, -1);
57
      if (regnum != -1)
58
        return;
59
    }
60
 
61
  if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
62
    {
63
      struct fpreg fpregs;
64
 
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"));
68
 
69
      amd64_supply_fxsave (regcache, -1, &fpregs);
70
    }
71
}
72
 
73
/* Store register REGNUM back into the inferior.  If REGNUM is -1, do
74
   this for all registers (including the floating-point registers).  */
75
 
76
static void
77
amd64bsd_store_inferior_registers (struct target_ops *ops,
78
                                   struct regcache *regcache, int regnum)
79
{
80
  struct gdbarch *gdbarch = get_regcache_arch (regcache);
81
 
82
  if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
83
    {
84
      struct reg regs;
85
 
86
      if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
87
                  (PTRACE_TYPE_ARG3) &regs, 0) == -1)
88
        perror_with_name (_("Couldn't get registers"));
89
 
90
      amd64_collect_native_gregset (regcache, &regs, regnum);
91
 
92
      if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
93
                  (PTRACE_TYPE_ARG3) &regs, 0) == -1)
94
        perror_with_name (_("Couldn't write registers"));
95
 
96
      if (regnum != -1)
97
        return;
98
    }
99
 
100
  if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
101
    {
102
      struct fpreg fpregs;
103
 
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"));
107
 
108
      amd64_collect_fxsave (regcache, regnum, &fpregs);
109
 
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"));
113
    }
114
}
115
 
116
/* Create a prototype *BSD/amd64 target.  The client can override it
117
   with local methods.  */
118
 
119
struct target_ops *
120
amd64bsd_target (void)
121
{
122
  struct target_ops *t;
123
 
124
  t = inf_ptrace_target ();
125
  t->to_fetch_registers = amd64bsd_fetch_inferior_registers;
126
  t->to_store_registers = amd64bsd_store_inferior_registers;
127
  return t;
128
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.