1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/* Low level Alpha GNU/Linux interface, for GDB when running native.
Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "target.h"
#include "regcache.h"
#include "linux-nat.h"
#include "alpha-tdep.h"
#include <sys/ptrace.h>
#include <alpha/ptrace.h>
#include <sys/procfs.h>
#include "gregset.h"
/* The address of UNIQUE for ptrace. */
#define ALPHA_UNIQUE_PTRACE_ADDR 65
/*
* See the comment in m68k-tdep.c regarding the utility of these functions.
*/
void
supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp)
{
const long *regp = (const long *)gregsetp;
/* PC is in slot 32, UNIQUE is in slot 33. */
alpha_supply_int_regs (regcache, -1, regp, regp + 31, regp + 32);
}
void
fill_gregset (const struct regcache *regcache,
gdb_gregset_t *gregsetp, int regno)
{
long *regp = (long *)gregsetp;
/* PC is in slot 32, UNIQUE is in slot 33. */
alpha_fill_int_regs (regcache, regno, regp, regp + 31, regp + 32);
}
/*
* Now we do the same thing for floating-point registers.
* Again, see the comments in m68k-tdep.c.
*/
void
supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
{
const long *regp = (const long *)fpregsetp;
/* FPCR is in slot 32. */
alpha_supply_fp_regs (regcache, -1, regp, regp + 31);
}
void
fill_fpregset (const struct regcache *regcache,
gdb_fpregset_t *fpregsetp, int regno)
{
long *regp = (long *)fpregsetp;
/* FPCR is in slot 32. */
alpha_fill_fp_regs (regcache, regno, regp, regp + 31);
}
static CORE_ADDR
alpha_linux_register_u_offset (struct gdbarch *gdbarch, int regno, int store_p)
{
if (regno == gdbarch_pc_regnum (current_gdbarch))
return PC;
if (regno == ALPHA_UNIQUE_REGNUM)
return ALPHA_UNIQUE_PTRACE_ADDR;
if (regno < gdbarch_fp0_regnum (current_gdbarch))
return GPR_BASE + regno;
else
return FPR_BASE + regno - gdbarch_fp0_regnum (current_gdbarch);
}
void _initialialize_alpha_linux_nat (void);
void
_initialize_alpha_linux_nat (void)
{
linux_nat_add_target (linux_trad_target (alpha_linux_register_u_offset));
}
|
