1 /* Copyright (C) 2007 Free Software Foundation, Inc.
3 This file is part of GDB.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA. */
21 #include "win32-low.h"
23 #ifndef CONTEXT_FLOATING_POINT
24 #define CONTEXT_FLOATING_POINT 0
28 arm_get_thread_context (win32_thread_info
*th
, DEBUG_EVENT
* current_event
)
30 th
->context
.ContextFlags
= \
32 CONTEXT_FLOATING_POINT
;
34 GetThreadContext (th
->h
, &th
->context
);
38 arm_set_thread_context (win32_thread_info
*th
, DEBUG_EVENT
* current_event
)
40 SetThreadContext (th
->h
, &th
->context
);
43 #define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
44 static const int mappings
[] = {
74 /* Return a pointer into a CONTEXT field indexed by gdb register number.
75 Return a pointer to an dummy register holding zero if there is no
76 corresponding CONTEXT field for the given register number. */
78 regptr (CONTEXT
* c
, int r
)
83 /* Always force value to zero, in case the user tried to write
84 to this register before. */
86 return (char *) &zero
;
89 return (char *) c
+ mappings
[r
];
92 /* Fetch register from gdbserver regcache data. */
94 arm_fetch_inferior_register (win32_thread_info
*th
, int r
)
96 char *context_offset
= regptr (&th
->context
, r
);
97 supply_register (r
, context_offset
);
100 /* Store a new register value into the thread context of TH. */
102 arm_store_inferior_register (win32_thread_info
*th
, int r
)
104 collect_register (r
, regptr (&th
->context
, r
));
107 /* Correct in either endianness. We do not support Thumb yet. */
108 static const unsigned long arm_wince_breakpoint
= 0xe6000001;
109 #define arm_wince_breakpoint_len 4
111 struct win32_target_ops the_low_target
= {
112 sizeof (mappings
) / sizeof (mappings
[0]),
113 NULL
, /* initial_stuff */
114 arm_get_thread_context
,
115 arm_set_thread_context
,
116 NULL
, /* thread_added */
117 arm_fetch_inferior_register
,
118 arm_store_inferior_register
,
119 NULL
, /* single_step */
120 (const unsigned char *) &arm_wince_breakpoint
,
121 arm_wince_breakpoint_len
,
122 "arm" /* arch_string */