1 /* Copyright (C) 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>. */
19 #include "win32-low.h"
21 #ifndef CONTEXT_FLOATING_POINT
22 #define CONTEXT_FLOATING_POINT 0
26 arm_get_thread_context (win32_thread_info *th, DEBUG_EVENT* current_event)
28 th->context.ContextFlags = \
30 CONTEXT_FLOATING_POINT;
32 GetThreadContext (th->h, &th->context);
36 arm_set_thread_context (win32_thread_info *th, DEBUG_EVENT* current_event)
38 SetThreadContext (th->h, &th->context);
41 #define context_offset(x) ((int)&(((CONTEXT *)NULL)->x))
42 static const int mappings[] = {
72 /* Return a pointer into a CONTEXT field indexed by gdb register number.
73 Return a pointer to an dummy register holding zero if there is no
74 corresponding CONTEXT field for the given register number. */
76 regptr (CONTEXT* c, int r)
81 /* Always force value to zero, in case the user tried to write
82 to this register before. */
84 return (char *) &zero;
87 return (char *) c + mappings[r];
90 /* Fetch register from gdbserver regcache data. */
92 arm_fetch_inferior_register (win32_thread_info *th, int r)
94 char *context_offset = regptr (&th->context, r);
95 supply_register (r, context_offset);
98 /* Store a new register value into the thread context of TH. */
100 arm_store_inferior_register (win32_thread_info *th, int r)
102 collect_register (r, regptr (&th->context, r));
105 /* Correct in either endianness. We do not support Thumb yet. */
106 static const unsigned long arm_wince_breakpoint = 0xe6000010;
107 #define arm_wince_breakpoint_len 4
109 struct win32_target_ops the_low_target = {
110 sizeof (mappings) / sizeof (mappings[0]),
111 NULL, /* initial_stuff */
112 arm_get_thread_context,
113 arm_set_thread_context,
114 NULL, /* thread_added */
115 arm_fetch_inferior_register,
116 arm_store_inferior_register,
117 NULL, /* single_step */
118 (const unsigned char *) &arm_wince_breakpoint,
119 arm_wince_breakpoint_len,
120 "arm" /* arch_string */