1 /* Common definitions for remote server for GDB.
2 Copyright (C) 1993, 1995, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005,
3 2006, 2007, 2008, 2009 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 3 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, see <http://www.gnu.org/licenses/>. */
26 #include "wincecompat.h"
41 #if !HAVE_DECL_STRERROR
43 extern char *strerror (int); /* X3.159-1989 4.11.6.2 */
49 extern void perror (const char *);
54 extern void *memmem (const void *, size_t , const void *, size_t);
58 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
59 #define ATTR_NORETURN __attribute__ ((noreturn))
61 #define ATTR_NORETURN /* nothing */
66 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
67 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
69 #define ATTR_FORMAT(type, x, y) /* nothing */
74 #if defined(__GNUC__) && (__GNUC__ >= 3)
75 #define ATTR_MALLOC __attribute__ ((__malloc__))
77 #define ATTR_MALLOC /* nothing */
81 /* A type used for binary buffers. */
82 typedef unsigned char gdb_byte;
84 /* FIXME: This should probably be autoconf'd for. It's an integer type at
85 least the size of a (void *). */
86 typedef long long CORE_ADDR;
88 /* Generic information for tracking a list of ``inferiors'' - threads,
92 struct inferior_list_entry *head;
93 struct inferior_list_entry *tail;
95 struct inferior_list_entry
98 struct inferior_list_entry *next;
101 /* Opaque type for user-visible threads. */
106 struct inferior_list_entry entry;
111 #include "regcache.h"
112 #include "gdb/signals.h"
115 #include "mem-break.h"
117 /* Target-specific functions */
119 void initialize_low ();
121 /* From inferiors.c. */
123 extern struct inferior_list all_threads;
124 extern struct inferior_list all_dlls;
125 extern int dlls_changed;
127 void add_inferior_to_list (struct inferior_list *list,
128 struct inferior_list_entry *new_inferior);
129 void for_each_inferior (struct inferior_list *list,
130 void (*action) (struct inferior_list_entry *));
131 extern struct thread_info *current_inferior;
132 void remove_inferior (struct inferior_list *list,
133 struct inferior_list_entry *entry);
134 void remove_thread (struct thread_info *thread);
135 void add_thread (unsigned long thread_id, void *target_data, unsigned int);
136 unsigned int thread_id_to_gdb_id (unsigned long);
137 unsigned int thread_to_gdb_id (struct thread_info *);
138 unsigned long gdb_id_to_thread_id (unsigned int);
139 struct thread_info *gdb_id_to_thread (unsigned int);
140 void clear_inferiors (void);
141 struct inferior_list_entry *find_inferior
142 (struct inferior_list *,
143 int (*func) (struct inferior_list_entry *,
146 struct inferior_list_entry *find_inferior_id (struct inferior_list *list,
148 void *inferior_target_data (struct thread_info *);
149 void set_inferior_target_data (struct thread_info *, void *);
150 void *inferior_regcache_data (struct thread_info *);
151 void set_inferior_regcache_data (struct thread_info *, void *);
152 void add_pid_to_list (struct inferior_list *list, unsigned long pid);
153 int pull_pid_from_list (struct inferior_list *list, unsigned long pid);
155 void loaded_dll (const char *name, CORE_ADDR base_addr);
156 void unloaded_dll (const char *name, CORE_ADDR base_addr);
158 /* Public variables in server.c */
160 extern unsigned long cont_thread;
161 extern unsigned long general_thread;
162 extern unsigned long step_thread;
163 extern unsigned long thread_from_wait;
164 extern unsigned long old_thread_from_wait;
165 extern int server_waiting;
166 extern int debug_threads;
167 extern int pass_signals[];
169 extern jmp_buf toplevel;
171 extern int disable_packet_vCont;
172 extern int disable_packet_Tthread;
173 extern int disable_packet_qC;
174 extern int disable_packet_qfThreadInfo;
176 /* Functions from hostio.c. */
177 extern int handle_vFile (char *, int, int *);
179 /* Functions from hostio-errno.c. */
180 extern void hostio_last_error_from_errno (char *own_buf);
182 /* From remote-utils.c */
184 extern int remote_debug;
185 extern int all_symbols_looked_up;
186 extern int noack_mode;
187 extern int transport_is_reliable;
189 int putpkt (char *buf);
190 int putpkt_binary (char *buf, int len);
191 int getpkt (char *buf);
192 void remote_open (char *name);
193 void remote_close (void);
194 void write_ok (char *buf);
195 void write_enn (char *buf);
196 void initialize_async_io (void);
197 void enable_async_io (void);
198 void disable_async_io (void);
199 void check_remote_input_interrupt_request (void);
200 void convert_ascii_to_int (char *from, unsigned char *to, int n);
201 void convert_int_to_ascii (unsigned char *from, char *to, int n);
202 void new_thread_notify (int id);
203 void dead_thread_notify (int id);
204 void prepare_resume_reply (char *buf, char status, unsigned char sig);
206 const char *decode_address_to_semicolon (CORE_ADDR *addrp, const char *start);
207 void decode_address (CORE_ADDR *addrp, const char *start, int len);
208 void decode_m_packet (char *from, CORE_ADDR * mem_addr_ptr,
209 unsigned int *len_ptr);
210 void decode_M_packet (char *from, CORE_ADDR * mem_addr_ptr,
211 unsigned int *len_ptr, unsigned char *to);
212 int decode_X_packet (char *from, int packet_len, CORE_ADDR * mem_addr_ptr,
213 unsigned int *len_ptr, unsigned char *to);
214 int decode_xfer_write (char *buf, int packet_len, char **annex,
215 CORE_ADDR *offset, unsigned int *len,
216 unsigned char *data);
217 int decode_search_memory_packet (const char *buf, int packet_len,
218 CORE_ADDR *start_addrp,
219 CORE_ADDR *search_space_lenp,
220 gdb_byte *pattern, unsigned int *pattern_lenp);
222 int unhexify (char *bin, const char *hex, int count);
223 int hexify (char *hex, const char *bin, int count);
224 int remote_escape_output (const gdb_byte *buffer, int len,
225 gdb_byte *out_buf, int *out_len,
228 int look_up_one_symbol (const char *name, CORE_ADDR *addrp);
230 void monitor_output (const char *msg);
232 char *xml_escape_text (const char *text);
234 /* Simple growing buffer. */
239 size_t buffer_size; /* allocated size */
240 size_t used_size; /* actually used size */
243 /* Append DATA of size SIZE to the end of BUFFER. Grows the buffer to
244 accommodate the new data. */
245 void buffer_grow (struct buffer *buffer, const char *data, size_t size);
247 /* Release any memory held by BUFFER. */
248 void buffer_free (struct buffer *buffer);
250 /* Initialize BUFFER. BUFFER holds no memory afterwards. */
251 void buffer_init (struct buffer *buffer);
253 /* Return a pointer into BUFFER data, effectivelly transfering
254 ownership of the buffer memory to the caller. Calling buffer_free
255 afterwards has no effect on the returned data. */
256 char* buffer_finish (struct buffer *buffer);
258 /* Simple printf to BUFFER function. Current implemented formatters:
259 %s - grow an xml escaped text in OBSTACK. */
260 void buffer_xml_printf (struct buffer *buffer, const char *format, ...)
261 ATTR_FORMAT (printf, 2, 3);;
263 #define buffer_grow_str(BUFFER,STRING) \
264 buffer_grow (BUFFER, STRING, strlen (STRING))
265 #define buffer_grow_str0(BUFFER,STRING) \
266 buffer_grow (BUFFER, STRING, strlen (STRING) + 1)
268 /* Functions from ``signals.c''. */
269 enum target_signal target_signal_from_host (int hostsig);
270 int target_signal_to_host_p (enum target_signal oursig);
271 int target_signal_to_host (enum target_signal oursig);
272 const char *target_signal_to_name (enum target_signal);
274 /* Functions from utils.c */
276 void *xmalloc (size_t) ATTR_MALLOC;
277 void *xcalloc (size_t, size_t) ATTR_MALLOC;
278 char *xstrdup (const char *) ATTR_MALLOC;
279 void freeargv (char **argv);
280 void perror_with_name (const char *string);
281 void error (const char *string,...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
282 void fatal (const char *string,...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
283 void warning (const char *string,...) ATTR_FORMAT (printf, 1, 2);
285 /* Maximum number of bytes to read/write at once. The value here
286 is chosen to fill up a packet (the headers account for the 32). */
287 #define MAXBUFBYTES(N) (((N)-32)/2)
289 /* Buffer sizes for transferring memory, registers, etc. Set to a constant
290 value to accomodate multiple register formats. This value must be at least
291 as large as the largest register set supported by gdbserver. */
292 #define PBUFSIZ 16384
294 /* Version information, from version.c. */
295 extern const char version[];
296 extern const char host_name[];
298 #endif /* SERVER_H */