1 /* Remote debugging with the XLNT Designs, Inc (XDI) NetROM.
2 Copyright 1990, 1991, 1992, 1995, 1998, 1999, 2000
3 Free Software Foundation, Inc.
7 15050 Avenue of Science, Suite 106
11 Adapted from work done at Cygnus Support in remote-nindy.c,
12 later merged in by Stan Shebs at Cygnus.
14 This file is part of GDB.
16 This program is free software; you can redistribute it and/or modify
17 it under the terms of the GNU General Public License as published by
18 the Free Software Foundation; either version 2 of the License, or
19 (at your option) any later version.
21 This program is distributed in the hope that it will be useful,
22 but WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 GNU General Public License for more details.
26 You should have received a copy of the GNU General Public License
27 along with this program; if not, write to the Free Software
28 Foundation, Inc., 59 Temple Place - Suite 330,
29 Boston, MA 02111-1307, USA. */
36 /* Default ports used to talk with the NetROM. */
38 #define DEFAULT_NETROM_LOAD_PORT 1236
39 #define DEFAULT_NETROM_CONTROL_PORT 1237
41 static void nrom_close (int quitting);
45 static void nrom_passthru (char *, int);
47 /* We talk to the NetROM over these sockets. */
49 static struct serial *load_desc = NULL;
50 static struct serial *ctrl_desc = NULL;
52 static int load_port = DEFAULT_NETROM_LOAD_PORT;
53 static int control_port = DEFAULT_NETROM_CONTROL_PORT;
55 static char nrom_hostname[100];
57 /* Forward data declaration. */
59 extern struct target_ops nrom_ops;
61 /* Scan input from the remote system, until STRING is found. Print chars that
74 c = serial_readchar (ctrl_desc, 5);
86 fputc_unfiltered (c, gdb_stdout);
100 static struct serial *
101 open_socket (char *name, int port)
106 sprintf (sockname, "%s:%d", name, port);
107 desc = serial_open (sockname);
109 perror_with_name (sockname);
117 serial_close (load_desc);
121 /* Download a file specified in ARGS to the netROM. */
124 nrom_load (char *args, int fromtty)
126 int fd, rd_amt, fsize;
129 char *downloadstring = "download 0\n";
130 struct cleanup *old_chain;
132 /* Tell the netrom to get ready to download. */
133 if (serial_write (ctrl_desc, downloadstring, strlen (downloadstring)))
134 error ("nrom_load: control_send() of `%s' failed", downloadstring);
136 expect ("Waiting for a connection...\n");
138 load_desc = open_socket (nrom_hostname, load_port);
140 old_chain = make_cleanup (load_cleanup, 0);
142 pbfd = bfd_openr (args, 0);
146 make_cleanup (bfd_close, pbfd);
148 if (!bfd_check_format (pbfd, bfd_object))
149 error ("\"%s\": not in executable format: %s",
150 args, bfd_errmsg (bfd_get_error ()));
152 for (section = pbfd->sections; section; section = section->next)
154 if (bfd_get_section_flags (pbfd, section) & SEC_ALLOC)
156 bfd_vma section_address;
157 unsigned long section_size;
158 const char *section_name;
160 section_name = bfd_get_section_name (pbfd, section);
161 section_address = bfd_get_section_vma (pbfd, section);
162 section_size = bfd_section_size (pbfd, section);
164 if (bfd_get_section_flags (pbfd, section) & SEC_LOAD)
168 printf_filtered ("[Loading section %s at %x (%d bytes)]\n",
169 section_name, section_address,
174 while (section_size > 0)
179 count = min (section_size, 1024);
181 bfd_get_section_contents (pbfd, section, buffer, fptr,
184 serial_write (load_desc, buffer, count);
185 section_address += count;
187 section_size -= count;
193 printf_filtered ("[section %s: not loading]\n",
200 error ("\"%s\": Could not open", args);
202 do_cleanups (old_chain);
205 /* Open a connection to the remote NetROM devices. */
208 nrom_open (char *name, int from_tty)
212 if (!name || strchr (name, '/') || strchr (name, ':'))
214 "To open a NetROM connection, you must specify the hostname\n\
215 or IP address of the NetROM device you wish to use.");
217 strcpy (nrom_hostname, name);
219 target_preopen (from_tty);
221 unpush_target (&nrom_ops);
223 ctrl_desc = open_socket (nrom_hostname, control_port);
225 push_target (&nrom_ops);
228 printf_filtered ("Connected to NetROM device \"%s\"\n", nrom_hostname);
231 /* Close out all files and local state before this target loses control. */
234 nrom_close (int quitting)
237 serial_close (load_desc);
239 serial_close (ctrl_desc);
242 /* Pass arguments directly to the NetROM. */
245 nrom_passthru (char *args, int fromtty)
249 sprintf (buf, "%s\n", args);
250 if (serial_write (ctrl_desc, buf, strlen (buf)))
251 error ("nrom_reset: control_send() of `%s'failed", args);
257 unpush_target (&nrom_ops);
258 generic_mourn_inferior ();
261 /* Define the target vector. */
263 struct target_ops nrom_ops;
268 nrom_ops.to_shortname = "nrom";
269 nrom_ops.to_longname = "Remote XDI `NetROM' target";
270 nrom_ops.to_doc = "Remote debug using a NetROM over Ethernet";
271 nrom_ops.to_open = nrom_open;
272 nrom_ops.to_close = nrom_close;
273 nrom_ops.to_attach = NULL;
274 nrom_ops.to_post_attach = NULL;
275 nrom_ops.to_require_attach = NULL;
276 nrom_ops.to_detach = NULL;
277 nrom_ops.to_require_detach = NULL;
278 nrom_ops.to_resume = NULL;
279 nrom_ops.to_wait = NULL;
280 nrom_ops.to_post_wait = NULL;
281 nrom_ops.to_fetch_registers = NULL;
282 nrom_ops.to_store_registers = NULL;
283 nrom_ops.to_prepare_to_store = NULL;
284 nrom_ops.to_xfer_memory = NULL;
285 nrom_ops.to_files_info = NULL;
286 nrom_ops.to_insert_breakpoint = NULL;
287 nrom_ops.to_remove_breakpoint = NULL;
288 nrom_ops.to_terminal_init = NULL;
289 nrom_ops.to_terminal_inferior = NULL;
290 nrom_ops.to_terminal_ours_for_output = NULL;
291 nrom_ops.to_terminal_ours = NULL;
292 nrom_ops.to_terminal_info = NULL;
293 nrom_ops.to_kill = nrom_kill;
294 nrom_ops.to_load = nrom_load;
295 nrom_ops.to_lookup_symbol = NULL;
296 nrom_ops.to_create_inferior = NULL;
297 nrom_ops.to_post_startup_inferior = NULL;
298 nrom_ops.to_acknowledge_created_inferior = NULL;
299 nrom_ops.to_clone_and_follow_inferior = NULL;
300 nrom_ops.to_post_follow_inferior_by_clone = NULL;
301 nrom_ops.to_insert_fork_catchpoint = NULL;
302 nrom_ops.to_remove_fork_catchpoint = NULL;
303 nrom_ops.to_insert_vfork_catchpoint = NULL;
304 nrom_ops.to_remove_vfork_catchpoint = NULL;
305 nrom_ops.to_has_forked = NULL;
306 nrom_ops.to_has_vforked = NULL;
307 nrom_ops.to_can_follow_vfork_prior_to_exec = NULL;
308 nrom_ops.to_post_follow_vfork = NULL;
309 nrom_ops.to_insert_exec_catchpoint = NULL;
310 nrom_ops.to_remove_exec_catchpoint = NULL;
311 nrom_ops.to_has_execd = NULL;
312 nrom_ops.to_reported_exec_events_per_exec_call = NULL;
313 nrom_ops.to_has_exited = NULL;
314 nrom_ops.to_mourn_inferior = nrom_mourn;
315 nrom_ops.to_can_run = NULL;
316 nrom_ops.to_notice_signals = 0;
317 nrom_ops.to_thread_alive = 0;
318 nrom_ops.to_stop = 0;
319 nrom_ops.to_pid_to_exec_file = NULL;
320 nrom_ops.to_stratum = download_stratum;
321 nrom_ops.DONT_USE = NULL;
322 nrom_ops.to_has_all_memory = 1;
323 nrom_ops.to_has_memory = 1;
324 nrom_ops.to_has_stack = 1;
325 nrom_ops.to_has_registers = 1;
326 nrom_ops.to_has_execution = 0;
327 nrom_ops.to_sections = NULL;
328 nrom_ops.to_sections_end = NULL;
329 nrom_ops.to_magic = OPS_MAGIC;
333 _initialize_remote_nrom (void)
336 add_target (&nrom_ops);
339 add_set_cmd ("nrom_load_port", no_class, var_zinteger, (char *) &load_port,
340 "Set the port to use for NetROM downloads\n", &setlist),
344 add_set_cmd ("nrom_control_port", no_class, var_zinteger, (char *) &control_port,
345 "Set the port to use for NetROM debugger services\n", &setlist),
348 add_cmd ("nrom", no_class, nrom_passthru,
349 "Pass arguments as command to NetROM",