OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [insight/] [gdb/] [remote-nrom.c] - Blame information for rev 1765

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 578 markom
/* Remote debugging with the XLNT Designs, Inc (XDI) NetROM.
2
   Copyright 1990, 1991, 1992, 1995, 1998, 1999, 2000
3
   Free Software Foundation, Inc.
4
   Contributed by:
5
   Roger Moyers
6
   XLNT Designs, Inc.
7
   15050 Avenue of Science, Suite 106
8
   San Diego, CA  92128
9
   (619)487-9320
10
   roger@xlnt.com
11
   Adapted from work done at Cygnus Support in remote-nindy.c,
12
   later merged in by Stan Shebs at Cygnus.
13
 
14
   This file is part of GDB.
15
 
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.
20
 
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.
25
 
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.  */
30
 
31
#include "defs.h"
32
#include "gdbcmd.h"
33
#include "serial.h"
34
#include "target.h"
35
 
36
/* Default ports used to talk with the NetROM.  */
37
 
38
#define DEFAULT_NETROM_LOAD_PORT    1236
39
#define DEFAULT_NETROM_CONTROL_PORT 1237
40
 
41
static void nrom_close (int quitting);
42
 
43
/* New commands.  */
44
 
45
static void nrom_passthru (char *, int);
46
 
47
/* We talk to the NetROM over these sockets.  */
48
 
49
static serial_t load_desc = NULL;
50
static serial_t ctrl_desc = NULL;
51
 
52
static int load_port = DEFAULT_NETROM_LOAD_PORT;
53
static int control_port = DEFAULT_NETROM_CONTROL_PORT;
54
 
55
static char nrom_hostname[100];
56
 
57
/* Forward data declaration. */
58
 
59
extern struct target_ops nrom_ops;
60
 
61
/* Scan input from the remote system, until STRING is found.  Print chars that
62
   don't match.  */
63
 
64
static int
65
expect (char *string)
66
{
67
  char *p = string;
68
  int c;
69
 
70
  immediate_quit++;
71
 
72
  while (1)
73
    {
74
      c = SERIAL_READCHAR (ctrl_desc, 5);
75
 
76
      if (c == *p++)
77
        {
78
          if (*p == '\0')
79
            {
80
              immediate_quit--;
81
              return 0;
82
            }
83
        }
84
      else
85
        {
86
          fputc_unfiltered (c, gdb_stdout);
87
          p = string;
88
          if (c == *p)
89
            p++;
90
        }
91
    }
92
}
93
 
94
static void
95
nrom_kill (void)
96
{
97
  nrom_close (0);
98
}
99
 
100
static serial_t
101
open_socket (char *name, int port)
102
{
103
  char sockname[100];
104
  serial_t desc;
105
 
106
  sprintf (sockname, "%s:%d", name, port);
107
  desc = SERIAL_OPEN (sockname);
108
  if (!desc)
109
    perror_with_name (sockname);
110
 
111
  return desc;
112
}
113
 
114
static void
115
load_cleanup (void)
116
{
117
  SERIAL_CLOSE (load_desc);
118
  load_desc = NULL;
119
}
120
 
121
/* Download a file specified in ARGS to the netROM.  */
122
 
123
static void
124
nrom_load (char *args, int fromtty)
125
{
126
  int fd, rd_amt, fsize;
127
  bfd *pbfd;
128
  asection *section;
129
  char *downloadstring = "download 0\n";
130
  struct cleanup *old_chain;
131
 
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);
135
 
136
  expect ("Waiting for a connection...\n");
137
 
138
  load_desc = open_socket (nrom_hostname, load_port);
139
 
140
  old_chain = make_cleanup (load_cleanup, 0);
141
 
142
  pbfd = bfd_openr (args, 0);
143
 
144
  if (pbfd)
145
    {
146
      make_cleanup (bfd_close, pbfd);
147
 
148
      if (!bfd_check_format (pbfd, bfd_object))
149
        error ("\"%s\": not in executable format: %s",
150
               args, bfd_errmsg (bfd_get_error ()));
151
 
152
      for (section = pbfd->sections; section; section = section->next)
153
        {
154
          if (bfd_get_section_flags (pbfd, section) & SEC_ALLOC)
155
            {
156
              bfd_vma section_address;
157
              unsigned long section_size;
158
              const char *section_name;
159
 
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);
163
 
164
              if (bfd_get_section_flags (pbfd, section) & SEC_LOAD)
165
                {
166
                  file_ptr fptr;
167
 
168
                  printf_filtered ("[Loading section %s at %x (%d bytes)]\n",
169
                                   section_name, section_address,
170
                                   section_size);
171
 
172
                  fptr = 0;
173
 
174
                  while (section_size > 0)
175
                    {
176
                      char buffer[1024];
177
                      int count;
178
 
179
                      count = min (section_size, 1024);
180
 
181
                      bfd_get_section_contents (pbfd, section, buffer, fptr,
182
                                                count);
183
 
184
                      SERIAL_WRITE (load_desc, buffer, count);
185
                      section_address += count;
186
                      fptr += count;
187
                      section_size -= count;
188
                    }
189
                }
190
              else
191
                /* BSS and such */
192
                {
193
                  printf_filtered ("[section %s: not loading]\n",
194
                                   section_name);
195
                }
196
            }
197
        }
198
    }
199
  else
200
    error ("\"%s\": Could not open", args);
201
 
202
  do_cleanups (old_chain);
203
}
204
 
205
/* Open a connection to the remote NetROM devices.  */
206
 
207
static void
208
nrom_open (char *name, int from_tty)
209
{
210
  int errn;
211
 
212
  if (!name || strchr (name, '/') || strchr (name, ':'))
213
    error (
214
            "To open a NetROM connection, you must specify the hostname\n\
215
or IP address of the NetROM device you wish to use.");
216
 
217
  strcpy (nrom_hostname, name);
218
 
219
  target_preopen (from_tty);
220
 
221
  unpush_target (&nrom_ops);
222
 
223
  ctrl_desc = open_socket (nrom_hostname, control_port);
224
 
225
  push_target (&nrom_ops);
226
 
227
  if (from_tty)
228
    printf_filtered ("Connected to NetROM device \"%s\"\n", nrom_hostname);
229
}
230
 
231
/* Close out all files and local state before this target loses control. */
232
 
233
static void
234
nrom_close (int quitting)
235
{
236
  if (load_desc)
237
    SERIAL_CLOSE (load_desc);
238
  if (ctrl_desc)
239
    SERIAL_CLOSE (ctrl_desc);
240
}
241
 
242
/* Pass arguments directly to the NetROM. */
243
 
244
static void
245
nrom_passthru (char *args, int fromtty)
246
{
247
  char buf[1024];
248
 
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);
252
}
253
 
254
static void
255
nrom_mourn (void)
256
{
257
  unpush_target (&nrom_ops);
258
  generic_mourn_inferior ();
259
}
260
 
261
/* Define the target vector. */
262
 
263
struct target_ops nrom_ops;
264
 
265
static void
266
init_nrom_ops (void)
267
{
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;
330
}
331
 
332
void
333
_initialize_remote_nrom (void)
334
{
335
  init_nrom_ops ();
336
  add_target (&nrom_ops);
337
 
338
  add_show_from_set (
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),
341
                      &showlist);
342
 
343
  add_show_from_set (
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),
346
                      &showlist);
347
 
348
  add_cmd ("nrom", no_class, nrom_passthru,
349
           "Pass arguments as command to NetROM",
350
           &cmdlist);
351
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.