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42a4f53d | 1 | # Copyright 2000-2019 Free Software Foundation, Inc. |
6f8eac0e DJ |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 5 | # the Free Software Foundation; either version 3 of the License, or |
6f8eac0e | 6 | # (at your option) any later version. |
e22f8b7c | 7 | # |
6f8eac0e DJ |
8 | # This program is distributed in the hope that it will be useful, |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
e22f8b7c | 12 | # |
6f8eac0e | 13 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
6f8eac0e DJ |
15 | |
16 | # This file is based on config/gdbserver.exp, which was written by | |
17 | # Michael Snyder (msnyder@redhat.com). | |
18 | ||
19 | # | |
20 | # To be addressed or set in your baseboard config file: | |
21 | # | |
22 | # set_board_info gdb_protocol "remote" | |
23 | # Unles you have a gdbserver that uses a different protocol... | |
e11ac3a3 JK |
24 | # After GDB starts you should check global $gdbserver_protocol instead as |
25 | # the testfile may force a specific different target protocol itself. | |
6f8eac0e DJ |
26 | # |
27 | # set_board_info gdb_server_prog | |
28 | # This will be the path to the gdbserver program you want to test. | |
29 | # Defaults to "gdbserver". | |
30 | # | |
31 | # set_board_info sockethost | |
32 | # The name of the host computer whose socket is being used. | |
33 | # Defaults to "localhost". Note: old gdbserver requires | |
34 | # that you define this, but libremote/gdbserver does not. | |
35 | # | |
36 | # set_board_info gdb,socketport | |
37 | # Port id to use for socket connection. If not set explicitly, | |
38 | # it will start at "2345" and increment for each use. | |
e11ac3a3 JK |
39 | # After GDB starts you should check global $gdbserver_gdbport for the |
40 | # real port used. It is not useful if $gdbserver_reconnect_p was not set. | |
6f8eac0e DJ |
41 | # |
42 | ||
43 | # | |
44 | # gdb_target_cmd | |
45 | # Send gdb the "target" command | |
46 | # | |
47 | proc gdb_target_cmd { targetname serialport } { | |
48 | global gdb_prompt | |
49 | ||
ef783a7d | 50 | set serialport_re [string_to_regexp $serialport] |
6f8eac0e DJ |
51 | for {set i 1} {$i <= 3} {incr i} { |
52 | send_gdb "target $targetname $serialport\n" | |
53 | gdb_expect 60 { | |
54 | -re "A program is being debugged already.*ill it.*y or n. $" { | |
55 | send_gdb "y\n" | |
56 | exp_continue | |
57 | } | |
401ea829 JB |
58 | -re "unknown host.*$gdb_prompt" { |
59 | verbose "Couldn't look up $serialport" | |
60 | } | |
2f83a18e | 61 | -re "Couldn't establish connection to remote.*$gdb_prompt $" { |
6f8eac0e DJ |
62 | verbose "Connection failed" |
63 | } | |
64 | -re "Remote MIPS debugging.*$gdb_prompt" { | |
65 | verbose "Set target to $targetname" | |
66 | return 0 | |
67 | } | |
ef783a7d | 68 | -re "Remote debugging using .*$serialport_re.*$gdb_prompt $" { |
6f8eac0e DJ |
69 | verbose "Set target to $targetname" |
70 | return 0 | |
71 | } | |
e0f9f062 DE |
72 | -re "Remote debugging using stdio.*$gdb_prompt $" { |
73 | verbose "Set target to $targetname" | |
74 | return 0 | |
75 | } | |
2f83a18e | 76 | -re "Remote target $targetname connected to.*$gdb_prompt $" { |
6f8eac0e DJ |
77 | verbose "Set target to $targetname" |
78 | return 0 | |
79 | } | |
2f83a18e | 80 | -re "Connected to.*$gdb_prompt $" { |
6f8eac0e DJ |
81 | verbose "Set target to $targetname" |
82 | return 0 | |
83 | } | |
2f83a18e DJ |
84 | -re "Ending remote.*$gdb_prompt $" { } |
85 | -re "Connection refused.*$gdb_prompt $" { | |
6f8eac0e DJ |
86 | verbose "Connection refused by remote target. Pausing, and trying again." |
87 | sleep 30 | |
88 | continue | |
89 | } | |
2f83a18e | 90 | -re "Timeout reading from remote system.*$gdb_prompt $" { |
6f8eac0e DJ |
91 | verbose "Got timeout error from gdb." |
92 | } | |
b741e217 DJ |
93 | -notransfer -re "Remote debugging using .*\r\n> $" { |
94 | # We got an unexpected prompt while creating the target. | |
95 | # Leave it there for the test to diagnose. | |
96 | return 1 | |
97 | } | |
6f8eac0e DJ |
98 | timeout { |
99 | send_gdb "\ 3" | |
100 | break | |
101 | } | |
102 | } | |
103 | } | |
104 | return 1 | |
105 | } | |
106 | ||
107 | ||
108 | global portnum | |
109 | set portnum "2345" | |
110 | ||
111 | # Locate the gdbserver binary. Returns "" if gdbserver could not be found. | |
112 | ||
113 | proc find_gdbserver { } { | |
114 | global GDB | |
6fadd07a DE |
115 | global GDBSERVER |
116 | ||
117 | if [info exists GDBSERVER] { | |
118 | return ${GDBSERVER} | |
119 | } | |
6f8eac0e DJ |
120 | |
121 | if [target_info exists gdb_server_prog] { | |
122 | return [target_info gdb_server_prog] | |
123 | } | |
124 | ||
125 | set gdbserver "${GDB}server" | |
126 | if { [file isdirectory $gdbserver] } { | |
127 | append gdbserver "/gdbserver" | |
128 | } | |
129 | ||
130 | if { [file executable $gdbserver] } { | |
131 | return $gdbserver | |
132 | } | |
133 | ||
134 | return "" | |
135 | } | |
136 | ||
137 | # Return non-zero if we should skip gdbserver-specific tests. | |
138 | ||
139 | proc skip_gdbserver_tests { } { | |
140 | if { [find_gdbserver] == "" } { | |
141 | return 1 | |
142 | } | |
143 | ||
bae62ee2 YQ |
144 | # If GDB is lack of XML support, and targets, like arm, have |
145 | # multiple target descriptions, GDB doesn't know which target | |
146 | # description GDBserver uses, and may fail to parse 'g' packet | |
147 | # after connection. | |
148 | if { [gdb_skip_xml_test] | |
149 | && ([istarget "arm*-*-linux*"] | |
150 | || [istarget "mips*-*-linux*"] | |
151 | || [istarget "powerpc*-*-linux*"] | |
152 | || [istarget "s390*-*-linux*"] | |
153 | || [istarget "x86_64-*-linux*"] | |
154 | || [istarget "i\[34567\]86-*-linux*"]) } { | |
155 | return 1 | |
156 | } | |
157 | ||
6f8eac0e DJ |
158 | return 0 |
159 | } | |
160 | ||
2d717e4f DJ |
161 | # Download the currently loaded program to the target if necessary. |
162 | # Return the target system filename. | |
6496a609 DE |
163 | # NOTE: This was named "gdbserver_download", but that collides with the |
164 | # dejagnu "download" API function when using load_generic_config "gdbserver". | |
6f8eac0e | 165 | |
6496a609 | 166 | proc gdbserver_download_current_prog { } { |
b741e217 DJ |
167 | global gdbserver_host_exec |
168 | global gdbserver_host_mtime | |
169 | global gdbserver_server_exec | |
170 | global last_loaded_file | |
171 | ||
096be756 PA |
172 | if { ![info exists last_loaded_file] } { |
173 | return "" | |
174 | } | |
175 | ||
b741e217 DJ |
176 | set host_exec $last_loaded_file |
177 | ||
178 | # If we already downloaded a file to the target, see if we can reuse it. | |
179 | set reuse 0 | |
180 | if { [info exists gdbserver_server_exec] } { | |
181 | set reuse 1 | |
182 | ||
183 | # If the file has changed, we can not. | |
184 | if { $host_exec != $gdbserver_host_exec } { | |
185 | set reuse 0 | |
186 | } | |
187 | ||
188 | # If the mtime has changed, we can not. | |
189 | if { [file mtime $host_exec] != $gdbserver_host_mtime } { | |
190 | set reuse 0 | |
191 | } | |
192 | } | |
193 | ||
194 | if { $reuse == 0 } { | |
195 | set gdbserver_host_exec $host_exec | |
196 | set gdbserver_host_mtime [file mtime $host_exec] | |
7817ea46 | 197 | set gdbserver_server_exec [gdb_remote_download target $host_exec] |
b741e217 | 198 | } |
6f8eac0e | 199 | |
2d717e4f DJ |
200 | return $gdbserver_server_exec |
201 | } | |
202 | ||
e0f9f062 DE |
203 | # Default routine to compute the argument to "target remote". |
204 | ||
205 | proc gdbserver_default_get_remote_address { host port } { | |
ab19de87 DE |
206 | # Historically HOST included the trailing ":". |
207 | # To avoid breaking any board files out there we leave things alone. | |
e0f9f062 DE |
208 | return "$host$port" |
209 | } | |
210 | ||
ab19de87 DE |
211 | # Default routine to compute the "comm" argument for gdbserver. |
212 | ||
213 | proc gdbserver_default_get_comm_port { port } { | |
c7ab0aef | 214 | return "$port" |
ab19de87 DE |
215 | } |
216 | ||
2d717e4f DJ |
217 | # Start a gdbserver process with initial OPTIONS and trailing ARGUMENTS. |
218 | # The port will be filled in between them automatically. | |
219 | # | |
220 | # Returns the target protocol and socket to connect to. | |
221 | ||
222 | proc gdbserver_start { options arguments } { | |
223 | global portnum | |
c7ab0aef | 224 | global GDB_TEST_SOCKETHOST |
2d717e4f | 225 | |
6f8eac0e DJ |
226 | # Port id -- either specified in baseboard file, or managed here. |
227 | if [target_info exists gdb,socketport] { | |
228 | set portnum [target_info gdb,socketport] | |
229 | } else { | |
230 | # Bump the port number to avoid conflicts with hung ports. | |
231 | incr portnum | |
232 | } | |
233 | ||
234 | # Extract the local and remote host ids from the target board struct. | |
c7ab0aef SDJ |
235 | if { [info exists GDB_TEST_SOCKETHOST] } { |
236 | # The user is not supposed to provide a port number, just a | |
237 | # hostname/address, therefore we add the trailing ":" here. | |
238 | set debughost "${GDB_TEST_SOCKETHOST}:" | |
239 | # Escape open and close square brackets. | |
240 | set debughost_tmp [string map { [ \\[ ] \\] } $debughost] | |
241 | # We need a "gdbserver" version of the debughost, which will | |
242 | # have the possible connection prefix stripped. This is | |
243 | # because gdbserver currently doesn't recognize the prefixes. | |
244 | regsub -all "^\(tcp:|udp:|tcp4:|udp4:|tcp6:|udp6:\)" $debughost_tmp "" debughost_gdbserver | |
245 | } elseif [target_info exists sockethost] { | |
2d717e4f | 246 | set debughost [target_info sockethost] |
c7ab0aef | 247 | set debughost_gdbserver $debughost |
6f8eac0e DJ |
248 | } else { |
249 | set debughost "localhost:" | |
c7ab0aef | 250 | set debughost_gdbserver $debughost |
6f8eac0e DJ |
251 | } |
252 | ||
e0f9f062 DE |
253 | # Some boards use a different value for the port that is passed to |
254 | # gdbserver and the port that is passed to the "target remote" command. | |
255 | # One example is the stdio gdbserver support. | |
256 | if [target_info exists gdb,get_remote_address] { | |
257 | set get_remote_address [target_info gdb,get_remote_address] | |
258 | } else { | |
259 | set get_remote_address gdbserver_default_get_remote_address | |
260 | } | |
ab19de87 DE |
261 | if [target_info exists gdbserver,get_comm_port] { |
262 | set get_comm_port [target_info gdbserver,get_comm_port] | |
263 | } else { | |
264 | set get_comm_port gdbserver_default_get_comm_port | |
265 | } | |
e0f9f062 | 266 | |
6f8eac0e DJ |
267 | # Extract the protocol |
268 | if [target_info exists gdb_protocol] { | |
269 | set protocol [target_info gdb_protocol] | |
270 | } else { | |
271 | set protocol "remote" | |
272 | } | |
273 | ||
274 | set gdbserver [find_gdbserver] | |
275 | ||
047427a8 JK |
276 | # Loop till we find a free port. |
277 | while 1 { | |
047427a8 JK |
278 | # Fire off the debug agent. |
279 | set gdbserver_command "$gdbserver" | |
03f2bd59 JK |
280 | |
281 | # If gdbserver_reconnect will be called $gdbserver_reconnect_p must be | |
282 | # set to true already during gdbserver_start. | |
283 | global gdbserver_reconnect_p | |
284 | if {![info exists gdbserver_reconnect_p] || !$gdbserver_reconnect_p} { | |
285 | # GDB client could accidentally connect to a stale server. | |
f196051f | 286 | # append gdbserver_command " --debug --once" |
03f2bd59 JK |
287 | append gdbserver_command " --once" |
288 | } | |
289 | ||
047427a8 JK |
290 | if { $options != "" } { |
291 | append gdbserver_command " $options" | |
292 | } | |
c7ab0aef SDJ |
293 | if { $debughost_gdbserver != "" } { |
294 | append gdbserver_command " $debughost_gdbserver" | |
295 | } | |
e0f9f062 | 296 | if { $portnum != "" } { |
c7ab0aef SDJ |
297 | if { $debughost_gdbserver == "" } { |
298 | append gdbserver_command " " | |
299 | } | |
300 | append gdbserver_command "[$get_comm_port $portnum]" | |
e0f9f062 | 301 | } |
047427a8 JK |
302 | if { $arguments != "" } { |
303 | append gdbserver_command " $arguments" | |
304 | } | |
6f8eac0e | 305 | |
6423214f | 306 | global server_spawn_id |
047427a8 JK |
307 | set server_spawn_id [remote_spawn target $gdbserver_command] |
308 | ||
f71c18e7 PA |
309 | # GDBserver doesn't do inferior I/O through GDB. But we can |
310 | # talk to the program using GDBserver's tty instead. | |
311 | global inferior_spawn_id | |
312 | set inferior_spawn_id $server_spawn_id | |
313 | ||
047427a8 JK |
314 | # Wait for the server to open its TCP socket, so that GDB can connect. |
315 | expect { | |
316 | -i $server_spawn_id | |
2bdd10b7 | 317 | -timeout 120 |
047427a8 JK |
318 | -notransfer |
319 | -re "Listening on" { } | |
320 | -re "Can't bind address: Address already in use\\.\r\n" { | |
321 | verbose -log "Port $portnum is already in use." | |
322 | if ![target_info exists gdb,socketport] { | |
323 | # Bump the port number to avoid the conflict. | |
324 | wait -i $expect_out(spawn_id) | |
325 | incr portnum | |
326 | continue | |
327 | } | |
328 | } | |
fb66cde8 | 329 | -re ".*: cannot resolve name: .*\r\n" { |
c7ab0aef SDJ |
330 | error "gdbserver cannot resolve name." |
331 | } | |
09635af7 MR |
332 | timeout { |
333 | error "Timeout waiting for gdbserver response." | |
334 | } | |
047427a8 JK |
335 | } |
336 | break | |
6f8eac0e DJ |
337 | } |
338 | ||
e0f9f062 | 339 | return [list $protocol [$get_remote_address $debughost $portnum]] |
6f8eac0e DJ |
340 | } |
341 | ||
2d717e4f DJ |
342 | # Start a gdbserver process running SERVER_EXEC, and connect GDB |
343 | # to it. CHILD_ARGS are passed to the inferior. | |
344 | # | |
345 | # Returns the target protocol and socket to connect to. | |
346 | ||
347 | proc gdbserver_spawn { child_args } { | |
6496a609 | 348 | set target_exec [gdbserver_download_current_prog] |
2d717e4f DJ |
349 | |
350 | # Fire off the debug agent. This flavour of gdbserver takes as | |
351 | # arguments the port information, the name of the executable file to | |
352 | # be debugged, and any arguments. | |
353 | set arguments "$target_exec" | |
354 | if { $child_args != "" } { | |
355 | append arguments " $child_args" | |
356 | } | |
357 | return [gdbserver_start "" $arguments] | |
358 | } | |
359 | ||
6423214f PA |
360 | # Close the GDBserver connection. |
361 | ||
362 | proc close_gdbserver {} { | |
038d4868 | 363 | global server_spawn_id |
6423214f PA |
364 | |
365 | # We can't just call close, because if gdbserver is local then that means | |
366 | # that it will get a SIGHUP. Doing it this way could also allow us to | |
367 | # get at the inferior's input or output if necessary, and means that we | |
368 | # don't need to redirect output. | |
369 | ||
370 | if {![info exists server_spawn_id]} { | |
371 | return | |
372 | } | |
373 | ||
374 | verbose "Quitting GDBserver" | |
375 | ||
376 | catch "close -i $server_spawn_id" | |
377 | catch "wait -i $server_spawn_id" | |
378 | unset server_spawn_id | |
379 | } | |
380 | ||
f73842fc YQ |
381 | # Hook into GDB exit, and close GDBserver. We must load this |
382 | # explicitly here, and rename the procedures we want to override. | |
383 | load_lib mi-support.exp | |
6423214f | 384 | |
9c211fd8 | 385 | if { [info procs gdbserver_orig_gdb_exit] == "" } { |
6423214f | 386 | rename gdb_exit gdbserver_orig_gdb_exit |
f73842fc | 387 | rename mi_gdb_exit gdbserver_orig_mi_gdb_exit |
6423214f | 388 | } |
f73842fc YQ |
389 | |
390 | proc gdbserver_gdb_exit { is_mi } { | |
038d4868 | 391 | global gdb_spawn_id server_spawn_id |
6423214f | 392 | global gdb_prompt |
1ca99c42 PA |
393 | global gdbserver_reconnect_p |
394 | ||
395 | # Leave GDBserver running if we're exiting GDB in order to | |
396 | # reconnect to the same instance of GDBserver again. | |
397 | if {[info exists gdbserver_reconnect_p] && $gdbserver_reconnect_p} { | |
f73842fc YQ |
398 | if { $is_mi } { |
399 | gdbserver_orig_mi_gdb_exit | |
400 | } else { | |
401 | gdbserver_orig_gdb_exit | |
402 | } | |
1ca99c42 PA |
403 | return |
404 | } | |
6423214f PA |
405 | |
406 | if {[info exists gdb_spawn_id] && [info exists server_spawn_id]} { | |
2efe15c4 YQ |
407 | # GDB may be terminated in an expected way or an unexpected way, |
408 | # but DejaGNU doesn't know that, so gdb_spawn_id isn't unset. | |
409 | # Catch the exceptions. | |
410 | catch { | |
f73842fc YQ |
411 | if { $is_mi } { |
412 | set monitor_exit "-interpreter-exec console \"monitor exit\"" | |
413 | } else { | |
414 | set monitor_exit "monitor exit" | |
415 | } | |
416 | send_gdb "$monitor_exit\n"; | |
2efe15c4 YQ |
417 | # We use expect rather than gdb_expect because |
418 | # we want to suppress printing exception messages, otherwise, | |
419 | # remote_expect, invoked by gdb_expect, prints the exceptions. | |
420 | expect { | |
421 | -i "$gdb_spawn_id" -re "$gdb_prompt $" { | |
422 | exp_continue | |
423 | } | |
424 | -i "$server_spawn_id" eof { | |
425 | wait -i $expect_out(spawn_id) | |
426 | unset server_spawn_id | |
2efe15c4 | 427 | } |
6423214f PA |
428 | } |
429 | } | |
430 | } | |
431 | close_gdbserver | |
432 | ||
f73842fc YQ |
433 | if { $is_mi } { |
434 | gdbserver_orig_mi_gdb_exit | |
435 | } else { | |
436 | gdbserver_orig_gdb_exit | |
437 | } | |
438 | } | |
439 | ||
440 | proc gdb_exit {} { | |
441 | gdbserver_gdb_exit 0 | |
442 | } | |
443 | ||
444 | proc mi_gdb_exit {} { | |
445 | gdbserver_gdb_exit 1 | |
6423214f PA |
446 | } |
447 | ||
6f8eac0e | 448 | # Start a gdbserver process running HOST_EXEC and pass CHILD_ARGS |
09635af7 MR |
449 | # to it. Return 0 on success, or non-zero on failure: 2 if gdbserver |
450 | # failed to start or 1 if we couldn't connect to it. | |
6f8eac0e | 451 | |
b741e217 | 452 | proc gdbserver_run { child_args } { |
b0f4b84b DJ |
453 | global gdbserver_protocol |
454 | global gdbserver_gdbport | |
455 | ||
2226f861 DJ |
456 | # Kill anything running before we try to start gdbserver, in case |
457 | # we are sharing a serial connection. | |
458 | global gdb_prompt | |
459 | send_gdb "kill\n" | |
460 | gdb_expect 120 { | |
461 | -re "Kill the program being debugged. .y or n. $" { | |
462 | send_gdb "y\n" | |
463 | verbose "\t\tKilling previous program being debugged" | |
464 | exp_continue | |
465 | } | |
466 | -re "$gdb_prompt $" { | |
467 | # OK. | |
468 | } | |
469 | } | |
470 | ||
09635af7 MR |
471 | if { [catch { gdbserver_spawn $child_args } res] == 1 } { |
472 | perror $res | |
473 | return 2 | |
474 | } | |
b0f4b84b DJ |
475 | set gdbserver_protocol [lindex $res 0] |
476 | set gdbserver_gdbport [lindex $res 1] | |
477 | ||
478 | return [gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport] | |
479 | } | |
480 | ||
481 | # Reconnect to the previous gdbserver session. | |
482 | ||
483 | proc gdbserver_reconnect { } { | |
484 | global gdbserver_protocol | |
485 | global gdbserver_gdbport | |
6f8eac0e | 486 | |
4ec70201 | 487 | global gdbserver_reconnect_p |
03f2bd59 JK |
488 | if {![info exists gdbserver_reconnect_p] || !$gdbserver_reconnect_p} { |
489 | error "gdbserver_reconnect_p is not set before gdbserver_reconnect" | |
490 | return 0 | |
491 | } | |
492 | ||
b0f4b84b | 493 | return [gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport] |
6f8eac0e | 494 | } |
2d717e4f | 495 | |
8cfe207c YQ |
496 | # Start gdbserver in extended mode with OPTIONS and connect to it. Note |
497 | # this frobs $gdbserver_protocol, so should be used only from a board | |
498 | # that usually connects in target remote mode. | |
499 | proc gdbserver_start_extended { {options ""} } { | |
e11ac3a3 JK |
500 | global gdbserver_protocol |
501 | global gdbserver_gdbport | |
502 | global use_gdb_stub | |
503 | ||
8cfe207c YQ |
504 | set gdbserver_options "--multi" |
505 | ||
506 | if { $options != "" } { | |
507 | append gdbserver_options " $options" | |
508 | } | |
509 | ||
510 | if { [catch { gdbserver_start $gdbserver_options "" } res] == 1 } { | |
09635af7 MR |
511 | perror $res |
512 | return 2 | |
513 | } | |
a1999d40 PA |
514 | set gdbserver_protocol [lindex $res 0] |
515 | if { [string first "extended-" $gdbserver_protocol] != 0} { | |
516 | set gdbserver_protocol "extended-$gdbserver_protocol" | |
517 | } | |
2d717e4f DJ |
518 | set gdbserver_gdbport [lindex $res 1] |
519 | ||
e11ac3a3 JK |
520 | # Even if the board file is testing with target remote, our caller |
521 | # wants to test against gdbserver in extended-remote mode. Make sure to | |
522 | # disable stub-like techniques. | |
523 | set use_gdb_stub 0 | |
524 | ||
2d717e4f DJ |
525 | return [gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport] |
526 | } | |
048fe15a PA |
527 | |
528 | # Start and connect to a gdbserver in extended/multi mode. Unlike | |
529 | # gdbserver_start_extended, this does not frob $gdbserver_protocol. | |
530 | ||
531 | proc gdbserver_start_multi { } { | |
532 | global gdbserver_protocol | |
533 | global gdbserver_gdbport | |
534 | ||
09635af7 MR |
535 | if { [catch { gdbserver_start "--multi" "" } res] == 1 } { |
536 | perror $res | |
537 | return 2 | |
538 | } | |
048fe15a PA |
539 | set gdbserver_protocol [lindex $res 0] |
540 | set gdbserver_gdbport [lindex $res 1] | |
541 | ||
542 | return [gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport] | |
543 | } | |
544 | ||
545 | # Start a gdbserver process in multi/extended mode, and have GDB | |
546 | # connect to it (MI version). Return 0 on success, or non-zero on | |
547 | # failure. | |
548 | ||
549 | proc mi_gdbserver_start_multi { } { | |
550 | global gdbserver_protocol | |
551 | global gdbserver_gdbport | |
552 | ||
09635af7 MR |
553 | if { [catch { gdbserver_start "--multi" "" } res] == 1 } { |
554 | perror $res | |
555 | return 2 | |
556 | } | |
048fe15a PA |
557 | set gdbserver_protocol [lindex $res 0] |
558 | set gdbserver_gdbport [lindex $res 1] | |
559 | ||
560 | return [mi_gdb_target_cmd $gdbserver_protocol $gdbserver_gdbport] | |
561 | } |