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6aba47ca DJ |
1 | # Copyright 1999, 2000, 2002, 2003, 2004, 2005, 2007 |
2 | # Free Software Foundation, Inc. | |
fb40c209 AC |
3 | |
4 | # This program is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
6 | # the Free Software Foundation; either version 2 of the License, or | |
7 | # (at your option) any later version. | |
8 | # | |
9 | # This program is distributed in the hope that it will be useful, | |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
13 | # | |
14 | # You should have received a copy of the GNU General Public License | |
15 | # along with this program; if not, write to the Free Software | |
16 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
17 | ||
18 | # Please email any bugs, comments, and/or additions to this file to: | |
19 | # bug-gdb@prep.ai.mit.edu | |
20 | ||
21 | # This file was based on a file written by Fred Fish. (fnf@cygnus.com) | |
22 | ||
23 | # Test setup routines that work with the MI interpreter. | |
24 | ||
25 | # The variable mi_gdb_prompt is a regexp which matches the gdb mi prompt. | |
26 | # Set it if it is not already set. | |
27 | global mi_gdb_prompt | |
28 | if ![info exists mi_gdb_prompt] then { | |
29 | set mi_gdb_prompt "\[(\]gdb\[)\] \r\n" | |
30 | } | |
31 | ||
ecd3fd0f BR |
32 | global mi_inferior_spawn_id |
33 | global mi_inferior_tty_name | |
34 | ||
fb40c209 AC |
35 | set MIFLAGS "-i=mi" |
36 | ||
37 | # | |
38 | # mi_gdb_exit -- exit the GDB, killing the target program if necessary | |
39 | # | |
40 | proc mi_gdb_exit {} { | |
41 | catch mi_uncatched_gdb_exit | |
42 | } | |
43 | ||
44 | proc mi_uncatched_gdb_exit {} { | |
45 | global GDB | |
46 | global GDBFLAGS | |
47 | global verbose | |
48 | global gdb_spawn_id; | |
49 | global gdb_prompt | |
50 | global mi_gdb_prompt | |
51 | global MIFLAGS | |
52 | ||
53 | gdb_stop_suppressing_tests; | |
54 | ||
55 | if { [info procs sid_exit] != "" } { | |
56 | sid_exit | |
57 | } | |
58 | ||
59 | if ![info exists gdb_spawn_id] { | |
60 | return; | |
61 | } | |
62 | ||
63 | verbose "Quitting $GDB $GDBFLAGS $MIFLAGS" | |
64 | ||
65 | if { [is_remote host] && [board_info host exists fileid] } { | |
66 | send_gdb "999-gdb-exit\n"; | |
67 | gdb_expect 10 { | |
68 | -re "y or n" { | |
69 | send_gdb "y\n"; | |
70 | exp_continue; | |
71 | } | |
72 | -re "Undefined command.*$gdb_prompt $" { | |
73 | send_gdb "quit\n" | |
74 | exp_continue; | |
75 | } | |
76 | -re "DOSEXIT code" { } | |
77 | default { } | |
78 | } | |
79 | } | |
80 | ||
81 | if ![is_remote host] { | |
82 | remote_close host; | |
83 | } | |
84 | unset gdb_spawn_id | |
85 | } | |
86 | ||
87 | # | |
ecd3fd0f BR |
88 | # mi_gdb_start [INFERIOR_PTY] -- start gdb running, default procedure |
89 | # | |
90 | # INFERIOR_PTY should be set to separate-inferior-tty to have the inferior work | |
91 | # with it's own PTY. If set to same-inferior-tty, the inferior shares GDB's PTY. | |
92 | # The default value is same-inferior-tty. | |
fb40c209 AC |
93 | # |
94 | # When running over NFS, particularly if running many simultaneous | |
95 | # tests on different hosts all using the same server, things can | |
96 | # get really slow. Give gdb at least 3 minutes to start up. | |
97 | # | |
ecd3fd0f | 98 | proc mi_gdb_start { args } { |
fb40c209 AC |
99 | global verbose |
100 | global GDB | |
101 | global GDBFLAGS | |
102 | global gdb_prompt | |
103 | global mi_gdb_prompt | |
104 | global timeout | |
105 | global gdb_spawn_id; | |
106 | global MIFLAGS | |
107 | ||
108 | gdb_stop_suppressing_tests; | |
ecd3fd0f BR |
109 | set inferior_pty no-tty |
110 | ||
111 | if { [llength $args] == 1} { | |
112 | set inferior_pty [lindex $args 0] | |
113 | } | |
114 | ||
115 | set separate_inferior_pty [string match $inferior_pty separate-inferior-tty] | |
fb40c209 | 116 | |
1759b3c3 AC |
117 | # Start SID. |
118 | if { [info procs sid_start] != "" } { | |
119 | verbose "Spawning SID" | |
120 | sid_start | |
121 | } | |
122 | ||
fb40c209 AC |
123 | verbose "Spawning $GDB -nw $GDBFLAGS $MIFLAGS" |
124 | ||
125 | if [info exists gdb_spawn_id] { | |
126 | return 0; | |
127 | } | |
128 | ||
129 | if ![is_remote host] { | |
130 | if { [which $GDB] == 0 } then { | |
131 | perror "$GDB does not exist." | |
132 | exit 1 | |
133 | } | |
134 | } | |
ecd3fd0f BR |
135 | |
136 | # Create the new PTY for the inferior process. | |
137 | if { $separate_inferior_pty } { | |
138 | spawn -pty | |
139 | global mi_inferior_spawn_id | |
140 | global mi_inferior_tty_name | |
141 | set mi_inferior_spawn_id $spawn_id | |
142 | set mi_inferior_tty_name $spawn_out(slave,name) | |
143 | } | |
144 | ||
fb40c209 AC |
145 | set res [remote_spawn host "$GDB -nw $GDBFLAGS $MIFLAGS [host_info gdb_opts]"]; |
146 | if { $res < 0 || $res == "" } { | |
147 | perror "Spawning $GDB failed." | |
148 | return 1; | |
149 | } | |
150 | gdb_expect { | |
1f312e79 JJ |
151 | -re "~\"GNU.*\r\n~\".*$mi_gdb_prompt$" { |
152 | # We have a new format mi startup prompt. If we are | |
153 | # running mi1, then this is an error as we should be | |
154 | # using the old-style prompt. | |
155 | if { $MIFLAGS == "-i=mi1" } { | |
156 | perror "(mi startup) Got unexpected new mi prompt." | |
157 | remote_close host; | |
158 | return -1; | |
159 | } | |
160 | verbose "GDB initialized." | |
161 | } | |
162 | -re "\[^~\].*$mi_gdb_prompt$" { | |
163 | # We have an old format mi startup prompt. If we are | |
164 | # not running mi1, then this is an error as we should be | |
165 | # using the new-style prompt. | |
166 | if { $MIFLAGS != "-i=mi1" } { | |
167 | perror "(mi startup) Got unexpected old mi prompt." | |
168 | remote_close host; | |
169 | return -1; | |
170 | } | |
d20bf2e8 | 171 | verbose "GDB initialized." |
fb40c209 AC |
172 | } |
173 | -re ".*$gdb_prompt $" { | |
174 | untested "Skip mi tests (got non-mi prompt)." | |
175 | remote_close host; | |
176 | return -1; | |
177 | } | |
76c520e0 AC |
178 | -re ".*unrecognized option.*for a complete list of options." { |
179 | untested "Skip mi tests (not compiled with mi support)." | |
180 | remote_close host; | |
181 | return -1; | |
182 | } | |
7d76bd60 MK |
183 | -re ".*Interpreter `mi' unrecognized." { |
184 | untested "Skip mi tests (not compiled with mi support)." | |
185 | remote_close host; | |
186 | return -1; | |
187 | } | |
fb40c209 AC |
188 | timeout { |
189 | perror "(timeout) GDB never initialized after 10 seconds." | |
190 | remote_close host; | |
191 | return -1 | |
192 | } | |
193 | } | |
194 | set gdb_spawn_id -1; | |
195 | ||
196 | # FIXME: mi output does not go through pagers, so these can be removed. | |
197 | # force the height to "unlimited", so no pagers get used | |
198 | send_gdb "100-gdb-set height 0\n" | |
199 | gdb_expect 10 { | |
200 | -re ".*100-gdb-set height 0\r\n100\\\^done\r\n$mi_gdb_prompt$" { | |
201 | verbose "Setting height to 0." 2 | |
202 | } | |
203 | timeout { | |
204 | warning "Couldn't set the height to 0" | |
205 | } | |
206 | } | |
207 | # force the width to "unlimited", so no wraparound occurs | |
208 | send_gdb "101-gdb-set width 0\n" | |
209 | gdb_expect 10 { | |
210 | -re ".*101-gdb-set width 0\r\n101\\\^done\r\n$mi_gdb_prompt$" { | |
211 | verbose "Setting width to 0." 2 | |
212 | } | |
213 | timeout { | |
214 | warning "Couldn't set the width to 0." | |
215 | } | |
216 | } | |
ecd3fd0f BR |
217 | # If allowing the inferior to have its own PTY then assign the inferior |
218 | # its own terminal device here. | |
219 | if { $separate_inferior_pty } { | |
220 | send_gdb "102-inferior-tty-set $mi_inferior_tty_name\n" | |
221 | gdb_expect 10 { | |
222 | -re ".*102\\\^done\r\n$mi_gdb_prompt$" { | |
223 | verbose "redirect inferior output to new terminal device." | |
224 | } | |
225 | timeout { | |
226 | warning "Couldn't redirect inferior output." 2 | |
227 | } | |
228 | } | |
229 | } | |
fb40c209 | 230 | |
fb40c209 AC |
231 | return 0; |
232 | } | |
233 | ||
234 | # Many of the tests depend on setting breakpoints at various places and | |
235 | # running until that breakpoint is reached. At times, we want to start | |
236 | # with a clean-slate with respect to breakpoints, so this utility proc | |
237 | # lets us do this without duplicating this code everywhere. | |
238 | # | |
239 | ||
240 | proc mi_delete_breakpoints {} { | |
241 | global mi_gdb_prompt | |
242 | ||
243 | # FIXME: The mi operation won't accept a prompt back and will use the 'all' arg | |
244 | send_gdb "102-break-delete\n" | |
245 | gdb_expect 30 { | |
246 | -re "Delete all breakpoints.*y or n.*$" { | |
247 | send_gdb "y\n"; | |
248 | exp_continue | |
249 | } | |
39fb8e9e | 250 | -re "102-break-delete\r\n102\\\^done\r\n$mi_gdb_prompt$" { |
fb40c209 AC |
251 | # This happens if there were no breakpoints |
252 | } | |
f1c8a949 | 253 | timeout { perror "Delete all breakpoints in mi_delete_breakpoints (timeout)" ; return } |
fb40c209 AC |
254 | } |
255 | ||
256 | # The correct output is not "No breakpoints or watchpoints." but an | |
257 | # empty BreakpointTable. Also, a query is not acceptable with mi. | |
258 | send_gdb "103-break-list\n" | |
259 | gdb_expect 30 { | |
260 | -re "103-break-list\r\n103\\\^done,BreakpointTable=\{\}\r\n$mi_gdb_prompt$" {} | |
cff22675 | 261 | -re "103-break-list\r\n103\\\^done,BreakpointTable=\{nr_rows=\".\",nr_cols=\".\",hdr=\\\[\{width=\".*\",alignment=\".*\",col_name=\"number\",colhdr=\"Num\"\}.*colhdr=\"Type\".*colhdr=\"Disp\".*colhdr=\"Enb\".*colhdr=\"Address\".*colhdr=\"What\".*\\\],body=\\\[\\\]\}" {} |
fb40c209 AC |
262 | -re "103-break-list\r\n103\\\^doneNo breakpoints or watchpoints.\r\n\r\n$mi_gdb_prompt$" {warning "Unexpected console text received"} |
263 | -re "$mi_gdb_prompt$" { perror "Breakpoints not deleted" ; return } | |
264 | -re "Delete all breakpoints.*or n.*$" { | |
265 | warning "Unexpected prompt for breakpoints deletion"; | |
266 | send_gdb "y\n"; | |
267 | exp_continue | |
268 | } | |
269 | timeout { perror "-break-list (timeout)" ; return } | |
270 | } | |
271 | } | |
272 | ||
273 | proc mi_gdb_reinitialize_dir { subdir } { | |
274 | global mi_gdb_prompt | |
da81390b | 275 | global MIFLAGS |
fb40c209 AC |
276 | |
277 | global suppress_flag | |
278 | if { $suppress_flag } { | |
279 | return | |
280 | } | |
281 | ||
282 | if [is_remote host] { | |
283 | return ""; | |
284 | } | |
285 | ||
da81390b JJ |
286 | if { $MIFLAGS == "-i=mi1" } { |
287 | send_gdb "104-environment-directory\n" | |
288 | gdb_expect 60 { | |
fb40c209 AC |
289 | -re ".*Reinitialize source path to empty.*y or n. " { |
290 | warning "Got confirmation prompt for dir reinitialization." | |
291 | send_gdb "y\n" | |
292 | gdb_expect 60 { | |
293 | -re "$mi_gdb_prompt$" {} | |
294 | timeout {error "Dir reinitialization failed (timeout)"} | |
295 | } | |
296 | } | |
297 | -re "$mi_gdb_prompt$" {} | |
298 | timeout {error "Dir reinitialization failed (timeout)"} | |
da81390b JJ |
299 | } |
300 | } else { | |
301 | send_gdb "104-environment-directory -r\n" | |
302 | gdb_expect 60 { | |
303 | -re "104\\\^done,source-path=.*\r\n$mi_gdb_prompt$" {} | |
304 | -re "$mi_gdb_prompt$" {} | |
305 | timeout {error "Dir reinitialization failed (timeout)"} | |
306 | } | |
fb40c209 AC |
307 | } |
308 | ||
309 | send_gdb "105-environment-directory $subdir\n" | |
310 | gdb_expect 60 { | |
311 | -re "Source directories searched.*$mi_gdb_prompt$" { | |
312 | verbose "Dir set to $subdir" | |
313 | } | |
da81390b | 314 | -re "105\\\^done.*\r\n$mi_gdb_prompt$" { |
fb40c209 AC |
315 | # FIXME: We return just the prompt for now. |
316 | verbose "Dir set to $subdir" | |
317 | # perror "Dir \"$subdir\" failed." | |
318 | } | |
319 | } | |
320 | } | |
321 | ||
da6012e5 DJ |
322 | # Send GDB the "target" command. |
323 | # FIXME: Some of these patterns are not appropriate for MI. Based on | |
324 | # config/monitor.exp:gdb_target_command. | |
325 | proc mi_gdb_target_cmd { targetname serialport } { | |
326 | global mi_gdb_prompt | |
327 | ||
328 | for {set i 1} {$i <= 3} {incr i} { | |
329 | send_gdb "47-target-select $targetname $serialport\n" | |
330 | gdb_expect 60 { | |
331 | -re "47\\^connected.*$mi_gdb_prompt$" { | |
332 | verbose "Set target to $targetname"; | |
333 | return 0; | |
334 | } | |
335 | -re "Couldn't establish connection to remote.*$mi_gdb_prompt$" { | |
336 | verbose "Connection failed"; | |
337 | } | |
338 | -re "Remote MIPS debugging.*$mi_gdb_prompt$" { | |
339 | verbose "Set target to $targetname"; | |
340 | return 0; | |
341 | } | |
342 | -re "Remote debugging using .*$serialport.*$mi_gdb_prompt$" { | |
343 | verbose "Set target to $targetname"; | |
344 | return 0; | |
345 | } | |
346 | -re "Remote target $targetname connected to.*$mi_gdb_prompt$" { | |
347 | verbose "Set target to $targetname"; | |
348 | return 0; | |
349 | } | |
350 | -re "Connected to.*$mi_gdb_prompt$" { | |
351 | verbose "Set target to $targetname"; | |
352 | return 0; | |
353 | } | |
354 | -re "Ending remote.*$mi_gdb_prompt$" { } | |
355 | -re "Connection refused.*$mi_gdb_prompt$" { | |
356 | verbose "Connection refused by remote target. Pausing, and trying again." | |
357 | sleep 5 | |
358 | continue | |
359 | } | |
360 | -re "Timeout reading from remote system.*$mi_gdb_prompt$" { | |
361 | verbose "Got timeout error from gdb."; | |
362 | } | |
363 | timeout { | |
364 | send_gdb "\ 3"; | |
365 | break | |
366 | } | |
367 | } | |
368 | } | |
369 | return 1 | |
370 | } | |
371 | ||
fb40c209 | 372 | # |
da6012e5 | 373 | # load a file into the debugger (file command only). |
fb40c209 AC |
374 | # return a -1 if anything goes wrong. |
375 | # | |
da6012e5 | 376 | proc mi_gdb_file_cmd { arg } { |
fb40c209 AC |
377 | global verbose |
378 | global loadpath | |
379 | global loadfile | |
380 | global GDB | |
381 | global mi_gdb_prompt | |
b53f9b27 | 382 | global last_mi_gdb_file |
da6012e5 | 383 | global last_mi_remote_file |
fb40c209 AC |
384 | upvar timeout timeout |
385 | ||
b53f9b27 MS |
386 | if { $arg == "" } { |
387 | set arg $last_mi_gdb_file; | |
da6012e5 DJ |
388 | } else { |
389 | set last_mi_gdb_file $arg | |
390 | if { [ info exists last_mi_remote_file ] } { | |
391 | unset last_mi_remote_file | |
392 | } | |
b53f9b27 MS |
393 | } |
394 | ||
da6012e5 DJ |
395 | if [is_remote host] { |
396 | set arg [remote_download host $arg]; | |
397 | if { $arg == "" } { | |
398 | error "download failed" | |
399 | return -1; | |
400 | } | |
401 | } | |
fb40c209 | 402 | |
fb40c209 AC |
403 | # FIXME: Several of these patterns are only acceptable for console |
404 | # output. Queries are an error for mi. | |
405 | send_gdb "105-file-exec-and-symbols $arg\n" | |
406 | gdb_expect 120 { | |
407 | -re "Reading symbols from.*done.*$mi_gdb_prompt$" { | |
408 | verbose "\t\tLoaded $arg into the $GDB" | |
da6012e5 | 409 | return 0 |
fb40c209 AC |
410 | } |
411 | -re "has no symbol-table.*$mi_gdb_prompt$" { | |
412 | perror "$arg wasn't compiled with \"-g\"" | |
413 | return -1 | |
414 | } | |
fb40c209 AC |
415 | -re "Load new symbol table from \".*\".*y or n. $" { |
416 | send_gdb "y\n" | |
417 | gdb_expect 120 { | |
418 | -re "Reading symbols from.*done.*$mi_gdb_prompt$" { | |
419 | verbose "\t\tLoaded $arg with new symbol table into $GDB" | |
420 | # All OK | |
421 | } | |
422 | timeout { | |
423 | perror "(timeout) Couldn't load $arg, other program already loaded." | |
424 | return -1 | |
425 | } | |
426 | } | |
427 | } | |
428 | -re "No such file or directory.*$mi_gdb_prompt$" { | |
429 | perror "($arg) No such file or directory\n" | |
430 | return -1 | |
431 | } | |
432 | -re "105-file-exec-and-symbols .*\r\n105\\\^done\r\n$mi_gdb_prompt$" { | |
da6012e5 DJ |
433 | # We (MI) are just giving the prompt back for now, instead of giving |
434 | # some acknowledgement. | |
435 | return 0 | |
436 | } | |
fb40c209 AC |
437 | timeout { |
438 | perror "couldn't load $arg into $GDB (timed out)." | |
439 | return -1 | |
440 | } | |
da6012e5 | 441 | eof { |
fb40c209 AC |
442 | # This is an attempt to detect a core dump, but seems not to |
443 | # work. Perhaps we need to match .* followed by eof, in which | |
444 | # gdb_expect does not seem to have a way to do that. | |
445 | perror "couldn't load $arg into $GDB (end of file)." | |
446 | return -1 | |
447 | } | |
448 | } | |
da6012e5 DJ |
449 | } |
450 | ||
451 | # | |
452 | # load a file into the debugger. | |
453 | # return a -1 if anything goes wrong. | |
454 | # | |
455 | proc mi_gdb_load { arg } { | |
456 | global verbose | |
457 | global loadpath | |
458 | global loadfile | |
459 | global GDB | |
460 | global mi_gdb_prompt | |
461 | upvar timeout timeout | |
462 | ||
463 | # ``gdb_unload'' | |
464 | if { $arg != "" } { | |
465 | mi_gdb_file_cmd $arg | |
466 | } | |
467 | ||
fb40c209 | 468 | # ``load'' |
da6012e5 DJ |
469 | if { [info procs gdbserver_gdb_load] != "" } { |
470 | global last_mi_gdb_file | |
471 | global last_mi_remote_file | |
472 | ||
473 | if { ! [info exists last_mi_remote_file] } { | |
474 | if [is_remote target] { | |
7e813ac5 | 475 | set last_mi_remote_file [remote_download target $arg /tmp/[file tail $arg].[pid]] |
da6012e5 DJ |
476 | } else { |
477 | set last_mi_remote_file $last_mi_gdb_file | |
478 | } | |
479 | } | |
480 | ||
481 | set res [gdbserver_gdb_load $last_mi_remote_file] | |
482 | set protocol [lindex $res 0] | |
483 | set gdbport [lindex $res 1] | |
484 | ||
485 | if { [mi_gdb_target_cmd $protocol $gdbport] != 0 } { | |
486 | return -1 | |
487 | } | |
488 | } elseif { [info procs send_target_sid] != "" } { | |
fb40c209 AC |
489 | # For SID, things get complex |
490 | send_target_sid | |
491 | gdb_expect 60 { | |
2f168eed | 492 | -re "\\^done.*$mi_gdb_prompt$" { |
fb40c209 AC |
493 | } |
494 | timeout { | |
495 | perror "Unable to connect to SID target" | |
496 | return -1 | |
497 | } | |
498 | } | |
499 | send_gdb "48-target-download\n" | |
500 | gdb_expect 10 { | |
501 | -re "48\\^done.*$mi_gdb_prompt$" { | |
502 | } | |
503 | timeout { | |
504 | perror "Unable to download to SID target" | |
505 | return -1 | |
506 | } | |
507 | } | |
508 | } elseif { [target_info protocol] == "sim" } { | |
509 | # For the simulator, just connect to it directly. | |
510 | send_gdb "47-target-select sim\n" | |
511 | gdb_expect 10 { | |
512 | -re "47\\^connected.*$mi_gdb_prompt$" { | |
513 | } | |
514 | timeout { | |
515 | perror "Unable to select sim target" | |
516 | return -1 | |
517 | } | |
518 | } | |
519 | send_gdb "48-target-download\n" | |
520 | gdb_expect 10 { | |
521 | -re "48\\^done.*$mi_gdb_prompt$" { | |
522 | } | |
523 | timeout { | |
524 | perror "Unable to download to sim target" | |
525 | return -1 | |
526 | } | |
527 | } | |
b53f9b27 MS |
528 | } elseif { [target_info gdb_protocol] == "remote" } { |
529 | # remote targets | |
8e3049aa PB |
530 | if { [mi_gdb_target_cmd "remote" [target_info netport]] != 0 } { |
531 | perror "Unable to connect to remote target" | |
532 | return -1 | |
b53f9b27 MS |
533 | } |
534 | send_gdb "48-target-download\n" | |
535 | gdb_expect 10 { | |
536 | -re "48\\^done.*$mi_gdb_prompt$" { | |
537 | } | |
538 | timeout { | |
539 | perror "Unable to download to remote target" | |
540 | return -1 | |
541 | } | |
542 | } | |
fb40c209 AC |
543 | } |
544 | return 0 | |
545 | } | |
546 | ||
ecd3fd0f BR |
547 | # mi_gdb_test COMMAND PATTERN MESSAGE [IPATTERN] -- send a command to gdb; |
548 | # test the result. | |
fb40c209 AC |
549 | # |
550 | # COMMAND is the command to execute, send to GDB with send_gdb. If | |
551 | # this is the null string no command is sent. | |
552 | # PATTERN is the pattern to match for a PASS, and must NOT include | |
553 | # the \r\n sequence immediately before the gdb prompt. | |
f1ea48cb BR |
554 | # MESSAGE is the message to be printed. (If this is the empty string, |
555 | # then sometimes we don't call pass or fail at all; I don't | |
556 | # understand this at all.) | |
ecd3fd0f BR |
557 | # IPATTERN is the pattern to match for the inferior's output. This parameter |
558 | # is optional. If present, it will produce a PASS if the match is | |
559 | # successful, and a FAIL if unsuccessful. | |
fb40c209 AC |
560 | # |
561 | # Returns: | |
562 | # 1 if the test failed, | |
563 | # 0 if the test passes, | |
564 | # -1 if there was an internal error. | |
565 | # | |
566 | proc mi_gdb_test { args } { | |
567 | global verbose | |
568 | global mi_gdb_prompt | |
07c98896 | 569 | global GDB expect_out |
fb40c209 AC |
570 | upvar timeout timeout |
571 | ||
fb40c209 AC |
572 | set command [lindex $args 0] |
573 | set pattern [lindex $args 1] | |
f1ea48cb | 574 | set message [lindex $args 2] |
fb40c209 | 575 | |
ecd3fd0f BR |
576 | if [llength $args]==4 { |
577 | set ipattern [lindex $args 3] | |
578 | } | |
579 | ||
fb40c209 AC |
580 | if [llength $args]==5 { |
581 | set question_string [lindex $args 3]; | |
582 | set response_string [lindex $args 4]; | |
583 | } else { | |
584 | set question_string "^FOOBAR$" | |
585 | } | |
586 | ||
587 | if $verbose>2 then { | |
588 | send_user "Sending \"$command\" to gdb\n" | |
589 | send_user "Looking to match \"$pattern\"\n" | |
590 | send_user "Message is \"$message\"\n" | |
591 | } | |
592 | ||
593 | set result -1 | |
594 | set string "${command}\n"; | |
39fb8e9e BR |
595 | set string_regex [string_to_regexp $command] |
596 | ||
fb40c209 AC |
597 | if { $command != "" } { |
598 | while { "$string" != "" } { | |
599 | set foo [string first "\n" "$string"]; | |
600 | set len [string length "$string"]; | |
601 | if { $foo < [expr $len - 1] } { | |
602 | set str [string range "$string" 0 $foo]; | |
603 | if { [send_gdb "$str"] != "" } { | |
604 | global suppress_flag; | |
605 | ||
606 | if { ! $suppress_flag } { | |
607 | perror "Couldn't send $command to GDB."; | |
608 | } | |
609 | fail "$message"; | |
610 | return $result; | |
611 | } | |
612 | gdb_expect 2 { | |
613 | -re "\[\r\n\]" { } | |
614 | timeout { } | |
615 | } | |
616 | set string [string range "$string" [expr $foo + 1] end]; | |
617 | } else { | |
618 | break; | |
619 | } | |
620 | } | |
621 | if { "$string" != "" } { | |
622 | if { [send_gdb "$string"] != "" } { | |
623 | global suppress_flag; | |
624 | ||
625 | if { ! $suppress_flag } { | |
626 | perror "Couldn't send $command to GDB."; | |
627 | } | |
628 | fail "$message"; | |
629 | return $result; | |
630 | } | |
631 | } | |
632 | } | |
633 | ||
634 | if [info exists timeout] { | |
635 | set tmt $timeout; | |
636 | } else { | |
637 | global timeout; | |
638 | if [info exists timeout] { | |
639 | set tmt $timeout; | |
640 | } else { | |
641 | set tmt 60; | |
642 | } | |
643 | } | |
644 | gdb_expect $tmt { | |
645 | -re "\\*\\*\\* DOSEXIT code.*" { | |
646 | if { $message != "" } { | |
647 | fail "$message"; | |
648 | } | |
649 | gdb_suppress_entire_file "GDB died"; | |
650 | return -1; | |
651 | } | |
652 | -re "Ending remote debugging.*$mi_gdb_prompt\[ \]*$" { | |
653 | if ![isnative] then { | |
654 | warning "Can`t communicate to remote target." | |
655 | } | |
656 | gdb_exit | |
657 | gdb_start | |
658 | set result -1 | |
7ddebc7e | 659 | } |
39fb8e9e BR |
660 | -re "^($string_regex\[\r\n\]+)?($pattern\[\r\n\]+$mi_gdb_prompt\[ \]*)" { |
661 | # At this point, $expect_out(1,string) is the MI input command. | |
662 | # and $expect_out(2,string) is the MI output command. | |
663 | # If $expect_out(1,string) is "", then there was no MI input command here. | |
664 | ||
40e55bef BR |
665 | # NOTE, there is no trailing anchor because with GDB/MI, |
666 | # asynchronous responses can happen at any point, causing more | |
667 | # data to be available. Normally an anchor is used to make | |
668 | # sure the end of the output is matched, however, $mi_gdb_prompt | |
669 | # is just as good of an anchor since mi_gdb_test is meant to | |
670 | # match a single mi output command. If a second GDB/MI output | |
671 | # response is sent, it will be in the buffer for the next | |
672 | # time mi_gdb_test is called. | |
7ddebc7e KS |
673 | if ![string match "" $message] then { |
674 | pass "$message" | |
675 | } | |
676 | set result 0 | |
fb40c209 AC |
677 | } |
678 | -re "(${question_string})$" { | |
679 | send_gdb "$response_string\n"; | |
680 | exp_continue; | |
681 | } | |
682 | -re "Undefined.* command:.*$mi_gdb_prompt\[ \]*$" { | |
683 | perror "Undefined command \"$command\"." | |
684 | fail "$message" | |
685 | set result 1 | |
686 | } | |
687 | -re "Ambiguous command.*$mi_gdb_prompt\[ \]*$" { | |
688 | perror "\"$command\" is not a unique command name." | |
689 | fail "$message" | |
690 | set result 1 | |
fb40c209 AC |
691 | } |
692 | -re "Program exited with code \[0-9\]+.*$mi_gdb_prompt\[ \]*$" { | |
693 | if ![string match "" $message] then { | |
ed4c619a | 694 | set errmsg "$message (the program exited)" |
fb40c209 | 695 | } else { |
ed4c619a | 696 | set errmsg "$command (the program exited)" |
fb40c209 AC |
697 | } |
698 | fail "$errmsg" | |
699 | return -1 | |
700 | } | |
701 | -re "The program is not being run.*$mi_gdb_prompt\[ \]*$" { | |
702 | if ![string match "" $message] then { | |
ed4c619a | 703 | set errmsg "$message (the program is no longer running)" |
fb40c209 | 704 | } else { |
ed4c619a | 705 | set errmsg "$command (the program is no longer running)" |
fb40c209 AC |
706 | } |
707 | fail "$errmsg" | |
708 | return -1 | |
709 | } | |
710 | -re ".*$mi_gdb_prompt\[ \]*$" { | |
711 | if ![string match "" $message] then { | |
712 | fail "$message" | |
713 | } | |
714 | set result 1 | |
715 | } | |
716 | "<return>" { | |
717 | send_gdb "\n" | |
718 | perror "Window too small." | |
719 | fail "$message" | |
720 | } | |
721 | -re "\\(y or n\\) " { | |
722 | send_gdb "n\n" | |
723 | perror "Got interactive prompt." | |
724 | fail "$message" | |
725 | } | |
726 | eof { | |
727 | perror "Process no longer exists" | |
728 | if { $message != "" } { | |
729 | fail "$message" | |
730 | } | |
731 | return -1 | |
732 | } | |
733 | full_buffer { | |
734 | perror "internal buffer is full." | |
735 | fail "$message" | |
736 | } | |
737 | timeout { | |
738 | if ![string match "" $message] then { | |
739 | fail "$message (timeout)" | |
740 | } | |
741 | set result 1 | |
742 | } | |
743 | } | |
ecd3fd0f BR |
744 | |
745 | # If the GDB output matched, compare the inferior output. | |
746 | if { $result == 0 } { | |
747 | if [ info exists ipattern ] { | |
748 | global mi_inferior_spawn_id | |
749 | expect { | |
750 | -i $mi_inferior_spawn_id -re "$ipattern" { | |
751 | pass "inferior_output:$message" | |
752 | } | |
753 | timeout { | |
754 | fail "inferior output timeout" | |
755 | set result 1 | |
756 | } | |
757 | } | |
758 | } | |
759 | } | |
760 | ||
fb40c209 AC |
761 | return $result |
762 | } | |
763 | ||
764 | # | |
765 | # MI run command. (A modified version of gdb_run_cmd) | |
766 | # | |
767 | ||
768 | # In patterns, the newline sequence ``\r\n'' is matched explicitly as | |
769 | # ``.*$'' could swallow up output that we attempt to match elsewhere. | |
770 | ||
771 | proc mi_run_cmd {args} { | |
772 | global suppress_flag | |
773 | if { $suppress_flag } { | |
774 | return -1 | |
775 | } | |
776 | global mi_gdb_prompt | |
777 | ||
778 | if [target_info exists gdb_init_command] { | |
779 | send_gdb "[target_info gdb_init_command]\n"; | |
780 | gdb_expect 30 { | |
781 | -re "$mi_gdb_prompt$" { } | |
782 | default { | |
783 | perror "gdb_init_command for target failed"; | |
784 | return; | |
785 | } | |
786 | } | |
787 | } | |
788 | ||
789 | if [target_info exists use_gdb_stub] { | |
790 | if [target_info exists gdb,do_reload_on_run] { | |
791 | # Specifying no file, defaults to the executable | |
792 | # currently being debugged. | |
793 | if { [mi_gdb_load ""] < 0 } { | |
794 | return; | |
795 | } | |
796 | send_gdb "000-exec-continue\n"; | |
797 | gdb_expect 60 { | |
1df0c130 | 798 | -re "000\\^running\[\r\n\]+$mi_gdb_prompt$" {} |
fb40c209 AC |
799 | default {} |
800 | } | |
801 | return; | |
802 | } | |
6a90e1d0 AC |
803 | |
804 | if [target_info exists gdb,start_symbol] { | |
805 | set start [target_info gdb,start_symbol]; | |
806 | } else { | |
807 | set start "start"; | |
808 | } | |
809 | ||
810 | # HACK: Should either use 000-jump or fix the target code | |
811 | # to better handle RUN. | |
812 | send_gdb "jump *$start\n" | |
813 | warning "Using CLI jump command, expect run-to-main FAIL" | |
814 | return | |
fb40c209 AC |
815 | } |
816 | ||
817 | send_gdb "000-exec-run $args\n" | |
818 | gdb_expect { | |
819 | -re "000\\^running\r\n${mi_gdb_prompt}" { | |
820 | } | |
821 | timeout { | |
822 | perror "Unable to start target" | |
823 | return | |
824 | } | |
825 | } | |
2d0720d9 | 826 | # NOTE: Shortly after this there will be a ``000*stopped,...(gdb)'' |
fb40c209 AC |
827 | } |
828 | ||
829 | # | |
830 | # Just like run-to-main but works with the MI interface | |
831 | # | |
832 | ||
833 | proc mi_run_to_main { } { | |
834 | global suppress_flag | |
835 | if { $suppress_flag } { | |
836 | return -1 | |
837 | } | |
838 | ||
fb40c209 AC |
839 | global srcdir |
840 | global subdir | |
841 | global binfile | |
842 | global srcfile | |
843 | ||
fb40c209 AC |
844 | mi_delete_breakpoints |
845 | mi_gdb_reinitialize_dir $srcdir/$subdir | |
846 | mi_gdb_load ${binfile} | |
847 | ||
08b468e0 KS |
848 | mi_runto main |
849 | } | |
fb40c209 | 850 | |
08b468e0 KS |
851 | |
852 | # Just like gdb's "runto" proc, it will run the target to a given | |
853 | # function. The big difference here between mi_runto and mi_execute_to | |
854 | # is that mi_execute_to must have the inferior running already. This | |
855 | # proc will (like gdb's runto) (re)start the inferior, too. | |
856 | # | |
857 | # FUNC is the linespec of the place to stop (it inserts a breakpoint here). | |
858 | # It returns: | |
859 | # -1 if test suppressed, failed, timedout | |
860 | # 0 if test passed | |
861 | ||
f7e97bb3 | 862 | proc mi_runto_helper {func run_or_continue} { |
08b468e0 KS |
863 | global suppress_flag |
864 | if { $suppress_flag } { | |
865 | return -1 | |
866 | } | |
867 | ||
868 | global mi_gdb_prompt expect_out | |
76ff342d | 869 | global hex decimal fullname_syntax |
08b468e0 KS |
870 | |
871 | set test "mi runto $func" | |
038224f6 VP |
872 | mi_gdb_test "200-break-insert -t $func" \ |
873 | "200\\^done,bkpt=\{number=\"\[0-9\]+\",type=\"breakpoint\",disp=\"del\",enabled=\"y\",addr=\"$hex\",func=\"$func\(\\\(.*\\\)\)?\",file=\".*\",line=\"\[0-9\]*\",times=\"0\"\}" \ | |
08b468e0 KS |
874 | "breakpoint at $func" |
875 | ||
876 | if {![regexp {number="[0-9]+"} $expect_out(buffer) str] | |
877 | || ![scan $str {number="%d"} bkptno]} { | |
878 | set bkptno {[0-9]+} | |
879 | } | |
880 | ||
f7e97bb3 VP |
881 | if {$run_or_continue == "run"} { |
882 | mi_run_cmd | |
883 | } else { | |
74a44383 DJ |
884 | send_gdb "000-exec-continue\n" |
885 | gdb_expect { | |
886 | -re "000\\^running\r\n${mi_gdb_prompt}" { | |
887 | } | |
888 | timeout { | |
889 | fail "$test" | |
890 | return -1 | |
891 | } | |
892 | } | |
f7e97bb3 | 893 | } |
74a44383 | 894 | |
08b468e0 | 895 | gdb_expect { |
038224f6 | 896 | -re ".*000\\*stopped,thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\"$func\",args=\(\\\[.*\\\]\|\{.*\}\),file=\".*\",fullname=\"${fullname_syntax}.*\",line=\"\[0-9\]*\"\}\r\n$mi_gdb_prompt$" { |
08b468e0 KS |
897 | pass "$test" |
898 | return 0 | |
899 | } | |
900 | -re ".*$mi_gdb_prompt$" { | |
901 | fail "$test (2)" | |
902 | } | |
903 | timeout { | |
904 | fail "$test (timeout)" | |
905 | return -1 | |
906 | } | |
907 | } | |
fb40c209 AC |
908 | } |
909 | ||
f7e97bb3 VP |
910 | proc mi_runto {func} { |
911 | mi_runto_helper $func "run" | |
912 | } | |
fb40c209 AC |
913 | |
914 | # Next to the next statement | |
08b468e0 | 915 | # For return values, see mi_execute_to_helper |
fb40c209 AC |
916 | |
917 | proc mi_next { test } { | |
dc360f58 | 918 | return [mi_next_to {.*} {.*} {.*} {.*} $test] |
fb40c209 AC |
919 | } |
920 | ||
921 | ||
922 | # Step to the next statement | |
08b468e0 | 923 | # For return values, see mi_execute_to_helper |
fb40c209 AC |
924 | |
925 | proc mi_step { test } { | |
dc360f58 | 926 | return [mi_step_to {.*} {.*} {.*} {.*} $test] |
fb40c209 | 927 | } |
dcf95b47 DJ |
928 | |
929 | # cmd should not include the number or newline (i.e. "exec-step 3", not | |
930 | # "220-exec-step 3\n" | |
931 | ||
1902c51f DJ |
932 | # Can not match -re ".*\r\n${mi_gdb_prompt}", because of false positives |
933 | # after the first prompt is printed. | |
934 | ||
08b468e0 | 935 | proc mi_execute_to_helper { cmd reason func args file line extra test } { |
dcf95b47 DJ |
936 | global suppress_flag |
937 | if { $suppress_flag } { | |
938 | return -1 | |
939 | } | |
940 | global mi_gdb_prompt | |
941 | global hex | |
942 | global decimal | |
76ff342d | 943 | global fullname_syntax |
dcf95b47 DJ |
944 | send_gdb "220-$cmd\n" |
945 | gdb_expect { | |
39fb8e9e | 946 | -re "220\\^running\r\n${mi_gdb_prompt}.*220\\*stopped,reason=\"$reason\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\"$func\",args=$args,file=\".*$file\",fullname=\"${fullname_syntax}$file\",line=\"$line\"\}$extra\r\n$mi_gdb_prompt$" { |
dcf95b47 DJ |
947 | pass "$test" |
948 | return 0 | |
949 | } | |
39fb8e9e | 950 | -re "220\\^running\r\n${mi_gdb_prompt}.*220\\*stopped,reason=\"$reason\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\".*\",args=\[\\\[\{\].*\[\\\]\}\],file=\".*\",fullname=\"${fullname_syntax}.*\",line=\"\[0-9\]*\"\}.*\r\n$mi_gdb_prompt$" { |
dcf95b47 DJ |
951 | fail "$test (stopped at wrong place)" |
952 | return -1 | |
953 | } | |
954 | -re "220\\^running\r\n${mi_gdb_prompt}.*\r\n${mi_gdb_prompt}$" { | |
955 | fail "$test (unknown output after running)" | |
956 | return -1 | |
957 | } | |
dcf95b47 DJ |
958 | timeout { |
959 | fail "$test (timeout)" | |
960 | return -1 | |
961 | } | |
962 | } | |
963 | } | |
964 | ||
08b468e0 KS |
965 | proc mi_execute_to { cmd reason func args file line extra test } { |
966 | mi_execute_to_helper "$cmd" "$reason" "$func" "\\\[$args\\\]" \ | |
dcf95b47 DJ |
967 | "$file" "$line" "$extra" "$test" |
968 | } | |
969 | ||
970 | proc mi_next_to { func args file line test } { | |
08b468e0 | 971 | mi_execute_to "exec-next" "end-stepping-range" "$func" "$args" \ |
dcf95b47 DJ |
972 | "$file" "$line" "" "$test" |
973 | } | |
974 | ||
975 | proc mi_step_to { func args file line test } { | |
08b468e0 | 976 | mi_execute_to "exec-step" "end-stepping-range" "$func" "$args" \ |
dcf95b47 DJ |
977 | "$file" "$line" "" "$test" |
978 | } | |
979 | ||
980 | proc mi_finish_to { func args file line result ret test } { | |
08b468e0 | 981 | mi_execute_to "exec-finish" "function-finished" "$func" "$args" \ |
dcf95b47 DJ |
982 | "$file" "$line" \ |
983 | ",gdb-result-var=\"$result\",return-value=\"$ret\"" \ | |
984 | "$test" | |
985 | } | |
986 | ||
f7e97bb3 VP |
987 | proc mi_continue_to {func} { |
988 | mi_runto_helper $func "continue" | |
dcf95b47 DJ |
989 | } |
990 | ||
08b468e0 KS |
991 | proc mi0_execute_to { cmd reason func args file line extra test } { |
992 | mi_execute_to_helper "$cmd" "$reason" "$func" "\{$args\}" \ | |
dcf95b47 DJ |
993 | "$file" "$line" "$extra" "$test" |
994 | } | |
995 | ||
996 | proc mi0_next_to { func args file line test } { | |
08b468e0 | 997 | mi0_execute_to "exec-next" "end-stepping-range" "$func" "$args" \ |
dcf95b47 DJ |
998 | "$file" "$line" "" "$test" |
999 | } | |
1000 | ||
1001 | proc mi0_step_to { func args file line test } { | |
08b468e0 | 1002 | mi0_execute_to "exec-step" "end-stepping-range" "$func" "$args" \ |
dcf95b47 DJ |
1003 | "$file" "$line" "" "$test" |
1004 | } | |
1005 | ||
1006 | proc mi0_finish_to { func args file line result ret test } { | |
08b468e0 | 1007 | mi0_execute_to "exec-finish" "function-finished" "$func" "$args" \ |
dcf95b47 DJ |
1008 | "$file" "$line" \ |
1009 | ",gdb-result-var=\"$result\",return-value=\"$ret\"" \ | |
1010 | "$test" | |
1011 | } | |
1012 | ||
1013 | proc mi0_continue_to { bkptno func args file line test } { | |
08b468e0 | 1014 | mi0_execute_to "exec-continue" "breakpoint-hit\",bkptno=\"$bkptno" \ |
dcf95b47 DJ |
1015 | "$func" "$args" "$file" "$line" "" "$test" |
1016 | } | |
b26ed50d VP |
1017 | |
1018 | # Creates varobj named NAME for EXPRESSION. | |
1019 | # Name cannot be "-". | |
1020 | proc mi_create_varobj { name expression testname } { | |
1021 | mi_gdb_test "-var-create $name * $expression" \ | |
1022 | "\\^done,name=\"$name\",numchild=\"\[0-9\]+\",type=.*" \ | |
1023 | $testname | |
1024 | } | |
1025 | ||
1026 | # Updates varobj named NAME and checks that all varobjs in EXPECTED | |
1027 | # are reported as updated, and no other varobj is updated. | |
1028 | # Assumes that no varobj is out of scope and that no varobj changes | |
1029 | # types. | |
1030 | proc mi_varobj_update { name expected testname } { | |
1031 | set er "\\^done,changelist=\\\[" | |
1032 | set first 1 | |
1033 | foreach item $expected { | |
1034 | set v "{name=\"$item\",in_scope=\"true\",type_changed=\"false\"}" | |
1035 | if {$first} { | |
1036 | set er "$er$v" | |
1037 | } else { | |
1038 | set er "$er,$v" | |
1039 | } | |
1040 | } | |
1041 | set er "$er\\\]" | |
1042 | ||
1043 | verbose -log "Expecting: $er" 2 | |
1044 | mi_gdb_test "-var-update $name" $er $testname | |
1045 | } | |
1046 | ||
1047 | proc mi_check_varobj_value { name value testname } { | |
1048 | ||
1049 | mi_gdb_test "-var-evaluate-expression $name" \ | |
1050 | "\\^done,value=\"$value\"" \ | |
1051 | $testname | |
1052 | } | |
038224f6 VP |
1053 | |
1054 | # Check the results of the: | |
1055 | # | |
1056 | # -var-list-children VARNAME | |
1057 | # | |
1058 | # command. The CHILDREN parement should be a list of lists. | |
1059 | # Each inner list can have either 3 or 4 elements, describing | |
1060 | # fields that gdb is expected to report for child variable object, | |
1061 | # in the following order | |
1062 | # | |
1063 | # - Name | |
1064 | # - Expression | |
1065 | # - Number of children | |
1066 | # - Type | |
1067 | # | |
1068 | # If inner list has 3 elements, the gdb is expected to output no | |
1069 | # type for a child. | |
1070 | # | |
1071 | proc mi_list_varobj_children { varname children testname } { | |
1072 | ||
1073 | set numchildren [llength $children] | |
1074 | set children_exp {} | |
1075 | set whatever "\"\[^\"\]+\"" | |
1076 | ||
1077 | foreach item $children { | |
1078 | ||
1079 | set name [lindex $item 0] | |
1080 | set exp [lindex $item 1] | |
1081 | set numchild [lindex $item 2] | |
1082 | if {[llength $item] == 4} { | |
1083 | set type [lindex $item 3] | |
1084 | ||
1085 | lappend children_exp\ | |
1086 | "child={name=\"$name\",exp=\"$exp\",numchild=\"$numchild\",type=\"$type\"}" | |
1087 | } else { | |
1088 | lappend children_exp\ | |
1089 | "child={name=\"$name\",exp=\"$exp\",numchild=\"$numchild\"}" | |
1090 | } | |
1091 | } | |
1092 | set children_exp_j [join $children_exp ","] | |
1093 | set expected "\\^done,numchild=\"$numchildren\",children=\\\[$children_exp_j\\\]" | |
1094 | ||
1095 | verbose -log "Expecting: $expected" | |
1096 | ||
1097 | mi_gdb_test "-var-list-children $varname" $expected $testname | |
1098 | } | |
2d0720d9 VP |
1099 | |
1100 | # A list of two-element lists. First element of each list is | |
1101 | # a Tcl statement, and the second element is the line | |
1102 | # number of source C file where the statement originates. | |
1103 | set mi_autotest_data "" | |
1104 | # The name of the source file for autotesting. | |
1105 | set mi_autotest_source "" | |
1106 | ||
1107 | proc count_newlines { string } { | |
1108 | return [regexp -all "\n" $string] | |
1109 | } | |
1110 | ||
1111 | # Prepares for running inline tests in FILENAME. | |
1112 | # See comments for mi_run_inline_test for detailed | |
1113 | # explanation of the idea and syntax. | |
1114 | proc mi_prepare_inline_tests { filename } { | |
1115 | ||
1116 | global srcdir | |
1117 | global subdir | |
1118 | global mi_autotest_source | |
1119 | global mi_autotest_data | |
1120 | ||
1121 | set mi_autotest_data {} | |
1122 | ||
1123 | set mi_autotest_source $filename | |
1124 | ||
1125 | if { ! [regexp "^/" "$filename"] } then { | |
1126 | set filename "$srcdir/$subdir/$filename" | |
1127 | } | |
1128 | ||
1129 | set chan [open $filename] | |
1130 | set content [read $chan] | |
1131 | set line_number 1 | |
1132 | while {1} { | |
1133 | set start [string first "/*:" $content] | |
1134 | if {$start != -1} { | |
1135 | set end [string first ":*/" $content] | |
1136 | if {$end == -1} { | |
1137 | error "Unterminated special comment in $filename" | |
1138 | } | |
1139 | ||
1140 | set prefix [string range $content 0 $start] | |
1141 | set prefix_newlines [count_newlines $prefix] | |
1142 | ||
1143 | set line_number [expr $line_number+$prefix_newlines] | |
1144 | set comment_line $line_number | |
1145 | ||
1146 | set comment [string range $content [expr $start+3] [expr $end-1]] | |
1147 | ||
1148 | set comment_newlines [count_newlines $comment] | |
1149 | set line_number [expr $line_number+$comment_newlines] | |
1150 | ||
1151 | set comment [string trim $comment] | |
1152 | set content [string range $content [expr $end+3] \ | |
1153 | [string length $content]] | |
1154 | lappend mi_autotest_data [list $comment $comment_line] | |
1155 | } else { | |
1156 | break | |
1157 | } | |
1158 | } | |
1159 | close $chan | |
1160 | } | |
1161 | ||
1162 | # Helper to mi_run_inline_test below. | |
1163 | # Return the list of all (statement,line_number) lists | |
1164 | # that comprise TESTCASE. The begin and end markers | |
1165 | # are not included. | |
1166 | proc mi_get_inline_test {testcase} { | |
1167 | ||
1168 | global mi_gdb_prompt | |
1169 | global mi_autotest_data | |
1170 | global mi_autotest_source | |
1171 | ||
1172 | set result {} | |
1173 | ||
1174 | set seen_begin 0 | |
1175 | set seen_end 0 | |
1176 | foreach l $mi_autotest_data { | |
1177 | ||
1178 | set comment [lindex $l 0] | |
1179 | ||
1180 | if {$comment == "BEGIN: $testcase"} { | |
1181 | set seen_begin 1 | |
1182 | } elseif {$comment == "END: $testcase"} { | |
1183 | set seen_end 1 | |
1184 | break | |
1185 | } elseif {$seen_begin==1} { | |
1186 | lappend result $l | |
1187 | } | |
1188 | } | |
1189 | ||
1190 | if {$seen_begin == 0} { | |
1191 | error "Autotest $testcase not found" | |
1192 | } | |
1193 | ||
1194 | if {$seen_begin == 1 && $seen_end == 0} { | |
1195 | error "Missing end marker for test $testcase" | |
1196 | } | |
1197 | ||
1198 | return $result | |
1199 | } | |
1200 | ||
1201 | # Sets temporary breakpoint at LOCATION. | |
1202 | proc mi_tbreak {location} { | |
1203 | ||
1204 | global mi_gdb_prompt | |
1205 | ||
1206 | mi_gdb_test "-break-insert -t $location" \ | |
1207 | {\^done,bkpt=.*} \ | |
1208 | "run to $location (set breakpoint)" | |
1209 | } | |
1210 | ||
1211 | # Send COMMAND that must be a command that resumes | |
1212 | # the inferiour (run/continue/next/etc) and consumes | |
1213 | # the "^running" output from it. | |
1214 | proc mi_send_resuming_command {command test} { | |
1215 | ||
1216 | global mi_gdb_prompt | |
1217 | ||
1218 | send_gdb "220-$command\n" | |
1219 | gdb_expect { | |
1220 | -re "220\\^running\r\n${mi_gdb_prompt}" { | |
1221 | } | |
1222 | timeout { | |
1223 | fail $test | |
1224 | } | |
1225 | } | |
1226 | } | |
1227 | ||
1228 | # Helper to mi_run_inline_test below. | |
1229 | # Sets a temporary breakpoint at LOCATION and runs | |
1230 | # the program using COMMAND. When the program is stopped | |
1231 | # returns the line at which it. Returns -1 if line cannot | |
1232 | # be determined. | |
1233 | # Does not check that the line is the same as requested. | |
1234 | # The caller can check itself if required. | |
1235 | proc mi_continue_to_line {location command} { | |
1236 | ||
1237 | mi_tbreak $location | |
1238 | mi_send_resuming_command "exec-continue" "run to $location (exec-continue)" | |
1239 | return [mi_wait_for_stop] | |
1240 | } | |
1241 | ||
1242 | # Wait until gdb prints the current line. | |
1243 | proc mi_wait_for_stop {test} { | |
1244 | ||
1245 | global mi_gdb_prompt | |
1246 | ||
1247 | gdb_expect { | |
1248 | -re ".*line=\"(.*)\".*\r\n$mi_gdb_prompt$" { | |
1249 | return $expect_out(1,string) | |
1250 | } | |
1251 | -re ".*$mi_gdb_prompt$" { | |
1252 | fail "wait for stop ($test)" | |
1253 | } | |
1254 | timeout { | |
1255 | fail "wait for stop ($test)" | |
1256 | } | |
1257 | } | |
1258 | } | |
1259 | ||
1260 | # Run a MI test embedded in comments in a C file. | |
1261 | # The C file should contain special comments in the following | |
1262 | # three forms: | |
1263 | # | |
1264 | # /*: BEGIN: testname :*/ | |
1265 | # /*: <Tcl statements> :*/ | |
1266 | # /*: END: testname :*/ | |
1267 | # | |
1268 | # This procedure find the begin and end marker for the requested | |
1269 | # test. Then, a temporary breakpoint is set at the begin | |
1270 | # marker and the program is run (from start). | |
1271 | # | |
1272 | # After that, for each special comment between the begin and end | |
1273 | # marker, the Tcl statements are executed. It is assumed that | |
1274 | # for each comment, the immediately preceding line is executable | |
1275 | # C statement. Then, gdb will be single-stepped until that | |
1276 | # preceding C statement is executed, and after that the | |
1277 | # Tcl statements in the comment will be executed. | |
1278 | # | |
1279 | # For example: | |
1280 | # | |
1281 | # /*: BEGIN: assignment-test :*/ | |
1282 | # v = 10; | |
1283 | # /*: <Tcl code to check that 'v' is indeed 10 :*/ | |
1284 | # /*: END: assignment-test :*/ | |
1285 | # | |
1286 | # The mi_prepare_inline_tests function should be called before | |
1287 | # calling this function. A given C file can contain several | |
1288 | # inline tests. The names of the tests must be unique within one | |
1289 | # C file. | |
1290 | # | |
1291 | proc mi_run_inline_test { testcase } { | |
1292 | ||
1293 | global mi_gdb_prompt | |
1294 | global hex | |
1295 | global decimal | |
1296 | global fullname_syntax | |
1297 | global mi_autotest_source | |
1298 | ||
1299 | set commands [mi_get_inline_test $testcase] | |
1300 | ||
1301 | set first 1 | |
1302 | set line_now 1 | |
1303 | ||
1304 | foreach c $commands { | |
1305 | set statements [lindex $c 0] | |
1306 | set line [lindex $c 1] | |
1307 | set line [expr $line-1] | |
1308 | ||
1309 | # We want gdb to be stopped at the expression immediately | |
1310 | # before the comment. If this is the first comment, the | |
1311 | # program is either not started yet or is in some random place, | |
1312 | # so we run it. For further comments, we might be already | |
1313 | # standing at the right line. If not continue till the | |
1314 | # right line. | |
1315 | ||
1316 | if {$first==1} { | |
1317 | # Start the program afresh. | |
1318 | mi_tbreak "$mi_autotest_source:$line" | |
1319 | mi_run_cmd | |
1320 | set line_now [mi_wait_for_stop "$testcase: step to $line"] | |
1321 | set first 0 | |
1322 | } elseif {$line_now!=$line} { | |
1323 | set line_now [mi_continue_to_line "$mi_autotest_source:$line"] | |
1324 | } | |
1325 | ||
1326 | if {$line_now!=$line} { | |
1327 | fail "$testcase: go to line $line" | |
1328 | } | |
1329 | ||
1330 | # We're not at the statement right above the comment. | |
1331 | # Execute that statement so that the comment can test | |
1332 | # the state after the statement is executed. | |
1333 | ||
1334 | # Single-step past the line. | |
1335 | mi_send_resuming_command "exec-next" "$testcase: step over $line" | |
1336 | set line_now [mi_wait_for_stop "$testcase: step over $line"] | |
1337 | ||
1338 | # We probably want to use 'uplevel' so that statements | |
1339 | # have direct access to global variables that the | |
1340 | # main 'exp' file has set up. But it's not yet clear, | |
1341 | # will need more experience to be sure. | |
1342 | eval $statements | |
1343 | } | |
1344 | } |