gdb
[deliverable/binutils-gdb.git] / gdb / testsuite / lib / mi-support.exp
CommitLineData
7b6bb8da 1# Copyright 1999, 2000, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
6aba47ca 2# Free Software Foundation, Inc.
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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
e22f8b7c 6# the Free Software Foundation; either version 3 of the License, or
fb40c209 7# (at your option) any later version.
e22f8b7c 8#
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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.
e22f8b7c 13#
fb40c209 14# You should have received a copy of the GNU General Public License
e22f8b7c 15# along with this program. If not, see <http://www.gnu.org/licenses/>.
fb40c209 16
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17# This file was based on a file written by Fred Fish. (fnf@cygnus.com)
18
19# Test setup routines that work with the MI interpreter.
20
21# The variable mi_gdb_prompt is a regexp which matches the gdb mi prompt.
22# Set it if it is not already set.
23global mi_gdb_prompt
24if ![info exists mi_gdb_prompt] then {
25 set mi_gdb_prompt "\[(\]gdb\[)\] \r\n"
26}
27
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28global mi_inferior_spawn_id
29global mi_inferior_tty_name
30
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31set MIFLAGS "-i=mi"
32
84a02e58 33set thread_selected_re "=thread-selected,id=\"\[0-9\]+\"\r\n"
c86cf029 34set library_loaded_re "=library-loaded\[^\n\]+\"\r\n"
ca539be8 35set breakpoint_re "=(?:breakpoint-created|breakpoint-deleted)\[^\n\]+\"\r\n"
66bb093b 36
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37#
38# mi_gdb_exit -- exit the GDB, killing the target program if necessary
39#
40proc mi_gdb_exit {} {
41 catch mi_uncatched_gdb_exit
42}
43
44proc mi_uncatched_gdb_exit {} {
45 global GDB
6b8ce727 46 global INTERNAL_GDBFLAGS GDBFLAGS
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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
6b8ce727 63 verbose "Quitting $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $MIFLAGS"
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64
65 if { [is_remote host] && [board_info host exists fileid] } {
66 send_gdb "999-gdb-exit\n";
67 gdb_expect 10 {
68 -re "y or n" {
69 send_gdb "y\n";
70 exp_continue;
71 }
72 -re "Undefined command.*$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#
79732189 88# default_mi_gdb_start [INFERIOR_PTY] -- start gdb running, default procedure
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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.
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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#
79732189 98proc default_mi_gdb_start { args } {
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99 global verbose
100 global GDB
6b8ce727 101 global INTERNAL_GDBFLAGS GDBFLAGS
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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;
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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
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117 # Start SID.
118 if { [info procs sid_start] != "" } {
119 verbose "Spawning SID"
120 sid_start
121 }
122
6b8ce727 123 verbose "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $MIFLAGS"
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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 }
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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 $spawn_out(slave,name)
143 }
144
6b8ce727 145 set res [remote_spawn host "$GDB $INTERNAL_GDBFLAGS $GDBFLAGS $MIFLAGS [host_info gdb_opts]"];
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146 if { $res < 0 || $res == "" } {
147 perror "Spawning $GDB failed."
148 return 1;
149 }
150 gdb_expect {
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151 -re "~\"GNU.*\r\n~\".*$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 { $MIFLAGS != "-i=mi1" } {
167 perror "(mi startup) Got unexpected old mi prompt."
168 remote_close host;
169 return -1;
170 }
d20bf2e8 171 verbose "GDB initialized."
fb40c209 172 }
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173 -re ".*unrecognized option.*for a complete list of options." {
174 untested "Skip mi tests (not compiled with mi support)."
175 remote_close host;
176 return -1;
177 }
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178 -re ".*Interpreter `mi' unrecognized." {
179 untested "Skip mi tests (not compiled with mi support)."
180 remote_close host;
181 return -1;
182 }
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183 timeout {
184 perror "(timeout) GDB never initialized after 10 seconds."
185 remote_close host;
186 return -1
187 }
188 }
189 set gdb_spawn_id -1;
190
191 # FIXME: mi output does not go through pagers, so these can be removed.
192 # force the height to "unlimited", so no pagers get used
193 send_gdb "100-gdb-set height 0\n"
194 gdb_expect 10 {
195 -re ".*100-gdb-set height 0\r\n100\\\^done\r\n$mi_gdb_prompt$" {
196 verbose "Setting height to 0." 2
197 }
198 timeout {
199 warning "Couldn't set the height to 0"
200 }
201 }
202 # force the width to "unlimited", so no wraparound occurs
203 send_gdb "101-gdb-set width 0\n"
204 gdb_expect 10 {
205 -re ".*101-gdb-set width 0\r\n101\\\^done\r\n$mi_gdb_prompt$" {
206 verbose "Setting width to 0." 2
207 }
208 timeout {
209 warning "Couldn't set the width to 0."
210 }
211 }
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212 # If allowing the inferior to have its own PTY then assign the inferior
213 # its own terminal device here.
214 if { $separate_inferior_pty } {
215 send_gdb "102-inferior-tty-set $mi_inferior_tty_name\n"
216 gdb_expect 10 {
217 -re ".*102\\\^done\r\n$mi_gdb_prompt$" {
218 verbose "redirect inferior output to new terminal device."
219 }
220 timeout {
221 warning "Couldn't redirect inferior output." 2
222 }
223 }
224 }
fb40c209 225
fcdfa280 226 mi_detect_async
f7f9a841 227
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228 return 0;
229}
230
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231#
232# Overridable function. You can override this function in your
233# baseboard file.
234#
235proc mi_gdb_start { args } {
236 return [default_mi_gdb_start $args]
237}
238
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239# Many of the tests depend on setting breakpoints at various places and
240# running until that breakpoint is reached. At times, we want to start
241# with a clean-slate with respect to breakpoints, so this utility proc
242# lets us do this without duplicating this code everywhere.
243#
244
245proc mi_delete_breakpoints {} {
246 global mi_gdb_prompt
247
248# FIXME: The mi operation won't accept a prompt back and will use the 'all' arg
249 send_gdb "102-break-delete\n"
250 gdb_expect 30 {
251 -re "Delete all breakpoints.*y or n.*$" {
252 send_gdb "y\n";
253 exp_continue
254 }
39fb8e9e 255 -re "102-break-delete\r\n102\\\^done\r\n$mi_gdb_prompt$" {
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256 # This happens if there were no breakpoints
257 }
f1c8a949 258 timeout { perror "Delete all breakpoints in mi_delete_breakpoints (timeout)" ; return }
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259 }
260
261# The correct output is not "No breakpoints or watchpoints." but an
262# empty BreakpointTable. Also, a query is not acceptable with mi.
263 send_gdb "103-break-list\n"
264 gdb_expect 30 {
265 -re "103-break-list\r\n103\\\^done,BreakpointTable=\{\}\r\n$mi_gdb_prompt$" {}
6f3f3097 266 -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=\\\[\\\]\}\r\n$mi_gdb_prompt$" {}
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267 -re "103-break-list\r\n103\\\^doneNo breakpoints or watchpoints.\r\n\r\n$mi_gdb_prompt$" {warning "Unexpected console text received"}
268 -re "$mi_gdb_prompt$" { perror "Breakpoints not deleted" ; return }
269 -re "Delete all breakpoints.*or n.*$" {
270 warning "Unexpected prompt for breakpoints deletion";
271 send_gdb "y\n";
272 exp_continue
273 }
274 timeout { perror "-break-list (timeout)" ; return }
275 }
276}
277
278proc mi_gdb_reinitialize_dir { subdir } {
279 global mi_gdb_prompt
da81390b 280 global MIFLAGS
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281
282 global suppress_flag
283 if { $suppress_flag } {
284 return
285 }
286
287 if [is_remote host] {
288 return "";
289 }
290
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291 if { $MIFLAGS == "-i=mi1" } {
292 send_gdb "104-environment-directory\n"
293 gdb_expect 60 {
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294 -re ".*Reinitialize source path to empty.*y or n. " {
295 warning "Got confirmation prompt for dir reinitialization."
296 send_gdb "y\n"
297 gdb_expect 60 {
298 -re "$mi_gdb_prompt$" {}
299 timeout {error "Dir reinitialization failed (timeout)"}
300 }
301 }
302 -re "$mi_gdb_prompt$" {}
303 timeout {error "Dir reinitialization failed (timeout)"}
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JJ
304 }
305 } else {
306 send_gdb "104-environment-directory -r\n"
307 gdb_expect 60 {
308 -re "104\\\^done,source-path=.*\r\n$mi_gdb_prompt$" {}
309 -re "$mi_gdb_prompt$" {}
310 timeout {error "Dir reinitialization failed (timeout)"}
311 }
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312 }
313
314 send_gdb "105-environment-directory $subdir\n"
315 gdb_expect 60 {
316 -re "Source directories searched.*$mi_gdb_prompt$" {
317 verbose "Dir set to $subdir"
318 }
da81390b 319 -re "105\\\^done.*\r\n$mi_gdb_prompt$" {
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320 # FIXME: We return just the prompt for now.
321 verbose "Dir set to $subdir"
322 # perror "Dir \"$subdir\" failed."
323 }
324 }
325}
326
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327# Send GDB the "target" command.
328# FIXME: Some of these patterns are not appropriate for MI. Based on
329# config/monitor.exp:gdb_target_command.
330proc mi_gdb_target_cmd { targetname serialport } {
331 global mi_gdb_prompt
332
ef783a7d 333 set serialport_re [string_to_regexp $serialport]
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DJ
334 for {set i 1} {$i <= 3} {incr i} {
335 send_gdb "47-target-select $targetname $serialport\n"
336 gdb_expect 60 {
56a8e183 337 -re "47\\^connected.*$mi_gdb_prompt" {
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DJ
338 verbose "Set target to $targetname";
339 return 0;
340 }
401ea829
JB
341 -re "unknown host.*$mi_gdb_prompt" {
342 verbose "Couldn't look up $serialport"
343 }
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344 -re "Couldn't establish connection to remote.*$mi_gdb_prompt$" {
345 verbose "Connection failed";
346 }
347 -re "Remote MIPS debugging.*$mi_gdb_prompt$" {
348 verbose "Set target to $targetname";
349 return 0;
350 }
ef783a7d 351 -re "Remote debugging using .*$serialport_re.*$mi_gdb_prompt$" {
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DJ
352 verbose "Set target to $targetname";
353 return 0;
354 }
355 -re "Remote target $targetname connected to.*$mi_gdb_prompt$" {
356 verbose "Set target to $targetname";
357 return 0;
358 }
359 -re "Connected to.*$mi_gdb_prompt$" {
360 verbose "Set target to $targetname";
361 return 0;
362 }
363 -re "Ending remote.*$mi_gdb_prompt$" { }
364 -re "Connection refused.*$mi_gdb_prompt$" {
365 verbose "Connection refused by remote target. Pausing, and trying again."
366 sleep 5
367 continue
368 }
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PA
369 -re "Non-stop mode requested, but remote does not support non-stop.*$mi_gdb_prompt" {
370 unsupported "Non-stop mode not supported"
371 return 1
372 }
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373 -re "Timeout reading from remote system.*$mi_gdb_prompt$" {
374 verbose "Got timeout error from gdb.";
375 }
376 timeout {
377 send_gdb "\ 3";
378 break
379 }
380 }
381 }
382 return 1
383}
384
fb40c209 385#
da6012e5 386# load a file into the debugger (file command only).
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387# return a -1 if anything goes wrong.
388#
da6012e5 389proc mi_gdb_file_cmd { arg } {
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390 global verbose
391 global loadpath
392 global loadfile
393 global GDB
394 global mi_gdb_prompt
b741e217 395 global last_loaded_file
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396 upvar timeout timeout
397
b741e217 398 set last_loaded_file $arg
b53f9b27 399
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DJ
400 if [is_remote host] {
401 set arg [remote_download host $arg];
402 if { $arg == "" } {
403 error "download failed"
404 return -1;
405 }
406 }
fb40c209 407
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AC
408# FIXME: Several of these patterns are only acceptable for console
409# output. Queries are an error for mi.
410 send_gdb "105-file-exec-and-symbols $arg\n"
411 gdb_expect 120 {
412 -re "Reading symbols from.*done.*$mi_gdb_prompt$" {
413 verbose "\t\tLoaded $arg into the $GDB"
da6012e5 414 return 0
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415 }
416 -re "has no symbol-table.*$mi_gdb_prompt$" {
417 perror "$arg wasn't compiled with \"-g\""
418 return -1
419 }
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420 -re "Load new symbol table from \".*\".*y or n. $" {
421 send_gdb "y\n"
422 gdb_expect 120 {
423 -re "Reading symbols from.*done.*$mi_gdb_prompt$" {
424 verbose "\t\tLoaded $arg with new symbol table into $GDB"
425 # All OK
426 }
427 timeout {
428 perror "(timeout) Couldn't load $arg, other program already loaded."
429 return -1
430 }
431 }
432 }
433 -re "No such file or directory.*$mi_gdb_prompt$" {
434 perror "($arg) No such file or directory\n"
435 return -1
436 }
437 -re "105-file-exec-and-symbols .*\r\n105\\\^done\r\n$mi_gdb_prompt$" {
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438 # We (MI) are just giving the prompt back for now, instead of giving
439 # some acknowledgement.
440 return 0
441 }
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442 timeout {
443 perror "couldn't load $arg into $GDB (timed out)."
444 return -1
445 }
da6012e5 446 eof {
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447 # This is an attempt to detect a core dump, but seems not to
448 # work. Perhaps we need to match .* followed by eof, in which
449 # gdb_expect does not seem to have a way to do that.
450 perror "couldn't load $arg into $GDB (end of file)."
451 return -1
452 }
453 }
da6012e5
DJ
454}
455
456#
b741e217 457# connect to the target and download a file, if necessary.
da6012e5
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458# return a -1 if anything goes wrong.
459#
b741e217 460proc mi_gdb_target_load { } {
da6012e5
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461 global verbose
462 global loadpath
463 global loadfile
464 global GDB
465 global mi_gdb_prompt
e2d69cb5
JZ
466
467 if [target_info exists gdb_load_timeout] {
468 set loadtimeout [target_info gdb_load_timeout]
469 } else {
470 set loadtimeout 1600
471 }
da6012e5 472
da6012e5 473 if { [info procs gdbserver_gdb_load] != "" } {
2226f861 474 mi_gdb_test "kill" ".*" ""
b741e217 475 set res [gdbserver_gdb_load]
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DJ
476 set protocol [lindex $res 0]
477 set gdbport [lindex $res 1]
478
479 if { [mi_gdb_target_cmd $protocol $gdbport] != 0 } {
480 return -1
481 }
482 } elseif { [info procs send_target_sid] != "" } {
fb40c209 483 # For SID, things get complex
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484 send_gdb "kill\n"
485 gdb_expect 10 {
486 -re ".*$mi_gdb_prompt$"
487 }
fb40c209 488 send_target_sid
e2d69cb5 489 gdb_expect $loadtimeout {
2f168eed 490 -re "\\^done.*$mi_gdb_prompt$" {
fb40c209
AC
491 }
492 timeout {
e2d69cb5 493 perror "Unable to connect to SID target (timeout)"
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494 return -1
495 }
496 }
497 send_gdb "48-target-download\n"
e2d69cb5 498 gdb_expect $loadtimeout {
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499 -re "48\\^done.*$mi_gdb_prompt$" {
500 }
501 timeout {
e2d69cb5 502 perror "Unable to download to SID target (timeout)"
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503 return -1
504 }
505 }
506 } elseif { [target_info protocol] == "sim" } {
507 # For the simulator, just connect to it directly.
508 send_gdb "47-target-select sim\n"
e2d69cb5 509 gdb_expect $loadtimeout {
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510 -re "47\\^connected.*$mi_gdb_prompt$" {
511 }
512 timeout {
e2d69cb5 513 perror "Unable to select sim target (timeout)"
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514 return -1
515 }
516 }
517 send_gdb "48-target-download\n"
e2d69cb5 518 gdb_expect $loadtimeout {
fb40c209
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519 -re "48\\^done.*$mi_gdb_prompt$" {
520 }
521 timeout {
e2d69cb5 522 perror "Unable to download to sim target (timeout)"
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523 return -1
524 }
525 }
b53f9b27
MS
526 } elseif { [target_info gdb_protocol] == "remote" } {
527 # remote targets
8e3049aa
PB
528 if { [mi_gdb_target_cmd "remote" [target_info netport]] != 0 } {
529 perror "Unable to connect to remote target"
530 return -1
b53f9b27
MS
531 }
532 send_gdb "48-target-download\n"
e2d69cb5 533 gdb_expect $loadtimeout {
b53f9b27
MS
534 -re "48\\^done.*$mi_gdb_prompt$" {
535 }
536 timeout {
e2d69cb5 537 perror "Unable to download to remote target (timeout)"
b53f9b27
MS
538 return -1
539 }
540 }
fb40c209
AC
541 }
542 return 0
543}
544
b741e217
DJ
545#
546# load a file into the debugger.
547# return a -1 if anything goes wrong.
548#
549proc mi_gdb_load { arg } {
550 if { $arg != "" } {
551 return [mi_gdb_file_cmd $arg]
552 }
553 return 0
554}
555
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556# mi_gdb_test COMMAND PATTERN MESSAGE [IPATTERN] -- send a command to gdb;
557# test the result.
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558#
559# COMMAND is the command to execute, send to GDB with send_gdb. If
560# this is the null string no command is sent.
561# PATTERN is the pattern to match for a PASS, and must NOT include
562# the \r\n sequence immediately before the gdb prompt.
f1ea48cb
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563# MESSAGE is the message to be printed. (If this is the empty string,
564# then sometimes we don't call pass or fail at all; I don't
565# understand this at all.)
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566# IPATTERN is the pattern to match for the inferior's output. This parameter
567# is optional. If present, it will produce a PASS if the match is
568# successful, and a FAIL if unsuccessful.
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AC
569#
570# Returns:
571# 1 if the test failed,
572# 0 if the test passes,
573# -1 if there was an internal error.
574#
575proc mi_gdb_test { args } {
576 global verbose
577 global mi_gdb_prompt
07c98896 578 global GDB expect_out
405e54e9 579 global inferior_exited_re async
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AC
580 upvar timeout timeout
581
fb40c209
AC
582 set command [lindex $args 0]
583 set pattern [lindex $args 1]
f1ea48cb 584 set message [lindex $args 2]
fb40c209 585
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BR
586 if [llength $args]==4 {
587 set ipattern [lindex $args 3]
588 }
589
fb40c209
AC
590 if [llength $args]==5 {
591 set question_string [lindex $args 3];
592 set response_string [lindex $args 4];
593 } else {
594 set question_string "^FOOBAR$"
595 }
596
597 if $verbose>2 then {
598 send_user "Sending \"$command\" to gdb\n"
599 send_user "Looking to match \"$pattern\"\n"
600 send_user "Message is \"$message\"\n"
601 }
602
603 set result -1
604 set string "${command}\n";
39fb8e9e
BR
605 set string_regex [string_to_regexp $command]
606
fb40c209
AC
607 if { $command != "" } {
608 while { "$string" != "" } {
609 set foo [string first "\n" "$string"];
610 set len [string length "$string"];
611 if { $foo < [expr $len - 1] } {
612 set str [string range "$string" 0 $foo];
613 if { [send_gdb "$str"] != "" } {
614 global suppress_flag;
615
616 if { ! $suppress_flag } {
617 perror "Couldn't send $command to GDB.";
618 }
619 fail "$message";
620 return $result;
621 }
622 gdb_expect 2 {
623 -re "\[\r\n\]" { }
624 timeout { }
625 }
626 set string [string range "$string" [expr $foo + 1] end];
627 } else {
628 break;
629 }
630 }
631 if { "$string" != "" } {
632 if { [send_gdb "$string"] != "" } {
633 global suppress_flag;
634
635 if { ! $suppress_flag } {
636 perror "Couldn't send $command to GDB.";
637 }
638 fail "$message";
639 return $result;
640 }
641 }
642 }
643
644 if [info exists timeout] {
645 set tmt $timeout;
646 } else {
647 global timeout;
648 if [info exists timeout] {
649 set tmt $timeout;
650 } else {
651 set tmt 60;
652 }
653 }
405e54e9
JK
654 if {$async} {
655 # With $prompt_re "" there may come arbitrary asynchronous response
656 # from the previous command, before or after $string_regex.
657 set string_regex ".*"
658 }
9d81d21b 659 verbose -log "Expecting: ^($string_regex\[\r\n\]+)?($pattern\[\r\n\]+$mi_gdb_prompt\[ \]*)"
fb40c209
AC
660 gdb_expect $tmt {
661 -re "\\*\\*\\* DOSEXIT code.*" {
662 if { $message != "" } {
663 fail "$message";
664 }
665 gdb_suppress_entire_file "GDB died";
666 return -1;
667 }
668 -re "Ending remote debugging.*$mi_gdb_prompt\[ \]*$" {
669 if ![isnative] then {
670 warning "Can`t communicate to remote target."
671 }
672 gdb_exit
673 gdb_start
674 set result -1
7ddebc7e 675 }
405e54e9 676 -re "^($string_regex\[\r\n\]+)?($pattern\[\r\n\]+$mi_gdb_prompt\[ \]*)" {
39fb8e9e
BR
677 # At this point, $expect_out(1,string) is the MI input command.
678 # and $expect_out(2,string) is the MI output command.
679 # If $expect_out(1,string) is "", then there was no MI input command here.
680
40e55bef
BR
681 # NOTE, there is no trailing anchor because with GDB/MI,
682 # asynchronous responses can happen at any point, causing more
683 # data to be available. Normally an anchor is used to make
684 # sure the end of the output is matched, however, $mi_gdb_prompt
685 # is just as good of an anchor since mi_gdb_test is meant to
686 # match a single mi output command. If a second GDB/MI output
687 # response is sent, it will be in the buffer for the next
688 # time mi_gdb_test is called.
7ddebc7e
KS
689 if ![string match "" $message] then {
690 pass "$message"
691 }
692 set result 0
fb40c209
AC
693 }
694 -re "(${question_string})$" {
695 send_gdb "$response_string\n";
696 exp_continue;
697 }
698 -re "Undefined.* command:.*$mi_gdb_prompt\[ \]*$" {
699 perror "Undefined command \"$command\"."
700 fail "$message"
701 set result 1
702 }
703 -re "Ambiguous command.*$mi_gdb_prompt\[ \]*$" {
704 perror "\"$command\" is not a unique command name."
705 fail "$message"
706 set result 1
fb40c209 707 }
fda326dd 708 -re "$inferior_exited_re with code \[0-9\]+.*$mi_gdb_prompt\[ \]*$" {
fb40c209 709 if ![string match "" $message] then {
ed4c619a 710 set errmsg "$message (the program exited)"
fb40c209 711 } else {
ed4c619a 712 set errmsg "$command (the program exited)"
fb40c209
AC
713 }
714 fail "$errmsg"
715 return -1
716 }
717 -re "The program is not being run.*$mi_gdb_prompt\[ \]*$" {
718 if ![string match "" $message] then {
ed4c619a 719 set errmsg "$message (the program is no longer running)"
fb40c209 720 } else {
ed4c619a 721 set errmsg "$command (the program is no longer running)"
fb40c209
AC
722 }
723 fail "$errmsg"
724 return -1
725 }
726 -re ".*$mi_gdb_prompt\[ \]*$" {
727 if ![string match "" $message] then {
728 fail "$message"
729 }
730 set result 1
731 }
732 "<return>" {
733 send_gdb "\n"
734 perror "Window too small."
735 fail "$message"
736 }
737 -re "\\(y or n\\) " {
738 send_gdb "n\n"
739 perror "Got interactive prompt."
740 fail "$message"
741 }
742 eof {
743 perror "Process no longer exists"
744 if { $message != "" } {
745 fail "$message"
746 }
747 return -1
748 }
749 full_buffer {
750 perror "internal buffer is full."
751 fail "$message"
752 }
753 timeout {
754 if ![string match "" $message] then {
755 fail "$message (timeout)"
756 }
757 set result 1
758 }
759 }
ecd3fd0f
BR
760
761 # If the GDB output matched, compare the inferior output.
762 if { $result == 0 } {
763 if [ info exists ipattern ] {
d084b331
DJ
764 if { ![target_info exists gdb,noinferiorio] } {
765 global mi_inferior_spawn_id
766 expect {
767 -i $mi_inferior_spawn_id -re "$ipattern" {
768 pass "$message inferior output"
769 }
770 timeout {
771 fail "$message inferior output (timeout)"
772 set result 1
773 }
ecd3fd0f 774 }
d084b331
DJ
775 } else {
776 unsupported "$message inferior output"
ecd3fd0f
BR
777 }
778 }
779 }
780
fb40c209
AC
781 return $result
782}
783
784#
785# MI run command. (A modified version of gdb_run_cmd)
786#
787
788# In patterns, the newline sequence ``\r\n'' is matched explicitly as
789# ``.*$'' could swallow up output that we attempt to match elsewhere.
790
36dfb11c 791proc mi_run_cmd_full {use_mi_command args} {
fb40c209
AC
792 global suppress_flag
793 if { $suppress_flag } {
794 return -1
795 }
796 global mi_gdb_prompt
66bb093b 797 global thread_selected_re
c86cf029 798 global library_loaded_re
fb40c209 799
36dfb11c
TT
800 if {$use_mi_command} {
801 set run_prefix "220-exec-"
802 set run_match "220"
803 } else {
804 set run_prefix ""
805 set run_match ""
806 }
807
fb40c209
AC
808 if [target_info exists gdb_init_command] {
809 send_gdb "[target_info gdb_init_command]\n";
810 gdb_expect 30 {
811 -re "$mi_gdb_prompt$" { }
812 default {
813 perror "gdb_init_command for target failed";
56a8e183 814 return -1;
fb40c209
AC
815 }
816 }
817 }
818
b741e217 819 if { [mi_gdb_target_load] < 0 } {
56a8e183 820 return -1
b741e217
DJ
821 }
822
fb40c209
AC
823 if [target_info exists use_gdb_stub] {
824 if [target_info exists gdb,do_reload_on_run] {
36dfb11c 825 send_gdb "${run_prefix}continue\n";
fb40c209 826 gdb_expect 60 {
36dfb11c 827 -re "${run_match}\\^running\[\r\n\]+\\*running,thread-id=\"\[^\"\]+\"\r\n$mi_gdb_prompt" {}
fb40c209
AC
828 default {}
829 }
56a8e183 830 return 0;
fb40c209 831 }
6a90e1d0
AC
832
833 if [target_info exists gdb,start_symbol] {
834 set start [target_info gdb,start_symbol];
835 } else {
836 set start "start";
837 }
838
839 # HACK: Should either use 000-jump or fix the target code
840 # to better handle RUN.
841 send_gdb "jump *$start\n"
842 warning "Using CLI jump command, expect run-to-main FAIL"
56a8e183 843 return 0
fb40c209
AC
844 }
845
36dfb11c 846 send_gdb "${run_prefix}run $args\n"
fb40c209 847 gdb_expect {
36dfb11c 848 -re "${run_match}\\^running\r\n(\\*running,thread-id=\"\[^\"\]+\"\r\n|=thread-created,id=\"1\",group-id=\"\[0-9\]+\"\r\n)*(${library_loaded_re})*(${thread_selected_re})?${mi_gdb_prompt}" {
fb40c209 849 }
56a8e183
PA
850 -re "\\^error,msg=\"The target does not support running in non-stop mode.\"" {
851 unsupported "Non-stop mode not supported"
852 return -1
853 }
fb40c209
AC
854 timeout {
855 perror "Unable to start target"
56a8e183 856 return -1
fb40c209
AC
857 }
858 }
2d0720d9 859 # NOTE: Shortly after this there will be a ``000*stopped,...(gdb)''
56a8e183
PA
860
861 return 0
fb40c209
AC
862}
863
36dfb11c
TT
864# A wrapper for mi_run_cmd_full which uses -exec-run and
865# -exec-continue, as appropriate. ARGS are passed verbatim to
866# mi_run_cmd_full.
867proc mi_run_cmd {args} {
868 return [eval mi_run_cmd_full 1 $args]
869}
870
871# A wrapper for mi_run_cmd_full which uses the CLI commands 'run' and
872# 'continue', as appropriate. ARGS are passed verbatim to
873# mi_run_cmd_full.
874proc mi_run_with_cli {args} {
875 return [eval mi_run_cmd_full 0 $args]
876}
877
fb40c209
AC
878#
879# Just like run-to-main but works with the MI interface
880#
881
882proc mi_run_to_main { } {
883 global suppress_flag
884 if { $suppress_flag } {
885 return -1
886 }
887
fb40c209
AC
888 global srcdir
889 global subdir
890 global binfile
891 global srcfile
892
fb40c209
AC
893 mi_delete_breakpoints
894 mi_gdb_reinitialize_dir $srcdir/$subdir
895 mi_gdb_load ${binfile}
896
08b468e0
KS
897 mi_runto main
898}
fb40c209 899
08b468e0
KS
900
901# Just like gdb's "runto" proc, it will run the target to a given
902# function. The big difference here between mi_runto and mi_execute_to
903# is that mi_execute_to must have the inferior running already. This
904# proc will (like gdb's runto) (re)start the inferior, too.
905#
906# FUNC is the linespec of the place to stop (it inserts a breakpoint here).
907# It returns:
908# -1 if test suppressed, failed, timedout
909# 0 if test passed
910
f7e97bb3 911proc mi_runto_helper {func run_or_continue} {
08b468e0
KS
912 global suppress_flag
913 if { $suppress_flag } {
914 return -1
915 }
916
917 global mi_gdb_prompt expect_out
76ff342d 918 global hex decimal fullname_syntax
08b468e0
KS
919
920 set test "mi runto $func"
038224f6 921 mi_gdb_test "200-break-insert -t $func" \
d24317b4 922 "200\\^done,bkpt=\{number=\"\[0-9\]+\",type=\"breakpoint\",disp=\"del\",enabled=\"y\",addr=\"$hex\",func=\"$func\(\\\(.*\\\)\)?\",file=\".*\",line=\"\[0-9\]*\",times=\"0\",original-location=\".*\"\}" \
08b468e0
KS
923 "breakpoint at $func"
924
925 if {![regexp {number="[0-9]+"} $expect_out(buffer) str]
926 || ![scan $str {number="%d"} bkptno]} {
927 set bkptno {[0-9]+}
928 }
929
f7e97bb3 930 if {$run_or_continue == "run"} {
56a8e183
PA
931 if { [mi_run_cmd] < 0 } {
932 return -1
933 }
f7e97bb3 934 } else {
bb378428 935 mi_send_resuming_command "exec-continue" "$test"
f7e97bb3 936 }
74a44383 937
18ac113b 938 mi_expect_stop "breakpoint-hit" $func ".*" ".*" "\[0-9\]+" { "" "disp=\"del\"" } $test
fb40c209
AC
939}
940
f7e97bb3 941proc mi_runto {func} {
56a8e183 942 return [mi_runto_helper $func "run"]
f7e97bb3 943}
fb40c209
AC
944
945# Next to the next statement
08b468e0 946# For return values, see mi_execute_to_helper
fb40c209
AC
947
948proc mi_next { test } {
dc360f58 949 return [mi_next_to {.*} {.*} {.*} {.*} $test]
fb40c209
AC
950}
951
952
953# Step to the next statement
08b468e0 954# For return values, see mi_execute_to_helper
fb40c209
AC
955
956proc mi_step { test } {
dc360f58 957 return [mi_step_to {.*} {.*} {.*} {.*} $test]
fb40c209 958}
dcf95b47 959
f7f9a841
VP
960set async "unknown"
961
fcdfa280 962proc mi_detect_async {} {
f7f9a841
VP
963 global async
964 global mi_gdb_prompt
965
c6ebd6cf 966 send_gdb "show target-async\n"
f7f9a841 967
a2840c35 968 gdb_expect {
c6ebd6cf 969 -re ".*Controlling the inferior in asynchronous mode is on...*$mi_gdb_prompt$" {
a2840c35
VP
970 set async 1
971 }
972 -re ".*$mi_gdb_prompt$" {
973 set async 0
974 }
975 timeout {
976 set async 0
f7f9a841
VP
977 }
978 }
979 return $async
980}
981
bb378428
VP
982# Wait for MI *stopped notification to appear.
983# The REASON, FUNC, ARGS, FILE and LINE are regular expressions
984# to match against whatever is output in *stopped. ARGS should
985# not include [] the list of argument is enclosed in, and other
986# regular expressions should not include quotes.
987# If EXTRA is a list of one element, it's the regular expression
988# for output expected right after *stopped, and before GDB prompt.
989# If EXTRA is a list of two elements, the first element is for
990# output right after *stopped, and the second element is output
991# right after reason field. The regex after reason should not include
992# the comma separating it from the following fields.
993#
994# When we fail to match output at all, -1 is returned. Otherwise,
995# the line at which we stop is returned. This is useful when exact
996# line is not possible to specify for some reason -- one can pass
d0b76dc6
DJ
997# the .* or "\[0-9\]*" regexps for line, and then check the line
998# programmatically.
999#
1000# Do not pass .* for any argument if you are expecting more than one stop.
bb378428 1001proc mi_expect_stop { reason func args file line extra test } {
1902c51f 1002
dcf95b47
DJ
1003 global mi_gdb_prompt
1004 global hex
1005 global decimal
76ff342d 1006 global fullname_syntax
f7f9a841 1007 global async
66bb093b 1008 global thread_selected_re
8d3788bd 1009 global breakpoint_re
bb378428
VP
1010
1011 set after_stopped ""
1012 set after_reason ""
1013 if { [llength $extra] == 2 } {
1014 set after_stopped [lindex $extra 0]
1015 set after_reason [lindex $extra 1]
1016 set after_reason "${after_reason},"
1017 } elseif { [llength $extra] == 1 } {
1018 set after_stopped [lindex $extra 0]
1019 }
1020
f7f9a841
VP
1021 if {$async} {
1022 set prompt_re ""
1023 } else {
d0b76dc6 1024 set prompt_re "$mi_gdb_prompt$"
f7f9a841
VP
1025 }
1026
1027 if { $reason == "really-no-reason" } {
1028 gdb_expect {
d0b76dc6 1029 -re "\\*stopped\r\n$prompt_re" {
f7f9a841
VP
1030 pass "$test"
1031 }
1032 timeout {
1033 fail "$test (unknown output after running)"
1034 }
1035 }
1036 return
1037 }
1038
bb378428
VP
1039 if { $reason == "exited-normally" } {
1040
1041 gdb_expect {
d0b76dc6 1042 -re "\\*stopped,reason=\"exited-normally\"\r\n$prompt_re" {
bb378428
VP
1043 pass "$test"
1044 }
1045 -re ".*$mi_gdb_prompt$" {fail "continue to end (2)"}
1046 timeout {
1047 fail "$test (unknown output after running)"
1048 }
1049 }
1050 return
1051 }
1052
1053 set args "\\\[$args\\\]"
1054
1055 set bn ""
1056 if { $reason == "breakpoint-hit" } {
1057 set bn {bkptno="[0-9]+",}
1058 }
1059
1060 set r ""
1061 if { $reason != "" } {
1062 set r "reason=\"$reason\","
1063 }
1064
18ac113b
AR
1065
1066 set a $after_reason
1067
d0b76dc6
DJ
1068 set any "\[^\n\]*"
1069
8d3788bd 1070 verbose -log "mi_expect_stop: expecting: \\*stopped,${r}${a}${bn}frame=\{addr=\"$hex\",func=\"$func\",args=$args,file=\"$any$file\",fullname=\"${fullname_syntax}$file\",line=\"$line\"\}$after_stopped,thread-id=\"$decimal\",stopped-threads=$any\r\n($thread_selected_re|$breakpoint_re)*$prompt_re"
dcf95b47 1071 gdb_expect {
8d3788bd 1072 -re "\\*stopped,${r}${a}${bn}frame=\{addr=\"$hex\",func=\"$func\",args=$args,file=\"$any$file\",fullname=\"${fullname_syntax}$file\",line=\"($line)\"\}$after_stopped,thread-id=\"$decimal\",stopped-threads=$any\r\n($thread_selected_re|$breakpoint_re)*$prompt_re" {
dcf95b47 1073 pass "$test"
bb378428 1074 return $expect_out(2,string)
dcf95b47 1075 }
c7b1f0d9 1076 -re "\\*stopped,${r}${a}${bn}frame=\{addr=\"$hex\",func=\"$any\",args=\[\\\[\{\]$any\[\\\]\}\],file=\"$any\",fullname=\"${fullname_syntax}$any\",line=\"\[0-9\]*\"\}$after_stopped,thread-id=\"$decimal\",stopped-threads=$any\r\n($thread_selected_re|$breakpoint_re)*$prompt_re" {
8cf6e61a 1077 verbose -log "got $expect_out(buffer)"
dcf95b47
DJ
1078 fail "$test (stopped at wrong place)"
1079 return -1
1080 }
f7f9a841 1081 -re ".*\r\n$mi_gdb_prompt$" {
8cf6e61a 1082 verbose -log "got $expect_out(buffer)"
dcf95b47
DJ
1083 fail "$test (unknown output after running)"
1084 return -1
1085 }
dcf95b47
DJ
1086 timeout {
1087 fail "$test (timeout)"
1088 return -1
1089 }
bb378428 1090 }
dcf95b47
DJ
1091}
1092
1ad15515
PA
1093# Wait for MI *stopped notification related to an interrupt request to
1094# appear.
1095proc mi_expect_interrupt { test } {
1096 global mi_gdb_prompt
1097 global decimal
1098 global async
1099
1100 if {$async} {
1101 set prompt_re ""
1102 } else {
1103 set prompt_re "$mi_gdb_prompt$"
1104 }
1105
252fbfc8 1106 set r "reason=\"signal-received\",signal-name=\"0\",signal-meaning=\"Signal 0\""
1ad15515
PA
1107
1108 set any "\[^\n\]*"
1109
1110 # A signal can land anywhere, just ignore the location
1d33d6ba 1111 verbose -log "mi_expect_interrupt: expecting: \\*stopped,${r}$any\r\n$prompt_re"
1ad15515 1112 gdb_expect {
1d33d6ba 1113 -re "\\*stopped,${r}$any\r\n$prompt_re" {
1ad15515
PA
1114 pass "$test"
1115 return 0;
1116 }
1117 -re ".*\r\n$mi_gdb_prompt$" {
1118 verbose -log "got $expect_out(buffer)"
1119 fail "$test (unknown output after running)"
1120 return -1
1121 }
1122 timeout {
1123 fail "$test (timeout)"
1124 return -1
1125 }
1126 }
1127}
1128
bb378428
VP
1129# cmd should not include the number or newline (i.e. "exec-step 3", not
1130# "220-exec-step 3\n"
1131
1132# Can not match -re ".*\r\n${mi_gdb_prompt}", because of false positives
1133# after the first prompt is printed.
1134
08b468e0 1135proc mi_execute_to { cmd reason func args file line extra test } {
bb378428
VP
1136 global suppress_flag
1137 if { $suppress_flag } {
1138 return -1
1139 }
1140
1141 mi_send_resuming_command "$cmd" "$test"
1142 set r [mi_expect_stop $reason $func $args $file $line $extra $test]
1143 return $r
dcf95b47
DJ
1144}
1145
1146proc mi_next_to { func args file line test } {
08b468e0 1147 mi_execute_to "exec-next" "end-stepping-range" "$func" "$args" \
dcf95b47
DJ
1148 "$file" "$line" "" "$test"
1149}
1150
1151proc mi_step_to { func args file line test } {
08b468e0 1152 mi_execute_to "exec-step" "end-stepping-range" "$func" "$args" \
dcf95b47
DJ
1153 "$file" "$line" "" "$test"
1154}
1155
1156proc mi_finish_to { func args file line result ret test } {
08b468e0 1157 mi_execute_to "exec-finish" "function-finished" "$func" "$args" \
dcf95b47
DJ
1158 "$file" "$line" \
1159 ",gdb-result-var=\"$result\",return-value=\"$ret\"" \
1160 "$test"
1161}
1162
f7e97bb3
VP
1163proc mi_continue_to {func} {
1164 mi_runto_helper $func "continue"
dcf95b47
DJ
1165}
1166
08b468e0
KS
1167proc mi0_execute_to { cmd reason func args file line extra test } {
1168 mi_execute_to_helper "$cmd" "$reason" "$func" "\{$args\}" \
dcf95b47
DJ
1169 "$file" "$line" "$extra" "$test"
1170}
1171
1172proc mi0_next_to { func args file line test } {
08b468e0 1173 mi0_execute_to "exec-next" "end-stepping-range" "$func" "$args" \
dcf95b47
DJ
1174 "$file" "$line" "" "$test"
1175}
1176
1177proc mi0_step_to { func args file line test } {
08b468e0 1178 mi0_execute_to "exec-step" "end-stepping-range" "$func" "$args" \
dcf95b47
DJ
1179 "$file" "$line" "" "$test"
1180}
1181
1182proc mi0_finish_to { func args file line result ret test } {
08b468e0 1183 mi0_execute_to "exec-finish" "function-finished" "$func" "$args" \
dcf95b47
DJ
1184 "$file" "$line" \
1185 ",gdb-result-var=\"$result\",return-value=\"$ret\"" \
1186 "$test"
1187}
1188
1189proc mi0_continue_to { bkptno func args file line test } {
08b468e0 1190 mi0_execute_to "exec-continue" "breakpoint-hit\",bkptno=\"$bkptno" \
dcf95b47
DJ
1191 "$func" "$args" "$file" "$line" "" "$test"
1192}
b26ed50d 1193
d24317b4
VP
1194# Creates a breakpoint and checks the reported fields are as expected
1195proc mi_create_breakpoint { location number disp func file line address test } {
1196 verbose -log "Expecting: 222\\^done,bkpt=\{number=\"$number\",type=\"breakpoint\",disp=\"$disp\",enabled=\"y\",addr=\"$address\",func=\"$func\",file=\"$file\",fullname=\".*\",line=\"$line\",times=\"0\",original-location=\".*\"\}"
1197 mi_gdb_test "222-break-insert $location" \
1198 "222\\^done,bkpt=\{number=\"$number\",type=\"breakpoint\",disp=\"$disp\",enabled=\"y\",addr=\"$address\",func=\"$func\",file=\"$file\",fullname=\".*\",line=\"$line\",times=\"0\",original-location=\".*\"\}" \
1199 $test
1200}
1201
1202proc mi_list_breakpoints { expected test } {
1203 set fullname ".*"
1204
1205 set body ""
1206 set first 1
1207
48cb2d85 1208 foreach item $expected {
d24317b4
VP
1209 if {$first == 0} {
1210 set body "$body,"
48cb2d85 1211 set first 0
d24317b4 1212 }
d24317b4
VP
1213 set number [lindex $item 0]
1214 set disp [lindex $item 1]
1215 set func [lindex $item 2]
48cb2d85
VP
1216 set file [lindex $item 3]
1217 set line [lindex $item 4]
1218 set address [lindex $item 5]
1219 set body "${body}bkpt=\{number=\"$number\",type=\"breakpoint\",disp=\"$disp\",enabled=\"y\",addr=\"$address\",func=\"$func\",file=\".*$file\",${fullname},line=\"$line\",times=\"0\",original-location=\".*\"\}"
d24317b4
VP
1220 set first 0
1221 }
1222
48cb2d85 1223 verbose -log "Expecting: 666\\\^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=\\\[$body\\\]\}"
d24317b4
VP
1224 mi_gdb_test "666-break-list" \
1225 "666\\\^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=\\\[$body\\\]\}" \
1226 $test
1227}
1228
b26ed50d
VP
1229# Creates varobj named NAME for EXPRESSION.
1230# Name cannot be "-".
1231proc mi_create_varobj { name expression testname } {
1232 mi_gdb_test "-var-create $name * $expression" \
0cc7d26f 1233 "\\^done,name=\"$name\",numchild=\"\[0-9\]+\",value=\".*\",type=.*,has_more=\"0\"" \
b26ed50d
VP
1234 $testname
1235}
1236
fcacd99f
VP
1237proc mi_create_floating_varobj { name expression testname } {
1238 mi_gdb_test "-var-create $name @ $expression" \
0cc7d26f 1239 "\\^done,name=\"$name\",numchild=\"\(-1\|\[0-9\]+\)\",value=\".*\",type=.*" \
fcacd99f
VP
1240 $testname
1241}
1242
1243
9e8e3afe
VP
1244# Same as mi_create_varobj, but also checks the reported type
1245# of the varobj.
1246proc mi_create_varobj_checked { name expression type testname } {
1247 mi_gdb_test "-var-create $name * $expression" \
1248 "\\^done,name=\"$name\",numchild=\"\[0-9\]+\",value=\".*\",type=\"$type\".*" \
1249 $testname
1250}
1251
0cc7d26f
TT
1252# Same as mi_create_floating_varobj, but assumes the test is creating
1253# a dynamic varobj that has children, so the value must be "{...}".
1254proc mi_create_dynamic_varobj {name expression testname} {
1255 mi_gdb_test "-var-create $name @ $expression" \
1256 "\\^done,name=\"$name\",numchild=\"\(-1\|\[0-9\]+\)\",value=\"{\\.\\.\\.}\",type=.*" \
1257 $testname
1258}
1259
6e2a9270
VP
1260# Deletes the specified NAME.
1261proc mi_delete_varobj { name testname } {
1262 mi_gdb_test "-var-delete $name" \
1263 "\\^done,ndeleted=.*" \
1264 $testname
1265}
1266
b26ed50d
VP
1267# Updates varobj named NAME and checks that all varobjs in EXPECTED
1268# are reported as updated, and no other varobj is updated.
1269# Assumes that no varobj is out of scope and that no varobj changes
1270# types.
1271proc mi_varobj_update { name expected testname } {
1272 set er "\\^done,changelist=\\\["
1273 set first 1
1274 foreach item $expected {
0cc7d26f 1275 set v "{name=\"$item\",in_scope=\"true\",type_changed=\"false\",has_more=\".\"}"
25d5ea92 1276 if {$first == 1} {
b26ed50d 1277 set er "$er$v"
25d5ea92 1278 set first 0
b26ed50d
VP
1279 } else {
1280 set er "$er,$v"
1281 }
1282 }
1283 set er "$er\\\]"
1284
1285 verbose -log "Expecting: $er" 2
1286 mi_gdb_test "-var-update $name" $er $testname
1287}
1288
fcacd99f 1289proc mi_varobj_update_with_type_change { name new_type new_children testname } {
0cc7d26f 1290 set v "{name=\"$name\",in_scope=\"true\",type_changed=\"true\",new_type=\"$new_type\",new_num_children=\"$new_children\",has_more=\".\"}"
fcacd99f
VP
1291 set er "\\^done,changelist=\\\[$v\\\]"
1292 verbose -log "Expecting: $er"
1293 mi_gdb_test "-var-update $name" $er $testname
1294}
1295
0cc7d26f
TT
1296# A helper that turns a key/value list into a regular expression
1297# matching some MI output.
1298proc mi_varobj_update_kv_helper {list} {
1299 set first 1
1300 set rx ""
1301 foreach {key value} $list {
1302 if {!$first} {
1303 append rx ,
1304 }
1305 set first 0
1306 if {$key == "new_children"} {
1307 append rx "$key=\\\[$value\\\]"
1308 } else {
1309 append rx "$key=\"$value\""
1310 }
1311 }
1312 return $rx
1313}
b6313243 1314
0cc7d26f
TT
1315# A helper for mi_varobj_update_dynamic that computes a match
1316# expression given a child list.
1317proc mi_varobj_update_dynamic_helper {children} {
1318 set crx ""
b6313243 1319
0cc7d26f
TT
1320 set first 1
1321 foreach child $children {
1322 if {!$first} {
1323 append crx ,
1324 }
1325 set first 0
1326 append crx "{"
1327 append crx [mi_varobj_update_kv_helper $child]
1328 append crx "}"
1329 }
1330
1331 return $crx
1332}
1333
1334# Update a dynamic varobj named NAME. CHILDREN is a list of children
1335# that have been updated; NEW_CHILDREN is a list of children that were
1336# added to the primary varobj. Each child is a list of key/value
1337# pairs that are expected. SELF is a key/value list holding
1338# information about the varobj itself. TESTNAME is the name of the
1339# test.
1340proc mi_varobj_update_dynamic {name testname self children new_children} {
1341 if {[llength $new_children]} {
1342 set newrx [mi_varobj_update_dynamic_helper $new_children]
1343 lappend self new_children $newrx
1344 }
1345 set selfrx [mi_varobj_update_kv_helper $self]
1346 set crx [mi_varobj_update_dynamic_helper $children]
1347
1348 set er "\\^done,changelist=\\\[\{name=\"$name\",in_scope=\"true\""
1349 append er ",$selfrx\}"
1350 if {"$crx" != ""} {
1351 append er ",$crx"
1352 }
1353 append er "\\\]"
b6313243
TT
1354
1355 verbose -log "Expecting: $er"
1356 mi_gdb_test "-var-update $name" $er $testname
1357}
1358
b26ed50d
VP
1359proc mi_check_varobj_value { name value testname } {
1360
1361 mi_gdb_test "-var-evaluate-expression $name" \
1362 "\\^done,value=\"$value\"" \
1363 $testname
1364}
038224f6 1365
b6313243
TT
1366# Helper proc which constructs a child regexp for
1367# mi_list_varobj_children and mi_varobj_update_dynamic.
1368proc mi_child_regexp {children add_child} {
1369 set children_exp {}
1370 set whatever "\"\[^\"\]+\""
1371
1372 if {$add_child} {
1373 set pre "child="
1374 } else {
1375 set pre ""
1376 }
1377
1378 foreach item $children {
1379
1380 set name [lindex $item 0]
1381 set exp [lindex $item 1]
1382 set numchild [lindex $item 2]
1383 if {[llength $item] == 5} {
1384 set type [lindex $item 3]
1385 set value [lindex $item 4]
1386
1387 lappend children_exp\
1388 "$pre{name=\"$name\",exp=\"$exp\",numchild=\"$numchild\",value=\"$value\",type=\"$type\"\(,thread-id=\"\[0-9\]+\")?}"
1389 } elseif {[llength $item] == 4} {
1390 set type [lindex $item 3]
1391
1392 lappend children_exp\
1393 "$pre{name=\"$name\",exp=\"$exp\",numchild=\"$numchild\",type=\"$type\"\(,thread-id=\"\[0-9\]+\")?}"
1394 } else {
1395 lappend children_exp\
1396 "$pre{name=\"$name\",exp=\"$exp\",numchild=\"$numchild\"(,thread-id=\"\[0-9\]+\")?}"
1397 }
1398 }
1399 return [join $children_exp ","]
1400}
1401
038224f6
VP
1402# Check the results of the:
1403#
1404# -var-list-children VARNAME
1405#
1406# command. The CHILDREN parement should be a list of lists.
1407# Each inner list can have either 3 or 4 elements, describing
1408# fields that gdb is expected to report for child variable object,
1409# in the following order
1410#
1411# - Name
1412# - Expression
1413# - Number of children
1414# - Type
1415#
1416# If inner list has 3 elements, the gdb is expected to output no
9e8e3afe
VP
1417# type for a child and no value.
1418#
1419# If the inner list has 4 elements, gdb output is expected to
1420# have no value.
038224f6
VP
1421#
1422proc mi_list_varobj_children { varname children testname } {
0cc7d26f 1423 mi_list_varobj_children_range $varname "" "" [llength $children] $children \
b6313243
TT
1424 $testname
1425}
038224f6 1426
0cc7d26f
TT
1427# Like mi_list_varobj_children, but sets a subrange. NUMCHILDREN is
1428# the total number of children.
1429proc mi_list_varobj_children_range {varname from to numchildren children testname} {
9e8e3afe
VP
1430 set options ""
1431 if {[llength $varname] == 2} {
1432 set options [lindex $varname 1]
1433 set varname [lindex $varname 0]
1434 }
1435
038224f6
VP
1436 set whatever "\"\[^\"\]+\""
1437
b6313243 1438 set children_exp_j [mi_child_regexp $children 1]
9e8e3afe
VP
1439 if {$numchildren} {
1440 set expected "\\^done,numchild=\".*\",children=\\\[$children_exp_j.*\\\]"
1441 } {
1442 set expected "\\^done,numchild=\"0\""
1443 }
038224f6 1444
0cc7d26f
TT
1445 if {"$to" == ""} {
1446 append expected ",has_more=\"0\""
1447 } elseif {$to >= 0 && $numchildren > $to} {
1448 append expected ",has_more=\"1\""
1449 } else {
1450 append expected ",has_more=\"0\""
1451 }
1452
038224f6
VP
1453 verbose -log "Expecting: $expected"
1454
0cc7d26f
TT
1455 mi_gdb_test "-var-list-children $options $varname $from $to" \
1456 $expected $testname
9e8e3afe
VP
1457}
1458
1459# Verifies that variable object VARNAME has NUMBER children,
1460# where each one is named $VARNAME.<index-of-child> and has type TYPE.
1461proc mi_list_array_varobj_children { varname number type testname } {
1462 set t {}
1463 for {set i 0} {$i < $number} {incr i} {
1464 lappend t [list $varname.$i $i 0 $type]
1465 }
1466 mi_list_varobj_children $varname $t $testname
038224f6 1467}
2d0720d9
VP
1468
1469# A list of two-element lists. First element of each list is
1470# a Tcl statement, and the second element is the line
1471# number of source C file where the statement originates.
1472set mi_autotest_data ""
1473# The name of the source file for autotesting.
1474set mi_autotest_source ""
1475
1476proc count_newlines { string } {
1477 return [regexp -all "\n" $string]
1478}
1479
1480# Prepares for running inline tests in FILENAME.
1481# See comments for mi_run_inline_test for detailed
1482# explanation of the idea and syntax.
1483proc mi_prepare_inline_tests { filename } {
1484
1485 global srcdir
1486 global subdir
1487 global mi_autotest_source
1488 global mi_autotest_data
1489
1490 set mi_autotest_data {}
1491
1492 set mi_autotest_source $filename
1493
1494 if { ! [regexp "^/" "$filename"] } then {
1495 set filename "$srcdir/$subdir/$filename"
1496 }
1497
1498 set chan [open $filename]
1499 set content [read $chan]
1500 set line_number 1
1501 while {1} {
1502 set start [string first "/*:" $content]
1503 if {$start != -1} {
1504 set end [string first ":*/" $content]
1505 if {$end == -1} {
1506 error "Unterminated special comment in $filename"
1507 }
1508
1509 set prefix [string range $content 0 $start]
1510 set prefix_newlines [count_newlines $prefix]
1511
1512 set line_number [expr $line_number+$prefix_newlines]
1513 set comment_line $line_number
1514
1515 set comment [string range $content [expr $start+3] [expr $end-1]]
1516
1517 set comment_newlines [count_newlines $comment]
1518 set line_number [expr $line_number+$comment_newlines]
1519
1520 set comment [string trim $comment]
1521 set content [string range $content [expr $end+3] \
1522 [string length $content]]
1523 lappend mi_autotest_data [list $comment $comment_line]
1524 } else {
1525 break
1526 }
1527 }
1528 close $chan
1529}
1530
1531# Helper to mi_run_inline_test below.
1532# Return the list of all (statement,line_number) lists
1533# that comprise TESTCASE. The begin and end markers
1534# are not included.
1535proc mi_get_inline_test {testcase} {
1536
1537 global mi_gdb_prompt
1538 global mi_autotest_data
1539 global mi_autotest_source
1540
1541 set result {}
1542
1543 set seen_begin 0
1544 set seen_end 0
1545 foreach l $mi_autotest_data {
1546
1547 set comment [lindex $l 0]
1548
1549 if {$comment == "BEGIN: $testcase"} {
1550 set seen_begin 1
1551 } elseif {$comment == "END: $testcase"} {
1552 set seen_end 1
1553 break
1554 } elseif {$seen_begin==1} {
1555 lappend result $l
1556 }
1557 }
1558
1559 if {$seen_begin == 0} {
1560 error "Autotest $testcase not found"
1561 }
1562
1563 if {$seen_begin == 1 && $seen_end == 0} {
1564 error "Missing end marker for test $testcase"
1565 }
1566
1567 return $result
1568}
1569
1570# Sets temporary breakpoint at LOCATION.
1571proc mi_tbreak {location} {
1572
1573 global mi_gdb_prompt
1574
1575 mi_gdb_test "-break-insert -t $location" \
1576 {\^done,bkpt=.*} \
1577 "run to $location (set breakpoint)"
1578}
1579
1580# Send COMMAND that must be a command that resumes
7bf9deb0 1581# the inferior (run/continue/next/etc) and consumes
2d0720d9 1582# the "^running" output from it.
a2840c35 1583proc mi_send_resuming_command_raw {command test} {
2d0720d9
VP
1584
1585 global mi_gdb_prompt
66bb093b 1586 global thread_selected_re
c86cf029 1587 global library_loaded_re
2d0720d9 1588
a2840c35 1589 send_gdb "$command\n"
2d0720d9 1590 gdb_expect {
c86cf029 1591 -re "\\^running\r\n\\*running,thread-id=\"\[^\"\]+\"\r\n($library_loaded_re)*($thread_selected_re)?${mi_gdb_prompt}" {
7ebd49dc
VP
1592 # Note that lack of 'pass' call here -- this works around limitation
1593 # in DejaGNU xfail mechanism. mi-until.exp has this:
1594 #
1595 # setup_kfail gdb/2104 "*-*-*"
1596 # mi_execute_to ...
1597 #
1598 # and mi_execute_to uses mi_send_resuming_command. If we use 'pass' here,
1599 # it will reset kfail, so when the actual test fails, it will be flagged
1600 # as real failure.
d0b76dc6 1601 return 0
2d0720d9 1602 }
4ea95be9
DJ
1603 -re "\\^error,msg=\"Displaced stepping is only supported in ARM mode\".*" {
1604 unsupported "$test (Thumb mode)"
1605 return -1
bb378428 1606 }
a2840c35 1607 -re "\\^error,msg=.*" {
bb378428
VP
1608 fail "$test (MI error)"
1609 return -1
1610 }
4ea95be9
DJ
1611 -re ".*${mi_gdb_prompt}" {
1612 fail "$test (failed to resume)"
1613 return -1
1614 }
2d0720d9 1615 timeout {
bb378428
VP
1616 fail "$test"
1617 return -1
2d0720d9
VP
1618 }
1619 }
1620}
1621
a2840c35
VP
1622proc mi_send_resuming_command {command test} {
1623 mi_send_resuming_command_raw -$command $test
1624}
1625
2d0720d9
VP
1626# Helper to mi_run_inline_test below.
1627# Sets a temporary breakpoint at LOCATION and runs
1628# the program using COMMAND. When the program is stopped
1629# returns the line at which it. Returns -1 if line cannot
1630# be determined.
1631# Does not check that the line is the same as requested.
1632# The caller can check itself if required.
a73bafbc 1633proc mi_continue_to_line {location test} {
2d0720d9
VP
1634
1635 mi_tbreak $location
1636 mi_send_resuming_command "exec-continue" "run to $location (exec-continue)"
bb378428 1637 return [mi_get_stop_line $test]
2d0720d9
VP
1638}
1639
1640# Wait until gdb prints the current line.
bb378428 1641proc mi_get_stop_line {test} {
2d0720d9
VP
1642
1643 global mi_gdb_prompt
f7f9a841
VP
1644 global async
1645
1646 if {$async} {
1647 set prompt_re ""
1648 } else {
d0b76dc6 1649 set prompt_re "$mi_gdb_prompt$"
f7f9a841 1650 }
2d0720d9
VP
1651
1652 gdb_expect {
d0b76dc6 1653 -re ".*line=\"(\[0-9\]*)\".*\r\n$prompt_re" {
2d0720d9
VP
1654 return $expect_out(1,string)
1655 }
d0b76dc6 1656 -re ".*$mi_gdb_prompt" {
2d0720d9
VP
1657 fail "wait for stop ($test)"
1658 }
1659 timeout {
1660 fail "wait for stop ($test)"
1661 }
1662 }
1663}
1664
1665# Run a MI test embedded in comments in a C file.
1666# The C file should contain special comments in the following
1667# three forms:
1668#
1669# /*: BEGIN: testname :*/
1670# /*: <Tcl statements> :*/
1671# /*: END: testname :*/
1672#
1673# This procedure find the begin and end marker for the requested
1674# test. Then, a temporary breakpoint is set at the begin
1675# marker and the program is run (from start).
1676#
1677# After that, for each special comment between the begin and end
1678# marker, the Tcl statements are executed. It is assumed that
1679# for each comment, the immediately preceding line is executable
1680# C statement. Then, gdb will be single-stepped until that
1681# preceding C statement is executed, and after that the
1682# Tcl statements in the comment will be executed.
1683#
1684# For example:
1685#
1686# /*: BEGIN: assignment-test :*/
1687# v = 10;
1688# /*: <Tcl code to check that 'v' is indeed 10 :*/
1689# /*: END: assignment-test :*/
1690#
1691# The mi_prepare_inline_tests function should be called before
1692# calling this function. A given C file can contain several
1693# inline tests. The names of the tests must be unique within one
1694# C file.
1695#
1696proc mi_run_inline_test { testcase } {
1697
1698 global mi_gdb_prompt
1699 global hex
1700 global decimal
1701 global fullname_syntax
1702 global mi_autotest_source
1703
1704 set commands [mi_get_inline_test $testcase]
1705
1706 set first 1
1707 set line_now 1
1708
1709 foreach c $commands {
1710 set statements [lindex $c 0]
1711 set line [lindex $c 1]
1712 set line [expr $line-1]
1713
1714 # We want gdb to be stopped at the expression immediately
1715 # before the comment. If this is the first comment, the
1716 # program is either not started yet or is in some random place,
1717 # so we run it. For further comments, we might be already
1718 # standing at the right line. If not continue till the
1719 # right line.
1720
1721 if {$first==1} {
1722 # Start the program afresh.
1723 mi_tbreak "$mi_autotest_source:$line"
1724 mi_run_cmd
bb378428 1725 set line_now [mi_get_stop_line "$testcase: step to $line"]
2d0720d9
VP
1726 set first 0
1727 } elseif {$line_now!=$line} {
25d5ea92 1728 set line_now [mi_continue_to_line "$mi_autotest_source:$line" "continue to $line"]
2d0720d9
VP
1729 }
1730
1731 if {$line_now!=$line} {
1732 fail "$testcase: go to line $line"
1733 }
1734
1735 # We're not at the statement right above the comment.
1736 # Execute that statement so that the comment can test
1737 # the state after the statement is executed.
1738
1739 # Single-step past the line.
d0b76dc6
DJ
1740 if { [mi_send_resuming_command "exec-next" "$testcase: step over $line"] != 0 } {
1741 return -1
1742 }
1743 set line_now [mi_get_stop_line "$testcase: step over $line"]
2d0720d9
VP
1744
1745 # We probably want to use 'uplevel' so that statements
1746 # have direct access to global variables that the
1747 # main 'exp' file has set up. But it's not yet clear,
1748 # will need more experience to be sure.
1749 eval $statements
1750 }
1751}
9d81d21b
VP
1752
1753proc get_mi_thread_list {name} {
1754 global expect_out
1755
1756 # MI will return a list of thread ids:
1757 #
1758 # -thread-list-ids
1759 # ^done,thread-ids=[thread-id="1",thread-id="2",...],number-of-threads="N"
1760 # (gdb)
1761 mi_gdb_test "-thread-list-ids" \
592375cd 1762 {.*\^done,thread-ids={(thread-id="[0-9]+"(,)?)+},current-thread-id="[0-9]+",number-of-threads="[0-9]+"} \
9d81d21b
VP
1763 "-thread_list_ids ($name)"
1764
1765 set output {}
1766 if {[info exists expect_out(buffer)]} {
1767 set output $expect_out(buffer)
1768 }
1769
1770 set thread_list {}
1771 if {![regexp {thread-ids=\{(thread-id="[0-9]+"(,)?)*\}} $output threads]} {
1772 fail "finding threads in MI output ($name)"
1773 } else {
1774 pass "finding threads in MI output ($name)"
1775
1776 # Make list of console threads
1777 set start [expr {[string first \{ $threads] + 1}]
1778 set end [expr {[string first \} $threads] - 1}]
1779 set threads [string range $threads $start $end]
1780 foreach thread [split $threads ,] {
1781 if {[scan $thread {thread-id="%d"} num]} {
1782 lappend thread_list $num
1783 }
1784 }
1785 }
1786
1787 return $thread_list
1788}
1789
1790# Check that MI and the console know of the same threads.
1791# Appends NAME to all test names.
1792proc check_mi_and_console_threads {name} {
1793 global expect_out
1794
1795 mi_gdb_test "-thread-list-ids" \
592375cd 1796 {.*\^done,thread-ids={(thread-id="[0-9]+"(,)*)+},current-thread-id="[0-9]+",number-of-threads="[0-9]+"} \
9d81d21b
VP
1797 "-thread-list-ids ($name)"
1798 set mi_output {}
1799 if {[info exists expect_out(buffer)]} {
1800 set mi_output $expect_out(buffer)
1801 }
1802
1803 # GDB will return a list of thread ids and some more info:
1804 #
1805 # (gdb)
1806 # -interpreter-exec console "info threads"
1807 # ~" 4 Thread 2051 (LWP 7734) 0x401166b1 in __libc_nanosleep () at __libc_nanosleep:-1"
1808 # ~" 3 Thread 1026 (LWP 7733) () at __libc_nanosleep:-1"
1809 # ~" 2 Thread 2049 (LWP 7732) 0x401411f8 in __poll (fds=0x804bb24, nfds=1, timeout=2000) at ../sysdeps/unix/sysv/linux/poll.c:63"
1810 # ~"* 1 Thread 1024 (LWP 7731) main (argc=1, argv=0xbfffdd94) at ../../../src/gdb/testsuite/gdb.mi/pthreads.c:160"
1811 # FIXME: kseitz/2002-09-05: Don't use the hack-cli method.
1812 mi_gdb_test "info threads" \
1813 {.*(~".*"[\r\n]*)+.*} \
1814 "info threads ($name)"
1815 set console_output {}
1816 if {[info exists expect_out(buffer)]} {
1817 set console_output $expect_out(buffer)
1818 }
1819
1820 # Make a list of all known threads to console (gdb's thread IDs)
1821 set console_thread_list {}
1822 foreach line [split $console_output \n] {
1823 if {[string index $line 0] == "~"} {
1824 # This is a line from the console; trim off "~", " ", "*", and "\""
1825 set line [string trim $line ~\ \"\*]
1826 if {[scan $line "%d" id] == 1} {
1827 lappend console_thread_list $id
1828 }
1829 }
1830 }
1831
1832 # Now find the result string from MI
1833 set mi_result ""
1834 foreach line [split $mi_output \n] {
1835 if {[string range $line 0 4] == "^done"} {
1836 set mi_result $line
1837 }
1838 }
1839 if {$mi_result == ""} {
1840 fail "finding MI result string ($name)"
1841 } else {
1842 pass "finding MI result string ($name)"
1843 }
1844
1845 # Finally, extract the thread ids and compare them to the console
1846 set num_mi_threads_str ""
1847 if {![regexp {number-of-threads="[0-9]+"} $mi_result num_mi_threads_str]} {
1848 fail "finding number of threads in MI output ($name)"
1849 } else {
1850 pass "finding number of threads in MI output ($name)"
1851
1852 # Extract the number of threads from the MI result
1853 if {![scan $num_mi_threads_str {number-of-threads="%d"} num_mi_threads]} {
1854 fail "got number of threads from MI ($name)"
1855 } else {
1856 pass "got number of threads from MI ($name)"
1857
1858 # Check if MI and console have same number of threads
1859 if {$num_mi_threads != [llength $console_thread_list]} {
1860 fail "console and MI have same number of threads ($name)"
1861 } else {
1862 pass "console and MI have same number of threads ($name)"
1863
1864 # Get MI thread list
1865 set mi_thread_list [get_mi_thread_list $name]
1866
1867 # Check if MI and console have the same threads
1868 set fails 0
1869 foreach ct [lsort $console_thread_list] mt [lsort $mi_thread_list] {
1870 if {$ct != $mt} {
1871 incr fails
1872 }
1873 }
1874 if {$fails > 0} {
1875 fail "MI and console have same threads ($name)"
1876
1877 # Send a list of failures to the log
1878 send_log "Console has thread ids: $console_thread_list\n"
1879 send_log "MI has thread ids: $mi_thread_list\n"
1880 } else {
1881 pass "MI and console have same threads ($name)"
1882 }
1883 }
1884 }
1885 }
1886}
5e06a3d1 1887
759f0f0b 1888# Download shared libraries to the target.
5e06a3d1
VP
1889proc mi_load_shlibs { args } {
1890 if {![is_remote target]} {
1891 return
1892 }
1893
1894 foreach file $args {
759f0f0b 1895 gdb_download [shlib_target_file $file]
5e06a3d1
VP
1896 }
1897
1898 # Even if the target supplies full paths for shared libraries,
1899 # they may not be paths for this system.
1900 mi_gdb_test "set solib-search-path [file dirname [lindex $args 0]]" "\^done" ""
1901}
1902
1ad15515
PA
1903proc mi_reverse_list { list } {
1904 if { [llength $list] <= 1 } {
1905 return $list
1906 }
1907 set tail [lrange $list 1 [llength $list]]
1908 set rtail [mi_reverse_list $tail]
1909 lappend rtail [lindex $list 0]
1910 return $rtail
1911}
1912
1913proc mi_check_thread_states { xstates test } {
1914 global expect_out
1915 set states [mi_reverse_list $xstates]
f4e164aa 1916 set pattern ".*\\^done,threads=\\\["
1ad15515
PA
1917 foreach s $states {
1918 set pattern "${pattern}(.*)state=\"$s\""
1919 }
dc146f7c 1920 set pattern "${pattern}(,core=\"\[0-9\]*\")?\\\}\\\].*"
1ad15515
PA
1921
1922 verbose -log "expecting: $pattern"
1923 mi_gdb_test "-thread-info" $pattern $test
1924}
b6313243
TT
1925
1926# Return a list of MI features supported by this gdb.
1927proc mi_get_features {} {
1928 global expect_out mi_gdb_prompt
1929
1930 send_gdb "-list-features\n"
1931
1932 gdb_expect {
1933 -re "\\^done,features=\\\[(.*)\\\]\r\n$mi_gdb_prompt$" {
1934 regsub -all -- \" $expect_out(1,string) "" features
1935 return [split $features ,]
1936 }
1937 -re ".*\r\n$mi_gdb_prompt$" {
1938 verbose -log "got $expect_out(buffer)"
1939 return ""
1940 }
1941 timeout {
1942 verbose -log "timeout in mi_gdb_prompt"
1943 return ""
1944 }
1945 }
1946}
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