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0fba9aa2 | 1 | # Copyright (C) 1992, 1994 Free Software Foundation, Inc. |
19fa4a0a MW |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 2 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program; if not, write to the Free Software | |
15 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
16 | ||
17 | # Please email any bugs, comments, and/or additions to this file to: | |
c79f61db | 18 | # bug-gdb@prep.ai.mit.edu |
19fa4a0a MW |
19 | |
20 | # This file was written by Fred Fish. (fnf@cygnus.com) | |
21 | ||
22 | # Generic gdb subroutines that should work for any target. If these | |
23 | # need to be modified for any target, it can be done with a variable | |
24 | # or by passing arguments. | |
25 | ||
9bcc6c3f RS |
26 | global GDB |
27 | if ![info exists GDB] then { | |
3e304ddf | 28 | set GDB [findfile $base_dir/../gdb $base_dir/../gdb [transform gdb ]] |
9bcc6c3f RS |
29 | } |
30 | ||
31 | global GDBFLAGS | |
85174909 RS |
32 | if ![info exists GDBFLAGS] then { |
33 | set GDBFLAGS "" | |
34 | } | |
35 | ||
90fba5fa BC |
36 | # set the prompt if it doesn't exist |
37 | global prompt | |
38 | if ![info exists prompt] then { | |
39 | set prompt "\[(\]gdb\[)\]" | |
40 | } | |
41 | ||
5019a275 RS |
42 | # |
43 | # gdb_version -- extract and print the version number of gcc | |
44 | # | |
45 | proc default_gdb_version {} { | |
46 | global GDB | |
47 | global GDBFLAGS | |
48 | if {[which $GDB] != 0} then { | |
49 | set tmp [exec echo "q" | $GDB] | |
85174909 RS |
50 | regexp " \[0-9\.\]+" $tmp version |
51 | clone_output "[which $GDB] version$version $GDBFLAGS\n" | |
5019a275 RS |
52 | } else { |
53 | warning "$GDB does not exist" | |
54 | } | |
55 | } | |
56 | ||
19fa4a0a MW |
57 | # |
58 | # gdb_unload -- unload a file if one is loaded | |
59 | # | |
60 | ||
61 | proc gdb_unload {} { | |
62 | global verbose | |
63 | global GDB | |
64 | global prompt | |
65 | send "file\n" | |
66 | expect { | |
9bcc6c3f RS |
67 | -re "No exec file now.*\r" { exp_continue } |
68 | -re "No symbol file now.*\r" { exp_continue } | |
69 | -re "A program is being debugged already..*Kill it.*y or n. $"\ | |
19fa4a0a | 70 | { send "y\n" |
85174909 | 71 | verbose "\t\tKilling previous program being debugged" |
9bcc6c3f | 72 | exp_continue |
19fa4a0a | 73 | } |
9bcc6c3f | 74 | -re "Discard symbol table from .*y or n. $" { |
19fa4a0a | 75 | send "y\n" |
9bcc6c3f | 76 | exp_continue |
19fa4a0a MW |
77 | } |
78 | -re "$prompt $" {} | |
79 | timeout { | |
85174909 | 80 | perror "couldn't unload file in $GDB (timed out)." |
c79f61db | 81 | return -1 |
19fa4a0a MW |
82 | } |
83 | } | |
84 | } | |
85 | ||
86 | # Many of the tests depend on setting breakpoints at various places and | |
87 | # running until that breakpoint is reached. At times, we want to start | |
88 | # with a clean-slate with respect to breakpoints, so this utility proc | |
89 | # lets us do this without duplicating this code everywhere. | |
90 | # | |
91 | ||
92 | proc delete_breakpoints {} { | |
93 | global prompt | |
94 | ||
95 | send "delete breakpoints\n" | |
96 | expect { | |
9bcc6c3f | 97 | -re "Delete all breakpoints.*y or n. $" { |
19fa4a0a | 98 | send "y\n" |
9bcc6c3f | 99 | exp_continue |
19fa4a0a MW |
100 | } |
101 | -re "y\r\n$prompt $" {} | |
31711c69 JK |
102 | -re ".*$prompt $" { # This happens if there were no breakpoints |
103 | } | |
8f07e537 | 104 | timeout { perror "Delete all breakpoints (timeout)" ; return } |
19fa4a0a MW |
105 | } |
106 | send "info breakpoints\n" | |
107 | expect { | |
108 | -re "No breakpoints or watchpoints..*$prompt $" {} | |
9bcc6c3f | 109 | -re ".*$prompt $" { perror "breakpoints not deleted" ; return } |
8f07e537 | 110 | timeout { perror "info breakpoints (timeout)" ; return } |
19fa4a0a MW |
111 | } |
112 | } | |
113 | ||
114 | ||
115 | # | |
809943cf C |
116 | # |
117 | # | |
118 | proc gdb_run_cmd {} { | |
119 | send "run\n" | |
120 | expect { | |
121 | -re "The program .* has been started already.*y or n. $" { | |
122 | send "y\n" | |
123 | exp_continue | |
124 | } | |
4f2ec2ee C |
125 | |
126 | -re "Starting program: .*$" {} | |
809943cf C |
127 | } |
128 | } | |
129 | ||
130 | ||
19fa4a0a MW |
131 | # Set breakpoint at function and run gdb until it breaks there. |
132 | # Since this is the only breakpoint that will be set, if it stops | |
133 | # at a breakpoint, we will assume it is the one we want. We can't | |
134 | # just compare to "function" because it might be a fully qualified, | |
135 | # single quoted C++ function specifier. | |
19fa4a0a MW |
136 | |
137 | proc runto { function } { | |
138 | global prompt | |
139 | global decimal | |
140 | ||
141 | send "delete\n" | |
142 | expect { | |
9bcc6c3f | 143 | -re "delete.*Delete all breakpoints.*y or n. $" { |
19fa4a0a MW |
144 | send "y\n" |
145 | expect { | |
146 | -re "$prompt $" {} | |
147 | timeout { fail "deleting breakpoints (timeout)" ; return 0 } | |
148 | } | |
149 | } | |
150 | -re ".*$prompt $" {} | |
151 | timeout { fail "deleting breakpoints (timeout)" ; return 0 } | |
152 | } | |
153 | ||
154 | send "break $function\n" | |
3e304ddf | 155 | # The first two regexps are what we get with -g, the third is without -g. |
19fa4a0a | 156 | expect { |
3e304ddf C |
157 | -re "Breakpoint \[0-9\]* at 0x\[0-9a-f\]*: file .*, line $decimal.\r\n$prompt $" {} |
158 | -re "Breakpoint \[0-9\]*: file .*, line $decimal.\r\n$prompt $" {} | |
c79f61db | 159 | -re "Breakpoint \[0-9\]* at 0x\[0-9a-f\]*.*$prompt $" {} |
19fa4a0a MW |
160 | -re "$prompt $" { fail "setting breakpoint at $function" ; return 0 } |
161 | timeout { fail "setting breakpoint at $function (timeout)" ; return 0 } | |
162 | } | |
163 | ||
4f2ec2ee C |
164 | gdb_run_cmd |
165 | ||
c79f61db RS |
166 | # the "at foo.c:36" output we get with -g. |
167 | # the "in func" output we get without -g. | |
412c988b | 168 | expect { |
4f2ec2ee C |
169 | -re "Break.* at .*:$decimal.*$prompt $" { |
170 | return 1 | |
412c988b | 171 | } |
c79f61db RS |
172 | -re "Breakpoint \[0-9\]*, \[0-9xa-f\]* in $function.*$prompt $" { |
173 | return 1 | |
174 | } | |
4f2ec2ee C |
175 | -re "$prompt $" { |
176 | fail "running to $function" | |
177 | return 0 | |
178 | } | |
179 | timeout { | |
180 | fail "running to $function (timeout)" | |
181 | return 0 | |
182 | } | |
19fa4a0a MW |
183 | } |
184 | } | |
185 | ||
186 | # | |
187 | # gdb_test -- send a command to gdb and test the result. | |
188 | # Takes three parameters. | |
189 | # Parameters: | |
190 | # First one is the command to execute, | |
191 | # Second one is the pattern to match for a PASS, | |
192 | # Third one is an optional message to be printed. If this | |
193 | # a null string "", then the pass/fail messages are not printed. | |
194 | # Returns: | |
195 | # 1 if the test failed, | |
196 | # 0 if the test passes, | |
197 | # -1 if there was an internal error. | |
198 | # | |
199 | proc gdb_test { args } { | |
200 | global verbose | |
201 | global prompt | |
202 | global GDB | |
203 | global spawn_id | |
204 | ||
205 | if [llength $args]==3 then { | |
206 | set message [lindex $args 2] | |
207 | } else { | |
208 | set message [lindex $args 0] | |
209 | } | |
210 | set command [lindex $args 0] | |
211 | set pattern [lindex $args 1] | |
212 | ||
213 | if $verbose>2 then { | |
214 | send_user "Sending \"$command\" to gdb\n" | |
215 | send_user "Looking to match \"$pattern\"\n" | |
216 | send_user "Message is \"$message\"\n" | |
217 | } | |
218 | ||
219 | set result -1 | |
220 | set errmess "" | |
221 | # trap the send so any problems don't crash things | |
222 | catch "send \"$command\n\"" errmess | |
9bcc6c3f | 223 | if [string match "write.spawn_id=\[0-9\]+.:" $errmess] then { |
85174909 | 224 | perror "sent \"$command\" got expect error \"$errmess\"" |
c79f61db RS |
225 | catch "close" |
226 | gdb_start | |
19fa4a0a MW |
227 | return -1 |
228 | } | |
229 | ||
230 | expect { | |
231 | -re ".*Ending remote debugging.*$prompt$" { | |
232 | if ![isnative] then { | |
233 | warning "Can`t communicate to remote target." | |
234 | } | |
235 | gdb_exit | |
236 | gdb_start | |
237 | set result -1 | |
238 | } | |
239 | -re "$pattern.*$prompt $" { | |
240 | if ![string match "" $message] then { | |
241 | pass "$message" | |
242 | } | |
243 | set result 0 | |
244 | } | |
245 | -re "Undefined command:.*$prompt" { | |
85174909 | 246 | perror "Undefined command \"$command\"." |
c79f61db | 247 | set result 1 |
19fa4a0a MW |
248 | } |
249 | -re "Ambiguous command.*$prompt $" { | |
85174909 | 250 | perror "\"$command\" is not a unique command name." |
c79f61db | 251 | set result 1 |
19fa4a0a MW |
252 | } |
253 | -re ".*$prompt $" { | |
254 | if ![string match "" $message] then { | |
255 | fail "$message" | |
256 | } | |
257 | set result 1 | |
258 | } | |
259 | "<return>" { | |
260 | send "\n" | |
85174909 | 261 | perror "Window too small." |
19fa4a0a | 262 | } |
9bcc6c3f | 263 | -re "\[(\]+y or n\[)\]+ " { |
19fa4a0a | 264 | send "n\n" |
85174909 | 265 | perror "Got interactive prompt." |
19fa4a0a | 266 | } |
c79f61db | 267 | eof { |
85174909 | 268 | perror "Process no longer exists" |
c79f61db RS |
269 | return -1 |
270 | } | |
19fa4a0a | 271 | buffer_full { |
85174909 | 272 | perror "internal buffer is full." |
19fa4a0a | 273 | } |
19fa4a0a | 274 | timeout { |
3e304ddf C |
275 | if ![string match "" $message] then { |
276 | fail "(timeout) $message" | |
277 | } | |
19fa4a0a MW |
278 | set result 1 |
279 | } | |
280 | } | |
281 | return $result | |
282 | } | |
283 | ||
faa15770 PB |
284 | # Given an input string, adds backslashes as needed to create a |
285 | # regexp that will match the string. | |
3e304ddf | 286 | |
faa15770 | 287 | proc string_to_regexp {str} { |
3e304ddf C |
288 | set result $str |
289 | regsub -all {[]*+.|()^$\[]} $str {\\&} result | |
faa15770 PB |
290 | return $result |
291 | } | |
292 | ||
293 | # Same as gdb_test, but the second parameter is not a regexp, | |
294 | # but a string that must match exactly. | |
295 | ||
296 | proc gdb_test_exact { args } { | |
297 | set command [lindex $args 0] | |
68361314 | 298 | set pattern [string_to_regexp [lindex $args 1]] |
faa15770 PB |
299 | if [llength $args]==3 then { |
300 | set message [lindex $args 2] | |
301 | } else { | |
302 | set message $command | |
303 | } | |
304 | return [gdb_test $command $pattern $message] | |
305 | } | |
306 | ||
19fa4a0a MW |
307 | proc gdb_reinitialize_dir { subdir } { |
308 | global prompt | |
19fa4a0a | 309 | |
85174909 | 310 | send "dir\n" |
19fa4a0a MW |
311 | expect { |
312 | -re "Reinitialize source path to empty.*" { | |
313 | send "y\n" | |
314 | expect { | |
315 | -re "Source directories searched.*$prompt $" { | |
316 | send "dir $subdir\n" | |
317 | expect { | |
318 | -re "Source directories searched.*$prompt $" { | |
85174909 | 319 | verbose "Dir set to $subdir" |
19fa4a0a MW |
320 | } |
321 | -re ".*$prompt $" { | |
85174909 | 322 | perror "Dir \"$subdir\" failed." |
19fa4a0a MW |
323 | } |
324 | } | |
325 | } | |
326 | -re ".*$prompt $" { | |
85174909 | 327 | perror "Dir \"$subdir\" failed." |
19fa4a0a MW |
328 | } |
329 | } | |
330 | } | |
331 | -re ".*$prompt $" { | |
85174909 | 332 | perror "Dir \"$subdir\" failed." |
19fa4a0a MW |
333 | } |
334 | } | |
335 | } | |
c79f61db | 336 | |
c79f61db RS |
337 | # |
338 | # gdb_exit -- exit the GDB, killing the target program if necessary | |
339 | # | |
340 | proc default_gdb_exit {} { | |
341 | global GDB | |
342 | global GDBFLAGS | |
343 | global verbose | |
344 | ||
002cc99f | 345 | verbose "Quitting $GDB $GDBFLAGS" |
c79f61db RS |
346 | |
347 | # This used to be 1 for unix-gdb.exp | |
348 | set timeout 5 | |
349 | ||
90fba5fa BC |
350 | # We used to try to send "quit" to GDB, and wait for it to die. |
351 | # Dealing with all the cases and errors got pretty hairy. Just close it, | |
352 | # that is simpler. | |
353 | close | |
354 | ||
355 | # Omitting this probably would cause strange timing-dependent failures. | |
c79f61db RS |
356 | wait |
357 | } | |
358 | ||
85174909 RS |
359 | # |
360 | # gdb_load -- load a file into the debugger. | |
361 | # return a -1 if anything goes wrong. | |
362 | # | |
363 | proc gdb_file_cmd { arg } { | |
364 | global verbose | |
365 | global loadpath | |
366 | global loadfile | |
367 | global GDB | |
368 | global prompt | |
9bcc6c3f | 369 | global spawn_id |
85174909 RS |
370 | |
371 | send "file $arg\n" | |
372 | expect { | |
373 | -re "Reading symbols from.*done.*$prompt $" { | |
374 | verbose "\t\tLoaded $arg into the $GDB" | |
375 | return 0 | |
376 | } | |
377 | -re "has no symbol-table.*$prompt $" { | |
378 | perror "$arg wasn't compiled with \"-g\"" | |
379 | return -1 | |
380 | } | |
9bcc6c3f | 381 | -re "A program is being debugged already.*Kill it.*y or n. $" { |
85174909 RS |
382 | send "y\n" |
383 | verbose "\t\tKilling previous program being debugged" | |
9bcc6c3f | 384 | exp_continue |
85174909 | 385 | } |
9bcc6c3f | 386 | -re "Load new symbol table from \".*\".*y or n. $" { |
85174909 RS |
387 | send "y\n" |
388 | expect { | |
389 | -re "Reading symbols from.*done.*$prompt $" { | |
390 | verbose "\t\tLoaded $arg with new symbol table into $GDB" | |
391 | return 0 | |
392 | } | |
393 | timeout { | |
394 | perror "(timeout) Couldn't load $arg, other program already l | |
395 | oaded." | |
396 | return -1 | |
397 | } | |
398 | } | |
399 | } | |
400 | -re ".*No such file or directory.*$prompt $" { | |
401 | perror "($arg) No such file or directory\n" | |
402 | return -1 | |
403 | } | |
404 | -re "$prompt $" { | |
405 | perror "couldn't load $arg into $GDB." | |
406 | return -1 | |
407 | } | |
408 | timeout { | |
9bcc6c3f | 409 | perror "couldn't load $arg into $GDB (timed out)." |
85174909 RS |
410 | return -1 |
411 | } | |
412 | eof { | |
413 | # This is an attempt to detect a core dump, but seems not to | |
414 | # work. Perhaps we need to match .* followed by eof, in which | |
415 | # expect does not seem to have a way to do that. | |
8f07e537 | 416 | perror "couldn't load $arg into $GDB (end of file)." |
85174909 RS |
417 | return -1 |
418 | } | |
419 | } | |
420 | } | |
c79f61db | 421 | |
0fba9aa2 SS |
422 | # |
423 | # start gdb -- start gdb running, default procedure | |
424 | # | |
425 | proc default_gdb_start { } { | |
426 | global verbose | |
427 | global GDB | |
428 | global GDBFLAGS | |
429 | global prompt | |
430 | global spawn_id | |
431 | global timeout | |
432 | verbose "Spawning $GDB $GDBFLAGS" | |
3e304ddf C |
433 | |
434 | if { [which $GDB] == 0 } then { | |
435 | perror "$GDB does not exist." | |
436 | exit 1 | |
437 | } | |
0fba9aa2 SS |
438 | |
439 | set oldtimeout $timeout | |
440 | set timeout [expr "$timeout + 60"] | |
441 | if [ llength $GDBFLAGS ] then { | |
0fba9aa2 | 442 | spawn $GDB $GDBFLAGS |
0fba9aa2 | 443 | } else { |
0fba9aa2 | 444 | spawn $GDB |
0fba9aa2 SS |
445 | } |
446 | expect { | |
447 | -re ".*\r\n$prompt $" { | |
3e304ddf | 448 | verbose "GDB initialized." |
0fba9aa2 SS |
449 | } |
450 | -re "$prompt $" { | |
451 | perror "GDB never initialized." | |
452 | return -1 | |
453 | } | |
454 | timeout { | |
455 | perror "(timeout) GDB never initialized." | |
456 | return -1 | |
457 | } | |
458 | } | |
459 | set timeout $oldtimeout | |
460 | # force the height to "unlimited", so no pagers get used | |
461 | send "set height 0\n" | |
462 | expect { | |
463 | -re ".*$prompt $" { | |
464 | verbose "Setting height to 0." 2 | |
465 | } | |
466 | timeout { | |
467 | warning "Couldn't set the height to 0." | |
468 | } | |
469 | } | |
470 | # force the width to "unlimited", so no wraparound occurs | |
471 | send "set width 0\n" | |
472 | expect { | |
473 | -re ".*$prompt $" { | |
474 | verbose "Seting width to 0." 2 | |
475 | } | |
476 | timeout { | |
477 | warning "Couldn't set the width to 0." | |
478 | } | |
479 | } | |
480 | } | |
481 | ||
9bcc6c3f RS |
482 | # |
483 | # FIXME: this is a copy of the new library procedure, but it's here too | |
484 | # till the new dejagnu gets installed everywhere. I'd hate to break the | |
485 | # gdb tests suite. | |
486 | # | |
002cc99f RS |
487 | global argv0 |
488 | if ![info exists argv0] then { | |
9bcc6c3f RS |
489 | proc exp_continue { } { |
490 | continue -expect | |
491 | } | |
492 | } | |
c79f61db RS |
493 | |
494 |