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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [testsuite/] [lib/] [mi-support.exp] - Blame information for rev 1774

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1 106 markom
# Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16
 
17
# Please email any bugs, comments, and/or additions to this file to:
18
# bug-gdb@prep.ai.mit.edu
19
 
20
# This file was based on a file written by Fred Fish. (fnf@cygnus.com)
21
 
22
# Test setup routines that work with the MI interpreter.
23
 
24
# The variable mi_gdb_prompt is a regexp which matches the gdb mi prompt.
25
# Set it if it is not already set.
26
global mi_gdb_prompt
27
if ![info exists mi_gdb_prompt] then {
28
    set mi_gdb_prompt "\[(\]gdb\[)\] \r\n"
29
}
30
 
31
set MIFLAGS "-i=mi"
32
 
33
#
34
# mi_gdb_exit -- exit the GDB, killing the target program if necessary
35
#
36
proc mi_gdb_exit {} {
37
    catch mi_uncatched_gdb_exit
38
}
39
 
40
proc mi_uncatched_gdb_exit {} {
41
    global GDB
42
    global GDBFLAGS
43
    global verbose
44
    global gdb_spawn_id;
45
    global gdb_prompt
46
    global mi_gdb_prompt
47
    global MIFLAGS
48
 
49
    gdb_stop_suppressing_tests;
50
 
51
    if { [info procs sid_exit] != "" } {
52
        sid_exit
53
    }
54
 
55
    if ![info exists gdb_spawn_id] {
56
        return;
57
    }
58
 
59
    verbose "Quitting $GDB $GDBFLAGS $MIFLAGS"
60
 
61
    if { [is_remote host] && [board_info host exists fileid] } {
62
        send_gdb "999-gdb-exit\n";
63
        gdb_expect 10 {
64
            -re "y or n" {
65
                send_gdb "y\n";
66
                exp_continue;
67
            }
68
            -re "Undefined command.*$gdb_prompt $" {
69
                send_gdb "quit\n"
70
                exp_continue;
71
            }
72
            -re "DOSEXIT code" { }
73
            default { }
74
        }
75
    }
76
 
77
    if ![is_remote host] {
78
        remote_close host;
79
    }
80
    unset gdb_spawn_id
81
}
82
 
83
#
84
# start gdb -- start gdb running, default procedure
85
#
86
# When running over NFS, particularly if running many simultaneous
87
# tests on different hosts all using the same server, things can
88
# get really slow.  Give gdb at least 3 minutes to start up.
89
#
90
proc mi_gdb_start { } {
91
    global verbose
92
    global GDB
93
    global GDBFLAGS
94
    global gdb_prompt
95
    global mi_gdb_prompt
96
    global timeout
97
    global gdb_spawn_id;
98
    global MIFLAGS
99
 
100
    gdb_stop_suppressing_tests;
101
 
102
    verbose "Spawning $GDB -nw $GDBFLAGS $MIFLAGS"
103
 
104
    if [info exists gdb_spawn_id] {
105
        return 0;
106
    }
107
 
108
    if ![is_remote host] {
109
        if { [which $GDB] == 0 } then {
110
            perror "$GDB does not exist."
111
            exit 1
112
        }
113
    }
114
    set res [remote_spawn host "$GDB -nw $GDBFLAGS $MIFLAGS [host_info gdb_opts]"];
115
    if { $res < 0 || $res == "" } {
116
        perror "Spawning $GDB failed."
117
        return 1;
118
    }
119
    gdb_expect {
120
        -re ".*UI_OUT.*$mi_gdb_prompt$" {
121
            verbose "GDB initialized."
122
        }
123
        -re ".*$mi_gdb_prompt$" {
124
            untested "Skip mi tests (output not in headless format)."
125
            remote_close host;
126
            return -1;
127
        }
128
        -re ".*$gdb_prompt $" {
129
            untested "Skip mi tests (got non-mi prompt)."
130
            remote_close host;
131
            return -1;
132
        }
133
        -re ".*unrecognized option.*for a complete list of options." {
134
            untested "Skip mi tests (not compiled with mi support)."
135
            remote_close host;
136
            return -1;
137
        }
138
        timeout {
139
            perror "(timeout) GDB never initialized after 10 seconds."
140
            remote_close host;
141
            return -1
142
        }
143
    }
144
    set gdb_spawn_id -1;
145
 
146
    # FIXME: mi output does not go through pagers, so these can be removed.
147
    # force the height to "unlimited", so no pagers get used
148
    send_gdb "100-gdb-set height 0\n"
149
    gdb_expect 10 {
150
        -re ".*100-gdb-set height 0\r\n100\\\^done\r\n$mi_gdb_prompt$" {
151
            verbose "Setting height to 0." 2
152
        }
153
        timeout {
154
            warning "Couldn't set the height to 0"
155
        }
156
    }
157
    # force the width to "unlimited", so no wraparound occurs
158
    send_gdb "101-gdb-set width 0\n"
159
    gdb_expect 10 {
160
        -re ".*101-gdb-set width 0\r\n101\\\^done\r\n$mi_gdb_prompt$" {
161
            verbose "Setting width to 0." 2
162
        }
163
        timeout {
164
            warning "Couldn't set the width to 0."
165
        }
166
    }
167
 
168
    # Finally start SID.
169
    if { [info procs sid_start] != "" } {
170
        verbose "Spawning SID"
171
        sid_start
172
    }
173
 
174
    return 0;
175
}
176
 
177
# Many of the tests depend on setting breakpoints at various places and
178
# running until that breakpoint is reached.  At times, we want to start
179
# with a clean-slate with respect to breakpoints, so this utility proc
180
# lets us do this without duplicating this code everywhere.
181
#
182
 
183
proc mi_delete_breakpoints {} {
184
    global mi_gdb_prompt
185
 
186
# FIXME: The mi operation won't accept a prompt back and will use the 'all' arg
187
    send_gdb "102-break-delete\n"
188
    gdb_expect 30 {
189
         -re "Delete all breakpoints.*y or n.*$" {
190
            send_gdb "y\n";
191
            exp_continue
192
         }
193
         -re ".*102-break-delete\r\n102\\\^done\r\n$mi_gdb_prompt$" {
194
            # This happens if there were no breakpoints
195
         }
196
         timeout { perror "Delete all breakpoints in delete_breakpoints (timeout)" ; return }
197
    }
198
 
199
# The correct output is not "No breakpoints or watchpoints." but an
200
# empty BreakpointTable. Also, a query is not acceptable with mi.
201
    send_gdb "103-break-list\n"
202
    gdb_expect 30 {
203
         -re "103-break-list\r\n103\\\^done,BreakpointTable=\{\}\r\n$mi_gdb_prompt$" {}
204
         -re "103-break-list\r\n103\\\^doneNo breakpoints or watchpoints.\r\n\r\n$mi_gdb_prompt$" {warning "Unexpected console text received"}
205
         -re "$mi_gdb_prompt$" { perror "Breakpoints not deleted" ; return }
206
         -re "Delete all breakpoints.*or n.*$" {
207
            warning "Unexpected prompt for breakpoints deletion";
208
            send_gdb "y\n";
209
            exp_continue
210
        }
211
         timeout { perror "-break-list (timeout)" ; return }
212
    }
213
}
214
 
215
proc mi_gdb_reinitialize_dir { subdir } {
216
    global mi_gdb_prompt
217
 
218
    global suppress_flag
219
    if { $suppress_flag } {
220
        return
221
    }
222
 
223
    if [is_remote host] {
224
        return "";
225
    }
226
 
227
    send_gdb "104-environment-directory\n"
228
    gdb_expect 60 {
229
        -re ".*Reinitialize source path to empty.*y or n. " {
230
            warning "Got confirmation prompt for dir reinitialization."
231
            send_gdb "y\n"
232
            gdb_expect 60 {
233
                -re "$mi_gdb_prompt$" {}
234
                timeout {error "Dir reinitialization failed (timeout)"}
235
            }
236
        }
237
        -re "$mi_gdb_prompt$" {}
238
        timeout {error "Dir reinitialization failed (timeout)"}
239
    }
240
 
241
    send_gdb "105-environment-directory $subdir\n"
242
    gdb_expect 60 {
243
        -re "Source directories searched.*$mi_gdb_prompt$" {
244
            verbose "Dir set to $subdir"
245
        }
246
        -re "105\\\^done\r\n$mi_gdb_prompt$" {
247
            # FIXME: We return just the prompt for now.
248
            verbose "Dir set to $subdir"
249
            # perror "Dir \"$subdir\" failed."
250
        }
251
    }
252
}
253
 
254
#
255
# load a file into the debugger.
256
# return a -1 if anything goes wrong.
257
#
258
proc mi_gdb_load { arg } {
259
    global verbose
260
    global loadpath
261
    global loadfile
262
    global GDB
263
    global mi_gdb_prompt
264
    upvar timeout timeout
265
 
266
    # ``gdb_unload''
267
 
268
    # ``gdb_file_cmd''
269
# FIXME: Several of these patterns are only acceptable for console
270
# output.  Queries are an error for mi.
271
    send_gdb "105-file-exec-and-symbols $arg\n"
272
    gdb_expect 120 {
273
        -re "Reading symbols from.*done.*$mi_gdb_prompt$" {
274
            verbose "\t\tLoaded $arg into the $GDB"
275
            # All OK
276
        }
277
        -re "has no symbol-table.*$mi_gdb_prompt$" {
278
            perror "$arg wasn't compiled with \"-g\""
279
            return -1
280
        }
281
        -re "A program is being debugged already.*Kill it.*y or n. $" {
282
            send_gdb "y\n"
283
                verbose "\t\tKilling previous program being debugged"
284
            exp_continue
285
        }
286
        -re "Load new symbol table from \".*\".*y or n. $" {
287
            send_gdb "y\n"
288
            gdb_expect 120 {
289
                -re "Reading symbols from.*done.*$mi_gdb_prompt$" {
290
                    verbose "\t\tLoaded $arg with new symbol table into $GDB"
291
                    # All OK
292
                }
293
                timeout {
294
                    perror "(timeout) Couldn't load $arg, other program already loaded."
295
                    return -1
296
                }
297
            }
298
        }
299
        -re "No such file or directory.*$mi_gdb_prompt$" {
300
            perror "($arg) No such file or directory\n"
301
            return -1
302
        }
303
        -re "105-file-exec-and-symbols .*\r\n105\\\^done\r\n$mi_gdb_prompt$" {
304
            # We are just giving the prompt back for now
305
            # All OK
306
            }
307
        timeout {
308
            perror "couldn't load $arg into $GDB (timed out)."
309
            return -1
310
        }
311
        eof {
312
            # This is an attempt to detect a core dump, but seems not to
313
            # work.  Perhaps we need to match .* followed by eof, in which
314
            # gdb_expect does not seem to have a way to do that.
315
            perror "couldn't load $arg into $GDB (end of file)."
316
            return -1
317
        }
318
    }
319
 
320
    # ``load''
321
    if { [info procs send_target_sid] != "" } {
322
        # For SID, things get complex
323
        send_target_sid
324
        gdb_expect 60 {
325
            -re "\\^done,.*$mi_gdb_prompt$" {
326
            }
327
            timeout {
328
                perror "Unable to connect to SID target"
329
                return -1
330
            }
331
        }
332
        send_gdb "48-target-download\n"
333
        gdb_expect 10 {
334
            -re "48\\^done.*$mi_gdb_prompt$" {
335
            }
336
            timeout {
337
                perror "Unable to download to SID target"
338
                return -1
339
            }
340
        }
341
    } elseif { [target_info protocol] == "sim" } {
342
        # For the simulator, just connect to it directly.
343
        send_gdb "47-target-select sim\n"
344
        gdb_expect 10 {
345
            -re "47\\^connected.*$mi_gdb_prompt$" {
346
            }
347
            timeout {
348
                perror "Unable to select sim target"
349
                return -1
350
            }
351
        }
352
        send_gdb "48-target-download\n"
353
        gdb_expect 10 {
354
            -re "48\\^done.*$mi_gdb_prompt$" {
355
            }
356
            timeout {
357
                perror "Unable to download to sim target"
358
                return -1
359
            }
360
        }
361
    }
362
    return 0
363
}
364
 
365
# mi_gdb_test COMMAND PATTERN MESSAGE -- send a command to gdb; test the result.
366
#
367
# COMMAND is the command to execute, send to GDB with send_gdb.  If
368
#   this is the null string no command is sent.
369
# PATTERN is the pattern to match for a PASS, and must NOT include
370
#   the \r\n sequence immediately before the gdb prompt.
371
# MESSAGE is an optional message to be printed.  If this is
372
#   omitted, then the pass/fail messages use the command string as the
373
#   message.  (If this is the empty string, then sometimes we don't
374
#   call pass or fail at all; I don't understand this at all.)
375
#
376
# Returns:
377
#    1 if the test failed,
378
#    0 if the test passes,
379
#   -1 if there was an internal error.
380
#
381
proc mi_gdb_test { args } {
382
    global verbose
383
    global mi_gdb_prompt
384
    global GDB
385
    upvar timeout timeout
386
 
387
    if [llength $args]>2 then {
388
        set message [lindex $args 2]
389
    } else {
390
        set message [lindex $args 0]
391
    }
392
    set command [lindex $args 0]
393
    set pattern [lindex $args 1]
394
 
395
    if [llength $args]==5 {
396
        set question_string [lindex $args 3];
397
        set response_string [lindex $args 4];
398
    } else {
399
        set question_string "^FOOBAR$"
400
    }
401
 
402
    if $verbose>2 then {
403
        send_user "Sending \"$command\" to gdb\n"
404
        send_user "Looking to match \"$pattern\"\n"
405
        send_user "Message is \"$message\"\n"
406
    }
407
 
408
    set result -1
409
    set string "${command}\n";
410
    if { $command != "" } {
411
        while { "$string" != "" } {
412
            set foo [string first "\n" "$string"];
413
            set len [string length "$string"];
414
            if { $foo < [expr $len - 1] } {
415
                set str [string range "$string" 0 $foo];
416
                if { [send_gdb "$str"] != "" } {
417
                    global suppress_flag;
418
 
419
                    if { ! $suppress_flag } {
420
                        perror "Couldn't send $command to GDB.";
421
                    }
422
                    fail "$message";
423
                    return $result;
424
                }
425
                gdb_expect 2 {
426
                    -re "\[\r\n\]" { }
427
                    timeout { }
428
                }
429
                set string [string range "$string" [expr $foo + 1] end];
430
            } else {
431
                break;
432
            }
433
        }
434
        if { "$string" != "" } {
435
            if { [send_gdb "$string"] != "" } {
436
                global suppress_flag;
437
 
438
                if { ! $suppress_flag } {
439
                    perror "Couldn't send $command to GDB.";
440
                }
441
                fail "$message";
442
                return $result;
443
            }
444
        }
445
    }
446
 
447
    if [info exists timeout] {
448
        set tmt $timeout;
449
    } else {
450
        global timeout;
451
        if [info exists timeout] {
452
            set tmt $timeout;
453
        } else {
454
            set tmt 60;
455
        }
456
    }
457
    gdb_expect $tmt {
458
         -re "\\*\\*\\* DOSEXIT code.*" {
459
             if { $message != "" } {
460
                 fail "$message";
461
             }
462
             gdb_suppress_entire_file "GDB died";
463
             return -1;
464
         }
465
         -re "Ending remote debugging.*$mi_gdb_prompt\[ \]*$" {
466
            if ![isnative] then {
467
                warning "Can`t communicate to remote target."
468
            }
469
            gdb_exit
470
            gdb_start
471
            set result -1
472
        }
473
         -re "(${question_string})$" {
474
            send_gdb "$response_string\n";
475
            exp_continue;
476
        }
477
         -re "Undefined.* command:.*$mi_gdb_prompt\[ \]*$" {
478
            perror "Undefined command \"$command\"."
479
            fail "$message"
480
            set result 1
481
        }
482
         -re "Ambiguous command.*$mi_gdb_prompt\[ \]*$" {
483
            perror "\"$command\" is not a unique command name."
484
            fail "$message"
485
            set result 1
486
        }
487
         -re "\[\r\n\]*($pattern)\[\r\n\]+$mi_gdb_prompt\[ \]*$" {
488
            if ![string match "" $message] then {
489
                pass "$message"
490
            }
491
            set result 0
492
        }
493
         -re "Program exited with code \[0-9\]+.*$mi_gdb_prompt\[ \]*$" {
494
            if ![string match "" $message] then {
495
                set errmsg "$message: the program exited"
496
            } else {
497
                set errmsg "$command: the program exited"
498
            }
499
            fail "$errmsg"
500
            return -1
501
        }
502
         -re "The program is not being run.*$mi_gdb_prompt\[ \]*$" {
503
            if ![string match "" $message] then {
504
                set errmsg "$message: the program is no longer running"
505
            } else {
506
                set errmsg "$command: the program is no longer running"
507
            }
508
            fail "$errmsg"
509
            return -1
510
        }
511
         -re ".*$mi_gdb_prompt\[ \]*$" {
512
            if ![string match "" $message] then {
513
                fail "$message"
514
            }
515
            set result 1
516
        }
517
         "" {
518
            send_gdb "\n"
519
            perror "Window too small."
520
            fail "$message"
521
        }
522
         -re "\\(y or n\\) " {
523
            send_gdb "n\n"
524
            perror "Got interactive prompt."
525
            fail "$message"
526
        }
527
         eof {
528
             perror "Process no longer exists"
529
             if { $message != "" } {
530
                 fail "$message"
531
             }
532
             return -1
533
        }
534
         full_buffer {
535
            perror "internal buffer is full."
536
            fail "$message"
537
        }
538
        timeout {
539
            if ![string match "" $message] then {
540
                fail "$message (timeout)"
541
            }
542
            set result 1
543
        }
544
    }
545
    return $result
546
}
547
 
548
#
549
# MI run command.  (A modified version of gdb_run_cmd)
550
#
551
 
552
# In patterns, the newline sequence ``\r\n'' is matched explicitly as
553
# ``.*$'' could swallow up output that we attempt to match elsewhere.
554
 
555
proc mi_run_cmd {args} {
556
    global suppress_flag
557
    if { $suppress_flag } {
558
        return -1
559
    }
560
    global mi_gdb_prompt
561
 
562
    if [target_info exists gdb_init_command] {
563
        send_gdb "[target_info gdb_init_command]\n";
564
        gdb_expect 30 {
565
            -re "$mi_gdb_prompt$" { }
566
            default {
567
                perror "gdb_init_command for target failed";
568
                return;
569
            }
570
        }
571
    }
572
 
573
    if [target_info exists use_gdb_stub] {
574
        if [target_info exists gdb,do_reload_on_run] {
575
            # Specifying no file, defaults to the executable
576
            # currently being debugged.
577
            if { [mi_gdb_load ""] < 0 } {
578
                return;
579
            }
580
            send_gdb "000-exec-continue\n";
581
            gdb_expect 60 {
582
                -re "Continu\[^\r\n\]*\[\r\n\]" {}
583
                default {}
584
            }
585
            return;
586
        }
587
    }
588
 
589
    send_gdb "000-exec-run $args\n"
590
    gdb_expect {
591
        -re "000\\^running\r\n${mi_gdb_prompt}" {
592
        }
593
        timeout {
594
            perror "Unable to start target"
595
            return
596
        }
597
    }
598
    # NOTE: Shortly after this there will be a ``000*stopping,...(gdb)''
599
}
600
 
601
#
602
# Just like run-to-main but works with the MI interface
603
#
604
 
605
proc mi_run_to_main { } {
606
    global suppress_flag
607
    if { $suppress_flag } {
608
        return -1
609
    }
610
 
611
    global mi_gdb_prompt
612
    global hex
613
    global decimal
614
    global srcdir
615
    global subdir
616
    global binfile
617
    global srcfile
618
 
619
    set test "mi run-to-main"
620
    mi_delete_breakpoints
621
    mi_gdb_reinitialize_dir $srcdir/$subdir
622
    mi_gdb_load ${binfile}
623
 
624
    mi_gdb_test "200-break-insert main" \
625
            "200\\^done,bkpt=\{number=\"1\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"main\",file=\".*\",line=\"\[0-9\]*\",times=\"0\"\}" \
626
            "breakpoint at main"
627
 
628
    mi_run_cmd
629
    gdb_expect {
630
        -re "000\\*stopped,reason=\"breakpoint-hit\",bkptno=\"1\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\"main\",args=\{\},file=\".*\",line=\"\[0-9\]*\"\}\r\n$mi_gdb_prompt$" {
631
            pass "$test"
632
            return 0
633
        }
634
        timeout {
635
            fail "$test (timeout)"
636
            return -1
637
        }
638
    }
639
}
640
 
641
 
642
# Next to the next statement
643
 
644
proc mi_next { test } {
645
    global suppress_flag
646
    if { $suppress_flag } {
647
        return -1
648
    }
649
    global mi_gdb_prompt
650
    send_gdb "220-exec-next\n"
651
    gdb_expect {
652
        -re "220\\^running\r\n${mi_gdb_prompt}220\\*stopped,reason=\"end-stepping-range\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\".*\",args=\{.*\},,file=\".*\",line=\"\[0-9\]*\"\}\r\n$mi_gdb_prompt$" {
653
            pass "$test"
654
            return 0
655
        }
656
        timeout {
657
            fail "$test"
658
            return -1
659
        }
660
    }
661
}
662
 
663
 
664
# Step to the next statement
665
 
666
proc mi_step { test } {
667
    global suppress_flag
668
    if { $suppress_flag } {
669
        return -1
670
    }
671
    global mi_gdb_prompt
672
    send_gdb "220-exec-step\n"
673
    gdb_expect {
674
        -re "220\\^running\r\n${mi_gdb_prompt}220\\*stopped,reason=\"end-stepping-range\",thread-id=\"$decimal\",frame=\{addr=\"$hex\",func=\".*\",args=\{.*\},,file=\".*\",line=\"\[0-9\]*\"\}\r\n$mi_gdb_prompt$" {
675
            pass "$test"
676
            return 0
677
        }
678
        timeout {
679
            fail "$test"
680
            return -1
681
        }
682
    }
683
}
684
 
685
 
686
# Local variables:
687
# change-log-default-name: "../gdb.mi/ChangeLog-mi"
688
# End:

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