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[/] [or1k/] [trunk/] [gdb-5.3/] [gdb/] [testsuite/] [gdb.base/] [break.exp] - Blame information for rev 1765

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1 1181 sfurman
#   Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
2
#   2000, 2002
3
#   Free Software Foundation, Inc.
4
 
5
# This program is free software; you can redistribute it and/or modify
6
# it under the terms of the GNU General Public License as published by
7
# the Free Software Foundation; either version 2 of the License, or
8
# (at your option) any later version.
9
#
10
# This program is distributed in the hope that it will be useful,
11
# but WITHOUT ANY WARRANTY; without even the implied warranty of
12
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
# GNU General Public License for more details.
14
#
15
# You should have received a copy of the GNU General Public License
16
# along with this program; if not, write to the Free Software
17
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18
 
19
# Please email any bugs, comments, and/or additions to this file to:
20
# bug-gdb@prep.ai.mit.edu
21
 
22
# This file was written by Rob Savoye. (rob@cygnus.com)
23
 
24
if $tracelevel then {
25
    strace $tracelevel
26
}
27
 
28
 
29
#
30
# test running programs
31
#
32
set prms_id 0
33
set bug_id 0
34
 
35
set testfile "break"
36
set srcfile ${testfile}.c
37
set binfile ${objdir}/${subdir}/${testfile}
38
 
39
if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
40
    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
41
}
42
 
43
if [get_compiler_info ${binfile}] {
44
    return -1
45
}
46
 
47
gdb_exit
48
gdb_start
49
gdb_reinitialize_dir $srcdir/$subdir
50
gdb_load ${binfile}
51
 
52
if [target_info exists gdb_stub] {
53
    gdb_step_for_stub;
54
}
55
#
56
# test simple breakpoint setting commands
57
#
58
 
59
# Test deleting all breakpoints when there are none installed,
60
# GDB should not prompt for confirmation.
61
# Note that gdb-init.exp provides a "delete_breakpoints" proc
62
# for general use elsewhere.
63
 
64
send_gdb "delete breakpoints\n"
65
gdb_expect {
66
     -re "Delete all breakpoints.*$" {
67
            send_gdb "y\n"
68
            gdb_expect {
69
                -re "$gdb_prompt $" {
70
                    fail "Delete all breakpoints when none (unexpected prompt)"
71
                }
72
                timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
73
            }
74
        }
75
     -re ".*$gdb_prompt $"       { pass "Delete all breakpoints when none" }
76
    timeout                 { fail "Delete all breakpoints when none (timeout)" }
77
}
78
 
79
#
80
# test break at function
81
#
82
gdb_test "break main" \
83
    "Breakpoint.*at.* file .*$srcfile, line.*" \
84
    "breakpoint function"
85
 
86
#
87
# test break at quoted function
88
#
89
gdb_test "break \"marker2\"" \
90
    "Breakpoint.*at.* file .*$srcfile, line.*" \
91
    "breakpoint quoted function"
92
 
93
#
94
# test break at function in file
95
#
96
gdb_test "break $srcfile:factorial" \
97
    "Breakpoint.*at.* file .*$srcfile, line.*" \
98
    "breakpoint function in file"
99
 
100
#
101
# test break at line number
102
#
103
# Note that the default source file is the last one whose source text
104
# was printed.  For native debugging, before we've executed the
105
# program, this is the file containing main, but for remote debugging,
106
# it's wherever the processor was stopped when we connected to the
107
# board.  So, to be sure, we do a list command.
108
#
109
gdb_test "list main" \
110
    ".*main \\(argc, argv, envp\\).*" \
111
    "use `list' to establish default source file"
112
gdb_test "break 79" \
113
    "Breakpoint.*at.* file .*$srcfile, line 79\\." \
114
    "breakpoint line number"
115
 
116
#
117
# test duplicate breakpoint
118
#
119
gdb_test "break 79" \
120
    "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line 79\\." \
121
    "breakpoint duplicate"
122
 
123
#
124
# test break at line number in file
125
#
126
gdb_test "break $srcfile:85" \
127
    "Breakpoint.*at.* file .*$srcfile, line 85\\." \
128
    "breakpoint line number in file"
129
 
130
 
131
#
132
# Test putting a break at the start of a multi-line if conditional.
133
# Verify the breakpoint was put at the start of the conditional.
134
#
135
gdb_test "break multi_line_if_conditional" \
136
    "Breakpoint.*at.* file .*$srcfile, line 109\\." \
137
    "breakpoint at start of multi line if conditional"
138
 
139
gdb_test "break multi_line_while_conditional" \
140
    "Breakpoint.*at.* file .*$srcfile, line 124\\." \
141
    "breakpoint at start of multi line while conditional"
142
 
143
#
144
# check to see what breakpoints are set
145
#
146
if [target_info exists gdb_stub] {
147
    set main_line 72
148
} else {
149
    set main_line 75
150
}
151
 
152
if {$hp_aCC_compiler} {
153
    set proto "\\(int\\)"
154
} else {
155
    set proto ""
156
}
157
gdb_test "info break" \
158
    "Num Type\[ \]+Disp Enb Address\[ \]+What.*
159
\[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*
160
\[0-9\]+\[\t \]+breakpoint     keep y.* in marker2 at .*$srcfile:4\[49\].*
161
\[0-9\]+\[\t \]+breakpoint     keep y.* in factorial$proto at .*$srcfile:96.*
162
\[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:79.*
163
\[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:79.*
164
\[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:85.*
165
\[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_if_conditional at .*$srcfile:109.*
166
\[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_while_conditional at .*$srcfile:124" \
167
    "breakpoint info"
168
 
169
 
170
# FIXME: The rest of this test doesn't work with anything that can't
171
# handle arguments.
172
# Huh? There doesn't *appear* to be anything that passes arguments
173
# below.
174
if [istarget "mips-idt-*"] then {
175
    return
176
}
177
 
178
#
179
# run until the breakpoint at main is hit. For non-stubs-using targets.
180
#
181
if ![target_info exists use_gdb_stub] {
182
  if [istarget "*-*-vxworks*"] then {
183
    send_gdb "run vxmain \"2\"\n"
184
    set timeout 120
185
    verbose "Timeout is now $timeout seconds" 2
186
  } else {
187
        send_gdb "run\n"
188
  }
189
  gdb_expect {
190
    -re "The program .* has been started already.*y or n. $" {
191
        send_gdb "y\n"
192
        exp_continue
193
    }
194
    -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:75.*75\[\t \]+if .argc.* \{.*$gdb_prompt $"\
195
                            { pass "run until function breakpoint" }
196
    -re ".*$gdb_prompt $"       { fail "run until function breakpoint" }
197
    timeout                 { fail "run until function breakpoint (timeout)" }
198
  }
199
} else {
200
    if ![target_info exists gdb_stub] {
201
        gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:75.*75\[\t \]+if .argc.*\{.*" "stub continue"
202
    }
203
}
204
 
205
#
206
# run until the breakpoint at a line number
207
#
208
gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:79.*79\[\t \]+printf.*factorial.*" \
209
                        "run until breakpoint set at a line number"
210
 
211
#
212
# Run until the breakpoint set in a function in a file
213
#
214
for {set i 6} {$i >= 1} {incr i -1} {
215
        gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:96.*96\[\t \]+.*if .value > 1. \{.*" \
216
                        "run until file:function($i) breakpoint"
217
}
218
 
219
#
220
# Run until the breakpoint set at a quoted function
221
#
222
gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile:4\[49\].*" \
223
                "run until quoted breakpoint"
224
#
225
# run until the file:function breakpoint at a line number in a file
226
#
227
gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:85.*85\[\t \]+argc = \\(argc == 12345\\);.*" \
228
                "run until file:linenum breakpoint"
229
 
230
# Test break at offset +1
231
 
232
gdb_test "break +1" \
233
    "Breakpoint.*at.* file .*$srcfile, line 86\\." \
234
    "breakpoint offset +1"
235
 
236
# Check to see if breakpoint is hit when stepped onto
237
 
238
gdb_test "step" \
239
    ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:86.*86\[\t \]+return argc;" \
240
    "step onto breakpoint"
241
 
242
#
243
# delete all breakpoints so we can start over, course this can be a test too
244
#
245
delete_breakpoints
246
 
247
#
248
# test temporary breakpoint at function
249
#
250
 
251
gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
252
 
253
#
254
# test break at function in file
255
#
256
 
257
gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \
258
        "Temporary breakpoint function in file"
259
 
260
#
261
# test break at line number
262
#
263
send_gdb "tbreak 79\n"
264
gdb_expect {
265
    -re "Breakpoint.*at.* file .*$srcfile, line 79.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
266
        -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number #1" }
267
        timeout     { fail "breakpoint line number #1 (timeout)" }
268
}
269
 
270
gdb_test "tbreak 75" "Breakpoint.*at.* file .*$srcfile, line 75.*" "Temporary breakpoint line number #2"
271
 
272
#
273
# test break at line number in file
274
#
275
send_gdb "tbreak $srcfile:85\n"
276
gdb_expect {
277
    -re "Breakpoint.*at.* file .*$srcfile, line 85.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
278
        -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number in file #1" }
279
        timeout     { fail "Temporary breakpoint line number in file #1 (timeout)" }
280
}
281
 
282
gdb_test  "tbreak $srcfile:81" "Breakpoint.*at.* file .*$srcfile, line 81.*" "Temporary breakpoint line number in file #2"
283
 
284
#
285
# check to see what breakpoints are set (temporary this time)
286
#
287
gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
288
\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
289
\[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial$proto at .*$srcfile:96.*\[\r\n\]
290
\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:79.*\[\r\n\]
291
\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:75.*\[\r\n\]
292
\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:85.*\[\r\n\]
293
\[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:81.*" \
294
    "Temporary breakpoint info"
295
 
296
 
297
#***********
298
 
299
# Verify that catchpoints for fork, vfork and exec don't trigger
300
# inappropriately.  (There are no calls to those system functions
301
# in this test program.)
302
#
303
if ![runto_main] then { fail "break tests suppressed" }
304
 
305
send_gdb "catch\n"
306
gdb_expect {
307
  -re "Catch requires an event name.*$gdb_prompt $"\
308
          {pass "catch requires an event name"}
309
  -re "$gdb_prompt $"\
310
          {fail "catch requires an event name"}
311
  timeout {fail "(timeout) catch requires an event name"}
312
}
313
 
314
 
315
set name "set catch fork, never expected to trigger"
316
send_gdb "catch fork\n"
317
gdb_expect {
318
  -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
319
          {pass $name}
320
  -re "Catch of fork not yet implemented.*$gdb_prompt $"
321
          {pass $name}
322
  -re "$gdb_prompt $"
323
          {fail $name}
324
  timeout {fail "(timeout) $name"}
325
}
326
 
327
 
328
set name "set catch vfork, never expected to trigger"
329
send_gdb "catch vfork\n"
330
 
331
# If we are on HP-UX 10.20, we expect an error message to be
332
# printed if we type "catch vfork" at the gdb gdb_prompt.  This is
333
# because on HP-UX 10.20, we cannot catch vfork events.
334
 
335
if [istarget "hppa*-hp-hpux10.20"] then {
336
    gdb_expect {
337
        -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
338
                {pass $name}
339
        -re "$gdb_prompt $"
340
                {fail $name}
341
        timeout {fail "(timeout) $name"}
342
    }
343
} else {
344
    gdb_expect {
345
        -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
346
                {pass $name}
347
        -re "Catch of vfork not yet implemented.*$gdb_prompt $"
348
                {pass $name}
349
        -re "$gdb_prompt $"
350
                {fail $name}
351
        timeout {fail "(timeout) $name"}
352
    }
353
}
354
 
355
set name "set catch exec, never expected to trigger"
356
send_gdb "catch exec\n"
357
gdb_expect {
358
  -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
359
          {pass $name}
360
  -re "Catch of exec not yet implemented.*$gdb_prompt $"
361
          {pass $name}
362
  -re "$gdb_prompt $" {fail $name}
363
  timeout {fail "(timeout) $name"}
364
}
365
 
366
# Verify that "until " works.  (This is really just syntactic
367
# sugar for "tbreak ; continue".)
368
#
369
send_gdb "until 79\n"
370
gdb_expect {
371
  -re "main .* at .*:79.*$gdb_prompt $"\
372
          {pass "until 79"}
373
  -re "$gdb_prompt $"\
374
          {fail "until 79"}
375
  timeout {fail "(timeout) until 79"}
376
}
377
 
378
# Verify that a malformed "until" is gracefully caught.
379
#
380
send_gdb "until 80 then stop\n"
381
gdb_expect {
382
  -re "Junk at end of arguments..*$gdb_prompt $"\
383
          {pass "malformed until"}
384
  -re "$gdb_prompt $"\
385
          {fail "malformed until"}
386
  timeout {fail "(timeout) malformed until"}
387
}
388
 
389
# Verify that GDB responds gracefully when asked to set a breakpoint
390
# on a nonexistent source line.
391
#
392
send_gdb "break 999\n"
393
gdb_expect {
394
  -re "No line 999 in file .*$gdb_prompt $"\
395
          {pass "break on non-existent source line"}
396
  -re "$gdb_prompt $"\
397
          {fail "break on non-existent source line"}
398
  timeout {fail "(timeout) break on non-existent source line"}
399
}
400
 
401
# Verify that GDB allows one to just say "break", which is treated
402
# as the "default" breakpoint.  Note that GDB gets cute when printing
403
# the informational message about other breakpoints at the same
404
# location.  We'll hit that bird with this stone too.
405
#
406
send_gdb "break\n"
407
gdb_expect {
408
  -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
409
          {pass "break on default location, 1st time"}
410
  -re "$gdb_prompt $"\
411
          {fail "break on default location, 1st time"}
412
  timeout {fail "(timeout) break on default location, 1st time"}
413
}
414
 
415
send_gdb "break\n"
416
gdb_expect {
417
  -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
418
          {pass "break on default location, 2nd time"}
419
  -re "$gdb_prompt $"\
420
          {fail "break on default location, 2nd time"}
421
  timeout {fail "(timeout) break on default location, 2nd time"}
422
}
423
 
424
send_gdb "break\n"
425
gdb_expect {
426
  -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
427
          {pass "break on default location, 3rd time"}
428
  -re "$gdb_prompt $"\
429
          {fail "break on default location, 3rd time"}
430
  timeout {fail "(timeout) break on default location, 3rd time"}
431
}
432
 
433
send_gdb "break\n"
434
gdb_expect {
435
  -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
436
          {pass "break on default location, 4th time"}
437
  -re "$gdb_prompt $"\
438
          {fail "break on default location, 4th time"}
439
  timeout {fail "(timeout) break on default location, 4th time"}
440
}
441
 
442
# Verify that a "silent" breakpoint can be set, and that GDB is indeed
443
# "silent" about its triggering.
444
#
445
if ![runto_main] then { fail "break tests suppressed" }
446
 
447
send_gdb "break 79\n"
448
gdb_expect {
449
  -re "Breakpoint (\[0-9\]*) at .*, line 79.*$gdb_prompt $"\
450
          {pass "set to-be-silent break 79"}
451
  -re "$gdb_prompt $"\
452
          {fail "set to-be-silent break 79"}
453
  timeout {fail "(timeout) set to-be-silent break 79"}
454
}
455
 
456
send_gdb "commands $expect_out(1,string)\n"
457
send_gdb "silent\n"
458
send_gdb "end\n"
459
gdb_expect {
460
  -re ".*$gdb_prompt $"\
461
          {pass "set silent break 79"}
462
  timeout {fail "(timeout) set silent break 79"}
463
}
464
 
465
send_gdb "info break $expect_out(1,string)\n"
466
gdb_expect {
467
  -re "\[0-9\]*\[ \t\]*breakpoint.*:79\r\n\[ \t\]*silent.*$gdb_prompt $"\
468
          {pass "info silent break 79"}
469
  -re "$gdb_prompt $"\
470
          {fail "info silent break 79"}
471
  timeout {fail "(timeout) info silent break 79"}
472
}
473
send_gdb "continue\n"
474
gdb_expect {
475
  -re "Continuing.\r\n$gdb_prompt $"\
476
          {pass "hit silent break 79"}
477
  -re "$gdb_prompt $"\
478
          {fail "hit silent break 79"}
479
  timeout {fail "(timeout) hit silent break 79"}
480
}
481
send_gdb "bt\n"
482
gdb_expect {
483
  -re "#0  main .* at .*:79.*$gdb_prompt $"\
484
          {pass "stopped for silent break 79"}
485
  -re "$gdb_prompt $"\
486
          {fail "stopped for silent break 79"}
487
  timeout {fail "(timeout) stopped for silent break 79"}
488
}
489
 
490
# Verify that GDB can at least parse a breakpoint with the
491
# "thread" keyword.  (We won't attempt to test here that a
492
# thread-specific breakpoint really triggers appropriately.
493
# The gdb.threads subdirectory contains tests for that.)
494
#
495
send_gdb "break 80 thread 999\n"
496
gdb_expect {
497
  -re "Unknown thread 999.*$gdb_prompt $"\
498
          {pass "thread-specific breakpoint on non-existent thread disallowed"}
499
  -re "$gdb_prompt $"\
500
          {fail "thread-specific breakpoint on non-existent thread disallowed"}
501
  timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
502
}
503
send_gdb "break 80 thread foo\n"
504
gdb_expect {
505
  -re "Junk after thread keyword..*$gdb_prompt $"\
506
          {pass "thread-specific breakpoint on bogus thread ID disallowed"}
507
  -re "$gdb_prompt $"\
508
          {fail "thread-specific breakpoint on bogus thread ID disallowed"}
509
  timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
510
}
511
 
512
# Verify that GDB responds gracefully to a breakpoint command with
513
# trailing garbage.
514
#
515
send_gdb "break 80 foo\n"
516
gdb_expect {
517
  -re "Junk at end of arguments..*$gdb_prompt $"\
518
          {pass "breakpoint with trailing garbage disallowed"}
519
  -re "$gdb_prompt $"\
520
          {fail "breakpoint with trailing garbage disallowed"}
521
  timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}
522
}
523
 
524
# Verify that GDB responds gracefully to a "clear" command that has
525
# no matching breakpoint.  (First, get us off the current source line,
526
# which we know has a breakpoint.)
527
#
528
send_gdb "next\n"
529
gdb_expect {
530
  -re ".*$gdb_prompt $"\
531
          {pass "step over breakpoint"}
532
  timeout {fail "(timeout) step over breakpoint"}
533
}
534
send_gdb "clear 81\n"
535
gdb_expect {
536
  -re "No breakpoint at 81..*$gdb_prompt $"\
537
          {pass "clear line has no breakpoint disallowed"}
538
  -re "$gdb_prompt $"\
539
          {fail "clear line has no breakpoint disallowed"}
540
  timeout {fail "(timeout) clear line has no breakpoint disallowed"}
541
}
542
send_gdb "clear\n"
543
gdb_expect {
544
  -re "No breakpoint at this line..*$gdb_prompt $"\
545
          {pass "clear current line has no breakpoint disallowed"}
546
  -re "$gdb_prompt $"\
547
          {fail "clear current line has no breakpoint disallowed"}
548
  timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
549
}
550
 
551
# Verify that we can set and clear multiple breakpoints.
552
#
553
# We don't test that it deletes the correct breakpoints.  We do at
554
# least test that it deletes more than one breakpoint.
555
#
556
gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
557
gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
558
gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
559
 
560
# Verify that a breakpoint can be set via a convenience variable.
561
#
562
send_gdb "set \$foo=81\n"
563
gdb_expect {
564
  -re "$gdb_prompt $"\
565
          {pass "set convenience variable \$foo to 81"}
566
  timeout {fail "(timeout) set convenience variable \$foo to 81"}
567
}
568
send_gdb "break \$foo\n"
569
gdb_expect {
570
  -re "Breakpoint (\[0-9\]*) at .*, line 81.*$gdb_prompt $"\
571
          {pass "set breakpoint via convenience variable"}
572
  -re "$gdb_prompt $"\
573
          {fail "set breakpoint via convenience variable"}
574
  timeout {fail "(timeout) set breakpoint via convenience variable"}
575
}
576
 
577
# Verify that GDB responds gracefully to an attempt to set a
578
# breakpoint via a convenience variable whose type is not integer.
579
#
580
send_gdb "set \$foo=81.5\n"
581
gdb_expect {
582
  -re "$gdb_prompt $"\
583
          {pass "set convenience variable \$foo to 81.5"}
584
  timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
585
}
586
send_gdb "break \$foo\n"
587
gdb_expect {
588
  -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\
589
          {pass "set breakpoint via non-integer convenience variable disallowed"}
590
  -re "$gdb_prompt $"\
591
          {fail "set breakpoint via non-integer convenience variable disallowed"}
592
  timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}
593
}
594
 
595
# Verify that we can set and trigger a breakpoint in a user-called function.
596
#
597
send_gdb "break marker2\n"
598
gdb_expect {
599
    -re "Breakpoint (\[0-9\]*) at .*, line 4\[49\].*$gdb_prompt $"\
600
          {pass "set breakpoint on to-be-called function"}
601
  -re "$gdb_prompt $"\
602
          {fail "set breakpoint on to-be-called function"}
603
  timeout {fail "(timeout) set breakpoint on to-be-called function"}
604
}
605
send_gdb "print marker2(99)\n"
606
gdb_expect {
607
  -re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2$proto. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\
608
          {pass "hit breakpoint on called function"}
609
  -re "$gdb_prompt $"\
610
          {fail "hit breakpoint on called function"}
611
  timeout {fail "(timeout) hit breakpoint on called function"}
612
}
613
 
614
# As long as we're stopped (breakpointed) in a called function,
615
# verify that we can successfully backtrace & such from here.
616
#
617
# In this and the following test, the _sr4export check apparently is needed
618
# for hppa*-*-hpux.
619
#
620
send_gdb "bt\n"
621
gdb_expect {
622
    -re "#0\[ \t\]*($hex in )?marker2.*:4\[49\]\r\n#1.*_sr4export.*$gdb_prompt $"\
623
            {pass "backtrace while in called function"}
624
    -re "#0\[ \t\]*($hex in )?marker2.*:4\[49\]\r\n#1.*function called from gdb.*$gdb_prompt $"\
625
            {pass "backtrace while in called function"}
626
    -re "$gdb_prompt $"\
627
            {fail "backtrace while in called function"}
628
    timeout {fail "(timeout) backtrace while in called function"}
629
}
630
 
631
# Return from the called function.  For remote targets, it's important to do
632
# this before runto_main, which otherwise may silently stop on the dummy
633
# breakpoint inserted by GDB at the program's entry point.
634
#
635
send_gdb "finish\n"
636
gdb_expect {
637
    -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.* in _sr4export.*$gdb_prompt $"\
638
            {pass "finish from called function"}
639
    -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.*function called from gdb.*$gdb_prompt $"\
640
            {pass "finish from called function"}
641
    -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.*Value returned.*$gdb_prompt $"\
642
            {pass "finish from called function"}
643
    -re "$gdb_prompt $"\
644
            {fail "finish from called function"}
645
    timeout {fail "(timeout) finish from called function"}
646
}
647
 
648
# Verify that GDB responds gracefully to a "finish" command with
649
# arguments.
650
#
651
if ![runto_main] then { fail "break tests suppressed" }
652
 
653
send_gdb "finish 123\n"
654
gdb_expect {
655
  -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
656
          {pass "finish with arguments disallowed"}
657
  -re "$gdb_prompt $"\
658
          {fail "finish with arguments disallowed"}
659
  timeout {fail "(timeout) finish with arguments disallowed"}
660
}
661
 
662
# Verify that GDB responds gracefully to a request to "finish" from
663
# the outermost frame.  On a stub that never exits, this will just
664
# run to the stubs routine, so we don't get this error...  Thus the
665
# second condition.
666
#
667
 
668
send_gdb "finish\n"
669
gdb_expect {
670
  -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
671
          {pass "finish from outermost frame disallowed"}
672
  -re "Run till exit from.*\r\n$gdb_prompt $" {
673
     pass "finish from outermost frame disallowed"
674
  }
675
  -re "$gdb_prompt $"\
676
          {fail "finish from outermost frame disallowed"}
677
  timeout {fail "(timeout) finish from outermost frame disallowed"}
678
}
679
 
680
# Verify that we can explicitly ask GDB to stop on all shared library
681
# events, and that it does so.
682
#
683
if [istarget "hppa*-*-hpux*"] then {
684
  if ![runto_main] then { fail "break tests suppressed" }
685
 
686
  send_gdb "set stop-on-solib-events 1\n"
687
  gdb_expect {
688
    -re "$gdb_prompt $"\
689
            {pass "set stop-on-solib-events"}
690
    timeout {fail "(timeout) set stop-on-solib-events"}
691
  }
692
 
693
  send_gdb "run\n"
694
  gdb_expect {
695
    -re ".*Start it from the beginning.*y or n. $"\
696
            {send_gdb "y\n"
697
             gdb_expect {
698
               -re ".*Stopped due to shared library event.*$gdb_prompt $"\
699
                       {pass "triggered stop-on-solib-events"}
700
               -re "$gdb_prompt $"\
701
                       {fail "triggered stop-on-solib-events"}
702
               timeout {fail "(timeout) triggered stop-on-solib-events"}
703
             }
704
            }
705
    -re "$gdb_prompt $"\
706
            {fail "rerun for stop-on-solib-events"}
707
    timeout {fail "(timeout) rerun for stop-on-solib-events"}
708
  }
709
 
710
  send_gdb "set stop-on-solib-events 0\n"
711
  gdb_expect {
712
    -re "$gdb_prompt $"\
713
            {pass "reset stop-on-solib-events"}
714
    timeout {fail "(timeout) reset stop-on-solib-events"}
715
  }
716
}
717
 
718
# Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
719
# gracefully responds to requests to create them.
720
#
721
if [istarget "hppa*-*-hpux*"] then {
722
  if ![runto_main] then { fail "break tests suppressed" }
723
 
724
  send_gdb "hbreak\n"
725
  gdb_expect {
726
    -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
727
            {pass "hw breaks disallowed"}
728
    -re "$gdb_prompt $"\
729
            {fail "hw breaks disallowed"}
730
    timeout {fail "(timeout) hw breaks disallowed"}
731
  }
732
 
733
  send_gdb "thbreak\n"
734
  gdb_expect {
735
    -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
736
            {pass "temporary hw breaks disallowed"}
737
    -re "$gdb_prompt $"\
738
            {fail "temporary hw breaks disallowed"}
739
    timeout {fail "(timeout) temporary hw breaks disallowed"}
740
  }
741
}
742
 
743
#********
744
 
745
 
746
#
747
# Test "next" over recursive function call.
748
#
749
 
750
proc test_next_with_recursion {} {
751
    global gdb_prompt
752
    global decimal
753
    global binfile
754
 
755
    if [target_info exists use_gdb_stub] {
756
        # Reload the program.
757
        delete_breakpoints
758
        gdb_load ${binfile};
759
    } else {
760
        # FIXME: should be using runto
761
        gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
762
 
763
        delete_breakpoints
764
    }
765
 
766
    gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
767
 
768
    # Run until we call factorial with 6
769
 
770
    if [istarget "*-*-vxworks*"] then {
771
        send_gdb "run vxmain \"6\"\n"
772
    } else {
773
        gdb_run_cmd
774
    }
775
    gdb_expect {
776
        -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
777
        -re ".*$gdb_prompt $" {
778
            fail "run to factorial(6)";
779
            gdb_suppress_tests;
780
        }
781
        timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
782
    }
783
 
784
    # Continue until we call factorial recursively with 5.
785
 
786
    if [gdb_test "continue" \
787
        "Continuing.*Break.* factorial .value=5. .*" \
788
        "continue to factorial(5)"] then { gdb_suppress_tests }
789
 
790
    # Do a backtrace just to confirm how many levels deep we are.
791
 
792
    if [gdb_test "backtrace" \
793
        "#0\[ \t\]+ factorial .value=5..*" \
794
        "backtrace from factorial(5)"] then { gdb_suppress_tests }
795
 
796
    # Now a "next" should position us at the recursive call, which
797
    # we will be performing with 4.
798
 
799
    if [gdb_test "next" \
800
        ".* factorial .value - 1.;.*" \
801
        "next to recursive call"] then { gdb_suppress_tests }
802
 
803
    # Disable the breakpoint at the entry to factorial by deleting them all.
804
    # The "next" should run until we return to the next line from this
805
    # recursive call to factorial with 4.
806
    # Buggy versions of gdb will stop instead at the innermost frame on
807
    # the line where we are trying to "next" to.
808
 
809
    delete_breakpoints
810
 
811
    if [istarget "mips*tx39-*"] {
812
        set timeout 60
813
    }
814
    # We used to set timeout here for all other targets as well.  This
815
    # is almost certainly wrong.  The proper timeout depends on the
816
    # target system in use, and how we communicate with it, so there
817
    # is no single value appropriate for all targets.  The timeout
818
    # should be established by the Dejagnu config file(s) for the
819
    # board, and respected by the test suite.
820
    #
821
    # For example, if I'm running GDB over an SSH tunnel talking to a
822
    # portmaster in California talking to an ancient 68k board running
823
    # a crummy ROM monitor (a situation I can only wish were
824
    # hypothetical), then I need a large timeout.  But that's not the
825
    # kind of knowledge that belongs in this file.
826
 
827
    gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
828
            "next over recursive call"
829
 
830
    # OK, we should be back in the same stack frame we started from.
831
    # Do a backtrace just to confirm.
832
 
833
    set result [gdb_test "backtrace" \
834
            "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
835
            "backtrace from factorial(5.1)"]
836
    if { $result != 0 } { gdb_suppress_tests }
837
 
838
    if [target_info exists gdb,noresults] { gdb_suppress_tests }
839
  gdb_continue_to_end "recursive next test"
840
   gdb_stop_suppressing_tests;
841
}
842
 
843
test_next_with_recursion
844
 
845
 
846
#********
847
 
848
# build a new file with optimization enabled so that we can try breakpoints
849
# on targets with optimized prologues
850
 
851
set binfileo2 ${objdir}/${subdir}/${testfile}o2
852
 
853
if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfileo2}" executable {debug additional_flags="-O2" }] != "" } {
854
    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
855
}
856
 
857
if [get_compiler_info ${binfileo2}] {
858
    return -1
859
}
860
 
861
gdb_exit
862
gdb_start
863
gdb_reinitialize_dir $srcdir/$subdir
864
gdb_load ${binfileo2}
865
 
866
if [target_info exists gdb_stub] {
867
    gdb_step_for_stub;
868
}
869
 
870
#
871
# test break at function
872
#
873
gdb_test "break main" \
874
    "Breakpoint.*at.* file .*$srcfile, line.*" \
875
    "breakpoint function, optimized file"
876
 
877
#
878
# test break at function
879
#
880
gdb_test "break marker4" \
881
    "Breakpoint.*at.* file .*$srcfile, line.*" \
882
    "breakpoint small function, optimized file"
883
 
884
#
885
# run until the breakpoint at main is hit. For non-stubs-using targets.
886
#
887
if ![target_info exists use_gdb_stub] {
888
  if [istarget "*-*-vxworks*"] then {
889
    send_gdb "run vxmain \"2\"\n"
890
    set timeout 120
891
    verbose "Timeout is now $timeout seconds" 2
892
  } else {
893
        send_gdb "run\n"
894
  }
895
  gdb_expect {
896
    -re "The program .* has been started already.*y or n. $" {
897
        send_gdb "y\n"
898
        exp_continue
899
    }
900
    -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:75.*75\[\t \]+if .argc.* \{.*$gdb_prompt $"\
901
                            { pass "run until function breakpoint, optimized file" }
902
    -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $"\
903
                            { pass "run until function breakpoint, optimized file (code motion)" }
904
    -re ".*$gdb_prompt $"       { fail "run until function breakpoint, optimized file" }
905
    timeout                 { fail "run until function breakpoint, optimized file (timeout)" }
906
  }
907
} else {
908
    if ![target_info exists gdb_stub] {
909
        gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:75.*75\[\t \]+if .argc.*\{.*" "stub continue, optimized file"
910
    }
911
}
912
 
913
#
914
# run until the breakpoint at a small function
915
#
916
 
917
#
918
# Add a second pass pattern.  The behavior differs here between stabs
919
# and dwarf for one-line functions.  Stabs preserves two line symbols
920
# (one before the prologue and one after) with the same line number,
921
# but dwarf regards these as duplicates and discards one of them.
922
# Therefore the address after the prologue (where the breakpoint is)
923
# has no exactly matching line symbol, and GDB reports the breakpoint
924
# as if it were in the middle of a line rather than at the beginning.
925
 
926
send_gdb "continue\n"
927
gdb_expect {
928
    -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:51\[\r\n\]+51\[\t \]+void marker4.*" {
929
        pass "run until breakpoint set at small function, optimized file"
930
    }
931
    -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile:51\[\r\n\]+51\[\t \]+void marker4.*" {
932
        pass "run until breakpoint set at small function, optimized file"
933
    }
934
    -re ".*$gdb_prompt " {
935
        fail "run until breakpoint set at small function, optimized file"
936
    }
937
    timeout {
938
        fail "run until breakpoint set at small function, optimized file (timeout)"
939
    }
940
}
941
 
942
 
943
# Reset the default arguments for VxWorks
944
if [istarget "*-*-vxworks*"] {
945
    set timeout 10
946
    verbose "Timeout is now $timeout seconds" 2
947
    send_gdb "set args main\n"
948
    gdb_expect -re ".*$gdb_prompt $" {}
949
}

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