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

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1 578 markom
#   Copyright 1988, 1990, 1991, 1992, 1994, 1997, 1999, 2000
2
#   Free Software Foundation, Inc.
3
 
4
# This program is free software; you can redistribute it and/or modify
5
# it under the terms of the GNU General Public License as published by
6
# the Free Software Foundation; either version 2 of the License, or
7
# (at your option) any later version.
8
#
9
# This program is distributed in the hope that it will be useful,
10
# but WITHOUT ANY WARRANTY; without even the implied warranty of
11
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12
# GNU General Public License for more details.
13
#
14
# You should have received a copy of the GNU General Public License
15
# along with this program; if not, write to the Free Software
16
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
 
18
# Please email any bugs, comments, and/or additions to this file to:
19
# bug-gdb@prep.ai.mit.edu
20
 
21
# This file was written by Rob Savoye. (rob@cygnus.com)
22
 
23
if $tracelevel then {
24
    strace $tracelevel
25
}
26
 
27
set prms_id 0
28
set bug_id 0
29
 
30
# are we on a target board
31
if [is_remote target] {
32
    return
33
}
34
 
35
if [istarget "m68k*-*-hpux*"] then {
36
    # The top-level makefile passes CFLAGS= (no -g) for hp300.  This probably
37
    # should be fixed (it is only needed for gcc bootstrapping, not gdb),
38
    # but until then.....
39
    setup_xfail "*-*-*"
40
    fail "cannot test self if compiled without debug info"
41
    return -1
42
}
43
 
44
# Not all of the lines of code near the start of main are executed for
45
# every machine.  Also, optimization may reorder some of the lines.
46
# So all we do is try to step or next over everything until we get
47
# to a line that we know is always executed.
48
 
49
proc do_steps_and_nexts {} {
50
    global gdb_prompt
51
    global srcdir
52
 
53
    gdb_reinitialize_dir $srcdir/..
54
 
55
    for {set count 0} {$count < 22} {incr count} {
56
        send_gdb "list\n"
57
        gdb_expect {
58
            -re ".*context = data.*$gdb_prompt $" {
59
                set description "step over context initialization"
60
                set command "step"
61
            }
62
            -re ".*argc = context->argc.*$gdb_prompt $" {
63
                set description "step over argc initialization"
64
                set command "step"
65
            }
66
            -re ".*argv = context->argv.*$gdb_prompt $" {
67
                set description "step over argv initialization"
68
                set command "step"
69
            }
70
            -re ".*quiet = 0.*$gdb_prompt $" {
71
                set description "step over quiet initialization"
72
                set command "step"
73
            }
74
            -re ".*batch = 0.*$gdb_prompt $" {
75
                set description "step over batch initialization"
76
                set command "step"
77
            }
78
            -re ".*symarg = NULL.*$gdb_prompt $" {
79
                set description "step over symarg initialization"
80
                set command "step"
81
            }
82
            -re ".*execarg = NULL.*$gdb_prompt $" {
83
                set description "step over execarg initialization"
84
                set command "step"
85
            }
86
            -re ".*corearg = NULL.*$gdb_prompt $" {
87
                set description "step over corearg initialization"
88
                set command "step"
89
            }
90
            -re ".*cdarg = NULL.*$gdb_prompt $" {
91
                set description "step over cdarg initialization"
92
                set command "step"
93
            }
94
            -re ".*ttyarg = NULL.*$gdb_prompt $" {
95
                set description "step over ttyarg initialization"
96
                set command "step"
97
            }
98
            -re ".*time_at_startup = get_run_time.*$gdb_prompt $" {
99
                set description "next over get_run_time and everything it calls"
100
                set command "next"
101
            }
102
            -re ".*START_PROGRESS.*$gdb_prompt $" {
103
                set description "next over START_PROGRESS and everything it calls"
104
                set command "next"
105
            }
106
            -re ".*mac_init.*$gdb_prompt $" {
107
                set description "next over mac_init and everything it calls"
108
                set command "next"
109
            }
110
            -re ".*init_malloc.*$gdb_prompt $" {
111
                set description "next over init_malloc and everything it calls"
112
                set command "next"
113
            }
114
            -re ".*count . 0x3.*$gdb_prompt $" {
115
                set description "next over conditional stack alignment code 1"
116
                set command "next"
117
            }
118
            -re ".*if .i != 0.*$gdb_prompt $" {
119
                set description "next over conditional stack alignment code 2"
120
                set command "next"
121
            }
122
            -re ".*alloca .i - 4.*$gdb_prompt $" {
123
                set description "next over conditional stack alignment alloca"
124
                set command "next"
125
            }
126
            -re ".*cmdsize = 1.*$gdb_prompt $" {
127
                set description "step over cmdsize initialization"
128
                set command "next"
129
            }
130
            -re ".*cmdarg = .* xmalloc.*$gdb_prompt $" {
131
                set description "next over cmdarg initialization via xmalloc"
132
                set command "next"
133
            }
134
            -re ".*ncmd = 0.*$gdb_prompt $" {
135
                set description "next over ncmd initialization"
136
                set command "next"
137
            }
138
            -re ".*dirsize = 1.*$gdb_prompt $" {
139
                set description "next over dirsize initialization"
140
                set command "next"
141
            }
142
            -re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
143
                return
144
            }
145
            -re "\[ \t\]+\{\r\n$gdb_prompt $" {
146
                setup_xfail "mips-*-irix5*"
147
                fail "$description ended up at odd location"
148
            }
149
            -re ".*main.c.*No such file or directory.*$gdb_prompt $" {
150
                setup_xfail "rs6000-*-aix3*"
151
                fail "must be able to list source lines"
152
                return
153
            }
154
            -re ".*$gdb_prompt $" {
155
                fail "unknown source line after $description"
156
                return
157
            }
158
            default {
159
                fail "unknown source line near main"
160
                return
161
            }
162
        }
163
        send_gdb "$command\n"
164
        gdb_expect {
165
            -re ".*No such file or directory.\r\n$gdb_prompt $" {
166
                fail "$description (no source available)"
167
            }
168
            -re ".*A file or directory .* does not exist..\r\n$gdb_prompt $" {
169
                fail "$description (no source available)"
170
            }
171
            -re ".*$gdb_prompt $" {
172
                pass "$description"
173
            }
174
            timeout {
175
                fail "$description (timeout)"
176
            }
177
        }
178
    }
179
}
180
 
181
proc test_with_self { executable } {
182
    global gdb_prompt
183
    global tool
184
    global det_file
185
    global decimal
186
    global timeout
187
 
188
    # load yourself into the debugger
189
    # This can take a relatively long time, particularly for testing where
190
    # the executable is being accessed over a network, or where gdb does not
191
    # support partial symbols for a particular target and has to load the
192
    # entire symbol table.  Set the timeout to 10 minutes, which should be
193
    # adequate for most environments (it *has* timed out with 5 min on a
194
    # SPARCstation SLC under moderate load, so this isn't unreasonable).
195
    # After gdb is started, set the timeout to 30 seconds for the duration
196
    # of this test, and then back to the original value.
197
 
198
    set oldtimeout $timeout
199
    set timeout 600
200
    verbose "Timeout is now $timeout seconds" 2
201
    if {[gdb_load $executable] <0} then {
202
        set timeout $oldtimeout
203
        verbose "Timeout is now $timeout seconds" 2
204
        return -1
205
    }
206
    set timeout $oldtimeout
207
    verbose "Timeout is now $timeout seconds" 2
208
 
209
    # disassemble yourself
210
    gdb_test "x/10i main" \
211
            "x/10i.*main.*main.$decimal.*main.$decimal.*" \
212
            "Disassemble main"
213
 
214
    # Set a breakpoint at main
215
    gdb_test "break captured_main" \
216
            "Breakpoint.*at.* file.*, line.*" \
217
            "breakpoint in captured_main"
218
 
219
    # We'll need this when we send a ^C to GDB.  Need to do it before we
220
    # run the program and gdb starts saving and restoring tty states.
221
    # On Ultrix, we don't need it and it is really slow (because shell_escape
222
    # doesn't use vfork).
223
    if ![istarget "*-*-ultrix*"] then {
224
        gdb_test "shell stty intr '^C'" "" \
225
            "set interrupt character in test_with_self"
226
    }
227
 
228
    # FIXME: If we put this after the run to main, the first list
229
    # command doesn't print the same line as the current line where
230
    # gdb is stopped.
231
    gdb_test "set listsize 1" "" "set listsize to 1"
232
 
233
    # run yourself
234
    # It may take a very long time for the inferior gdb to start (lynx),
235
    # so we bump it back up for the duration of this command.
236
    set timeout 600
237
 
238
    set description "run until breakpoint at captured_main"
239
    send_gdb "run -nw\n"
240
    gdb_expect {
241
        -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" {
242
            pass "$description"
243
        }
244
        -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.*$gdb_prompt $" {
245
            xfail "$description (line numbers scrambled?)"
246
        }
247
        -re "vfork: No more processes.*$gdb_prompt $" {
248
            fail "$description (out of virtual memory)"
249
            set timeout $oldtimeout
250
            verbose "Timeout is now $timeout seconds" 2
251
            return -1
252
        }
253
        -re ".*$gdb_prompt $" {
254
            fail "$description"
255
            set timeout $oldtimeout
256
            verbose "Timeout is now $timeout seconds" 2
257
            return -1
258
        }
259
        timeout {
260
            fail "$description (timeout)"
261
        }
262
    }
263
 
264
    set timeout $oldtimeout
265
    verbose "Timeout is now $timeout seconds" 2
266
 
267
    # do we have a version number ?
268
    send_gdb "print version\n"
269
    gdb_expect {
270
        -re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
271
            pass "printed version as string"
272
        }
273
        -re ".\[0-9\]+ = +0x.*\[0-9.\]+.*$gdb_prompt $" {
274
            pass "printed version as pointer"
275
        }
276
        -re ".\[0-9\]+ = +.+ +0x.*\[0-9.\]+.*$gdb_prompt $" {
277
            pass "printed version with cast"
278
        }
279
        -re ".*$gdb_prompt $"   { fail "printed version" }
280
        timeout         { fail "(timeout) printed version" }
281
    }
282
 
283
    do_steps_and_nexts
284
 
285
    gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
286
 
287
    # do_steps_and_nexts left us ready to execute an xmalloc call,
288
    # so give that a try.
289
    # If we don't actually enter the xmalloc call when we give a
290
    # step command that seems like a genuine bug.  It seems to happen
291
    # on most RISC processors.
292
    setup_xfail "alpha-*-*" "mips-*-*"
293
    set description "step into xmalloc call"
294
    send_gdb "step\n"
295
    gdb_expect {
296
        -re "xmalloc.*size=.*at.*utils.c.*$gdb_prompt $" {
297
            pass "$description"
298
        }
299
        -re ".*No such file or directory.\r\n$gdb_prompt $" {
300
            pass "$description (no source available)"
301
        }
302
        -re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
303
            pass "$description (no source available)"
304
        }
305
        -re ".*$gdb_prompt $" {
306
            fail "$description"
307
        }
308
        timeout {
309
            fail "$description (timeout)"
310
        }
311
    }
312
 
313
    # start the "xgdb" process
314
    send_gdb "continue\n"
315
    gdb_expect {
316
        -re "GNU gdb \[0-9\.\]*.*
317
Copyright \[0-9\]* Free Software Foundation, Inc.*
318
GDB is free software, covered by the GNU General Public License, and you are.*
319
welcome to change it and/or distribute copies of it under certain conditions.*
320
Type \"show copying\" to see the conditions.*
321
There is absolutely no warranty for GDB.  Type \"show warranty\" for details.*
322
This GDB was configured as .*$gdb_prompt $"\
323
            { pass "xgdb is at prompt" }
324
        -re "GDB is free software and you are welcome to distribute copies of it.*
325
 under certain conditions; type \"show copying\" to see the conditions..*
326
There is absolutely no warranty for GDB; type \"show warranty\" for details..*
327
GDB.*Copyright \[0-9\]+ Free Software Foundation, Inc..*$gdb_prompt $"\
328
            { pass "xgdb is at prompt (obsolescent gdb)" }
329
        -re ".*$gdb_prompt $"       { fail "xgdb is at prompt" }
330
        timeout             { fail "(timeout) xgdb is at prompt" }
331
    }
332
 
333
    # set xgdb prompt so we can tell which is which
334
    send_gdb "set prompt (xgdb) \n"
335
    gdb_expect {
336
        -re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $"  { pass "Set xgdb prompt" }
337
        -re ".*$gdb_prompt $"           { fail "Set xgdb prompt" }
338
        default                         { fail "(timeout) Set xgdb prompt" }
339
    }
340
 
341
    # kill the xgdb process
342
    set description "send ^C to child process"
343
    send_gdb "\003"
344
    gdb_expect {
345
        -re "Program received signal SIGINT.*$gdb_prompt $" {
346
            pass "$description"
347
        }
348
        -re ".*$gdb_prompt $" {
349
            fail "$description"
350
        }
351
        timeout {
352
            fail "$description (timeout)"
353
        }
354
    }
355
 
356
    set description "send SIGINT signal to child process"
357
    send_gdb "signal SIGINT\n"
358
    gdb_expect {
359
        -re "Continuing with signal SIGINT.*$gdb_prompt $" {
360
            pass "$description"
361
        }
362
        -re ".*$gdb_prompt $" {
363
            fail "$description"
364
        }
365
        timeout {
366
            fail "$description (timeout)"
367
        }
368
    }
369
 
370
    # get a stack trace
371
    #
372
    # This fails on some linux systems for unknown reasons.  On the
373
    # systems where it fails, sometimes it works fine when run manually.
374
    # The testsuite failures may not be limited to just aout systems.
375
    setup_xfail "i*86-pc-linuxaout-gnu" "hppa*-*-hpux*"
376
    set description "backtrace through signal handler"
377
    send_gdb "backtrace\n"
378
    gdb_expect {
379
        -re "#0.*read.*in main \\(.*\\) at .*main\\.c.*$gdb_prompt $" {
380
            pass "$description"
381
        }
382
        -re ".*$gdb_prompt $" {
383
            # On the alpha, we hit the infamous problem about gdb
384
            # being unable to get the frame pointer (mentioned in
385
            # gdb/README).  As it is intermittent, there is no way to
386
            # XFAIL it which will give us an XPASS if the problem goes
387
            # away.
388
            setup_xfail "alpha*-*-osf*"
389
            fail "$description"
390
        }
391
        timeout {
392
            fail "$description (timeout)"
393
        }
394
    }
395
 
396
 
397
    # Set the timeout back to the value it had when we were called.
398
    set timeout $oldtimeout
399
    verbose "Timeout is now $timeout seconds" 2
400
 
401
    # Restart gdb in case next test expects it to be started already.
402
    return 0
403
}
404
 
405
# Find a pathname to a file that we would execute if the shell was asked
406
# to run $arg using the current PATH.
407
 
408
proc find_gdb { arg } {
409
 
410
    # If the arg directly specifies an existing executable file, then
411
    # simply use it.
412
 
413
    if [file executable $arg] then {
414
        return $arg
415
    }
416
 
417
    set result [which $arg]
418
    if [string match "/" [ string range $result 0 0 ]] then {
419
        return $result
420
    }
421
 
422
    # If everything fails, just return the unqualified pathname as default
423
    # and hope for best.
424
 
425
    return $arg
426
}
427
 
428
# Run the test with self.
429
# Copy the file executable file in case this OS doesn't like to edit its own
430
# text space.
431
 
432
set GDB_FULLPATH [find_gdb $GDB]
433
 
434
# Remove any old copy lying around.
435
remote_file host delete x$tool
436
 
437
gdb_start
438
set file [remote_download host $GDB_FULLPATH x$tool]
439
set result [test_with_self $file];
440
gdb_exit;
441
catch "remote_file host delete $file";
442
 
443
if {$result <0} then {
444
    warning "Couldn't test self"
445
    return -1
446
}

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