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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [gdb/] [testsuite/] [gdb.gdb/] [selftest.exp] - Blame information for rev 357

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1 330 jeremybenn
# Copyright 1988, 1990, 1991, 1992, 1994, 1997, 1999, 2000, 2002, 2003, 2004,
2
# 2005, 2006, 2007, 2008, 2009, 2010 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 3 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, see .
16
 
17
# This file was written by Rob Savoye. (rob@cygnus.com)
18
 
19
if $tracelevel then {
20
    strace $tracelevel
21
}
22
 
23
 
24
# are we on a target board
25
if { [is_remote target] || ![isnative] } then {
26
    return
27
}
28
 
29
# Not all of the lines of code near the start of main are executed for
30
# every machine.  Also, optimization may reorder some of the lines.
31
# So all we do is try to step or next over everything until we get
32
# to a line that we know is always executed.
33
 
34
proc do_steps_and_nexts {} {
35
    global gdb_prompt
36
    global srcdir
37
 
38
    gdb_reinitialize_dir $srcdir/..
39
 
40
    set unlikely_line 0
41
    for {set count 0} {$count < 32} {incr count} {
42
        # NOTE: carlton/2002-12-11: The "initial brace" and
43
        # "current_directory initialization" possibilities happen to
44
        # me with GCC 3.1 on i686-pc-linux-gnu when I compile with
45
        # optimization.
46
        gdb_test_multiple "list" "list" {
47
            -re ".*context = data.*$gdb_prompt $" {
48
                set description "step over context initialization"
49
                set command "step"
50
            }
51
            -re ".*argc = context->argc.*$gdb_prompt $" {
52
                set description "step over argc initialization"
53
                set command "step"
54
            }
55
            -re ".*argv = context->argv.*$gdb_prompt $" {
56
                set description "step over argv initialization"
57
                set command "step"
58
            }
59
            -re ".*quiet = 0.*$gdb_prompt $" {
60
                set description "step over quiet initialization"
61
                set command "step"
62
            }
63
            -re ".*batch = 0.*$gdb_prompt $" {
64
                set description "step over batch initialization"
65
                set command "step"
66
            }
67
            -re ".*symarg = NULL.*$gdb_prompt $" {
68
                set description "step over symarg initialization"
69
                set command "step"
70
            }
71
            -re ".*execarg = NULL.*$gdb_prompt $" {
72
                set description "step over execarg initialization"
73
                set command "step"
74
            }
75
            -re ".*pidarg = NULL.*$gdb_prompt $" {
76
                set description "step over pidarg initialization"
77
                set command "step"
78
            }
79
            -re ".*corearg = NULL.*$gdb_prompt $" {
80
                set description "step over corearg initialization"
81
                set command "step"
82
            }
83
            -re ".*pid_or_core_arg = NULL.*$gdb_prompt $" {
84
                set description "step over pid_or_core_arg initialization"
85
                set command "step"
86
            }
87
            -re ".*cdarg = NULL.*$gdb_prompt $" {
88
                set description "step over cdarg initialization"
89
                set command "step"
90
            }
91
            -re ".*ttyarg = NULL.*$gdb_prompt $" {
92
                set description "step over ttyarg initialization"
93
                set command "step"
94
            }
95
            -re ".*pre_stat_chain = make_command_stats_cleanup.*$gdb_prompt $" {
96
                set description "next over make_command_stats_cleanup and everything it calls"
97
                set command "next"
98
            }
99
            -re ".*START_PROGRESS.*$gdb_prompt $" {
100
                # Note: ezannoni/2004/02/17: This check should be
101
                # removed, since as of today that source line is not
102
                # in gdb anymore.
103
                set description "next over START_PROGRESS and everything it calls"
104
                set command "next"
105
            }
106
            -re ".*mac_init.*$gdb_prompt $" {
107
                set description "next over mac_init and everything it calls"
108
                set command "next"
109
            }
110
            -re ".*init_malloc.*$gdb_prompt $" {
111
                # gdb 6.2.X is the last gdb which called init_malloc
112
                set description "next over init_malloc and everything it calls"
113
                set command "next"
114
            }
115
            -re ".*lim_at_start.*$gdb_prompt $" {
116
                set description "next over lim_at_start initialization"
117
                set command "next"
118
            }
119
            -re ".*count . 0x3.*$gdb_prompt $" {
120
                set description "next over conditional stack alignment code 1"
121
                set command "next"
122
            }
123
            -re ".*if .i != 0.*$gdb_prompt $" {
124
                set description "next over conditional stack alignment code 2"
125
                set command "next"
126
            }
127
            -re ".*alloca .i - 4.*$gdb_prompt $" {
128
                set description "next over conditional stack alignment alloca"
129
                set command "next"
130
            }
131
            -re ".*cmdsize = 1.*$gdb_prompt $" {
132
                set description "step over cmdsize initialization"
133
                set command "next"
134
            }
135
            -re ".*cmdarg = .* xmalloc.*$gdb_prompt $" {
136
                set description "next over cmdarg initialization via xmalloc"
137
                set command "next"
138
            }
139
            -re ".*ncmd = 0.*$gdb_prompt $" {
140
                set description "next over ncmd initialization"
141
                set command "next"
142
            }
143
            -re ".*dirsize = 1.*$gdb_prompt $" {
144
                set description "next over dirsize initialization"
145
                set command "next"
146
            }
147
            -re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
148
                return
149
            }
150
            -re ".*setlocale .LC_MESSAGES,.*$gdb_prompt $" {
151
                set description "next over setlocale LC_MESSAGES"
152
                set command "next"
153
            }
154
            -re ".*setlocale .LC_CTYPE,.*$gdb_prompt $" {
155
                set description "next over setlocale LC_CTYPE"
156
                set command "next"
157
            }
158
            -re ".*bindtextdomain .PACKAGE, LOCALEDIR.;.*$gdb_prompt $" {
159
                set description "next over bindtextdomain"
160
                set command "next"
161
            }
162
            -re ".*textdomain .PACKAGE.;.*$gdb_prompt $" {
163
                set description "next over textdomain PACKAGE"
164
                set command "next"
165
            }
166
            -re "\[0-9\]+\[\t \]+\{\r\n$gdb_prompt $" {
167
                set description "step over initial brace"
168
                set command "step"
169
            }
170
            -re ".*current_directory = gdb_dirbuf.*$gdb_prompt $" {
171
                set description "step over current_directory initialization"
172
                set command "step"
173
            }
174
            -re ".*gdb_sysroot = .*$gdb_prompt $" {
175
                # NOTE: carlton/2003-01-15: More optimization reordering,
176
                # observed on GCC 3.1.
177
                set description "step over gdb_sysroot initialization"
178
                set command "step"
179
            }
180
            -re ".*ndir = 0.*$gdb_prompt $" {
181
                set description "step over ndir initialization"
182
                set command "step"
183
            }
184
            -re ".*instream = stdin.*$gdb_prompt $" {
185
                set description "step over instream initialization"
186
                set command "step"
187
            }
188
            -re ".*getcwd .gdb_dirbuf, sizeof .gdb_dirbuf.*$gdb_prompt $" {
189
                set description "next over getcwd"
190
                set command "next"
191
            }
192
            -re ".*gdb_program_name = xstrdup.*$gdb_prompt $" {
193
                set description "next over xstrdup"
194
                set command "next"
195
            }
196
            -re ".*quit_flag = 0.*$gdb_prompt $" {
197
                set description "step over quit_flag initialization"
198
                set command "step"
199
            }
200
            -re ".*gdb_stdout = stdio_fileopen .stdout.;.*$gdb_prompt $" {
201
                set description "step over gdb_stdout initialization"
202
                set command "step"
203
            }
204
            -re ".*gdb_stderr = stdio_fileopen .stderr.;.*$gdb_prompt $" {
205
                set description "step over gdb_stderr initialization"
206
                set command "step"
207
            }
208
            -re ".*main.c.*No such file or directory.*$gdb_prompt $" {
209
                setup_xfail "rs6000-*-aix3*"
210
                fail "must be able to list source lines"
211
                return
212
            }
213
            -re ".*interpreter_p = xstrdup.*$gdb_prompt $" {
214
                if { $unlikely_line == 0 } {
215
                    # This is a GCC optimization bug; a constant has been
216
                    # associated with the wrong line number.
217
                    setup_xfail "*-*-*" gcc/26475
218
                    fail "$description (unlikely line from gcc)"
219
                    set unlikely_line 1
220
                }
221
                set description "next over xstrdup"
222
                set command "next"
223
            }
224
            -re ".*$gdb_prompt $" {
225
                fail "unknown source line after $description"
226
                return
227
            }
228
            default {
229
                fail "unknown source line near main"
230
                return
231
            }
232
        }
233
        gdb_test_multiple "$command" "$description" {
234
            -re ".*No such file or directory.\r\n$gdb_prompt $" {
235
                fail "$description (no source available)"
236
            }
237
            -re ".*A file or directory .* does not exist..\r\n$gdb_prompt $" {
238
                fail "$description (no source available)"
239
            }
240
            -re ".*$gdb_prompt $" {
241
                pass "$description"
242
            }
243
        }
244
    }
245
}
246
 
247
proc test_with_self { executable } {
248
    global gdb_prompt
249
    global tool
250
    global det_file
251
    global decimal
252
    global timeout
253
 
254
    # load yourself into the debugger
255
    # This can take a relatively long time, particularly for testing where
256
    # the executable is being accessed over a network, or where gdb does not
257
    # support partial symbols for a particular target and has to load the
258
    # entire symbol table.  Set the timeout to 10 minutes, which should be
259
    # adequate for most environments (it *has* timed out with 5 min on a
260
    # SPARCstation SLC under moderate load, so this isn't unreasonable).
261
    # After gdb is started, set the timeout to 30 seconds for the duration
262
    # of this test, and then back to the original value.
263
 
264
    set oldtimeout $timeout
265
    set timeout 600
266
    verbose "Timeout is now $timeout seconds" 2
267
 
268
    global gdb_file_cmd_debug_info
269
    set gdb_file_cmd_debug_info "unset"
270
 
271
    set result [gdb_load $executable]
272
    set timeout $oldtimeout
273
    verbose "Timeout is now $timeout seconds" 2
274
 
275
    if { $result != 0 } then {
276
        return -1
277
    }
278
 
279
    if { $gdb_file_cmd_debug_info != "debug" } then {
280
        untested "No debug information, skipping testcase."
281
        return -1
282
    }
283
 
284
    # disassemble yourself
285
    gdb_test "x/10i main" \
286
            "x/10i.*main.*main.$decimal.*main.$decimal.*" \
287
            "Disassemble main"
288
 
289
    # Set a breakpoint at main
290
    gdb_test "break captured_main" \
291
            "Breakpoint.*at.* file.*, line.*" \
292
            "breakpoint in captured_main"
293
 
294
    # We'll need this when we send a ^C to GDB.  Need to do it before we
295
    # run the program and gdb starts saving and restoring tty states.
296
    # On Ultrix, we don't need it and it is really slow (because shell_escape
297
    # doesn't use vfork).
298
    if ![istarget "*-*-ultrix*"] then {
299
        gdb_test "shell stty intr '^C'" ".*" \
300
            "set interrupt character in test_with_self"
301
    }
302
 
303
    # FIXME: If we put this after the run to main, the first list
304
    # command doesn't print the same line as the current line where
305
    # gdb is stopped.
306
    gdb_test_no_output "set listsize 1" "set listsize to 1"
307
 
308
    # run yourself
309
    # It may take a very long time for the inferior gdb to start (lynx),
310
    # so we bump it back up for the duration of this command.
311
    set timeout 600
312
 
313
    set description "run until breakpoint at captured_main"
314
    gdb_test_multiple "run -nw" "$description" {
315
        -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" {
316
            pass "$description"
317
        }
318
        -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.*$gdb_prompt $" {
319
            xfail "$description (line numbers scrambled?)"
320
        }
321
        -re "vfork: No more processes.*$gdb_prompt $" {
322
            fail "$description (out of virtual memory)"
323
            set timeout $oldtimeout
324
            verbose "Timeout is now $timeout seconds" 2
325
            return -1
326
        }
327
        -re ".*$gdb_prompt $" {
328
            fail "$description"
329
            set timeout $oldtimeout
330
            verbose "Timeout is now $timeout seconds" 2
331
            return -1
332
        }
333
    }
334
 
335
    set timeout $oldtimeout
336
    verbose "Timeout is now $timeout seconds" 2
337
 
338
    # do we have a version number ?
339
    gdb_test_multiple "print version" "printed version" {
340
        -re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
341
            pass "printed version as string"
342
        }
343
        -re ".\[0-9\]+ = +0x.*\[0-9.\]+.*$gdb_prompt $" {
344
            pass "printed version as pointer"
345
        }
346
        -re ".\[0-9\]+ = +.+ +0x.*\[0-9.\]+.*$gdb_prompt $" {
347
            pass "printed version with cast"
348
        }
349
    }
350
 
351
    do_steps_and_nexts
352
 
353
    gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
354
 
355
    # do_steps_and_nexts left us ready to execute an xmalloc call,
356
    # so give that a try.
357
    # If we don't actually enter the xmalloc call when we give a
358
    # step command that seems like a genuine bug.  It seems to happen
359
    # on most RISC processors.
360
    # NOTE drow/2003-06-22: However, if we step back to the preceding two
361
    # lines, just keep stepping until we enter.
362
    set stepped_back 0
363
    setup_xfail "alpha-*-*" "mips-*-*"
364
    set description "step into xmalloc call"
365
    gdb_test_multiple "step" "$description" {
366
        -re "ncmd = 0;.*$gdb_prompt $" {
367
            set stepped_back 1
368
            send_gdb "step\n"
369
            exp_continue
370
        }
371
        -re ".*cmdarg = .* xmalloc.*$gdb_prompt $" {
372
            set stepped_back 1
373
            send_gdb "step\n"
374
            exp_continue
375
        }
376
        -re "dirsize = 1;.*$gdb_prompt $" {
377
            set stepped_back 1
378
            send_gdb "step\n"
379
            exp_continue
380
        }
381
        -re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
382
            if { $stepped_back == 1 } {
383
                send_gdb "step\n"
384
                exp_continue
385
            } else {
386
                fail "$description"
387
            }
388
        }
389
        -re "xmalloc.*size=.*at.*utils.c.*$gdb_prompt $" {
390
            pass "$description"
391
        }
392
        -re ".*No such file or directory.\r\n$gdb_prompt $" {
393
            pass "$description (no source available)"
394
        }
395
        -re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
396
            pass "$description (no source available)"
397
        }
398
    }
399
 
400
    # start the "xgdb" process
401
    gdb_test_multiple "continue" "xgdb is at prompt" {
402
        -re "GNU gdb \[0-9\.\]*.*Copyright \\(C\\) \[0-9\]* Free Software Foundation, Inc.*License GPLv3\\+: GNU GPL version 3 or later .*This is free software: you are free to change and redistribute it.*There is NO WARRANTY, to the extent permitted by law.  Type \"show copying\".*and \"show warranty\" for details.*This GDB was configured as .*$gdb_prompt $" {
403
            pass "xgdb is at prompt"
404
        }
405
    }
406
 
407
    # set xgdb prompt so we can tell which is which
408
    gdb_test_multiple "set prompt (xgdb) " "Set xgdb_prompt" {
409
        -re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" {
410
            pass "Set xgdb prompt"
411
        }
412
    }
413
 
414
    # kill the xgdb process
415
    set description "send ^C to child process"
416
    send_gdb "\003"
417
    gdb_expect {
418
        -re "Program received signal SIGINT.*$gdb_prompt $" {
419
            pass "$description"
420
        }
421
        -re ".*$gdb_prompt $" {
422
            fail "$description"
423
        }
424
        timeout {
425
            fail "$description (timeout)"
426
        }
427
    }
428
 
429
    set description "send SIGINT signal to child process"
430
    gdb_test "signal SIGINT" \
431
        "Continuing with signal SIGINT.*" \
432
        "$description"
433
 
434
    # get a stack trace
435
    #
436
    # This fails on some linux systems for unknown reasons.  On the
437
    # systems where it fails, sometimes it works fine when run manually.
438
    # The testsuite failures may not be limited to just aout systems.
439
    setup_xfail "i*86-pc-linuxaout-gnu"
440
    set description "backtrace through signal handler"
441
    gdb_test_multiple "backtrace" "$description" {
442
        -re "#0.*(read|poll).*in main \\(.*\\) at .*gdb\\.c.*$gdb_prompt $" {
443
            pass "$description"
444
        }
445
        -re ".*$gdb_prompt $" {
446
            # On the alpha, we hit the infamous problem about gdb
447
            # being unable to get the frame pointer (mentioned in
448
            # gdb/README).  As it is intermittent, there is no way to
449
            # XFAIL it which will give us an XPASS if the problem goes
450
            # away.
451
            setup_xfail "alpha*-*-osf*"
452
            fail "$description"
453
        }
454
    }
455
 
456
 
457
    # Set the timeout back to the value it had when we were called.
458
    set timeout $oldtimeout
459
    verbose "Timeout is now $timeout seconds" 2
460
 
461
    # Restart gdb in case next test expects it to be started already.
462
    return 0
463
}
464
 
465
# Find a pathname to a file that we would execute if the shell was asked
466
# to run $arg using the current PATH.
467
 
468
proc find_gdb { arg } {
469
 
470
    # If the arg directly specifies an existing executable file, then
471
    # simply use it.
472
 
473
    if [file executable $arg] then {
474
        return $arg
475
    }
476
 
477
    set result [which $arg]
478
    if [string match "/" [ string range $result 0 0 ]] then {
479
        return $result
480
    }
481
 
482
    # If everything fails, just return the unqualified pathname as default
483
    # and hope for best.
484
 
485
    return $arg
486
}
487
 
488
# Run the test with self.
489
# Copy the file executable file in case this OS doesn't like to edit its own
490
# text space.
491
 
492
set GDB_FULLPATH [find_gdb $GDB]
493
 
494
# Remove any old copy lying around.
495
remote_file host delete x$tool
496
 
497
gdb_start
498
set file [remote_download host $GDB_FULLPATH x$tool]
499
set result [test_with_self $file];
500
gdb_exit;
501
catch "remote_file host delete $file";
502
 
503
if {$result <0} then {
504
    warning "Couldn't test self"
505
    return -1
506
}

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