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adf40b2e JM |
1 | # Copyright (C) 1988, 1990, 1991, 1992, 1994, 1997 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 written by Rob Savoye. (rob@cygnus.com) | |
21 | ||
22 | if $tracelevel then { | |
23 | strace $tracelevel | |
24 | } | |
25 | ||
26 | set prms_id 0 | |
27 | set bug_id 0 | |
28 | ||
29 | # are we on a target board | |
30 | if [is_remote target] { | |
31 | return | |
32 | } | |
33 | ||
34 | if [istarget "m68k*-*-hpux*"] then { | |
35 | # The top-level makefile passes CFLAGS= (no -g) for hp300. This probably | |
36 | # should be fixed (it is only needed for gcc bootstrapping, not gdb), | |
37 | # but until then..... | |
38 | setup_xfail "*-*-*" | |
39 | fail "cannot test self if compiled without debug info" | |
40 | return -1 | |
41 | } | |
42 | ||
43 | # Not all of the lines of code near the start of main are executed for | |
44 | # every machine. Also, optimization may reorder some of the lines. | |
45 | # So all we do is try to step or next over everything until we get | |
46 | # to a line that we know is always executed. | |
47 | ||
48 | proc do_steps_and_nexts {} { | |
49 | global gdb_prompt | |
50 | global srcdir | |
51 | ||
52 | gdb_reinitialize_dir $srcdir/.. | |
53 | ||
54 | for {set count 0} {$count < 20} {incr count} { | |
55 | send_gdb "list\n" | |
56 | gdb_expect { | |
57 | -re ".*symarg = NULL.*$gdb_prompt $" { | |
58 | set description "step over symarg initialization" | |
59 | set command "step" | |
60 | } | |
61 | -re ".*execarg = NULL.*$gdb_prompt $" { | |
62 | set description "step over execarg initialization" | |
63 | set command "step" | |
64 | } | |
65 | -re ".*corearg = NULL.*$gdb_prompt $" { | |
66 | set description "step over corearg initialization" | |
67 | set command "step" | |
68 | } | |
69 | -re ".*cdarg = NULL.*$gdb_prompt $" { | |
70 | set description "step over cdarg initialization" | |
71 | set command "step" | |
72 | } | |
73 | -re ".*ttyarg = NULL.*$gdb_prompt $" { | |
74 | set description "step over ttyarg initialization" | |
75 | set command "step" | |
76 | } | |
77 | -re ".*interparg = NULL.*$gdb_prompt $" { | |
78 | set description "step over interparg initialization" | |
79 | set command "step" | |
80 | } | |
81 | -re ".*time_at_startup = get_run_time.*$gdb_prompt $" { | |
82 | set description "next over get_run_time and everything it calls" | |
83 | set command "next" | |
84 | } | |
85 | -re ".*START_PROGRESS.*$gdb_prompt $" { | |
86 | set description "next over START_PROGRESS and everything it calls" | |
87 | set command "next" | |
88 | } | |
89 | -re ".*mac_init.*$gdb_prompt $" { | |
90 | set description "next over mac_init and everything it calls" | |
91 | set command "next" | |
92 | } | |
93 | -re ".*init_malloc.*$gdb_prompt $" { | |
94 | set description "next over init_malloc and everything it calls" | |
95 | set command "next" | |
96 | } | |
97 | -re ".*count . 0x3.*$gdb_prompt $" { | |
98 | set description "next over conditional stack alignment code 1" | |
99 | set command "next" | |
100 | } | |
101 | -re ".*if .i != 0.*$gdb_prompt $" { | |
102 | set description "next over conditional stack alignment code 2" | |
103 | set command "next" | |
104 | } | |
105 | -re ".*alloca .i - 4.*$gdb_prompt $" { | |
106 | set description "next over conditional stack alignment alloca" | |
107 | set command "next" | |
108 | } | |
109 | -re ".*SET_TOP_LEVEL.*$gdb_prompt $" { | |
110 | set description "next over SET_TOP_LEVEL call" | |
111 | set command "next" | |
112 | } | |
113 | -re ".*cmdsize = 1.*$gdb_prompt $" { | |
114 | set description "step over cmdsize initialization" | |
115 | set command "next" | |
116 | } | |
117 | -re ".*cmdarg = .* xmalloc.*$gdb_prompt $" { | |
118 | set description "next over cmdarg initialization via xmalloc" | |
119 | set command "next" | |
120 | } | |
121 | -re ".*ncmd = 0.*$gdb_prompt $" { | |
122 | set description "next over ncmd initialization" | |
123 | set command "next" | |
124 | } | |
125 | -re ".*dirsize = 1.*$gdb_prompt $" { | |
126 | set description "next over dirsize initialization" | |
127 | set command "next" | |
128 | } | |
129 | -re ".*dirarg = .* xmalloc.*$gdb_prompt $" { | |
130 | return | |
131 | } | |
132 | -re "\[ \t\]+\{\r\n$gdb_prompt $" { | |
133 | setup_xfail "mips-*-irix5*" | |
134 | fail "$description ended up at odd location" | |
135 | } | |
136 | -re ".*main.c.*No such file or directory.*$gdb_prompt $" { | |
137 | setup_xfail "rs6000-*-aix3*" | |
138 | fail "must be able to list source lines" | |
139 | return | |
140 | } | |
141 | -re ".*$gdb_prompt $" { | |
142 | fail "unknown source line after $description" | |
143 | return | |
144 | } | |
145 | default { | |
146 | fail "unknown source line near main" | |
147 | return | |
148 | } | |
149 | } | |
150 | send_gdb "$command\n" | |
151 | gdb_expect { | |
152 | -re ".*No such file or directory.\r\n$gdb_prompt $" { | |
153 | fail "$description (no source available)" | |
154 | } | |
155 | -re ".*A file or directory .* does not exist..\r\n$gdb_prompt $" { | |
156 | fail "$description (no source available)" | |
157 | } | |
158 | -re ".*$gdb_prompt $" { | |
159 | pass "$description" | |
160 | } | |
161 | timeout { | |
162 | fail "$description (timeout)" | |
163 | } | |
164 | } | |
165 | } | |
166 | } | |
167 | ||
168 | proc test_with_self { executable } { | |
169 | global gdb_prompt | |
170 | global tool | |
171 | global det_file | |
172 | global decimal | |
173 | global timeout | |
174 | ||
175 | # load yourself into the debugger | |
176 | # This can take a relatively long time, particularly for testing where | |
177 | # the executable is being accessed over a network, or where gdb does not | |
178 | # support partial symbols for a particular target and has to load the | |
179 | # entire symbol table. Set the timeout to 10 minutes, which should be | |
180 | # adequate for most environments (it *has* timed out with 5 min on a | |
181 | # SPARCstation SLC under moderate load, so this isn't unreasonable). | |
182 | # After gdb is started, set the timeout to 30 seconds for the duration | |
183 | # of this test, and then back to the original value. | |
184 | ||
185 | set oldtimeout $timeout | |
186 | set timeout 600 | |
187 | verbose "Timeout is now $timeout seconds" 2 | |
188 | if {[gdb_load $executable] <0} then { | |
189 | set timeout $oldtimeout | |
190 | verbose "Timeout is now $timeout seconds" 2 | |
191 | return -1 | |
192 | } | |
193 | set timeout $oldtimeout | |
194 | verbose "Timeout is now $timeout seconds" 2 | |
195 | ||
196 | # disassemble yourself | |
197 | gdb_test "x/10i main" \ | |
198 | "x/10i.*main.*main.$decimal.*main.$decimal.*" \ | |
199 | "Disassemble main" | |
200 | ||
201 | # Set a breakpoint at main | |
202 | gdb_test "break main" \ | |
203 | "Breakpoint.*at.* file.*, line.*" \ | |
204 | "breakpoint in main" | |
205 | ||
206 | # We'll need this when we send a ^C to GDB. Need to do it before we | |
207 | # run the program and gdb starts saving and restoring tty states. | |
208 | # On Ultrix, we don't need it and it is really slow (because shell_escape | |
209 | # doesn't use vfork). | |
210 | if ![istarget "*-*-ultrix*"] then { | |
211 | gdb_test "shell stty intr '^C'" "" \ | |
212 | "set interrupt character in test_with_self" | |
213 | } | |
214 | ||
215 | # FIXME: If we put this after the run to main, the first list | |
216 | # command doesn't print the same line as the current line where | |
217 | # gdb is stopped. | |
218 | gdb_test "set listsize 1" "" "set listsize to 1" | |
219 | ||
220 | # run yourself | |
221 | # It may take a very long time for the inferior gdb to start (lynx), | |
222 | # so we bump it back up for the duration of this command. | |
223 | set timeout 600 | |
224 | ||
225 | set description "run until breakpoint at main" | |
226 | send_gdb "run -nw\n" | |
227 | gdb_expect { | |
228 | -re "Starting program.*Breakpoint \[0-9\]+,.*main .argc.*argv.* at .*main.c:.*$gdb_prompt $" { | |
229 | pass "$description" | |
230 | } | |
231 | -re "Starting program.*Breakpoint \[0-9\]+,.*main .argc.*argv.*$gdb_prompt $" { | |
232 | xfail "$description (line numbers scrambled?)" | |
233 | } | |
234 | -re "vfork: No more processes.*$gdb_prompt $" { | |
235 | fail "$description (out of virtual memory)" | |
236 | set timeout $oldtimeout | |
237 | verbose "Timeout is now $timeout seconds" 2 | |
238 | return -1 | |
239 | } | |
240 | -re ".*$gdb_prompt $" { | |
241 | fail "$description" | |
242 | set timeout $oldtimeout | |
243 | verbose "Timeout is now $timeout seconds" 2 | |
244 | return -1 | |
245 | } | |
246 | timeout { | |
247 | fail "$description (timeout)" | |
248 | } | |
249 | } | |
250 | ||
251 | set timeout $oldtimeout | |
252 | verbose "Timeout is now $timeout seconds" 2 | |
253 | ||
254 | # do we have a version number ? | |
255 | send_gdb "print version\n" | |
256 | gdb_expect { | |
257 | -re ".\[0-9\]+ = +0x.*\[0-9.\]+.*$gdb_prompt $" { | |
258 | pass "printed version" | |
259 | } | |
260 | -re ".\[0-9\]+ = +.+ +0x.*\[0-9.\]+.*$gdb_prompt $" { | |
261 | pass "printed version with cast" | |
262 | } | |
263 | -re ".*$gdb_prompt $" { fail "printed version" } | |
264 | timeout { fail "(timeout) printed version" } | |
265 | } | |
266 | ||
267 | do_steps_and_nexts | |
268 | ||
269 | gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string" | |
270 | ||
271 | # do_steps_and_nexts left us ready to execute an xmalloc call, | |
272 | # so give that a try. | |
273 | # If we don't actually enter the xmalloc call when we give a | |
274 | # step command that seems like a genuine bug. It seems to happen | |
275 | # on most RISC processors. | |
276 | setup_xfail "alpha-*-*" "mips-*-*" | |
277 | set description "step into xmalloc call" | |
278 | send_gdb "step\n" | |
279 | gdb_expect { | |
280 | -re "xmalloc.*size=.*at.*utils.c.*$gdb_prompt $" { | |
281 | pass "$description" | |
282 | } | |
283 | -re ".*No such file or directory.\r\n$gdb_prompt $" { | |
284 | pass "$description (no source available)" | |
285 | } | |
286 | -re "A file or directory .* does not exist..\r\n$gdb_prompt $" { | |
287 | pass "$description (no source available)" | |
288 | } | |
289 | -re ".*$gdb_prompt $" { | |
290 | fail "$description" | |
291 | } | |
292 | timeout { | |
293 | fail "$description (timeout)" | |
294 | } | |
295 | } | |
296 | ||
297 | # start the "xgdb" process | |
298 | send_gdb "continue\n" | |
299 | gdb_expect { | |
300 | -re "GNU gdb \[0-9\.\]*.* | |
301 | Copyright \[0-9\]* Free Software Foundation, Inc.* | |
302 | GDB is free software, covered by the GNU General Public License, and you are.* | |
303 | welcome to change it and/or distribute copies of it under certain conditions.* | |
304 | Type \"show copying\" to see the conditions.* | |
305 | There is absolutely no warranty for GDB. Type \"show warranty\" for details.* | |
306 | This GDB was configured as .*$gdb_prompt $"\ | |
307 | { pass "xgdb is at prompt" } | |
308 | -re "GDB is free software and you are welcome to distribute copies of it.* | |
309 | under certain conditions; type \"show copying\" to see the conditions..* | |
310 | There is absolutely no warranty for GDB; type \"show warranty\" for details..* | |
311 | GDB.*Copyright \[0-9\]+ Free Software Foundation, Inc..*$gdb_prompt $"\ | |
312 | { pass "xgdb is at prompt (obsolescent gdb)" } | |
313 | -re ".*$gdb_prompt $" { fail "xgdb is at prompt" } | |
314 | timeout { fail "(timeout) xgdb is at prompt" } | |
315 | } | |
316 | ||
317 | # set xgdb prompt so we can tell which is which | |
318 | send_gdb "set prompt (xgdb) \n" | |
319 | gdb_expect { | |
320 | -re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" { pass "Set xgdb prompt" } | |
321 | -re ".*$gdb_prompt $" { fail "Set xgdb prompt" } | |
322 | default { fail "(timeout) Set xgdb prompt" } | |
323 | } | |
324 | ||
325 | # kill the xgdb process | |
326 | set description "send ^C to child process" | |
327 | send_gdb "\003" | |
328 | gdb_expect { | |
329 | -re "Program received signal SIGINT.*$gdb_prompt $" { | |
330 | pass "$description" | |
331 | } | |
332 | -re ".*$gdb_prompt $" { | |
333 | fail "$description" | |
334 | } | |
335 | timeout { | |
336 | fail "$description (timeout)" | |
337 | } | |
338 | } | |
339 | ||
340 | set description "send SIGINT signal to child process" | |
341 | send_gdb "signal SIGINT\n" | |
342 | gdb_expect { | |
343 | -re "Continuing with signal SIGINT.*$gdb_prompt $" { | |
344 | pass "$description" | |
345 | } | |
346 | -re ".*$gdb_prompt $" { | |
347 | fail "$description" | |
348 | } | |
349 | timeout { | |
350 | fail "$description (timeout)" | |
351 | } | |
352 | } | |
353 | ||
354 | # get a stack trace | |
355 | # | |
356 | # This fails on some linux systems for unknown reasons. On the | |
357 | # systems where it fails, sometimes it works fine when run manually. | |
358 | # The testsuite failures may not be limited to just aout systems. | |
359 | setup_xfail "i*86-pc-linuxaout-gnu" "hppa*-*-hpux*" | |
360 | set description "backtrace through signal handler" | |
361 | send_gdb "backtrace\n" | |
362 | gdb_expect { | |
363 | -re "#0.*read.*in main \\(.*\\) at .*main\\.c.*$gdb_prompt $" { | |
364 | pass "$description" | |
365 | } | |
366 | -re ".*$gdb_prompt $" { | |
367 | # On the alpha, we hit the infamous problem about gdb | |
368 | # being unable to get the frame pointer (mentioned in | |
369 | # gdb/README). As it is intermittent, there is no way to | |
370 | # XFAIL it which will give us an XPASS if the problem goes | |
371 | # away. | |
372 | setup_xfail "alpha*-*-osf*" | |
373 | fail "$description" | |
374 | } | |
375 | timeout { | |
376 | fail "$description (timeout)" | |
377 | } | |
378 | } | |
379 | ||
380 | ||
381 | # Set the timeout back to the value it had when we were called. | |
382 | set timeout $oldtimeout | |
383 | verbose "Timeout is now $timeout seconds" 2 | |
384 | ||
385 | # Restart gdb in case next test expects it to be started already. | |
386 | return 0 | |
387 | } | |
388 | ||
389 | # Find a pathname to a file that we would execute if the shell was asked | |
390 | # to run $arg using the current PATH. | |
391 | ||
392 | proc find_gdb { arg } { | |
393 | ||
394 | # If the arg directly specifies an existing executable file, then | |
395 | # simply use it. | |
396 | ||
397 | if [file executable $arg] then { | |
398 | return $arg | |
399 | } | |
400 | ||
401 | set result [which $arg] | |
402 | if [string match "/" [ string range $result 0 0 ]] then { | |
403 | return $result | |
404 | } | |
405 | ||
406 | # If everything fails, just return the unqualified pathname as default | |
407 | # and hope for best. | |
408 | ||
409 | return $arg | |
410 | } | |
411 | ||
412 | # Run the test with self. | |
413 | # Copy the file executable file in case this OS doesn't like to edit its own | |
414 | # text space. | |
415 | ||
416 | set GDB_FULLPATH [find_gdb $GDB] | |
417 | ||
418 | # Remove any old copy lying around. | |
419 | remote_file host delete x$tool | |
420 | ||
421 | gdb_start | |
422 | set file [remote_download host $GDB_FULLPATH x$tool] | |
423 | set result [test_with_self $file]; | |
424 | gdb_exit; | |
425 | catch "remote_file host delete $file"; | |
426 | ||
427 | if {$result <0} then { | |
428 | warning "Couldn't test self" | |
429 | return -1 | |
430 | } |