1 # Copyright 1988-2013 Free Software Foundation, Inc.
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 3 of the License, or
6 # (at your option) any later version.
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.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # This file was written by Rob Savoye. (rob@cygnus.com)
19 # are we on a target board
20 if { [is_remote target] || ![isnative] } then {
24 # Not all of the lines of code near the start of main are executed for
25 # every machine. Also, optimization may reorder some of the lines.
26 # So all we do is try to step or next over everything until we get
27 # to a line that we know is always executed.
29 proc do_steps_and_nexts {} {
33 gdb_reinitialize_dir $srcdir/..
36 for {set count 0} {$count < 32} {incr count} {
37 # NOTE: carlton/2002-12-11: The "initial brace" and
38 # "current_directory initialization" possibilities happen to
39 # me with GCC 3.1 on i686-pc-linux-gnu when I compile with
41 gdb_test_multiple "list" "list" {
42 -re ".*context = data.*$gdb_prompt $" {
43 set description "step over context initialization"
46 -re ".*argc = context->argc.*$gdb_prompt $" {
47 set description "step over argc initialization"
50 -re ".*argv = context->argv.*$gdb_prompt $" {
51 set description "step over argv initialization"
54 -re ".*quiet = 0.*$gdb_prompt $" {
55 set description "step over quiet initialization"
58 -re ".*batch = 0.*$gdb_prompt $" {
59 set description "step over batch initialization"
62 -re ".*symarg = NULL.*$gdb_prompt $" {
63 set description "step over symarg initialization"
66 -re ".*execarg = NULL.*$gdb_prompt $" {
67 set description "step over execarg initialization"
70 -re ".*pidarg = NULL.*$gdb_prompt $" {
71 set description "step over pidarg initialization"
74 -re ".*corearg = NULL.*$gdb_prompt $" {
75 set description "step over corearg initialization"
78 -re ".*pid_or_core_arg = NULL.*$gdb_prompt $" {
79 set description "step over pid_or_core_arg initialization"
82 -re ".*cdarg = NULL.*$gdb_prompt $" {
83 set description "step over cdarg initialization"
86 -re ".*ttyarg = NULL.*$gdb_prompt $" {
87 set description "step over ttyarg initialization"
90 -re ".*cmdarg_vec = NULL.*$gdb_prompt $" {
91 set description "step over cmdarg_vec initialization"
94 -re ".*pre_stat_chain = make_command_stats_cleanup.*$gdb_prompt $" {
95 set description "next over make_command_stats_cleanup and everything it calls"
98 -re ".*START_PROGRESS.*$gdb_prompt $" {
99 # Note: ezannoni/2004/02/17: This check should be
100 # removed, since as of today that source line is not
102 set description "next over START_PROGRESS and everything it calls"
105 -re ".*mac_init.*$gdb_prompt $" {
106 set description "next over mac_init and everything it calls"
109 -re ".*init_malloc.*$gdb_prompt $" {
110 # gdb 6.2.X is the last gdb which called init_malloc
111 set description "next over init_malloc and everything it calls"
114 -re ".*lim_at_start.*$gdb_prompt $" {
115 set description "next over lim_at_start initialization"
118 -re ".*count . 0x3.*$gdb_prompt $" {
119 set description "next over conditional stack alignment code 1"
122 -re ".*if .i != 0.*$gdb_prompt $" {
123 set description "next over conditional stack alignment code 2"
126 -re ".*alloca .i - 4.*$gdb_prompt $" {
127 set description "next over conditional stack alignment alloca"
130 -re ".*dirsize = 1.*$gdb_prompt $" {
131 set description "next over dirsize initialization"
134 -re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
137 -re ".*setlocale .LC_MESSAGES,.*$gdb_prompt $" {
138 set description "next over setlocale LC_MESSAGES"
141 -re ".*setlocale .LC_CTYPE,.*$gdb_prompt $" {
142 set description "next over setlocale LC_CTYPE"
145 -re ".*bindtextdomain .PACKAGE, LOCALEDIR.;.*$gdb_prompt $" {
146 set description "next over bindtextdomain"
149 -re ".*textdomain .PACKAGE.;.*$gdb_prompt $" {
150 set description "next over textdomain PACKAGE"
153 -re ".*bfd_init ..;.*$gdb_prompt $" {
154 set description "next over bfd_init"
157 -re ".*VEC_cleanup .cmdarg_s.*$gdb_prompt $" {
158 set description "next over cmdarg_s VEC_cleanup"
161 -re "\[0-9\]+\[\t \]+\{\r\n$gdb_prompt $" {
162 set description "step over initial brace"
165 -re ".*current_directory = gdb_dirbuf.*$gdb_prompt $" {
166 set description "step over current_directory initialization"
169 -re ".*gdb_sysroot = .*$gdb_prompt $" {
170 # NOTE: carlton/2003-01-15: More optimization reordering,
171 # observed on GCC 3.1.
172 set description "step over gdb_sysroot initialization"
175 -re ".*ndir = 0.*$gdb_prompt $" {
176 set description "step over ndir initialization"
179 -re ".*instream = stdin.*$gdb_prompt $" {
180 set description "step over instream initialization"
183 -re ".*getcwd .gdb_dirbuf, sizeof .gdb_dirbuf.*$gdb_prompt $" {
184 set description "next over getcwd"
187 -re ".*gdb_program_name = xstrdup.*$gdb_prompt $" {
188 set description "next over xstrdup"
191 -re ".*quit_flag = 0.*$gdb_prompt $" {
192 set description "step over quit_flag initialization"
195 -re ".*gdb_stdout = stdio_fileopen .stdout.;.*$gdb_prompt $" {
196 set description "step over gdb_stdout initialization"
199 -re ".*gdb_stderr = stdio_fileopen .stderr.;.*$gdb_prompt $" {
200 set description "step over gdb_stderr initialization"
203 -re ".*main.c.*No such file or directory.*$gdb_prompt $" {
204 setup_xfail "rs6000-*-aix3*"
205 fail "must be able to list source lines"
208 -re ".*interpreter_p = xstrdup.*$gdb_prompt $" {
209 if { $unlikely_line == 0 } {
210 # This is a GCC optimization bug; a constant has been
211 # associated with the wrong line number.
212 setup_xfail "*-*-*" gcc/26475
213 fail "$description (unlikely line from gcc)"
216 set description "next over xstrdup"
219 -re ".*$gdb_prompt $" {
220 fail "unknown source line after $description"
224 fail "unknown source line near main"
228 gdb_test_multiple "$command" "$description" {
229 -re ".*No such file or directory.\r\n$gdb_prompt $" {
230 fail "$description (no source available)"
232 -re ".*A file or directory .* does not exist..\r\n$gdb_prompt $" {
233 fail "$description (no source available)"
235 -re ".*$gdb_prompt $" {
242 proc test_with_self { executable } {
248 global INTERNAL_GDBFLAGS
250 # load yourself into the debugger
251 # This can take a relatively long time, particularly for testing where
252 # the executable is being accessed over a network, or where gdb does not
253 # support partial symbols for a particular target and has to load the
254 # entire symbol table. Set the timeout to 10 minutes, which should be
255 # adequate for most environments (it *has* timed out with 5 min on a
256 # SPARCstation SLC under moderate load, so this isn't unreasonable).
257 # After gdb is started, set the timeout to 30 seconds for the duration
258 # of this test, and then back to the original value.
260 set oldtimeout $timeout
262 verbose "Timeout is now $timeout seconds" 2
264 global gdb_file_cmd_debug_info
265 set gdb_file_cmd_debug_info "unset"
267 set result [gdb_load $executable]
268 set timeout $oldtimeout
269 verbose "Timeout is now $timeout seconds" 2
271 if { $result != 0 } then {
275 if { $gdb_file_cmd_debug_info != "debug" } then {
276 untested "No debug information, skipping testcase."
280 # disassemble yourself
281 gdb_test "x/10i main" \
282 "x/10i.*main.*main.$decimal.*main.$decimal.*" \
285 # Set a breakpoint at main
286 gdb_test "break captured_main" \
287 "Breakpoint.*at.* file.*, line.*" \
288 "breakpoint in captured_main"
290 # We'll need this when we send a ^C to GDB. Need to do it before we
291 # run the program and gdb starts saving and restoring tty states.
292 # On Ultrix, we don't need it and it is really slow (because shell_escape
293 # doesn't use vfork).
294 if ![istarget "*-*-ultrix*"] then {
295 gdb_test "shell stty intr '^C'" ".*" \
296 "set interrupt character in test_with_self"
299 # FIXME: If we put this after the run to main, the first list
300 # command doesn't print the same line as the current line where
302 gdb_test_no_output "set listsize 1" "set listsize to 1"
305 # It may take a very long time for the inferior gdb to start (lynx),
306 # so we bump it back up for the duration of this command.
309 set description "run until breakpoint at captured_main"
310 gdb_test_multiple "run $INTERNAL_GDBFLAGS" "$description" {
311 -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" {
314 -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.*$gdb_prompt $" {
315 xfail "$description (line numbers scrambled?)"
317 -re "vfork: No more processes.*$gdb_prompt $" {
318 fail "$description (out of virtual memory)"
319 set timeout $oldtimeout
320 verbose "Timeout is now $timeout seconds" 2
323 -re ".*$gdb_prompt $" {
325 set timeout $oldtimeout
326 verbose "Timeout is now $timeout seconds" 2
331 set timeout $oldtimeout
332 verbose "Timeout is now $timeout seconds" 2
334 # do we have a version number ?
335 gdb_test_multiple "print version" "printed version" {
336 -re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
337 pass "printed version as string"
339 -re ".\[0-9\]+ = +0x.*\[0-9.\]+.*$gdb_prompt $" {
340 pass "printed version as pointer"
342 -re ".\[0-9\]+ = +.+ +0x.*\[0-9.\]+.*$gdb_prompt $" {
343 pass "printed version with cast"
349 gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
351 # do_steps_and_nexts left us ready to execute an xmalloc call,
352 # so give that a try.
353 # If we don't actually enter the xmalloc call when we give a
354 # step command that seems like a genuine bug. It seems to happen
355 # on most RISC processors.
356 # NOTE drow/2003-06-22: However, if we step back to the preceding two
357 # lines, just keep stepping until we enter.
359 setup_xfail "alpha-*-*" "mips-*-*"
360 set description "step into xmalloc call"
361 gdb_test_multiple "step" "$description" {
362 -re "ncmd = 0;.*$gdb_prompt $" {
367 -re ".*cmdarg = .* xmalloc.*$gdb_prompt $" {
372 -re "dirsize = 1;.*$gdb_prompt $" {
377 -re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
378 if { $stepped_back == 1 } {
385 -re "xmalloc.*size=.*at.*utils.c.*$gdb_prompt $" {
388 -re ".*No such file or directory.\r\n$gdb_prompt $" {
389 pass "$description (no source available)"
391 -re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
392 pass "$description (no source available)"
396 # start the "xgdb" process
397 if [target_info exists gdb,noinferiorio] {
398 # Maybe testing with a local extended-remote gdbserver. With
399 # no way to interact with inferior GDB, all we can do is let
401 send_gdb "continue\n"
402 # Wait a bit while the inferior gdb gets to its prompt.
405 set test "xgdb is at prompt"
406 gdb_test_multiple "continue" $test {
407 -re "GNU gdb \[0-9\.\]*.*Copyright \\(C\\) \[0-9\]* Free Software Foundation, Inc.*License GPLv3\\+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.*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 $" {
412 # set xgdb prompt so we can tell which is which
413 gdb_test_multiple "set prompt (xgdb) " "Set xgdb_prompt" {
414 -re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" {
415 pass "Set xgdb prompt"
420 # kill the xgdb process
421 set description "send ^C to child process"
424 -re "Program received signal SIGINT.*$gdb_prompt $" {
427 -re ".*$gdb_prompt $" {
431 fail "$description (timeout)"
435 set description "send SIGINT signal to child process"
436 gdb_test "signal SIGINT" \
437 "Continuing with signal SIGINT.*" \
442 # This fails on some linux systems for unknown reasons. On the
443 # systems where it fails, sometimes it works fine when run manually.
444 # The testsuite failures may not be limited to just aout systems.
445 setup_xfail "i*86-pc-linuxaout-gnu"
446 set description "backtrace through signal handler"
447 gdb_test_multiple "backtrace" "$description" {
448 -re "#0.*(read|poll).*in main \\(.*\\) at .*gdb\\.c.*$gdb_prompt $" {
451 -re ".*$gdb_prompt $" {
452 # On the alpha, we hit the infamous problem about gdb
453 # being unable to get the frame pointer (mentioned in
454 # gdb/README). As it is intermittent, there is no way to
455 # XFAIL it which will give us an XPASS if the problem goes
457 setup_xfail "alpha*-*-osf*"
463 # Set the timeout back to the value it had when we were called.
464 set timeout $oldtimeout
465 verbose "Timeout is now $timeout seconds" 2
467 # Restart gdb in case next test expects it to be started already.
471 # Find a pathname to a file that we would execute if the shell was asked
472 # to run $arg using the current PATH.
474 proc find_gdb { arg } {
476 # If the arg directly specifies an existing executable file, then
479 if [file executable $arg] then {
483 set result [which $arg]
484 if [string match "/" [ string range $result 0 0 ]] then {
488 # If everything fails, just return the unqualified pathname as default
494 # Run the test with self.
495 # Copy the file executable file in case this OS doesn't like to edit its own
498 set GDB_FULLPATH [find_gdb $GDB]
500 # Remove any old copy lying around.
501 remote_file host delete x$tool
504 set file [remote_download host $GDB_FULLPATH x$tool]
505 set result [test_with_self $file];
507 catch "remote_file host delete $file";
509 if {$result <0} then {
510 warning "Couldn't test self"