1 # Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
3 # Free Software Foundation, Inc.
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.
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.
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.
19 # Please email any bugs, comments, and/or additions to this file to:
20 # bug-gdb@prep.ai.mit.edu
22 # This file was written by Rob Savoye. (rob@cygnus.com)
30 # test running programs
36 set srcfile ${testfile}.c
37 set binfile ${objdir}/${subdir}/${testfile}
39 if { [gdb_compile "${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."
43 if [get_compiler_info ${binfile}] {
49 gdb_reinitialize_dir $srcdir/$subdir
52 if [target_info exists gdb_stub] {
56 # test simple breakpoint setting commands
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.
64 send_gdb "delete breakpoints\n"
66 -re "Delete all breakpoints.*$" {
70 fail "Delete all breakpoints when none (unexpected prompt)"
72 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
75 -re ".*$gdb_prompt $" { pass "Delete all breakpoints when none" }
76 timeout { fail "Delete all breakpoints when none (timeout)" }
80 # test break at function
82 gdb_test "break main" \
83 "Breakpoint.*at.* file .*$srcfile, line.*" \
87 # test break at function in file
89 gdb_test "break $srcfile:factorial" \
90 "Breakpoint.*at.* file .*$srcfile, line.*" \
91 "breakpoint function in file"
94 # test break at line number
96 # Note that the default source file is the last one whose source text
97 # was printed. For native debugging, before we've executed the
98 # program, this is the file containing main, but for remote debugging,
99 # it's wherever the processor was stopped when we connected to the
100 # board. So, to be sure, we do a list command.
102 gdb_test "list main" \
103 ".*main \\(argc, argv, envp\\).*" \
104 "use `list' to establish default source file"
105 gdb_test "break 79" \
106 "Breakpoint.*at.* file .*$srcfile, line 79\\." \
107 "breakpoint line number"
110 # test duplicate breakpoint
112 gdb_test "break 79" \
113 "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line 79\\." \
114 "breakpoint duplicate"
117 # test break at line number in file
119 gdb_test "break $srcfile:85" \
120 "Breakpoint.*at.* file .*$srcfile, line 85\\." \
121 "breakpoint line number in file"
125 # check to see what breakpoints are set
127 if [target_info exists gdb_stub] {
133 if {$hp_aCC_compiler} {
134 set proto "\\(int\\)"
138 gdb_test "info break" \
139 "Num Type\[ \]+Disp Enb Address\[ \]+What.*
140 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.*
141 \[0-9\]+\[\t \]+breakpoint keep y.* in factorial$proto at .*$srcfile:96.*
142 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:79.*
143 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:79.*
144 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:85" \
148 # FIXME: The rest of this test doesn't work with anything that can't
150 # Huh? There doesn't *appear* to be anything that passes arguments
152 if [istarget "mips-idt-*"] then {
157 # run until the breakpoint at main is hit. For non-stubs-using targets.
159 if ![target_info exists use_gdb_stub] {
160 if [istarget "*-*-vxworks*"] then {
161 send_gdb "run vxmain \"2\"\n"
163 verbose "Timeout is now $timeout seconds" 2
168 -re "The program .* has been started already.*y or n. $" {
172 -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:75.*75\[\t \]+if .argc.* \{.*$gdb_prompt $"\
173 { pass "run until function breakpoint" }
174 -re ".*$gdb_prompt $" { fail "run until function breakpoint" }
175 timeout { fail "run until function breakpoint (timeout)" }
178 if ![target_info exists gdb_stub] {
179 gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:75.*75\[\t \]+if .argc.*\{.*" "stub continue"
184 # run until the breakpoint at a line number
186 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:79.*79\[\t \]+printf.*factorial.*" \
187 "run until breakpoint set at a line number"
190 # Run until the breakpoint set in a function in a file
192 for {set i 6} {$i >= 1} {incr i -1} {
193 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:96.*96\[\t \]+.*if .value > 1. \{.*" \
194 "run until file:function($i) breakpoint"
198 # run until the file:function breakpoint at a line number in a file
200 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:85.*85\[\t \]+argc = \\(argc == 12345\\);.*" \
201 "run until file:linenum breakpoint"
203 # Test break at offset +1
205 gdb_test "break +1" \
206 "Breakpoint.*at.* file .*$srcfile, line 86\\." \
207 "breakpoint offset +1"
209 # Check to see if breakpoint is hit when stepped onto
212 ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:86.*86\[\t \]+return argc;" \
213 "step onto breakpoint"
216 # delete all breakpoints so we can start over, course this can be a test too
221 # test temporary breakpoint at function
224 gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
227 # test break at function in file
230 gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \
231 "Temporary breakpoint function in file"
234 # test break at line number
236 send_gdb "tbreak 79\n"
238 -re "Breakpoint.*at.* file .*$srcfile, line 79.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
239 -re ".*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
240 timeout { fail "breakpoint line number #1 (timeout)" }
243 gdb_test "tbreak 75" "Breakpoint.*at.* file .*$srcfile, line 75.*" "Temporary breakpoint line number #2"
246 # test break at line number in file
248 send_gdb "tbreak $srcfile:85\n"
250 -re "Breakpoint.*at.* file .*$srcfile, line 85.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
251 -re ".*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
252 timeout { fail "Temporary breakpoint line number in file #1 (timeout)" }
255 gdb_test "tbreak $srcfile:81" "Breakpoint.*at.* file .*$srcfile, line 81.*" "Temporary breakpoint line number in file #2"
258 # check to see what breakpoints are set (temporary this time)
260 gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
261 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
262 \[0-9\]+\[\t \]+breakpoint del.*y.*in factorial$proto at .*$srcfile:96.*\[\r\n\]
263 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:79.*\[\r\n\]
264 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:75.*\[\r\n\]
265 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:85.*\[\r\n\]
266 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:81.*" \
267 "Temporary breakpoint info"
272 # Verify that catchpoints for fork, vfork and exec don't trigger
273 # inappropriately. (There are no calls to those system functions
274 # in this test program.)
276 if ![runto_main] then { fail "break tests suppressed" }
280 -re "Catch requires an event name.*$gdb_prompt $"\
281 {pass "catch requires an event name"}
283 {fail "catch requires an event name"}
284 timeout {fail "(timeout) catch requires an event name"}
288 set name "set catch fork, never expected to trigger"
289 send_gdb "catch fork\n"
291 -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
293 -re "Catch of fork not yet implemented.*$gdb_prompt $"
297 timeout {fail "(timeout) $name"}
301 set name "set catch vfork, never expected to trigger"
302 send_gdb "catch vfork\n"
304 # If we are on HP-UX 10.20, we expect an error message to be
305 # printed if we type "catch vfork" at the gdb gdb_prompt. This is
306 # because on HP-UX 10.20, we cannot catch vfork events.
308 if [istarget "hppa*-hp-hpux10.20"] then {
310 -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
314 timeout {fail "(timeout) $name"}
318 -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
320 -re "Catch of vfork not yet implemented.*$gdb_prompt $"
324 timeout {fail "(timeout) $name"}
328 set name "set catch exec, never expected to trigger"
329 send_gdb "catch exec\n"
331 -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
333 -re "Catch of exec not yet implemented.*$gdb_prompt $"
335 -re "$gdb_prompt $" {fail $name}
336 timeout {fail "(timeout) $name"}
339 # Verify that "until <location>" works. (This is really just syntactic
340 # sugar for "tbreak <location>; continue".)
342 send_gdb "until 79\n"
344 -re "main .* at .*:79.*$gdb_prompt $"\
348 timeout {fail "(timeout) until 79"}
351 # Verify that a malformed "until" is gracefully caught.
353 send_gdb "until 80 then stop\n"
355 -re "Junk at end of arguments..*$gdb_prompt $"\
356 {pass "malformed until"}
358 {fail "malformed until"}
359 timeout {fail "(timeout) malformed until"}
362 # Verify that GDB responds gracefully when asked to set a breakpoint
363 # on a nonexistent source line.
365 send_gdb "break 999\n"
367 -re "No line 999 in file .*$gdb_prompt $"\
368 {pass "break on non-existent source line"}
370 {fail "break on non-existent source line"}
371 timeout {fail "(timeout) break on non-existent source line"}
374 # Verify that GDB allows one to just say "break", which is treated
375 # as the "default" breakpoint. Note that GDB gets cute when printing
376 # the informational message about other breakpoints at the same
377 # location. We'll hit that bird with this stone too.
381 -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
382 {pass "break on default location, 1st time"}
384 {fail "break on default location, 1st time"}
385 timeout {fail "(timeout) break on default location, 1st time"}
390 -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
391 {pass "break on default location, 2nd time"}
393 {fail "break on default location, 2nd time"}
394 timeout {fail "(timeout) break on default location, 2nd time"}
399 -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
400 {pass "break on default location, 3rd time"}
402 {fail "break on default location, 3rd time"}
403 timeout {fail "(timeout) break on default location, 3rd time"}
408 -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
409 {pass "break on default location, 4th time"}
411 {fail "break on default location, 4th time"}
412 timeout {fail "(timeout) break on default location, 4th time"}
415 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
416 # "silent" about its triggering.
418 if ![runto_main] then { fail "break tests suppressed" }
420 send_gdb "break 79\n"
422 -re "Breakpoint (\[0-9\]*) at .*, line 79.*$gdb_prompt $"\
423 {pass "set to-be-silent break 79"}
425 {fail "set to-be-silent break 79"}
426 timeout {fail "(timeout) set to-be-silent break 79"}
429 send_gdb "commands $expect_out(1,string)\n"
433 -re ".*$gdb_prompt $"\
434 {pass "set silent break 79"}
435 timeout {fail "(timeout) set silent break 79"}
438 send_gdb "info break $expect_out(1,string)\n"
440 -re "\[0-9\]*\[ \t\]*breakpoint.*:79\r\n\[ \t\]*silent.*$gdb_prompt $"\
441 {pass "info silent break 79"}
443 {fail "info silent break 79"}
444 timeout {fail "(timeout) info silent break 79"}
446 send_gdb "continue\n"
448 -re "Continuing.\r\n$gdb_prompt $"\
449 {pass "hit silent break 79"}
451 {fail "hit silent break 79"}
452 timeout {fail "(timeout) hit silent break 79"}
456 -re "#0 main .* at .*:79.*$gdb_prompt $"\
457 {pass "stopped for silent break 79"}
459 {fail "stopped for silent break 79"}
460 timeout {fail "(timeout) stopped for silent break 79"}
463 # Verify that GDB can at least parse a breakpoint with the
464 # "thread" keyword. (We won't attempt to test here that a
465 # thread-specific breakpoint really triggers appropriately.
466 # The gdb.threads subdirectory contains tests for that.)
468 send_gdb "break 80 thread 999\n"
470 -re "Unknown thread 999.*$gdb_prompt $"\
471 {pass "thread-specific breakpoint on non-existent thread disallowed"}
473 {fail "thread-specific breakpoint on non-existent thread disallowed"}
474 timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
476 send_gdb "break 80 thread foo\n"
478 -re "Junk after thread keyword..*$gdb_prompt $"\
479 {pass "thread-specific breakpoint on bogus thread ID disallowed"}
481 {fail "thread-specific breakpoint on bogus thread ID disallowed"}
482 timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
485 # Verify that GDB responds gracefully to a breakpoint command with
488 send_gdb "break 80 foo\n"
490 -re "Junk at end of arguments..*$gdb_prompt $"\
491 {pass "breakpoint with trailing garbage disallowed"}
493 {fail "breakpoint with trailing garbage disallowed"}
494 timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}
497 # Verify that GDB responds gracefully to a "clear" command that has
498 # no matching breakpoint. (First, get us off the current source line,
499 # which we know has a breakpoint.)
503 -re ".*$gdb_prompt $"\
504 {pass "step over breakpoint"}
505 timeout {fail "(timeout) step over breakpoint"}
507 send_gdb "clear 81\n"
509 -re "No breakpoint at 81..*$gdb_prompt $"\
510 {pass "clear line has no breakpoint disallowed"}
512 {fail "clear line has no breakpoint disallowed"}
513 timeout {fail "(timeout) clear line has no breakpoint disallowed"}
517 -re "No breakpoint at this line..*$gdb_prompt $"\
518 {pass "clear current line has no breakpoint disallowed"}
520 {fail "clear current line has no breakpoint disallowed"}
521 timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
524 # Verify that we can set and clear multiple breakpoints.
526 # We don't test that it deletes the correct breakpoints. We do at
527 # least test that it deletes more than one breakpoint.
529 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
530 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
531 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
533 # Verify that a breakpoint can be set via a convenience variable.
535 send_gdb "set \$foo=81\n"
538 {pass "set convenience variable \$foo to 81"}
539 timeout {fail "(timeout) set convenience variable \$foo to 81"}
541 send_gdb "break \$foo\n"
543 -re "Breakpoint (\[0-9\]*) at .*, line 81.*$gdb_prompt $"\
544 {pass "set breakpoint via convenience variable"}
546 {fail "set breakpoint via convenience variable"}
547 timeout {fail "(timeout) set breakpoint via convenience variable"}
550 # Verify that GDB responds gracefully to an attempt to set a
551 # breakpoint via a convenience variable whose type is not integer.
553 send_gdb "set \$foo=81.5\n"
556 {pass "set convenience variable \$foo to 81.5"}
557 timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
559 send_gdb "break \$foo\n"
561 -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\
562 {pass "set breakpoint via non-integer convenience variable disallowed"}
564 {fail "set breakpoint via non-integer convenience variable disallowed"}
565 timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}
568 # Verify that we can set and trigger a breakpoint in a user-called function.
570 send_gdb "break marker2\n"
572 -re "Breakpoint (\[0-9\]*) at .*, line 4\[49\].*$gdb_prompt $"\
573 {pass "set breakpoint on to-be-called function"}
575 {fail "set breakpoint on to-be-called function"}
576 timeout {fail "(timeout) set breakpoint on to-be-called function"}
578 send_gdb "print marker2(99)\n"
580 -re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2$proto. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\
581 {pass "hit breakpoint on called function"}
583 {fail "hit breakpoint on called function"}
584 timeout {fail "(timeout) hit breakpoint on called function"}
587 # As long as we're stopped (breakpointed) in a called function,
588 # verify that we can successfully backtrace & such from here.
590 # In this and the following test, the _sr4export check apparently is needed
595 -re "#0\[ \t\]*$hex in marker2.*:4\[49\]\r\n#1.*_sr4export.*$gdb_prompt $"\
596 {pass "backtrace while in called function"}
597 -re "#0\[ \t\]*($hex in )?marker2.*:4\[49\]\r\n#1.*function called from gdb.*$gdb_prompt $"\
598 {pass "backtrace while in called function"}
600 {fail "backtrace while in called function"}
601 timeout {fail "(timeout) backtrace while in called function"}
604 # Return from the called function. For remote targets, it's important to do
605 # this before runto_main, which otherwise may silently stop on the dummy
606 # breakpoint inserted by GDB at the program's entry point.
610 -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.* in _sr4export.*$gdb_prompt $"\
611 {pass "finish from called function"}
612 -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.*function called from gdb.*$gdb_prompt $"\
613 {pass "finish from called function"}
614 -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.*Value returned.*$gdb_prompt $"\
615 {pass "finish from called function"}
617 {fail "finish from called function"}
618 timeout {fail "(timeout) finish from called function"}
621 # Verify that GDB responds gracefully to a "finish" command with
624 if ![runto_main] then { fail "break tests suppressed" }
626 send_gdb "finish 123\n"
628 -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
629 {pass "finish with arguments disallowed"}
631 {fail "finish with arguments disallowed"}
632 timeout {fail "(timeout) finish with arguments disallowed"}
635 # Verify that GDB responds gracefully to a request to "finish" from
636 # the outermost frame. On a stub that never exits, this will just
637 # run to the stubs routine, so we don't get this error... Thus the
643 -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
644 {pass "finish from outermost frame disallowed"}
645 -re "Run till exit from.*\r\n$gdb_prompt $" {
646 pass "finish from outermost frame disallowed"
649 {fail "finish from outermost frame disallowed"}
650 timeout {fail "(timeout) finish from outermost frame disallowed"}
653 # Verify that we can explicitly ask GDB to stop on all shared library
654 # events, and that it does so.
656 if [istarget "hppa*-*-hpux*"] then {
657 if ![runto_main] then { fail "break tests suppressed" }
659 send_gdb "set stop-on-solib-events 1\n"
662 {pass "set stop-on-solib-events"}
663 timeout {fail "(timeout) set stop-on-solib-events"}
668 -re ".*Start it from the beginning.*y or n. $"\
671 -re ".*Stopped due to shared library event.*$gdb_prompt $"\
672 {pass "triggered stop-on-solib-events"}
674 {fail "triggered stop-on-solib-events"}
675 timeout {fail "(timeout) triggered stop-on-solib-events"}
679 {fail "rerun for stop-on-solib-events"}
680 timeout {fail "(timeout) rerun for stop-on-solib-events"}
683 send_gdb "set stop-on-solib-events 0\n"
686 {pass "reset stop-on-solib-events"}
687 timeout {fail "(timeout) reset stop-on-solib-events"}
691 # Hardware breakpoints are unsupported on HP-UX. Verify that GDB
692 # gracefully responds to requests to create them.
694 if [istarget "hppa*-*-hpux*"] then {
695 if ![runto_main] then { fail "break tests suppressed" }
699 -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
700 {pass "hw breaks disallowed"}
702 {fail "hw breaks disallowed"}
703 timeout {fail "(timeout) hw breaks disallowed"}
708 -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
709 {pass "temporary hw breaks disallowed"}
711 {fail "temporary hw breaks disallowed"}
712 timeout {fail "(timeout) temporary hw breaks disallowed"}
720 # Test "next" over recursive function call.
723 proc test_next_with_recursion {} {
728 if [target_info exists use_gdb_stub] {
729 # Reload the program.
733 # FIXME: should be using runto
734 gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
739 gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
741 # Run until we call factorial with 6
743 if [istarget "*-*-vxworks*"] then {
744 send_gdb "run vxmain \"6\"\n"
749 -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
750 -re ".*$gdb_prompt $" {
751 fail "run to factorial(6)";
754 timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
757 # Continue until we call factorial recursively with 5.
759 if [gdb_test "continue" \
760 "Continuing.*Break.* factorial .value=5. .*" \
761 "continue to factorial(5)"] then { gdb_suppress_tests }
763 # Do a backtrace just to confirm how many levels deep we are.
765 if [gdb_test "backtrace" \
766 "#0\[ \t\]+ factorial .value=5..*" \
767 "backtrace from factorial(5)"] then { gdb_suppress_tests }
769 # Now a "next" should position us at the recursive call, which
770 # we will be performing with 4.
772 if [gdb_test "next" \
773 ".* factorial .value - 1.;.*" \
774 "next to recursive call"] then { gdb_suppress_tests }
776 # Disable the breakpoint at the entry to factorial by deleting them all.
777 # The "next" should run until we return to the next line from this
778 # recursive call to factorial with 4.
779 # Buggy versions of gdb will stop instead at the innermost frame on
780 # the line where we are trying to "next" to.
784 if [istarget "mips*tx39-*"] {
790 gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
791 "next over recursive call"
793 # OK, we should be back in the same stack frame we started from.
794 # Do a backtrace just to confirm.
796 set result [gdb_test "backtrace" \
797 "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
798 "backtrace from factorial(5.1)"]
799 if { $result != 0 } { gdb_suppress_tests }
801 if [target_info exists gdb,noresults] { gdb_suppress_tests }
802 gdb_continue_to_end "recursive next test"
803 gdb_stop_suppressing_tests;
806 test_next_with_recursion
811 # build a new file with optimization enabled so that we can try breakpoints
812 # on targets with optimized prologues
814 set binfileo2 ${objdir}/${subdir}/${testfile}o2
816 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfileo2}" executable {debug additional_flags="-O2" }] != "" } {
817 gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
820 if [get_compiler_info ${binfileo2}] {
826 gdb_reinitialize_dir $srcdir/$subdir
827 gdb_load ${binfileo2}
829 if [target_info exists gdb_stub] {
834 # test break at function
836 gdb_test "break main" \
837 "Breakpoint.*at.* file .*$srcfile, line.*" \
838 "breakpoint function, optimized file"
841 # test break at function
843 gdb_test "break marker4" \
844 "Breakpoint.*at.* file .*$srcfile, line.*" \
845 "breakpoint small function, optimized file"
848 # run until the breakpoint at main is hit. For non-stubs-using targets.
850 if ![target_info exists use_gdb_stub] {
851 if [istarget "*-*-vxworks*"] then {
852 send_gdb "run vxmain \"2\"\n"
854 verbose "Timeout is now $timeout seconds" 2
859 -re "The program .* has been started already.*y or n. $" {
863 -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:75.*75\[\t \]+if .argc.* \{.*$gdb_prompt $"\
864 { pass "run until function breakpoint, optimized file" }
865 -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $"\
866 { pass "run until function breakpoint, optimized file (code motion)" }
867 -re ".*$gdb_prompt $" { fail "run until function breakpoint, optimized file" }
868 timeout { fail "run until function breakpoint, optimized file (timeout)" }
871 if ![target_info exists gdb_stub] {
872 gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:75.*75\[\t \]+if .argc.*\{.*" "stub continue, optimized file"
877 # run until the breakpoint at a small function
881 # Add a second pass pattern. The behavior differs here between stabs
882 # and dwarf for one-line functions. Stabs preserves two line symbols
883 # (one before the prologue and one after) with the same line number,
884 # but dwarf regards these as duplicates and discards one of them.
885 # Therefore the address after the prologue (where the breakpoint is)
886 # has no exactly matching line symbol, and GDB reports the breakpoint
887 # as if it were in the middle of a line rather than at the beginning.
889 send_gdb "continue\n"
891 -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:51\[\r\n\]+51\[\t \]+void marker4.*" {
892 pass "run until breakpoint set at small function, optimized file"
894 -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile:51\[\r\n\]+51\[\t \]+void marker4.*" {
895 pass "run until breakpoint set at small function, optimized file"
897 -re ".*$gdb_prompt " {
898 fail "run until breakpoint set at small function, optimized file"
901 fail "run until breakpoint set at small function, optimized file (timeout)"
906 # Reset the default arguments for VxWorks
907 if [istarget "*-*-vxworks*"] {
909 verbose "Timeout is now $timeout seconds" 2
910 send_gdb "set args main\n"
911 gdb_expect -re ".*$gdb_prompt $" {}