1 # Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
2 # 2000, 2002, 2003, 2007, 2008, 2009, 2010, 2011
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 3 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, see <http://www.gnu.org/licenses/>.
18 # This file was written by Rob Savoye. (rob@cygnus.com)
20 if { [prepare_for_testing break.exp "break" {break.c break1.c} {debug nowarnings}] } {
26 # test simple breakpoint setting commands
29 # Test deleting all breakpoints when there are none installed,
30 # GDB should not prompt for confirmation.
31 # Note that lib/gdb.exp provides a "delete_breakpoints" proc
32 # for general use elsewhere.
34 send_gdb "delete breakpoints\n"
36 -re "Delete all breakpoints.*$" {
40 fail "Delete all breakpoints when none (unexpected prompt)"
42 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
45 -re ".*$gdb_prompt $" { pass "Delete all breakpoints when none" }
46 timeout { fail "Delete all breakpoints when none (timeout)" }
50 # test break at function
52 gdb_test "break main" \
53 "Breakpoint.*at.* file .*$srcfile, line.*" \
57 # test break at quoted function
59 gdb_test "break \"marker2\"" \
60 "Breakpoint.*at.* file .*$srcfile1, line.*" \
61 "breakpoint quoted function"
64 # test break at function in file
66 gdb_test "break $srcfile:factorial" \
67 "Breakpoint.*at.* file .*$srcfile, line.*" \
68 "breakpoint function in file"
70 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
73 # test break at line number
75 # Note that the default source file is the last one whose source text
76 # was printed. For native debugging, before we've executed the
77 # program, this is the file containing main, but for remote debugging,
78 # it's wherever the processor was stopped when we connected to the
79 # board. So, to be sure, we do a list command.
81 gdb_test "list main" \
82 ".*main \\(argc, argv, envp\\).*" \
83 "use `list' to establish default source file"
84 gdb_test "break $bp_location1" \
85 "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
86 "breakpoint line number"
89 # test duplicate breakpoint
91 gdb_test "break $bp_location1" \
92 "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
93 "breakpoint duplicate"
95 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
98 # test break at line number in file
100 gdb_test "break $srcfile:$bp_location2" \
101 "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
102 "breakpoint line number in file"
104 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
105 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
108 # Test putting a break at the start of a multi-line if conditional.
109 # Verify the breakpoint was put at the start of the conditional.
111 gdb_test "break multi_line_if_conditional" \
112 "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
113 "breakpoint at start of multi line if conditional"
115 gdb_test "break multi_line_while_conditional" \
116 "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
117 "breakpoint at start of multi line while conditional"
119 set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
120 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
122 set main_line $bp_location6
124 if {$hp_aCC_compiler} {
125 set proto "\\(int\\)"
130 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
131 set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
132 set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]
134 gdb_test "info break" \
135 "Num Type\[ \]+Disp Enb Address\[ \]+What.*
136 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.*
137 \[0-9\]+\[\t \]+breakpoint keep y.* in marker2 at .*$srcfile1:($bp_location8|$bp_location9).*
138 \[0-9\]+\[\t \]+breakpoint keep y.* in factorial$proto at .*$srcfile:$bp_location7.*
139 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.*
140 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.*
141 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location2.*
142 \[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
143 \[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
147 # Test info breakpoint with arguments
157 gdb_test_multiple "info break 2 4 6" "info break 2 4 6" {
158 -re "1\[\t \]+breakpoint *keep y\[^\r\n\]*:$main_line\[^\r\n\]*" {
162 -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
166 -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
170 -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
174 -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
178 -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
182 -re ".*$gdb_prompt $" {
183 if { !$see1 && $see2 && !$see3 && $see4 && !$see5 && $see6 } then {
184 pass "info break 2 4 6"
186 fail "info break 2 4 6"
198 gdb_test_multiple "info break 3-5" "info break 3-5" {
199 -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
203 -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
207 -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
211 -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
215 -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
219 -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
223 -re ".*$gdb_prompt $" {
224 if { !$see1 && !$see2 && $see3 && $see4 && $see5 && !$see6 } then {
225 pass "info break 3-5"
227 fail "info break 3-5"
233 # Test disable/enable with arguments
236 # Test with value history
238 gdb_test "print 1" "" ""
239 gdb_test "print 2" "" ""
240 gdb_test "print 3" "" ""
241 gdb_test "print 4" "" ""
242 gdb_test "print 5" "" ""
243 gdb_test "print 6" "" ""
245 # $2 is 2 and $$ is 5
246 gdb_test_no_output "disable \$2 \$\$" "disable using history values"
255 gdb_test_multiple "info break" "check disable with history values" {
256 -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
260 -re "2\[\t \]+breakpoint *keep n\[^\r\n\]* in marker2 at \[^\r\n\]*" {
264 -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
268 -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
272 -re "5\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location1\[^\r\n\]*" {
276 -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
280 -re ".*$gdb_prompt $" {
281 if { $see1 && $see2 && $see3 && $see4 && $see5 && $see6 } then {
282 pass "check disable with history values"
284 fail "check disable with history values"
289 gdb_test "enable" "" ""
290 gdb_test "set \$foo = 3" "" ""
291 gdb_test "set \$bar = 6" "" ""
292 gdb_test_no_output "disable \$foo \$bar" "disable with convenience values"
301 gdb_test_multiple "info break" "check disable with convenience values" {
302 -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
306 -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
310 -re "3\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location7\[^\r\n\]*" {
314 -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
318 -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
322 -re "6\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location2\[^\r\n\]*" {
326 -re ".*$gdb_prompt $" {
327 if { $see1 && $see2 && $see3 && $see4 && $see5 && $see6 } then {
328 pass "check disable with convenience values"
330 fail "check disable with convenience values"
335 # test with bad values
337 gdb_test "enable" "" ""
338 gdb_test "disable 10" "No breakpoint number 10." \
339 "disable non-existent breakpoint 10"
341 gdb_test "set \$baz 1.234"
342 gdb_test "disable \$baz" \
343 "Convenience variable must have integer value.*" \
344 "disable with non-integer convenience var"
345 gdb_test "disable \$grbx" \
346 "Convenience variable must have integer value.*" \
347 "disable with non-existent convenience var"
348 gdb_test "disable \$10" \
349 "History has not yet reached .10." \
350 "disable with non-existent history value"
351 gdb_test "disable \$1foo" \
352 "Convenience variable must have integer value.*" \
353 "disable with badly formed history value"
355 # FIXME: The rest of this test doesn't work with anything that can't
357 # Huh? There doesn't *appear* to be anything that passes arguments
359 if [istarget "mips-idt-*"] then {
364 # run until the breakpoint at main is hit. For non-stubs-using targets.
368 -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
369 pass "run until function breakpoint"
371 -re "$gdb_prompt $" {
372 fail "run until function breakpoint"
375 fail "run until function breakpoint (timeout)"
380 # run until the breakpoint at a line number
382 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
383 "run until breakpoint set at a line number"
386 # Run until the breakpoint set in a function in a file
388 for {set i 6} {$i >= 1} {incr i -1} {
389 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
390 "run until file:function($i) breakpoint"
394 # Run until the breakpoint set at a quoted function
396 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:($bp_location8|$bp_location9).*" \
397 "run until quoted breakpoint"
399 # run until the file:function breakpoint at a line number in a file
401 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
402 "run until file:linenum breakpoint"
404 # Test break at offset +1
405 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
407 gdb_test "break +1" \
408 "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
409 "breakpoint offset +1"
411 # Check to see if breakpoint is hit when stepped onto
414 ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
415 "step onto breakpoint"
417 # Check to see if breakpoint can be set on ending brace of function
418 set bp_location10a [gdb_get_line_number "set breakpoint 10a here"]
420 gdb_test "break $bp_location10a" \
421 "Breakpoint.*at.* file .*$srcfile, line $bp_location10a\\." \
422 "setting breakpoint at }"
424 gdb_test "continue" \
425 ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10a.*$bp_location10a\[\t \]+}.*breakpoint 10a here.*" \
426 "continue to breakpoint at }"
429 # delete all breakpoints so we can start over, course this can be a test too
434 # test temporary breakpoint at function
437 gdb_test "tbreak main" "Temporary breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
440 # test break at function in file
443 gdb_test "tbreak $srcfile:factorial" "Temporary breakpoint.*at.* file .*$srcfile, line.*" \
444 "Temporary breakpoint function in file"
447 # test break at line number
449 gdb_test "tbreak $bp_location1" \
450 "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location1.*" \
451 "Temporary breakpoint line number #1"
453 gdb_test "tbreak $bp_location6" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"
456 # test break at line number in file
458 gdb_test "tbreak $srcfile:$bp_location2" \
459 "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location2.*" \
460 "Temporary breakpoint line number in file #1"
462 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
463 gdb_test "tbreak $srcfile:$bp_location11" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
466 # check to see what breakpoints are set (temporary this time)
468 gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
469 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
470 \[0-9\]+\[\t \]+breakpoint del.*y.*in factorial$proto at .*$srcfile:$bp_location7.*\[\r\n\]
471 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
472 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
473 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
474 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location11.*" \
475 "Temporary breakpoint info"
480 # Verify that catchpoints for fork, vfork and exec don't trigger
481 # inappropriately. (There are no calls to those system functions
482 # in this test program.)
484 if ![runto_main] then { fail "break tests suppressed" }
487 "Catch requires an event name." \
488 "catch requires an event name"
491 set name "set catch fork, never expected to trigger"
492 gdb_test_multiple "catch fork" "$name" {
493 -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $" {
496 -re "Catch of fork not yet implemented.*$gdb_prompt $" {
502 # If we are on HP-UX 10.20, we expect an error message to be
503 # printed if we type "catch vfork" at the gdb gdb_prompt. This is
504 # because on HP-UX 10.20, we cannot catch vfork events.
506 set name "set catch vfork, never expected to trigger"
508 if [istarget "hppa*-hp-hpux10.20"] then {
509 gdb_test "catch vfork" \
510 "Catch of vfork events not supported on HP-UX 10.20..*" \
513 gdb_test_multiple "catch vfork" "$name" {
514 -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $" {
517 -re "Catch of vfork not yet implemented.*$gdb_prompt $" {
523 set name "set catch exec, never expected to trigger"
524 gdb_test_multiple "catch exec" "$name" {
525 -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $" {
528 -re "Catch of exec not yet implemented.*$gdb_prompt $" {
533 # Verify that GDB responds gracefully when asked to set a breakpoint
534 # on a nonexistent source line.
536 gdb_test_no_output "set breakpoint pending off"
537 gdb_test "break 999" \
538 "No line 999 in the current file." \
539 "break on non-existent source line"
541 # Run to the desired default location. If not positioned here, the
542 # tests below don't work.
544 gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" \
547 # Verify that GDB allows one to just say "break", which is treated
548 # as the "default" breakpoint. Note that GDB gets cute when printing
549 # the informational message about other breakpoints at the same
550 # location. We'll hit that bird with this stone too.
552 gdb_test "break" "Breakpoint \[0-9\]*.*" \
553 "break on default location, 1st time"
556 "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
557 "break on default location, 2nd time"
560 "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
561 "break on default location, 3rd time"
564 "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
565 "break on default location, 4th time"
567 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
568 # "silent" about its triggering.
570 if ![runto_main] then { fail "break tests suppressed" }
572 gdb_test_multiple "break $bp_location1" \
573 "set to-be-silent break bp_location1" {
574 -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $" {
575 pass "set to-be-silent break bp_location1"
579 gdb_test "commands $expect_out(1,string)\nsilent\nend" ">end" "set silent break bp_location1"
581 gdb_test "info break $expect_out(1,string)" \
582 "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*" \
583 "info silent break bp_location1"
585 gdb_test "continue" "Continuing." \
586 "hit silent break bp_location1"
588 gdb_test "bt" "#0 main .* at .*:$bp_location1.*" \
589 "stopped for silent break bp_location1"
591 # Verify that GDB can at least parse a breakpoint with the
592 # "thread" keyword. (We won't attempt to test here that a
593 # thread-specific breakpoint really triggers appropriately.
594 # The gdb.threads subdirectory contains tests for that.)
596 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
597 gdb_test "break $bp_location12 thread 999" "Unknown thread 999.*" \
598 "thread-specific breakpoint on non-existent thread disallowed"
600 gdb_test "break $bp_location12 thread foo" \
601 "Junk after thread keyword.*" \
602 "thread-specific breakpoint on bogus thread ID disallowed"
604 # Verify that GDB responds gracefully to a breakpoint command with
607 gdb_test "break $bp_location12 foo" \
608 "Junk at end of arguments.*" \
609 "breakpoint with trailing garbage disallowed"
611 # Verify that GDB responds gracefully to a "clear" command that has
612 # no matching breakpoint. (First, get us off the current source line,
613 # which we know has a breakpoint.)
615 gdb_test "next" "marker1.*" "step over breakpoint"
617 gdb_test "clear 81" "No breakpoint at 81.*" \
618 "clear line has no breakpoint disallowed"
620 gdb_test "clear" "No breakpoint at this line.*" \
621 "clear current line has no breakpoint disallowed"
623 # Verify that we can set and clear multiple breakpoints.
625 # We don't test that it deletes the correct breakpoints. We do at
626 # least test that it deletes more than one breakpoint.
628 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
629 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
630 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
632 # Verify that a breakpoint can be set via a convenience variable.
634 gdb_test_no_output "set \$foo=$bp_location11" \
635 "set convenience variable \$foo to bp_location11"
637 gdb_test "break \$foo" \
638 "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*" \
639 "set breakpoint via convenience variable"
641 # Verify that GDB responds gracefully to an attempt to set a
642 # breakpoint via a convenience variable whose type is not integer.
644 gdb_test_no_output "set \$foo=81.5" \
645 "set convenience variable \$foo to 81.5"
647 gdb_test "break \$foo" \
648 "Convenience variables used in line specs must have integer values.*" \
649 "set breakpoint via non-integer convenience variable disallowed"
651 # Verify that we can set and trigger a breakpoint in a user-called function.
653 gdb_test "break marker2" \
654 "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*" \
655 "set breakpoint on to-be-called function"
657 gdb_test "print marker2(99)" \
658 "The program being debugged stopped while in a function called from GDB.\r\nEvaluation of the expression containing the function\r\n.marker2$proto. will be abandoned.\r\nWhen the function is done executing, GDB will silently stop.*" \
659 "hit breakpoint on called function"
661 # As long as we're stopped (breakpointed) in a called function,
662 # verify that we can successfully backtrace & such from here.
664 # In this and the following test, the _sr4export check apparently is needed
667 gdb_test_multiple "bt" "backtrace while in called function" {
668 -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $" {
669 pass "backtrace while in called function"
671 -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $" {
672 pass "backtrace while in called function"
676 # Return from the called function. For remote targets, it's important to do
677 # this before runto_main, which otherwise may silently stop on the dummy
678 # breakpoint inserted by GDB at the program's entry point.
680 gdb_test_multiple "finish" "finish from called function" {
681 -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $" {
682 pass "finish from called function"
684 -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $" {
685 pass "finish from called function"
687 -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $" {
688 pass "finish from called function"
692 # Verify that GDB responds gracefully to a "finish" command with
695 if ![runto_main] then { fail "break tests suppressed" }
697 send_gdb "finish 123\n"
699 -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
700 {pass "finish with arguments disallowed"}
702 {fail "finish with arguments disallowed"}
703 timeout {fail "(timeout) finish with arguments disallowed"}
706 # Verify that GDB responds gracefully to a request to "finish" from
707 # the outermost frame. On a stub that never exits, this will just
708 # run to the stubs routine, so we don't get this error... Thus the
712 gdb_test_multiple "finish" "finish from outermost frame disallowed" {
713 -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $" {
714 pass "finish from outermost frame disallowed"
716 -re "Run till exit from.*\r\n$gdb_prompt $" {
717 pass "finish from outermost frame disallowed"
721 # Verify that we can explicitly ask GDB to stop on all shared library
722 # events, and that it does so.
724 if [istarget "hppa*-*-hpux*"] then {
725 if ![runto_main] then { fail "break tests suppressed" }
727 gdb_test_no_output "set stop-on-solib-events 1" \
728 "set stop-on-solib-events"
731 "Stopped due to shared library event.*" \
732 "triggered stop-on-solib-events" \
733 "Start it from the beginning.*y or n. $" \
736 gdb_test_no_output "set stop-on-solib-events 0" \
737 "reset stop-on-solib-events"
740 # Hardware breakpoints are unsupported on HP-UX. Verify that GDB
741 # gracefully responds to requests to create them.
743 if [istarget "hppa*-*-hpux*"] then {
744 if ![runto_main] then { fail "break tests suppressed" }
747 "No hardware breakpoint support in the target.*" \
748 "hw breaks disallowed"
751 "No hardware breakpoint support in the target.*" \
752 "temporary hw breaks disallowed"
759 # Test "next" over recursive function call.
762 proc test_next_with_recursion {} {
767 gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
770 gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
772 # Run until we call factorial with 6
776 -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
777 -re ".*$gdb_prompt $" {
778 fail "run to factorial(6)";
781 timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
784 # Continue until we call factorial recursively with 5.
786 if [gdb_test "continue" \
787 "Continuing.*Break.* factorial .value=5. .*" \
788 "continue to factorial(5)"] then { gdb_suppress_tests }
790 # Do a backtrace just to confirm how many levels deep we are.
792 if [gdb_test "backtrace" \
793 "#0\[ \t\]+ factorial .value=5..*" \
794 "backtrace from factorial(5)"] then { gdb_suppress_tests }
796 # Now a "next" should position us at the recursive call, which
797 # we will be performing with 4.
799 if [gdb_test "next" \
800 ".* factorial .value - 1.;.*" \
801 "next to recursive call"] then { gdb_suppress_tests }
803 # Disable the breakpoint at the entry to factorial by deleting them all.
804 # The "next" should run until we return to the next line from this
805 # recursive call to factorial with 4.
806 # Buggy versions of gdb will stop instead at the innermost frame on
807 # the line where we are trying to "next" to.
811 if [istarget "mips*tx39-*"] {
814 # We used to set timeout here for all other targets as well. This
815 # is almost certainly wrong. The proper timeout depends on the
816 # target system in use, and how we communicate with it, so there
817 # is no single value appropriate for all targets. The timeout
818 # should be established by the Dejagnu config file(s) for the
819 # board, and respected by the test suite.
821 # For example, if I'm running GDB over an SSH tunnel talking to a
822 # portmaster in California talking to an ancient 68k board running
823 # a crummy ROM monitor (a situation I can only wish were
824 # hypothetical), then I need a large timeout. But that's not the
825 # kind of knowledge that belongs in this file.
827 gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
828 "next over recursive call"
830 # OK, we should be back in the same stack frame we started from.
831 # Do a backtrace just to confirm.
833 set result [gdb_test "backtrace" \
834 "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
835 "backtrace from factorial(5.1)"]
836 if { $result != 0 } { gdb_suppress_tests }
838 if [target_info exists gdb,noresults] { gdb_suppress_tests }
839 gdb_continue_to_end "recursive next test"
840 gdb_stop_suppressing_tests;
843 test_next_with_recursion
848 # build a new file with optimization enabled so that we can try breakpoints
849 # on targets with optimized prologues
851 if { [prepare_for_testing break.exp "breako2" {break.c break1.c} {debug nowarnings optimize=-O2}] } {
856 # test break at function
858 gdb_test "break main" \
859 "Breakpoint.*at.* file .*, line.*" \
860 "breakpoint function, optimized file"
863 # test break at function
865 gdb_test "break marker4" \
866 "Breakpoint.*at.* file .*$srcfile1, line.*" \
867 "breakpoint small function, optimized file"
870 # run until the breakpoint at main is hit. For non-stubs-using targets.
874 -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
875 pass "run until function breakpoint, optimized file"
877 -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
878 pass "run until function breakpoint, optimized file (code motion)"
880 -re "$gdb_prompt $" {
881 fail "run until function breakpoint, optimized file"
884 fail "run until function breakpoint, optimized file (timeout)"
889 # run until the breakpoint at a small function
893 # Add a second pass pattern. The behavior differs here between stabs
894 # and dwarf for one-line functions. Stabs preserves two line symbols
895 # (one before the prologue and one after) with the same line number,
896 # but dwarf regards these as duplicates and discards one of them.
897 # Therefore the address after the prologue (where the breakpoint is)
898 # has no exactly matching line symbol, and GDB reports the breakpoint
899 # as if it were in the middle of a line rather than at the beginning.
901 set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1]
902 set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
904 gdb_test_multiple "continue" \
905 "run until breakpoint set at small function, optimized file" {
906 -re "Breakpoint $decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
907 pass "run until breakpoint set at small function, optimized file"
909 -re "Breakpoint $decimal, $hex in marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
910 pass "run until breakpoint set at small function, optimized file"
912 -re "Breakpoint $decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
913 # marker4() is defined at line 46 when compiled with -DPROTOTYPES
914 pass "run until breakpoint set at small function, optimized file (line bp_location14)"
916 -re "Breakpoint $decimal, factorial \\(.*\\) .*\{\r\n$gdb_prompt" {
917 # GCC 4.3 emits bad line number information - see gcc/36748.
918 if { [test_compiler_info "gcc-4-3-*"] } {
921 fail "run until breakpoint set at small function, optimized file"
925 clean_restart breako2
928 # test that 'rbreak' on a symbol that may be from a shared library doesn't
929 # cause a "Junk at end of arguments." error.
931 # On x86 GNU/Linux, this test will choke on e.g. __libc_start_main@plt.
933 # Note that this test won't necessarily choke on all targets even if
934 # all the rbreak issue is present. rbreak needs to match and set a
935 # breakpoint on a symbol causes 'break' to choke.
938 gdb_test_no_output "set breakpoint pending on" "rbreak junk pending setup"
940 # We expect at least one breakpoint to be set when we "rbreak main".
941 gdb_test "rbreak main" \
942 ".*Breakpoint.*at.* file .*$srcfile, line.*" \
943 "rbreak junk set breakpoint"
945 # Run to a breakpoint. Fail if we see "Junk at end of arguments".
948 -re "Junk at end of arguments" {
951 -re ".*Breakpoint \[0-9\]+,.*$gdb_prompt $" {
955 fail "rbreak junk (timeout)"
960 # Reset the default arguments for VxWorks
961 if [istarget "*-*-vxworks*"] {
963 verbose "Timeout is now $timeout seconds" 2
964 gdb_test_no_output "set args main"