1 # Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
2 # 2000, 2002, 2003, 2007, 2008, 2009 Free Software Foundation, Inc.
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.
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.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # This file was written by Rob Savoye. (rob@cygnus.com)
19 if { [prepare_for_testing break.exp "break" {break.c break1.c} {debug nowarnings}] } {
25 # test simple breakpoint setting commands
28 # Test deleting all breakpoints when there are none installed,
29 # GDB should not prompt for confirmation.
30 # Note that lib/gdb.exp provides a "delete_breakpoints" proc
31 # for general use elsewhere.
33 send_gdb "delete breakpoints\n"
35 -re "Delete all breakpoints.*$" {
39 fail "Delete all breakpoints when none (unexpected prompt)"
41 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
44 -re ".*$gdb_prompt $" { pass "Delete all breakpoints when none" }
45 timeout { fail "Delete all breakpoints when none (timeout)" }
49 # test break at function
51 gdb_test "break main" \
52 "Breakpoint.*at.* file .*$srcfile, line.*" \
56 # test break at quoted function
58 gdb_test "break \"marker2\"" \
59 "Breakpoint.*at.* file .*$srcfile1, line.*" \
60 "breakpoint quoted function"
63 # test break at function in file
65 gdb_test "break $srcfile:factorial" \
66 "Breakpoint.*at.* file .*$srcfile, line.*" \
67 "breakpoint function in file"
69 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
72 # test break at line number
74 # Note that the default source file is the last one whose source text
75 # was printed. For native debugging, before we've executed the
76 # program, this is the file containing main, but for remote debugging,
77 # it's wherever the processor was stopped when we connected to the
78 # board. So, to be sure, we do a list command.
80 gdb_test "list main" \
81 ".*main \\(argc, argv, envp\\).*" \
82 "use `list' to establish default source file"
83 gdb_test "break $bp_location1" \
84 "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
85 "breakpoint line number"
88 # test duplicate breakpoint
90 gdb_test "break $bp_location1" \
91 "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
92 "breakpoint duplicate"
94 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
97 # test break at line number in file
99 gdb_test "break $srcfile:$bp_location2" \
100 "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
101 "breakpoint line number in file"
103 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
104 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
107 # Test putting a break at the start of a multi-line if conditional.
108 # Verify the breakpoint was put at the start of the conditional.
110 gdb_test "break multi_line_if_conditional" \
111 "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
112 "breakpoint at start of multi line if conditional"
114 gdb_test "break multi_line_while_conditional" \
115 "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
116 "breakpoint at start of multi line while conditional"
118 set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
119 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
122 # check to see what breakpoints are set
124 if [target_info exists gdb_stub] {
125 set main_line $bp_location5
127 set main_line $bp_location6
130 if {$hp_aCC_compiler} {
131 set proto "\\(int\\)"
136 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
137 set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
138 set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]
140 gdb_test "info break" \
141 "Num Type\[ \]+Disp Enb Address\[ \]+What.*
142 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.*
143 \[0-9\]+\[\t \]+breakpoint keep y.* in marker2 at .*$srcfile1:($bp_location8|$bp_location9).*
144 \[0-9\]+\[\t \]+breakpoint keep y.* in factorial$proto at .*$srcfile:$bp_location7.*
145 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.*
146 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.*
147 \[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location2.*
148 \[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
149 \[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
152 # FIXME: The rest of this test doesn't work with anything that can't
154 # Huh? There doesn't *appear* to be anything that passes arguments
156 if [istarget "mips-idt-*"] then {
161 # run until the breakpoint at main is hit. For non-stubs-using targets.
165 -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
166 pass "run until function breakpoint"
168 -re "$gdb_prompt $" {
169 fail "run until function breakpoint"
172 fail "run until function breakpoint (timeout)"
177 # run until the breakpoint at a line number
179 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
180 "run until breakpoint set at a line number"
183 # Run until the breakpoint set in a function in a file
185 for {set i 6} {$i >= 1} {incr i -1} {
186 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
187 "run until file:function($i) breakpoint"
191 # Run until the breakpoint set at a quoted function
193 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:($bp_location8|$bp_location9).*" \
194 "run until quoted breakpoint"
196 # run until the file:function breakpoint at a line number in a file
198 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
199 "run until file:linenum breakpoint"
201 # Test break at offset +1
202 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
204 gdb_test "break +1" \
205 "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
206 "breakpoint offset +1"
208 # Check to see if breakpoint is hit when stepped onto
211 ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
212 "step onto breakpoint"
214 # Check to see if breakpoint can be set on ending brace of function
215 set bp_location10a [gdb_get_line_number "set breakpoint 10a here"]
217 gdb_test "break $bp_location10a" \
218 "Breakpoint.*at.* file .*$srcfile, line $bp_location10a\\." \
219 "setting breakpoint at }"
221 gdb_test "continue" \
222 ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10a.*$bp_location10a\[\t \]+}.*breakpoint 10a here.*" \
223 "continue to breakpoint at }"
226 # delete all breakpoints so we can start over, course this can be a test too
231 # test temporary breakpoint at function
234 gdb_test "tbreak main" "Temporary breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
237 # test break at function in file
240 gdb_test "tbreak $srcfile:factorial" "Temporary breakpoint.*at.* file .*$srcfile, line.*" \
241 "Temporary breakpoint function in file"
244 # test break at line number
246 send_gdb "tbreak $bp_location1\n"
248 -re "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location1.*$gdb_prompt $" {
249 pass "Temporary breakpoint line number #1"
251 -re ".*$gdb_prompt $" {
252 fail "Temporary breakpoint line number #1"
255 fail "Temporary breakpoint line number #1 (timeout)"
259 gdb_test "tbreak $bp_location6" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"
262 # test break at line number in file
264 send_gdb "tbreak $srcfile:$bp_location2\n"
266 -re "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location2.*$gdb_prompt $" {
267 pass "Temporary breakpoint line number in file #1"
269 -re ".*$gdb_prompt $" {
270 fail "Temporary breakpoint line number in file #1"
273 fail "Temporary breakpoint line number in file #1 (timeout)"
277 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
278 gdb_test "tbreak $srcfile:$bp_location11" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
281 # check to see what breakpoints are set (temporary this time)
283 gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
284 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
285 \[0-9\]+\[\t \]+breakpoint del.*y.*in factorial$proto at .*$srcfile:$bp_location7.*\[\r\n\]
286 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
287 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
288 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
289 \[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location11.*" \
290 "Temporary breakpoint info"
295 # Verify that catchpoints for fork, vfork and exec don't trigger
296 # inappropriately. (There are no calls to those system functions
297 # in this test program.)
299 if ![runto_main] then { fail "break tests suppressed" }
303 -re "Catch requires an event name.*$gdb_prompt $"\
304 {pass "catch requires an event name"}
306 {fail "catch requires an event name"}
307 timeout {fail "(timeout) catch requires an event name"}
311 set name "set catch fork, never expected to trigger"
312 send_gdb "catch fork\n"
314 -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
316 -re "Catch of fork not yet implemented.*$gdb_prompt $"
320 timeout {fail "(timeout) $name"}
324 set name "set catch vfork, never expected to trigger"
325 send_gdb "catch vfork\n"
327 # If we are on HP-UX 10.20, we expect an error message to be
328 # printed if we type "catch vfork" at the gdb gdb_prompt. This is
329 # because on HP-UX 10.20, we cannot catch vfork events.
331 if [istarget "hppa*-hp-hpux10.20"] then {
333 -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
337 timeout {fail "(timeout) $name"}
341 -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
343 -re "Catch of vfork not yet implemented.*$gdb_prompt $"
347 timeout {fail "(timeout) $name"}
351 set name "set catch exec, never expected to trigger"
352 send_gdb "catch exec\n"
354 -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
356 -re "Catch of exec not yet implemented.*$gdb_prompt $"
358 -re "$gdb_prompt $" {fail $name}
359 timeout {fail "(timeout) $name"}
362 # Verify that GDB responds gracefully when asked to set a breakpoint
363 # on a nonexistent source line.
365 send_gdb "break 999\n"
367 -re "No line 999 in file .*$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 # Run to the desired default location. If not positioned here, the
375 # tests below don't work.
377 gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1"
380 # Verify that GDB allows one to just say "break", which is treated
381 # as the "default" breakpoint. Note that GDB gets cute when printing
382 # the informational message about other breakpoints at the same
383 # location. We'll hit that bird with this stone too.
387 -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
388 {pass "break on default location, 1st time"}
390 {fail "break on default location, 1st time"}
391 timeout {fail "(timeout) break on default location, 1st time"}
396 -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
397 {pass "break on default location, 2nd time"}
399 {fail "break on default location, 2nd time"}
400 timeout {fail "(timeout) break on default location, 2nd time"}
405 -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
406 {pass "break on default location, 3rd time"}
408 {fail "break on default location, 3rd time"}
409 timeout {fail "(timeout) break on default location, 3rd time"}
414 -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
415 {pass "break on default location, 4th time"}
417 {fail "break on default location, 4th time"}
418 timeout {fail "(timeout) break on default location, 4th time"}
421 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
422 # "silent" about its triggering.
424 if ![runto_main] then { fail "break tests suppressed" }
426 send_gdb "break $bp_location1\n"
428 -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $"\
429 {pass "set to-be-silent break bp_location1"}
431 {fail "set to-be-silent break bp_location1"}
432 timeout {fail "(timeout) set to-be-silent break bp_location1"}
435 send_gdb "commands $expect_out(1,string)\n"
439 -re ".*$gdb_prompt $"\
440 {pass "set silent break bp_location1"}
441 timeout {fail "(timeout) set silent break bp_location1"}
444 send_gdb "info break $expect_out(1,string)\n"
446 -re "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*$gdb_prompt $"\
447 {pass "info silent break bp_location1"}
449 {fail "info silent break bp_location1"}
450 timeout {fail "(timeout) info silent break bp_location1"}
452 send_gdb "continue\n"
454 -re "Continuing.\r\n$gdb_prompt $"\
455 {pass "hit silent break bp_location1"}
457 {fail "hit silent break bp_location1"}
458 timeout {fail "(timeout) hit silent break bp_location1"}
462 -re "#0 main .* at .*:$bp_location1.*$gdb_prompt $"\
463 {pass "stopped for silent break bp_location1"}
465 {fail "stopped for silent break bp_location1"}
466 timeout {fail "(timeout) stopped for silent break bp_location1"}
469 # Verify that GDB can at least parse a breakpoint with the
470 # "thread" keyword. (We won't attempt to test here that a
471 # thread-specific breakpoint really triggers appropriately.
472 # The gdb.threads subdirectory contains tests for that.)
474 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
475 send_gdb "break $bp_location12 thread 999\n"
477 -re "Unknown thread 999.*$gdb_prompt $"\
478 {pass "thread-specific breakpoint on non-existent thread disallowed"}
480 {fail "thread-specific breakpoint on non-existent thread disallowed"}
481 timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
483 send_gdb "break $bp_location12 thread foo\n"
485 -re "Junk after thread keyword..*$gdb_prompt $"\
486 {pass "thread-specific breakpoint on bogus thread ID disallowed"}
488 {fail "thread-specific breakpoint on bogus thread ID disallowed"}
489 timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
492 # Verify that GDB responds gracefully to a breakpoint command with
495 send_gdb "break $bp_location12 foo\n"
497 -re "Junk at end of arguments..*$gdb_prompt $"\
498 {pass "breakpoint with trailing garbage disallowed"}
500 {fail "breakpoint with trailing garbage disallowed"}
501 timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}
504 # Verify that GDB responds gracefully to a "clear" command that has
505 # no matching breakpoint. (First, get us off the current source line,
506 # which we know has a breakpoint.)
510 -re ".*$gdb_prompt $"\
511 {pass "step over breakpoint"}
512 timeout {fail "(timeout) step over breakpoint"}
514 send_gdb "clear 81\n"
516 -re "No breakpoint at 81..*$gdb_prompt $"\
517 {pass "clear line has no breakpoint disallowed"}
519 {fail "clear line has no breakpoint disallowed"}
520 timeout {fail "(timeout) clear line has no breakpoint disallowed"}
524 -re "No breakpoint at this line..*$gdb_prompt $"\
525 {pass "clear current line has no breakpoint disallowed"}
527 {fail "clear current line has no breakpoint disallowed"}
528 timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
531 # Verify that we can set and clear multiple breakpoints.
533 # We don't test that it deletes the correct breakpoints. We do at
534 # least test that it deletes more than one breakpoint.
536 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
537 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
538 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
540 # Verify that a breakpoint can be set via a convenience variable.
542 send_gdb "set \$foo=$bp_location11\n"
545 {pass "set convenience variable \$foo to bp_location11"}
546 timeout {fail "(timeout) set convenience variable \$foo to bp_location11"}
548 send_gdb "break \$foo\n"
550 -re "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*$gdb_prompt $"\
551 {pass "set breakpoint via convenience variable"}
553 {fail "set breakpoint via convenience variable"}
554 timeout {fail "(timeout) set breakpoint via convenience variable"}
557 # Verify that GDB responds gracefully to an attempt to set a
558 # breakpoint via a convenience variable whose type is not integer.
560 send_gdb "set \$foo=81.5\n"
563 {pass "set convenience variable \$foo to 81.5"}
564 timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
566 send_gdb "break \$foo\n"
568 -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\
569 {pass "set breakpoint via non-integer convenience variable disallowed"}
571 {fail "set breakpoint via non-integer convenience variable disallowed"}
572 timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}
575 # Verify that we can set and trigger a breakpoint in a user-called function.
577 send_gdb "break marker2\n"
579 -re "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*$gdb_prompt $"\
580 {pass "set breakpoint on to-be-called function"}
582 {fail "set breakpoint on to-be-called function"}
583 timeout {fail "(timeout) set breakpoint on to-be-called function"}
585 send_gdb "print marker2(99)\n"
587 -re "The program being debugged stopped while in a function called from GDB.\r\nEvaluation of the expression containing the function\r\n.marker2$proto. will be abandoned.\r\nWhen the function is done executing, GDB will silently stop..*$gdb_prompt $"\
588 {pass "hit breakpoint on called function"}
590 {fail "hit breakpoint on called function"}
591 timeout {fail "(timeout) hit breakpoint on called function"}
594 # As long as we're stopped (breakpointed) in a called function,
595 # verify that we can successfully backtrace & such from here.
597 # In this and the following test, the _sr4export check apparently is needed
602 -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $"\
603 {pass "backtrace while in called function"}
604 -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $"\
605 {pass "backtrace while in called function"}
607 {fail "backtrace while in called function"}
608 timeout {fail "(timeout) backtrace while in called function"}
611 # Return from the called function. For remote targets, it's important to do
612 # this before runto_main, which otherwise may silently stop on the dummy
613 # breakpoint inserted by GDB at the program's entry point.
617 -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $"\
618 {pass "finish from called function"}
619 -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $"\
620 {pass "finish from called function"}
621 -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $"\
622 {pass "finish from called function"}
624 {fail "finish from called function"}
625 timeout {fail "(timeout) finish from called function"}
628 # Verify that GDB responds gracefully to a "finish" command with
631 if ![runto_main] then { fail "break tests suppressed" }
633 send_gdb "finish 123\n"
635 -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
636 {pass "finish with arguments disallowed"}
638 {fail "finish with arguments disallowed"}
639 timeout {fail "(timeout) finish with arguments disallowed"}
642 # Verify that GDB responds gracefully to a request to "finish" from
643 # the outermost frame. On a stub that never exits, this will just
644 # run to the stubs routine, so we don't get this error... Thus the
650 -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
651 {pass "finish from outermost frame disallowed"}
652 -re "Run till exit from.*\r\n$gdb_prompt $" {
653 pass "finish from outermost frame disallowed"
656 {fail "finish from outermost frame disallowed"}
657 timeout {fail "(timeout) finish from outermost frame disallowed"}
660 # Verify that we can explicitly ask GDB to stop on all shared library
661 # events, and that it does so.
663 if [istarget "hppa*-*-hpux*"] then {
664 if ![runto_main] then { fail "break tests suppressed" }
666 send_gdb "set stop-on-solib-events 1\n"
669 {pass "set stop-on-solib-events"}
670 timeout {fail "(timeout) set stop-on-solib-events"}
675 -re ".*Start it from the beginning.*y or n. $"\
678 -re ".*Stopped due to shared library event.*$gdb_prompt $"\
679 {pass "triggered stop-on-solib-events"}
681 {fail "triggered stop-on-solib-events"}
682 timeout {fail "(timeout) triggered stop-on-solib-events"}
686 {fail "rerun for stop-on-solib-events"}
687 timeout {fail "(timeout) rerun for stop-on-solib-events"}
690 send_gdb "set stop-on-solib-events 0\n"
693 {pass "reset stop-on-solib-events"}
694 timeout {fail "(timeout) reset stop-on-solib-events"}
698 # Hardware breakpoints are unsupported on HP-UX. Verify that GDB
699 # gracefully responds to requests to create them.
701 if [istarget "hppa*-*-hpux*"] then {
702 if ![runto_main] then { fail "break tests suppressed" }
706 -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
707 {pass "hw breaks disallowed"}
709 {fail "hw breaks disallowed"}
710 timeout {fail "(timeout) hw breaks disallowed"}
715 -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
716 {pass "temporary hw breaks disallowed"}
718 {fail "temporary hw breaks disallowed"}
719 timeout {fail "(timeout) temporary hw breaks disallowed"}
727 # Test "next" over recursive function call.
730 proc test_next_with_recursion {} {
735 gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
738 gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
740 # Run until we call factorial with 6
744 -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
745 -re ".*$gdb_prompt $" {
746 fail "run to factorial(6)";
749 timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
752 # Continue until we call factorial recursively with 5.
754 if [gdb_test "continue" \
755 "Continuing.*Break.* factorial .value=5. .*" \
756 "continue to factorial(5)"] then { gdb_suppress_tests }
758 # Do a backtrace just to confirm how many levels deep we are.
760 if [gdb_test "backtrace" \
761 "#0\[ \t\]+ factorial .value=5..*" \
762 "backtrace from factorial(5)"] then { gdb_suppress_tests }
764 # Now a "next" should position us at the recursive call, which
765 # we will be performing with 4.
767 if [gdb_test "next" \
768 ".* factorial .value - 1.;.*" \
769 "next to recursive call"] then { gdb_suppress_tests }
771 # Disable the breakpoint at the entry to factorial by deleting them all.
772 # The "next" should run until we return to the next line from this
773 # recursive call to factorial with 4.
774 # Buggy versions of gdb will stop instead at the innermost frame on
775 # the line where we are trying to "next" to.
779 if [istarget "mips*tx39-*"] {
782 # We used to set timeout here for all other targets as well. This
783 # is almost certainly wrong. The proper timeout depends on the
784 # target system in use, and how we communicate with it, so there
785 # is no single value appropriate for all targets. The timeout
786 # should be established by the Dejagnu config file(s) for the
787 # board, and respected by the test suite.
789 # For example, if I'm running GDB over an SSH tunnel talking to a
790 # portmaster in California talking to an ancient 68k board running
791 # a crummy ROM monitor (a situation I can only wish were
792 # hypothetical), then I need a large timeout. But that's not the
793 # kind of knowledge that belongs in this file.
795 gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
796 "next over recursive call"
798 # OK, we should be back in the same stack frame we started from.
799 # Do a backtrace just to confirm.
801 set result [gdb_test "backtrace" \
802 "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
803 "backtrace from factorial(5.1)"]
804 if { $result != 0 } { gdb_suppress_tests }
806 if [target_info exists gdb,noresults] { gdb_suppress_tests }
807 gdb_continue_to_end "recursive next test"
808 gdb_stop_suppressing_tests;
811 test_next_with_recursion
816 # build a new file with optimization enabled so that we can try breakpoints
817 # on targets with optimized prologues
819 if { [prepare_for_testing break.exp "breako2" {break.c break1.c} {debug nowarnings optimize=-O2}] } {
824 # test break at function
826 gdb_test "break main" \
827 "Breakpoint.*at.* file .*, line.*" \
828 "breakpoint function, optimized file"
831 # test break at function
833 gdb_test "break marker4" \
834 "Breakpoint.*at.* file .*$srcfile1, line.*" \
835 "breakpoint small function, optimized file"
838 # run until the breakpoint at main is hit. For non-stubs-using targets.
842 -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
843 pass "run until function breakpoint, optimized file"
845 -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
846 pass "run until function breakpoint, optimized file (code motion)"
848 -re "$gdb_prompt $" {
849 fail "run until function breakpoint, optimized file"
852 fail "run until function breakpoint, optimized file (timeout)"
857 # run until the breakpoint at a small function
861 # Add a second pass pattern. The behavior differs here between stabs
862 # and dwarf for one-line functions. Stabs preserves two line symbols
863 # (one before the prologue and one after) with the same line number,
864 # but dwarf regards these as duplicates and discards one of them.
865 # Therefore the address after the prologue (where the breakpoint is)
866 # has no exactly matching line symbol, and GDB reports the breakpoint
867 # as if it were in the middle of a line rather than at the beginning.
869 set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1]
870 set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
871 send_gdb "continue\n"
873 -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
874 pass "run until breakpoint set at small function, optimized file"
876 -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
877 pass "run until breakpoint set at small function, optimized file"
879 -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
880 # marker4() is defined at line 46 when compiled with -DPROTOTYPES
881 pass "run until breakpoint set at small function, optimized file (line bp_location14)"
883 -re ".*$gdb_prompt " {
884 fail "run until breakpoint set at small function, optimized file"
887 fail "run until breakpoint set at small function, optimized file (timeout)"
891 clean_restart breako2
894 # test that 'rbreak' on a symbol that may be from a shared library doesn't
895 # cause a "Junk at end of arguments." error.
897 # On x86 GNU/Linux, this test will choke on e.g. __libc_start_main@plt.
899 # Note that this test won't necessarily choke on all targets even if
900 # all the rbreak issue is present. rbreak needs to match and set a
901 # breakpoint on a symbol causes 'break' to choke.
904 gdb_test "set breakpoint pending on" "" "rbreak junk pending setup"
906 # We expect at least one breakpoint to be set when we "rbreak main".
907 gdb_test "rbreak main" \
908 ".*Breakpoint.*at.* file .*$srcfile, line.*" \
909 "rbreak junk set breakpoint"
911 # Run to a breakpoint. Fail if we see "Junk at end of arguments".
914 -re "Junk at end of arguments" {
917 -re ".*Breakpoint \[0-9\]+,.*$gdb_prompt $" {
921 fail "rbreak junk (timeout)"
926 # Reset the default arguments for VxWorks
927 if [istarget "*-*-vxworks*"] {
929 verbose "Timeout is now $timeout seconds" 2
930 send_gdb "set args main\n"
931 gdb_expect -re ".*$gdb_prompt $" {}