1 # This testcase is part of GDB, the GNU debugger.
3 # Copyright 1997-2022 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/>.
19 # test running programs
22 standard_testfile break.c break1.c
24 if {[prepare_for_testing "failed to prepare" ${testfile} \
25 [list $srcfile $srcfile2] {debug nowarnings}]} {
29 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
30 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
31 set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile2]
32 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
33 set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile2]
34 set bp_location15 [gdb_get_line_number "set breakpoint 15 here" $srcfile2]
35 set bp_location17 [gdb_get_line_number "set breakpoint 17 here" $srcfile2]
37 if ![runto_main] then { fail "enable/disable break tests suppressed" }
39 # Verify that we can set a breakpoint (the location is irrelevant),
40 # then enable it (yes, it's already enabled by default), then hit it.
42 proc break_at { breakpoint where } {
46 set test "break $breakpoint"
48 gdb_test_multiple "$test" "$test" {
49 -re "Breakpoint (\[0-9\]*) at .*$where.*$gdb_prompt $" {
50 set bp $expect_out(1,string)
57 set bp [break_at "marker1" " line $bp_location15"]
59 gdb_test_no_output "enable $bp" "enable break marker1"
61 gdb_test "info break $bp" \
62 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*" \
63 "info break marker1 before hitting breakpoint"
65 # See the comments in condbreak.exp for "run until breakpoint at
66 # marker1" for an explanation of the xfail below.
67 set test "continue to break marker1"
68 gdb_test_multiple "continue" "$test" {
69 -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" {
72 -re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" {
77 gdb_test_no_output "delete $bp" "delete break marker1"
79 # Verify that we can set a breakpoint to be self-disabling after the
80 # first time it triggers.
81 set bp [break_at "marker2" " line $bp_location8"]
83 gdb_test_no_output "enable once $bp" "enable once break marker2"
85 gdb_test "info break $bp" \
86 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+y.*" \
87 "info auto-disabled break marker2 before hitting breakpoint"
89 # See the comments in condbreak.exp for "run until breakpoint at
90 # marker1" for an explanation of the xfail below.
91 set test "continue to auto-disabled break marker2"
92 gdb_test_multiple "continue" "$test" {
93 -re "Breakpoint \[0-9\]*, marker2.*$gdb_prompt $" {
96 -re "Breakpoint \[0-9\]*, $hex in marker2.*$gdb_prompt $" {
101 gdb_test "info break $bp" \
102 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+n.*" \
103 "info auto-disabled break marker2 after hitting breakpoint"
105 # Verify that we don't stop at a disabled breakpoint.
106 gdb_continue_to_end "no stop"
109 with_test_prefix "run $count" {
113 gdb_continue_to_end "no stop at auto-disabled break marker2"
115 # Verify that we can set a breakpoint to be self-deleting after the
116 # first time it triggers.
117 if ![runto_main] then {
118 fail "enable/disable break tests suppressed"
121 set bp [break_at "marker3" " line $bp_location17"]
123 gdb_test_no_output "enable del $bp" "enable del break marker3"
125 gdb_test "info break $bp" \
126 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*" \
127 "info auto-deleted break marker2"
129 gdb_test "continue" \
130 ".*marker3 .*:$bp_location17.*" \
131 "continue to auto-deleted break marker3"
133 gdb_test "info break $bp" \
134 ".*No breakpoint or watchpoint matching.*" \
135 "info auto-deleted break marker3"
137 # Verify that we can set a breakpoint and manually disable it (we've
138 # already proven that disabled bp's don't trigger).
140 set bp [break_at "marker4" " line $bp_location14.*"]
142 gdb_test_no_output "disable $bp" "disable break marker4"
144 gdb_test "info break $bp" \
145 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*" \
148 if ![runto_main] then {
149 fail "enable/disable break tests suppressed"
152 # Test enable count by stopping at a location until it is disabled
153 # and passes through.
155 set bp [break_at $bp_location7 "line $bp_location7"]
157 with_test_prefix "enable count" {
158 set bp2 [break_at marker1 " line $bp_location15"]
161 gdb_test "enable count" \
162 "Argument required \\(hit count\\)\\." \
163 "enable count missing arguments"
165 gdb_test "enable count 2" \
166 "Argument required \\(one or more breakpoint numbers\\)\\." \
167 "enable count missing breakpoint number"
169 gdb_test_no_output "enable count 2 $bp" "disable break with count"
171 gdb_test "continue" \
172 ".*factorial .*:$bp_location7.*" \
173 "continue from enable count, first time"
175 gdb_test "continue" \
176 ".*factorial .*:$bp_location7.*" \
177 "continue from enable count, second time"
179 gdb_test "continue" \
180 ".*marker1 .*:$bp_location15.*" \
181 "continue through enable count, now disabled"
183 # Verify that we can set a breakpoint with an ignore count N, which
184 # should cause the next N triggers of the bp to be ignored. (This is
185 # a flavor of enablement/disablement, after all.)
187 if ![runto_main] then {
188 fail "enable/disable break tests suppressed"
191 with_test_prefix "ignore count" {
192 set bp [break_at "marker1" " line $bp_location15.*"]
195 # Verify that an ignore of a non-existent breakpoint is gracefully
198 gdb_test "ignore 999 2" \
199 "No breakpoint number 999..*" \
200 "ignore non-existent break"
202 # Verify that a missing ignore count is gracefully handled.
204 gdb_test "ignore $bp" \
205 "Second argument .specified ignore-count. is missing..*" \
206 "ignore break with missing ignore count"
208 # Verify that a negative or zero ignore count is handled gracefully
209 # (they both are treated the same).
211 gdb_test "ignore $bp -1" \
212 "Will stop next time breakpoint \[0-9\]* is reached..*" \
213 "ignore break marker1 -1"
215 gdb_test "ignore $bp 0" \
216 "Will stop next time breakpoint \[0-9\]* is reached..*" \
217 "ignore break marker1 0"
219 gdb_test "ignore $bp 1" \
220 "Will ignore next crossing of breakpoint \[0-9\]*.*" \
221 "ignore break marker1 1"
223 gdb_test "info break $bp" \
224 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*ignore next 1 hits.*" \
225 "info ignored break marker1"
227 gdb_continue_to_end "no stop at ignored break marker1"
229 with_test_prefix "run $count" {
234 # See the comments in condbreak.exp for "run until breakpoint at marker1"
235 # for an explanation of the xfail below.
236 set test "continue to break marker1, 2nd time"
237 gdb_test_multiple "continue" "$test" {
238 -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" {
239 pass "continue to break marker1, 2nd time"
241 -re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" {
242 xfail "continue to break marker1, 2nd time"
246 # Verify that we can specify both an ignore count and an auto-delete.
248 if ![runto_main] then {
249 fail "enable/disable break tests suppressed"
252 with_test_prefix "ignore count and auto-delete" {
253 set bp [break_at marker1 " line $bp_location15.*"]
256 gdb_test "ignore $bp 1" \
257 "Will ignore next crossing of breakpoint \[0-9\]*.*" \
258 "ignore break marker1"
260 gdb_test_no_output "enable del $bp" "enable del break marker1"
262 gdb_test "info break $bp" \
263 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*ignore next 1 hits.*" \
264 "info break marker1 after hitting breakpoint"
266 gdb_continue_to_end "no stop at ignored & auto-deleted break marker1"
268 with_test_prefix "run $count" {
273 gdb_test "continue" \
274 ".*marker1 .*:$bp_location15.*" \
275 "continue to ignored & auto-deleted break marker1"
277 # Verify that a disabled breakpoint's ignore count isn't updated when
278 # the bp is encountered.
280 if ![runto_main] then {
281 fail "enable/disable break tests suppressed"
284 with_test_prefix "disabled breakpoint ignore count" {
285 set bp [break_at marker1 " line $bp_location15"]
288 gdb_test "ignore $bp 10" \
289 "Will ignore next 10 crossings of breakpoint \[0-9\]*.*" \
290 "ignore break marker1 10"
292 gdb_test_no_output "disable $bp" "disable break marker1"
294 gdb_continue_to_end "no stop at ignored & disabled break marker1"
296 with_test_prefix "run $count" {
300 gdb_test "info break $bp" \
301 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*ignore next 10 hits.*" \
302 "info ignored & disabled break marker1"
304 # Verify that GDB correctly handles the "continue" command with an argument,
305 # which is an ignore count to set on the currently stopped-at breakpoint.
306 # (Also verify that GDB gracefully handles the case where the inferior
307 # isn't stopped at a breakpoint.)
309 if ![runto_main] then { fail "enable/disable break tests suppressed" }
311 gdb_test "break $bp_location1" \
312 "Breakpoint \[0-9\]*.*, line $bp_location1.*" \
313 "prepare to continue with ignore count"
315 gdb_test "continue 2" \
316 "Will ignore next crossing of breakpoint \[0-9\]*. Continuing..*" \
317 "continue with ignore count"
319 gdb_test "next" ".*$bp_location11\[ \t\]*marker1.*" \
320 "step after continue with ignore count"
322 set test "continue with ignore count, not stopped at bpt"
323 gdb_test_multiple "continue 2" "$test" {
324 -re "Not stopped at any breakpoint; argument ignored.*$gdb_prompt $" {
327 -re "No breakpoint number -1.*$gdb_prompt $" {
328 kfail gdb/1689 "$test"
332 # Verify that GDB correctly handles the "enable/disable" command
333 # with arguments, that include multiple locations.
335 if ![runto_main] then { fail "enable/disable break tests suppressed" }
341 set b1 [break_at main ""]
343 with_test_prefix "2nd breakpoint" {
344 set b2 [break_at main ""]
347 with_test_prefix "3rd breakpoint" {
348 set b3 [break_at main ""]
351 with_test_prefix "4th breakpoint" {
352 set b4 [break_at main ""]
355 # Perform tests for disable/enable commands on multiple
356 # locations and breakpoints.
358 # WHAT - the command to test (disable/enable).
360 # Note: tests involving location ranges (and more) are found in
361 # gdb.cp/ena-dis-br-range.exp.
363 proc test_ena_dis_br { what } {
370 # OPPOS - the command opposite to WHAT.
371 # WHAT_RES - whether breakpoints are expected to end
372 # up enabled or disabled.
373 # OPPOS_RES- same as WHAT_RES but opposite.
374 # P1/P2 - proc to call (pass/fail). Must be
376 # Set variable values for disable command.
383 if { "$what" == "enable" } {
384 # Set varibale values for enable command.
392 # Now enable(disable) $b.1 $b2.1.
393 gdb_test_no_output "$what $b1.1 $b2.1" "$what \$b1.1 \$b2.1"
394 set test1 "${what}d \$b1.1 and \$b2.1"
396 # Now $b1.1 and $b2.1 should be enabled(disabled).
397 gdb_test_multiple "info break" "$test1" {
398 -re "(${b1}.1)(\[^\n\r\]*)( n.*)(${b2}.1)(\[^\n\r\]*)( n.*)$gdb_prompt $" {
401 -re ".*$gdb_prompt $" {
406 # Now enable(disable) $b1 fooo.1, it should give error on fooo.
407 gdb_test "$what $b1 fooo.1" \
408 "Bad breakpoint number 'fooo\\.1'" \
411 # $b1 should be enabled(disabled).
412 gdb_test "info break" \
413 "(${b1})(\[^\n\r]*)( $what_res.*)" \
416 gdb_test_no_output "$oppos $b3" "$oppos \$b3"
417 gdb_test_no_output "$what $b4 $b3.1" "$what \$b4 \$b3.1"
418 set test1 "${what}d \$b4 and \$b3.1,remain ${oppos}d \$b3"
420 # Now $b4 $b3.1 should be enabled(disabled) and
421 # $b3 should remain disabled(enabled).
422 gdb_test_multiple "info break" "$test1" {
423 -re "(${b3})(\[^\n\r]*)( $oppos_res.*)(${b3}.1)(\[^\n\r\]*)( n.*)(${b4})(\[^\n\r\]*)( $what_res.*)$gdb_prompt $" {
426 -re "(${b3})(\[^\n\r]*)( $oppos_res.*)(${b4})(\[^\n\r\]*)( $what_res.*)$gdb_prompt $" {
431 # Now enable(disable) '$b4.1 fooobaar'. This should error on
433 gdb_test "$what $b4.1 fooobaar" \
434 "Bad breakpoint number 'fooobaar'" \
435 "$what \$b4.1 fooobar"
436 set test1 "${what}d \$b4.1"
438 # $b4.1 should be enabled(disabled).
439 gdb_test_multiple "info break" "$test1" {
440 -re "(${b4}.1)(\[^\n\r\]*)( n.*)$gdb_prompt $" {
443 -re ".*$gdb_prompt $" {
449 test_ena_dis_br "disable"
450 test_ena_dis_br "enable"