1 # Copyright 2005, 2007, 2008 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 if { [is_remote target] || ![isnative] } then {
24 # Until "set follow-fork-mode" and "catch fork" are implemented on
27 if {![istarget "*-*-linux*"]} then {
34 set testfile "checkpoint"
35 set srcfile ${testfile}.c
36 set binfile ${objdir}/${subdir}/${testfile}
38 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
39 untested checkpoint.exp
43 # Start with a fresh gdb
47 gdb_reinitialize_dir $srcdir/$subdir
53 # This tests gdb checkpoint and restart.
56 remote_download host ${srcdir}/${subdir}/pi.txt pi.txt
59 set break1_loc [gdb_get_line_number "breakpoint 1"]
60 set break2_loc [gdb_get_line_number "breakpoint 2"]
61 set break3_loc [gdb_get_line_number "breakpoint 3"]
62 set break4_loc [gdb_get_line_number "breakpoint 4"]
64 gdb_breakpoint $break1_loc
65 gdb_test "continue" "breakpoint 1.*" "break1 start"
67 gdb_test "checkpoint" "" ""
68 gdb_test "continue 10" "breakpoint 1.*" "break1 two"
70 gdb_test "checkpoint" "" ""
71 gdb_test "continue 10" "breakpoint 1.*" "break1 three"
73 gdb_test "checkpoint" "" ""
74 gdb_test "continue 10" "breakpoint 1.*" "break1 four"
76 gdb_test "checkpoint" "" ""
77 gdb_test "continue 10" "breakpoint 1.*" "break1 five"
79 gdb_test "checkpoint" "" ""
80 gdb_test "continue 10" "breakpoint 1.*" "break1 six"
82 gdb_test "checkpoint" "" ""
83 gdb_test "continue 10" "breakpoint 1.*" "break1 seven"
85 gdb_test "checkpoint" "" ""
86 gdb_test "continue 10" "breakpoint 1.*" "break1 eight"
88 gdb_test "checkpoint" "" ""
89 gdb_test "continue 10" "breakpoint 1.*" "break1 nine"
91 gdb_test "checkpoint" "" ""
92 gdb_test "continue 10" "breakpoint 1.*" "break1 ten"
94 gdb_test "checkpoint" "" ""
96 gdb_test "info checkpoints" \
97 " 10 .* 9 .* 8 .* 7 .* 6 .* 5 .* 4 .* 3 .* 2 .* 1 .*" \
98 "info checkpoints one"
101 gdb_breakpoint $break2_loc
102 gdb_test "continue" "breakpoint 2.*" "break2 one"
104 gdb_test "restart 1" "Switching to .*breakpoint 1.*" "restart 1 one"
105 gdb_test "print i" " = 78" "verify i 1 one"
106 gdb_test "step" "if .c == EOF.*" "step in 1 one"
107 gdb_test "print lines" " = 1.*" "verify lines 1 one"
109 gdb_test "restart 2" "Switching to .*breakpoint 1.*" "restart 2 one"
110 gdb_test "step" "if .c == EOF.*" "step in 2 one"
111 gdb_test "print i + 1 == lines * 79" " = 1" "verify i 2 one"
112 gdb_test "print lines" " = 11.*" "verify lines 2 one"
114 gdb_test "restart 3" "Switching to .*breakpoint 1.*" "restart 3 one"
115 gdb_test "step" "if .c == EOF.*" "step in 3 one"
116 gdb_test "print i + 1 == lines * 79" " = 1" "verify i 3 one"
117 gdb_test "print lines" " = 21.*" "verify lines 3 one"
119 gdb_test "restart 4" "Switching to .*breakpoint 1.*" "restart 4 one"
120 gdb_test "step" "if .c == EOF.*" "step in 4 one"
121 gdb_test "print i + 1 == lines * 79" " = 1" "verify i 4 one"
122 gdb_test "print lines" " = 31.*" "verify lines 4 one"
124 gdb_test "restart 5" "Switching to .*breakpoint 1.*" "restart 5 one"
125 gdb_test "step" "if .c == EOF.*" "step in 5 one"
126 gdb_test "print i + 1 == lines * 79" " = 1" "verify i 5 one"
127 gdb_test "print lines" " = 41.*" "verify lines 5 one"
129 gdb_test "restart 6" "Switching to .*breakpoint 1.*" "restart 6 one"
130 gdb_test "step" "if .c == EOF.*" "step in 6 one"
131 gdb_test "print i + 1 == lines * 79" " = 1" "verify i 6 one"
132 gdb_test "print lines" " = 51.*" "verify lines 6 one"
134 gdb_test "restart 7" "Switching to .*breakpoint 1.*" "restart 7 one"
135 gdb_test "step" "if .c == EOF.*" "step in 7 one"
136 gdb_test "print i + 1 == lines * 79" " = 1" "verify i 7 one"
137 gdb_test "print lines" " = 61.*" "verify lines 7 one"
139 gdb_test "restart 8" "Switching to .*breakpoint 1.*" "restart 8 one"
140 gdb_test "step" "if .c == EOF.*" "step in 8 one"
141 gdb_test "print i + 1 == lines * 79" " = 1" "verify i 8 one"
142 gdb_test "print lines" " = 71.*" "verify lines 8 one"
144 gdb_test "restart 9" "Switching to .*breakpoint 1.*" "restart 9 one"
145 gdb_test "step" "if .c == EOF.*" "step in 9 one"
146 gdb_test "print i + 1 == lines * 79" " = 1" "verify i 9 one"
147 gdb_test "print lines" " = 81.*" "verify lines 9 one"
149 gdb_test "restart 10" "Switching to .*breakpoint 1.*" "restart 10 one"
150 gdb_test "step" "if .c == EOF.*" "step in 10 one"
151 gdb_test "print i + 1 == lines * 79" " = 1" "verify i 10 one"
152 gdb_test "print lines" " = 91.*" "verify lines 10 one"
155 # Now let the files be closed by the original process,
158 gdb_test "restart 0" "Switching to .*breakpoint 2.*" "restart 0 one"
159 gdb_breakpoint $break3_loc
160 gdb_test "continue" "breakpoint 3.*" "break3 one"
162 gdb_test "shell diff -s pi.txt copy1.txt" \
163 "Files pi.txt and copy1.txt are identical.*" \
164 "Diff input and output one"
167 # And now run from various checkpoints, allowing
168 # various amounts of input and output.
171 gdb_breakpoint $break1_loc
173 gdb_test "restart 1" "Switching to .*c == EOF.*" "restart 1 two"
174 gdb_test "continue" "" ""
175 gdb_test "continue 100" "breakpoint 1.*" "breakpoint 1 1 one"
176 gdb_test "step" "if .c == EOF.*" "step in 1 two"
177 gdb_test "print lines" " = 102.*" "verify lines 1 two"
179 gdb_test "restart 2" "Switching to .*c == EOF.*" "restart 2 two"
180 gdb_test "continue" "" ""
181 gdb_test "continue 100" "breakpoint 1.*" "breakpoint 1 2 one"
182 gdb_test "step" "if .c == EOF.*" "step in 2 two"
183 gdb_test "print lines" " = 112.*" "verify lines 2 two"
185 gdb_test "restart 3" "Switching to .*c == EOF.*" "restart 3 two"
186 gdb_test "continue" "" ""
187 gdb_test "continue 500" "breakpoint 1.*" "breakpoint 1 3 one"
188 gdb_test "step" "if .c == EOF.*" "step in 3 two"
189 gdb_test "print lines" " = 522.*" "verify lines 3 two"
191 gdb_test "restart 4" "Switching to .*c == EOF.*" "restart 4 two"
192 gdb_test "continue" "" ""
193 gdb_test "continue 500" "breakpoint 1.*" "breakpoint 1 4 one"
194 gdb_test "step" "if .c == EOF.*" "step in 4 two"
195 gdb_test "print lines" " = 532.*" "verify lines 4 two"
197 gdb_test "restart 5" "Switching to .*c == EOF.*" "restart 5 two"
198 gdb_test "continue" "" ""
199 gdb_test "continue 1000" "breakpoint 1.*" "breakpoint 1 5 one"
200 gdb_test "step" "if .c == EOF.*" "step in 5 two"
201 gdb_test "print lines" " = 1042.*" "verify lines 5 two"
203 gdb_test "restart 6" "Switching to .*c == EOF.*" "restart 6 two"
204 gdb_test "continue" "" ""
205 gdb_test "continue 1000" "breakpoint 1.*" "breakpoint 1 6 one"
206 gdb_test "step" "if .c == EOF.*" "step in 6 two"
207 gdb_test "print lines" " = 1052.*" "verify lines 5 two"
209 gdb_test "restart 7" "Switching to .*c == EOF.*" "restart 7 two"
210 gdb_test "continue" "" ""
211 gdb_test "continue 1100" "breakpoint 1.*" "breakpoint 1 7 one"
212 gdb_test "step" "if .c == EOF.*" "step in 7 two"
213 gdb_test "print lines" " = 1162.*" "verify lines 7 two"
215 gdb_test "shell diff -s pi.txt copy1.txt" \
216 "Files pi.txt and copy1.txt are identical.*" \
217 "Diff input and output two"
220 # OK, now allow the original program to delete the output file,
221 # and verify that the checkpoints can still write to it.
224 gdb_test "restart 0" "Switching to .*breakpoint 3.*" "restart 0 one"
225 gdb_breakpoint $break4_loc
226 gdb_test "continue" "breakpoint 4.*" "break4 one"
228 gdb_test "shell diff pi.txt copy1.txt" \
229 "diff: copy1.txt: No such file or directory" \
233 gdb_breakpoint $break2_loc
235 gdb_test "restart 1" "if .c == EOF.*" "restart 1 three"
236 gdb_test "continue" "breakpoint 2.*" "break2 1 one"
237 gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 1"
239 gdb_test "restart 2" "if .c == EOF.*" "restart 1 three"
240 gdb_test "continue" "breakpoint 2.*" "break2 2 one"
241 gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 2"
243 gdb_test "restart 3" "if .c == EOF.*" "restart 1 three"
244 gdb_test "continue" "breakpoint 2.*" "break2 3 one"
245 gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 3"
247 gdb_test "restart 4" "if .c == EOF.*" "restart 1 three"
248 gdb_test "continue" "breakpoint 2.*" "break2 4 one"
249 gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 4"
251 gdb_test "restart 5" "if .c == EOF.*" "restart 1 three"
252 gdb_test "continue" "breakpoint 2.*" "break2 5 one"
253 gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 5"
255 gdb_test "restart 6" "if .c == EOF.*" "restart 1 three"
256 gdb_test "continue" "breakpoint 2.*" "break2 6 one"
257 gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 6"
259 gdb_test "restart 7" "if .c == EOF.*" "restart 1 three"
260 gdb_test "continue" "breakpoint 2.*" "break2 7 one"
261 gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 7"
263 gdb_test "restart 8" "if .c == EOF.*" "restart 1 three"
264 gdb_test "continue" "breakpoint 2.*" "break2 8 one"
265 gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 8"
267 gdb_test "restart 9" "if .c == EOF.*" "restart 1 three"
268 gdb_test "continue" "breakpoint 2.*" "break2 9 one"
269 gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 9"
271 gdb_test "restart 10" "if .c == EOF.*" "restart 1 three"
272 gdb_test "continue" "breakpoint 2.*" "break2 10 one"
273 gdb_test "print ftell (out) > 100000" " = 1.*" "outfile still open 10"
276 # Now confirm that if one fork exits, we automatically switch to another one.
280 gdb_test "continue" \
281 "Deleting copy.*Program exited normally.*Switching to.*" \
282 "Exit, dropped into next fork one"
284 gdb_test "continue" \
285 "Deleting copy.*Program exited normally.*Switching to.*" \
286 "Exit, dropped into next fork two"
288 gdb_test "continue" \
289 "Deleting copy.*Program exited normally.*Switching to.*" \
290 "Exit, dropped into next fork three"
292 gdb_test "continue" \
293 "Deleting copy.*Program exited normally.*Switching to.*" \
294 "Exit, dropped into next fork four"
296 gdb_test "continue" \
297 "Deleting copy.*Program exited normally.*Switching to.*" \
298 "Exit, dropped into next fork five"
301 # There should be still at least five forks left
304 gdb_test "info checkpoints" " 5 .* 4 .* 3 .* 2 .* 1 .*" \
305 "info checkpoints two"
308 # Kill should now terminate all of them.
311 gdb_test "kill" "" "kill all one" \
312 "Kill the program being debugged.*y or n. $" "y"
315 # and confirm that all are gone
318 gdb_test "restart 0" "Not found.*" "no more checkpoint 0"
319 gdb_test "restart 1" "Not found.*" "no more checkpoint 1"
320 gdb_test "restart 2" "Not found.*" "no more checkpoint 2"
321 gdb_test "restart 3" "Not found.*" "no more checkpoint 3"
322 gdb_test "restart 4" "Not found.*" "no more checkpoint 4"
323 gdb_test "restart 5" "Not found.*" "no more checkpoint 5"
324 gdb_test "restart 6" "Not found.*" "no more checkpoint 6"
325 gdb_test "restart 7" "Not found.*" "no more checkpoint 7"
326 gdb_test "restart 8" "Not found.*" "no more checkpoint 8"
327 gdb_test "restart 9" "Not found.*" "no more checkpoint 9"
328 gdb_test "restart 10" "Not found.*" "no more checkpoint 10"
331 # Now let's try setting a large number of checkpoints (>1000)
336 gdb_reinitialize_dir $srcdir/$subdir
340 gdb_breakpoint $break1_loc
342 send_gdb "commands\n"
344 send_gdb " if (lines % 2)\n"
345 send_gdb " checkpoint\n"
347 send_gdb " continue\n"
351 -re ".*$gdb_prompt $" { pass "set checkpoint breakpoint" }
352 timeout { fail "(timeout) set checkpoint breakpoint" }
355 gdb_breakpoint $break2_loc
356 gdb_test "continue" "breakpoint 2.*" "break2 with many checkpoints"
359 set msg "info checkpoints with at least 600 checkpoints"
360 gdb_test_multiple "info checkpoints" $msg {
361 -re " $decimal process \[^\r\]*\r\n" {
365 -re "$gdb_prompt $" {
366 if { $count >= 600 } {
375 # OK, kill 'em all...
378 gdb_test "kill" "" "kill all one" \
379 "Kill the program being debugged.*y or n. $" "y"
385 remote_exec build "rm -f pi.txt"