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1dadb1dd PA |
1 | # Copyright 2017-2020 Free Software Foundation, Inc. |
2 | ||
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. | |
7 | # | |
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. | |
12 | # | |
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/>. | |
15 | ||
16 | # Test multi-target features. | |
17 | ||
18 | load_lib gdbserver-support.exp | |
19 | ||
20 | standard_testfile | |
21 | ||
22 | # The plain remote target can't do multiple inferiors. | |
23 | if {[target_info gdb_protocol] != ""} { | |
24 | return | |
25 | } | |
26 | ||
27 | if { [prepare_for_testing "failed to prepare" ${binfile} "${srcfile}" \ | |
28 | {debug pthreads}] } { | |
29 | return | |
30 | } | |
31 | ||
32 | proc connect_target_extended_remote {binfile} { | |
33 | set res [gdbserver_start "--multi" ""] | |
34 | set gdbserver_gdbport [lindex $res 1] | |
35 | return [gdb_target_cmd "extended-remote" $gdbserver_gdbport] | |
36 | } | |
37 | ||
38 | # Add and start inferior number NUM. Returns true on success, false | |
39 | # otherwise. | |
40 | proc add_inferior {num target binfile {gcorefile ""}} { | |
41 | # Start another inferior. | |
42 | gdb_test "add-inferior -no-connection" "Added inferior $num" \ | |
43 | "add empty inferior $num" | |
44 | gdb_test "inferior $num" "Switching to inferior $num.*" \ | |
45 | "switch to inferior $num" | |
46 | gdb_test "file ${binfile}" ".*" "load file in inferior $num" | |
47 | gdb_test_no_output "set remote exec-file ${binfile}" \ | |
48 | "set remote-exec file in inferior $num" | |
49 | ||
50 | if {$target == "core"} { | |
51 | gdb_test "core $gcorefile" "Core was generated by.*" \ | |
52 | "core [file tail $gcorefile], inf $num" | |
53 | return 1 | |
54 | } | |
55 | ||
56 | if {$target == "extended-remote"} { | |
57 | if {[connect_target_extended_remote $binfile]} { | |
58 | return 0 | |
59 | } | |
60 | } | |
61 | if ![runto "all_started"] then { | |
62 | return 0 | |
63 | } | |
64 | delete_breakpoints | |
65 | ||
66 | return 1 | |
67 | } | |
68 | ||
69 | proc prepare_core {} { | |
70 | global gcorefile gcore_created | |
71 | global binfile | |
72 | ||
73 | clean_restart ${binfile} | |
74 | ||
75 | if ![runto all_started] then { | |
76 | return -1 | |
77 | } | |
78 | ||
79 | global testfile | |
80 | set gcorefile [standard_output_file $testfile.gcore] | |
81 | set gcore_created [gdb_gcore_cmd $gcorefile "save a core file"] | |
82 | } | |
83 | ||
84 | proc next_live_inferior {inf} { | |
85 | incr inf | |
86 | if {$inf == 3} { | |
87 | # 3 is a core. | |
88 | return 4 | |
89 | } | |
90 | if {$inf > 5} { | |
91 | # 6 is a core. | |
92 | return 1 | |
93 | } | |
94 | ||
95 | return $inf | |
96 | } | |
97 | ||
98 | # Return true on success, false otherwise. | |
99 | ||
100 | proc setup {non-stop} { | |
101 | global gcorefile gcore_created | |
102 | global binfile | |
103 | ||
104 | clean_restart ${binfile} | |
105 | ||
106 | # multi-target depends on target running in non-stop mode. Force | |
107 | # it on for remote targets, until this is the default. | |
108 | gdb_test_no_output "maint set target-non-stop on" | |
109 | ||
110 | gdb_test_no_output "set non-stop ${non-stop}" | |
111 | ||
112 | if ![runto all_started] then { | |
113 | return 0 | |
114 | } | |
115 | ||
116 | delete_breakpoints | |
117 | ||
118 | # inferior 1 -> native | |
119 | # inferior 2 -> extended-remote | |
120 | # inferior 3 -> core | |
121 | # inferior 4 -> native | |
122 | # inferior 5 -> extended-remote | |
123 | # inferior 6 -> core | |
124 | if {![add_inferior 2 "extended-remote" $binfile]} { | |
125 | return 0 | |
126 | } | |
127 | if {![add_inferior 3 "core" $binfile $gcorefile]} { | |
128 | return 0 | |
129 | } | |
130 | if {![add_inferior 4 "native" $binfile]} { | |
131 | return 0 | |
132 | } | |
133 | if {![add_inferior 5 "extended-remote" $binfile]} { | |
134 | return 0 | |
135 | } | |
136 | if {![add_inferior 6 "core" $binfile $gcorefile]} { | |
137 | return 0 | |
138 | } | |
139 | ||
140 | # For debugging. | |
1dadb1dd PA |
141 | gdb_test "info threads" ".*" |
142 | ||
143 | # Make "continue" resume all inferiors. | |
144 | if {${non-stop} == "off"} { | |
145 | gdb_test_no_output "set schedule-multiple on" | |
146 | } | |
147 | ||
148 | return 1 | |
149 | } | |
150 | ||
151 | # Test "continue" to breakpoints in different targets. In non-stop | |
152 | # mode, also tests "interrupt -a". | |
153 | proc test_continue {non-stop} { | |
154 | if {![setup ${non-stop}]} { | |
155 | untested "setup failed" | |
156 | return | |
157 | } | |
158 | ||
159 | proc set_break {inf} { | |
160 | gdb_test "break function${inf} thread ${inf}.1" \ | |
161 | "Breakpoint .* function${inf}\\..*" | |
162 | } | |
163 | ||
164 | # Select inferior INF, and then run to a breakpoint on inferior | |
165 | # INF+1. | |
166 | proc test_continue_inf {inf} { | |
167 | upvar 1 non-stop non-stop | |
168 | ||
169 | global gdb_prompt | |
170 | delete_breakpoints | |
171 | ||
172 | set next_inf [next_live_inferior $inf] | |
173 | ||
174 | gdb_test "inferior $inf" "Switching to inferior $inf.*" | |
175 | set_break $next_inf | |
176 | ||
177 | if {${non-stop} == "off"} { | |
178 | gdb_test "continue" "hit Breakpoint .* function${next_inf}.*" | |
179 | } else { | |
180 | set msg "continue" | |
181 | gdb_test_multiple "continue -a&" $msg { | |
182 | -re "Continuing.*$gdb_prompt " { | |
183 | pass $msg | |
184 | } | |
185 | } | |
186 | ||
187 | set msg "hit bp" | |
188 | gdb_test_multiple "" $msg { | |
189 | -re "hit Breakpoint .* function${next_inf}" { | |
190 | pass $msg | |
191 | } | |
192 | } | |
193 | ||
194 | set msg "stop all threads" | |
195 | gdb_test_multiple "interrupt -a" $msg { | |
196 | -re "$gdb_prompt " { | |
197 | for {set i 0} {$i < 7} {incr i} { | |
198 | set ok 0 | |
199 | gdb_test_multiple "" $msg { | |
200 | -re "Thread\[^\r\n\]*stopped\\." { | |
201 | set ok 1 | |
202 | } | |
203 | } | |
204 | if {!$ok} { | |
205 | break | |
206 | } | |
207 | } | |
208 | gdb_assert $ok $msg | |
209 | } | |
210 | } | |
211 | } | |
212 | } | |
213 | ||
214 | for {set i 1} {$i <= 5} {incr i} { | |
215 | if {$i == 3} { | |
216 | # This is a core inferior. | |
217 | continue | |
218 | } | |
219 | ||
220 | with_test_prefix "inf$i" { | |
221 | test_continue_inf $i | |
222 | } | |
223 | } | |
224 | } | |
225 | ||
226 | # Test interrupting multiple targets with Ctrl-C. | |
227 | ||
228 | proc test_ctrlc {} { | |
229 | if {![setup "off"]} { | |
230 | untested "setup failed" | |
231 | return | |
232 | } | |
233 | ||
234 | delete_breakpoints | |
235 | ||
236 | # Select inferior INF, continue all inferiors, and then Ctrl-C. | |
237 | proc test_ctrlc_inf {inf} { | |
238 | global gdb_prompt | |
239 | ||
240 | gdb_test "inferior $inf" "Switching to inferior $inf.*" | |
241 | ||
242 | set msg "continue" | |
243 | gdb_test_multiple "continue" $msg { | |
244 | -re "Continuing" { | |
245 | pass $msg | |
246 | } | |
247 | } | |
248 | ||
249 | after 200 { send_gdb "\003" } | |
250 | ||
251 | set msg "send_gdb control C" | |
252 | gdb_test_multiple "" $msg { | |
253 | -re "received signal SIGINT.*$gdb_prompt $" { | |
254 | pass $msg | |
255 | } | |
256 | } | |
257 | ||
258 | set msg "all threads stopped" | |
259 | gdb_test_multiple "info threads" "$msg" { | |
260 | -re "\\\(running\\\).*$gdb_prompt $" { | |
261 | fail $msg | |
262 | } | |
263 | -re "$gdb_prompt $" { | |
264 | pass $msg | |
265 | } | |
266 | } | |
267 | } | |
268 | ||
269 | for {set i 1} {$i <= 5} {incr i} { | |
270 | if {$i == 3} { | |
271 | # This is a core inferior. | |
272 | continue | |
273 | } | |
274 | ||
275 | with_test_prefix "inf$i" { | |
276 | test_ctrlc_inf $i | |
277 | } | |
278 | } | |
279 | } | |
280 | ||
281 | # Test "next" bouncing between two breakpoints in two threads running | |
282 | # in different targets. | |
283 | proc test_ping_pong_next {} { | |
284 | global srcfile | |
285 | ||
286 | if {![setup "off"]} { | |
287 | untested "setup failed" | |
288 | return | |
289 | } | |
290 | ||
291 | # block/unblock inferiors 1 and 2 according to INF1 and INF2. | |
292 | proc block {inf1 inf2} { | |
293 | gdb_test "thread apply 1.1 p wait_for_gdb = $inf1" " = $inf1" | |
294 | gdb_test "thread apply 2.1 p wait_for_gdb = $inf2" " = $inf2" | |
295 | } | |
296 | ||
297 | # We're use inferiors 1 and 2. Make sure they're really connected | |
298 | # to different targets. | |
299 | gdb_test "thread apply 1.1 maint print target-stack" \ | |
300 | "- native.*" | |
301 | gdb_test "thread apply 2.1 maint print target-stack" \ | |
302 | "- extended-remote.*" | |
303 | ||
304 | # Set two breakpoints, one for each of inferior 1 and 2. Inferior | |
305 | # 1 is running on the native target, and inferior 2 is running on | |
306 | # extended-gdbserver. Run to breakpoint 1 to gets things started. | |
307 | set line1 [gdb_get_line_number "set break 1 here"] | |
308 | set line2 [gdb_get_line_number "set break 2 here"] | |
309 | ||
310 | gdb_test "thread 1.1" "Switching to thread 1.1 .*" | |
311 | ||
312 | gdb_test "break $srcfile:$line1 thread 1.1" \ | |
313 | "Breakpoint .*$srcfile:$line1\\..*" | |
314 | ||
315 | gdb_test "continue" "hit Breakpoint .*" | |
316 | ||
317 | gdb_test "break $srcfile:$line2 thread 2.1" \ | |
318 | "Breakpoint .*$srcfile:$line2\\..*" | |
319 | ||
320 | # Now block inferior 1 and issue "next". We should stop at the | |
321 | # breakpoint for inferior 2, given schedlock off. | |
322 | with_test_prefix "next inf 1" { | |
323 | block 1 0 | |
324 | gdb_test "next" "Thread 2.1 .*hit Breakpoint .*$srcfile:$line2.*" | |
325 | } | |
326 | ||
327 | # Now unblock inferior 2 and block inferior 1. "next" should run | |
328 | # into the breakpoint in inferior 1. | |
329 | with_test_prefix "next inf 2" { | |
330 | block 0 1 | |
331 | gdb_test "next" "Thread 1.1 .*hit Breakpoint .*$srcfile:$line1.*" | |
332 | } | |
333 | ||
334 | # Try nexting inferior 1 again. | |
335 | with_test_prefix "next inf 1 again" { | |
336 | block 1 0 | |
337 | gdb_test "next" "Thread 2.1 .*hit Breakpoint .*$srcfile:$line2.*" | |
338 | } | |
339 | } | |
340 | ||
d9ebdab7 TBA |
341 | # Test "info inferiors" and "info connections". MULTI_PROCESS |
342 | # indicates whether the multi-process feature of remote targets is | |
343 | # turned off or on. | |
344 | proc test_info_inferiors {multi_process} { | |
345 | setup "off" | |
346 | ||
347 | gdb_test_no_output \ | |
348 | "set remote multiprocess-feature-packet $multi_process" | |
349 | ||
350 | # Get the description for inferior INF for when the current | |
351 | # inferior id is CURRENT. | |
352 | proc inf_desc {inf current} { | |
353 | set ws "\[ \t\]+" | |
354 | global decimal | |
355 | upvar multi_process multi_process | |
356 | ||
357 | if {($multi_process == "off") && ($inf == 2 || $inf == 5)} { | |
358 | set desc "Remote target" | |
359 | } else { | |
360 | set desc "process ${decimal}" | |
361 | } | |
362 | ||
363 | set desc "${inf}${ws}${desc}${ws}" | |
364 | if {$inf == $current} { | |
365 | return "\\* $desc" | |
366 | } else { | |
367 | return " $desc" | |
368 | } | |
369 | } | |
370 | ||
371 | # Get the "Num" column for CONNECTION for when the current | |
372 | # inferior id is CURRENT_INF. | |
373 | proc connection_num {connection current_inf} { | |
374 | switch $current_inf { | |
375 | "4" { set current_connection "1"} | |
376 | "5" { set current_connection "4"} | |
377 | "6" { set current_connection "5"} | |
378 | default { set current_connection $current_inf} | |
379 | } | |
380 | if {$connection == $current_connection} { | |
381 | return "\\* $connection" | |
382 | } else { | |
383 | return " $connection" | |
384 | } | |
385 | } | |
386 | ||
387 | set ws "\[ \t\]+" | |
388 | global decimal binfile | |
389 | ||
390 | # Test "info connections" and "info inferior" by switching to each | |
391 | # inferior one by one. | |
392 | for {set inf 1} {$inf <= 6} {incr inf} { | |
393 | with_test_prefix "inferior $inf" { | |
394 | gdb_test "inferior $inf" "Switching to inferior $inf.*" | |
395 | ||
396 | gdb_test "info connections" \ | |
397 | [multi_line \ | |
398 | "Num${ws}What${ws}Description${ws}" \ | |
399 | "[connection_num 1 $inf]${ws}native${ws}Native process${ws}" \ | |
400 | "[connection_num 2 $inf]${ws}extended-remote localhost:$decimal${ws}Extended remote serial target in gdb-specific protocol${ws}" \ | |
401 | "[connection_num 3 $inf]${ws}core${ws}Local core dump file${ws}" \ | |
402 | "[connection_num 4 $inf]${ws}extended-remote localhost:$decimal${ws}Extended remote serial target in gdb-specific protocol${ws}" \ | |
403 | "[connection_num 5 $inf]${ws}core${ws}Local core dump file${ws}" \ | |
404 | ] | |
405 | ||
406 | gdb_test "info inferiors" \ | |
407 | [multi_line \ | |
408 | "Num${ws}Description${ws}Connection${ws}Executable${ws}" \ | |
409 | "[inf_desc 1 $inf]1 \\(native\\)${ws}${binfile}${ws}" \ | |
410 | "[inf_desc 2 $inf]2 \\(extended-remote localhost:$decimal\\)${ws}${binfile}${ws}" \ | |
411 | "[inf_desc 3 $inf]3 \\(core\\)${ws}${binfile}${ws}" \ | |
412 | "[inf_desc 4 $inf]1 \\(native\\)${ws}${binfile}${ws}" \ | |
413 | "[inf_desc 5 $inf]4 \\(extended-remote localhost:$decimal\\)${ws}${binfile}${ws}" \ | |
414 | "[inf_desc 6 $inf]5 \\(core\\)${ws}${binfile}${ws}" \ | |
415 | ] | |
416 | } | |
417 | } | |
418 | } | |
419 | ||
1dadb1dd PA |
420 | # Make a core file with two threads upfront. Several tests load the |
421 | # same core file. | |
422 | prepare_core | |
423 | ||
424 | # Some basic "continue" + breakpoints tests. | |
425 | with_test_prefix "continue" { | |
426 | foreach_with_prefix non-stop {"off" "on"} { | |
427 | test_continue ${non-stop} | |
428 | } | |
429 | } | |
430 | ||
431 | # Some basic all-stop Ctrl-C tests. | |
432 | with_test_prefix "interrupt" { | |
433 | test_ctrlc | |
434 | } | |
435 | ||
436 | # Test ping-ponging between two targets with "next". | |
437 | with_test_prefix "ping-pong" { | |
438 | test_ping_pong_next | |
439 | } | |
d9ebdab7 TBA |
440 | |
441 | # Test "info inferiors" and "info connections" commands. | |
442 | with_test_prefix "info-inferiors" { | |
443 | foreach_with_prefix multi_process {"on" "off"} { | |
444 | test_info_inferiors $multi_process | |
445 | } | |
446 | } |