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[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.trace / strace.exp
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88b9d363 1# Copyright 2011-2022 Free Software Foundation, Inc.
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2# This program is free software; you can redistribute it and/or modify
3# it under the terms of the GNU General Public License as published by
4# the Free Software Foundation; either version 3 of the License, or
5# (at your option) any later version.
6#
7# This program is distributed in the hope that it will be useful,
8# but WITHOUT ANY WARRANTY; without even the implied warranty of
9# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10# GNU General Public License for more details.
11#
12# You should have received a copy of the GNU General Public License
13# along with this program. If not, see <http://www.gnu.org/licenses/>.
14
4ec70201 15load_lib "trace-support.exp"
1576bd00 16
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17if {[skip_shlib_tests]} {
18 return 0
19}
20
497a5eb0 21standard_testfile
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22set executable $testfile
23
c0d4d1c0 24set libipa [get_in_proc_agent]
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25
26set lib_opts debug
27
4c93b1db 28if [get_compiler_info] {
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29 return -1
30}
31
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32set additional_flags [list quiet debug shlib=$libipa shlib_load \
33 "additional_flags=-lust -lurcu-bp" ]
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34
35if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} {
36 untested "UST library or headers are not installed"
37 return -1
38}
39
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40# Test that the socket file is removed when GDB quits, detaches or
41# resumes the inferior until it exits.
42
43proc strace_remove_socket { action } {
44 with_test_prefix "remove_socket_after_${action}" {
45
46 global executable
47 global gdb_prompt
48 global libipa
49
50 # Restart with a fresh gdb.
51 clean_restart $executable
d9019901 52 gdb_load_shlib $libipa
7255706c 53 if ![runto_main] {
bc6c7af4 54 fail "can't run to main"
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55 return -1
56 }
57
58 # List the markers in program.
59 gdb_test "info static-tracepoint-markers" \
60 ".*ust/bar\[\t \]+n\[\t \]+.*ust/bar2\[\t \]+n\[\t \]+.*"
61
62 set pid ""
63 set test "collect pid"
64 gdb_test_multiple "info inferiors" $test {
65 -re "process (\[-0-9a-fx\]+) \[^\n\]*\n.*${gdb_prompt} $" {
66 set pid $expect_out(1,string)
67 pass $test
68 }
69 -re ".*${gdb_prompt} $" {
70 fail $test
71 }
72 }
73
74 set test "socket file exists"
75 set socket_file "/tmp/gdb_ust${pid}"
76 set status [remote_exec target "sh -c { \[ -S $socket_file \] }"]
77
78 if { [lindex $status 0] == 0 } {
79 pass $test
80 } else {
81 fail $test
82 }
83
84 send_gdb "${action}\n"
85 gdb_expect {
86 -re "A debugging session is active.\r\n.*\r\nQuit anyway\\? \\(y or n\\) $" {
87 send_gdb "y\n"
88 }
89 -re "Detaching .*, process .*$" {
90 }
91 -re "Continuing.*$" {
92 }
93 }
94
95 set exists 1
96
97 for {set i 1} {$i <= 5} {incr i} {
98 set status [remote_exec target "sh -c { \[ -S $socket_file \] }"]
99 if { [lindex $status 0] != 0 } {
100 set exists 0
101 break
102 }
103 sleep 1
104 }
105
106 if { ![is_remote target] && ![string equal $action "detach"] } {
107 setup_kfail gdb/14161 *-*-*
108 }
109
110 set test "socket file removed"
111
112 if { $exists } {
113 fail $test
114 # Since $socket_file is a socket file instead of a regular file, we
115 # can't use 'remote_file target delete $socket_file' here.
116 remote_exec target "sh -c \"rm -r $socket_file\""
117 } else {
118 pass $test
119 }
120
121 if { [string equal $action "quit"] && [is_remote host] } {
122 global gdb_spawn_id
123 # unset gdb_spawn_id here to avoid sending command 'quit' to GDB
124 # later in default_gdb_exit.
125 unset gdb_spawn_id
126 }
127}}
128
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129proc strace_info_marker { } {
130 with_test_prefix "info_marker" {
131 global executable
132 global gdb_prompt
133 global libipa
134
135 # Restart with a fresh gdb.
136 clean_restart $executable
d9019901 137 gdb_load_shlib $libipa
0a251e08 138 if ![runto_main] {
bc6c7af4 139 fail "can't run to main"
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140 return -1
141 }
1576bd00 142
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143 # List the markers in program. They should be disabled.
144 gdb_test "info static-tracepoint-markers" \
145 ".*ust/bar\[\t \]+n\[\t \]+.*ust/bar2\[\t \]+n\[\t \]+.*"
1576bd00 146
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147 # List all the thread. It is expected to get three threads without
148 # any errors.
149 gdb_test_multiple "info threads 3 2 1" "info threads" {
150 -re "3\[ \t\]+Thread .*2\[ \t\]+Thread .*1\[ \t\]+Thread .*${gdb_prompt} $" {
151 pass "info threads"
152 }
9e507076 153 }
7255706c 154
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155 # GDB detaches inferior so that the socket file can be removed.
156 gdb_test_multiple "detach" "detach" {
157 -re "Detaching .*, process .*${gdb_prompt} $" {
158 pass "detach"
159 }
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160 }
161 }
0a251e08 162}
1576bd00 163
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164proc strace_probe_marker { } {
165 with_test_prefix "probe_marker" {
166 global executable
167 global expect_out
168 global gdb_prompt
169 global hex
170 global libipa
171
172 # Restart with a fresh gdb.
173 clean_restart $executable
d9019901 174 gdb_load_shlib $libipa
0a251e08 175 if ![runto_main] {
bc6c7af4 176 fail "can't run to main"
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177 return -1
178 }
1576bd00 179
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180 gdb_test "strace -m ust/bar" \
181 "Static tracepoint \[0-9\]+ at ${hex}: file.*"
182 gdb_test "strace -m ust/bar2" \
183 "Static tracepoint \[0-9\]+ at ${hex}: file.*"
184 # Two trace markers should be enabled.
185 gdb_test "info static-tracepoint-markers" \
186 "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*"
1576bd00 187
194ed413 188 gdb_breakpoint "end" qualified
1576bd00 189
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190 gdb_test_no_output "tstart"
191 gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \
192 "continue to end"
193 gdb_test_no_output "tstop"
1576bd00 194
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195 gdb_test "tfind" "Found trace frame 0, tracepoint .*" \
196 "tfind frame 0"
197 gdb_test "tfind" "Found trace frame 1, tracepoint .*" \
198 "tfind frame 1"
199 gdb_test "tfind" \
200 "Target failed to find requested trace frame\\..*"
201 }
202}
1576bd00 203
8efd7788 204proc strace_trace_on_same_addr { type } {
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205 with_test_prefix "trace_same_addr $type" {
206 global executable
207 global expect_out
208 global gdb_prompt
209 global hex
210 global libipa
211
212 # Restart with a fresh gdb.
213 clean_restart $executable
d9019901 214 gdb_load_shlib $libipa
0a251e08 215 if ![runto_main] {
bc6c7af4 216 fail "can't run to main"
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217 return -1
218 }
3c2d6aff 219
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220 set marker_bar_addr ""
221 set marker_bar2_addr ""
3c2d6aff 222
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223 # List the markers in program. They should be disabled.
224 gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" {
225 -re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" {
226 set ignore ""
3c2d6aff 227
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228 regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \
229 "$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr
3c2d6aff 230
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231 pass "info static-tracepoint-markers 1"
232 }
233 -re ".*${gdb_prompt} $" {
234 fail "info static-tracepoint-markers 1"
235 }
3c2d6aff 236 }
3c2d6aff 237
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238 gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
239 gdb_test "strace -m ust/bar2" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
240 # Two trace markers should be enabled.
241 gdb_test "info static-tracepoint-markers" \
242 "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*" \
243 "info static-tracepoint-markers 2"
244
33bf4c5c 245 # Set breakpoints or tracepoints.
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246 set test "${type} on marker bar"
247 gdb_test_multiple "${type} *${marker_bar_addr}" $test {
248 -re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*\r\n$gdb_prompt $" {
249 pass $test
250 }
251 -re ".*\r\n$gdb_prompt $" {
252 if [string equal $type "ftrace"] {
253 # The instruction may be not long enough to set a fast
254 # tracepoint. Skip the rest of this test.
255 return -1
256 } else {
257 fail $test
258 }
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259 }
260 }
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261 set test "${type} on marker bar2"
262 gdb_test_multiple "${type} *${marker_bar2_addr}" $test {
263 -re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*" {
264 pass $test
265 }
266 -re ".*\r\n$gdb_prompt $" {
267 if [string equal $type "ftrace"] {
268 # The instruction may be not long enough to set a fast
269 # tracepoint. Skip the rest of this test.
270 return -1
271 } else {
272 fail $test
273 }
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274 }
275 }
3c2d6aff 276
194ed413 277 gdb_breakpoint "end" qualified
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278
279 if [string equal $type "break"] {
280 gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \
281 "continue to bar"
282 gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \
283 "continue to bar2"
284 gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \
285 "continue to end"
286 } else {
287
288 gdb_test_no_output "tstart"
289 gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \
290 "continue to end"
291 gdb_test_no_output "tstop"
292
293 gdb_test "tfind" "Found trace frame 0, tracepoint .*" \
294 "tfind frame 0"
295 gdb_test "tfind" "Found trace frame 1, tracepoint .*" \
296 "tfind frame 1"
297 gdb_test "tfind" "Found trace frame 2, tracepoint .*" \
298 "tfind frame 2"
299 gdb_test "tfind" "Found trace frame 3, tracepoint .*" \
300 "tfind frame 3"
301 gdb_test "tfind" \
302 "Target failed to find requested trace frame\\..*"
303 }
3c2d6aff 304 }
0a251e08 305}
3c2d6aff 306
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307proc strace_trace_on_diff_addr { } {
308 with_test_prefix "trace_diff_addr" {
309
310 global executable
311 global expect_out
312 global gdb_prompt
313 global hex
314 global libipa
315
316 # Restart with a fresh gdb.
317 clean_restart $executable
d9019901 318 gdb_load_shlib $libipa
0a251e08 319 if ![runto_main] {
bc6c7af4 320 fail "can't run to main"
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321 return -1
322 }
3c2d6aff 323
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324 set marker_bar_addr ""
325 set marker_bar2_addr ""
3c2d6aff 326
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327 # List the markers in program. They should be disabled.
328 gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" {
329 -re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" {
330 set ignore ""
3c2d6aff 331
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332 regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \
333 "$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr
3c2d6aff 334
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335 pass "info static-tracepoint-markers 1"
336 }
337 -re ".*${gdb_prompt} $" {
338 fail "info static-tracepoint-markers 1"
339 }
3c2d6aff 340 }
3c2d6aff 341
0a251e08 342 gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
3c2d6aff 343
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344 gdb_test "info static-tracepoint-markers" \
345 "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+n\[\t \]+$hex.*" \
346 "info static-tracepoint-markers 2"
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347
348
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349 # Set common tracepoint.
350 gdb_test "trace *${marker_bar2_addr}" \
351 "Tracepoint \[0-9\]+ at ${hex}: file.*"
3c2d6aff 352
194ed413 353 gdb_breakpoint "end" qualified
3c2d6aff 354
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355 gdb_test_no_output "tstart"
356 gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \
357 "continue to end"
358 gdb_test_no_output "tstop"
3c2d6aff 359
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360 gdb_test "tfind" "Found trace frame 0, tracepoint .*" \
361 "tfind frame 0"
362 gdb_test "tfind" "Found trace frame 1, tracepoint .*" \
363 "tfind frame 1"
364 gdb_test "tfind" \
365 "Target failed to find requested trace frame\\..*"
366 }
367}
3c2d6aff 368
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369# Run it on x86/x86_64 linux.
370if { [istarget "x86_64-*-linux*"] || [istarget "i\[34567\]86-*-linux*"] } {
371 strace_info_marker
372 strace_remove_socket "quit"
373 strace_remove_socket "detach"
374 strace_remove_socket "continue"
375}
5808517f 376
7255706c 377clean_restart $executable
d9019901 378gdb_load_shlib $libipa
5808517f 379if ![runto_main] {
bc6c7af4 380 fail "can't run to main to check for trace support"
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381 return -1
382}
5808517f 383if { ![gdb_target_supports_trace] } then {
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384 # At this point, the socket file has been created. We must make sure it is
385 # removed when we return here. GDB detaches inferior so that the socket
386 # file can be removed. Note that GDB simply kill inferior doesn't remove
387 # the socket file.
388 gdb_test "detach" "Detaching .*, process .*"
bc6c7af4 389 unsupported "current target does not support trace"
ae59b1da 390 return -1
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391}
392
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393# Double-check that marker ID ("-m") is not mistaken for an explicit location
394# flag.
395gdb_test "strace -m gdbfoobarbaz" \
396 "No known static tracepoint marker named gdbfoobarbaz"
397
1576bd00 398strace_probe_marker
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399
400strace_trace_on_same_addr "trace"
401strace_trace_on_same_addr "ftrace"
402strace_trace_on_same_addr "break"
403strace_trace_on_diff_addr
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