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32d0add0 | 1 | # Copyright 1997-2015 Free Software Foundation, Inc. |
fbbe92c5 SDJ |
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 | ||
17 | # This program tests the 'catch syscall' functionality. | |
18 | # | |
19 | # It was written by Sergio Durigan Junior <sergiodj@linux.vnet.ibm.com> | |
20 | # on September/2008. | |
21 | ||
22 | if { [is_remote target] || ![isnative] } then { | |
23 | continue | |
24 | } | |
25 | ||
2d4e0376 YQ |
26 | # This shall be updated whenever 'catch syscall' is implemented |
27 | # on some architecture. | |
2d4e0376 YQ |
28 | if { ![istarget "x86_64-*-linux*"] && ![istarget "i\[34567\]86-*-linux*"] |
29 | && ![istarget "powerpc-*-linux*"] && ![istarget "powerpc64-*-linux*"] | |
30 | && ![istarget "sparc-*-linux*"] && ![istarget "sparc64-*-linux*"] | |
237b092b | 31 | && ![istarget "mips*-linux*"] && ![istarget "arm*-linux*"] |
f68f11b7 | 32 | && ![istarget "s390*-linux*"] && ![istarget "aarch64*-*-linux*"] } { |
2d4e0376 YQ |
33 | continue |
34 | } | |
fbbe92c5 | 35 | |
f76495c8 | 36 | standard_testfile |
fbbe92c5 | 37 | |
2e0d821f SDJ |
38 | if { [prepare_for_testing ${testfile}.exp $testfile ${testfile}.c] } { |
39 | untested catch-syscall.exp | |
40 | return -1 | |
41 | } | |
42 | ||
f68f11b7 YQ |
43 | # All (but the last) syscalls from the example code. It is filled in |
44 | # proc setup_all_syscalls. | |
45 | set all_syscalls { } | |
fbbe92c5 | 46 | set all_syscalls_numbers { } |
2e0d821f | 47 | |
fbbe92c5 SDJ |
48 | # The last syscall (exit()) does not return, so |
49 | # we cannot expect the catchpoint to be triggered | |
50 | # twice. It is a special case. | |
51 | set last_syscall "exit_group" | |
2e0d821f | 52 | set last_syscall_number { } |
fbbe92c5 | 53 | |
bfd09d20 JS |
54 | set vfork_syscalls "(vfork|clone2?)" |
55 | ||
56 | set unknown_syscall_number { } | |
57 | ||
fbbe92c5 SDJ |
58 | # Internal procedure used to check if, after issuing a 'catch syscall' |
59 | # command (without arguments), the 'info breakpoints' command displays | |
60 | # that '"any syscall"' is to be caught. | |
61 | proc check_info_bp_any_syscall {} { | |
fbbe92c5 SDJ |
62 | # Verifying that the catchpoint appears in the 'info breakpoints' |
63 | # command, but with "<any syscall>". | |
64 | set thistest "catch syscall appears in 'info breakpoints'" | |
65 | gdb_test "info breakpoints" ".*catchpoint.*keep y.*syscall \"<any syscall>\".*" $thistest | |
66 | } | |
67 | ||
68 | # Internal procedure used to check if, after issuing a 'catch syscall X' | |
69 | # command (with arguments), the 'info breakpoints' command displays | |
70 | # that the syscall 'X' is to be caught. | |
71 | proc check_info_bp_specific_syscall { syscall } { | |
fbbe92c5 SDJ |
72 | set thistest "syscall(s) $syscall appears in 'info breakpoints'" |
73 | gdb_test "info breakpoints" ".*catchpoint.*keep y.*syscall(\[(\]s\[)\])? (.)?${syscall}(.)?.*" $thistest | |
74 | } | |
75 | ||
76 | # Internal procedure used to check if, after issuing a 'catch syscall X' | |
77 | # command (with many arguments), the 'info breakpoints' command displays | |
78 | # that the syscalls 'X' are to be caught. | |
79 | proc check_info_bp_many_syscalls { syscalls } { | |
fbbe92c5 SDJ |
80 | set filter_str "" |
81 | ||
82 | foreach name $syscalls { | |
83 | set filter_str "${filter_str}${name}, " | |
84 | } | |
85 | ||
86 | set filter_str [ string trimright $filter_str ", " ] | |
87 | ||
88 | set thistest "syscalls $filter_str appears in 'info breakpoints'" | |
89 | gdb_test "info breakpoints" ".*catchpoint.*keep y.*syscalls (.)?${filter_str}(.)?.*" $thistest | |
90 | } | |
91 | ||
bfd09d20 JS |
92 | # This procedure checks if there was a call to a syscall. The optional |
93 | # pattern can match syscalls that vary in implementation, like vfork. | |
94 | proc check_call_to_syscall { syscall { pattern "" } } { | |
2e0d821f | 95 | global decimal |
fbbe92c5 | 96 | |
bfd09d20 JS |
97 | if { $pattern eq "" } { |
98 | set pattern "${syscall}" | |
99 | } | |
100 | ||
fbbe92c5 | 101 | set thistest "program has called $syscall" |
bfd09d20 | 102 | gdb_test "continue" "Catchpoint $decimal \\(call to syscall .?${pattern}.?\\).*" $thistest |
fbbe92c5 SDJ |
103 | } |
104 | ||
bfd09d20 JS |
105 | # This procedure checks if the syscall returned. The optional pattern |
106 | # can match syscalls that vary in implementation, like vfork. | |
107 | proc check_return_from_syscall { syscall { pattern "" } } { | |
2e0d821f | 108 | global decimal |
fbbe92c5 | 109 | |
bfd09d20 JS |
110 | if { $pattern eq "" } { |
111 | set pattern "${syscall}" | |
112 | } | |
113 | ||
fbbe92c5 | 114 | set thistest "syscall $syscall has returned" |
bfd09d20 | 115 | gdb_test "continue" "Catchpoint $decimal \\(returned from syscall ${pattern}\\).*" $thistest |
fbbe92c5 SDJ |
116 | } |
117 | ||
118 | # Internal procedure that performs two 'continue' commands and checks if | |
bfd09d20 JS |
119 | # a syscall call AND return occur. The optional pattern can match |
120 | # syscalls that vary in implementation, like vfork. | |
121 | proc check_continue { syscall { pattern "" } } { | |
fbbe92c5 SDJ |
122 | # Testing if the 'continue' stops at the |
123 | # specified syscall_name. If it does, then it should | |
124 | # first print that the infeior has called the syscall, | |
125 | # and after print that the syscall has returned. | |
126 | ||
e03f9645 | 127 | # Testing if the inferior has called the syscall. |
bfd09d20 | 128 | check_call_to_syscall $syscall $pattern |
fbbe92c5 | 129 | # And now, that the syscall has returned. |
bfd09d20 | 130 | check_return_from_syscall $syscall $pattern |
fbbe92c5 SDJ |
131 | } |
132 | ||
133 | # Inserts a syscall catchpoint with an argument. | |
134 | proc insert_catch_syscall_with_arg { syscall } { | |
2e0d821f | 135 | global decimal |
fbbe92c5 SDJ |
136 | |
137 | # Trying to set the catchpoint | |
138 | set thistest "catch syscall with arguments ($syscall)" | |
2e0d821f | 139 | gdb_test "catch syscall $syscall" "Catchpoint $decimal \\(syscall \'?${syscall}\'?( \[${decimal}\])?\\)" $thistest |
fbbe92c5 SDJ |
140 | |
141 | check_info_bp_specific_syscall $syscall | |
142 | } | |
143 | ||
144 | # Inserts a syscall catchpoint with many arguments. | |
145 | proc insert_catch_syscall_with_many_args { syscalls numbers } { | |
2e0d821f SDJ |
146 | global decimal |
147 | ||
fbbe92c5 SDJ |
148 | set catch [ join $syscalls " " ] |
149 | set filter_str "" | |
150 | ||
151 | foreach name $syscalls number $numbers { | |
2e0d821f | 152 | set filter_str "${filter_str}'${name}' \\\[${number}\\\] " |
fbbe92c5 SDJ |
153 | } |
154 | ||
155 | set filter_str [ string trimright $filter_str " " ] | |
156 | ||
157 | # Trying to set the catchpoint | |
158 | set thistest "catch syscall with arguments ($filter_str)" | |
2e0d821f | 159 | gdb_test "catch syscall $catch" "Catchpoint $decimal \\(syscalls ${filter_str}\\).*" $thistest |
fbbe92c5 SDJ |
160 | |
161 | check_info_bp_many_syscalls $syscalls | |
162 | } | |
163 | ||
164 | proc check_for_program_end {} { | |
fbbe92c5 SDJ |
165 | # Deleting the catchpoints |
166 | delete_breakpoints | |
167 | ||
fda326dd | 168 | gdb_continue_to_end |
fbbe92c5 SDJ |
169 | } |
170 | ||
171 | proc test_catch_syscall_without_args {} { | |
bfd09d20 | 172 | global all_syscalls last_syscall vfork_syscalls unknown_syscall_number decimal |
fbbe92c5 | 173 | |
eb4ca471 PA |
174 | with_test_prefix "without arguments" { |
175 | # Trying to set the syscall. | |
2e0d821f | 176 | gdb_test "catch syscall" "Catchpoint $decimal \\(any syscall\\)" |
fbbe92c5 | 177 | |
eb4ca471 | 178 | check_info_bp_any_syscall |
fbbe92c5 | 179 | |
eb4ca471 PA |
180 | # We have to check every syscall. |
181 | foreach name $all_syscalls { | |
182 | check_continue $name | |
183 | } | |
fbbe92c5 | 184 | |
bfd09d20 JS |
185 | check_continue "vfork" $vfork_syscalls |
186 | ||
187 | with_test_prefix "ENOSYS" { | |
188 | check_continue $unknown_syscall_number | |
189 | } | |
190 | ||
eb4ca471 PA |
191 | # At last but not least, we check if the inferior has called |
192 | # the last (exit) syscall. | |
193 | check_call_to_syscall $last_syscall | |
fbbe92c5 | 194 | |
eb4ca471 PA |
195 | # Now let's see if the inferior correctly finishes. |
196 | check_for_program_end | |
197 | } | |
fbbe92c5 SDJ |
198 | } |
199 | ||
200 | proc test_catch_syscall_with_args {} { | |
eb4ca471 | 201 | with_test_prefix "with arguments" { |
eb4ca471 PA |
202 | set syscall_name "close" |
203 | insert_catch_syscall_with_arg $syscall_name | |
fbbe92c5 | 204 | |
eb4ca471 PA |
205 | # Can we continue until we catch the syscall? |
206 | check_continue $syscall_name | |
fbbe92c5 | 207 | |
eb4ca471 PA |
208 | # Now let's see if the inferior correctly finishes. |
209 | check_for_program_end | |
210 | } | |
fbbe92c5 SDJ |
211 | } |
212 | ||
213 | proc test_catch_syscall_with_many_args {} { | |
eb4ca471 | 214 | with_test_prefix "with many arguments" { |
2e0d821f | 215 | global all_syscalls all_syscalls_numbers |
fbbe92c5 | 216 | |
eb4ca471 | 217 | insert_catch_syscall_with_many_args $all_syscalls $all_syscalls_numbers |
fbbe92c5 | 218 | |
eb4ca471 PA |
219 | # Can we continue until we catch the syscalls? |
220 | foreach name $all_syscalls { | |
221 | check_continue $name | |
222 | } | |
fbbe92c5 | 223 | |
eb4ca471 PA |
224 | # Now let's see if the inferior correctly finishes. |
225 | check_for_program_end | |
226 | } | |
fbbe92c5 SDJ |
227 | } |
228 | ||
229 | proc test_catch_syscall_with_wrong_args {} { | |
eb4ca471 | 230 | with_test_prefix "wrong args" { |
eb4ca471 PA |
231 | # mlock is not called from the source |
232 | set syscall_name "mlock" | |
233 | insert_catch_syscall_with_arg $syscall_name | |
234 | ||
235 | # Now, we must verify if the program stops with a continue. | |
236 | # If it doesn't, everything is right (since we don't have | |
237 | # a syscall named "mlock" in it). Otherwise, this is a failure. | |
238 | set thistest "catch syscall with unused syscall ($syscall_name)" | |
239 | gdb_continue_to_end $thistest | |
240 | } | |
fbbe92c5 SDJ |
241 | } |
242 | ||
243 | proc test_catch_syscall_restarting_inferior {} { | |
eb4ca471 | 244 | with_test_prefix "restarting inferior" { |
eb4ca471 | 245 | set syscall_name "chroot" |
fbbe92c5 | 246 | |
eb4ca471 PA |
247 | with_test_prefix "entry" { |
248 | insert_catch_syscall_with_arg $syscall_name | |
fbbe92c5 | 249 | |
eb4ca471 PA |
250 | # Let's first reach the entry of the syscall. |
251 | check_call_to_syscall $syscall_name | |
252 | } | |
fbbe92c5 | 253 | |
eb4ca471 PA |
254 | with_test_prefix "entry/return" { |
255 | # Now, restart the program. | |
256 | rerun_to_main | |
fbbe92c5 | 257 | |
eb4ca471 PA |
258 | # And check for entry/return. |
259 | check_continue $syscall_name | |
fbbe92c5 | 260 | |
eb4ca471 PA |
261 | # Can we finish? |
262 | check_for_program_end | |
263 | } | |
264 | } | |
fbbe92c5 SDJ |
265 | } |
266 | ||
bfd09d20 JS |
267 | proc test_catch_syscall_skipping_return {} { |
268 | with_test_prefix "skipping return" { | |
269 | with_test_prefix "entry" { | |
270 | set syscall_name "write" | |
271 | ||
272 | insert_catch_syscall_with_arg $syscall_name | |
273 | ||
274 | # Let's first reach the entry of the syscall. | |
275 | check_call_to_syscall $syscall_name | |
276 | ||
277 | # Now purposely skip the syscall return. | |
278 | delete_breakpoints | |
279 | gdb_test "stepi" ".*" "step over syscall return" | |
280 | } | |
281 | ||
282 | # With a naive entry/return toggle, gdb will still think | |
283 | # the target is due for a syscall return. | |
284 | ||
285 | with_test_prefix "entry/return" { | |
286 | set syscall_name "read" | |
287 | ||
288 | insert_catch_syscall_with_arg $syscall_name | |
289 | ||
290 | # Check for entry first, then return. | |
291 | check_continue $syscall_name | |
292 | ||
293 | # Can we finish? | |
294 | check_for_program_end | |
295 | } | |
296 | } | |
297 | } | |
298 | ||
299 | proc test_catch_syscall_mid_vfork {} { | |
300 | global gdb_prompt decimal vfork_syscalls | |
301 | ||
302 | with_test_prefix "mid-vfork" { | |
303 | # Verify that the system supports "catch vfork". | |
304 | gdb_test "catch vfork" "Catchpoint $decimal \\(vfork\\)" "insert first vfork catchpoint" | |
305 | gdb_test_multiple "continue" "continue to first vfork catchpoint" { | |
306 | -re ".*Your system does not support this type\r\nof catchpoint.*$gdb_prompt $" { | |
307 | unsupported "continue to first vfork catchpoint" | |
308 | return | |
309 | } | |
310 | -re ".*Catchpoint $decimal \\(vforked process $decimal\\).*$gdb_prompt $" { | |
311 | pass "continue to first vfork catchpoint" | |
312 | } | |
313 | } | |
314 | ||
315 | # Check that we now reach vfork return only. | |
316 | # (The actual syscall used varies by architecture.) | |
317 | gdb_test "catch syscall" "Catchpoint $decimal \\(any syscall\\)" | |
318 | check_return_from_syscall "vfork" $vfork_syscalls | |
319 | ||
320 | # Can we finish? | |
321 | check_for_program_end | |
322 | } | |
323 | } | |
324 | ||
bccd0dd2 | 325 | proc test_catch_syscall_fail_nodatadir {} { |
eb4ca471 | 326 | with_test_prefix "fail no datadir" { |
eb4ca471 PA |
327 | # Sanitizing. |
328 | delete_breakpoints | |
bccd0dd2 | 329 | |
eb4ca471 PA |
330 | # Make sure GDB doesn't load the syscalls xml from the system |
331 | # data directory. | |
8d551b02 DE |
332 | gdb_test "set data-directory /the/path/to/nowhere" \ |
333 | "Warning: /the/path/to/nowhere: .*" | |
fc30d5e0 | 334 | |
eb4ca471 PA |
335 | # Testing to see if we receive a warning when calling "catch |
336 | # syscall" without XML support (without datadir). | |
337 | set thistest "catch syscall displays a warning when there is no XML support" | |
338 | gdb_test "catch syscall" \ | |
339 | "warning: Could not load the syscall XML file.*warning: GDB will not be able to display syscall names nor to verify if.*any provided syscall numbers are valid.*Catchpoint .*(syscall).*" \ | |
340 | $thistest | |
bccd0dd2 | 341 | |
eb4ca471 PA |
342 | # Since the catchpoint was set, we must check if it's present |
343 | # in "info breakpoints" output. | |
344 | check_info_bp_any_syscall | |
bccd0dd2 | 345 | |
eb4ca471 PA |
346 | # Sanitizing. |
347 | delete_breakpoints | |
348 | } | |
bccd0dd2 SDJ |
349 | } |
350 | ||
fbbe92c5 | 351 | proc do_syscall_tests {} { |
aae1c79a DE |
352 | # NOTE: We don't have to point gdb at the correct data-directory. |
353 | # For the build tree that is handled by INTERNAL_GDBFLAGS. | |
fbbe92c5 SDJ |
354 | |
355 | # Verify that the 'catch syscall' help is available | |
356 | set thistest "help catch syscall" | |
357 | gdb_test "help catch syscall" "Catch system calls.*" $thistest | |
358 | ||
359 | # Try to set a catchpoint to a nonsense syscall | |
360 | set thistest "catch syscall to a nonsense syscall is prohibited" | |
361 | gdb_test "catch syscall nonsense_syscall" "Unknown syscall name .*" $thistest | |
362 | ||
b45627a0 TT |
363 | # Regression test for syscall completer bug. |
364 | gdb_test "complete catch syscall close chroo" \ | |
365 | "catch syscall close chroot" \ | |
366 | "complete catch syscall with multiple words" | |
367 | ||
fbbe92c5 SDJ |
368 | # Testing the 'catch syscall' command without arguments. |
369 | # This test should catch any syscalls. | |
370 | if [runto_main] then { test_catch_syscall_without_args } | |
371 | ||
372 | # Testing the 'catch syscall' command with arguments. | |
373 | # This test should only catch the specified syscall. | |
374 | if [runto_main] then { test_catch_syscall_with_args } | |
375 | ||
376 | # Testing the 'catch syscall' command with many arguments. | |
377 | # This test should catch $all_syscalls. | |
378 | if [runto_main] then { test_catch_syscall_with_many_args } | |
379 | ||
380 | # Testing the 'catch syscall' command with WRONG arguments. | |
381 | # This test should not trigger any catchpoints. | |
382 | if [runto_main] then { test_catch_syscall_with_wrong_args } | |
383 | ||
bfd09d20 | 384 | # Testing the 'catch syscall' command during a restart of |
fbbe92c5 SDJ |
385 | # the inferior. |
386 | if [runto_main] then { test_catch_syscall_restarting_inferior } | |
458c8db8 | 387 | |
bfd09d20 JS |
388 | # Testing the 'catch syscall' command toggling off past a |
389 | # syscall return, then resuming entry/return as normal. | |
390 | if [runto_main] then { test_catch_syscall_skipping_return } | |
391 | ||
392 | # Testing the 'catch syscall' command starting mid-vfork. | |
393 | if [runto_main] then { test_catch_syscall_mid_vfork } | |
394 | ||
458c8db8 SDJ |
395 | # Testing if the 'catch syscall' command works when switching to |
396 | # different architectures on-the-fly (PR gdb/10737). | |
397 | if [runto_main] then { test_catch_syscall_multi_arch } | |
fbbe92c5 SDJ |
398 | } |
399 | ||
fbbe92c5 | 400 | proc test_catch_syscall_without_args_noxml {} { |
eb4ca471 PA |
401 | with_test_prefix "without args noxml" { |
402 | # We will need the syscall names even not using it because we | |
403 | # need to know know many syscalls are in the example file. | |
bfd09d20 | 404 | global decimal all_syscalls last_syscall_number unknown_syscall_number all_syscalls_numbers |
eb4ca471 PA |
405 | |
406 | delete_breakpoints | |
407 | ||
408 | gdb_test "catch syscall" "Catchpoint .*(syscall).*" | |
409 | ||
410 | # Now, we should be able to set a catchpoint, and GDB shall | |
411 | # not display the warning anymore. | |
2e0d821f | 412 | foreach name $all_syscalls number $all_syscalls_numbers { |
eb4ca471 | 413 | with_test_prefix "$name" { |
2e0d821f | 414 | check_continue $number |
eb4ca471 PA |
415 | } |
416 | } | |
417 | ||
bfd09d20 JS |
418 | check_continue "vfork" $decimal |
419 | ||
420 | with_test_prefix "ENOSYS" { | |
421 | check_continue $unknown_syscall_number | |
422 | } | |
423 | ||
eb4ca471 PA |
424 | # At last but not least, we check if the inferior has called |
425 | # the last (exit) syscall. | |
2e0d821f | 426 | check_call_to_syscall $last_syscall_number |
eb4ca471 PA |
427 | |
428 | delete_breakpoints | |
fbbe92c5 | 429 | } |
fbbe92c5 SDJ |
430 | } |
431 | ||
432 | proc test_catch_syscall_with_args_noxml {} { | |
eb4ca471 | 433 | with_test_prefix "with args noxml" { |
2e0d821f | 434 | global all_syscalls_numbers |
fbbe92c5 | 435 | |
eb4ca471 | 436 | delete_breakpoints |
fbbe92c5 | 437 | |
2e0d821f SDJ |
438 | # Inserting all syscalls numbers to be caught |
439 | foreach syscall_number $all_syscalls_numbers { | |
440 | insert_catch_syscall_with_arg $syscall_number | |
441 | } | |
fbbe92c5 | 442 | |
2e0d821f SDJ |
443 | # Checking that all syscalls are caught. |
444 | foreach syscall_number $all_syscalls_numbers { | |
445 | check_continue $syscall_number | |
446 | } | |
fbbe92c5 | 447 | |
eb4ca471 PA |
448 | delete_breakpoints |
449 | } | |
fbbe92c5 SDJ |
450 | } |
451 | ||
452 | proc test_catch_syscall_with_wrong_args_noxml {} { | |
eb4ca471 | 453 | with_test_prefix "with wrong args noxml" { |
eb4ca471 | 454 | delete_breakpoints |
fbbe92c5 | 455 | |
eb4ca471 PA |
456 | # Even without XML support, GDB should not accept unknown |
457 | # syscall names for the catchpoint. | |
458 | gdb_test "catch syscall nonsense_syscall" \ | |
459 | "Unknown syscall name .nonsense_syscall.*" | |
fbbe92c5 | 460 | |
eb4ca471 PA |
461 | delete_breakpoints |
462 | } | |
fbbe92c5 SDJ |
463 | } |
464 | ||
458c8db8 SDJ |
465 | proc test_catch_syscall_multi_arch {} { |
466 | global decimal binfile | |
467 | ||
468 | if { [istarget "i*86-*-*"] || [istarget "x86_64-*-*"] } { | |
469 | set arch1 "i386" | |
470 | set arch2 "i386:x86-64" | |
471 | set syscall1_name "exit" | |
472 | set syscall2_name "write" | |
473 | set syscall_number 1 | |
474 | } elseif { [istarget "powerpc-*-linux*"] \ | |
475 | || [istarget "powerpc64-*-linux*"] } { | |
476 | set arch1 "powerpc:common" | |
477 | set arch2 "powerpc:common64" | |
478 | set syscall1_name "openat" | |
479 | set syscall2_name "unlinkat" | |
480 | set syscall_number 286 | |
481 | } elseif { [istarget "sparc-*-linux*"] \ | |
482 | || [istarget "sparc64-*-linux*"] } { | |
483 | set arch1 "sparc" | |
484 | set arch2 "sparc:v9" | |
485 | set syscall1_name "setresuid32" | |
486 | set syscall2_name "setresuid" | |
487 | set syscall_number 108 | |
488 | } elseif { [istarget "mips*-linux*"] } { | |
489 | # MIPS does not use the same numbers for syscalls on 32 and 64 | |
490 | # bits. | |
491 | verbose "Not testing MIPS for multi-arch syscall support" | |
492 | return | |
493 | } elseif { [istarget "arm*-linux*"] } { | |
494 | # catch syscall supports only 32-bit ARM for now. | |
495 | verbose "Not testing ARM for multi-arch syscall support" | |
496 | return | |
f68f11b7 | 497 | } elseif { [istarget "aarch64*-linux*"] } { |
fbd8d50d YQ |
498 | set arch1 "aarch64" |
499 | set arch2 "arm" | |
500 | set syscall1_name "reboot" | |
501 | set syscall2_name "_newselect" | |
502 | set syscall_number 142 | |
458c8db8 | 503 | } elseif { [istarget "s390*-linux*"] } { |
6d74a497 | 504 | set arch1 "s390:31-bit" |
458c8db8 SDJ |
505 | set arch2 "s390:64-bit" |
506 | set syscall1_name "_newselect" | |
507 | set syscall2_name "select" | |
508 | set syscall_number 142 | |
509 | } | |
510 | ||
511 | with_test_prefix "multiple targets" { | |
512 | # We are not interested in loading any binary here, and in | |
513 | # some systems (PowerPC, for example), if we load a binary | |
514 | # there is no way to set other architecture. | |
515 | gdb_exit | |
516 | gdb_start | |
517 | ||
518 | gdb_test "set architecture $arch1" \ | |
519 | "The target architecture is assumed to be $arch1" \ | |
520 | "set arch to $arch1" | |
521 | ||
522 | gdb_test "catch syscall $syscall_number" \ | |
523 | "Catchpoint $decimal \\(syscall .${syscall1_name}. \\\[${syscall_number}\\\]\\)" \ | |
524 | "insert catch syscall on syscall $syscall_number -- $syscall1_name on $arch1" | |
525 | ||
526 | gdb_test "set architecture $arch2" \ | |
527 | "The target architecture is assumed to be $arch2" \ | |
528 | "set arch to $arch2" | |
529 | ||
530 | gdb_test "catch syscall $syscall_number" \ | |
531 | "Catchpoint $decimal \\(syscall .${syscall2_name}. \\\[${syscall_number}\\\]\\)" \ | |
532 | "insert catch syscall on syscall $syscall_number -- $syscall2_name on $arch2" | |
533 | ||
534 | clean_restart $binfile | |
535 | } | |
536 | } | |
537 | ||
fbbe92c5 | 538 | proc do_syscall_tests_without_xml {} { |
fc30d5e0 PA |
539 | # Make sure GDB doesn't load the syscalls xml from the system data |
540 | # directory. | |
8d551b02 DE |
541 | gdb_test "set data-directory /the/path/to/nowhere" \ |
542 | "Warning: /the/path/to/nowhere: .*" | |
fbbe92c5 | 543 | |
bccd0dd2 | 544 | # Let's test if we can catch syscalls without XML support. |
fbbe92c5 SDJ |
545 | # We should succeed, but GDB is not supposed to print syscall names. |
546 | if [runto_main] then { test_catch_syscall_without_args_noxml } | |
547 | ||
548 | # The only valid argument "catch syscall" should accept is the | |
549 | # syscall number, and not the name (since it can't translate a | |
550 | # name to a number). | |
fbbe92c5 SDJ |
551 | if [runto_main] then { test_catch_syscall_with_args_noxml } |
552 | ||
553 | # Now, we'll try to provide a syscall name (valid or not) to the command, | |
554 | # and expect it to fail. | |
555 | if [runto_main] then { test_catch_syscall_with_wrong_args_noxml } | |
556 | } | |
557 | ||
558 | # This procedure fills the vector "all_syscalls_numbers" with the proper | |
559 | # numbers for the used syscalls according to the architecture. | |
560 | proc fill_all_syscalls_numbers {} { | |
bfd09d20 | 561 | global all_syscalls_numbers last_syscall_number unknown_syscall_number all_syscalls |
4924df79 GKB |
562 | |
563 | foreach syscall $all_syscalls { | |
564 | lappend all_syscalls_numbers [get_integer_valueof "${syscall}_syscall" -1] | |
565 | } | |
fbbe92c5 | 566 | |
2e0d821f | 567 | set last_syscall_number [get_integer_valueof "exit_group_syscall" -1] |
bfd09d20 | 568 | set unknown_syscall_number [get_integer_valueof "unknown_syscall" -1] |
2e0d821f | 569 | } |
fbbe92c5 | 570 | |
f68f11b7 YQ |
571 | # Set up the vector all_syscalls. |
572 | ||
573 | proc setup_all_syscalls {} { | |
574 | global all_syscalls | |
575 | global gdb_prompt | |
576 | ||
577 | # They are ordered according to the file, so do not change this. | |
578 | lappend all_syscalls "close" | |
579 | lappend all_syscalls "chroot" | |
580 | ||
581 | # SYS_pipe doesn't exist on aarch64 kernel. | |
582 | set test "check SYS_pipe" | |
583 | gdb_test_multiple "p pipe_syscall" $test { | |
584 | -re " = .*$gdb_prompt $" { | |
585 | pass $test | |
586 | lappend all_syscalls "pipe" | |
587 | } | |
588 | -re "No symbol .*$gdb_prompt $" { | |
589 | pass $test | |
590 | # SYS_pipe isn't defined, use SYS_pipe2 instead. | |
591 | lappend all_syscalls "pipe2" | |
592 | } | |
593 | } | |
594 | ||
595 | lappend all_syscalls "write" | |
596 | lappend all_syscalls "read" | |
597 | } | |
598 | ||
599 | setup_all_syscalls | |
600 | ||
2e0d821f SDJ |
601 | # Fill all the syscalls numbers before starting anything. |
602 | fill_all_syscalls_numbers | |
fbbe92c5 SDJ |
603 | |
604 | # Execute the tests, using XML support | |
1e76a7e9 | 605 | gdb_exit |
2e0d821f SDJ |
606 | if { ![gdb_skip_xml_test] } { |
607 | clean_restart $binfile | |
bccd0dd2 SDJ |
608 | do_syscall_tests |
609 | ||
610 | # Now, we have to see if GDB displays a warning when we | |
611 | # don't set the data-directory but try to use catch syscall | |
612 | # anyway. For that, we must restart GDB first. | |
2e0d821f | 613 | clean_restart $binfile |
bccd0dd2 SDJ |
614 | test_catch_syscall_fail_nodatadir |
615 | } | |
fbbe92c5 SDJ |
616 | |
617 | # Restart gdb | |
2e0d821f | 618 | clean_restart $binfile |
fbbe92c5 SDJ |
619 | |
620 | # Execute the tests, without XML support. In this case, GDB will | |
621 | # only display syscall numbers, and not syscall names. | |
622 | do_syscall_tests_without_xml |