Commit | Line | Data |
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e2882c85 | 1 | # Copyright 1997-2018 Free Software Foundation, Inc. |
74cf1395 JM |
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 | |
e22f8b7c | 5 | # the Free Software Foundation; either version 3 of the License, or |
74cf1395 | 6 | # (at your option) any later version. |
e22f8b7c | 7 | # |
74cf1395 JM |
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. | |
e22f8b7c | 12 | # |
74cf1395 | 13 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
74cf1395 | 15 | |
60b3033e | 16 | if {![can_spawn_for_attach]} { |
74cf1395 JM |
17 | return 0 |
18 | } | |
19 | ||
a64d2530 TT |
20 | standard_testfile attach.c attach2.c |
21 | set binfile2 ${binfile}2 | |
22 | set escapedbinfile [string_to_regexp $binfile] | |
74cf1395 JM |
23 | |
24 | #execute_anywhere "rm -f ${binfile} ${binfile2}" | |
25 | remote_exec build "rm -f ${binfile} ${binfile2}" | |
26 | # For debugging this test | |
27 | # | |
28 | #log_user 1 | |
29 | ||
74cf1395 JM |
30 | # build the first test case |
31 | # | |
32 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
84c93cd5 | 33 | untested "failed to compile" |
b60f0898 | 34 | return -1 |
74cf1395 JM |
35 | } |
36 | ||
74cf1395 JM |
37 | # Build the in-system-call test |
38 | ||
39 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } { | |
84c93cd5 | 40 | untested "failed to compile in-system-call test" |
b60f0898 | 41 | return -1 |
74cf1395 JM |
42 | } |
43 | ||
4c93b1db | 44 | if [get_compiler_info] { |
74cf1395 JM |
45 | return -1 |
46 | } | |
47 | ||
48 | proc do_attach_tests {} { | |
1279f4ff AC |
49 | global gdb_prompt |
50 | global binfile | |
51 | global escapedbinfile | |
52 | global srcfile | |
53 | global testfile | |
1279f4ff AC |
54 | global subdir |
55 | global timeout | |
56 | ||
1586c8fb GB |
57 | # Figure out a regular expression that will match the sysroot, |
58 | # noting that the default sysroot is "target:", and also noting | |
59 | # that GDB will strip "target:" from the start of filenames when | |
d4d38844 YQ |
60 | # operating on the local filesystem. However the default sysroot |
61 | # can be set via configure option --with-sysroot, which can be "/". | |
62 | # If $binfile is a absolute path, so pattern | |
63 | # "$sysroot$escapedbinfile" below is wrong. Use [^\r\n]* to make | |
64 | # $sysroot simple. | |
65 | set sysroot "\[^\r\n\]*" | |
1586c8fb | 66 | |
1279f4ff AC |
67 | # Start the program running and then wait for a bit, to be sure |
68 | # that it can be attached to. | |
69 | ||
2c8c5d37 PA |
70 | set test_spawn_id [spawn_wait_for_attach $binfile] |
71 | set testpid [spawn_id_get_pid $test_spawn_id] | |
1279f4ff AC |
72 | |
73 | # Verify that we cannot attach to nonsense. | |
74 | ||
8b1b3228 AC |
75 | set test "attach to nonsense is prohibited" |
76 | gdb_test_multiple "attach abc" "$test" { | |
74164c56 JK |
77 | -re "Illegal process-id: abc\\.\r\n$gdb_prompt $" { |
78 | pass "$test" | |
79 | } | |
80 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { | |
81 | # Response expected from /proc-based systems. | |
82 | pass "$test" | |
83 | } | |
84 | -re "Can't attach to process..*$gdb_prompt $" { | |
85 | # Response expected on Cygwin | |
86 | pass "$test" | |
87 | } | |
88 | -re "Attaching to.*$gdb_prompt $" { | |
89 | fail "$test (bogus pid allowed)" | |
90 | } | |
91 | } | |
92 | ||
93 | # Verify that we cannot attach to nonsense even if its initial part is | |
94 | # a valid PID. | |
95 | ||
96 | set test "attach to digits-starting nonsense is prohibited" | |
97 | gdb_test_multiple "attach ${testpid}x" "$test" { | |
98 | -re "Illegal process-id: ${testpid}x\\.\r\n$gdb_prompt $" { | |
8b1b3228 | 99 | pass "$test" |
1279f4ff AC |
100 | } |
101 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { | |
102 | # Response expected from /proc-based systems. | |
8b1b3228 | 103 | pass "$test" |
1279f4ff | 104 | } |
8b1b3228 | 105 | -re "Can't attach to process..*$gdb_prompt $" { |
1279f4ff | 106 | # Response expected on Cygwin |
8b1b3228 | 107 | pass "$test" |
1279f4ff AC |
108 | } |
109 | -re "Attaching to.*$gdb_prompt $" { | |
8b1b3228 | 110 | fail "$test (bogus pid allowed)" |
1279f4ff AC |
111 | } |
112 | } | |
113 | ||
114 | # Verify that we cannot attach to what appears to be a valid | |
115 | # process ID, but is a process that doesn't exist. Traditionally, | |
116 | # most systems didn't have a process with ID 0, so we take that as | |
117 | # the default. However, there are a few exceptions. | |
118 | ||
119 | set boguspid 0 | |
120 | if { [istarget "*-*-*bsd*"] } { | |
121 | # In FreeBSD 5.0, PID 0 is used for "swapper". Use -1 instead | |
122 | # (which should have the desired effect on any version of | |
123 | # FreeBSD, and probably other *BSD's too). | |
124 | set boguspid -1 | |
125 | } | |
8b1b3228 AC |
126 | set test "attach to nonexistent process is prohibited" |
127 | gdb_test_multiple "attach $boguspid" "$test" { | |
1279f4ff AC |
128 | -re "Attaching to.*, process $boguspid.*No such process.*$gdb_prompt $" { |
129 | # Response expected on ptrace-based systems (i.e. HP-UX 10.20). | |
8b1b3228 | 130 | pass "$test" |
1279f4ff AC |
131 | } |
132 | -re "Attaching to.*, process $boguspid failed.*Hint.*$gdb_prompt $" { | |
133 | # Response expected on ttrace-based systems (i.e. HP-UX 11.0). | |
8b1b3228 | 134 | pass "$test" |
1279f4ff AC |
135 | } |
136 | -re "Attaching to.*, process $boguspid.*denied.*$gdb_prompt $" { | |
8b1b3228 | 137 | pass "$test" |
1279f4ff AC |
138 | } |
139 | -re "Attaching to.*, process $boguspid.*not permitted.*$gdb_prompt $" { | |
8b1b3228 | 140 | pass "$test" |
1279f4ff AC |
141 | } |
142 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { | |
143 | # Response expected from /proc-based systems. | |
8b1b3228 | 144 | pass "$test" |
1279f4ff | 145 | } |
8b1b3228 | 146 | -re "Can't attach to process..*$gdb_prompt $" { |
1279f4ff | 147 | # Response expected on Cygwin |
8b1b3228 | 148 | pass "$test" |
1279f4ff | 149 | } |
7cee1e54 PA |
150 | -re "Attaching to.*, process $boguspid.*failed.*$gdb_prompt $" { |
151 | # Response expected on the extended-remote target. | |
152 | pass "$test" | |
153 | } | |
1279f4ff AC |
154 | } |
155 | ||
156 | # Verify that we can attach to the process by first giving its | |
157 | # executable name via the file command, and using attach with the | |
158 | # process ID. | |
159 | ||
160 | # (Actually, the test system appears to do this automatically for | |
161 | # us. So, we must also be prepared to be asked if we want to | |
162 | # discard an existing set of symbols.) | |
163 | ||
8b1b3228 AC |
164 | set test "set file, before attach1" |
165 | gdb_test_multiple "file $binfile" "$test" { | |
166 | -re "Load new symbol table from.*y or n. $" { | |
167 | gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \ | |
168 | "$test (re-read)" | |
1279f4ff AC |
169 | } |
170 | -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" { | |
8b1b3228 | 171 | pass "$test" |
1279f4ff AC |
172 | } |
173 | } | |
174 | ||
8b1b3228 AC |
175 | set test "attach1, after setting file" |
176 | gdb_test_multiple "attach $testpid" "$test" { | |
1279f4ff | 177 | -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $" { |
8b1b3228 | 178 | pass "$test" |
1279f4ff AC |
179 | } |
180 | -re "Attaching to program.*`?$escapedbinfile\.exe'?, process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" { | |
181 | # Response expected on Cygwin | |
8b1b3228 | 182 | pass "$test" |
1279f4ff AC |
183 | } |
184 | } | |
185 | ||
186 | # Verify that we can "see" the variable "should_exit" in the | |
187 | # program, and that it is zero. | |
188 | ||
8b1b3228 | 189 | gdb_test "print should_exit" " = 0" "after attach1, print should_exit" |
1279f4ff AC |
190 | |
191 | # Detach the process. | |
192 | ||
8b1b3228 AC |
193 | gdb_test "detach" \ |
194 | "Detaching from program: .*$escapedbinfile, process $testpid" \ | |
195 | "attach1 detach" | |
1279f4ff AC |
196 | |
197 | # Wait a bit for gdb to finish detaching | |
198 | ||
199 | exec sleep 5 | |
200 | ||
201 | # Purge the symbols from gdb's brain. (We want to be certain the | |
202 | # next attach, which won't be preceded by a "file" command, is | |
203 | # really getting the executable file without our help.) | |
204 | ||
205 | set old_timeout $timeout | |
206 | set timeout 15 | |
8b1b3228 AC |
207 | set test "attach1, purging symbols after detach" |
208 | gdb_test_multiple "file" "$test" { | |
209 | -re "No executable file now.*Discard symbol table.*y or n. $" { | |
210 | gdb_test "y" "No symbol file now." "$test" | |
1279f4ff AC |
211 | } |
212 | } | |
213 | set timeout $old_timeout | |
214 | ||
215 | # Verify that we can attach to the process just by giving the | |
216 | # process ID. | |
217 | ||
7cee1e54 PA |
218 | set test "attach2, with no file" |
219 | set found_exec_file 0 | |
8b1b3228 | 220 | gdb_test_multiple "attach $testpid" "$test" { |
1586c8fb | 221 | -re "Attaching to process $testpid.*Load new symbol table from \"$sysroot$escapedbinfile\.exe\".*y or n. $" { |
1279f4ff AC |
222 | # On Cygwin, the DLL's symbol tables are loaded prior to the |
223 | # executable's symbol table. This in turn always results in | |
224 | # asking the user for actually loading the symbol table of the | |
225 | # executable. | |
1586c8fb | 226 | gdb_test "y" "Reading symbols from $sysroot$escapedbinfile\.\.\.*done." \ |
8b1b3228 | 227 | "$test (reset file)" |
7cee1e54 PA |
228 | |
229 | set found_exec_file 1 | |
1279f4ff | 230 | } |
1586c8fb | 231 | -re "Attaching to process $testpid.*Reading symbols from $sysroot$escapedbinfile.*main.*at .*$gdb_prompt $" { |
8b1b3228 | 232 | pass "$test" |
7cee1e54 PA |
233 | set found_exec_file 1 |
234 | } | |
235 | } | |
236 | ||
237 | if {$found_exec_file == 0} { | |
238 | set test "load file manually, after attach2" | |
239 | gdb_test_multiple "file $binfile" "$test" { | |
240 | -re "A program is being debugged already..*Are you sure you want to change the file.*y or n. $" { | |
241 | gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \ | |
242 | "$test (re-read)" | |
243 | } | |
244 | -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" { | |
245 | pass "$test" | |
246 | } | |
1279f4ff AC |
247 | } |
248 | } | |
249 | ||
250 | # Verify that we can modify the variable "should_exit" in the | |
251 | # program. | |
252 | ||
27d3a1a2 | 253 | gdb_test_no_output "set should_exit=1" "after attach2, set should_exit" |
1279f4ff AC |
254 | |
255 | # Verify that the modification really happened. | |
256 | ||
1cf2f1b0 JK |
257 | gdb_breakpoint [gdb_get_line_number "postloop"] temporary |
258 | gdb_continue_to_breakpoint "postloop" ".* postloop .*" | |
1279f4ff AC |
259 | |
260 | # Allow the test process to exit, to cleanup after ourselves. | |
261 | ||
fda326dd | 262 | gdb_continue_to_end "after attach2, exit" |
1279f4ff AC |
263 | |
264 | # Make sure we don't leave a process around to confuse | |
265 | # the next test run (and prevent the compile by keeping | |
266 | # the text file busy), in case the "set should_exit" didn't | |
267 | # work. | |
8b1b3228 | 268 | |
2c8c5d37 PA |
269 | kill_wait_spawned_process $test_spawn_id |
270 | ||
271 | set test_spawn_id [spawn_wait_for_attach $binfile] | |
272 | set testpid [spawn_id_get_pid $test_spawn_id] | |
1279f4ff AC |
273 | |
274 | # Verify that we can attach to the process, and find its a.out | |
275 | # when we're cd'd to some directory that doesn't contain the | |
276 | # a.out. (We use the source path set by the "dir" command.) | |
277 | ||
a64d2530 | 278 | gdb_test "dir [standard_output_file {}]" "Source directories searched: .*" \ |
8b1b3228 | 279 | "set source path" |
1279f4ff | 280 | |
8b1b3228 AC |
281 | gdb_test "cd /tmp" "Working directory /tmp." \ |
282 | "cd away from process working directory" | |
1279f4ff AC |
283 | |
284 | # Explicitly flush out any knowledge of the previous attachment. | |
1279f4ff | 285 | |
8b1b3228 | 286 | set test "before attach3, flush symbols" |
6c95b8df | 287 | gdb_test_multiple "symbol-file" "$test" { |
8b1b3228 AC |
288 | -re "Discard symbol table from.*y or n. $" { |
289 | gdb_test "y" "No symbol file now." \ | |
290 | "$test" | |
1279f4ff | 291 | } |
8b1b3228 AC |
292 | -re "No symbol file now.*$gdb_prompt $" { |
293 | pass "$test" | |
1279f4ff AC |
294 | } |
295 | } | |
296 | ||
8b1b3228 AC |
297 | gdb_test "exec" "No executable file now." \ |
298 | "before attach3, flush exec" | |
299 | ||
300 | gdb_test "attach $testpid" \ | |
1586c8fb | 301 | "Attaching to process $testpid.*Reading symbols from $sysroot$escapedbinfile.*main.*at .*" \ |
8b1b3228 AC |
302 | "attach when process' a.out not in cwd" |
303 | ||
304 | set test "after attach3, exit" | |
dfb88a23 MS |
305 | gdb_test "kill" \ |
306 | "" \ | |
307 | "$test" \ | |
308 | "Kill the program being debugged.*y or n. $" \ | |
309 | "y" | |
1279f4ff AC |
310 | |
311 | # Another "don't leave a process around" | |
2c8c5d37 | 312 | kill_wait_spawned_process $test_spawn_id |
74cf1395 JM |
313 | } |
314 | ||
315 | proc do_call_attach_tests {} { | |
1279f4ff AC |
316 | global gdb_prompt |
317 | global binfile2 | |
318 | ||
2c8c5d37 PA |
319 | set test_spawn_id [spawn_wait_for_attach $binfile2] |
320 | set testpid [spawn_id_get_pid $test_spawn_id] | |
1279f4ff AC |
321 | |
322 | # Attach | |
323 | ||
8aed1c0d | 324 | gdb_test "file $binfile2" ".*" "load file" |
8b1b3228 AC |
325 | set test "attach call" |
326 | gdb_test_multiple "attach $testpid" "$test" { | |
327 | -re "warning: reading register.*I.*O error.*$gdb_prompt $" { | |
328 | fail "$test (read register error)" | |
1279f4ff AC |
329 | } |
330 | -re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" { | |
8b1b3228 | 331 | pass "$test" |
1279f4ff AC |
332 | } |
333 | -re "Attaching to.*process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" { | |
8b1b3228 | 334 | pass "$test" |
1279f4ff AC |
335 | } |
336 | } | |
337 | ||
338 | # See if other registers are problems | |
339 | ||
8b1b3228 AC |
340 | set test "info other register" |
341 | gdb_test_multiple "i r r3" "$test" { | |
342 | -re "warning: reading register.*$gdb_prompt $" { | |
343 | fail "$test" | |
1279f4ff | 344 | } |
8b1b3228 AC |
345 | -re "r3.*$gdb_prompt $" { |
346 | pass "$test" | |
1279f4ff | 347 | } |
1279f4ff | 348 | } |
74cf1395 | 349 | |
1279f4ff AC |
350 | # Get rid of the process |
351 | ||
8b1b3228 | 352 | gdb_test "p should_exit = 1" |
fda326dd | 353 | gdb_continue_to_end |
1279f4ff AC |
354 | |
355 | # Be paranoid | |
356 | ||
2c8c5d37 | 357 | kill_wait_spawned_process $test_spawn_id |
74cf1395 JM |
358 | } |
359 | ||
ccdd1909 HZ |
360 | proc do_command_attach_tests {} { |
361 | global gdb_prompt | |
362 | global binfile | |
363 | global verbose | |
364 | global GDB | |
365 | global INTERNAL_GDBFLAGS | |
366 | global GDBFLAGS | |
367 | ||
368 | if ![isnative] then { | |
369 | unsupported "command attach test" | |
370 | return 0 | |
371 | } | |
372 | ||
2c8c5d37 PA |
373 | set test_spawn_id [spawn_wait_for_attach $binfile] |
374 | set testpid [spawn_id_get_pid $test_spawn_id] | |
ccdd1909 HZ |
375 | |
376 | gdb_exit | |
ccdd1909 | 377 | |
2c8c5d37 | 378 | set res [gdb_spawn_with_cmdline_opts "--pid=$testpid"] |
ccdd1909 | 379 | set test "starting with --pid" |
2c8c5d37 | 380 | gdb_test_multiple "" $test { |
ccdd1909 HZ |
381 | -re "Reading symbols from.*$gdb_prompt $" { |
382 | pass "$test" | |
383 | } | |
ccdd1909 HZ |
384 | } |
385 | ||
386 | # Get rid of the process | |
2c8c5d37 | 387 | kill_wait_spawned_process $test_spawn_id |
ccdd1909 HZ |
388 | } |
389 | ||
98880d46 PA |
390 | # Test ' gdb --pid PID -ex "run" '. GDB used to have a bug where |
391 | # "run" would run before the attach finished - PR17347. | |
392 | ||
393 | proc test_command_line_attach_run {} { | |
394 | global gdb_prompt | |
395 | global binfile | |
396 | ||
397 | if ![isnative] then { | |
398 | unsupported "commandline attach run test" | |
399 | return 0 | |
400 | } | |
401 | ||
402 | with_test_prefix "cmdline attach run" { | |
2c8c5d37 PA |
403 | set test_spawn_id [spawn_wait_for_attach $binfile] |
404 | set testpid [spawn_id_get_pid $test_spawn_id] | |
98880d46 PA |
405 | |
406 | set test "run to prompt" | |
407 | gdb_exit | |
408 | ||
409 | set res [gdb_spawn_with_cmdline_opts \ | |
410 | "-iex \"set height 0\" -iex \"set width 0\" --pid=$testpid -ex \"start\""] | |
411 | if { $res != 0} { | |
412 | fail $test | |
2c8c5d37 | 413 | kill_wait_spawned_process $test_spawn_id |
98880d46 PA |
414 | return $res |
415 | } | |
416 | gdb_test_multiple "" $test { | |
417 | -re {Attaching to.*Start it from the beginning\? \(y or n\) } { | |
418 | pass $test | |
419 | } | |
420 | } | |
421 | ||
422 | send_gdb "y\n" | |
423 | ||
424 | set test "run to main" | |
425 | gdb_test_multiple "" $test { | |
426 | -re "Temporary breakpoint .* main .*$gdb_prompt $" { | |
427 | pass $test | |
428 | } | |
429 | } | |
430 | ||
431 | # Get rid of the process | |
2c8c5d37 | 432 | kill_wait_spawned_process $test_spawn_id |
98880d46 PA |
433 | } |
434 | } | |
74cf1395 JM |
435 | |
436 | # Start with a fresh gdb | |
1279f4ff | 437 | |
74cf1395 JM |
438 | gdb_exit |
439 | gdb_start | |
440 | gdb_reinitialize_dir $srcdir/$subdir | |
441 | gdb_load ${binfile} | |
442 | ||
443 | # This is a test of gdb's ability to attach to a running process. | |
1279f4ff | 444 | |
74cf1395 JM |
445 | do_attach_tests |
446 | ||
447 | # Test attaching when the target is inside a system call | |
1279f4ff | 448 | |
74cf1395 JM |
449 | gdb_exit |
450 | gdb_start | |
451 | ||
74cf1395 JM |
452 | gdb_reinitialize_dir $srcdir/$subdir |
453 | do_call_attach_tests | |
454 | ||
ccdd1909 HZ |
455 | # Test "gdb --pid" |
456 | ||
457 | do_command_attach_tests | |
458 | ||
98880d46 PA |
459 | test_command_line_attach_run |
460 | ||
74cf1395 | 461 | return 0 |