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32d0add0 | 1 | # Copyright 1997-2015 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 | |
74cf1395 | 16 | |
33c3e192 FF |
17 | # On HP-UX 11.0, this test is causing a process running the program |
18 | # "attach" to be left around spinning. Until we figure out why, I am | |
19 | # commenting out the test to avoid polluting tiamat (our 11.0 nightly | |
20 | # test machine) with these processes. RT | |
21 | # | |
22 | # Setting the magic bit in the target app should work. I added a | |
23 | # "kill", and also a test for the R3 register warning. JB | |
24 | if { [istarget "hppa*-*-hpux*"] } { | |
25 | return 0 | |
26 | } | |
74cf1395 | 27 | |
60b3033e | 28 | if {![can_spawn_for_attach]} { |
74cf1395 JM |
29 | return 0 |
30 | } | |
31 | ||
a64d2530 TT |
32 | standard_testfile attach.c attach2.c |
33 | set binfile2 ${binfile}2 | |
34 | set escapedbinfile [string_to_regexp $binfile] | |
74cf1395 JM |
35 | |
36 | #execute_anywhere "rm -f ${binfile} ${binfile2}" | |
37 | remote_exec build "rm -f ${binfile} ${binfile2}" | |
38 | # For debugging this test | |
39 | # | |
40 | #log_user 1 | |
41 | ||
74cf1395 JM |
42 | # build the first test case |
43 | # | |
44 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
b60f0898 JB |
45 | untested attach.exp |
46 | return -1 | |
74cf1395 JM |
47 | } |
48 | ||
74cf1395 JM |
49 | # Build the in-system-call test |
50 | ||
51 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } { | |
b60f0898 JB |
52 | untested attach.exp |
53 | return -1 | |
74cf1395 JM |
54 | } |
55 | ||
4c93b1db | 56 | if [get_compiler_info] { |
74cf1395 JM |
57 | return -1 |
58 | } | |
59 | ||
60 | proc do_attach_tests {} { | |
1279f4ff AC |
61 | global gdb_prompt |
62 | global binfile | |
63 | global escapedbinfile | |
64 | global srcfile | |
65 | global testfile | |
1279f4ff AC |
66 | global subdir |
67 | global timeout | |
68 | ||
1586c8fb GB |
69 | # Figure out a regular expression that will match the sysroot, |
70 | # noting that the default sysroot is "target:", and also noting | |
71 | # that GDB will strip "target:" from the start of filenames when | |
72 | # operating on the local filesystem | |
73 | set sysroot "" | |
74 | set test "show sysroot" | |
75 | gdb_test_multiple $test $test { | |
76 | -re "The current system root is \"(.*)\"\..*${gdb_prompt} $" { | |
77 | set sysroot $expect_out(1,string) | |
78 | } | |
79 | } | |
80 | regsub "^target:" "$sysroot" "(target:)?" sysroot | |
81 | ||
1279f4ff AC |
82 | # Start the program running and then wait for a bit, to be sure |
83 | # that it can be attached to. | |
84 | ||
2c8c5d37 PA |
85 | set test_spawn_id [spawn_wait_for_attach $binfile] |
86 | set testpid [spawn_id_get_pid $test_spawn_id] | |
1279f4ff AC |
87 | |
88 | # Verify that we cannot attach to nonsense. | |
89 | ||
8b1b3228 AC |
90 | set test "attach to nonsense is prohibited" |
91 | gdb_test_multiple "attach abc" "$test" { | |
74164c56 JK |
92 | -re "Illegal process-id: abc\\.\r\n$gdb_prompt $" { |
93 | pass "$test" | |
94 | } | |
95 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { | |
96 | # Response expected from /proc-based systems. | |
97 | pass "$test" | |
98 | } | |
99 | -re "Can't attach to process..*$gdb_prompt $" { | |
100 | # Response expected on Cygwin | |
101 | pass "$test" | |
102 | } | |
103 | -re "Attaching to.*$gdb_prompt $" { | |
104 | fail "$test (bogus pid allowed)" | |
105 | } | |
106 | } | |
107 | ||
108 | # Verify that we cannot attach to nonsense even if its initial part is | |
109 | # a valid PID. | |
110 | ||
111 | set test "attach to digits-starting nonsense is prohibited" | |
112 | gdb_test_multiple "attach ${testpid}x" "$test" { | |
113 | -re "Illegal process-id: ${testpid}x\\.\r\n$gdb_prompt $" { | |
8b1b3228 | 114 | pass "$test" |
1279f4ff AC |
115 | } |
116 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { | |
117 | # Response expected from /proc-based systems. | |
8b1b3228 | 118 | pass "$test" |
1279f4ff | 119 | } |
8b1b3228 | 120 | -re "Can't attach to process..*$gdb_prompt $" { |
1279f4ff | 121 | # Response expected on Cygwin |
8b1b3228 | 122 | pass "$test" |
1279f4ff AC |
123 | } |
124 | -re "Attaching to.*$gdb_prompt $" { | |
8b1b3228 | 125 | fail "$test (bogus pid allowed)" |
1279f4ff AC |
126 | } |
127 | } | |
128 | ||
129 | # Verify that we cannot attach to what appears to be a valid | |
130 | # process ID, but is a process that doesn't exist. Traditionally, | |
131 | # most systems didn't have a process with ID 0, so we take that as | |
132 | # the default. However, there are a few exceptions. | |
133 | ||
134 | set boguspid 0 | |
135 | if { [istarget "*-*-*bsd*"] } { | |
136 | # In FreeBSD 5.0, PID 0 is used for "swapper". Use -1 instead | |
137 | # (which should have the desired effect on any version of | |
138 | # FreeBSD, and probably other *BSD's too). | |
139 | set boguspid -1 | |
140 | } | |
8b1b3228 AC |
141 | set test "attach to nonexistent process is prohibited" |
142 | gdb_test_multiple "attach $boguspid" "$test" { | |
1279f4ff AC |
143 | -re "Attaching to.*, process $boguspid.*No such process.*$gdb_prompt $" { |
144 | # Response expected on ptrace-based systems (i.e. HP-UX 10.20). | |
8b1b3228 | 145 | pass "$test" |
1279f4ff AC |
146 | } |
147 | -re "Attaching to.*, process $boguspid failed.*Hint.*$gdb_prompt $" { | |
148 | # Response expected on ttrace-based systems (i.e. HP-UX 11.0). | |
8b1b3228 | 149 | pass "$test" |
1279f4ff AC |
150 | } |
151 | -re "Attaching to.*, process $boguspid.*denied.*$gdb_prompt $" { | |
8b1b3228 | 152 | pass "$test" |
1279f4ff AC |
153 | } |
154 | -re "Attaching to.*, process $boguspid.*not permitted.*$gdb_prompt $" { | |
8b1b3228 | 155 | pass "$test" |
1279f4ff AC |
156 | } |
157 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { | |
158 | # Response expected from /proc-based systems. | |
8b1b3228 | 159 | pass "$test" |
1279f4ff | 160 | } |
8b1b3228 | 161 | -re "Can't attach to process..*$gdb_prompt $" { |
1279f4ff | 162 | # Response expected on Cygwin |
8b1b3228 | 163 | pass "$test" |
1279f4ff | 164 | } |
7cee1e54 PA |
165 | -re "Attaching to.*, process $boguspid.*failed.*$gdb_prompt $" { |
166 | # Response expected on the extended-remote target. | |
167 | pass "$test" | |
168 | } | |
1279f4ff AC |
169 | } |
170 | ||
171 | # Verify that we can attach to the process by first giving its | |
172 | # executable name via the file command, and using attach with the | |
173 | # process ID. | |
174 | ||
175 | # (Actually, the test system appears to do this automatically for | |
176 | # us. So, we must also be prepared to be asked if we want to | |
177 | # discard an existing set of symbols.) | |
178 | ||
8b1b3228 AC |
179 | set test "set file, before attach1" |
180 | gdb_test_multiple "file $binfile" "$test" { | |
181 | -re "Load new symbol table from.*y or n. $" { | |
182 | gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \ | |
183 | "$test (re-read)" | |
1279f4ff AC |
184 | } |
185 | -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" { | |
8b1b3228 | 186 | pass "$test" |
1279f4ff AC |
187 | } |
188 | } | |
189 | ||
8b1b3228 AC |
190 | set test "attach1, after setting file" |
191 | gdb_test_multiple "attach $testpid" "$test" { | |
1279f4ff | 192 | -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $" { |
8b1b3228 | 193 | pass "$test" |
1279f4ff AC |
194 | } |
195 | -re "Attaching to program.*`?$escapedbinfile\.exe'?, process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" { | |
196 | # Response expected on Cygwin | |
8b1b3228 | 197 | pass "$test" |
1279f4ff AC |
198 | } |
199 | } | |
200 | ||
201 | # Verify that we can "see" the variable "should_exit" in the | |
202 | # program, and that it is zero. | |
203 | ||
8b1b3228 | 204 | gdb_test "print should_exit" " = 0" "after attach1, print should_exit" |
1279f4ff AC |
205 | |
206 | # Detach the process. | |
207 | ||
8b1b3228 AC |
208 | gdb_test "detach" \ |
209 | "Detaching from program: .*$escapedbinfile, process $testpid" \ | |
210 | "attach1 detach" | |
1279f4ff AC |
211 | |
212 | # Wait a bit for gdb to finish detaching | |
213 | ||
214 | exec sleep 5 | |
215 | ||
216 | # Purge the symbols from gdb's brain. (We want to be certain the | |
217 | # next attach, which won't be preceded by a "file" command, is | |
218 | # really getting the executable file without our help.) | |
219 | ||
220 | set old_timeout $timeout | |
221 | set timeout 15 | |
8b1b3228 AC |
222 | set test "attach1, purging symbols after detach" |
223 | gdb_test_multiple "file" "$test" { | |
224 | -re "No executable file now.*Discard symbol table.*y or n. $" { | |
225 | gdb_test "y" "No symbol file now." "$test" | |
1279f4ff AC |
226 | } |
227 | } | |
228 | set timeout $old_timeout | |
229 | ||
230 | # Verify that we can attach to the process just by giving the | |
231 | # process ID. | |
232 | ||
7cee1e54 PA |
233 | set test "attach2, with no file" |
234 | set found_exec_file 0 | |
8b1b3228 | 235 | gdb_test_multiple "attach $testpid" "$test" { |
1586c8fb | 236 | -re "Attaching to process $testpid.*Load new symbol table from \"$sysroot$escapedbinfile\.exe\".*y or n. $" { |
1279f4ff AC |
237 | # On Cygwin, the DLL's symbol tables are loaded prior to the |
238 | # executable's symbol table. This in turn always results in | |
239 | # asking the user for actually loading the symbol table of the | |
240 | # executable. | |
1586c8fb | 241 | gdb_test "y" "Reading symbols from $sysroot$escapedbinfile\.\.\.*done." \ |
8b1b3228 | 242 | "$test (reset file)" |
7cee1e54 PA |
243 | |
244 | set found_exec_file 1 | |
1279f4ff | 245 | } |
1586c8fb | 246 | -re "Attaching to process $testpid.*Reading symbols from $sysroot$escapedbinfile.*main.*at .*$gdb_prompt $" { |
8b1b3228 | 247 | pass "$test" |
7cee1e54 PA |
248 | set found_exec_file 1 |
249 | } | |
250 | } | |
251 | ||
252 | if {$found_exec_file == 0} { | |
253 | set test "load file manually, after attach2" | |
254 | gdb_test_multiple "file $binfile" "$test" { | |
255 | -re "A program is being debugged already..*Are you sure you want to change the file.*y or n. $" { | |
256 | gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \ | |
257 | "$test (re-read)" | |
258 | } | |
259 | -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" { | |
260 | pass "$test" | |
261 | } | |
1279f4ff AC |
262 | } |
263 | } | |
264 | ||
265 | # Verify that we can modify the variable "should_exit" in the | |
266 | # program. | |
267 | ||
27d3a1a2 | 268 | gdb_test_no_output "set should_exit=1" "after attach2, set should_exit" |
1279f4ff AC |
269 | |
270 | # Verify that the modification really happened. | |
271 | ||
1cf2f1b0 JK |
272 | gdb_breakpoint [gdb_get_line_number "postloop"] temporary |
273 | gdb_continue_to_breakpoint "postloop" ".* postloop .*" | |
1279f4ff AC |
274 | |
275 | # Allow the test process to exit, to cleanup after ourselves. | |
276 | ||
fda326dd | 277 | gdb_continue_to_end "after attach2, exit" |
1279f4ff AC |
278 | |
279 | # Make sure we don't leave a process around to confuse | |
280 | # the next test run (and prevent the compile by keeping | |
281 | # the text file busy), in case the "set should_exit" didn't | |
282 | # work. | |
8b1b3228 | 283 | |
2c8c5d37 PA |
284 | kill_wait_spawned_process $test_spawn_id |
285 | ||
286 | set test_spawn_id [spawn_wait_for_attach $binfile] | |
287 | set testpid [spawn_id_get_pid $test_spawn_id] | |
1279f4ff AC |
288 | |
289 | # Verify that we can attach to the process, and find its a.out | |
290 | # when we're cd'd to some directory that doesn't contain the | |
291 | # a.out. (We use the source path set by the "dir" command.) | |
292 | ||
a64d2530 | 293 | gdb_test "dir [standard_output_file {}]" "Source directories searched: .*" \ |
8b1b3228 | 294 | "set source path" |
1279f4ff | 295 | |
8b1b3228 AC |
296 | gdb_test "cd /tmp" "Working directory /tmp." \ |
297 | "cd away from process working directory" | |
1279f4ff AC |
298 | |
299 | # Explicitly flush out any knowledge of the previous attachment. | |
1279f4ff | 300 | |
8b1b3228 | 301 | set test "before attach3, flush symbols" |
6c95b8df | 302 | gdb_test_multiple "symbol-file" "$test" { |
8b1b3228 AC |
303 | -re "Discard symbol table from.*y or n. $" { |
304 | gdb_test "y" "No symbol file now." \ | |
305 | "$test" | |
1279f4ff | 306 | } |
8b1b3228 AC |
307 | -re "No symbol file now.*$gdb_prompt $" { |
308 | pass "$test" | |
1279f4ff AC |
309 | } |
310 | } | |
311 | ||
8b1b3228 AC |
312 | gdb_test "exec" "No executable file now." \ |
313 | "before attach3, flush exec" | |
314 | ||
315 | gdb_test "attach $testpid" \ | |
1586c8fb | 316 | "Attaching to process $testpid.*Reading symbols from $sysroot$escapedbinfile.*main.*at .*" \ |
8b1b3228 AC |
317 | "attach when process' a.out not in cwd" |
318 | ||
319 | set test "after attach3, exit" | |
dfb88a23 MS |
320 | gdb_test "kill" \ |
321 | "" \ | |
322 | "$test" \ | |
323 | "Kill the program being debugged.*y or n. $" \ | |
324 | "y" | |
1279f4ff AC |
325 | |
326 | # Another "don't leave a process around" | |
2c8c5d37 | 327 | kill_wait_spawned_process $test_spawn_id |
74cf1395 JM |
328 | } |
329 | ||
330 | proc do_call_attach_tests {} { | |
1279f4ff AC |
331 | global gdb_prompt |
332 | global binfile2 | |
333 | ||
2c8c5d37 PA |
334 | set test_spawn_id [spawn_wait_for_attach $binfile2] |
335 | set testpid [spawn_id_get_pid $test_spawn_id] | |
1279f4ff AC |
336 | |
337 | # Attach | |
338 | ||
f6978de9 | 339 | gdb_test "file $binfile2" ".*" "force switch to gdb64, if necessary" |
8b1b3228 AC |
340 | set test "attach call" |
341 | gdb_test_multiple "attach $testpid" "$test" { | |
342 | -re "warning: reading register.*I.*O error.*$gdb_prompt $" { | |
343 | fail "$test (read register error)" | |
1279f4ff AC |
344 | } |
345 | -re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" { | |
8b1b3228 | 346 | pass "$test" |
1279f4ff AC |
347 | } |
348 | -re "Attaching to.*process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" { | |
8b1b3228 | 349 | pass "$test" |
1279f4ff AC |
350 | } |
351 | } | |
352 | ||
353 | # See if other registers are problems | |
354 | ||
8b1b3228 AC |
355 | set test "info other register" |
356 | gdb_test_multiple "i r r3" "$test" { | |
357 | -re "warning: reading register.*$gdb_prompt $" { | |
358 | fail "$test" | |
1279f4ff | 359 | } |
8b1b3228 AC |
360 | -re "r3.*$gdb_prompt $" { |
361 | pass "$test" | |
1279f4ff | 362 | } |
1279f4ff | 363 | } |
74cf1395 | 364 | |
1279f4ff AC |
365 | # Get rid of the process |
366 | ||
8b1b3228 | 367 | gdb_test "p should_exit = 1" |
fda326dd | 368 | gdb_continue_to_end |
1279f4ff AC |
369 | |
370 | # Be paranoid | |
371 | ||
2c8c5d37 | 372 | kill_wait_spawned_process $test_spawn_id |
74cf1395 JM |
373 | } |
374 | ||
ccdd1909 HZ |
375 | proc do_command_attach_tests {} { |
376 | global gdb_prompt | |
377 | global binfile | |
378 | global verbose | |
379 | global GDB | |
380 | global INTERNAL_GDBFLAGS | |
381 | global GDBFLAGS | |
382 | ||
383 | if ![isnative] then { | |
384 | unsupported "command attach test" | |
385 | return 0 | |
386 | } | |
387 | ||
2c8c5d37 PA |
388 | set test_spawn_id [spawn_wait_for_attach $binfile] |
389 | set testpid [spawn_id_get_pid $test_spawn_id] | |
ccdd1909 HZ |
390 | |
391 | gdb_exit | |
ccdd1909 | 392 | |
2c8c5d37 | 393 | set res [gdb_spawn_with_cmdline_opts "--pid=$testpid"] |
ccdd1909 | 394 | set test "starting with --pid" |
2c8c5d37 | 395 | gdb_test_multiple "" $test { |
ccdd1909 HZ |
396 | -re "Reading symbols from.*$gdb_prompt $" { |
397 | pass "$test" | |
398 | } | |
ccdd1909 HZ |
399 | } |
400 | ||
401 | # Get rid of the process | |
2c8c5d37 | 402 | kill_wait_spawned_process $test_spawn_id |
ccdd1909 HZ |
403 | } |
404 | ||
98880d46 PA |
405 | # Test ' gdb --pid PID -ex "run" '. GDB used to have a bug where |
406 | # "run" would run before the attach finished - PR17347. | |
407 | ||
408 | proc test_command_line_attach_run {} { | |
409 | global gdb_prompt | |
410 | global binfile | |
411 | ||
412 | if ![isnative] then { | |
413 | unsupported "commandline attach run test" | |
414 | return 0 | |
415 | } | |
416 | ||
417 | with_test_prefix "cmdline attach run" { | |
2c8c5d37 PA |
418 | set test_spawn_id [spawn_wait_for_attach $binfile] |
419 | set testpid [spawn_id_get_pid $test_spawn_id] | |
98880d46 PA |
420 | |
421 | set test "run to prompt" | |
422 | gdb_exit | |
423 | ||
424 | set res [gdb_spawn_with_cmdline_opts \ | |
425 | "-iex \"set height 0\" -iex \"set width 0\" --pid=$testpid -ex \"start\""] | |
426 | if { $res != 0} { | |
427 | fail $test | |
2c8c5d37 | 428 | kill_wait_spawned_process $test_spawn_id |
98880d46 PA |
429 | return $res |
430 | } | |
431 | gdb_test_multiple "" $test { | |
432 | -re {Attaching to.*Start it from the beginning\? \(y or n\) } { | |
433 | pass $test | |
434 | } | |
435 | } | |
436 | ||
437 | send_gdb "y\n" | |
438 | ||
439 | set test "run to main" | |
440 | gdb_test_multiple "" $test { | |
441 | -re "Temporary breakpoint .* main .*$gdb_prompt $" { | |
442 | pass $test | |
443 | } | |
444 | } | |
445 | ||
446 | # Get rid of the process | |
2c8c5d37 | 447 | kill_wait_spawned_process $test_spawn_id |
98880d46 PA |
448 | } |
449 | } | |
74cf1395 JM |
450 | |
451 | # Start with a fresh gdb | |
1279f4ff | 452 | |
74cf1395 JM |
453 | gdb_exit |
454 | gdb_start | |
455 | gdb_reinitialize_dir $srcdir/$subdir | |
456 | gdb_load ${binfile} | |
457 | ||
458 | # This is a test of gdb's ability to attach to a running process. | |
1279f4ff | 459 | |
74cf1395 JM |
460 | do_attach_tests |
461 | ||
462 | # Test attaching when the target is inside a system call | |
1279f4ff | 463 | |
74cf1395 JM |
464 | gdb_exit |
465 | gdb_start | |
466 | ||
74cf1395 JM |
467 | gdb_reinitialize_dir $srcdir/$subdir |
468 | do_call_attach_tests | |
469 | ||
ccdd1909 HZ |
470 | # Test "gdb --pid" |
471 | ||
472 | do_command_attach_tests | |
473 | ||
98880d46 PA |
474 | test_command_line_attach_run |
475 | ||
74cf1395 | 476 | return 0 |