Commit | Line | Data |
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61baf725 | 1 | # Copyright 1997-2017 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 | |
60 | # operating on the local filesystem | |
61 | set sysroot "" | |
62 | set test "show sysroot" | |
63 | gdb_test_multiple $test $test { | |
64 | -re "The current system root is \"(.*)\"\..*${gdb_prompt} $" { | |
65 | set sysroot $expect_out(1,string) | |
66 | } | |
67 | } | |
68 | regsub "^target:" "$sysroot" "(target:)?" sysroot | |
69 | ||
1279f4ff AC |
70 | # Start the program running and then wait for a bit, to be sure |
71 | # that it can be attached to. | |
72 | ||
2c8c5d37 PA |
73 | set test_spawn_id [spawn_wait_for_attach $binfile] |
74 | set testpid [spawn_id_get_pid $test_spawn_id] | |
1279f4ff AC |
75 | |
76 | # Verify that we cannot attach to nonsense. | |
77 | ||
8b1b3228 AC |
78 | set test "attach to nonsense is prohibited" |
79 | gdb_test_multiple "attach abc" "$test" { | |
74164c56 JK |
80 | -re "Illegal process-id: abc\\.\r\n$gdb_prompt $" { |
81 | pass "$test" | |
82 | } | |
83 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { | |
84 | # Response expected from /proc-based systems. | |
85 | pass "$test" | |
86 | } | |
87 | -re "Can't attach to process..*$gdb_prompt $" { | |
88 | # Response expected on Cygwin | |
89 | pass "$test" | |
90 | } | |
91 | -re "Attaching to.*$gdb_prompt $" { | |
92 | fail "$test (bogus pid allowed)" | |
93 | } | |
94 | } | |
95 | ||
96 | # Verify that we cannot attach to nonsense even if its initial part is | |
97 | # a valid PID. | |
98 | ||
99 | set test "attach to digits-starting nonsense is prohibited" | |
100 | gdb_test_multiple "attach ${testpid}x" "$test" { | |
101 | -re "Illegal process-id: ${testpid}x\\.\r\n$gdb_prompt $" { | |
8b1b3228 | 102 | pass "$test" |
1279f4ff AC |
103 | } |
104 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { | |
105 | # Response expected from /proc-based systems. | |
8b1b3228 | 106 | pass "$test" |
1279f4ff | 107 | } |
8b1b3228 | 108 | -re "Can't attach to process..*$gdb_prompt $" { |
1279f4ff | 109 | # Response expected on Cygwin |
8b1b3228 | 110 | pass "$test" |
1279f4ff AC |
111 | } |
112 | -re "Attaching to.*$gdb_prompt $" { | |
8b1b3228 | 113 | fail "$test (bogus pid allowed)" |
1279f4ff AC |
114 | } |
115 | } | |
116 | ||
117 | # Verify that we cannot attach to what appears to be a valid | |
118 | # process ID, but is a process that doesn't exist. Traditionally, | |
119 | # most systems didn't have a process with ID 0, so we take that as | |
120 | # the default. However, there are a few exceptions. | |
121 | ||
122 | set boguspid 0 | |
123 | if { [istarget "*-*-*bsd*"] } { | |
124 | # In FreeBSD 5.0, PID 0 is used for "swapper". Use -1 instead | |
125 | # (which should have the desired effect on any version of | |
126 | # FreeBSD, and probably other *BSD's too). | |
127 | set boguspid -1 | |
128 | } | |
8b1b3228 AC |
129 | set test "attach to nonexistent process is prohibited" |
130 | gdb_test_multiple "attach $boguspid" "$test" { | |
1279f4ff AC |
131 | -re "Attaching to.*, process $boguspid.*No such process.*$gdb_prompt $" { |
132 | # Response expected on ptrace-based systems (i.e. HP-UX 10.20). | |
8b1b3228 | 133 | pass "$test" |
1279f4ff AC |
134 | } |
135 | -re "Attaching to.*, process $boguspid failed.*Hint.*$gdb_prompt $" { | |
136 | # Response expected on ttrace-based systems (i.e. HP-UX 11.0). | |
8b1b3228 | 137 | pass "$test" |
1279f4ff AC |
138 | } |
139 | -re "Attaching to.*, process $boguspid.*denied.*$gdb_prompt $" { | |
8b1b3228 | 140 | pass "$test" |
1279f4ff AC |
141 | } |
142 | -re "Attaching to.*, process $boguspid.*not permitted.*$gdb_prompt $" { | |
8b1b3228 | 143 | pass "$test" |
1279f4ff AC |
144 | } |
145 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { | |
146 | # Response expected from /proc-based systems. | |
8b1b3228 | 147 | pass "$test" |
1279f4ff | 148 | } |
8b1b3228 | 149 | -re "Can't attach to process..*$gdb_prompt $" { |
1279f4ff | 150 | # Response expected on Cygwin |
8b1b3228 | 151 | pass "$test" |
1279f4ff | 152 | } |
7cee1e54 PA |
153 | -re "Attaching to.*, process $boguspid.*failed.*$gdb_prompt $" { |
154 | # Response expected on the extended-remote target. | |
155 | pass "$test" | |
156 | } | |
1279f4ff AC |
157 | } |
158 | ||
159 | # Verify that we can attach to the process by first giving its | |
160 | # executable name via the file command, and using attach with the | |
161 | # process ID. | |
162 | ||
163 | # (Actually, the test system appears to do this automatically for | |
164 | # us. So, we must also be prepared to be asked if we want to | |
165 | # discard an existing set of symbols.) | |
166 | ||
8b1b3228 AC |
167 | set test "set file, before attach1" |
168 | gdb_test_multiple "file $binfile" "$test" { | |
169 | -re "Load new symbol table from.*y or n. $" { | |
170 | gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \ | |
171 | "$test (re-read)" | |
1279f4ff AC |
172 | } |
173 | -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" { | |
8b1b3228 | 174 | pass "$test" |
1279f4ff AC |
175 | } |
176 | } | |
177 | ||
8b1b3228 AC |
178 | set test "attach1, after setting file" |
179 | gdb_test_multiple "attach $testpid" "$test" { | |
1279f4ff | 180 | -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $" { |
8b1b3228 | 181 | pass "$test" |
1279f4ff AC |
182 | } |
183 | -re "Attaching to program.*`?$escapedbinfile\.exe'?, process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" { | |
184 | # Response expected on Cygwin | |
8b1b3228 | 185 | pass "$test" |
1279f4ff AC |
186 | } |
187 | } | |
188 | ||
189 | # Verify that we can "see" the variable "should_exit" in the | |
190 | # program, and that it is zero. | |
191 | ||
8b1b3228 | 192 | gdb_test "print should_exit" " = 0" "after attach1, print should_exit" |
1279f4ff AC |
193 | |
194 | # Detach the process. | |
195 | ||
8b1b3228 AC |
196 | gdb_test "detach" \ |
197 | "Detaching from program: .*$escapedbinfile, process $testpid" \ | |
198 | "attach1 detach" | |
1279f4ff AC |
199 | |
200 | # Wait a bit for gdb to finish detaching | |
201 | ||
202 | exec sleep 5 | |
203 | ||
204 | # Purge the symbols from gdb's brain. (We want to be certain the | |
205 | # next attach, which won't be preceded by a "file" command, is | |
206 | # really getting the executable file without our help.) | |
207 | ||
208 | set old_timeout $timeout | |
209 | set timeout 15 | |
8b1b3228 AC |
210 | set test "attach1, purging symbols after detach" |
211 | gdb_test_multiple "file" "$test" { | |
212 | -re "No executable file now.*Discard symbol table.*y or n. $" { | |
213 | gdb_test "y" "No symbol file now." "$test" | |
1279f4ff AC |
214 | } |
215 | } | |
216 | set timeout $old_timeout | |
217 | ||
218 | # Verify that we can attach to the process just by giving the | |
219 | # process ID. | |
220 | ||
7cee1e54 PA |
221 | set test "attach2, with no file" |
222 | set found_exec_file 0 | |
8b1b3228 | 223 | gdb_test_multiple "attach $testpid" "$test" { |
1586c8fb | 224 | -re "Attaching to process $testpid.*Load new symbol table from \"$sysroot$escapedbinfile\.exe\".*y or n. $" { |
1279f4ff AC |
225 | # On Cygwin, the DLL's symbol tables are loaded prior to the |
226 | # executable's symbol table. This in turn always results in | |
227 | # asking the user for actually loading the symbol table of the | |
228 | # executable. | |
1586c8fb | 229 | gdb_test "y" "Reading symbols from $sysroot$escapedbinfile\.\.\.*done." \ |
8b1b3228 | 230 | "$test (reset file)" |
7cee1e54 PA |
231 | |
232 | set found_exec_file 1 | |
1279f4ff | 233 | } |
1586c8fb | 234 | -re "Attaching to process $testpid.*Reading symbols from $sysroot$escapedbinfile.*main.*at .*$gdb_prompt $" { |
8b1b3228 | 235 | pass "$test" |
7cee1e54 PA |
236 | set found_exec_file 1 |
237 | } | |
238 | } | |
239 | ||
240 | if {$found_exec_file == 0} { | |
241 | set test "load file manually, after attach2" | |
242 | gdb_test_multiple "file $binfile" "$test" { | |
243 | -re "A program is being debugged already..*Are you sure you want to change the file.*y or n. $" { | |
244 | gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \ | |
245 | "$test (re-read)" | |
246 | } | |
247 | -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" { | |
248 | pass "$test" | |
249 | } | |
1279f4ff AC |
250 | } |
251 | } | |
252 | ||
253 | # Verify that we can modify the variable "should_exit" in the | |
254 | # program. | |
255 | ||
27d3a1a2 | 256 | gdb_test_no_output "set should_exit=1" "after attach2, set should_exit" |
1279f4ff AC |
257 | |
258 | # Verify that the modification really happened. | |
259 | ||
1cf2f1b0 JK |
260 | gdb_breakpoint [gdb_get_line_number "postloop"] temporary |
261 | gdb_continue_to_breakpoint "postloop" ".* postloop .*" | |
1279f4ff AC |
262 | |
263 | # Allow the test process to exit, to cleanup after ourselves. | |
264 | ||
fda326dd | 265 | gdb_continue_to_end "after attach2, exit" |
1279f4ff AC |
266 | |
267 | # Make sure we don't leave a process around to confuse | |
268 | # the next test run (and prevent the compile by keeping | |
269 | # the text file busy), in case the "set should_exit" didn't | |
270 | # work. | |
8b1b3228 | 271 | |
2c8c5d37 PA |
272 | kill_wait_spawned_process $test_spawn_id |
273 | ||
274 | set test_spawn_id [spawn_wait_for_attach $binfile] | |
275 | set testpid [spawn_id_get_pid $test_spawn_id] | |
1279f4ff AC |
276 | |
277 | # Verify that we can attach to the process, and find its a.out | |
278 | # when we're cd'd to some directory that doesn't contain the | |
279 | # a.out. (We use the source path set by the "dir" command.) | |
280 | ||
a64d2530 | 281 | gdb_test "dir [standard_output_file {}]" "Source directories searched: .*" \ |
8b1b3228 | 282 | "set source path" |
1279f4ff | 283 | |
8b1b3228 AC |
284 | gdb_test "cd /tmp" "Working directory /tmp." \ |
285 | "cd away from process working directory" | |
1279f4ff AC |
286 | |
287 | # Explicitly flush out any knowledge of the previous attachment. | |
1279f4ff | 288 | |
8b1b3228 | 289 | set test "before attach3, flush symbols" |
6c95b8df | 290 | gdb_test_multiple "symbol-file" "$test" { |
8b1b3228 AC |
291 | -re "Discard symbol table from.*y or n. $" { |
292 | gdb_test "y" "No symbol file now." \ | |
293 | "$test" | |
1279f4ff | 294 | } |
8b1b3228 AC |
295 | -re "No symbol file now.*$gdb_prompt $" { |
296 | pass "$test" | |
1279f4ff AC |
297 | } |
298 | } | |
299 | ||
8b1b3228 AC |
300 | gdb_test "exec" "No executable file now." \ |
301 | "before attach3, flush exec" | |
302 | ||
303 | gdb_test "attach $testpid" \ | |
1586c8fb | 304 | "Attaching to process $testpid.*Reading symbols from $sysroot$escapedbinfile.*main.*at .*" \ |
8b1b3228 AC |
305 | "attach when process' a.out not in cwd" |
306 | ||
307 | set test "after attach3, exit" | |
dfb88a23 MS |
308 | gdb_test "kill" \ |
309 | "" \ | |
310 | "$test" \ | |
311 | "Kill the program being debugged.*y or n. $" \ | |
312 | "y" | |
1279f4ff AC |
313 | |
314 | # Another "don't leave a process around" | |
2c8c5d37 | 315 | kill_wait_spawned_process $test_spawn_id |
74cf1395 JM |
316 | } |
317 | ||
318 | proc do_call_attach_tests {} { | |
1279f4ff AC |
319 | global gdb_prompt |
320 | global binfile2 | |
321 | ||
2c8c5d37 PA |
322 | set test_spawn_id [spawn_wait_for_attach $binfile2] |
323 | set testpid [spawn_id_get_pid $test_spawn_id] | |
1279f4ff AC |
324 | |
325 | # Attach | |
326 | ||
8aed1c0d | 327 | gdb_test "file $binfile2" ".*" "load file" |
8b1b3228 AC |
328 | set test "attach call" |
329 | gdb_test_multiple "attach $testpid" "$test" { | |
330 | -re "warning: reading register.*I.*O error.*$gdb_prompt $" { | |
331 | fail "$test (read register error)" | |
1279f4ff AC |
332 | } |
333 | -re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" { | |
8b1b3228 | 334 | pass "$test" |
1279f4ff AC |
335 | } |
336 | -re "Attaching to.*process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" { | |
8b1b3228 | 337 | pass "$test" |
1279f4ff AC |
338 | } |
339 | } | |
340 | ||
341 | # See if other registers are problems | |
342 | ||
8b1b3228 AC |
343 | set test "info other register" |
344 | gdb_test_multiple "i r r3" "$test" { | |
345 | -re "warning: reading register.*$gdb_prompt $" { | |
346 | fail "$test" | |
1279f4ff | 347 | } |
8b1b3228 AC |
348 | -re "r3.*$gdb_prompt $" { |
349 | pass "$test" | |
1279f4ff | 350 | } |
1279f4ff | 351 | } |
74cf1395 | 352 | |
1279f4ff AC |
353 | # Get rid of the process |
354 | ||
8b1b3228 | 355 | gdb_test "p should_exit = 1" |
fda326dd | 356 | gdb_continue_to_end |
1279f4ff AC |
357 | |
358 | # Be paranoid | |
359 | ||
2c8c5d37 | 360 | kill_wait_spawned_process $test_spawn_id |
74cf1395 JM |
361 | } |
362 | ||
ccdd1909 HZ |
363 | proc do_command_attach_tests {} { |
364 | global gdb_prompt | |
365 | global binfile | |
366 | global verbose | |
367 | global GDB | |
368 | global INTERNAL_GDBFLAGS | |
369 | global GDBFLAGS | |
370 | ||
371 | if ![isnative] then { | |
372 | unsupported "command attach test" | |
373 | return 0 | |
374 | } | |
375 | ||
2c8c5d37 PA |
376 | set test_spawn_id [spawn_wait_for_attach $binfile] |
377 | set testpid [spawn_id_get_pid $test_spawn_id] | |
ccdd1909 HZ |
378 | |
379 | gdb_exit | |
ccdd1909 | 380 | |
2c8c5d37 | 381 | set res [gdb_spawn_with_cmdline_opts "--pid=$testpid"] |
ccdd1909 | 382 | set test "starting with --pid" |
2c8c5d37 | 383 | gdb_test_multiple "" $test { |
ccdd1909 HZ |
384 | -re "Reading symbols from.*$gdb_prompt $" { |
385 | pass "$test" | |
386 | } | |
ccdd1909 HZ |
387 | } |
388 | ||
389 | # Get rid of the process | |
2c8c5d37 | 390 | kill_wait_spawned_process $test_spawn_id |
ccdd1909 HZ |
391 | } |
392 | ||
98880d46 PA |
393 | # Test ' gdb --pid PID -ex "run" '. GDB used to have a bug where |
394 | # "run" would run before the attach finished - PR17347. | |
395 | ||
396 | proc test_command_line_attach_run {} { | |
397 | global gdb_prompt | |
398 | global binfile | |
399 | ||
400 | if ![isnative] then { | |
401 | unsupported "commandline attach run test" | |
402 | return 0 | |
403 | } | |
404 | ||
405 | with_test_prefix "cmdline attach run" { | |
2c8c5d37 PA |
406 | set test_spawn_id [spawn_wait_for_attach $binfile] |
407 | set testpid [spawn_id_get_pid $test_spawn_id] | |
98880d46 PA |
408 | |
409 | set test "run to prompt" | |
410 | gdb_exit | |
411 | ||
412 | set res [gdb_spawn_with_cmdline_opts \ | |
413 | "-iex \"set height 0\" -iex \"set width 0\" --pid=$testpid -ex \"start\""] | |
414 | if { $res != 0} { | |
415 | fail $test | |
2c8c5d37 | 416 | kill_wait_spawned_process $test_spawn_id |
98880d46 PA |
417 | return $res |
418 | } | |
419 | gdb_test_multiple "" $test { | |
420 | -re {Attaching to.*Start it from the beginning\? \(y or n\) } { | |
421 | pass $test | |
422 | } | |
423 | } | |
424 | ||
425 | send_gdb "y\n" | |
426 | ||
427 | set test "run to main" | |
428 | gdb_test_multiple "" $test { | |
429 | -re "Temporary breakpoint .* main .*$gdb_prompt $" { | |
430 | pass $test | |
431 | } | |
432 | } | |
433 | ||
434 | # Get rid of the process | |
2c8c5d37 | 435 | kill_wait_spawned_process $test_spawn_id |
98880d46 PA |
436 | } |
437 | } | |
74cf1395 JM |
438 | |
439 | # Start with a fresh gdb | |
1279f4ff | 440 | |
74cf1395 JM |
441 | gdb_exit |
442 | gdb_start | |
443 | gdb_reinitialize_dir $srcdir/$subdir | |
444 | gdb_load ${binfile} | |
445 | ||
446 | # This is a test of gdb's ability to attach to a running process. | |
1279f4ff | 447 | |
74cf1395 JM |
448 | do_attach_tests |
449 | ||
450 | # Test attaching when the target is inside a system call | |
1279f4ff | 451 | |
74cf1395 JM |
452 | gdb_exit |
453 | gdb_start | |
454 | ||
74cf1395 JM |
455 | gdb_reinitialize_dir $srcdir/$subdir |
456 | do_call_attach_tests | |
457 | ||
ccdd1909 HZ |
458 | # Test "gdb --pid" |
459 | ||
460 | do_command_attach_tests | |
461 | ||
98880d46 PA |
462 | test_command_line_attach_run |
463 | ||
74cf1395 | 464 | return 0 |