1 # Copyright 1997-2015 Free Software Foundation, Inc.
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.
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.
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/>. */
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
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*"] } {
28 if {![can_spawn_for_attach]} {
32 standard_testfile attach.c attach2.c
33 set binfile2 ${binfile}2
34 set escapedbinfile [string_to_regexp $binfile]
36 #execute_anywhere "rm -f ${binfile} ${binfile2}"
37 remote_exec build "rm -f ${binfile} ${binfile2}"
38 # For debugging this test
42 # build the first test case
44 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
49 # Build the in-system-call test
51 if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } {
56 if [get_compiler_info] {
60 proc do_attach_tests {} {
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
74 set test "show sysroot"
75 gdb_test_multiple $test $test {
76 -re "The current system root is \"(.*)\"\..*${gdb_prompt} $" {
77 set sysroot $expect_out(1,string)
80 regsub "^target:" "$sysroot" "(target:)?" sysroot
82 # Start the program running and then wait for a bit, to be sure
83 # that it can be attached to.
85 set test_spawn_id [spawn_wait_for_attach $binfile]
86 set testpid [spawn_id_get_pid $test_spawn_id]
88 # Verify that we cannot attach to nonsense.
90 set test "attach to nonsense is prohibited"
91 gdb_test_multiple "attach abc" "$test" {
92 -re "Illegal process-id: abc\\.\r\n$gdb_prompt $" {
95 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
96 # Response expected from /proc-based systems.
99 -re "Can't attach to process..*$gdb_prompt $" {
100 # Response expected on Cygwin
103 -re "Attaching to.*$gdb_prompt $" {
104 fail "$test (bogus pid allowed)"
108 # Verify that we cannot attach to nonsense even if its initial part is
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 $" {
116 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
117 # Response expected from /proc-based systems.
120 -re "Can't attach to process..*$gdb_prompt $" {
121 # Response expected on Cygwin
124 -re "Attaching to.*$gdb_prompt $" {
125 fail "$test (bogus pid allowed)"
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.
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).
141 set test "attach to nonexistent process is prohibited"
142 gdb_test_multiple "attach $boguspid" "$test" {
143 -re "Attaching to.*, process $boguspid.*No such process.*$gdb_prompt $" {
144 # Response expected on ptrace-based systems (i.e. HP-UX 10.20).
147 -re "Attaching to.*, process $boguspid failed.*Hint.*$gdb_prompt $" {
148 # Response expected on ttrace-based systems (i.e. HP-UX 11.0).
151 -re "Attaching to.*, process $boguspid.*denied.*$gdb_prompt $" {
154 -re "Attaching to.*, process $boguspid.*not permitted.*$gdb_prompt $" {
157 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
158 # Response expected from /proc-based systems.
161 -re "Can't attach to process..*$gdb_prompt $" {
162 # Response expected on Cygwin
165 -re "Attaching to.*, process $boguspid.*failed.*$gdb_prompt $" {
166 # Response expected on the extended-remote target.
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
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.)
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." \
185 -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" {
190 set test "attach1, after setting file"
191 gdb_test_multiple "attach $testpid" "$test" {
192 -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $" {
195 -re "Attaching to program.*`?$escapedbinfile\.exe'?, process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" {
196 # Response expected on Cygwin
201 # Verify that we can "see" the variable "should_exit" in the
202 # program, and that it is zero.
204 gdb_test "print should_exit" " = 0" "after attach1, print should_exit"
206 # Detach the process.
209 "Detaching from program: .*$escapedbinfile, process $testpid" \
212 # Wait a bit for gdb to finish detaching
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.)
220 set old_timeout $timeout
222 set test "attach1, purging symbols after detach"
223 gdb_test_multiple "file" "$test" {
224 -re "No executable file now.*Discard symbol table.*y or n. $" {
225 gdb_test "y" "No symbol file now." "$test"
228 set timeout $old_timeout
230 # Verify that we can attach to the process just by giving the
233 set test "attach2, with no file"
234 set found_exec_file 0
235 gdb_test_multiple "attach $testpid" "$test" {
236 -re "Attaching to process $testpid.*Load new symbol table from \"$sysroot$escapedbinfile\.exe\".*y or n. $" {
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
241 gdb_test "y" "Reading symbols from $sysroot$escapedbinfile\.\.\.*done." \
244 set found_exec_file 1
246 -re "Attaching to process $testpid.*Reading symbols from $sysroot$escapedbinfile.*main.*at .*$gdb_prompt $" {
248 set found_exec_file 1
252 if {$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." \
259 -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" {
265 # Verify that we can modify the variable "should_exit" in the
268 gdb_test_no_output "set should_exit=1" "after attach2, set should_exit"
270 # Verify that the modification really happened.
272 gdb_breakpoint [gdb_get_line_number "postloop"] temporary
273 gdb_continue_to_breakpoint "postloop" ".* postloop .*"
275 # Allow the test process to exit, to cleanup after ourselves.
277 gdb_continue_to_end "after attach2, exit"
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
284 kill_wait_spawned_process $test_spawn_id
286 set test_spawn_id [spawn_wait_for_attach $binfile]
287 set testpid [spawn_id_get_pid $test_spawn_id]
289 # Verify that we can attach to the process, and find its a.out
290 # when we're cd'd to some directory that doesn't contain the
291 # a.out. (We use the source path set by the "dir" command.)
293 gdb_test "dir [standard_output_file {}]" "Source directories searched: .*" \
296 gdb_test "cd /tmp" "Working directory /tmp." \
297 "cd away from process working directory"
299 # Explicitly flush out any knowledge of the previous attachment.
301 set test "before attach3, flush symbols"
302 gdb_test_multiple "symbol-file" "$test" {
303 -re "Discard symbol table from.*y or n. $" {
304 gdb_test "y" "No symbol file now." \
307 -re "No symbol file now.*$gdb_prompt $" {
312 gdb_test "exec" "No executable file now." \
313 "before attach3, flush exec"
315 gdb_test "attach $testpid" \
316 "Attaching to process $testpid.*Reading symbols from $sysroot$escapedbinfile.*main.*at .*" \
317 "attach when process' a.out not in cwd"
319 set test "after attach3, exit"
323 "Kill the program being debugged.*y or n. $" \
326 # Another "don't leave a process around"
327 kill_wait_spawned_process $test_spawn_id
330 proc do_call_attach_tests {} {
334 set test_spawn_id [spawn_wait_for_attach $binfile2]
335 set testpid [spawn_id_get_pid $test_spawn_id]
339 gdb_test "file $binfile2" ".*" "force switch to gdb64, if necessary"
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)"
345 -re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" {
348 -re "Attaching to.*process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" {
353 # See if other registers are problems
355 set test "info other register"
356 gdb_test_multiple "i r r3" "$test" {
357 -re "warning: reading register.*$gdb_prompt $" {
360 -re "r3.*$gdb_prompt $" {
365 # Get rid of the process
367 gdb_test "p should_exit = 1"
372 kill_wait_spawned_process $test_spawn_id
375 proc do_command_attach_tests {} {
380 global INTERNAL_GDBFLAGS
383 if ![isnative] then {
384 unsupported "command attach test"
388 set test_spawn_id [spawn_wait_for_attach $binfile]
389 set testpid [spawn_id_get_pid $test_spawn_id]
393 set res [gdb_spawn_with_cmdline_opts "--pid=$testpid"]
394 set test "starting with --pid"
395 gdb_test_multiple "" $test {
396 -re "Reading symbols from.*$gdb_prompt $" {
401 # Get rid of the process
402 kill_wait_spawned_process $test_spawn_id
405 # Test ' gdb --pid PID -ex "run" '. GDB used to have a bug where
406 # "run" would run before the attach finished - PR17347.
408 proc test_command_line_attach_run {} {
412 if ![isnative] then {
413 unsupported "commandline attach run test"
417 with_test_prefix "cmdline attach run" {
418 set test_spawn_id [spawn_wait_for_attach $binfile]
419 set testpid [spawn_id_get_pid $test_spawn_id]
421 set test "run to prompt"
424 set res [gdb_spawn_with_cmdline_opts \
425 "-iex \"set height 0\" -iex \"set width 0\" --pid=$testpid -ex \"start\""]
428 kill_wait_spawned_process $test_spawn_id
431 gdb_test_multiple "" $test {
432 -re {Attaching to.*Start it from the beginning\? \(y or n\) } {
439 set test "run to main"
440 gdb_test_multiple "" $test {
441 -re "Temporary breakpoint .* main .*$gdb_prompt $" {
446 # Get rid of the process
447 kill_wait_spawned_process $test_spawn_id
451 # Start with a fresh gdb
455 gdb_reinitialize_dir $srcdir/$subdir
458 # This is a test of gdb's ability to attach to a running process.
462 # Test attaching when the target is inside a system call
467 gdb_reinitialize_dir $srcdir/$subdir
472 do_command_attach_tests
474 test_command_line_attach_run