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 # Start the program running and then wait for a bit, to be sure
70 # that it can be attached to.
72 set testpid [spawn_wait_for_attach $binfile]
74 # Verify that we cannot attach to nonsense.
76 set test "attach to nonsense is prohibited"
77 gdb_test_multiple "attach abc" "$test" {
78 -re "Illegal process-id: abc\\.\r\n$gdb_prompt $" {
81 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
82 # Response expected from /proc-based systems.
85 -re "Can't attach to process..*$gdb_prompt $" {
86 # Response expected on Cygwin
89 -re "Attaching to.*$gdb_prompt $" {
90 fail "$test (bogus pid allowed)"
94 # Verify that we cannot attach to nonsense even if its initial part is
97 set test "attach to digits-starting nonsense is prohibited"
98 gdb_test_multiple "attach ${testpid}x" "$test" {
99 -re "Illegal process-id: ${testpid}x\\.\r\n$gdb_prompt $" {
102 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
103 # Response expected from /proc-based systems.
106 -re "Can't attach to process..*$gdb_prompt $" {
107 # Response expected on Cygwin
110 -re "Attaching to.*$gdb_prompt $" {
111 fail "$test (bogus pid allowed)"
115 # Verify that we cannot attach to what appears to be a valid
116 # process ID, but is a process that doesn't exist. Traditionally,
117 # most systems didn't have a process with ID 0, so we take that as
118 # the default. However, there are a few exceptions.
121 if { [istarget "*-*-*bsd*"] } {
122 # In FreeBSD 5.0, PID 0 is used for "swapper". Use -1 instead
123 # (which should have the desired effect on any version of
124 # FreeBSD, and probably other *BSD's too).
127 set test "attach to nonexistent process is prohibited"
128 gdb_test_multiple "attach $boguspid" "$test" {
129 -re "Attaching to.*, process $boguspid.*No such process.*$gdb_prompt $" {
130 # Response expected on ptrace-based systems (i.e. HP-UX 10.20).
133 -re "Attaching to.*, process $boguspid failed.*Hint.*$gdb_prompt $" {
134 # Response expected on ttrace-based systems (i.e. HP-UX 11.0).
137 -re "Attaching to.*, process $boguspid.*denied.*$gdb_prompt $" {
140 -re "Attaching to.*, process $boguspid.*not permitted.*$gdb_prompt $" {
143 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
144 # Response expected from /proc-based systems.
147 -re "Can't attach to process..*$gdb_prompt $" {
148 # Response expected on Cygwin
151 -re "Attaching to.*, process $boguspid.*failed.*$gdb_prompt $" {
152 # Response expected on the extended-remote target.
157 # Verify that we can attach to the process by first giving its
158 # executable name via the file command, and using attach with the
161 # (Actually, the test system appears to do this automatically for
162 # us. So, we must also be prepared to be asked if we want to
163 # discard an existing set of symbols.)
165 set test "set file, before attach1"
166 gdb_test_multiple "file $binfile" "$test" {
167 -re "Load new symbol table from.*y or n. $" {
168 gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \
171 -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" {
176 set test "attach1, after setting file"
177 gdb_test_multiple "attach $testpid" "$test" {
178 -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $" {
181 -re "Attaching to program.*`?$escapedbinfile\.exe'?, process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" {
182 # Response expected on Cygwin
187 # Verify that we can "see" the variable "should_exit" in the
188 # program, and that it is zero.
190 gdb_test "print should_exit" " = 0" "after attach1, print should_exit"
192 # Detach the process.
195 "Detaching from program: .*$escapedbinfile, process $testpid" \
198 # Wait a bit for gdb to finish detaching
202 # Purge the symbols from gdb's brain. (We want to be certain the
203 # next attach, which won't be preceded by a "file" command, is
204 # really getting the executable file without our help.)
206 set old_timeout $timeout
208 set test "attach1, purging symbols after detach"
209 gdb_test_multiple "file" "$test" {
210 -re "No executable file now.*Discard symbol table.*y or n. $" {
211 gdb_test "y" "No symbol file now." "$test"
214 set timeout $old_timeout
216 # Verify that we can attach to the process just by giving the
219 set test "attach2, with no file"
220 set found_exec_file 0
221 gdb_test_multiple "attach $testpid" "$test" {
222 -re "Attaching to process $testpid.*Load new symbol table from \"$escapedbinfile\.exe\".*y or n. $" {
223 # On Cygwin, the DLL's symbol tables are loaded prior to the
224 # executable's symbol table. This in turn always results in
225 # asking the user for actually loading the symbol table of the
227 gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \
230 set found_exec_file 1
232 -re "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*$gdb_prompt $" {
234 set found_exec_file 1
238 if {$found_exec_file == 0} {
239 set test "load file manually, after attach2"
240 gdb_test_multiple "file $binfile" "$test" {
241 -re "A program is being debugged already..*Are you sure you want to change the file.*y or n. $" {
242 gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \
245 -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" {
251 # Verify that we can modify the variable "should_exit" in the
254 gdb_test_no_output "set should_exit=1" "after attach2, set should_exit"
256 # Verify that the modification really happened.
258 gdb_breakpoint [gdb_get_line_number "postloop"] temporary
259 gdb_continue_to_breakpoint "postloop" ".* postloop .*"
261 # Allow the test process to exit, to cleanup after ourselves.
263 gdb_continue_to_end "after attach2, exit"
265 # Make sure we don't leave a process around to confuse
266 # the next test run (and prevent the compile by keeping
267 # the text file busy), in case the "set should_exit" didn't
270 remote_exec build "kill -9 ${testpid}"
272 set testpid [spawn_wait_for_attach $binfile]
274 # Verify that we can attach to the process, and find its a.out
275 # when we're cd'd to some directory that doesn't contain the
276 # a.out. (We use the source path set by the "dir" command.)
278 gdb_test "dir [standard_output_file {}]" "Source directories searched: .*" \
281 gdb_test "cd /tmp" "Working directory /tmp." \
282 "cd away from process working directory"
284 # Explicitly flush out any knowledge of the previous attachment.
286 set test "before attach3, flush symbols"
287 gdb_test_multiple "symbol-file" "$test" {
288 -re "Discard symbol table from.*y or n. $" {
289 gdb_test "y" "No symbol file now." \
292 -re "No symbol file now.*$gdb_prompt $" {
297 gdb_test "exec" "No executable file now." \
298 "before attach3, flush exec"
300 gdb_test "attach $testpid" \
301 "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*" \
302 "attach when process' a.out not in cwd"
304 set test "after attach3, exit"
308 "Kill the program being debugged.*y or n. $" \
311 # Another "don't leave a process around"
312 remote_exec build "kill -9 ${testpid}"
315 proc do_call_attach_tests {} {
319 set testpid [spawn_wait_for_attach $binfile2]
323 gdb_test "file $binfile2" ".*" "force switch to gdb64, if necessary"
324 set test "attach call"
325 gdb_test_multiple "attach $testpid" "$test" {
326 -re "warning: reading register.*I.*O error.*$gdb_prompt $" {
327 fail "$test (read register error)"
329 -re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" {
332 -re "Attaching to.*process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" {
337 # See if other registers are problems
339 set test "info other register"
340 gdb_test_multiple "i r r3" "$test" {
341 -re "warning: reading register.*$gdb_prompt $" {
344 -re "r3.*$gdb_prompt $" {
349 # Get rid of the process
351 gdb_test "p should_exit = 1"
356 remote_exec build "kill -9 ${testpid}"
359 proc do_command_attach_tests {} {
364 global INTERNAL_GDBFLAGS
367 if ![isnative] then {
368 unsupported "command attach test"
372 set testpid [spawn_wait_for_attach $binfile]
376 send_user "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS --pid=$testpid\n"
379 eval "spawn $GDB $INTERNAL_GDBFLAGS $GDBFLAGS --pid=$testpid"
380 set test "starting with --pid"
382 -re "Reading symbols from.*$gdb_prompt $" {
386 fail "$test (timeout)"
390 # Get rid of the process
392 remote_exec build "kill -9 ${testpid}"
395 # Test ' gdb --pid PID -ex "run" '. GDB used to have a bug where
396 # "run" would run before the attach finished - PR17347.
398 proc test_command_line_attach_run {} {
402 if ![isnative] then {
403 unsupported "commandline attach run test"
407 with_test_prefix "cmdline attach run" {
408 set testpid [spawn_wait_for_attach $binfile]
410 set test "run to prompt"
413 set res [gdb_spawn_with_cmdline_opts \
414 "-iex \"set height 0\" -iex \"set width 0\" --pid=$testpid -ex \"start\""]
417 remote_exec build "kill -9 ${testpid}"
420 gdb_test_multiple "" $test {
421 -re {Attaching to.*Start it from the beginning\? \(y or n\) } {
428 set test "run to main"
429 gdb_test_multiple "" $test {
430 -re "Temporary breakpoint .* main .*$gdb_prompt $" {
435 # Get rid of the process
436 remote_exec build "kill -9 ${testpid}"
440 # Start with a fresh gdb
444 gdb_reinitialize_dir $srcdir/$subdir
447 # This is a test of gdb's ability to attach to a running process.
451 # Test attaching when the target is inside a system call
456 gdb_reinitialize_dir $srcdir/$subdir
461 do_command_attach_tests
463 test_command_line_attach_run