1 # Copyright 1997, 1999, 2002-2004, 2007-2012 Free Software Foundation,
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>. */
18 # On HP-UX 11.0, this test is causing a process running the program
19 # "attach" to be left around spinning. Until we figure out why, I am
20 # commenting out the test to avoid polluting tiamat (our 11.0 nightly
21 # test machine) with these processes. RT
23 # Setting the magic bit in the target app should work. I added a
24 # "kill", and also a test for the R3 register warning. JB
25 if { [istarget "hppa*-*-hpux*"] } {
29 # are we on a target board
30 if [is_remote target] then {
35 set srcfile ${testfile}.c
36 set srcfile2 ${testfile}2.c
37 set binfile ${objdir}/${subdir}/${testfile}
38 set binfile2 ${objdir}/${subdir}/${testfile}2
39 set escapedbinfile [string_to_regexp ${objdir}/${subdir}/${testfile}]
41 #execute_anywhere "rm -f ${binfile} ${binfile2}"
42 remote_exec build "rm -f ${binfile} ${binfile2}"
43 # For debugging this test
47 # build the first test case
49 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
54 # Build the in-system-call test
56 if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } {
61 if [get_compiler_info] {
65 proc do_attach_tests {} {
75 # Start the program running and then wait for a bit, to be sure
76 # that it can be attached to.
78 set testpid [eval exec $binfile &]
80 if { [istarget "*-*-cygwin*"] } {
81 # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
82 # different due to the way fork/exec works.
83 set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
86 # Verify that we cannot attach to nonsense.
88 set test "attach to nonsense is prohibited"
89 gdb_test_multiple "attach abc" "$test" {
90 -re "Illegal process-id: abc\\.\r\n$gdb_prompt $" {
93 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
94 # Response expected from /proc-based systems.
97 -re "Can't attach to process..*$gdb_prompt $" {
98 # Response expected on Cygwin
101 -re "Attaching to.*$gdb_prompt $" {
102 fail "$test (bogus pid allowed)"
106 # Verify that we cannot attach to nonsense even if its initial part is
109 set test "attach to digits-starting nonsense is prohibited"
110 gdb_test_multiple "attach ${testpid}x" "$test" {
111 -re "Illegal process-id: ${testpid}x\\.\r\n$gdb_prompt $" {
114 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
115 # Response expected from /proc-based systems.
118 -re "Can't attach to process..*$gdb_prompt $" {
119 # Response expected on Cygwin
122 -re "Attaching to.*$gdb_prompt $" {
123 fail "$test (bogus pid allowed)"
127 # Verify that we cannot attach to what appears to be a valid
128 # process ID, but is a process that doesn't exist. Traditionally,
129 # most systems didn't have a process with ID 0, so we take that as
130 # the default. However, there are a few exceptions.
133 if { [istarget "*-*-*bsd*"] } {
134 # In FreeBSD 5.0, PID 0 is used for "swapper". Use -1 instead
135 # (which should have the desired effect on any version of
136 # FreeBSD, and probably other *BSD's too).
139 set test "attach to nonexistent process is prohibited"
140 gdb_test_multiple "attach $boguspid" "$test" {
141 -re "Attaching to.*, process $boguspid.*No such process.*$gdb_prompt $" {
142 # Response expected on ptrace-based systems (i.e. HP-UX 10.20).
145 -re "Attaching to.*, process $boguspid failed.*Hint.*$gdb_prompt $" {
146 # Response expected on ttrace-based systems (i.e. HP-UX 11.0).
149 -re "Attaching to.*, process $boguspid.*denied.*$gdb_prompt $" {
152 -re "Attaching to.*, process $boguspid.*not permitted.*$gdb_prompt $" {
155 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
156 # Response expected from /proc-based systems.
159 -re "Can't attach to process..*$gdb_prompt $" {
160 # Response expected on Cygwin
163 -re "Attaching to.*, process $boguspid.*failed.*$gdb_prompt $" {
164 # Response expected on the extended-remote target.
169 # Verify that we can attach to the process by first giving its
170 # executable name via the file command, and using attach with the
173 # (Actually, the test system appears to do this automatically for
174 # us. So, we must also be prepared to be asked if we want to
175 # discard an existing set of symbols.)
177 set test "set file, before attach1"
178 gdb_test_multiple "file $binfile" "$test" {
179 -re "Load new symbol table from.*y or n. $" {
180 gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \
183 -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" {
188 set test "attach1, after setting file"
189 gdb_test_multiple "attach $testpid" "$test" {
190 -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $" {
193 -re "Attaching to program.*`?$escapedbinfile\.exe'?, process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" {
194 # Response expected on Cygwin
199 # Verify that we can "see" the variable "should_exit" in the
200 # program, and that it is zero.
202 gdb_test "print should_exit" " = 0" "after attach1, print should_exit"
204 # Detach the process.
207 "Detaching from program: .*$escapedbinfile, process $testpid" \
210 # Wait a bit for gdb to finish detaching
214 # Purge the symbols from gdb's brain. (We want to be certain the
215 # next attach, which won't be preceded by a "file" command, is
216 # really getting the executable file without our help.)
218 set old_timeout $timeout
220 set test "attach1, purging symbols after detach"
221 gdb_test_multiple "file" "$test" {
222 -re "No executable file now.*Discard symbol table.*y or n. $" {
223 gdb_test "y" "No symbol file now." "$test"
226 set timeout $old_timeout
228 # Verify that we can attach to the process just by giving the
231 set test "attach2, with no file"
232 set found_exec_file 0
233 gdb_test_multiple "attach $testpid" "$test" {
234 -re "Attaching to process $testpid.*Load new symbol table from \"$escapedbinfile\.exe\".*y or n. $" {
235 # On Cygwin, the DLL's symbol tables are loaded prior to the
236 # executable's symbol table. This in turn always results in
237 # asking the user for actually loading the symbol table of the
239 gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \
242 set found_exec_file 1
244 -re "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*$gdb_prompt $" {
246 set found_exec_file 1
250 if {$found_exec_file == 0} {
251 set test "load file manually, after attach2"
252 gdb_test_multiple "file $binfile" "$test" {
253 -re "A program is being debugged already..*Are you sure you want to change the file.*y or n. $" {
254 gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \
257 -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" {
263 # Verify that we can modify the variable "should_exit" in the
266 gdb_test_no_output "set should_exit=1" "after attach2, set should_exit"
268 # Verify that the modification really happened.
270 gdb_test "tbreak 19" "Temporary breakpoint .*at.*$srcfile, line 19.*" \
271 "after attach2, set tbreak postloop"
273 gdb_test "continue" "main.*at.*$srcfile:19.*" \
274 "after attach2, reach tbreak postloop"
276 # Allow the test process to exit, to cleanup after ourselves.
278 gdb_continue_to_end "after attach2, exit"
280 # Make sure we don't leave a process around to confuse
281 # the next test run (and prevent the compile by keeping
282 # the text file busy), in case the "set should_exit" didn't
285 remote_exec build "kill -9 ${testpid}"
287 # Start the program running and then wait for a bit, to be sure
288 # that it can be attached to.
290 set testpid [eval exec $binfile &]
292 if { [istarget "*-*-cygwin*"] } {
293 # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
294 # different due to the way fork/exec works.
295 set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
298 # Verify that we can attach to the process, and find its a.out
299 # when we're cd'd to some directory that doesn't contain the
300 # a.out. (We use the source path set by the "dir" command.)
302 gdb_test "dir ${objdir}/${subdir}" "Source directories searched: .*" \
305 gdb_test "cd /tmp" "Working directory /tmp." \
306 "cd away from process working directory"
308 # Explicitly flush out any knowledge of the previous attachment.
310 set test "before attach3, flush symbols"
311 gdb_test_multiple "symbol-file" "$test" {
312 -re "Discard symbol table from.*y or n. $" {
313 gdb_test "y" "No symbol file now." \
316 -re "No symbol file now.*$gdb_prompt $" {
321 gdb_test "exec" "No executable file now." \
322 "before attach3, flush exec"
324 gdb_test "attach $testpid" \
325 "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*" \
326 "attach when process' a.out not in cwd"
328 set test "after attach3, exit"
332 "Kill the program being debugged.*y or n. $" \
335 # Another "don't leave a process around"
336 remote_exec build "kill -9 ${testpid}"
339 proc do_call_attach_tests {} {
343 # Start the program running and then wait for a bit, to be sure
344 # that it can be attached to.
346 set testpid [eval exec $binfile2 &]
348 if { [istarget "*-*-cygwin*"] } {
349 # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
350 # different due to the way fork/exec works.
351 set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
356 gdb_test "file $binfile2" ".*" "force switch to gdb64, if necessary"
357 set test "attach call"
358 gdb_test_multiple "attach $testpid" "$test" {
359 -re "warning: reading register.*I.*O error.*$gdb_prompt $" {
360 fail "$test (read register error)"
362 -re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" {
365 -re "Attaching to.*process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" {
370 # See if other registers are problems
372 set test "info other register"
373 gdb_test_multiple "i r r3" "$test" {
374 -re "warning: reading register.*$gdb_prompt $" {
377 -re "r3.*$gdb_prompt $" {
382 # Get rid of the process
384 gdb_test "p should_exit = 1"
389 remote_exec build "kill -9 ${testpid}"
393 # Start with a fresh gdb
397 gdb_reinitialize_dir $srcdir/$subdir
400 # This is a test of gdb's ability to attach to a running process.
404 # Test attaching when the target is inside a system call
409 gdb_reinitialize_dir $srcdir/$subdir