1 # Copyright 1997, 1999, 2002, 2003, 2004, 2007, 2008, 2009, 2010
2 # Free Software Foundation, Inc.
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/>. */
24 # On HP-UX 11.0, this test is causing a process running the program
25 # "attach" to be left around spinning. Until we figure out why, I am
26 # commenting out the test to avoid polluting tiamat (our 11.0 nightly
27 # test machine) with these processes. RT
29 # Setting the magic bit in the target app should work. I added a
30 # "kill", and also a test for the R3 register warning. JB
31 if { [istarget "hppa*-*-hpux*"] } {
35 # are we on a target board
36 if [is_remote target] then {
41 set srcfile ${testfile}.c
42 set srcfile2 ${testfile}2.c
43 set binfile ${objdir}/${subdir}/${testfile}
44 set binfile2 ${objdir}/${subdir}/${testfile}2
45 set escapedbinfile [string_to_regexp ${objdir}/${subdir}/${testfile}]
47 #execute_anywhere "rm -f ${binfile} ${binfile2}"
48 remote_exec build "rm -f ${binfile} ${binfile2}"
49 # For debugging this test
53 # build the first test case
55 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
60 # Build the in-system-call test
62 if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } {
67 if [get_compiler_info ${binfile}] {
71 proc do_attach_tests {} {
81 # Start the program running and then wait for a bit, to be sure
82 # that it can be attached to.
84 set testpid [eval exec $binfile &]
86 if { [istarget "*-*-cygwin*"] } {
87 # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
88 # different due to the way fork/exec works.
89 set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
92 # Verify that we cannot attach to nonsense.
94 set test "attach to nonsense is prohibited"
95 gdb_test_multiple "attach abc" "$test" {
96 -re "Illegal process-id: abc\\.\r\n$gdb_prompt $" {
99 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
100 # Response expected from /proc-based systems.
103 -re "Can't attach to process..*$gdb_prompt $" {
104 # Response expected on Cygwin
107 -re "Attaching to.*$gdb_prompt $" {
108 fail "$test (bogus pid allowed)"
112 # Verify that we cannot attach to nonsense even if its initial part is
115 set test "attach to digits-starting nonsense is prohibited"
116 gdb_test_multiple "attach ${testpid}x" "$test" {
117 -re "Illegal process-id: ${testpid}x\\.\r\n$gdb_prompt $" {
120 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
121 # Response expected from /proc-based systems.
124 -re "Can't attach to process..*$gdb_prompt $" {
125 # Response expected on Cygwin
128 -re "Attaching to.*$gdb_prompt $" {
129 fail "$test (bogus pid allowed)"
133 # Verify that we cannot attach to what appears to be a valid
134 # process ID, but is a process that doesn't exist. Traditionally,
135 # most systems didn't have a process with ID 0, so we take that as
136 # the default. However, there are a few exceptions.
139 if { [istarget "*-*-*bsd*"] } {
140 # In FreeBSD 5.0, PID 0 is used for "swapper". Use -1 instead
141 # (which should have the desired effect on any version of
142 # FreeBSD, and probably other *BSD's too).
145 set test "attach to nonexistent process is prohibited"
146 gdb_test_multiple "attach $boguspid" "$test" {
147 -re "Attaching to.*, process $boguspid.*No such process.*$gdb_prompt $" {
148 # Response expected on ptrace-based systems (i.e. HP-UX 10.20).
151 -re "Attaching to.*, process $boguspid failed.*Hint.*$gdb_prompt $" {
152 # Response expected on ttrace-based systems (i.e. HP-UX 11.0).
155 -re "Attaching to.*, process $boguspid.*denied.*$gdb_prompt $" {
158 -re "Attaching to.*, process $boguspid.*not permitted.*$gdb_prompt $" {
161 -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" {
162 # Response expected from /proc-based systems.
165 -re "Can't attach to process..*$gdb_prompt $" {
166 # Response expected on Cygwin
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 "set file, before attach2"
234 gdb_test_multiple "attach $testpid" "$test" {
235 -re "Attaching to process $testpid.*Load new symbol table from \"$escapedbinfile\.exe\".*y or n. $" {
236 # On Cygwin, the DLL's symbol tables are loaded prior to the
237 # executable's symbol table. This in turn always results in
238 # asking the user for actually loading the symbol table of the
240 gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \
243 -re "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*$gdb_prompt $" {
248 # Verify that we can modify the variable "should_exit" in the
251 gdb_test "set should_exit=1" "" "after attach2, set should_exit"
253 # Verify that the modification really happened.
255 send_gdb "tbreak 19\n"
257 -re "Temporary breakpoint .*at.*$srcfile, line 19.*$gdb_prompt $" {
258 pass "after attach2, set tbreak postloop"
260 -re "$gdb_prompt $" {
261 fail "after attach2, set tbreak postloop"
264 fail "(timeout) after attach2, set tbreak postloop"
267 send_gdb "continue\n"
269 -re "main.*at.*$srcfile:19.*$gdb_prompt $" {
270 pass "after attach2, reach tbreak postloop"
272 -re "$gdb_prompt $" {
273 fail "after attach2, reach tbreak postloop"
276 fail "(timeout) after attach2, reach tbreak postloop"
280 # Allow the test process to exit, to cleanup after ourselves.
282 gdb_test "continue" "Program exited normally." "after attach2, exit"
284 # Make sure we don't leave a process around to confuse
285 # the next test run (and prevent the compile by keeping
286 # the text file busy), in case the "set should_exit" didn't
289 remote_exec build "kill -9 ${testpid}"
291 # Start the program running and then wait for a bit, to be sure
292 # that it can be attached to.
294 set testpid [eval exec $binfile &]
296 if { [istarget "*-*-cygwin*"] } {
297 # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
298 # different due to the way fork/exec works.
299 set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
302 # Verify that we can attach to the process, and find its a.out
303 # when we're cd'd to some directory that doesn't contain the
304 # a.out. (We use the source path set by the "dir" command.)
306 gdb_test "dir ${objdir}/${subdir}" "Source directories searched: .*" \
309 gdb_test "cd /tmp" "Working directory /tmp." \
310 "cd away from process working directory"
312 # Explicitly flush out any knowledge of the previous attachment.
314 set test "before attach3, flush symbols"
315 gdb_test_multiple "symbol-file" "$test" {
316 -re "Discard symbol table from.*y or n. $" {
317 gdb_test "y" "No symbol file now." \
320 -re "No symbol file now.*$gdb_prompt $" {
325 gdb_test "exec" "No executable file now." \
326 "before attach3, flush exec"
328 gdb_test "attach $testpid" \
329 "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*" \
330 "attach when process' a.out not in cwd"
332 set test "after attach3, exit"
333 gdb_test_multiple "kill" "$test" {
334 -re "Kill the program being debugged.*y or n. $" {
335 gdb_test "y" "" "$test"
339 # Another "don't leave a process around"
340 remote_exec build "kill -9 ${testpid}"
343 proc do_call_attach_tests {} {
347 # Start the program running and then wait for a bit, to be sure
348 # that it can be attached to.
350 set testpid [eval exec $binfile2 &]
352 if { [istarget "*-*-cygwin*"] } {
353 # testpid is the Cygwin PID, GDB uses the Windows PID, which might be
354 # different due to the way fork/exec works.
355 set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ]
360 gdb_test "file $binfile2" "" "force switch to gdb64, if necessary"
361 set test "attach call"
362 gdb_test_multiple "attach $testpid" "$test" {
363 -re "warning: reading register.*I.*O error.*$gdb_prompt $" {
364 fail "$test (read register error)"
366 -re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" {
369 -re "Attaching to.*process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" {
374 # See if other registers are problems
376 set test "info other register"
377 gdb_test_multiple "i r r3" "$test" {
378 -re "warning: reading register.*$gdb_prompt $" {
381 -re "r3.*$gdb_prompt $" {
386 # Get rid of the process
388 gdb_test "p should_exit = 1"
389 gdb_test "c" "Program exited normally."
393 remote_exec build "kill -9 ${testpid}"
397 # Start with a fresh gdb
401 gdb_reinitialize_dir $srcdir/$subdir
404 # This is a test of gdb's ability to attach to a running process.
408 # Test attaching when the target is inside a system call
413 gdb_reinitialize_dir $srcdir/$subdir