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1279f4ff | 1 | # Copyright 1997, 1999, 2002, 2003, 2004 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 | |
5 | # the Free Software Foundation; either version 2 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
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. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program; if not, write to the Free Software | |
15 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
16 | ||
74cf1395 | 17 | if $tracelevel then { |
1279f4ff AC |
18 | strace $tracelevel |
19 | } | |
74cf1395 JM |
20 | |
21 | set prms_id 0 | |
22 | set bug_id 0 | |
23 | ||
33c3e192 FF |
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 | |
28 | # | |
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*"] } { | |
32 | return 0 | |
33 | } | |
74cf1395 | 34 | |
33c3e192 | 35 | # are we on a target board |
2d1676a0 | 36 | if [is_remote target] then { |
74cf1395 JM |
37 | return 0 |
38 | } | |
39 | ||
40 | set testfile "attach" | |
41 | set srcfile ${testfile}.c | |
42 | set srcfile2 ${testfile}2.c | |
43 | set binfile ${objdir}/${subdir}/${testfile} | |
44 | set binfile2 ${objdir}/${subdir}/${testfile}2 | |
e0f353ce | 45 | set escapedbinfile [string_to_regexp ${objdir}/${subdir}/${testfile}] |
74cf1395 JM |
46 | |
47 | #execute_anywhere "rm -f ${binfile} ${binfile2}" | |
48 | remote_exec build "rm -f ${binfile} ${binfile2}" | |
49 | # For debugging this test | |
50 | # | |
51 | #log_user 1 | |
52 | ||
74cf1395 JM |
53 | # build the first test case |
54 | # | |
55 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
1279f4ff | 56 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
74cf1395 JM |
57 | } |
58 | ||
74cf1395 JM |
59 | # Build the in-system-call test |
60 | ||
61 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } { | |
1279f4ff | 62 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
74cf1395 JM |
63 | } |
64 | ||
74cf1395 JM |
65 | if [get_compiler_info ${binfile}] { |
66 | return -1 | |
67 | } | |
68 | ||
69 | proc do_attach_tests {} { | |
1279f4ff AC |
70 | global gdb_prompt |
71 | global binfile | |
72 | global escapedbinfile | |
73 | global srcfile | |
74 | global testfile | |
75 | global objdir | |
76 | global subdir | |
77 | global timeout | |
78 | ||
79 | # Start the program running and then wait for a bit, to be sure | |
80 | # that it can be attached to. | |
81 | ||
82 | set testpid [eval exec $binfile &] | |
83 | exec sleep 2 | |
84 | if { [istarget "*-*-cygwin*"] } { | |
85 | # testpid is the Cygwin PID, GDB uses the Windows PID, which might be | |
86 | # different due to the way fork/exec works. | |
87 | set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ] | |
88 | } | |
89 | ||
90 | # Verify that we cannot attach to nonsense. | |
91 | ||
8b1b3228 AC |
92 | set test "attach to nonsense is prohibited" |
93 | gdb_test_multiple "attach abc" "$test" { | |
94 | -re "Illegal process-id: abc.*$gdb_prompt $" { | |
95 | pass "$test" | |
1279f4ff AC |
96 | } |
97 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { | |
98 | # Response expected from /proc-based systems. | |
8b1b3228 | 99 | pass "$test" |
1279f4ff | 100 | } |
8b1b3228 | 101 | -re "Can't attach to process..*$gdb_prompt $" { |
1279f4ff | 102 | # Response expected on Cygwin |
8b1b3228 | 103 | pass "$test" |
1279f4ff AC |
104 | } |
105 | -re "Attaching to.*$gdb_prompt $" { | |
8b1b3228 | 106 | fail "$test (bogus pid allowed)" |
1279f4ff AC |
107 | } |
108 | } | |
109 | ||
110 | # Verify that we cannot attach to what appears to be a valid | |
111 | # process ID, but is a process that doesn't exist. Traditionally, | |
112 | # most systems didn't have a process with ID 0, so we take that as | |
113 | # the default. However, there are a few exceptions. | |
114 | ||
115 | set boguspid 0 | |
116 | if { [istarget "*-*-*bsd*"] } { | |
117 | # In FreeBSD 5.0, PID 0 is used for "swapper". Use -1 instead | |
118 | # (which should have the desired effect on any version of | |
119 | # FreeBSD, and probably other *BSD's too). | |
120 | set boguspid -1 | |
121 | } | |
8b1b3228 AC |
122 | set test "attach to nonexistent process is prohibited" |
123 | gdb_test_multiple "attach $boguspid" "$test" { | |
1279f4ff AC |
124 | -re "Attaching to.*, process $boguspid.*No such process.*$gdb_prompt $" { |
125 | # Response expected on ptrace-based systems (i.e. HP-UX 10.20). | |
8b1b3228 | 126 | pass "$test" |
1279f4ff AC |
127 | } |
128 | -re "Attaching to.*, process $boguspid failed.*Hint.*$gdb_prompt $" { | |
129 | # Response expected on ttrace-based systems (i.e. HP-UX 11.0). | |
8b1b3228 | 130 | pass "$test" |
1279f4ff AC |
131 | } |
132 | -re "Attaching to.*, process $boguspid.*denied.*$gdb_prompt $" { | |
8b1b3228 | 133 | pass "$test" |
1279f4ff AC |
134 | } |
135 | -re "Attaching to.*, process $boguspid.*not permitted.*$gdb_prompt $" { | |
8b1b3228 | 136 | pass "$test" |
1279f4ff AC |
137 | } |
138 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { | |
139 | # Response expected from /proc-based systems. | |
8b1b3228 | 140 | pass "$test" |
1279f4ff | 141 | } |
8b1b3228 | 142 | -re "Can't attach to process..*$gdb_prompt $" { |
1279f4ff | 143 | # Response expected on Cygwin |
8b1b3228 | 144 | pass "$test" |
1279f4ff AC |
145 | } |
146 | } | |
147 | ||
148 | # Verify that we can attach to the process by first giving its | |
149 | # executable name via the file command, and using attach with the | |
150 | # process ID. | |
151 | ||
152 | # (Actually, the test system appears to do this automatically for | |
153 | # us. So, we must also be prepared to be asked if we want to | |
154 | # discard an existing set of symbols.) | |
155 | ||
8b1b3228 AC |
156 | set test "set file, before attach1" |
157 | gdb_test_multiple "file $binfile" "$test" { | |
158 | -re "Load new symbol table from.*y or n. $" { | |
159 | gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \ | |
160 | "$test (re-read)" | |
1279f4ff AC |
161 | } |
162 | -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" { | |
8b1b3228 | 163 | pass "$test" |
1279f4ff AC |
164 | } |
165 | } | |
166 | ||
8b1b3228 AC |
167 | set test "attach1, after setting file" |
168 | gdb_test_multiple "attach $testpid" "$test" { | |
1279f4ff | 169 | -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $" { |
8b1b3228 | 170 | pass "$test" |
1279f4ff AC |
171 | } |
172 | -re "Attaching to program.*`?$escapedbinfile\.exe'?, process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" { | |
173 | # Response expected on Cygwin | |
8b1b3228 | 174 | pass "$test" |
1279f4ff AC |
175 | } |
176 | } | |
177 | ||
178 | # Verify that we can "see" the variable "should_exit" in the | |
179 | # program, and that it is zero. | |
180 | ||
8b1b3228 | 181 | gdb_test "print should_exit" " = 0" "after attach1, print should_exit" |
1279f4ff AC |
182 | |
183 | # Detach the process. | |
184 | ||
8b1b3228 AC |
185 | gdb_test "detach" \ |
186 | "Detaching from program: .*$escapedbinfile, process $testpid" \ | |
187 | "attach1 detach" | |
1279f4ff AC |
188 | |
189 | # Wait a bit for gdb to finish detaching | |
190 | ||
191 | exec sleep 5 | |
192 | ||
193 | # Purge the symbols from gdb's brain. (We want to be certain the | |
194 | # next attach, which won't be preceded by a "file" command, is | |
195 | # really getting the executable file without our help.) | |
196 | ||
197 | set old_timeout $timeout | |
198 | set timeout 15 | |
8b1b3228 AC |
199 | set test "attach1, purging symbols after detach" |
200 | gdb_test_multiple "file" "$test" { | |
201 | -re "No executable file now.*Discard symbol table.*y or n. $" { | |
202 | gdb_test "y" "No symbol file now." "$test" | |
1279f4ff AC |
203 | } |
204 | } | |
205 | set timeout $old_timeout | |
206 | ||
207 | # Verify that we can attach to the process just by giving the | |
208 | # process ID. | |
209 | ||
8b1b3228 AC |
210 | set test "set file, before attach2" |
211 | gdb_test_multiple "attach $testpid" "$test" { | |
212 | -re "Attaching to process $testpid.*Load new symbol table from \"$escapedbinfile\.exe\".*y or n. $" { | |
1279f4ff AC |
213 | # On Cygwin, the DLL's symbol tables are loaded prior to the |
214 | # executable's symbol table. This in turn always results in | |
215 | # asking the user for actually loading the symbol table of the | |
216 | # executable. | |
8b1b3228 AC |
217 | gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \ |
218 | "$test (reset file)" | |
1279f4ff AC |
219 | } |
220 | -re "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*$gdb_prompt $" { | |
8b1b3228 | 221 | pass "$test" |
1279f4ff AC |
222 | } |
223 | } | |
224 | ||
225 | # Verify that we can modify the variable "should_exit" in the | |
226 | # program. | |
227 | ||
8b1b3228 | 228 | gdb_test "set should_exit=1" "" "after attach2, set should_exit" |
1279f4ff AC |
229 | |
230 | # Verify that the modification really happened. | |
231 | ||
232 | send_gdb "tbreak 19\n" | |
233 | gdb_expect { | |
234 | -re "Breakpoint .*at.*$srcfile, line 19.*$gdb_prompt $" { | |
235 | pass "after attach2, set tbreak postloop" | |
236 | } | |
237 | -re "$gdb_prompt $" { | |
238 | fail "after attach2, set tbreak postloop" | |
239 | } | |
240 | timeout { | |
241 | fail "(timeout) after attach2, set tbreak postloop" | |
242 | } | |
243 | } | |
244 | send_gdb "continue\n" | |
245 | gdb_expect { | |
246 | -re "main.*at.*$srcfile:19.*$gdb_prompt $" { | |
247 | pass "after attach2, reach tbreak postloop" | |
248 | } | |
249 | -re "$gdb_prompt $" { | |
250 | fail "after attach2, reach tbreak postloop" | |
251 | } | |
252 | timeout { | |
253 | fail "(timeout) after attach2, reach tbreak postloop" | |
254 | } | |
255 | } | |
256 | ||
257 | # Allow the test process to exit, to cleanup after ourselves. | |
258 | ||
8b1b3228 | 259 | gdb_test "continue" "Program exited normally." "after attach2, exit" |
1279f4ff AC |
260 | |
261 | # Make sure we don't leave a process around to confuse | |
262 | # the next test run (and prevent the compile by keeping | |
263 | # the text file busy), in case the "set should_exit" didn't | |
264 | # work. | |
265 | ||
266 | remote_exec build "kill -9 ${testpid}" | |
8b1b3228 | 267 | |
1279f4ff AC |
268 | # Start the program running and then wait for a bit, to be sure |
269 | # that it can be attached to. | |
270 | ||
271 | set testpid [eval exec $binfile &] | |
272 | exec sleep 2 | |
273 | if { [istarget "*-*-cygwin*"] } { | |
274 | # testpid is the Cygwin PID, GDB uses the Windows PID, which might be | |
275 | # different due to the way fork/exec works. | |
276 | set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ] | |
277 | } | |
278 | ||
279 | # Verify that we can attach to the process, and find its a.out | |
280 | # when we're cd'd to some directory that doesn't contain the | |
281 | # a.out. (We use the source path set by the "dir" command.) | |
282 | ||
8b1b3228 AC |
283 | gdb_test "dir ${objdir}/${subdir}" "Source directories searched: .*" \ |
284 | "set source path" | |
1279f4ff | 285 | |
8b1b3228 AC |
286 | gdb_test "cd /tmp" "Working directory /tmp." \ |
287 | "cd away from process working directory" | |
1279f4ff AC |
288 | |
289 | # Explicitly flush out any knowledge of the previous attachment. | |
1279f4ff | 290 | |
8b1b3228 AC |
291 | set test "before attach3, flush symbols" |
292 | gdb_test_multiple "symbol" "$test" { | |
293 | -re "Discard symbol table from.*y or n. $" { | |
294 | gdb_test "y" "No symbol file now." \ | |
295 | "$test" | |
1279f4ff | 296 | } |
8b1b3228 AC |
297 | -re "No symbol file now.*$gdb_prompt $" { |
298 | pass "$test" | |
1279f4ff AC |
299 | } |
300 | } | |
301 | ||
8b1b3228 AC |
302 | gdb_test "exec" "No executable file now." \ |
303 | "before attach3, flush exec" | |
304 | ||
305 | gdb_test "attach $testpid" \ | |
306 | "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*" \ | |
307 | "attach when process' a.out not in cwd" | |
308 | ||
309 | set test "after attach3, exit" | |
310 | gdb_test_multiple "kill" "$test" { | |
311 | -re "Kill the program being debugged.*y or n. $" { | |
312 | gdb_test "y" "" "$test" | |
1279f4ff AC |
313 | } |
314 | } | |
315 | ||
316 | # Another "don't leave a process around" | |
317 | remote_exec build "kill -9 ${testpid}" | |
74cf1395 JM |
318 | } |
319 | ||
320 | proc do_call_attach_tests {} { | |
1279f4ff AC |
321 | global gdb_prompt |
322 | global binfile2 | |
323 | ||
324 | # Start the program running and then wait for a bit, to be sure | |
325 | # that it can be attached to. | |
74cf1395 | 326 | |
1279f4ff AC |
327 | set testpid [eval exec $binfile2 &] |
328 | exec sleep 2 | |
329 | if { [istarget "*-*-cygwin*"] } { | |
330 | # testpid is the Cygwin PID, GDB uses the Windows PID, which might be | |
331 | # different due to the way fork/exec works. | |
332 | set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ] | |
333 | } | |
334 | ||
335 | # Attach | |
336 | ||
8b1b3228 AC |
337 | gdb_test "file $binfile2" "" "force switch to gdb64, if necessary" |
338 | set test "attach call" | |
339 | gdb_test_multiple "attach $testpid" "$test" { | |
340 | -re "warning: reading register.*I.*O error.*$gdb_prompt $" { | |
341 | fail "$test (read register error)" | |
1279f4ff AC |
342 | } |
343 | -re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" { | |
8b1b3228 | 344 | pass "$test" |
1279f4ff AC |
345 | } |
346 | -re "Attaching to.*process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" { | |
8b1b3228 | 347 | pass "$test" |
1279f4ff AC |
348 | } |
349 | } | |
350 | ||
351 | # See if other registers are problems | |
352 | ||
8b1b3228 AC |
353 | set test "info other register" |
354 | gdb_test_multiple "i r r3" "$test" { | |
355 | -re "warning: reading register.*$gdb_prompt $" { | |
356 | fail "$test" | |
1279f4ff | 357 | } |
8b1b3228 AC |
358 | -re "r3.*$gdb_prompt $" { |
359 | pass "$test" | |
1279f4ff | 360 | } |
1279f4ff | 361 | } |
74cf1395 | 362 | |
1279f4ff AC |
363 | # Get rid of the process |
364 | ||
8b1b3228 AC |
365 | gdb_test "p should_exit = 1" |
366 | gdb_test "c" "Program exited normally." | |
1279f4ff AC |
367 | |
368 | # Be paranoid | |
369 | ||
370 | remote_exec build "kill -9 ${testpid}" | |
74cf1395 JM |
371 | } |
372 | ||
373 | ||
374 | # Start with a fresh gdb | |
1279f4ff | 375 | |
74cf1395 JM |
376 | gdb_exit |
377 | gdb_start | |
378 | gdb_reinitialize_dir $srcdir/$subdir | |
379 | gdb_load ${binfile} | |
380 | ||
381 | # This is a test of gdb's ability to attach to a running process. | |
1279f4ff | 382 | |
74cf1395 JM |
383 | do_attach_tests |
384 | ||
385 | # Test attaching when the target is inside a system call | |
1279f4ff | 386 | |
74cf1395 JM |
387 | gdb_exit |
388 | gdb_start | |
389 | ||
74cf1395 JM |
390 | gdb_reinitialize_dir $srcdir/$subdir |
391 | do_call_attach_tests | |
392 | ||
74cf1395 | 393 | return 0 |