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32d0add0 | 1 | # Copyright 1997-2015 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 | |
e22f8b7c | 5 | # the Free Software Foundation; either version 3 of the License, or |
74cf1395 | 6 | # (at your option) any later version. |
e22f8b7c | 7 | # |
74cf1395 JM |
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. | |
e22f8b7c | 12 | # |
74cf1395 | 13 | # You should have received a copy of the GNU General Public License |
e85a822c | 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
74cf1395 | 15 | |
2fd33e94 DB |
16 | # This is a test of gdb's ability to follow a process through a |
17 | # Unix exec() system call. | |
18 | ||
2d4e0376 YQ |
19 | # Until "catch exec" is implemented on other targets... |
20 | # | |
3ca22649 | 21 | if { ![istarget "*-linux*"] } then { |
2d4e0376 YQ |
22 | continue |
23 | } | |
74cf1395 | 24 | |
289f9037 TT |
25 | standard_testfile foll-exec.c |
26 | ||
74cf1395 | 27 | set testfile2 "execd-prog" |
74cf1395 | 28 | set srcfile2 ${testfile2}.c |
289f9037 | 29 | set binfile2 [standard_output_file ${testfile2}] |
74cf1395 | 30 | |
3fef966c TT |
31 | set compile_options debug |
32 | set dirname [relative_filename [pwd] [file dirname $binfile]] | |
33 | lappend compile_options "additional_flags=-DBASEDIR=\"$dirname\"" | |
34 | ||
74cf1395 | 35 | # build the first test case |
3fef966c | 36 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable $compile_options] != "" } { |
b60f0898 JB |
37 | untested foll-exec.exp |
38 | return -1 | |
74cf1395 JM |
39 | } |
40 | ||
3fef966c | 41 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $compile_options] != "" } { |
b60f0898 JB |
42 | untested foll-exec.exp |
43 | return -1 | |
74cf1395 JM |
44 | } |
45 | ||
74cf1395 | 46 | proc do_exec_tests {} { |
2fd33e94 | 47 | global binfile srcfile srcfile2 testfile testfile2 |
74cf1395 | 48 | global gdb_prompt |
74cf1395 JM |
49 | |
50 | # Start the program running, and stop at main. | |
51 | # | |
52 | if ![runto_main] then { | |
2fd33e94 | 53 | fail "Couldn't run ${testfile}" |
74cf1395 JM |
54 | return |
55 | } | |
56 | ||
e85a822c DJ |
57 | # Verify that the system supports "catch exec". |
58 | gdb_test "catch exec" "Catchpoint \[0-9\]* \\(exec\\)" "insert first exec catchpoint" | |
59 | set has_exec_catchpoints 0 | |
60 | gdb_test_multiple "continue" "continue to first exec catchpoint" { | |
77b06cd7 | 61 | -re ".*Your system does not support this type\r\nof catchpoint.*$gdb_prompt $" { |
e85a822c DJ |
62 | unsupported "continue to first exec catchpoint" |
63 | } | |
64 | -re ".*Catchpoint.*$gdb_prompt $" { | |
65 | set has_exec_catchpoints 1 | |
66 | pass "continue to first exec catchpoint" | |
67 | } | |
68 | } | |
69 | ||
70 | if {$has_exec_catchpoints == 0} { | |
71 | unsupported "exec catchpoints" | |
72 | return | |
73 | } | |
74 | ||
2fd33e94 | 75 | clean_restart $binfile |
e85a822c DJ |
76 | |
77 | # Start the program running, and stop at main. | |
78 | # | |
79 | if ![runto_main] then { | |
2fd33e94 | 80 | fail "Couldn't run ${testfile}" |
e85a822c DJ |
81 | return |
82 | } | |
83 | ||
74cf1395 JM |
84 | # Verify that we can see various global and local variables |
85 | # in this program, and that they have expected values. Some | |
86 | # of these variables are also declared in the program we'll | |
87 | # exec in a moment. | |
88 | # | |
89 | send_gdb "next 3\n" | |
90 | gdb_expect { | |
58fa2af0 | 91 | -re "execlp \\(.*$gdb_prompt $"\ |
74cf1395 JM |
92 | {pass "step to exec call"} |
93 | -re "$gdb_prompt $" {fail "step to exec call"} | |
94 | timeout {fail "(timeout) step to exec call"} | |
95 | } | |
96 | send_gdb "print global_i\n" | |
97 | gdb_expect { | |
98 | -re ".* = 100.*$gdb_prompt $"\ | |
99 | {pass "print follow-exec/global_i"} | |
100 | -re "$gdb_prompt $" {fail "print follow-exec/global_i"} | |
101 | timeout {fail "(timeout) print follow-exec/global_i"} | |
102 | } | |
103 | send_gdb "print local_j\n" | |
104 | gdb_expect { | |
105 | -re ".* = 101.*$gdb_prompt $"\ | |
106 | {pass "print follow-exec/local_j"} | |
107 | -re "$gdb_prompt $" {fail "print follow-exec/local_j"} | |
108 | timeout {fail "(timeout) print follow-exec/local_j"} | |
109 | } | |
110 | send_gdb "print local_k\n" | |
111 | gdb_expect { | |
112 | -re ".* = 102.*$gdb_prompt $"\ | |
113 | {pass "print follow-exec/local_k"} | |
114 | -re "$gdb_prompt $" {fail "print follow-exec/local_k"} | |
115 | timeout {fail "(timeout) print follow-exec/local_k"} | |
116 | } | |
117 | ||
118 | # Try stepping through an execlp call, without catching it. | |
119 | # We should stop in execd-program, at its first statement. | |
120 | # | |
58fa2af0 | 121 | set execd_line [gdb_get_line_number "after-exec" $srcfile2] |
74cf1395 JM |
122 | send_gdb "next\n" |
123 | gdb_expect { | |
58fa2af0 | 124 | -re ".*xecuting new program: .*${testfile2}.*${srcfile2}:${execd_line}.*int local_j = argc;.*$gdb_prompt $"\ |
74cf1395 JM |
125 | {pass "step through execlp call"} |
126 | -re "$gdb_prompt $" {fail "step through execlp call"} | |
127 | timeout {fail "(timeout) step through execlp call"} | |
128 | } | |
129 | ||
130 | # Verify that we can see the variables defined in the newly-exec'd | |
131 | # program, and CANNOT see those defined in the exec'ing program. | |
132 | # | |
133 | send_gdb "next\n" | |
134 | gdb_expect { | |
58fa2af0 | 135 | -re "printf \\(.Hello .*$gdb_prompt $"\ |
74cf1395 JM |
136 | {pass "step after execlp call"} |
137 | -re "$gdb_prompt $" {fail "step after execlp call"} | |
138 | timeout {fail "(timeout) step after execlp call"} | |
139 | } | |
140 | send_gdb "print global_i\n" | |
141 | gdb_expect { | |
142 | -re ".* = 0.*$gdb_prompt $"\ | |
143 | {pass "print execd-program/global_i (after execlp)"} | |
144 | -re "$gdb_prompt $" {fail "print execd-program/global_i (after execlp)"} | |
145 | timeout {fail "(timeout) print execd-program/global_i (after execlp)"} | |
146 | } | |
147 | send_gdb "print local_j\n" | |
148 | gdb_expect { | |
149 | -re ".* = 2.*$gdb_prompt $"\ | |
150 | {pass "print execd-program/local_j (after execlp)"} | |
151 | -re "$gdb_prompt $" {fail "print execd-program/local_j (after execlp)"} | |
152 | timeout {fail "(timeout) print execd-program/local_j (after execlp)"} | |
153 | } | |
154 | send_gdb "print local_k\n" | |
155 | gdb_expect { | |
156 | -re "No symbol \"local_k\" in current context.*$gdb_prompt $"\ | |
157 | {pass "print follow-exec/local_k (after execlp)"} | |
158 | -re "$gdb_prompt $" {fail "print follow-exec/local_k (after execlp)"} | |
159 | timeout {fail "(timeout) print follow-exec/local_k (after execlp)"} | |
160 | } | |
161 | ||
162 | # Explicitly kill this program, or a subsequent rerun actually runs | |
163 | # the exec'd program, not the original program... | |
2fd33e94 | 164 | clean_restart $binfile |
74cf1395 JM |
165 | |
166 | # Start the program running, and stop at main. | |
167 | # | |
168 | if ![runto_main] then { | |
2fd33e94 | 169 | fail "Couldn't run ${testfile} (2nd try)" |
74cf1395 JM |
170 | return |
171 | } | |
172 | ||
173 | # Verify that we can catch an exec event, and then continue | |
174 | # to follow through the exec. (Since there's a breakpoint on | |
175 | # "main", it'll also be transferred to the exec'd program, | |
176 | # and we expect to stop there.) | |
177 | # | |
178 | send_gdb "catch exec\n" | |
179 | gdb_expect { | |
180 | -re "Catchpoint .*(exec).*$gdb_prompt $"\ | |
181 | {pass "set catch exec"} | |
182 | -re "$gdb_prompt $" {fail "set catch exec"} | |
183 | timeout {fail "(timeout) set catch exec"} | |
184 | } | |
185 | ||
186 | # Verify that the catchpoint is mentioned in an "info breakpoints", | |
187 | # and further that the catchpoint mentions no program name. | |
188 | # | |
462f405c JB |
189 | set msg "info shows catchpoint without exec pathname" |
190 | gdb_test_multiple "info breakpoints" $msg { | |
191 | -re ".*catchpoint.*keep y.*exec\[\n\r\]+$gdb_prompt $" { | |
192 | pass $msg | |
193 | } | |
74cf1395 JM |
194 | } |
195 | ||
74cf1395 JM |
196 | send_gdb "continue\n" |
197 | gdb_expect { | |
6c95b8df | 198 | -re ".*xecuting new program:.*${testfile2}.*Catchpoint .*(exec\'d .*${testfile2}).*in .*$gdb_prompt $"\ |
74cf1395 JM |
199 | {pass "hit catch exec"} |
200 | -re "$gdb_prompt $" {fail "hit catch exec"} | |
201 | timeout {fail "(timeout) hit catch exec"} | |
202 | } | |
203 | ||
204 | # DTS CLLbs16760 | |
205 | # test gets out of sync if previous test fails. | |
206 | gdb_test "bt" ".*" "sync up after possible failure 1" | |
207 | gdb_test "bt" "#0.*" "sync up after possible failure 2" | |
208 | ||
209 | # Verify that the catchpoint is mentioned in an "info breakpoints", | |
210 | # and further that the catchpoint managed to capture the exec'd | |
211 | # program's name. | |
212 | # | |
462f405c JB |
213 | set msg "info shows catchpoint exec pathname" |
214 | gdb_test_multiple "info breakpoints" $msg { | |
215 | -re ".*catchpoint.*keep y.*exec, program \".*${testfile2}\".*$gdb_prompt $" { | |
216 | pass $msg | |
217 | } | |
74cf1395 JM |
218 | } |
219 | ||
220 | # Verify that we can continue from the catchpoint, and land in the | |
221 | # main of the newly-exec'd program. | |
222 | # | |
223 | send_gdb "continue\n" | |
224 | gdb_expect { | |
58fa2af0 | 225 | -re ".*${srcfile2}:${execd_line}.*$gdb_prompt $"\ |
74cf1395 JM |
226 | {pass "continue after hit catch exec"} |
227 | -re "$gdb_prompt $" {fail "continue after hit catch exec"} | |
228 | timeout {fail "(timeout) continue after hit catch exec"} | |
229 | } | |
230 | ||
231 | # Explicitly kill this program, or a subsequent rerun actually runs | |
232 | # the exec'd program, not the original program... | |
2fd33e94 | 233 | clean_restart $binfile |
74cf1395 JM |
234 | |
235 | # Start the program running, and stop at main. | |
236 | # | |
237 | if ![runto_main] then { | |
2fd33e94 | 238 | fail "Couldn't run ${testfile} (3rd try)" |
74cf1395 JM |
239 | return |
240 | } | |
241 | ||
242 | # Verify that we can follow through follow an execl() | |
243 | # call. (We must jump around earlier exec* calls.) | |
244 | # | |
58fa2af0 AA |
245 | set tbreak_line [gdb_get_line_number "tbreak-execl" $srcfile] |
246 | send_gdb "tbreak ${tbreak_line}\n" | |
74cf1395 | 247 | gdb_expect { |
58fa2af0 | 248 | -re "Temporary breakpoint .*file .*${srcfile}, line ${tbreak_line}.*$gdb_prompt $"\ |
74cf1395 JM |
249 | {pass "prepare to jump to execl call"} |
250 | -re "$gdb_prompt $" {fail "prepare to jump to execl call"} | |
251 | timeout {fail "(timeout) prepare to jump to execl call"} | |
252 | } | |
58fa2af0 | 253 | send_gdb "jump ${tbreak_line}\n" |
74cf1395 | 254 | gdb_expect { |
58fa2af0 | 255 | -re "main.* at .*${srcfile}:${tbreak_line}.*$gdb_prompt $"\ |
74cf1395 JM |
256 | {pass "jump to execl call"} |
257 | -re "$gdb_prompt $" {fail "jump to execl call"} | |
258 | timeout {fail "(timeout) jump to execl call"} | |
259 | } | |
260 | # Note that stepping through an exec call causes the step-count | |
261 | # to be reset to zero. I.e.: you may specify "next 2" at the | |
262 | # call, but you'll actually stop at the first breakpoint set in | |
263 | # the newly-exec'd program, not after the remaining step-count | |
264 | # reaches zero. | |
265 | # | |
266 | send_gdb "next 2\n" | |
267 | gdb_expect { | |
58fa2af0 | 268 | -re ".*xecuting new program: .*${testfile2}.*${srcfile2}:${execd_line}.*int local_j = argc;.*$gdb_prompt $"\ |
74cf1395 JM |
269 | {pass "step through execl call"} |
270 | -re "$gdb_prompt $" {fail "step through execl call"} | |
271 | timeout {fail "(timeout) step through execl call"} | |
272 | } | |
273 | send_gdb "next\n" | |
274 | gdb_expect { | |
58fa2af0 | 275 | -re "printf \\(.Hello .*$gdb_prompt $"\ |
74cf1395 JM |
276 | {pass "step after execl call"} |
277 | -re "$gdb_prompt $" {fail "step after execl call"} | |
278 | timeout {fail "(timeout) step after execl call"} | |
279 | } | |
280 | ||
281 | # Verify that we can print a local variable (which happens to be | |
282 | # assigned the value of main's argc). | |
283 | # | |
284 | send_gdb "print local_j\n" | |
285 | gdb_expect { | |
286 | -re ".* = 3.*$gdb_prompt $"\ | |
287 | {pass "print execd-program/local_j (after execl)"} | |
288 | -re "$gdb_prompt $" {fail "print execd-program/local_j (after execl)"} | |
289 | timeout {fail "(timeout) print execd-program/local_j (after execl)"} | |
290 | } | |
291 | ||
292 | # Explicitly kill this program, or a subsequent rerun actually runs | |
293 | # the exec'd program, not the original program... | |
2fd33e94 | 294 | clean_restart $binfile |
74cf1395 JM |
295 | |
296 | # Start the program running, and stop at main. | |
297 | # | |
298 | if ![runto_main] then { | |
2fd33e94 | 299 | fail "Couldn't run ${testfile} (4th try)" |
74cf1395 JM |
300 | return |
301 | } | |
302 | ||
303 | # Verify that we can follow through follow an execv() | |
304 | # call. (We must jump around earlier exec* calls.) | |
305 | # | |
58fa2af0 AA |
306 | set tbreak_line [gdb_get_line_number "tbreak-execv"] |
307 | send_gdb "tbreak ${tbreak_line}\n" | |
74cf1395 | 308 | gdb_expect { |
58fa2af0 | 309 | -re "Temporary breakpoint .*file .*${srcfile}, line ${tbreak_line}.*$gdb_prompt $"\ |
74cf1395 JM |
310 | {pass "prepare to jump to execv call"} |
311 | -re "$gdb_prompt $" {fail "prepare to jump to execv call"} | |
312 | timeout {fail "(timeout) prepare to jump to execv call"} | |
313 | } | |
58fa2af0 | 314 | send_gdb "jump ${tbreak_line}\n" |
74cf1395 | 315 | gdb_expect { |
58fa2af0 | 316 | -re "main.* at .*${srcfile}:${tbreak_line}.*$gdb_prompt $"\ |
74cf1395 JM |
317 | {pass "jump to execv call"} |
318 | -re "$gdb_prompt $" {fail "jump to execv call"} | |
319 | timeout {fail "(timeout) jump to execv call"} | |
320 | } | |
321 | send_gdb "next\n" | |
322 | gdb_expect { | |
58fa2af0 | 323 | -re ".*xecuting new program: .*${testfile2}.*${srcfile2}:${execd_line}.*int local_j = argc;.*$gdb_prompt $"\ |
74cf1395 JM |
324 | {pass "step through execv call"} |
325 | -re "$gdb_prompt $" {fail "step through execv call"} | |
326 | timeout {fail "(timeout) step through execv call"} | |
327 | } | |
328 | send_gdb "next\n" | |
329 | gdb_expect { | |
58fa2af0 | 330 | -re "printf \\(.Hello .*$gdb_prompt $"\ |
74cf1395 JM |
331 | {pass "step after execv call"} |
332 | -re "$gdb_prompt $" {fail "step after execv call"} | |
333 | timeout {fail "(timeout) step after execv call"} | |
334 | } | |
335 | ||
336 | # Verify that we can print a local variable (which happens to be | |
337 | # assigned the value of main's argc). | |
338 | # | |
339 | send_gdb "print local_j\n" | |
340 | gdb_expect { | |
341 | -re ".* = 2.*$gdb_prompt $"\ | |
342 | {pass "print execd-program/local_j (after execv)"} | |
343 | -re "$gdb_prompt $" {fail "print execd-program/local_j (after execv)"} | |
344 | timeout {fail "(timeout) print execd-program/local_j (after execv)"} | |
345 | } | |
346 | ||
347 | # Explicitly kill this program, or a subsequent rerun actually runs | |
348 | # the exec'd program, not the original program... | |
2fd33e94 | 349 | clean_restart $binfile |
74cf1395 JM |
350 | |
351 | # Start the program running, and stop at main. | |
352 | # | |
353 | if ![runto_main] then { | |
2fd33e94 | 354 | fail "Couldn't run ${testfile} (5th try)" |
74cf1395 JM |
355 | return |
356 | } | |
357 | ||
358 | # Verify that we can just continue and thereby follow through an | |
359 | # exec call. (Since the breakpoint on "main" is reset, we should | |
360 | # just stop in main of the newly-exec'd program.) | |
361 | # | |
362 | send_gdb "continue\n" | |
363 | gdb_expect { | |
58fa2af0 | 364 | -re ".*xecuting new program: .*${testfile2}.*${srcfile2}:${execd_line}.*int local_j = argc;.*$gdb_prompt $"\ |
74cf1395 JM |
365 | {pass "continue through exec"} |
366 | -re "$gdb_prompt $" {fail "continue through exec"} | |
367 | timeout {fail "(timeout) continue through exec"} | |
368 | } | |
369 | } | |
370 | ||
371 | # Start with a fresh gdb | |
372 | ||
373 | gdb_exit | |
2fd33e94 | 374 | clean_restart $binfile |
74cf1395 | 375 | |
74cf1395 JM |
376 | do_exec_tests |
377 | ||
378 | return 0 |