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b6ba6518 | 1 | # Copyright 1997, 1999 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 | ||
17 | # Please email any bugs, comments, and/or additions to this file to: | |
18 | # bug-gdb@prep.ai.mit.edu | |
19 | ||
20 | if $tracelevel then { | |
21 | strace $tracelevel | |
22 | } | |
23 | ||
5a2468f5 JM |
24 | if { ![isnative] } then { |
25 | continue | |
26 | } | |
27 | ||
74cf1395 JM |
28 | set prms_id 0 |
29 | set bug_id 0 | |
30 | ||
31 | set testfile "foll-exec" | |
32 | set testfile2 "execd-prog" | |
33 | set srcfile ${testfile}.c | |
34 | set srcfile2 ${testfile2}.c | |
35 | set binfile ${objdir}/${subdir}/${testfile} | |
36 | set binfile2 ${objdir}/${subdir}/${testfile2} | |
37 | ||
38 | # build the first test case | |
39 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } { | |
b60f0898 JB |
40 | untested foll-exec.exp |
41 | return -1 | |
74cf1395 JM |
42 | } |
43 | ||
44 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
b60f0898 JB |
45 | untested foll-exec.exp |
46 | return -1 | |
74cf1395 JM |
47 | } |
48 | ||
49 | ||
50 | # Until "catch exec" is implemented on other targets... | |
51 | # | |
52 | if ![istarget "hppa*-hp-hpux*"] then { | |
53 | continue | |
54 | } | |
55 | ||
56 | proc zap_session {} { | |
57 | global gdb_prompt | |
58 | global binfile | |
59 | ||
60 | send_gdb "kill\n" | |
61 | gdb_expect { | |
62 | -re ".*Kill the program being debugged.*y or n. $" { | |
63 | send_gdb "y\n" | |
64 | send_gdb "file $binfile\n" | |
65 | gdb_expect { | |
66 | -re ".*Load new symbol table from.*y or n. $" { | |
67 | send_gdb "y\n" | |
68 | gdb_expect { | |
69 | -re "Reading symbols from.*$gdb_prompt $" {} | |
70 | timeout { fail "loading symbols (timeout)"; return } | |
71 | } | |
72 | } | |
73 | -re ".*gdb_prompt $" {} | |
74 | timeout { fail "loading symbols (timeout)"; return } | |
75 | } | |
76 | } | |
77 | -re ".*$gdb_prompt $" {} | |
78 | timeout { fail "killing inferior (timeout)" ; return } | |
79 | } | |
80 | } | |
81 | ||
82 | proc do_exec_tests {} { | |
83 | global gdb_prompt | |
84 | global binfile | |
85 | global srcfile | |
86 | global srcfile2 | |
87 | global testfile | |
88 | global testfile2 | |
89 | ||
90 | # Start the program running, and stop at main. | |
91 | # | |
92 | if ![runto_main] then { | |
93 | perror "Couldn't run ${testfile}" | |
94 | return | |
95 | } | |
96 | ||
97 | # Verify that we can see various global and local variables | |
98 | # in this program, and that they have expected values. Some | |
99 | # of these variables are also declared in the program we'll | |
100 | # exec in a moment. | |
101 | # | |
102 | send_gdb "next 3\n" | |
103 | gdb_expect { | |
104 | -re "20.*execlp.*$gdb_prompt $"\ | |
105 | {pass "step to exec call"} | |
106 | -re "$gdb_prompt $" {fail "step to exec call"} | |
107 | timeout {fail "(timeout) step to exec call"} | |
108 | } | |
109 | send_gdb "print global_i\n" | |
110 | gdb_expect { | |
111 | -re ".* = 100.*$gdb_prompt $"\ | |
112 | {pass "print follow-exec/global_i"} | |
113 | -re "$gdb_prompt $" {fail "print follow-exec/global_i"} | |
114 | timeout {fail "(timeout) print follow-exec/global_i"} | |
115 | } | |
116 | send_gdb "print local_j\n" | |
117 | gdb_expect { | |
118 | -re ".* = 101.*$gdb_prompt $"\ | |
119 | {pass "print follow-exec/local_j"} | |
120 | -re "$gdb_prompt $" {fail "print follow-exec/local_j"} | |
121 | timeout {fail "(timeout) print follow-exec/local_j"} | |
122 | } | |
123 | send_gdb "print local_k\n" | |
124 | gdb_expect { | |
125 | -re ".* = 102.*$gdb_prompt $"\ | |
126 | {pass "print follow-exec/local_k"} | |
127 | -re "$gdb_prompt $" {fail "print follow-exec/local_k"} | |
128 | timeout {fail "(timeout) print follow-exec/local_k"} | |
129 | } | |
130 | ||
131 | # Try stepping through an execlp call, without catching it. | |
132 | # We should stop in execd-program, at its first statement. | |
133 | # | |
134 | send_gdb "next\n" | |
135 | gdb_expect { | |
136 | -re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\ | |
137 | {pass "step through execlp call"} | |
138 | -re "$gdb_prompt $" {fail "step through execlp call"} | |
139 | timeout {fail "(timeout) step through execlp call"} | |
140 | } | |
141 | ||
142 | # Verify that we can see the variables defined in the newly-exec'd | |
143 | # program, and CANNOT see those defined in the exec'ing program. | |
144 | # | |
145 | send_gdb "next\n" | |
146 | gdb_expect { | |
147 | -re "26.*printf.*$gdb_prompt $"\ | |
148 | {pass "step after execlp call"} | |
149 | -re "$gdb_prompt $" {fail "step after execlp call"} | |
150 | timeout {fail "(timeout) step after execlp call"} | |
151 | } | |
152 | send_gdb "print global_i\n" | |
153 | gdb_expect { | |
154 | -re ".* = 0.*$gdb_prompt $"\ | |
155 | {pass "print execd-program/global_i (after execlp)"} | |
156 | -re "$gdb_prompt $" {fail "print execd-program/global_i (after execlp)"} | |
157 | timeout {fail "(timeout) print execd-program/global_i (after execlp)"} | |
158 | } | |
159 | send_gdb "print local_j\n" | |
160 | gdb_expect { | |
161 | -re ".* = 2.*$gdb_prompt $"\ | |
162 | {pass "print execd-program/local_j (after execlp)"} | |
163 | -re "$gdb_prompt $" {fail "print execd-program/local_j (after execlp)"} | |
164 | timeout {fail "(timeout) print execd-program/local_j (after execlp)"} | |
165 | } | |
166 | send_gdb "print local_k\n" | |
167 | gdb_expect { | |
168 | -re "No symbol \"local_k\" in current context.*$gdb_prompt $"\ | |
169 | {pass "print follow-exec/local_k (after execlp)"} | |
170 | -re "$gdb_prompt $" {fail "print follow-exec/local_k (after execlp)"} | |
171 | timeout {fail "(timeout) print follow-exec/local_k (after execlp)"} | |
172 | } | |
173 | ||
174 | # Explicitly kill this program, or a subsequent rerun actually runs | |
175 | # the exec'd program, not the original program... | |
176 | zap_session | |
177 | ||
178 | # Start the program running, and stop at main. | |
179 | # | |
180 | if ![runto_main] then { | |
181 | perror "Couldn't run ${testfile} (2nd try)" | |
182 | return | |
183 | } | |
184 | ||
185 | # Verify that we can catch an exec event, and then continue | |
186 | # to follow through the exec. (Since there's a breakpoint on | |
187 | # "main", it'll also be transferred to the exec'd program, | |
188 | # and we expect to stop there.) | |
189 | # | |
190 | send_gdb "catch exec\n" | |
191 | gdb_expect { | |
192 | -re "Catchpoint .*(exec).*$gdb_prompt $"\ | |
193 | {pass "set catch exec"} | |
194 | -re "$gdb_prompt $" {fail "set catch exec"} | |
195 | timeout {fail "(timeout) set catch exec"} | |
196 | } | |
197 | ||
198 | # Verify that the catchpoint is mentioned in an "info breakpoints", | |
199 | # and further that the catchpoint mentions no program name. | |
200 | # | |
201 | send_gdb "info breakpoints\n" | |
202 | gdb_expect { | |
203 | -re ".*catch exec.*keep y.*$gdb_prompt $"\ | |
204 | {pass "info shows catchpoint without exec pathname"} | |
205 | -re ".*catch exec.*program \"\".*$gdb_prompt $"\ | |
206 | {fail "info shows catchpoint without exec pathname"} | |
207 | -re "$gdb_prompt $" {fail "info shows catchpoint without exec pathname"} | |
208 | timeout {fail "(timeout) info shows catchpoint without exec pathname"} | |
209 | } | |
210 | ||
211 | # DTS CLLbs16760 | |
212 | # PA64 doesn't know about $START$ in dld.sl at this point. It should. | |
213 | # - Michael Coulter | |
a0b3c4fd | 214 | setup_xfail hppa2.0w-hp-hpux* CLLbs16760 |
74cf1395 JM |
215 | send_gdb "continue\n" |
216 | gdb_expect { | |
217 | -re ".*Executing new program:.*${testfile2}.*Catchpoint .*(exec\'d .*${testfile2}).*in .START..*$gdb_prompt $"\ | |
218 | {pass "hit catch exec"} | |
219 | -re "$gdb_prompt $" {fail "hit catch exec"} | |
220 | timeout {fail "(timeout) hit catch exec"} | |
221 | } | |
222 | ||
223 | # DTS CLLbs16760 | |
224 | # test gets out of sync if previous test fails. | |
225 | gdb_test "bt" ".*" "sync up after possible failure 1" | |
226 | gdb_test "bt" "#0.*" "sync up after possible failure 2" | |
227 | ||
228 | # Verify that the catchpoint is mentioned in an "info breakpoints", | |
229 | # and further that the catchpoint managed to capture the exec'd | |
230 | # program's name. | |
231 | # | |
232 | send_gdb "info breakpoints\n" | |
233 | gdb_expect { | |
234 | -re ".*catch exec .*program \".*${testfile2}\".*$gdb_prompt $"\ | |
235 | {pass "info shows catchpoint exec pathname"} | |
236 | -re "$gdb_prompt $" {fail "info shows catchpoint exec pathname"} | |
237 | timeout {fail "(timeout) info shows catchpoint exec pathname"} | |
238 | } | |
239 | ||
240 | # Verify that we can continue from the catchpoint, and land in the | |
241 | # main of the newly-exec'd program. | |
242 | # | |
243 | send_gdb "continue\n" | |
244 | gdb_expect { | |
245 | -re ".*${srcfile2}:23.*$gdb_prompt $"\ | |
246 | {pass "continue after hit catch exec"} | |
247 | -re "$gdb_prompt $" {fail "continue after hit catch exec"} | |
248 | timeout {fail "(timeout) continue after hit catch exec"} | |
249 | } | |
250 | ||
251 | # Explicitly kill this program, or a subsequent rerun actually runs | |
252 | # the exec'd program, not the original program... | |
253 | zap_session | |
254 | ||
255 | # Start the program running, and stop at main. | |
256 | # | |
257 | if ![runto_main] then { | |
258 | perror "Couldn't run ${testfile} (3rd try)" | |
259 | return | |
260 | } | |
261 | ||
262 | # Verify that we can follow through follow an execl() | |
263 | # call. (We must jump around earlier exec* calls.) | |
264 | # | |
265 | send_gdb "tbreak 27\n" | |
266 | gdb_expect { | |
267 | -re "Breakpoint .*file .*${srcfile}, line 27.*$gdb_prompt $"\ | |
268 | {pass "prepare to jump to execl call"} | |
269 | -re "$gdb_prompt $" {fail "prepare to jump to execl call"} | |
270 | timeout {fail "(timeout) prepare to jump to execl call"} | |
271 | } | |
272 | send_gdb "jump 27\n" | |
273 | gdb_expect { | |
274 | -re "main.* at .*${srcfile}:27.*$gdb_prompt $"\ | |
275 | {pass "jump to execl call"} | |
276 | -re "$gdb_prompt $" {fail "jump to execl call"} | |
277 | timeout {fail "(timeout) jump to execl call"} | |
278 | } | |
279 | # Note that stepping through an exec call causes the step-count | |
280 | # to be reset to zero. I.e.: you may specify "next 2" at the | |
281 | # call, but you'll actually stop at the first breakpoint set in | |
282 | # the newly-exec'd program, not after the remaining step-count | |
283 | # reaches zero. | |
284 | # | |
285 | send_gdb "next 2\n" | |
286 | gdb_expect { | |
287 | -re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\ | |
288 | {pass "step through execl call"} | |
289 | -re "$gdb_prompt $" {fail "step through execl call"} | |
290 | timeout {fail "(timeout) step through execl call"} | |
291 | } | |
292 | send_gdb "next\n" | |
293 | gdb_expect { | |
294 | -re "26.*printf.*$gdb_prompt $"\ | |
295 | {pass "step after execl call"} | |
296 | -re "$gdb_prompt $" {fail "step after execl call"} | |
297 | timeout {fail "(timeout) step after execl call"} | |
298 | } | |
299 | ||
300 | # Verify that we can print a local variable (which happens to be | |
301 | # assigned the value of main's argc). | |
302 | # | |
303 | send_gdb "print local_j\n" | |
304 | gdb_expect { | |
305 | -re ".* = 3.*$gdb_prompt $"\ | |
306 | {pass "print execd-program/local_j (after execl)"} | |
307 | -re "$gdb_prompt $" {fail "print execd-program/local_j (after execl)"} | |
308 | timeout {fail "(timeout) print execd-program/local_j (after execl)"} | |
309 | } | |
310 | ||
311 | # Explicitly kill this program, or a subsequent rerun actually runs | |
312 | # the exec'd program, not the original program... | |
313 | zap_session | |
314 | ||
315 | # Start the program running, and stop at main. | |
316 | # | |
317 | if ![runto_main] then { | |
318 | perror "Couldn't run ${testfile} (4th try)" | |
319 | return | |
320 | } | |
321 | ||
322 | # Verify that we can follow through follow an execv() | |
323 | # call. (We must jump around earlier exec* calls.) | |
324 | # | |
325 | send_gdb "tbreak 41\n" | |
326 | gdb_expect { | |
327 | -re "Breakpoint .*file .*${srcfile}, line 41.*$gdb_prompt $"\ | |
328 | {pass "prepare to jump to execv call"} | |
329 | -re "$gdb_prompt $" {fail "prepare to jump to execv call"} | |
330 | timeout {fail "(timeout) prepare to jump to execv call"} | |
331 | } | |
332 | send_gdb "jump 41\n" | |
333 | gdb_expect { | |
334 | -re "main.* at .*${srcfile}:41.*$gdb_prompt $"\ | |
335 | {pass "jump to execv call"} | |
336 | -re "$gdb_prompt $" {fail "jump to execv call"} | |
337 | timeout {fail "(timeout) jump to execv call"} | |
338 | } | |
339 | send_gdb "next\n" | |
340 | gdb_expect { | |
341 | -re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\ | |
342 | {pass "step through execv call"} | |
343 | -re "$gdb_prompt $" {fail "step through execv call"} | |
344 | timeout {fail "(timeout) step through execv call"} | |
345 | } | |
346 | send_gdb "next\n" | |
347 | gdb_expect { | |
348 | -re "26.*printf.*$gdb_prompt $"\ | |
349 | {pass "step after execv call"} | |
350 | -re "$gdb_prompt $" {fail "step after execv call"} | |
351 | timeout {fail "(timeout) step after execv call"} | |
352 | } | |
353 | ||
354 | # Verify that we can print a local variable (which happens to be | |
355 | # assigned the value of main's argc). | |
356 | # | |
357 | send_gdb "print local_j\n" | |
358 | gdb_expect { | |
359 | -re ".* = 2.*$gdb_prompt $"\ | |
360 | {pass "print execd-program/local_j (after execv)"} | |
361 | -re "$gdb_prompt $" {fail "print execd-program/local_j (after execv)"} | |
362 | timeout {fail "(timeout) print execd-program/local_j (after execv)"} | |
363 | } | |
364 | ||
365 | # Explicitly kill this program, or a subsequent rerun actually runs | |
366 | # the exec'd program, not the original program... | |
367 | zap_session | |
368 | ||
369 | # Start the program running, and stop at main. | |
370 | # | |
371 | if ![runto_main] then { | |
372 | perror "Couldn't run ${testfile} (5th try)" | |
373 | return | |
374 | } | |
375 | ||
376 | # Verify that we can just continue and thereby follow through an | |
377 | # exec call. (Since the breakpoint on "main" is reset, we should | |
378 | # just stop in main of the newly-exec'd program.) | |
379 | # | |
380 | send_gdb "continue\n" | |
381 | gdb_expect { | |
382 | -re "Executing new program: .*${testfile2}.*${srcfile2}:23.*int local_j = argc;.*$gdb_prompt $"\ | |
383 | {pass "continue through exec"} | |
384 | -re "$gdb_prompt $" {fail "continue through exec"} | |
385 | timeout {fail "(timeout) continue through exec"} | |
386 | } | |
387 | } | |
388 | ||
389 | # Start with a fresh gdb | |
390 | ||
391 | gdb_exit | |
392 | gdb_start | |
393 | gdb_reinitialize_dir $srcdir/$subdir | |
394 | gdb_load ${binfile} | |
395 | ||
396 | ||
397 | # This is a test of gdb's ability to follow a process through a | |
398 | # Unix exec() system call. | |
399 | # | |
400 | do_exec_tests | |
401 | ||
402 | return 0 |