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