| 1 | # Copyright 1997, 1999 Free Software Foundation, Inc. |
| 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 | |
| 24 | if { ![isnative] } then { |
| 25 | continue |
| 26 | } |
| 27 | |
| 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 |
| 212 | setup_xfail hppa2.0w-hp-hpux* CLLbs16760 |
| 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 |