gdb/testsuite/gdb.base/ena-dis-br.exp

   1 #   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
   2
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 # Please email any bugs, comments, and/or additions to this file to:
  19 # bug-gdb@prep.ai.mit.edu
  20
  21 if $tracelevel then {
  22         strace $tracelevel
  23         }
  24
  25 global usestubs
  26
  27 #
  28 # test running programs
  29 #
  30 set prms_id 0
  31 set bug_id 0
  32
  33 set testfile "break"
  34 set srcfile ${testfile}.c
  35 set binfile ${objdir}/${subdir}/${testfile}
  36
  37 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  38      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  39 }
  40
  41 gdb_exit
  42 gdb_start
  43 gdb_reinitialize_dir $srcdir/$subdir
  44 gdb_load ${binfile}
  45
  46 if ![runto_main] then { fail "enable/disable break tests suppressed" }
  47
  48 # Verify that we can set a breakpoint (the location is irrelevant),
  49 # then enable it (yes, it's already enabled by default), then hit it.
  50 #
  51 send_gdb "break marker1\n"
  52 gdb_expect {
  53   -re "Breakpoint (\[0-9\]*) at .*, line 41.*$gdb_prompt $"\
  54           {pass "break marker1"}
  55   -re "$gdb_prompt $"\
  56           {fail "break marker1"}
  57   timeout {fail "(timeout) break marker1"}
  58 }
  59
  60 send_gdb "enable $expect_out(1,string)\n"
  61 gdb_expect {
  62   -re "$gdb_prompt $"\
  63           {pass "enable break marker1"}
  64   timeout {fail "(timeout) enable break marker1"}
  65 }
  66
  67 send_gdb "info break $expect_out(1,string)\n"
  68 gdb_expect {
  69   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*$gdb_prompt $"\
  70           {pass "info break marker1"}
  71   -re "$gdb_prompt $"\
  72           {fail "info break marker1"}
  73   timeout {fail "(timeout) info break marker1"}
  74 }
  75
  76 send_gdb "continue\n"
  77 gdb_expect {
  78   -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $"\
  79           {pass "continue to break marker1"}
  80   -re "$gdb_prompt $"\
  81           {fail "continue to break marker1"}
  82   timeout {fail "(timeout) continue to break marker1"}
  83 }
  84
  85 send_gdb "delete $expect_out(1,string)\n"
  86 gdb_expect {
  87   -re "$gdb_prompt $"\
  88           {pass "delete break marker1"}
  89   timeout {fail "(timeout) delete break marker1"}
  90 }
  91
  92 # Verify that we can set a breakpoint to be self-disabling after
  93 # the first time it triggers.
  94 #
  95 send_gdb "break marker2\n"
  96 gdb_expect {
  97   -re "Breakpoint (\[0-9\]*) at .*, line 42.*$gdb_prompt $"\
  98           {pass "break marker2"}
  99   -re "$gdb_prompt $"\
 100           {fail "break marker2"}
 101   timeout {fail "(timeout) break marker2"}
 102 }
 103
 104 send_gdb "enable once $expect_out(1,string)\n"
 105 gdb_expect {
 106   -re "$gdb_prompt $"\
 107           {pass "enable once break marker2"}
 108   timeout {fail "(timeout) enable once break marker2"}
 109 }
 110
 111 send_gdb "info break $expect_out(1,string)\n"
 112 gdb_expect {
 113   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+y.*$gdb_prompt $"\
 114           {pass "info auto-disabled break marker2"}
 115   -re "$gdb_prompt $"\
 116           {fail "info auto-disabled break marker2"}
 117   timeout {fail "(timeout) info auto-disabled break marker2"}
 118 }
 119
 120 send_gdb "continue\n"
 121 gdb_expect {
 122   -re "Breakpoint \[0-9\]*, marker2.*$gdb_prompt $"\
 123           {pass "continue to auto-disabled break marker2"}
 124   -re "$gdb_prompt $"\
 125           {fail "continue to auto-disabled break marker2"}
 126   timeout {fail "(timeout) continue to auto-disabled break marker2"}
 127 }
 128
 129 send_gdb "info break $expect_out(1,string)\n"
 130 gdb_expect {
 131   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+n.*$gdb_prompt $"\
 132           {pass "info auto-disabled break marker2"}
 133   -re "$gdb_prompt $"\
 134           {fail "info auto-disabled break marker2"}
 135   timeout {fail "(timeout) info auto-disabled break marker2"}
 136 }
 137
 138 # Verify that we don't stop at a disabled breakpoint.
 139 #
 140 send_gdb "continue\n"
 141 gdb_expect {
 142   -re ".*Program exited normally.*$gdb_prompt $"\
 143           {pass "no stop"}
 144   -re "$gdb_prompt $"\
 145           {fail "no stop"}
 146   timeout {fail "(timeout) no stop"}
 147 }
 148
 149 send_gdb "run\n"
 150 gdb_expect {
 151   -re "Starting program.*$gdb_prompt $"\
 152           {pass "rerun to main"}
 153   -re "$gdb_prompt $"\
 154           {fail "rerun to main"}
 155   timeout {fail "(timeout) rerun to main"}
 156 }
 157
 158 send_gdb "continue\n"
 159 gdb_expect {
 160   -re ".*Program exited normally.*$gdb_prompt $"\
 161           {pass "no stop at auto-disabled break marker2"}
 162   -re "$gdb_prompt $"\
 163           {fail "no stop at auto-disabled break marker2"}
 164   timeout {fail "(timeout) no stop at auto-disabled break marker2"}
 165 }
 166
 167 # Verify that we can set a breakpoint to be self-deleting after
 168 # the first time it triggers.
 169 #
 170 if ![runto_main] then { fail "enable/disable break tests suppressed" }
 171
 172 send_gdb "break marker3\n"
 173 gdb_expect {
 174   -re "Breakpoint (\[0-9\]*) at .*, line 43.*$gdb_prompt $"\
 175           {pass "break marker3"}
 176   -re "$gdb_prompt $"\
 177           {fail "break marker3"}
 178   timeout {fail "(timeout) break marker3"}
 179 }
 180
 181 send_gdb "enable del $expect_out(1,string)\n"
 182 gdb_expect {
 183   -re "$gdb_prompt $"\
 184           {pass "enable del break marker3"}
 185   timeout {fail "(timeout) enable del break marker3"}
 186 }
 187
 188 send_gdb "info break $expect_out(1,string)\n"
 189 gdb_expect {
 190   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*$gdb_prompt $"\
 191           {pass "info auto-deleted break marker2"}
 192   -re "$gdb_prompt $"\
 193           {fail "info auto-deleted break marker2"}
 194   timeout {fail "(timeout) info auto-deleted break marker2"}
 195 }
 196
 197 send_gdb "continue\n"
 198 gdb_expect {
 199   -re ".*marker3 .*:43.*$gdb_prompt $"\
 200           {pass "continue to auto-deleted break marker3"}
 201   -re "Breakpoint \[0-9\]*, marker3.*$gdb_prompt $"\
 202           {fail "continue to auto-deleted break marker3"}
 203   -re "$gdb_prompt $"\
 204           {fail "continue to auto-deleted break marker3"}
 205   timeout {fail "(timeout) continue to break marker3"}
 206 }
 207
 208 send_gdb "info break $expect_out(1,string)\n"
 209 gdb_expect {
 210   -re ".*No breakpoint or watchpoint number.*$gdb_prompt $"\
 211           {pass "info auto-deleted break marker3"}
 212   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\].*$gdb_prompt $"\
 213           {fail "info auto-deleted break marker3"}
 214   -re "$gdb_prompt $"\
 215           {fail "info auto-deleted break marker3"}
 216   timeout {fail "(timeout) info auto-deleted break marker3"}
 217 }
 218
 219 # Verify that we can set a breakpoint and manually disable it (we've
 220 # already proven that disabled bp's don't trigger).
 221 #
 222 send_gdb "break marker4\n"
 223 gdb_expect {
 224   -re "Breakpoint (\[0-9\]*) at .*, line 44.*$gdb_prompt $"\
 225           {pass "break marker4"}
 226   -re "$gdb_prompt $"\
 227           {fail "break marker4"}
 228   timeout {fail "(timeout) break marker4"}
 229 }
 230
 231 send_gdb "disable $expect_out(1,string)\n"
 232 gdb_expect {
 233   -re "$gdb_prompt $"\
 234           {pass "disable break marker4"}
 235   timeout {fail "(timeout) disable break marker4"}
 236 }
 237
 238 send_gdb "info break $expect_out(1,string)\n"
 239 gdb_expect {
 240   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*$gdb_prompt $"\
 241           {pass "info break marker4"}
 242   -re "$gdb_prompt $"\
 243           {fail "info break marker4"}
 244   timeout {fail "(timeout) info break marker4"}
 245 }
 246
 247 # Verify that we can set a breakpoint with an ignore count N, which
 248 # should cause the next N triggers of the bp to be ignored.  (This is
 249 # a flavor of enablement/disablement, after all.)
 250 #
 251 if ![runto_main] then { fail "enable/disable break tests suppressed" }
 252
 253 send_gdb "break marker1\n"
 254 gdb_expect {
 255   -re "Breakpoint (\[0-9\]*) at .*, line 41.*$gdb_prompt $"\
 256           {pass "break marker1"}
 257   -re "$gdb_prompt $"\
 258           {fail "break marker1"}
 259   timeout {fail "(timeout) break marker1"}
 260 }
 261
 262 # Verify that an ignore of a non-existent breakpoint is gracefully
 263 # handled.
 264 #
 265 send_gdb "ignore 999 2\n"
 266 gdb_expect {
 267   -re "No breakpoint number 999..*$gdb_prompt $"\
 268           {pass "ignore non-existent break"}
 269   -re "$gdb_prompt $"\
 270           {fail "ignore non-existent break"}
 271   timeout {fail "(timeout) ignore non-existent break"}
 272 }
 273
 274 # Verify that a missing ignore count is gracefully handled.
 275 #
 276 send_gdb "ignore $expect_out(1,string) \n"
 277 gdb_expect {
 278   -re "Second argument .specified ignore-count. is missing..*$gdb_prompt $"\
 279           {pass "ignore break with missing ignore count"}
 280   -re "$gdb_prompt $"\
 281           {fail "ignore break with missing ignore count"}
 282   timeout {fail "(timeout) ignore break with missing ignore count"}
 283 }
 284
 285 # Verify that a negative or zero ignore count is handled gracefully
 286 # (they both are treated the same).
 287 #
 288 send_gdb "ignore $expect_out(1,string) -1\n"
 289 gdb_expect {
 290   -re "Will stop next time breakpoint \[0-9\]* is reached..*$gdb_prompt $"\
 291           {pass "ignore break marker1 -1"}
 292   -re "$gdb_prompt $"\
 293           {fail "ignore break marker1 -1"}
 294   timeout {fail "(timeout) ignore break marker1 -1"}
 295 }
 296
 297 send_gdb "ignore $expect_out(1,string) 0\n"
 298 gdb_expect {
 299   -re "Will stop next time breakpoint \[0-9\]* is reached..*$gdb_prompt $"\
 300           {pass "ignore break marker1 0"}
 301   -re "$gdb_prompt $"\
 302           {fail "ignore break marker1 0"}
 303   timeout {fail "(timeout) ignore break marker1 0"}
 304 }
 305
 306 send_gdb "ignore $expect_out(1,string) 1\n"
 307 gdb_expect {
 308   -re "Will ignore next crossing of breakpoint \[0-9\]*.*$gdb_prompt $"\
 309           {pass "ignore break marker1"}
 310   -re "$gdb_prompt $"\
 311           {fail "ignore break marker1"}
 312   timeout {fail "(timeout) ignore break marker1"}
 313 }
 314
 315 send_gdb "info break $expect_out(1,string)\n"
 316 gdb_expect {
 317   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*ignore next 1 hits.*$gdb_prompt $"\
 318           {pass "info ignored break marker1"}
 319   -re "$gdb_prompt $"\
 320           {fail "info ignored break marker1"}
 321   timeout {fail "(timeout) info ignored break marker1"}
 322 }
 323
 324 send_gdb "continue\n"
 325 gdb_expect {
 326   -re ".*Program exited normally.*$gdb_prompt $"\
 327           {pass "no stop at ignored break marker1"}
 328   -re "$gdb_prompt $"\
 329           {fail "no stop at ignored break marker1"}
 330   timeout {fail "(timeout) no stop at ignored break marker1"}
 331 }
 332
 333 send_gdb "run\n"
 334 gdb_expect {
 335   -re "Starting program.*$gdb_prompt $"\
 336           {pass "rerun to main"}
 337   -re "$gdb_prompt $"\
 338           {fail "rerun to main"}
 339   timeout {fail "(timeout) rerun to main"}
 340 }
 341
 342 send_gdb "continue\n"
 343 gdb_expect {
 344   -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $"\
 345           {pass "continue to break marker1"}
 346   -re "$gdb_prompt $"\
 347           {fail "continue to break marker1"}
 348   timeout {fail "(timeout) continue to break marker1"}
 349 }
 350
 351 # Verify that we can specify both an ignore count and an auto-delete.
 352 #
 353 if ![runto_main] then { fail "enable/disable break tests suppressed" }
 354
 355 send_gdb "break marker1\n"
 356 gdb_expect {
 357   -re "Breakpoint (\[0-9\]*) at .*, line 41.*$gdb_prompt $"\
 358           {pass "break marker1"}
 359   -re "$gdb_prompt $"\
 360           {fail "break marker1"}
 361   timeout {fail "(timeout) break marker1"}
 362 }
 363
 364 send_gdb "ignore $expect_out(1,string) 1\n"
 365 gdb_expect {
 366   -re "Will ignore next crossing of breakpoint \[0-9\]*.*$gdb_prompt $"\
 367           {pass "ignore break marker1"}
 368   -re "$gdb_prompt $"\
 369           {fail "ignore break marker1"}
 370   timeout {fail "(timeout) ignore break marker1"}
 371 }
 372
 373 send_gdb "enable del $expect_out(1,string)\n"
 374 gdb_expect {
 375   -re "$gdb_prompt $"\
 376           {pass "enable del break marker1"}
 377   timeout {fail "(timeout) enable del break marker1"}
 378 }
 379
 380 send_gdb "info break $expect_out(1,string)\n"
 381 gdb_expect {
 382   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*ignore next 1 hits.*$gdb_prompt $"\
 383           {pass "info break marker1"}
 384   -re "$gdb_prompt $"\
 385           {fail "info break marker1"}
 386   timeout {fail "(timeout) info break marker2"}
 387 }
 388
 389 send_gdb "continue\n"
 390 gdb_expect {
 391   -re ".*Program exited normally.*$gdb_prompt $"\
 392           {pass "no stop at ignored & auto-deleted break marker1"}
 393   -re "$gdb_prompt $"\
 394           {fail "no stop at ignored & auto-deleted break marker1"}
 395   timeout {fail "(timeout) no stop at ignored & auto-deleted break marker1"}
 396 }
 397
 398 send_gdb "run\n"
 399 gdb_expect {
 400   -re "Starting program.*$gdb_prompt $"\
 401           {pass "rerun to main"}
 402   -re "$gdb_prompt $"\
 403           {fail "rerun to main"}
 404   timeout {fail "(timeout) rerun to main"}
 405 }
 406
 407 send_gdb "continue\n"
 408 gdb_expect {
 409   -re ".*marker1 .*:41.*$gdb_prompt $"\
 410           {pass "continue to ignored & auto-deleted break marker1"}
 411   -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $"\
 412           {fail "continue to ignored & auto-deleted break marker1"}
 413   -re "$gdb_prompt $"\
 414           {fail "continue to ignored & auto-deleted break marker1"}
 415   timeout {fail "(timeout) continue to ignored & auto-deleted break marker1"}
 416 }
 417
 418 # Verify that a disabled breakpoint's ignore count isn't updated when
 419 # the bp is encountered.
 420 #
 421 if ![runto_main] then { fail "enable/disable break tests suppressed" }
 422
 423 send_gdb "break marker1\n"
 424 gdb_expect {
 425   -re "Breakpoint (\[0-9\]*) at .*, line 41.*$gdb_prompt $"\
 426           {pass "break marker1"}
 427   -re "$gdb_prompt $"\
 428           {fail "break marker1"}
 429   timeout {fail "(timeout) break marker1"}
 430 }
 431
 432 send_gdb "ignore $expect_out(1,string) 10\n"
 433 gdb_expect {
 434   -re "Will ignore next 10 crossings of breakpoint \[0-9\]*.*$gdb_prompt $"\
 435           {pass "ignore break marker1"}
 436   -re "$gdb_prompt $"\
 437           {fail "ignore break marker1"}
 438   timeout {fail "(timeout) ignore break marker1"}
 439 }
 440
 441 send_gdb "disable $expect_out(1,string)\n"
 442 gdb_expect {
 443   -re "$gdb_prompt $"\
 444           {pass "disable break marker1"}
 445   timeout {fail "(timeout) disable break marker1"}
 446 }
 447
 448 send_gdb "continue\n"
 449 gdb_expect {
 450   -re ".*Program exited normally.*$gdb_prompt $"\
 451           {pass "no stop at ignored & disabled break marker1"}
 452   -re "$gdb_prompt $"\
 453           {fail "no stop at ignored & disabled break marker1"}
 454   timeout {fail "(timeout) no stop at ignored & disabled break marker1"}
 455 }
 456
 457 send_gdb "run\n"
 458 gdb_expect {
 459   -re "Starting program.*$gdb_prompt $"\
 460           {pass "rerun to main"}
 461   -re "$gdb_prompt $"\
 462           {fail "rerun to main"}
 463   timeout {fail "(timeout) rerun to main"}
 464 }
 465
 466 send_gdb "info break $expect_out(1,string)\n"
 467 gdb_expect {
 468   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*ignore next 10 hits.*$gdb_prompt $"\
 469           {pass "info ignored & disabled break marker1"}
 470   -re "$gdb_prompt $"\
 471           {fail "info ignored & disabled break marker1"}
 472   timeout {fail "(timeout) info ignored & disabled break marker1"}
 473 }
 474
 475 # Verify that GDB correctly handles the "continue" command with an argument,
 476 # which is an ignore count to set on the currently stopped-at breakpoint.
 477 # (Also verify that GDB gracefully handles the case where the inferior
 478 # isn't stopped at a breakpoint.)
 479 #
 480 if ![runto_main] then { fail "enable/disable break tests suppressed" }
 481
 482 send_gdb "break 64\n"
 483 gdb_expect {
 484   -re "Breakpoint \[0-9\]*.*, line 64.*$gdb_prompt $"\
 485           {pass "prepare to continue with ignore count"}
 486   -re "$gdb_prompt $"\
 487           {fail "prepare to continue with ignore count"}
 488   timeout {fail "(timeout) prepare to continue with ignore count"}
 489 }
 490 send_gdb "continue 2\n"
 491 gdb_expect {
 492   -re "Will ignore next crossing of breakpoint \[0-9\]*.  Continuing..*$gdb_prompt $"\
 493           {pass "continue with ignore count"}
 494   -re "$gdb_prompt $"\
 495           {fail "continue with ignore count"}
 496   timeout {fail "(timeout) continue with ignore count"}
 497 }
 498
 499 send_gdb "next\n"
 500 gdb_expect {
 501   -re ".*66\[ \t\]*marker1.*$gdb_prompt $"\
 502           {pass "step after continue with ignore count"}
 503   -re "$gdb_prompt $"\
 504           {fail "step after continue with ignore count"}
 505   timeout {fail "(timeout) step after continue with ignore count"}
 506 }
 507
 508 # ??rehrauer: Huh.  This appears to be an actual bug.  (No big
 509 # surprise, since this feature hasn't been tested...)  Looks like
 510 # GDB is currently trying to set the ignore count of bp # -1!
 511 #
 512 setup_xfail hppa_*_*
 513 send_gdb "continue 2\n"
 514 gdb_expect {
 515   -re "Not stopped at any breakpoint; argument ignored..*$gdb_prompt $"\
 516           {pass "continue with ignore count, not stopped at bpt"}
 517   -re "No breakpoint number -1.*$gdb_prompt $"\
 518           {xfail "(DTS'd) continue with ignore count, not stopped at bpt"}
 519   -re "$gdb_prompt $"\
 520           {fail "continue with ignore count, not stopped at bpt"}
 521   timeout {fail "(timeout) step after continue with ignore count, not stopped at bpt"}
 522 }
 523
 524 gdb_exit
 525 return 0