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

   1 #   Copyright (C) 1997, 1998, 1999 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}" "${binfile}" executable {debug}] != "" } {
  38      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  39 }
  40
  41 proc rerun_to_main {} {
  42   global gdb_prompt
  43
  44   if [target_info exists use_gdb_stub] {
  45     gdb_run_cmd
  46     gdb_expect {
  47       -re ".*Breakpoint .*main .*$gdb_prompt $"\
  48               {pass "rerun to main" ; return 0}
  49       -re "$gdb_prompt $"\
  50               {fail "rerun to main" ; return 0}
  51       timeout {fail "(timeout) rerun to main" ; return 0}
  52     }
  53   } else {
  54     send_gdb "run\n"
  55     gdb_expect {
  56       -re "Starting program.*$gdb_prompt $"\
  57               {pass "rerun to main" ; return 0}
  58       -re "$gdb_prompt $"\
  59               {fail "rerun to main" ; return 0}
  60       timeout {fail "(timeout) rerun to main" ; return 0}
  61     }
  62   }
  63 }
  64
  65 gdb_exit
  66 gdb_start
  67 gdb_reinitialize_dir $srcdir/$subdir
  68 gdb_load ${binfile}
  69
  70 if ![runto_main] then { fail "enable/disable break tests suppressed" }
  71
  72 # Verify that we can set a breakpoint (the location is irrelevant),
  73 # then enable it (yes, it's already enabled by default), then hit it.
  74 #
  75 send_gdb "break marker1\n"
  76 gdb_expect {
  77   -re "Breakpoint (\[0-9\]*) at .*, line 4\[38\].*$gdb_prompt $"\
  78           {pass "break marker1"}
  79   -re "$gdb_prompt $"\
  80           {fail "break marker1"}
  81   timeout {fail "(timeout) break marker1"}
  82 }
  83
  84 send_gdb "enable $expect_out(1,string)\n"
  85 gdb_expect {
  86   -re "$gdb_prompt $"\
  87           {pass "enable break marker1"}
  88   timeout {fail "(timeout) enable break marker1"}
  89 }
  90
  91 send_gdb "info break $expect_out(1,string)\n"
  92 gdb_expect {
  93   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*$gdb_prompt $"\
  94           {pass "info break marker1"}
  95   -re "$gdb_prompt $"\
  96           {fail "info break marker1"}
  97   timeout {fail "(timeout) info break marker1"}
  98 }
  99
 100 # See the comments in condbreak.exp for "run until breakpoint at marker1"
 101 # for an explanation of the xfail below.
 102 send_gdb "continue\n"
 103 gdb_expect {
 104   -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $"\
 105           {pass "continue to break marker1"}
 106   -re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $"\
 107           {xfail "continue to break marker1"}
 108   -re "$gdb_prompt $"\
 109           {fail "continue to break marker1"}
 110   timeout {fail "(timeout) continue to break marker1"}
 111 }
 112
 113 send_gdb "delete $expect_out(1,string)\n"
 114 gdb_expect {
 115   -re "$gdb_prompt $"\
 116           {pass "delete break marker1"}
 117   timeout {fail "(timeout) delete break marker1"}
 118 }
 119
 120 # Verify that we can set a breakpoint to be self-disabling after
 121 # the first time it triggers.
 122 #
 123 send_gdb "break marker2\n"
 124 gdb_expect {
 125   -re "Breakpoint (\[0-9\]*) at .*, line 4\[49\].*$gdb_prompt $"\
 126           {pass "break marker2"}
 127   -re "$gdb_prompt $"\
 128           {fail "break marker2"}
 129   timeout {fail "(timeout) break marker2"}
 130 }
 131
 132 send_gdb "enable once $expect_out(1,string)\n"
 133 gdb_expect {
 134   -re "$gdb_prompt $"\
 135           {pass "enable once break marker2"}
 136   timeout {fail "(timeout) enable once break marker2"}
 137 }
 138
 139 send_gdb "info break $expect_out(1,string)\n"
 140 gdb_expect {
 141   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+y.*$gdb_prompt $"\
 142           {pass "info auto-disabled break marker2"}
 143   -re "$gdb_prompt $"\
 144           {fail "info auto-disabled break marker2"}
 145   timeout {fail "(timeout) info auto-disabled break marker2"}
 146 }
 147
 148 # See the comments in condbreak.exp for "run until breakpoint at marker1"
 149 # for an explanation of the xfail below.
 150 send_gdb "continue\n"
 151 gdb_expect {
 152   -re "Breakpoint \[0-9\]*, marker2.*$gdb_prompt $"\
 153           {pass "continue to auto-disabled break marker2"}
 154   -re "Breakpoint \[0-9\]*, $hex in marker2.*$gdb_prompt $"\
 155           {xfail "continue to auto-disabled break marker2"}
 156   -re "$gdb_prompt $"\
 157           {fail "continue to auto-disabled break marker2"}
 158   timeout {fail "(timeout) continue to auto-disabled break marker2"}
 159 }
 160
 161 send_gdb "info break $expect_out(1,string)\n"
 162 gdb_expect {
 163   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+n.*$gdb_prompt $"\
 164           {pass "info auto-disabled break marker2"}
 165   -re "$gdb_prompt $"\
 166           {fail "info auto-disabled break marker2"}
 167   timeout {fail "(timeout) info auto-disabled break marker2"}
 168 }
 169
 170 # Verify that we don't stop at a disabled breakpoint.
 171 #
 172 gdb_continue_to_end "no stop"
 173 rerun_to_main
 174 gdb_continue_to_end "no stop at auto-disabled break marker2"
 175
 176 # Verify that we can set a breakpoint to be self-deleting after
 177 # the first time it triggers.
 178 #
 179 if ![runto_main] then { fail "enable/disable break tests suppressed" }
 180
 181 send_gdb "break marker3\n"
 182 gdb_expect {
 183   -re "Breakpoint (\[0-9\]*) at .*, line (45|50).*$gdb_prompt $"\
 184           {pass "break marker3"}
 185   -re "$gdb_prompt $"\
 186           {fail "break marker3"}
 187   timeout {fail "(timeout) break marker3"}
 188 }
 189
 190 send_gdb "enable del $expect_out(1,string)\n"
 191 gdb_expect {
 192   -re "$gdb_prompt $"\
 193           {pass "enable del break marker3"}
 194   timeout {fail "(timeout) enable del break marker3"}
 195 }
 196
 197 send_gdb "info break $expect_out(1,string)\n"
 198 gdb_expect {
 199   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*$gdb_prompt $"\
 200           {pass "info auto-deleted break marker2"}
 201   -re "$gdb_prompt $"\
 202           {fail "info auto-deleted break marker2"}
 203   timeout {fail "(timeout) info auto-deleted break marker2"}
 204 }
 205
 206 send_gdb "continue\n"
 207 gdb_expect {
 208   -re ".*marker3 .*:(45|50).*$gdb_prompt $"\
 209           {pass "continue to auto-deleted break marker3"}
 210   -re "Breakpoint \[0-9\]*, marker3.*$gdb_prompt $"\
 211           {fail "continue to auto-deleted break marker3"}
 212   -re "$gdb_prompt $"\
 213           {fail "continue to auto-deleted break marker3"}
 214   timeout {fail "(timeout) continue to break marker3"}
 215 }
 216
 217 send_gdb "info break $expect_out(1,string)\n"
 218 gdb_expect {
 219   -re ".*No breakpoint or watchpoint number.*$gdb_prompt $"\
 220           {pass "info auto-deleted break marker3"}
 221   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\].*$gdb_prompt $"\
 222           {fail "info auto-deleted break marker3"}
 223   -re "$gdb_prompt $"\
 224           {fail "info auto-deleted break marker3"}
 225   timeout {fail "(timeout) info auto-deleted break marker3"}
 226 }
 227
 228 # Verify that we can set a breakpoint and manually disable it (we've
 229 # already proven that disabled bp's don't trigger).
 230 #
 231 send_gdb "break marker4\n"
 232 gdb_expect {
 233   -re "Breakpoint (\[0-9\]*) at .*, line (46|51).*$gdb_prompt $"\
 234           {pass "break marker4"}
 235   -re "$gdb_prompt $"\
 236           {fail "break marker4"}
 237   timeout {fail "(timeout) break marker4"}
 238 }
 239
 240 send_gdb "disable $expect_out(1,string)\n"
 241 gdb_expect {
 242   -re "$gdb_prompt $"\
 243           {pass "disable break marker4"}
 244   timeout {fail "(timeout) disable break marker4"}
 245 }
 246
 247 send_gdb "info break $expect_out(1,string)\n"
 248 gdb_expect {
 249   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*$gdb_prompt $"\
 250           {pass "info break marker4"}
 251   -re "$gdb_prompt $"\
 252           {fail "info break marker4"}
 253   timeout {fail "(timeout) info break marker4"}
 254 }
 255
 256 # Verify that we can set a breakpoint with an ignore count N, which
 257 # should cause the next N triggers of the bp to be ignored.  (This is
 258 # a flavor of enablement/disablement, after all.)
 259 #
 260 if ![runto_main] then { fail "enable/disable break tests suppressed" }
 261
 262 send_gdb "break marker1\n"
 263 gdb_expect {
 264   -re "Breakpoint (\[0-9\]*) at .*, line 4\[38\].*$gdb_prompt $"\
 265           {pass "break marker1"}
 266   -re "$gdb_prompt $"\
 267           {fail "break marker1"}
 268   timeout {fail "(timeout) break marker1"}
 269 }
 270
 271 # Verify that an ignore of a non-existent breakpoint is gracefully
 272 # handled.
 273 #
 274 send_gdb "ignore 999 2\n"
 275 gdb_expect {
 276   -re "No breakpoint number 999..*$gdb_prompt $"\
 277           {pass "ignore non-existent break"}
 278   -re "$gdb_prompt $"\
 279           {fail "ignore non-existent break"}
 280   timeout {fail "(timeout) ignore non-existent break"}
 281 }
 282
 283 # Verify that a missing ignore count is gracefully handled.
 284 #
 285 send_gdb "ignore $expect_out(1,string) \n"
 286 gdb_expect {
 287   -re "Second argument .specified ignore-count. is missing..*$gdb_prompt $"\
 288           {pass "ignore break with missing ignore count"}
 289   -re "$gdb_prompt $"\
 290           {fail "ignore break with missing ignore count"}
 291   timeout {fail "(timeout) ignore break with missing ignore count"}
 292 }
 293
 294 # Verify that a negative or zero ignore count is handled gracefully
 295 # (they both are treated the same).
 296 #
 297 send_gdb "ignore $expect_out(1,string) -1\n"
 298 gdb_expect {
 299   -re "Will stop next time breakpoint \[0-9\]* is reached..*$gdb_prompt $"\
 300           {pass "ignore break marker1 -1"}
 301   -re "$gdb_prompt $"\
 302           {fail "ignore break marker1 -1"}
 303   timeout {fail "(timeout) ignore break marker1 -1"}
 304 }
 305
 306 send_gdb "ignore $expect_out(1,string) 0\n"
 307 gdb_expect {
 308   -re "Will stop next time breakpoint \[0-9\]* is reached..*$gdb_prompt $"\
 309           {pass "ignore break marker1 0"}
 310   -re "$gdb_prompt $"\
 311           {fail "ignore break marker1 0"}
 312   timeout {fail "(timeout) ignore break marker1 0"}
 313 }
 314
 315 send_gdb "ignore $expect_out(1,string) 1\n"
 316 gdb_expect {
 317   -re "Will ignore next crossing of breakpoint \[0-9\]*.*$gdb_prompt $"\
 318           {pass "ignore break marker1"}
 319   -re "$gdb_prompt $"\
 320           {fail "ignore break marker1"}
 321   timeout {fail "(timeout) ignore break marker1"}
 322 }
 323
 324 send_gdb "info break $expect_out(1,string)\n"
 325 gdb_expect {
 326   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*ignore next 1 hits.*$gdb_prompt $"\
 327           {pass "info ignored break marker1"}
 328   -re "$gdb_prompt $"\
 329           {fail "info ignored break marker1"}
 330   timeout {fail "(timeout) info ignored break marker1"}
 331 }
 332
 333 gdb_continue_to_end "no stop at ignored break marker1"
 334 rerun_to_main
 335
 336 # See the comments in condbreak.exp for "run until breakpoint at marker1"
 337 # for an explanation of the xfail below.
 338 send_gdb "continue\n"
 339 gdb_expect {
 340   -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $"\
 341           {pass "continue to break marker1, 2nd time"}
 342   -re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $"\
 343           {xfail "continue to break marker1, 2nd time"}
 344   -re "$gdb_prompt $"\
 345           {fail "continue to break marker1, 2nd time"}
 346   timeout {fail "(timeout) continue to break marker1, 2nd time"}
 347 }
 348
 349 # Verify that we can specify both an ignore count and an auto-delete.
 350 #
 351 if ![runto_main] then { fail "enable/disable break tests suppressed" }
 352
 353 send_gdb "break marker1\n"
 354 gdb_expect {
 355   -re "Breakpoint (\[0-9\]*) at .*, line 4\[38\].*$gdb_prompt $"\
 356           {pass "break marker1"}
 357   -re "$gdb_prompt $"\
 358           {fail "break marker1"}
 359   timeout {fail "(timeout) break marker1"}
 360 }
 361
 362 send_gdb "ignore $expect_out(1,string) 1\n"
 363 gdb_expect {
 364   -re "Will ignore next crossing of breakpoint \[0-9\]*.*$gdb_prompt $"\
 365           {pass "ignore break marker1"}
 366   -re "$gdb_prompt $"\
 367           {fail "ignore break marker1"}
 368   timeout {fail "(timeout) ignore break marker1"}
 369 }
 370
 371 send_gdb "enable del $expect_out(1,string)\n"
 372 gdb_expect {
 373   -re "$gdb_prompt $"\
 374           {pass "enable del break marker1"}
 375   timeout {fail "(timeout) enable del break marker1"}
 376 }
 377
 378 send_gdb "info break $expect_out(1,string)\n"
 379 gdb_expect {
 380   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*ignore next 1 hits.*$gdb_prompt $"\
 381           {pass "info break marker1"}
 382   -re "$gdb_prompt $"\
 383           {fail "info break marker1"}
 384   timeout {fail "(timeout) info break marker2"}
 385 }
 386
 387 gdb_continue_to_end "no stop at ignored & auto-deleted break marker1"
 388 rerun_to_main
 389
 390 send_gdb "continue\n"
 391 gdb_expect {
 392   -re ".*marker1 .*:4\[38\].*$gdb_prompt $"\
 393           {pass "continue to ignored & auto-deleted break marker1"}
 394   -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $"\
 395           {fail "continue to ignored & auto-deleted break marker1"}
 396   -re "$gdb_prompt $"\
 397           {fail "continue to ignored & auto-deleted break marker1"}
 398   timeout {fail "(timeout) continue to ignored & auto-deleted break marker1"}
 399 }
 400
 401 # Verify that a disabled breakpoint's ignore count isn't updated when
 402 # the bp is encountered.
 403 #
 404 if ![runto_main] then { fail "enable/disable break tests suppressed" }
 405
 406 send_gdb "break marker1\n"
 407 gdb_expect {
 408   -re "Breakpoint (\[0-9\]*) at .*, line 4\[38\].*$gdb_prompt $"\
 409           {pass "break marker1"}
 410   -re "$gdb_prompt $"\
 411           {fail "break marker1"}
 412   timeout {fail "(timeout) break marker1"}
 413 }
 414
 415 send_gdb "ignore $expect_out(1,string) 10\n"
 416 gdb_expect {
 417   -re "Will ignore next 10 crossings of breakpoint \[0-9\]*.*$gdb_prompt $"\
 418           {pass "ignore break marker1"}
 419   -re "$gdb_prompt $"\
 420           {fail "ignore break marker1"}
 421   timeout {fail "(timeout) ignore break marker1"}
 422 }
 423
 424 send_gdb "disable $expect_out(1,string)\n"
 425 gdb_expect {
 426   -re "$gdb_prompt $"\
 427           {pass "disable break marker1"}
 428   timeout {fail "(timeout) disable break marker1"}
 429 }
 430
 431 gdb_continue_to_end "no stop at ignored & disabled break marker1"
 432 rerun_to_main
 433
 434 send_gdb "info break $expect_out(1,string)\n"
 435 gdb_expect {
 436   -re "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*ignore next 10 hits.*$gdb_prompt $"\
 437           {pass "info ignored & disabled break marker1"}
 438   -re "$gdb_prompt $"\
 439           {fail "info ignored & disabled break marker1"}
 440   timeout {fail "(timeout) info ignored & disabled break marker1"}
 441 }
 442
 443 # Verify that GDB correctly handles the "continue" command with an argument,
 444 # which is an ignore count to set on the currently stopped-at breakpoint.
 445 # (Also verify that GDB gracefully handles the case where the inferior
 446 # isn't stopped at a breakpoint.)
 447 #
 448 if ![runto_main] then { fail "enable/disable break tests suppressed" }
 449
 450 send_gdb "break 79\n"
 451 gdb_expect {
 452   -re "Breakpoint \[0-9\]*.*, line 79.*$gdb_prompt $"\
 453           {pass "prepare to continue with ignore count"}
 454   -re "$gdb_prompt $"\
 455           {fail "prepare to continue with ignore count"}
 456   timeout {fail "(timeout) prepare to continue with ignore count"}
 457 }
 458 send_gdb "continue 2\n"
 459 gdb_expect {
 460   -re "Will ignore next crossing of breakpoint \[0-9\]*.  Continuing..*$gdb_prompt $"\
 461           {pass "continue with ignore count"}
 462   -re "$gdb_prompt $"\
 463           {fail "continue with ignore count"}
 464   timeout {fail "(timeout) continue with ignore count"}
 465 }
 466
 467 send_gdb "next\n"
 468 gdb_expect {
 469   -re ".*81\[ \t\]*marker1.*$gdb_prompt $"\
 470           {pass "step after continue with ignore count"}
 471   -re "$gdb_prompt $"\
 472           {fail "step after continue with ignore count"}
 473   timeout {fail "(timeout) step after continue with ignore count"}
 474 }
 475
 476 # ??rehrauer: Huh.  This appears to be an actual bug.  (No big
 477 # surprise, since this feature hasn't been tested...)  Looks like
 478 # GDB is currently trying to set the ignore count of bp # -1!
 479 #
 480 setup_xfail hppa_*_*
 481 send_gdb "continue 2\n"
 482 gdb_expect {
 483   -re "Not stopped at any breakpoint; argument ignored..*$gdb_prompt $"\
 484           {pass "continue with ignore count, not stopped at bpt"}
 485   -re "No breakpoint number -1.*$gdb_prompt $"\
 486           {xfail "(DTS'd) continue with ignore count, not stopped at bpt"}
 487   -re "$gdb_prompt $"\
 488           {fail "continue with ignore count, not stopped at bpt"}
 489   timeout {fail "(timeout) step after continue with ignore count, not stopped at bpt"}
 490 }
 491
 492 gdb_exit
 493 return 0