gdb/testsuite/gdb.base/break.exp

   1 #   Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
   2 #   2000, 2002, 2003, 2007, 2008, 2009, 2010, 2011
   3 #   Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # This file was written by Rob Savoye. (rob@cygnus.com)
  19
  20 if { [prepare_for_testing break.exp "break" {break.c break1.c} {debug nowarnings}] } {
  21     return -1
  22 }
  23 set srcfile break.c
  24 set srcfile1 break1.c
  25 #
  26 # test simple breakpoint setting commands
  27 #
  28
  29 # Test deleting all breakpoints when there are none installed,
  30 # GDB should not prompt for confirmation.
  31 # Note that lib/gdb.exp provides a "delete_breakpoints" proc
  32 # for general use elsewhere.
  33
  34 send_gdb "delete breakpoints\n"
  35 gdb_expect {
  36      -re "Delete all breakpoints.*$" {
  37             send_gdb "y\n"
  38             gdb_expect {
  39                 -re "$gdb_prompt $" {
  40                     fail "Delete all breakpoints when none (unexpected prompt)"
  41                 }
  42                 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
  43             }
  44         }
  45      -re ".*$gdb_prompt $"       { pass "Delete all breakpoints when none" }
  46     timeout                 { fail "Delete all breakpoints when none (timeout)" }
  47 }
  48
  49 #
  50 # test break at function
  51 #
  52 gdb_test "break main" \
  53     "Breakpoint.*at.* file .*$srcfile, line.*" \
  54     "breakpoint function"
  55
  56 #
  57 # test break at quoted function
  58 #
  59 gdb_test "break \"marker2\"" \
  60     "Breakpoint.*at.* file .*$srcfile1, line.*" \
  61     "breakpoint quoted function"
  62
  63 #
  64 # test break at function in file
  65 #
  66 gdb_test "break $srcfile:factorial" \
  67     "Breakpoint.*at.* file .*$srcfile, line.*" \
  68     "breakpoint function in file"
  69
  70 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  71
  72 #
  73 # test break at line number
  74 #
  75 # Note that the default source file is the last one whose source text
  76 # was printed.  For native debugging, before we've executed the
  77 # program, this is the file containing main, but for remote debugging,
  78 # it's wherever the processor was stopped when we connected to the
  79 # board.  So, to be sure, we do a list command.
  80 #
  81 gdb_test "list main" \
  82     ".*main \\(argc, argv, envp\\).*" \
  83     "use `list' to establish default source file"
  84 gdb_test "break $bp_location1" \
  85     "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
  86     "breakpoint line number"
  87
  88 #
  89 # test duplicate breakpoint
  90 #
  91 gdb_test "break $bp_location1" \
  92     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
  93     "breakpoint duplicate"
  94
  95 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
  96
  97 #
  98 # test break at line number in file
  99 #
 100 gdb_test "break $srcfile:$bp_location2" \
 101     "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
 102     "breakpoint line number in file"
 103
 104 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
 105 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
 106
 107 #
 108 # Test putting a break at the start of a multi-line if conditional.
 109 # Verify the breakpoint was put at the start of the conditional.
 110 #
 111 gdb_test "break multi_line_if_conditional" \
 112     "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
 113     "breakpoint at start of multi line if conditional"
 114
 115 gdb_test "break multi_line_while_conditional" \
 116     "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
 117     "breakpoint at start of multi line while conditional"
 118
 119 set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
 120 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 121
 122 set main_line $bp_location6
 123
 124 if {$hp_aCC_compiler} {
 125     set proto "\\(int\\)"
 126 } else {
 127     set proto ""
 128 }
 129
 130 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
 131 set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
 132 set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]
 133
 134 gdb_test "info break" \
 135     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 136 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*
 137 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker2 at .*$srcfile1:($bp_location8|$bp_location9).*
 138 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial$proto at .*$srcfile:$bp_location7.*
 139 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 140 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 141 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location2.*
 142 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
 143 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
 144     "breakpoint info"
 145
 146 #
 147 # Test info breakpoint with arguments
 148 #
 149
 150 set see1 0
 151 set see2 0
 152 set see3 0
 153 set see4 0
 154 set see5 0
 155 set see6 0
 156
 157 gdb_test_multiple "info break 2 4 6" "info break 2 4 6" {
 158     -re "1\[\t \]+breakpoint *keep y\[^\r\n\]*:$main_line\[^\r\n\]*" {
 159         set see1 1
 160         exp_continue
 161     }
 162     -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
 163         set see2 1
 164         exp_continue
 165     }
 166     -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
 167         set see3 1
 168         exp_continue
 169     }
 170     -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 171         set see4 1
 172         exp_continue
 173     }
 174     -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 175         set see5 1
 176         exp_continue
 177     }
 178     -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
 179         set see6 1
 180         exp_continue
 181     }
 182     -re ".*$gdb_prompt $" {
 183         if { !$see1 && $see2 && !$see3 && $see4 && !$see5 && $see6 } then {
 184             pass "info break 2 4 6"
 185         } else {
 186             fail "info break 2 4 6"
 187         }
 188     }
 189 }
 190
 191 set see1 0
 192 set see2 0
 193 set see3 0
 194 set see4 0
 195 set see5 0
 196 set see6 0
 197
 198 gdb_test_multiple "info break 3-5" "info break 3-5" {
 199     -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
 200         set see1 1
 201         exp_continue
 202     }
 203     -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
 204         set see2 1
 205         exp_continue
 206     }
 207     -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
 208         set see3 1
 209         exp_continue
 210     }
 211     -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 212         set see4 1
 213         exp_continue
 214     }
 215     -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 216         set see5 1
 217         exp_continue
 218     }
 219     -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
 220         set see6 1
 221         exp_continue
 222     }
 223     -re ".*$gdb_prompt $" {
 224         if { !$see1 && !$see2 && $see3 && $see4 && $see5 && !$see6 } then {
 225             pass "info break 3-5"
 226         } else {
 227             fail "info break 3-5"
 228         }
 229     }
 230 }
 231
 232 #
 233 # Test disable/enable with arguments
 234 #
 235
 236 # Test with value history
 237
 238 gdb_test "print 1" "" ""
 239 gdb_test "print 2" "" ""
 240 gdb_test "print 3" "" ""
 241 gdb_test "print 4" "" ""
 242 gdb_test "print 5" "" ""
 243 gdb_test "print 6" "" ""
 244
 245 # $2 is 2 and $$ is 5
 246 gdb_test_no_output "disable \$2 \$\$" "disable using history values"
 247
 248 set see1 0
 249 set see2 0
 250 set see3 0
 251 set see4 0
 252 set see5 0
 253 set see6 0
 254
 255 gdb_test_multiple "info break" "check disable with history values" {
 256     -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
 257         set see1 1
 258         exp_continue
 259     }
 260     -re "2\[\t \]+breakpoint *keep n\[^\r\n\]* in marker2 at \[^\r\n\]*" {
 261         set see2 1
 262         exp_continue
 263     }
 264     -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
 265         set see3 1
 266         exp_continue
 267     }
 268     -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 269         set see4 1
 270         exp_continue
 271     }
 272     -re "5\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 273         set see5 1
 274         exp_continue
 275     }
 276     -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
 277         set see6 1
 278         exp_continue
 279     }
 280     -re ".*$gdb_prompt $" {
 281         if { $see1 && $see2 && $see3 && $see4 && $see5 && $see6 } then {
 282             pass "check disable with history values"
 283         } else {
 284             fail "check disable with history values"
 285         }
 286     }
 287 }
 288
 289 gdb_test "enable" "" ""
 290 gdb_test "set \$foo = 3" "" ""
 291 gdb_test "set \$bar = 6" "" ""
 292 gdb_test_no_output "disable \$foo \$bar" "disable with convenience values"
 293
 294 set see1 0
 295 set see2 0
 296 set see3 0
 297 set see4 0
 298 set see5 0
 299 set see6 0
 300
 301 gdb_test_multiple "info break" "check disable with convenience values" {
 302     -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
 303         set see1 1
 304         exp_continue
 305     }
 306     -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
 307         set see2 1
 308         exp_continue
 309     }
 310     -re "3\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location7\[^\r\n\]*" {
 311         set see3 1
 312         exp_continue
 313     }
 314     -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 315         set see4 1
 316         exp_continue
 317     }
 318     -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 319         set see5 1
 320         exp_continue
 321     }
 322     -re "6\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location2\[^\r\n\]*" {
 323         set see6 1
 324         exp_continue
 325     }
 326     -re ".*$gdb_prompt $" {
 327         if { $see1 && $see2 && $see3 && $see4 && $see5 && $see6 } then {
 328             pass "check disable with convenience values"
 329         } else {
 330             fail "check disable with convenience values"
 331         }
 332     }
 333 }
 334
 335 # test with bad values
 336
 337 gdb_test "enable" "" ""
 338 gdb_test "disable 10" "No breakpoint number 10." \
 339     "disable non-existent breakpoint 10"
 340
 341 gdb_test "set \$baz 1.234"
 342 gdb_test "disable \$baz" \
 343     "Convenience variable must have integer value.*" \
 344     "disable with non-integer convenience var"
 345 gdb_test "disable \$grbx" \
 346     "Convenience variable must have integer value.*" \
 347     "disable with non-existent convenience var"
 348 gdb_test "disable \$10" \
 349     "History has not yet reached .10." \
 350     "disable with non-existent history value"
 351 gdb_test "disable \$1foo" \
 352     "Convenience variable must have integer value.*" \
 353     "disable with badly formed history value"
 354
 355 # FIXME: The rest of this test doesn't work with anything that can't
 356 # handle arguments.
 357 # Huh? There doesn't *appear* to be anything that passes arguments
 358 # below.
 359 if [istarget "mips-idt-*"] then {
 360     return
 361 }
 362
 363 #
 364 # run until the breakpoint at main is hit. For non-stubs-using targets.
 365 #
 366 gdb_run_cmd
 367 gdb_expect {
 368     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 369         pass "run until function breakpoint"
 370     }
 371     -re "$gdb_prompt $" {
 372         fail "run until function breakpoint"
 373     }
 374     timeout {
 375         fail "run until function breakpoint (timeout)"
 376     }
 377 }
 378
 379 #
 380 # run until the breakpoint at a line number
 381 #
 382 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
 383                         "run until breakpoint set at a line number"
 384
 385 #
 386 # Run until the breakpoint set in a function in a file
 387 #
 388 for {set i 6} {$i >= 1} {incr i -1} {
 389         gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
 390                         "run until file:function($i) breakpoint"
 391 }
 392
 393 #
 394 # Run until the breakpoint set at a quoted function
 395 #
 396 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:($bp_location8|$bp_location9).*" \
 397                 "run until quoted breakpoint"
 398 #
 399 # run until the file:function breakpoint at a line number in a file
 400 #
 401 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
 402                 "run until file:linenum breakpoint"
 403
 404 # Test break at offset +1
 405 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
 406
 407 gdb_test "break +1" \
 408     "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
 409     "breakpoint offset +1"
 410
 411 # Check to see if breakpoint is hit when stepped onto
 412
 413 gdb_test "step" \
 414     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
 415     "step onto breakpoint"
 416
 417 # Check to see if breakpoint can be set on ending brace of function
 418 set bp_location10a [gdb_get_line_number "set breakpoint 10a here"]
 419
 420 gdb_test "break $bp_location10a" \
 421     "Breakpoint.*at.* file .*$srcfile, line $bp_location10a\\." \
 422     "setting breakpoint at }"
 423
 424 gdb_test "continue" \
 425     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10a.*$bp_location10a\[\t \]+}.*breakpoint 10a here.*" \
 426     "continue to breakpoint at }"
 427
 428 #
 429 # delete all breakpoints so we can start over, course this can be a test too
 430 #
 431 delete_breakpoints
 432
 433 #
 434 # test temporary breakpoint at function
 435 #
 436
 437 gdb_test "tbreak main" "Temporary breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 438
 439 #
 440 # test break at function in file
 441 #
 442
 443 gdb_test "tbreak $srcfile:factorial" "Temporary breakpoint.*at.* file .*$srcfile, line.*" \
 444         "Temporary breakpoint function in file"
 445
 446 #
 447 # test break at line number
 448 #
 449 gdb_test "tbreak $bp_location1" \
 450     "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location1.*" \
 451     "Temporary breakpoint line number #1"
 452
 453 gdb_test "tbreak $bp_location6" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"
 454
 455 #
 456 # test break at line number in file
 457 #
 458 gdb_test "tbreak $srcfile:$bp_location2" \
 459     "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location2.*" \
 460     "Temporary breakpoint line number in file #1"
 461
 462 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
 463 gdb_test  "tbreak $srcfile:$bp_location11" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
 464
 465 #
 466 # check to see what breakpoints are set (temporary this time)
 467 #
 468 gdb_test "info break" "Num     Type.*Disp Enb Address.*What.*\[\r\n\]
 469 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
 470 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial$proto at .*$srcfile:$bp_location7.*\[\r\n\]
 471 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
 472 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
 473 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
 474 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location11.*" \
 475     "Temporary breakpoint info"
 476
 477
 478 #***********
 479
 480 # Verify that catchpoints for fork, vfork and exec don't trigger
 481 # inappropriately.  (There are no calls to those system functions
 482 # in this test program.)
 483 #
 484 if ![runto_main] then { fail "break tests suppressed" }
 485
 486 gdb_test "catch" \
 487     "Catch requires an event name." \
 488     "catch requires an event name"
 489
 490
 491 set name "set catch fork, never expected to trigger"
 492 gdb_test_multiple "catch fork" "$name" {
 493     -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $" {
 494         pass $name
 495     }
 496     -re "Catch of fork not yet implemented.*$gdb_prompt $" {
 497         pass $name
 498     }
 499 }
 500
 501
 502 # If we are on HP-UX 10.20, we expect an error message to be
 503 # printed if we type "catch vfork" at the gdb gdb_prompt.  This is
 504 # because on HP-UX 10.20, we cannot catch vfork events.
 505
 506 set name "set catch vfork, never expected to trigger"
 507
 508 if [istarget "hppa*-hp-hpux10.20"] then {
 509     gdb_test "catch vfork" \
 510         "Catch of vfork events not supported on HP-UX 10.20..*" \
 511         "$name"
 512 } else {
 513     gdb_test_multiple "catch vfork" "$name" {
 514         -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $" {
 515             pass $name
 516         }
 517         -re "Catch of vfork not yet implemented.*$gdb_prompt $" {
 518             pass $name
 519         }
 520     }
 521 }
 522
 523 set name "set catch exec, never expected to trigger"
 524 gdb_test_multiple "catch exec" "$name" {
 525     -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $" {
 526         pass $name
 527     }
 528     -re "Catch of exec not yet implemented.*$gdb_prompt $" {
 529         pass $name
 530     }
 531 }
 532
 533 # Verify that GDB responds gracefully when asked to set a breakpoint
 534 # on a nonexistent source line.
 535 #
 536 gdb_test_no_output "set breakpoint pending off"
 537 gdb_test "break 999" \
 538     "No line 999 in the current file." \
 539     "break on non-existent source line"
 540
 541 # Run to the desired default location. If not positioned here, the
 542 # tests below don't work.
 543 #
 544 gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" \
 545     "until bp_location1"
 546
 547 # Verify that GDB allows one to just say "break", which is treated
 548 # as the "default" breakpoint.  Note that GDB gets cute when printing
 549 # the informational message about other breakpoints at the same
 550 # location.  We'll hit that bird with this stone too.
 551 #
 552 gdb_test "break" "Breakpoint \[0-9\]*.*" \
 553     "break on default location, 1st time"
 554
 555 gdb_test "break" \
 556     "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
 557     "break on default location, 2nd time"
 558
 559 gdb_test "break" \
 560     "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
 561     "break on default location, 3rd time"
 562
 563 gdb_test "break" \
 564     "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
 565     "break on default location, 4th time"
 566
 567 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
 568 # "silent" about its triggering.
 569 #
 570 if ![runto_main] then { fail "break tests suppressed" }
 571
 572 gdb_test_multiple "break $bp_location1" \
 573     "set to-be-silent break bp_location1" {
 574         -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $" {
 575             pass "set to-be-silent break bp_location1"
 576         }
 577     }
 578
 579 gdb_test "commands $expect_out(1,string)\nsilent\nend" ">end" "set silent break bp_location1"
 580
 581 gdb_test "info break $expect_out(1,string)" \
 582     "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*" \
 583     "info silent break bp_location1"
 584
 585 gdb_test "continue" "Continuing." \
 586     "hit silent break bp_location1"
 587
 588 gdb_test "bt" "#0  main .* at .*:$bp_location1.*" \
 589     "stopped for silent break bp_location1"
 590
 591 # Verify that GDB can at least parse a breakpoint with the
 592 # "thread" keyword.  (We won't attempt to test here that a
 593 # thread-specific breakpoint really triggers appropriately.
 594 # The gdb.threads subdirectory contains tests for that.)
 595 #
 596 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
 597 gdb_test "break $bp_location12 thread 999" "Unknown thread 999.*" \
 598     "thread-specific breakpoint on non-existent thread disallowed"
 599
 600 gdb_test "break $bp_location12 thread foo" \
 601     "Junk after thread keyword.*" \
 602     "thread-specific breakpoint on bogus thread ID disallowed"
 603
 604 # Verify that GDB responds gracefully to a breakpoint command with
 605 # trailing garbage.
 606 #
 607 gdb_test "break $bp_location12 foo" \
 608     "Junk at end of arguments.*" \
 609     "breakpoint with trailing garbage disallowed"
 610
 611 # Verify that GDB responds gracefully to a "clear" command that has
 612 # no matching breakpoint.  (First, get us off the current source line,
 613 # which we know has a breakpoint.)
 614 #
 615 gdb_test "next" "marker1.*" "step over breakpoint"
 616
 617 gdb_test "clear 81" "No breakpoint at 81.*" \
 618     "clear line has no breakpoint disallowed"
 619
 620 gdb_test "clear" "No breakpoint at this line.*" \
 621     "clear current line has no breakpoint disallowed"
 622
 623 # Verify that we can set and clear multiple breakpoints.
 624 #
 625 # We don't test that it deletes the correct breakpoints.  We do at
 626 # least test that it deletes more than one breakpoint.
 627 #
 628 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
 629 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
 630 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
 631
 632 # Verify that a breakpoint can be set via a convenience variable.
 633 #
 634 gdb_test_no_output "set \$foo=$bp_location11" \
 635     "set convenience variable \$foo to bp_location11"
 636
 637 gdb_test "break \$foo" \
 638     "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*" \
 639     "set breakpoint via convenience variable"
 640
 641 # Verify that GDB responds gracefully to an attempt to set a
 642 # breakpoint via a convenience variable whose type is not integer.
 643 #
 644 gdb_test_no_output "set \$foo=81.5" \
 645     "set convenience variable \$foo to 81.5"
 646
 647 gdb_test "break \$foo" \
 648     "Convenience variables used in line specs must have integer values.*" \
 649     "set breakpoint via non-integer convenience variable disallowed"
 650
 651 # Verify that we can set and trigger a breakpoint in a user-called function.
 652 #
 653 gdb_test "break marker2" \
 654     "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*" \
 655     "set breakpoint on to-be-called function"
 656
 657 gdb_test "print marker2(99)" \
 658     "The program being debugged stopped while in a function called from GDB.\r\nEvaluation of the expression containing the function\r\n.marker2$proto. will be abandoned.\r\nWhen the function is done executing, GDB will silently stop.*" \
 659     "hit breakpoint on called function"
 660
 661 # As long as we're stopped (breakpointed) in a called function,
 662 # verify that we can successfully backtrace & such from here.
 663 #
 664 # In this and the following test, the _sr4export check apparently is needed
 665 # for hppa*-*-hpux.
 666 #
 667 gdb_test_multiple "bt" "backtrace while in called function" {
 668     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $" {
 669         pass "backtrace while in called function"
 670     }
 671     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $" {
 672         pass "backtrace while in called function"
 673     }
 674 }
 675
 676 # Return from the called function.  For remote targets, it's important to do
 677 # this before runto_main, which otherwise may silently stop on the dummy
 678 # breakpoint inserted by GDB at the program's entry point.
 679 #
 680 gdb_test_multiple "finish" "finish from called function" {
 681     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $" {
 682         pass "finish from called function"
 683     }
 684     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $" {
 685         pass "finish from called function"
 686     }
 687     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $" {
 688         pass "finish from called function"
 689     }
 690 }
 691
 692 # Verify that GDB responds gracefully to a "finish" command with
 693 # arguments.
 694 #
 695 if ![runto_main] then { fail "break tests suppressed" }
 696
 697 send_gdb "finish 123\n"
 698 gdb_expect {
 699   -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
 700           {pass "finish with arguments disallowed"}
 701   -re "$gdb_prompt $"\
 702           {fail "finish with arguments disallowed"}
 703   timeout {fail "(timeout) finish with arguments disallowed"}
 704 }
 705
 706 # Verify that GDB responds gracefully to a request to "finish" from
 707 # the outermost frame.  On a stub that never exits, this will just
 708 # run to the stubs routine, so we don't get this error...  Thus the
 709 # second condition.
 710 #
 711
 712 gdb_test_multiple "finish" "finish from outermost frame disallowed" {
 713     -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $" {
 714         pass "finish from outermost frame disallowed"
 715     }
 716     -re "Run till exit from.*\r\n$gdb_prompt $" {
 717         pass "finish from outermost frame disallowed"
 718     }
 719 }
 720
 721 # Verify that we can explicitly ask GDB to stop on all shared library
 722 # events, and that it does so.
 723 #
 724 if [istarget "hppa*-*-hpux*"] then {
 725     if ![runto_main] then { fail "break tests suppressed" }
 726
 727     gdb_test_no_output "set stop-on-solib-events 1" \
 728         "set stop-on-solib-events"
 729
 730     gdb_test "run" \
 731         "Stopped due to shared library event.*" \
 732         "triggered stop-on-solib-events" \
 733         "Start it from the beginning.*y or n. $" \
 734         "y"
 735
 736     gdb_test_no_output "set stop-on-solib-events 0" \
 737         "reset stop-on-solib-events"
 738 }
 739
 740 # Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
 741 # gracefully responds to requests to create them.
 742 #
 743 if [istarget "hppa*-*-hpux*"] then {
 744     if ![runto_main] then { fail "break tests suppressed" }
 745
 746     gdb_test "hbreak" \
 747         "No hardware breakpoint support in the target.*" \
 748         "hw breaks disallowed"
 749
 750     gdb_test "thbreak" \
 751         "No hardware breakpoint support in the target.*" \
 752         "temporary hw breaks disallowed"
 753 }
 754
 755 #********
 756
 757
 758 #
 759 # Test "next" over recursive function call.
 760 #
 761
 762 proc test_next_with_recursion {} {
 763     global gdb_prompt
 764     global decimal
 765     global binfile
 766
 767     gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
 768     delete_breakpoints
 769
 770     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 771
 772     # Run until we call factorial with 6
 773
 774     gdb_run_cmd
 775     gdb_expect {
 776         -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
 777         -re ".*$gdb_prompt $" {
 778             fail "run to factorial(6)";
 779             gdb_suppress_tests;
 780         }
 781         timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
 782     }
 783
 784     # Continue until we call factorial recursively with 5.
 785
 786     if [gdb_test "continue" \
 787         "Continuing.*Break.* factorial .value=5. .*" \
 788         "continue to factorial(5)"] then { gdb_suppress_tests }
 789
 790     # Do a backtrace just to confirm how many levels deep we are.
 791
 792     if [gdb_test "backtrace" \
 793         "#0\[ \t\]+ factorial .value=5..*" \
 794         "backtrace from factorial(5)"] then { gdb_suppress_tests }
 795
 796     # Now a "next" should position us at the recursive call, which
 797     # we will be performing with 4.
 798
 799     if [gdb_test "next" \
 800         ".* factorial .value - 1.;.*" \
 801         "next to recursive call"] then { gdb_suppress_tests }
 802
 803     # Disable the breakpoint at the entry to factorial by deleting them all.
 804     # The "next" should run until we return to the next line from this
 805     # recursive call to factorial with 4.
 806     # Buggy versions of gdb will stop instead at the innermost frame on
 807     # the line where we are trying to "next" to.
 808
 809     delete_breakpoints
 810
 811     if [istarget "mips*tx39-*"] {
 812         set timeout 60
 813     }
 814     # We used to set timeout here for all other targets as well.  This
 815     # is almost certainly wrong.  The proper timeout depends on the
 816     # target system in use, and how we communicate with it, so there
 817     # is no single value appropriate for all targets.  The timeout
 818     # should be established by the Dejagnu config file(s) for the
 819     # board, and respected by the test suite.
 820     #
 821     # For example, if I'm running GDB over an SSH tunnel talking to a
 822     # portmaster in California talking to an ancient 68k board running
 823     # a crummy ROM monitor (a situation I can only wish were
 824     # hypothetical), then I need a large timeout.  But that's not the
 825     # kind of knowledge that belongs in this file.
 826
 827     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 828             "next over recursive call"
 829
 830     # OK, we should be back in the same stack frame we started from.
 831     # Do a backtrace just to confirm.
 832
 833     set result [gdb_test "backtrace" \
 834             "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 835             "backtrace from factorial(5.1)"]
 836     if { $result != 0 } { gdb_suppress_tests }
 837
 838     if [target_info exists gdb,noresults] { gdb_suppress_tests }
 839   gdb_continue_to_end "recursive next test"
 840    gdb_stop_suppressing_tests;
 841 }
 842
 843 test_next_with_recursion
 844
 845
 846 #********
 847
 848 # build a new file with optimization enabled so that we can try breakpoints
 849 # on targets with optimized prologues
 850
 851 if { [prepare_for_testing break.exp "breako2" {break.c break1.c} {debug nowarnings optimize=-O2}] } {
 852     return -1
 853 }
 854
 855 #
 856 # test break at function
 857 #
 858 gdb_test "break main" \
 859     "Breakpoint.*at.* file .*, line.*" \
 860     "breakpoint function, optimized file"
 861
 862 #
 863 # test break at function
 864 #
 865 gdb_test "break marker4" \
 866     "Breakpoint.*at.* file .*$srcfile1, line.*" \
 867     "breakpoint small function, optimized file"
 868
 869 #
 870 # run until the breakpoint at main is hit. For non-stubs-using targets.
 871 #
 872 gdb_run_cmd
 873 gdb_expect {
 874     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 875         pass "run until function breakpoint, optimized file"
 876     }
 877     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
 878         pass "run until function breakpoint, optimized file (code motion)"
 879     }
 880     -re "$gdb_prompt $" {
 881         fail "run until function breakpoint, optimized file"
 882     }
 883     timeout {
 884         fail "run until function breakpoint, optimized file (timeout)"
 885     }
 886 }
 887
 888 #
 889 # run until the breakpoint at a small function
 890 #
 891
 892 #
 893 # Add a second pass pattern.  The behavior differs here between stabs
 894 # and dwarf for one-line functions.  Stabs preserves two line symbols
 895 # (one before the prologue and one after) with the same line number,
 896 # but dwarf regards these as duplicates and discards one of them.
 897 # Therefore the address after the prologue (where the breakpoint is)
 898 # has no exactly matching line symbol, and GDB reports the breakpoint
 899 # as if it were in the middle of a line rather than at the beginning.
 900
 901 set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1]
 902 set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
 903
 904 gdb_test_multiple "continue" \
 905     "run until breakpoint set at small function, optimized file" {
 906         -re "Breakpoint $decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 907             pass "run until breakpoint set at small function, optimized file"
 908         }
 909         -re "Breakpoint $decimal, $hex in marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 910             pass "run until breakpoint set at small function, optimized file"
 911         }
 912         -re "Breakpoint $decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
 913             # marker4() is defined at line 46 when compiled with -DPROTOTYPES
 914             pass "run until breakpoint set at small function, optimized file (line bp_location14)"
 915         }
 916         -re "Breakpoint $decimal, factorial \\(.*\\) .*\{\r\n$gdb_prompt" {
 917             # GCC 4.3 emits bad line number information - see gcc/36748.
 918             if { [test_compiler_info "gcc-4-3-*"] } {
 919                 setup_xfail *-*-*
 920             }
 921             fail "run until breakpoint set at small function, optimized file"
 922         }
 923     }
 924
 925 clean_restart breako2
 926
 927 #
 928 # test that 'rbreak' on a symbol that may be from a shared library doesn't
 929 # cause a "Junk at end of arguments." error.
 930 #
 931 # On x86 GNU/Linux, this test will choke on e.g. __libc_start_main@plt.
 932 #
 933 # Note that this test won't necessarily choke on all targets even if
 934 # all the rbreak issue is present.  rbreak needs to match and set a
 935 # breakpoint on a symbol causes 'break' to choke.
 936 #
 937
 938 gdb_test_no_output "set breakpoint pending on" "rbreak junk pending setup"
 939
 940 # We expect at least one breakpoint to be set when we "rbreak main".
 941 gdb_test "rbreak main" \
 942     ".*Breakpoint.*at.* file .*$srcfile, line.*" \
 943     "rbreak junk set breakpoint"
 944
 945 # Run to a breakpoint.  Fail if we see "Junk at end of arguments".
 946 gdb_run_cmd
 947 gdb_expect {
 948     -re "Junk at end of arguments" {
 949         fail "rbreak junk"
 950     }
 951     -re ".*Breakpoint \[0-9\]+,.*$gdb_prompt $" {
 952         pass "rbreak junk"
 953     }
 954     timeout {
 955         fail "rbreak junk (timeout)"
 956     }
 957 }
 958
 959
 960 # Reset the default arguments for VxWorks
 961 if [istarget "*-*-vxworks*"] {
 962     set timeout 10
 963     verbose "Timeout is now $timeout seconds" 2
 964     gdb_test_no_output "set args main"
 965 }