gdb/testsuite/gdb.base/break.exp

   1 #   Copyright 1988-2014 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 3 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, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Rob Savoye. (rob@cygnus.com)
  17
  18 if { [prepare_for_testing break.exp "break" {break.c break1.c} {debug nowarnings}] } {
  19     return -1
  20 }
  21 set srcfile break.c
  22 set srcfile1 break1.c
  23 #
  24 # test simple breakpoint setting commands
  25 #
  26
  27 # Test deleting all breakpoints when there are none installed,
  28 # GDB should not prompt for confirmation.
  29 # Note that lib/gdb.exp provides a "delete_breakpoints" proc
  30 # for general use elsewhere.
  31
  32 send_gdb "delete breakpoints\n"
  33 gdb_expect {
  34      -re "Delete all breakpoints.*$" {
  35             send_gdb "y\n"
  36             gdb_expect {
  37                 -re "$gdb_prompt $" {
  38                     fail "Delete all breakpoints when none (unexpected prompt)"
  39                 }
  40                 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
  41             }
  42         }
  43      -re ".*$gdb_prompt $"       { pass "Delete all breakpoints when none" }
  44     timeout                 { fail "Delete all breakpoints when none (timeout)" }
  45 }
  46
  47 #
  48 # test break at function
  49 #
  50 gdb_test "break main" \
  51     "Breakpoint.*at.* file .*$srcfile, line.*" \
  52     "breakpoint function"
  53
  54 #
  55 # test break at quoted function
  56 #
  57 gdb_test "break \"marker2\"" \
  58     "Breakpoint.*at.* file .*$srcfile1, line.*" \
  59     "breakpoint quoted function"
  60
  61 #
  62 # test break at function in file
  63 #
  64 gdb_test "break $srcfile:factorial" \
  65     "Breakpoint.*at.* file .*$srcfile, line.*" \
  66     "breakpoint function in file"
  67
  68 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  69
  70 #
  71 # test break at line number
  72 #
  73 # Note that the default source file is the last one whose source text
  74 # was printed.  For native debugging, before we've executed the
  75 # program, this is the file containing main, but for remote debugging,
  76 # it's wherever the processor was stopped when we connected to the
  77 # board.  So, to be sure, we do a list command.
  78 #
  79 gdb_test "list main" \
  80     ".*main \\(argc, argv, envp\\).*" \
  81     "use `list' to establish default source file"
  82 gdb_test "break $bp_location1" \
  83     "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
  84     "breakpoint line number"
  85
  86 #
  87 # test duplicate breakpoint
  88 #
  89 gdb_test "break $bp_location1" \
  90     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
  91     "breakpoint duplicate"
  92
  93 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
  94
  95 #
  96 # test break at line number in file
  97 #
  98 gdb_test "break $srcfile:$bp_location2" \
  99     "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
 100     "breakpoint line number in file"
 101
 102 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
 103 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
 104
 105 #
 106 # Test putting a break at the start of a multi-line if conditional.
 107 # Verify the breakpoint was put at the start of the conditional.
 108 #
 109 gdb_test "break multi_line_if_conditional" \
 110     "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
 111     "breakpoint at start of multi line if conditional"
 112
 113 gdb_test "break multi_line_while_conditional" \
 114     "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
 115     "breakpoint at start of multi line while conditional"
 116
 117 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 118
 119 set main_line $bp_location6
 120
 121 if {$hp_aCC_compiler} {
 122     set proto "\\(int\\)"
 123 } else {
 124     set proto ""
 125 }
 126
 127 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
 128 set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
 129 set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]
 130
 131 gdb_test "info break" \
 132     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 133 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*
 134 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker2 at .*$srcfile1:($bp_location8|$bp_location9).*
 135 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial$proto at .*$srcfile:$bp_location7.*
 136 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 137 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 138 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location2.*
 139 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
 140 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
 141     "breakpoint info"
 142
 143 #
 144 # Test info breakpoint with arguments
 145 #
 146
 147 set see1 0
 148 set see2 0
 149 set see3 0
 150 set see4 0
 151 set see5 0
 152 set see6 0
 153
 154 gdb_test_multiple "info break 2 4 6" "info break 2 4 6" {
 155     -re "1\[\t \]+breakpoint *keep y\[^\r\n\]*:$main_line\[^\r\n\]*" {
 156         set see1 1
 157         exp_continue
 158     }
 159     -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
 160         set see2 1
 161         exp_continue
 162     }
 163     -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
 164         set see3 1
 165         exp_continue
 166     }
 167     -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 168         set see4 1
 169         exp_continue
 170     }
 171     -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 172         set see5 1
 173         exp_continue
 174     }
 175     -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
 176         set see6 1
 177         exp_continue
 178     }
 179     -re ".*$gdb_prompt $" {
 180         if { !$see1 && $see2 && !$see3 && $see4 && !$see5 && $see6 } then {
 181             pass "info break 2 4 6"
 182         } else {
 183             fail "info break 2 4 6"
 184         }
 185     }
 186 }
 187
 188 set see1 0
 189 set see2 0
 190 set see3 0
 191 set see4 0
 192 set see5 0
 193 set see6 0
 194
 195 gdb_test_multiple "info break 3-5" "info break 3-5" {
 196     -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
 197         set see1 1
 198         exp_continue
 199     }
 200     -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
 201         set see2 1
 202         exp_continue
 203     }
 204     -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
 205         set see3 1
 206         exp_continue
 207     }
 208     -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 209         set see4 1
 210         exp_continue
 211     }
 212     -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 213         set see5 1
 214         exp_continue
 215     }
 216     -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
 217         set see6 1
 218         exp_continue
 219     }
 220     -re ".*$gdb_prompt $" {
 221         if { !$see1 && !$see2 && $see3 && $see4 && $see5 && !$see6 } then {
 222             pass "info break 3-5"
 223         } else {
 224             fail "info break 3-5"
 225         }
 226     }
 227 }
 228
 229 #
 230 # Test disable/enable with arguments
 231 #
 232
 233 # Test with value history
 234
 235 gdb_test "print 1" "" ""
 236 gdb_test "print 2" "" ""
 237 gdb_test "print 3" "" ""
 238 gdb_test "print 4" "" ""
 239 gdb_test "print 5" "" ""
 240 gdb_test "print 6" "" ""
 241
 242 # $2 is 2 and $$ is 5
 243 gdb_test_no_output "disable \$2 \$\$" "disable using history values"
 244
 245 set see1 0
 246 set see2 0
 247 set see3 0
 248 set see4 0
 249 set see5 0
 250 set see6 0
 251
 252 gdb_test_multiple "info break" "check disable with history values" {
 253     -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
 254         set see1 1
 255         exp_continue
 256     }
 257     -re "2\[\t \]+breakpoint *keep n\[^\r\n\]* in marker2 at \[^\r\n\]*" {
 258         set see2 1
 259         exp_continue
 260     }
 261     -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
 262         set see3 1
 263         exp_continue
 264     }
 265     -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 266         set see4 1
 267         exp_continue
 268     }
 269     -re "5\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 270         set see5 1
 271         exp_continue
 272     }
 273     -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
 274         set see6 1
 275         exp_continue
 276     }
 277     -re ".*$gdb_prompt $" {
 278         if { $see1 && $see2 && $see3 && $see4 && $see5 && $see6 } then {
 279             pass "check disable with history values"
 280         } else {
 281             fail "check disable with history values"
 282         }
 283     }
 284 }
 285
 286 gdb_test "enable" "" ""
 287 gdb_test "set \$foo = 3" "" ""
 288 gdb_test "set \$bar = 6" "" ""
 289 gdb_test_no_output "disable \$foo \$bar" "disable with convenience values"
 290
 291 set see1 0
 292 set see2 0
 293 set see3 0
 294 set see4 0
 295 set see5 0
 296 set see6 0
 297
 298 gdb_test_multiple "info break" "check disable with convenience values" {
 299     -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
 300         set see1 1
 301         exp_continue
 302     }
 303     -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
 304         set see2 1
 305         exp_continue
 306     }
 307     -re "3\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location7\[^\r\n\]*" {
 308         set see3 1
 309         exp_continue
 310     }
 311     -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 312         set see4 1
 313         exp_continue
 314     }
 315     -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
 316         set see5 1
 317         exp_continue
 318     }
 319     -re "6\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location2\[^\r\n\]*" {
 320         set see6 1
 321         exp_continue
 322     }
 323     -re ".*$gdb_prompt $" {
 324         if { $see1 && $see2 && $see3 && $see4 && $see5 && $see6 } then {
 325             pass "check disable with convenience values"
 326         } else {
 327             fail "check disable with convenience values"
 328         }
 329     }
 330 }
 331
 332 # test with bad values
 333
 334 gdb_test "enable" "" ""
 335 gdb_test "disable 10" "No breakpoint number 10." \
 336     "disable non-existent breakpoint 10"
 337
 338 gdb_test_no_output "set \$baz = 1.234"
 339 gdb_test "disable \$baz" \
 340     "Convenience variable must have integer value.*" \
 341     "disable with non-integer convenience var"
 342 gdb_test "disable \$grbx" \
 343     "Convenience variable must have integer value.*" \
 344     "disable with non-existent convenience var"
 345 gdb_test "disable \$10" \
 346     "History has not yet reached .10." \
 347     "disable with non-existent history value"
 348 gdb_test "disable \$1foo" \
 349     "Convenience variable must have integer value.*" \
 350     "disable with badly formed history value"
 351
 352 # FIXME: The rest of this test doesn't work with anything that can't
 353 # handle arguments.
 354 # Huh? There doesn't *appear* to be anything that passes arguments
 355 # below.
 356
 357 #
 358 # run until the breakpoint at main is hit. For non-stubs-using targets.
 359 #
 360 gdb_run_cmd
 361 gdb_test "" \
 362     "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*" \
 363     "run until function breakpoint"
 364
 365 # Test the 'list' commands sets current file for the 'break LINENO' command.
 366 set bp_marker1 [gdb_get_line_number "set breakpoint 16 here" ${srcfile1}]
 367 gdb_test "list marker1" ".*"
 368 gdb_test "break $bp_marker1" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file .*${srcfile1}, line ${bp_marker1}\\." \
 369          "break lineno"
 370 gdb_test_no_output {delete $bpnum}
 371
 372 #
 373 # run until the breakpoint at a line number
 374 #
 375 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
 376                         "run until breakpoint set at a line number"
 377
 378 #
 379 # Run until the breakpoint set in a function in a file
 380 #
 381 for {set i 6} {$i >= 1} {incr i -1} {
 382         gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
 383                         "run until file:function($i) breakpoint"
 384 }
 385
 386 #
 387 # Run until the breakpoint set at a quoted function
 388 #
 389 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:($bp_location8|$bp_location9).*" \
 390                 "run until quoted breakpoint"
 391 #
 392 # run until the file:function breakpoint at a line number in a file
 393 #
 394 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
 395                 "run until file:linenum breakpoint"
 396
 397 # Test break at offset +1
 398 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
 399
 400 gdb_test "break +1" \
 401     "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
 402     "breakpoint offset +1"
 403
 404 # Check to see if breakpoint is hit when stepped onto
 405
 406 gdb_test "step" \
 407     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
 408     "step onto breakpoint"
 409
 410 # Check to see if breakpoint can be set on ending brace of function
 411 set bp_location10a [gdb_get_line_number "set breakpoint 10a here"]
 412
 413 gdb_test "break $bp_location10a" \
 414     "Breakpoint.*at.* file .*$srcfile, line $bp_location10a\\." \
 415     "setting breakpoint at }"
 416
 417 gdb_test "continue" \
 418     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10a.*$bp_location10a\[\t \]+}.*breakpoint 10a here.*" \
 419     "continue to breakpoint at }"
 420
 421 #
 422 # delete all breakpoints so we can start over, course this can be a test too
 423 #
 424 delete_breakpoints
 425
 426 #
 427 # test temporary breakpoint at function
 428 #
 429
 430 gdb_test "tbreak main" "Temporary breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 431
 432 #
 433 # test break at function in file
 434 #
 435
 436 gdb_test "tbreak $srcfile:factorial" "Temporary breakpoint.*at.* file .*$srcfile, line.*" \
 437         "Temporary breakpoint function in file"
 438
 439 #
 440 # test break at line number
 441 #
 442 gdb_test "tbreak $bp_location1" \
 443     "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location1.*" \
 444     "Temporary breakpoint line number #1"
 445
 446 gdb_test "tbreak $bp_location6" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"
 447
 448 #
 449 # test break at line number in file
 450 #
 451 gdb_test "tbreak $srcfile:$bp_location2" \
 452     "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location2.*" \
 453     "Temporary breakpoint line number in file #1"
 454
 455 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
 456 gdb_test  "tbreak $srcfile:$bp_location11" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
 457
 458 #
 459 # check to see what breakpoints are set (temporary this time)
 460 #
 461 gdb_test "info break" "Num     Type.*Disp Enb Address.*What.*\[\r\n\]
 462 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
 463 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial$proto at .*$srcfile:$bp_location7.*\[\r\n\]
 464 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
 465 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
 466 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
 467 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location11.*" \
 468     "Temporary breakpoint info"
 469
 470
 471 #***********
 472
 473 # Verify that catchpoints for fork, vfork and exec don't trigger
 474 # inappropriately.  (There are no calls to those system functions
 475 # in this test program.)
 476 #
 477 if ![runto_main] then { fail "break tests suppressed" }
 478
 479 gdb_test "catch" \
 480     "Catch requires an event name." \
 481     "catch requires an event name"
 482
 483
 484 set name "set catch fork, never expected to trigger"
 485 gdb_test_multiple "catch fork" "$name" {
 486     -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $" {
 487         pass $name
 488     }
 489     -re "Catch of fork not yet implemented.*$gdb_prompt $" {
 490         pass $name
 491     }
 492 }
 493
 494
 495 # If we are on HP-UX 10.20, we expect an error message to be
 496 # printed if we type "catch vfork" at the gdb gdb_prompt.  This is
 497 # because on HP-UX 10.20, we cannot catch vfork events.
 498
 499 set name "set catch vfork, never expected to trigger"
 500
 501 if [istarget "hppa*-hp-hpux10.20"] then {
 502     gdb_test "catch vfork" \
 503         "Catch of vfork events not supported on HP-UX 10.20..*" \
 504         "$name"
 505 } else {
 506     gdb_test_multiple "catch vfork" "$name" {
 507         -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $" {
 508             pass $name
 509         }
 510         -re "Catch of vfork not yet implemented.*$gdb_prompt $" {
 511             pass $name
 512         }
 513     }
 514 }
 515
 516 set name "set catch exec, never expected to trigger"
 517 gdb_test_multiple "catch exec" "$name" {
 518     -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $" {
 519         pass $name
 520     }
 521     -re "Catch of exec not yet implemented.*$gdb_prompt $" {
 522         pass $name
 523     }
 524 }
 525
 526 # Verify that GDB responds gracefully when asked to set a breakpoint
 527 # on a nonexistent source line.
 528 #
 529 gdb_test_no_output "set breakpoint pending off"
 530 gdb_test "break 999" \
 531     "No line 999 in the current file." \
 532     "break on non-existent source line"
 533
 534 # Run to the desired default location. If not positioned here, the
 535 # tests below don't work.
 536 #
 537 gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" \
 538     "until bp_location1"
 539
 540 # Verify that GDB allows one to just say "break", which is treated
 541 # as the "default" breakpoint.  Note that GDB gets cute when printing
 542 # the informational message about other breakpoints at the same
 543 # location.  We'll hit that bird with this stone too.
 544 #
 545 gdb_test "break" "Breakpoint \[0-9\]*.*" \
 546     "break on default location, 1st time"
 547
 548 gdb_test "break" \
 549     "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
 550     "break on default location, 2nd time"
 551
 552 gdb_test "break" \
 553     "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
 554     "break on default location, 3rd time"
 555
 556 gdb_test "break" \
 557     "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
 558     "break on default location, 4th time"
 559
 560 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
 561 # "silent" about its triggering.
 562 #
 563 if ![runto_main] then { fail "break tests suppressed" }
 564
 565 gdb_test_multiple "break $bp_location1" \
 566     "set to-be-silent break bp_location1" {
 567         -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $" {
 568             pass "set to-be-silent break bp_location1"
 569         }
 570     }
 571
 572 gdb_test "commands $expect_out(1,string)\nsilent\nend" ">end" "set silent break bp_location1"
 573
 574 gdb_test "info break $expect_out(1,string)" \
 575     "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*" \
 576     "info silent break bp_location1"
 577
 578 gdb_test "continue" "Continuing." \
 579     "hit silent break bp_location1"
 580
 581 gdb_test "bt" "#0  main .* at .*:$bp_location1.*" \
 582     "stopped for silent break bp_location1"
 583
 584 # Verify that GDB can at least parse a breakpoint with the
 585 # "thread" keyword.  (We won't attempt to test here that a
 586 # thread-specific breakpoint really triggers appropriately.
 587 # The gdb.threads subdirectory contains tests for that.)
 588 #
 589 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
 590 gdb_test "break $bp_location12 thread 999" "Unknown thread 999.*" \
 591     "thread-specific breakpoint on non-existent thread disallowed"
 592
 593 gdb_test "break $bp_location12 thread foo" \
 594     "Junk after thread keyword.*" \
 595     "thread-specific breakpoint on bogus thread ID disallowed"
 596
 597 # Verify that GDB responds gracefully to a breakpoint command with
 598 # trailing garbage.
 599 #
 600 gdb_test "break $bp_location12 foo" \
 601     "malformed linespec error: unexpected string, \"foo\".*" \
 602     "breakpoint with trailing garbage disallowed"
 603
 604 # Verify that GDB responds gracefully to a "clear" command that has
 605 # no matching breakpoint.  (First, get us off the current source line,
 606 # which we know has a breakpoint.)
 607 #
 608 gdb_test "next" "marker1.*" "step over breakpoint"
 609
 610 gdb_test "clear 81" "No breakpoint at 81.*" \
 611     "clear line has no breakpoint disallowed"
 612
 613 gdb_test "clear" "No breakpoint at this line.*" \
 614     "clear current line has no breakpoint disallowed"
 615
 616 # Verify that we can set and clear multiple breakpoints.
 617 #
 618 # We don't test that it deletes the correct breakpoints.  We do at
 619 # least test that it deletes more than one breakpoint.
 620 #
 621 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
 622 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
 623 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
 624
 625 # Verify that a breakpoint can be set via a convenience variable.
 626 #
 627 gdb_test_no_output "set \$foo=$bp_location11" \
 628     "set convenience variable \$foo to bp_location11"
 629
 630 gdb_test "break \$foo" \
 631     "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*" \
 632     "set breakpoint via convenience variable"
 633
 634 # Verify that GDB responds gracefully to an attempt to set a
 635 # breakpoint via a convenience variable whose type is not integer.
 636 #
 637 gdb_test_no_output "set \$foo=81.5" \
 638     "set convenience variable \$foo to 81.5"
 639
 640 gdb_test "break \$foo" \
 641     "Convenience variables used in line specs must have integer values.*" \
 642     "set breakpoint via non-integer convenience variable disallowed"
 643
 644 # Verify that we can set and trigger a breakpoint in a user-called function.
 645 #
 646 gdb_test "break marker2" \
 647     "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*" \
 648     "set breakpoint on to-be-called function"
 649
 650 gdb_test "print marker2(99)" \
 651     "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.*" \
 652     "hit breakpoint on called function"
 653
 654 # As long as we're stopped (breakpointed) in a called function,
 655 # verify that we can successfully backtrace & such from here.
 656 #
 657 # In this and the following test, the _sr4export check apparently is needed
 658 # for hppa*-*-hpux.
 659 #
 660 gdb_test_multiple "bt" "backtrace while in called function" {
 661     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $" {
 662         pass "backtrace while in called function"
 663     }
 664     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $" {
 665         pass "backtrace while in called function"
 666     }
 667 }
 668
 669 # Return from the called function.  For remote targets, it's important to do
 670 # this before runto_main, which otherwise may silently stop on the dummy
 671 # breakpoint inserted by GDB at the program's entry point.
 672 #
 673 gdb_test_multiple "finish" "finish from called function" {
 674     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $" {
 675         pass "finish from called function"
 676     }
 677     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $" {
 678         pass "finish from called function"
 679     }
 680     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $" {
 681         pass "finish from called function"
 682     }
 683 }
 684
 685 # Verify that GDB responds gracefully to a "finish" command with
 686 # arguments.
 687 #
 688 if ![runto_main] then { fail "break tests suppressed" }
 689
 690 send_gdb "finish 123\n"
 691 gdb_expect {
 692   -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
 693           {pass "finish with arguments disallowed"}
 694   -re "$gdb_prompt $"\
 695           {fail "finish with arguments disallowed"}
 696   timeout {fail "(timeout) finish with arguments disallowed"}
 697 }
 698
 699 # Verify that GDB responds gracefully to a request to "finish" from
 700 # the outermost frame.  On a stub that never exits, this will just
 701 # run to the stubs routine, so we don't get this error...  Thus the
 702 # second condition.
 703 #
 704
 705 gdb_test_multiple "finish" "finish from outermost frame disallowed" {
 706     -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $" {
 707         pass "finish from outermost frame disallowed"
 708     }
 709     -re "Run till exit from.*\r\n$gdb_prompt $" {
 710         pass "finish from outermost frame disallowed"
 711     }
 712 }
 713
 714 # Verify that we can explicitly ask GDB to stop on all shared library
 715 # events, and that it does so.
 716 #
 717 if [istarget "hppa*-*-hpux*"] then {
 718     if ![runto_main] then { fail "break tests suppressed" }
 719
 720     gdb_test_no_output "set stop-on-solib-events 1" \
 721         "set stop-on-solib-events"
 722
 723     gdb_test "run" \
 724         "Stopped due to shared library event.*" \
 725         "triggered stop-on-solib-events" \
 726         "Start it from the beginning.*y or n. $" \
 727         "y"
 728
 729     gdb_test_no_output "set stop-on-solib-events 0" \
 730         "reset stop-on-solib-events"
 731 }
 732
 733 # Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
 734 # gracefully responds to requests to create them.
 735 #
 736 if [istarget "hppa*-*-hpux*"] then {
 737     if ![runto_main] then { fail "break tests suppressed" }
 738
 739     gdb_test "hbreak" \
 740         "No hardware breakpoint support in the target.*" \
 741         "hw breaks disallowed"
 742
 743     gdb_test "thbreak" \
 744         "No hardware breakpoint support in the target.*" \
 745         "temporary hw breaks disallowed"
 746 }
 747
 748 #********
 749
 750
 751 #
 752 # Test "next" over recursive function call.
 753 #
 754
 755 proc test_next_with_recursion {} {
 756     global gdb_prompt
 757     global decimal
 758     global binfile
 759
 760     gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
 761     delete_breakpoints
 762
 763     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 764
 765     # Run until we call factorial with 6
 766
 767     gdb_run_cmd
 768     gdb_test "" "Break.* factorial .value=6. .*" "run to factorial(6)"
 769
 770     # Continue until we call factorial recursively with 5.
 771
 772     if [gdb_test "continue" \
 773         "Continuing.*Break.* factorial .value=5. .*" \
 774         "continue to factorial(5)"] then { gdb_suppress_tests }
 775
 776     # Do a backtrace just to confirm how many levels deep we are.
 777
 778     if [gdb_test "backtrace" \
 779         "#0\[ \t\]+ factorial .value=5..*" \
 780         "backtrace from factorial(5)"] then { gdb_suppress_tests }
 781
 782     # Now a "next" should position us at the recursive call, which
 783     # we will be performing with 4.
 784
 785     if [gdb_test "next" \
 786         ".* factorial .value - 1.;.*" \
 787         "next to recursive call"] then { gdb_suppress_tests }
 788
 789     # Disable the breakpoint at the entry to factorial by deleting them all.
 790     # The "next" should run until we return to the next line from this
 791     # recursive call to factorial with 4.
 792     # Buggy versions of gdb will stop instead at the innermost frame on
 793     # the line where we are trying to "next" to.
 794
 795     delete_breakpoints
 796
 797     if [istarget "mips*tx39-*"] {
 798         set timeout 60
 799     }
 800     # We used to set timeout here for all other targets as well.  This
 801     # is almost certainly wrong.  The proper timeout depends on the
 802     # target system in use, and how we communicate with it, so there
 803     # is no single value appropriate for all targets.  The timeout
 804     # should be established by the Dejagnu config file(s) for the
 805     # board, and respected by the test suite.
 806     #
 807     # For example, if I'm running GDB over an SSH tunnel talking to a
 808     # portmaster in California talking to an ancient 68k board running
 809     # a crummy ROM monitor (a situation I can only wish were
 810     # hypothetical), then I need a large timeout.  But that's not the
 811     # kind of knowledge that belongs in this file.
 812
 813     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 814             "next over recursive call"
 815
 816     # OK, we should be back in the same stack frame we started from.
 817     # Do a backtrace just to confirm.
 818
 819     set result [gdb_test "backtrace" \
 820             "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 821             "backtrace from factorial(5.1)"]
 822     if { $result != 0 } { gdb_suppress_tests }
 823
 824     if [target_info exists gdb,noresults] { gdb_suppress_tests }
 825   gdb_continue_to_end "recursive next test"
 826    gdb_stop_suppressing_tests
 827 }
 828
 829 test_next_with_recursion
 830
 831
 832 #********
 833
 834 # build a new file with optimization enabled so that we can try breakpoints
 835 # on targets with optimized prologues
 836
 837 if { [prepare_for_testing break.exp "breako2" {break.c break1.c} {debug nowarnings optimize=-O2}] } {
 838     return -1
 839 }
 840
 841 #
 842 # test break at function
 843 #
 844 gdb_test "break main" \
 845     "Breakpoint.*at.* file .*, line.*" \
 846     "breakpoint function, optimized file"
 847
 848 #
 849 # test break at function
 850 #
 851 gdb_test "break marker4" \
 852     "Breakpoint.*at.* file .*$srcfile1, line.*" \
 853     "breakpoint small function, optimized file"
 854
 855 #
 856 # run until the breakpoint at main is hit. For non-stubs-using targets.
 857 #
 858 gdb_run_cmd
 859
 860 set test "run until function breakpoint, optimized file"
 861 gdb_test_multiple "" $test {
 862     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 863         pass $test
 864     }
 865     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
 866         pass "$test (code motion)"
 867     }
 868 }
 869
 870 #
 871 # run until the breakpoint at a small function
 872 #
 873
 874 #
 875 # Add a second pass pattern.  The behavior differs here between stabs
 876 # and dwarf for one-line functions.  Stabs preserves two line symbols
 877 # (one before the prologue and one after) with the same line number,
 878 # but dwarf regards these as duplicates and discards one of them.
 879 # Therefore the address after the prologue (where the breakpoint is)
 880 # has no exactly matching line symbol, and GDB reports the breakpoint
 881 # as if it were in the middle of a line rather than at the beginning.
 882
 883 set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1]
 884 set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
 885
 886 gdb_test_multiple "continue" \
 887     "run until breakpoint set at small function, optimized file" {
 888         -re "Breakpoint $decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 889             pass "run until breakpoint set at small function, optimized file"
 890         }
 891         -re "Breakpoint $decimal, $hex in marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 892             pass "run until breakpoint set at small function, optimized file"
 893         }
 894         -re "Breakpoint $decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
 895             # marker4() is defined at line 46 when compiled with -DPROTOTYPES
 896             pass "run until breakpoint set at small function, optimized file (line bp_location14)"
 897         }
 898         -re "Breakpoint $decimal, factorial \\(.*\\) .*\{\r\n$gdb_prompt" {
 899             # GCC 4.3 emits bad line number information - see gcc/36748.
 900             if { [test_compiler_info "gcc-4-3-*"] } {
 901                 setup_xfail *-*-*
 902             }
 903             fail "run until breakpoint set at small function, optimized file"
 904         }
 905     }
 906
 907 clean_restart breako2
 908
 909 #
 910 # test that 'rbreak' on a symbol that may be from a shared library doesn't
 911 # cause a "Junk at end of arguments." error.
 912 #
 913 # On x86 GNU/Linux, this test will choke on e.g. __libc_start_main@plt.
 914 #
 915 # Note that this test won't necessarily choke on all targets even if
 916 # all the rbreak issue is present.  rbreak needs to match and set a
 917 # breakpoint on a symbol causes 'break' to choke.
 918 #
 919
 920 gdb_test_no_output "set breakpoint pending on" "rbreak junk pending setup"
 921
 922 # We expect at least one breakpoint to be set when we "rbreak main".
 923 gdb_test "rbreak main" \
 924     ".*Breakpoint.*at.* file .*$srcfile, line.*" \
 925     "rbreak junk set breakpoint"
 926
 927 # Run to a breakpoint.  Fail if we see "Junk at end of arguments".
 928 gdb_run_cmd
 929
 930 set test "rbreak junk"
 931 gdb_test_multiple "" $test {
 932     -re "Junk at end of arguments" {
 933         fail $test
 934     }
 935     -re ".*Breakpoint \[0-9\]+,.*$gdb_prompt $" {
 936         pass $test
 937     }
 938 }
 939
 940 #
 941 # Test break via convenience variable with file name
 942 #
 943 set line [gdb_get_line_number "set breakpoint 1 here"]
 944 gdb_test_no_output "set \$l = $line"
 945 gdb_breakpoint ${srcfile}:\$l
 946
 947 gdb_test_no_output "set \$foo=81.5" \
 948     "set convenience variable \$foo to 81.5"
 949 gdb_test "break $srcfile:\$foo" \
 950     "Convenience variables used in line specs must have integer values.*" \
 951     "set breakpoint via non-integer convenience variable disallowed"