gdb/testsuite/gdb.base/break.exp

   1 #   Copyright (C) 1988, 1990, 1991, 1992, 1994, 1997, 1998
   2 #   Free Software Foundation, Inc.
   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 # This file was written by Rob Savoye. (rob@cygnus.com)
  22
  23 if $tracelevel then {
  24     strace $tracelevel
  25 }
  26
  27
  28 #
  29 # test running programs
  30 #
  31 set prms_id 0
  32 set bug_id 0
  33
  34 set testfile "break"
  35 set srcfile ${testfile}.c
  36 set binfile ${objdir}/${subdir}/${testfile}
  37
  38 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
  39     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  40 }
  41
  42 if [get_compiler_info ${binfile}] {
  43     return -1
  44 }
  45
  46 gdb_exit
  47 gdb_start
  48 gdb_reinitialize_dir $srcdir/$subdir
  49 gdb_load ${binfile}
  50
  51 if [target_info exists gdb_stub] {
  52     gdb_step_for_stub;
  53 }
  54 #
  55 # test simple breakpoint setting commands
  56 #
  57
  58 # Test deleting all breakpoints when there are none installed,
  59 # GDB should not prompt for confirmation.
  60 # Note that gdb-init.exp provides a "delete_breakpoints" proc
  61 # for general use elsewhere.
  62
  63 send_gdb "delete breakpoints\n"
  64 gdb_expect {
  65      -re "Delete all breakpoints.*$" {
  66             send_gdb "y\n"
  67             gdb_expect {
  68                 -re "$gdb_prompt $" {
  69                     fail "Delete all breakpoints when none (unexpected prompt)"
  70                 }
  71                 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
  72             }
  73         }
  74      -re ".*$gdb_prompt $"       { pass "Delete all breakpoints when none" }
  75     timeout                 { fail "Delete all breakpoints when none (timeout)" }
  76 }
  77
  78 #
  79 # test break at function
  80 #
  81 gdb_test "break main" \
  82     "Breakpoint.*at.* file .*$srcfile, line.*" \
  83     "breakpoint function"
  84
  85 #
  86 # test break at function in file
  87 #
  88 gdb_test "break $srcfile:factorial" \
  89     "Breakpoint.*at.* file .*$srcfile, line.*" \
  90     "breakpoint function in file"
  91
  92 #
  93 # test break at line number
  94 #
  95 gdb_test "break 79" \
  96     "Breakpoint.*at.* file .*$srcfile, line 79\\." \
  97     "breakpoint line number"
  98
  99 #
 100 # test duplicate breakpoint
 101 #
 102 gdb_test "break 79" \
 103     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line 79\\." \
 104     "breakpoint duplicate"
 105
 106 #
 107 # test break at line number in file
 108 #
 109 gdb_test "break $srcfile:85" \
 110     "Breakpoint.*at.* file .*$srcfile, line 85\\." \
 111     "breakpoint line number in file"
 112
 113
 114 #
 115 # check to see what breakpoints are set
 116 #
 117 if [target_info exists gdb_stub] {
 118     set main_line 72
 119 } else {
 120     set main_line 75
 121 }
 122
 123 if {$hp_aCC_compiler} {
 124     set proto "\\(int\\)"
 125 } else {
 126     set proto ""
 127 }
 128 gdb_test "info break" \
 129     "Num Type\[ \]+Disp Enb Address\[ \]+What.*
 130 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*
 131 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial$proto at .*$srcfile:96.*
 132 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:79.*
 133 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:79.*
 134 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:85" \
 135     "breakpoint info"
 136
 137
 138 # FIXME: The rest of this test doesn't work with anything that can't
 139 # handle arguments.
 140 # Huh? There doesn't *appear* to be anything that passes arguments
 141 # below.
 142 if [istarget "mips-idt-*"] then {
 143     return
 144 }
 145
 146 #
 147 # run until the breakpoint at main is hit. For non-stubs-using targets.
 148 #
 149 if ![target_info exists use_gdb_stub] {
 150   if [istarget "*-*-vxworks*"] then {
 151     send_gdb "run vxmain \"2\"\n"
 152     set timeout 120
 153     verbose "Timeout is now $timeout seconds" 2
 154   } else {
 155         send_gdb "run\n"
 156   }
 157   gdb_expect {
 158     -re "The program .* has been started already.*y or n. $" {
 159         send_gdb "y\n"
 160         exp_continue
 161     }
 162     -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:75.*75\[\t \]+if .argc.* \{.*$gdb_prompt $"\
 163                             { pass "run until function breakpoint" }
 164     -re ".*$gdb_prompt $"       { fail "run until function breakpoint" }
 165     timeout                 { fail "run until function breakpoint (timeout)" }
 166   }
 167 } else {
 168     if ![target_info exists gdb_stub] {
 169         gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:75.*75\[\t \]+if .argc.*\{.*" "stub continue"
 170     }
 171 }
 172
 173 #
 174 # run until the breakpoint at a line number
 175 #
 176 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:79.*79\[\t \]+printf.*factorial.*" \
 177                         "run until breakpoint set at a line number"
 178
 179 #
 180 # Run until the breakpoint set in a function in a file
 181 #
 182 for {set i 6} {$i >= 1} {incr i -1} {
 183         gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:96.*96\[\t \]+.*if .value > 1. \{.*" \
 184                         "run until file:function($i) breakpoint"
 185 }
 186
 187 #
 188 # run until the file:function breakpoint at a line number in a file
 189 #
 190 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:85.*85\[\t \]+argc = \\(argc == 12345\\);.*" \
 191                 "run until file:linenum breakpoint"
 192
 193 # Test break at offset +1
 194
 195 gdb_test "break +1" \
 196     "Breakpoint.*at.* file .*$srcfile, line 86\\." \
 197     "breakpoint offset +1"
 198
 199 # Check to see if breakpoint is hit when stepped onto
 200
 201 gdb_test "step" \
 202     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:86.*86\[\t \]+return argc;" \
 203     "step onto breakpoint"
 204
 205 #
 206 # delete all breakpoints so we can start over, course this can be a test too
 207 #
 208 delete_breakpoints
 209
 210 #
 211 # test temporary breakpoint at function
 212 #
 213
 214 gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 215
 216 #
 217 # test break at function in file
 218 #
 219
 220 gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \
 221         "Temporary breakpoint function in file"
 222
 223 #
 224 # test break at line number
 225 #
 226 send_gdb "tbreak 79\n"
 227 gdb_expect {
 228     -re "Breakpoint.*at.* file .*$srcfile, line 79.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
 229         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number #1" }
 230         timeout     { fail "breakpoint line number #1 (timeout)" }
 231 }
 232
 233 gdb_test "tbreak 75" "Breakpoint.*at.* file .*$srcfile, line 75.*" "Temporary breakpoint line number #2"
 234
 235 #
 236 # test break at line number in file
 237 #
 238 send_gdb "tbreak $srcfile:85\n"
 239 gdb_expect {
 240     -re "Breakpoint.*at.* file .*$srcfile, line 85.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
 241         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number in file #1" }
 242         timeout     { fail "Temporary breakpoint line number in file #1 (timeout)" }
 243 }
 244
 245 gdb_test  "tbreak $srcfile:81" "Breakpoint.*at.* file .*$srcfile, line 81.*" "Temporary breakpoint line number in file #2"
 246
 247 #
 248 # check to see what breakpoints are set (temporary this time)
 249 #
 250 gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
 251 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
 252 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial$proto at .*$srcfile:96.*\[\r\n\]
 253 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:79.*\[\r\n\]
 254 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:75.*\[\r\n\]
 255 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:85.*\[\r\n\]
 256 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:81.*" \
 257     "Temporary breakpoint info"
 258
 259
 260 #***********
 261
 262 # Verify that catchpoints for fork, vfork and exec don't trigger
 263 # inappropriately.  (There are no calls to those system functions
 264 # in this test program.)
 265 #
 266 if ![runto_main] then { fail "break tests suppressed" }
 267
 268 send_gdb "catch\n"
 269 gdb_expect {
 270   -re "Catch requires an event name.*$gdb_prompt $"\
 271           {pass "catch requires an event name"}
 272   -re "$gdb_prompt $"\
 273           {fail "catch requires an event name"}
 274   timeout {fail "(timeout) catch requires an event name"}
 275 }
 276
 277
 278 set name "set catch fork, never expected to trigger"
 279 send_gdb "catch fork\n"
 280 gdb_expect {
 281   -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
 282           {pass $name}
 283   -re "Catch of fork not yet implemented.*$gdb_prompt $"
 284           {pass $name}
 285   -re "$gdb_prompt $"
 286           {fail $name}
 287   timeout {fail "(timeout) $name"}
 288 }
 289
 290
 291 set name "set catch vfork, never expected to trigger"
 292 send_gdb "catch vfork\n"
 293
 294 # If we are on HP-UX 10.20, we expect an error message to be
 295 # printed if we type "catch vfork" at the gdb gdb_prompt.  This is
 296 # because on HP-UX 10.20, we cannot catch vfork events.
 297
 298 if [istarget "hppa*-hp-hpux10.20"] then {
 299     gdb_expect {
 300         -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
 301                 {pass $name}
 302         -re "$gdb_prompt $"
 303                 {fail $name}
 304         timeout {fail "(timeout) $name"}
 305     }
 306 } else {
 307     gdb_expect {
 308         -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
 309                 {pass $name}
 310         -re "Catch of vfork not yet implemented.*$gdb_prompt $"
 311                 {pass $name}
 312         -re "$gdb_prompt $"
 313                 {fail $name}
 314         timeout {fail "(timeout) $name"}
 315     }
 316 }
 317
 318 set name "set catch exec, never expected to trigger"
 319 send_gdb "catch exec\n"
 320 gdb_expect {
 321   -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
 322           {pass $name}
 323   -re "Catch of exec not yet implemented.*$gdb_prompt $"
 324           {pass $name}
 325   -re "$gdb_prompt $" {fail $name}
 326   timeout {fail "(timeout) $name"}
 327 }
 328
 329 # Verify that "until <location>" works.  (This is really just syntactic
 330 # sugar for "tbreak <location>; continue".)
 331 #
 332 send_gdb "until 79\n"
 333 gdb_expect {
 334   -re "main .* at .*:79.*$gdb_prompt $"\
 335           {pass "until 79"}
 336   -re "$gdb_prompt $"\
 337           {fail "until 79"}
 338   timeout {fail "(timeout) until 79"}
 339 }
 340
 341 # Verify that a malformed "until" is gracefully caught.
 342 #
 343 send_gdb "until 80 then stop\n"
 344 gdb_expect {
 345   -re "Junk at end of arguments..*$gdb_prompt $"\
 346           {pass "malformed until"}
 347   -re "$gdb_prompt $"\
 348           {fail "malformed until"}
 349   timeout {fail "(timeout) malformed until"}
 350 }
 351
 352 # Verify that GDB responds gracefully when asked to set a breakpoint
 353 # on a nonexistent source line.
 354 #
 355 send_gdb "break 999\n"
 356 gdb_expect {
 357   -re "No line 999 in file .*$gdb_prompt $"\
 358           {pass "break on non-existent source line"}
 359   -re "$gdb_prompt $"\
 360           {fail "break on non-existent source line"}
 361   timeout {fail "(timeout) break on non-existent source line"}
 362 }
 363
 364 # Verify that GDB allows one to just say "break", which is treated
 365 # as the "default" breakpoint.  Note that GDB gets cute when printing
 366 # the informational message about other breakpoints at the same
 367 # location.  We'll hit that bird with this stone too.
 368 #
 369 send_gdb "break\n"
 370 gdb_expect {
 371   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 372           {pass "break on default location, 1st time"}
 373   -re "$gdb_prompt $"\
 374           {fail "break on default location, 1st time"}
 375   timeout {fail "(timeout) break on default location, 1st time"}
 376 }
 377
 378 send_gdb "break\n"
 379 gdb_expect {
 380   -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 381           {pass "break on default location, 2nd time"}
 382   -re "$gdb_prompt $"\
 383           {fail "break on default location, 2nd time"}
 384   timeout {fail "(timeout) break on default location, 2nd time"}
 385 }
 386
 387 send_gdb "break\n"
 388 gdb_expect {
 389   -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 390           {pass "break on default location, 3rd time"}
 391   -re "$gdb_prompt $"\
 392           {fail "break on default location, 3rd time"}
 393   timeout {fail "(timeout) break on default location, 3rd time"}
 394 }
 395
 396 send_gdb "break\n"
 397 gdb_expect {
 398   -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 399           {pass "break on default location, 4th time"}
 400   -re "$gdb_prompt $"\
 401           {fail "break on default location, 4th time"}
 402   timeout {fail "(timeout) break on default location, 4th time"}
 403 }
 404
 405 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
 406 # "silent" about its triggering.
 407 #
 408 if ![runto_main] then { fail "break tests suppressed" }
 409
 410 send_gdb "break 79\n"
 411 gdb_expect {
 412   -re "Breakpoint (\[0-9\]*) at .*, line 79.*$gdb_prompt $"\
 413           {pass "set to-be-silent break 79"}
 414   -re "$gdb_prompt $"\
 415           {fail "set to-be-silent break 79"}
 416   timeout {fail "(timeout) set to-be-silent break 79"}
 417 }
 418
 419 send_gdb "commands $expect_out(1,string)\n"
 420 send_gdb "silent\n"
 421 send_gdb "end\n"
 422 gdb_expect {
 423   -re ".*$gdb_prompt $"\
 424           {pass "set silent break 79"}
 425   timeout {fail "(timeout) set silent break 79"}
 426 }
 427
 428 send_gdb "info break $expect_out(1,string)\n"
 429 gdb_expect {
 430   -re "\[0-9\]*\[ \t\]*breakpoint.*:79\r\n\[ \t\]*silent.*$gdb_prompt $"\
 431           {pass "info silent break 79"}
 432   -re "$gdb_prompt $"\
 433           {fail "info silent break 79"}
 434   timeout {fail "(timeout) info silent break 79"}
 435 }
 436 send_gdb "continue\n"
 437 gdb_expect {
 438   -re "Continuing.\r\n$gdb_prompt $"\
 439           {pass "hit silent break 79"}
 440   -re "$gdb_prompt $"\
 441           {fail "hit silent break 79"}
 442   timeout {fail "(timeout) hit silent break 79"}
 443 }
 444 send_gdb "bt\n"
 445 gdb_expect {
 446   -re "#0  main .* at .*:79.*$gdb_prompt $"\
 447           {pass "stopped for silent break 79"}
 448   -re "$gdb_prompt $"\
 449           {fail "stopped for silent break 79"}
 450   timeout {fail "(timeout) stopped for silent break 79"}
 451 }
 452
 453 # Verify that GDB can at least parse a breakpoint with the
 454 # "thread" keyword.  (We won't attempt to test here that a
 455 # thread-specific breakpoint really triggers appropriately.
 456 # The gdb.threads subdirectory contains tests for that.)
 457 #
 458 send_gdb "break 80 thread 999\n"
 459 gdb_expect {
 460   -re "Unknown thread 999.*$gdb_prompt $"\
 461           {pass "thread-specific breakpoint on non-existent thread disallowed"}
 462   -re "$gdb_prompt $"\
 463           {fail "thread-specific breakpoint on non-existent thread disallowed"}
 464   timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
 465 }
 466 send_gdb "break 80 thread foo\n"
 467 gdb_expect {
 468   -re "Junk after thread keyword..*$gdb_prompt $"\
 469           {pass "thread-specific breakpoint on bogus thread ID disallowed"}
 470   -re "$gdb_prompt $"\
 471           {fail "thread-specific breakpoint on bogus thread ID disallowed"}
 472   timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
 473 }
 474
 475 # Verify that GDB responds gracefully to a breakpoint command with
 476 # trailing garbage.
 477 #
 478 send_gdb "break 80 foo\n"
 479 gdb_expect {
 480   -re "Junk at end of arguments..*$gdb_prompt $"\
 481           {pass "breakpoint with trailing garbage disallowed"}
 482   -re "$gdb_prompt $"\
 483           {fail "breakpoint with trailing garbage disallowed"}
 484   timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}
 485 }
 486
 487 # Verify that GDB responds gracefully to a "clear" command that has
 488 # no matching breakpoint.  (First, get us off the current source line,
 489 # which we know has a breakpoint.)
 490 #
 491 send_gdb "next\n"
 492 gdb_expect {
 493   -re ".*$gdb_prompt $"\
 494           {pass "step over breakpoint"}
 495   timeout {fail "(timeout) step over breakpoint"}
 496 }
 497 send_gdb "clear 81\n"
 498 gdb_expect {
 499   -re "No breakpoint at 81..*$gdb_prompt $"\
 500           {pass "clear line has no breakpoint disallowed"}
 501   -re "$gdb_prompt $"\
 502           {fail "clear line has no breakpoint disallowed"}
 503   timeout {fail "(timeout) clear line has no breakpoint disallowed"}
 504 }
 505 send_gdb "clear\n"
 506 gdb_expect {
 507   -re "No breakpoint at this line..*$gdb_prompt $"\
 508           {pass "clear current line has no breakpoint disallowed"}
 509   -re "$gdb_prompt $"\
 510           {fail "clear current line has no breakpoint disallowed"}
 511   timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
 512 }
 513
 514 # Verify that a breakpoint can be set via a convenience variable.
 515 #
 516 send_gdb "set \$foo=81\n"
 517 gdb_expect {
 518   -re "$gdb_prompt $"\
 519           {pass "set convenience variable \$foo to 81"}
 520   timeout {fail "(timeout) set convenience variable \$foo to 81"}
 521 }
 522 send_gdb "break \$foo\n"
 523 gdb_expect {
 524   -re "Breakpoint (\[0-9\]*) at .*, line 81.*$gdb_prompt $"\
 525           {pass "set breakpoint via convenience variable"}
 526   -re "$gdb_prompt $"\
 527           {fail "set breakpoint via convenience variable"}
 528   timeout {fail "(timeout) set breakpoint via convenience variable"}
 529 }
 530
 531 # Verify that GDB responds gracefully to an attempt to set a
 532 # breakpoint via a convenience variable whose type is not integer.
 533 #
 534 send_gdb "set \$foo=81.5\n"
 535 gdb_expect {
 536   -re "$gdb_prompt $"\
 537           {pass "set convenience variable \$foo to 81.5"}
 538   timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
 539 }
 540 send_gdb "break \$foo\n"
 541 gdb_expect {
 542   -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\
 543           {pass "set breakpoint via non-integer convenience variable disallowed"}
 544   -re "$gdb_prompt $"\
 545           {fail "set breakpoint via non-integer convenience variable disallowed"}
 546   timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}
 547 }
 548
 549 # Verify that we can set and trigger a breakpoint in a user-called function.
 550 #
 551 send_gdb "break marker2\n"
 552 gdb_expect {
 553     -re "Breakpoint (\[0-9\]*) at .*, line 4\[49\].*$gdb_prompt $"\
 554           {pass "set breakpoint on to-be-called function"}
 555   -re "$gdb_prompt $"\
 556           {fail "set breakpoint on to-be-called function"}
 557   timeout {fail "(timeout) set breakpoint on to-be-called function"}
 558 }
 559 send_gdb "print marker2(99)\n"
 560 gdb_expect {
 561   -re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2$proto. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\
 562           {pass "hit breakpoint on called function"}
 563   -re "$gdb_prompt $"\
 564           {fail "hit breakpoint on called function"}
 565   timeout {fail "(timeout) hit breakpoint on called function"}
 566 }
 567
 568 # As long as we're stopped (breakpointed) in a called function,
 569 # verify that we can successfully backtrace & such from here.
 570 #
 571
 572 if [istarget "hppa*-*-hpux*"] then {
 573   send_gdb "bt\n"
 574   gdb_expect {
 575       -re "#0\[ \t\]*$hex in marker2.*:4\[49\]\r\n#1.*_sr4export.*$gdb_prompt $"\
 576             {pass "backtrace while in called function"}
 577       -re "#0\[ \t\]*$hex in marker2.*:4\[49\]\r\n#1.*function called from gdb.*$gdb_prompt $"\
 578
 579             {pass "backtrace while in called function"}
 580     -re "$gdb_prompt $"\
 581             {fail "backtrace while in called function"}
 582     timeout {fail "(timeout) backtrace while in called function"}
 583   }
 584   send_gdb "finish\n"
 585   gdb_expect {
 586       -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.* in _sr4export.*$gdb_prompt $"\
 587             {pass "finish from called function"}
 588       -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.*function called from gdb.*$gdb_prompt $"\
 589             {pass "finish from called function"}
 590       -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.*Value returned.*$gdb_prompt $"\
 591             {pass "finish from called function"}
 592     -re "$gdb_prompt $"\
 593             {fail "finish from called function"}
 594     timeout {fail "(timeout) finish from called function"}
 595   }
 596 }
 597
 598 # Verify that GDB responds gracefully to a "finish" command with
 599 # arguments.
 600 #
 601 if ![runto_main] then { fail "break tests suppressed" }
 602
 603 send_gdb "finish 123\n"
 604 gdb_expect {
 605   -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
 606           {pass "finish with arguments disallowed"}
 607   -re "$gdb_prompt $"\
 608           {fail "finish with arguments disallowed"}
 609   timeout {fail "(timeout) finish with arguments disallowed"}
 610 }
 611
 612 # Verify that GDB responds gracefully to a request to "finish" from
 613 # the outermost frame.  On a stub that never exits, this will just
 614 # run to the stubs routine, so we don't get this error...  Thus the
 615 # second condition.
 616 #
 617
 618 send_gdb "finish\n"
 619 gdb_expect {
 620   -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
 621           {pass "finish from outermost frame disallowed"}
 622   -re "Run till exit from.*" {
 623      pass "finish from outermost frame disallowed"
 624   }
 625   -re "$gdb_prompt $"\
 626           {fail "finish from outermost frame disallowed"}
 627   timeout {fail "(timeout) finish from outermost frame disallowed"}
 628 }
 629
 630 # Verify that we can explicitly ask GDB to stop on all shared library
 631 # events, and that it does so.
 632 #
 633 if [istarget "hppa*-*-hpux*"] then {
 634   if ![runto_main] then { fail "break tests suppressed" }
 635
 636   send_gdb "set stop-on-solib-events 1\n"
 637   gdb_expect {
 638     -re "$gdb_prompt $"\
 639             {pass "set stop-on-solib-events"}
 640     timeout {fail "(timeout) set stop-on-solib-events"}
 641   }
 642
 643   send_gdb "run\n"
 644   gdb_expect {
 645     -re ".*Start it from the beginning.*y or n. $"\
 646             {send_gdb "y\n"
 647              gdb_expect {
 648                -re ".*Stopped due to shared library event.*$gdb_prompt $"\
 649                        {pass "triggered stop-on-solib-events"}
 650                -re "$gdb_prompt $"\
 651                        {fail "triggered stop-on-solib-events"}
 652                timeout {fail "(timeout) triggered stop-on-solib-events"}
 653              }
 654             }
 655     -re "$gdb_prompt $"\
 656             {fail "rerun for stop-on-solib-events"}
 657     timeout {fail "(timeout) rerun for stop-on-solib-events"}
 658   }
 659
 660   send_gdb "set stop-on-solib-events 0\n"
 661   gdb_expect {
 662     -re "$gdb_prompt $"\
 663             {pass "reset stop-on-solib-events"}
 664     timeout {fail "(timeout) reset stop-on-solib-events"}
 665   }
 666 }
 667
 668 # Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
 669 # gracefully responds to requests to create them.
 670 #
 671 if [istarget "hppa*-*-hpux*"] then {
 672   if ![runto_main] then { fail "break tests suppressed" }
 673
 674   send_gdb "hbreak\n"
 675   gdb_expect {
 676     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 677             {pass "hw breaks disallowed"}
 678     -re "$gdb_prompt $"\
 679             {fail "hw breaks disallowed"}
 680     timeout {fail "(timeout) hw breaks disallowed"}
 681   }
 682
 683   send_gdb "thbreak\n"
 684   gdb_expect {
 685     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 686             {pass "temporary hw breaks disallowed"}
 687     -re "$gdb_prompt $"\
 688             {fail "temporary hw breaks disallowed"}
 689     timeout {fail "(timeout) temporary hw breaks disallowed"}
 690   }
 691 }
 692
 693 #********
 694
 695
 696 proc test_clear_command {} {
 697     gdb_test "break main" "Breakpoint.*at.*" "break main #1"
 698     gdb_test "break main" "Breakpoint.*at.*" "break main #2"
 699
 700     # We don't test that it deletes the correct breakpoints.  We do at
 701     # least test that it deletes more than one breakpoint.
 702     gdb_test "clear main" {Deleted breakpoints [0-9]+ [0-9]+.*}
 703 }
 704
 705 #
 706 # Test "next" over recursive function call.
 707 #
 708
 709 proc test_next_with_recursion {} {
 710     global gdb_prompt
 711     global decimal
 712     global binfile
 713
 714     if [target_info exists use_gdb_stub] {
 715         # Reload the program.
 716         delete_breakpoints
 717         gdb_load ${binfile};
 718     } else {
 719         # FIXME: should be using runto
 720         gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
 721
 722         delete_breakpoints
 723     }
 724
 725     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 726
 727     # Run until we call factorial with 6
 728
 729     if [istarget "*-*-vxworks*"] then {
 730         send_gdb "run vxmain \"6\"\n"
 731     } else {
 732         gdb_run_cmd
 733     }
 734     gdb_expect {
 735         -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
 736         -re ".*$gdb_prompt $" {
 737             fail "run to factorial(6)";
 738             gdb_suppress_tests;
 739         }
 740         timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
 741     }
 742
 743     # Continue until we call factorial recursively with 5.
 744
 745     if [gdb_test "continue" \
 746         "Continuing.*Break.* factorial .value=5. .*" \
 747         "continue to factorial(5)"] then { gdb_suppress_tests }
 748
 749     # Do a backtrace just to confirm how many levels deep we are.
 750
 751     if [gdb_test "backtrace" \
 752         "#0\[ \t\]+ factorial .value=5..*" \
 753         "backtrace from factorial(5)"] then { gdb_suppress_tests }
 754
 755     # Now a "next" should position us at the recursive call, which
 756     # we will be performing with 4.
 757
 758     if [gdb_test "next" \
 759         ".* factorial .value - 1.;.*" \
 760         "next to recursive call"] then { gdb_suppress_tests }
 761
 762     # Disable the breakpoint at the entry to factorial by deleting them all.
 763     # The "next" should run until we return to the next line from this
 764     # recursive call to factorial with 4.
 765     # Buggy versions of gdb will stop instead at the innermost frame on
 766     # the line where we are trying to "next" to.
 767
 768     delete_breakpoints
 769
 770     if [istarget "mips*tx39-*"] {
 771         set timeout 60
 772     } else {
 773         set timeout 20
 774     }
 775
 776     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 777             "next over recursive call"
 778
 779     # OK, we should be back in the same stack frame we started from.
 780     # Do a backtrace just to confirm.
 781
 782     set result [gdb_test "backtrace" \
 783             "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 784             "backtrace from factorial(5.1)"]
 785     if { $result != 0 } { gdb_suppress_tests }
 786
 787     if [target_info exists gdb,noresults] { gdb_suppress_tests }
 788   gdb_continue_to_end "recursive next test"
 789    gdb_stop_suppressing_tests;
 790 }
 791
 792 test_clear_command
 793 test_next_with_recursion
 794
 795 # Reset the default arguments for VxWorks
 796 if [istarget "*-*-vxworks*"] {
 797     set timeout 10
 798     verbose "Timeout is now $timeout seconds" 2
 799     send_gdb "set args main\n"
 800     gdb_expect -re ".*$gdb_prompt $" {}
 801 }