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:95.*
 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:95.*95\[\t \]+.*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\[\t \]+return 0;" \
 191                 "run until file:linenum breakpoint"
 192
 193 #
 194 # delete all breakpoints so we can start over, course this can be a test too
 195 #
 196 delete_breakpoints
 197
 198 #
 199 # test temporary breakpoint at function
 200 #
 201
 202 gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 203
 204 #
 205 # test break at function in file
 206 #
 207
 208 gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \
 209         "Temporary breakpoint function in file"
 210
 211 #
 212 # test break at line number
 213 #
 214 send_gdb "tbreak 79\n"
 215 gdb_expect {
 216     -re "Breakpoint.*at.* file .*$srcfile, line 79.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
 217         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number #1" }
 218         timeout     { fail "breakpoint line number #1 (timeout)" }
 219 }
 220
 221 gdb_test "tbreak 75" "Breakpoint.*at.* file .*$srcfile, line 75.*" "Temporary breakpoint line number #2"
 222
 223 #
 224 # test break at line number in file
 225 #
 226 send_gdb "tbreak $srcfile:85\n"
 227 gdb_expect {
 228     -re "Breakpoint.*at.* file .*$srcfile, line 85.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
 229         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number in file #1" }
 230         timeout     { fail "Temporary breakpoint line number in file #1 (timeout)" }
 231 }
 232
 233 gdb_test  "tbreak $srcfile:81" "Breakpoint.*at.* file .*$srcfile, line 81.*" "Temporary breakpoint line number in file #2"
 234
 235 #
 236 # check to see what breakpoints are set (temporary this time)
 237 #
 238 gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
 239 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
 240 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial$proto at .*$srcfile:95.*\[\r\n\]
 241 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:79.*\[\r\n\]
 242 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:75.*\[\r\n\]
 243 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:85.*\[\r\n\]
 244 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:81.*" \
 245     "Temporary breakpoint info"
 246
 247
 248 #***********
 249
 250 # Verify that catchpoints for fork, vfork and exec don't trigger
 251 # inappropriately.  (There are no calls to those system functions
 252 # in this test program.)
 253 #
 254 if ![runto_main] then { fail "break tests suppressed" }
 255
 256 send_gdb "catch\n"
 257 gdb_expect {
 258   -re "Catch requires an event name.*$gdb_prompt $"\
 259           {pass "catch requires an event name"}
 260   -re "$gdb_prompt $"\
 261           {fail "catch requires an event name"}
 262   timeout {fail "(timeout) catch requires an event name"}
 263 }
 264
 265
 266 set name "set catch fork, never expected to trigger"
 267 send_gdb "catch fork\n"
 268 gdb_expect {
 269   -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
 270           {pass $name}
 271   -re "Catch of fork not yet implemented.*$gdb_prompt $"
 272           {pass $name}
 273   -re "$gdb_prompt $"
 274           {fail $name}
 275   timeout {fail "(timeout) $name"}
 276 }
 277
 278
 279 set name "set catch vfork, never expected to trigger"
 280 send_gdb "catch vfork\n"
 281
 282 # If we are on HP-UX 10.20, we expect an error message to be
 283 # printed if we type "catch vfork" at the gdb gdb_prompt.  This is
 284 # because on HP-UX 10.20, we cannot catch vfork events.
 285
 286 if [istarget "hppa*-hp-hpux10.20"] then {
 287     gdb_expect {
 288         -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
 289                 {pass $name}
 290         -re "$gdb_prompt $"
 291                 {fail $name}
 292         timeout {fail "(timeout) $name"}
 293     }
 294 } else {
 295     gdb_expect {
 296         -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
 297                 {pass $name}
 298         -re "Catch of vfork not yet implemented.*$gdb_prompt $"
 299                 {pass $name}
 300         -re "$gdb_prompt $"
 301                 {fail $name}
 302         timeout {fail "(timeout) $name"}
 303     }
 304 }
 305
 306 set name "set catch exec, never expected to trigger"
 307 send_gdb "catch exec\n"
 308 gdb_expect {
 309   -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
 310           {pass $name}
 311   -re "Catch of exec not yet implemented.*$gdb_prompt $"
 312           {pass $name}
 313   -re "$gdb_prompt $" {fail $name}
 314   timeout {fail "(timeout) $name"}
 315 }
 316
 317 # Verify that "until <location>" works.  (This is really just syntactic
 318 # sugar for "tbreak <location>; continue".)
 319 #
 320 send_gdb "until 79\n"
 321 gdb_expect {
 322   -re "main .* at .*:79.*$gdb_prompt $"\
 323           {pass "until 79"}
 324   -re "$gdb_prompt $"\
 325           {fail "until 79"}
 326   timeout {fail "(timeout) until 79"}
 327 }
 328
 329 # Verify that a malformed "until" is gracefully caught.
 330 #
 331 send_gdb "until 80 then stop\n"
 332 gdb_expect {
 333   -re "Junk at end of arguments..*$gdb_prompt $"\
 334           {pass "malformed until"}
 335   -re "$gdb_prompt $"\
 336           {fail "malformed until"}
 337   timeout {fail "(timeout) malformed until"}
 338 }
 339
 340 # Verify that GDB responds gracefully when asked to set a breakpoint
 341 # on a nonexistent source line.
 342 #
 343 send_gdb "break 999\n"
 344 gdb_expect {
 345   -re "No line 999 in file .*$gdb_prompt $"\
 346           {pass "break on non-existent source line"}
 347   -re "$gdb_prompt $"\
 348           {fail "break on non-existent source line"}
 349   timeout {fail "(timeout) break on non-existent source line"}
 350 }
 351
 352 # Verify that GDB allows one to just say "break", which is treated
 353 # as the "default" breakpoint.  Note that GDB gets cute when printing
 354 # the informational message about other breakpoints at the same
 355 # location.  We'll hit that bird with this stone too.
 356 #
 357 send_gdb "break\n"
 358 gdb_expect {
 359   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 360           {pass "break on default location, 1st time"}
 361   -re "$gdb_prompt $"\
 362           {fail "break on default location, 1st time"}
 363   timeout {fail "(timeout) break on default location, 1st time"}
 364 }
 365
 366 send_gdb "break\n"
 367 gdb_expect {
 368   -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 369           {pass "break on default location, 2nd time"}
 370   -re "$gdb_prompt $"\
 371           {fail "break on default location, 2nd time"}
 372   timeout {fail "(timeout) break on default location, 2nd time"}
 373 }
 374
 375 send_gdb "break\n"
 376 gdb_expect {
 377   -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 378           {pass "break on default location, 3rd time"}
 379   -re "$gdb_prompt $"\
 380           {fail "break on default location, 3rd time"}
 381   timeout {fail "(timeout) break on default location, 3rd time"}
 382 }
 383
 384 send_gdb "break\n"
 385 gdb_expect {
 386   -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 387           {pass "break on default location, 4th time"}
 388   -re "$gdb_prompt $"\
 389           {fail "break on default location, 4th time"}
 390   timeout {fail "(timeout) break on default location, 4th time"}
 391 }
 392
 393 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
 394 # "silent" about its triggering.
 395 #
 396 if ![runto_main] then { fail "break tests suppressed" }
 397
 398 send_gdb "break 79\n"
 399 gdb_expect {
 400   -re "Breakpoint (\[0-9\]*) at .*, line 79.*$gdb_prompt $"\
 401           {pass "set to-be-silent break 79"}
 402   -re "$gdb_prompt $"\
 403           {fail "set to-be-silent break 79"}
 404   timeout {fail "(timeout) set to-be-silent break 79"}
 405 }
 406
 407 send_gdb "commands $expect_out(1,string)\n"
 408 send_gdb "silent\n"
 409 send_gdb "end\n"
 410 gdb_expect {
 411   -re ".*$gdb_prompt $"\
 412           {pass "set silent break 79"}
 413   timeout {fail "(timeout) set silent break 79"}
 414 }
 415
 416 send_gdb "info break $expect_out(1,string)\n"
 417 gdb_expect {
 418   -re "\[0-9\]*\[ \t\]*breakpoint.*:79\r\n\[ \t\]*silent.*$gdb_prompt $"\
 419           {pass "info silent break 79"}
 420   -re "$gdb_prompt $"\
 421           {fail "info silent break 79"}
 422   timeout {fail "(timeout) info silent break 79"}
 423 }
 424 send_gdb "continue\n"
 425 gdb_expect {
 426   -re "Continuing.\r\n$gdb_prompt $"\
 427           {pass "hit silent break 79"}
 428   -re "$gdb_prompt $"\
 429           {fail "hit silent break 79"}
 430   timeout {fail "(timeout) hit silent break 79"}
 431 }
 432 send_gdb "bt\n"
 433 gdb_expect {
 434   -re "#0  main .* at .*:79.*$gdb_prompt $"\
 435           {pass "stopped for silent break 79"}
 436   -re "$gdb_prompt $"\
 437           {fail "stopped for silent break 79"}
 438   timeout {fail "(timeout) stopped for silent break 79"}
 439 }
 440
 441 # Verify that GDB can at least parse a breakpoint with the
 442 # "thread" keyword.  (We won't attempt to test here that a
 443 # thread-specific breakpoint really triggers appropriately.
 444 # The gdb.threads subdirectory contains tests for that.)
 445 #
 446 send_gdb "break 80 thread 999\n"
 447 gdb_expect {
 448   -re "Unknown thread 999.*$gdb_prompt $"\
 449           {pass "thread-specific breakpoint on non-existent thread disallowed"}
 450   -re "$gdb_prompt $"\
 451           {fail "thread-specific breakpoint on non-existent thread disallowed"}
 452   timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
 453 }
 454 send_gdb "break 80 thread foo\n"
 455 gdb_expect {
 456   -re "Junk after thread keyword..*$gdb_prompt $"\
 457           {pass "thread-specific breakpoint on bogus thread ID disallowed"}
 458   -re "$gdb_prompt $"\
 459           {fail "thread-specific breakpoint on bogus thread ID disallowed"}
 460   timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
 461 }
 462
 463 # Verify that GDB responds gracefully to a breakpoint command with
 464 # trailing garbage.
 465 #
 466 send_gdb "break 80 foo\n"
 467 gdb_expect {
 468   -re "Junk at end of arguments..*$gdb_prompt $"\
 469           {pass "breakpoint with trailing garbage disallowed"}
 470   -re "$gdb_prompt $"\
 471           {fail "breakpoint with trailing garbage disallowed"}
 472   timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}
 473 }
 474
 475 # Verify that GDB responds gracefully to a "clear" command that has
 476 # no matching breakpoint.  (First, get us off the current source line,
 477 # which we know has a breakpoint.)
 478 #
 479 send_gdb "next\n"
 480 gdb_expect {
 481   -re ".*$gdb_prompt $"\
 482           {pass "step over breakpoint"}
 483   timeout {fail "(timeout) step over breakpoint"}
 484 }
 485 send_gdb "clear 81\n"
 486 gdb_expect {
 487   -re "No breakpoint at 81..*$gdb_prompt $"\
 488           {pass "clear line has no breakpoint disallowed"}
 489   -re "$gdb_prompt $"\
 490           {fail "clear line has no breakpoint disallowed"}
 491   timeout {fail "(timeout) clear line has no breakpoint disallowed"}
 492 }
 493 send_gdb "clear\n"
 494 gdb_expect {
 495   -re "No breakpoint at this line..*$gdb_prompt $"\
 496           {pass "clear current line has no breakpoint disallowed"}
 497   -re "$gdb_prompt $"\
 498           {fail "clear current line has no breakpoint disallowed"}
 499   timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
 500 }
 501
 502 # Verify that a breakpoint can be set via a convenience variable.
 503 #
 504 send_gdb "set \$foo=81\n"
 505 gdb_expect {
 506   -re "$gdb_prompt $"\
 507           {pass "set convenience variable \$foo to 81"}
 508   timeout {fail "(timeout) set convenience variable \$foo to 81"}
 509 }
 510 send_gdb "break \$foo\n"
 511 gdb_expect {
 512   -re "Breakpoint (\[0-9\]*) at .*, line 81.*$gdb_prompt $"\
 513           {pass "set breakpoint via convenience variable"}
 514   -re "$gdb_prompt $"\
 515           {fail "set breakpoint via convenience variable"}
 516   timeout {fail "(timeout) set breakpoint via convenience variable"}
 517 }
 518
 519 # Verify that GDB responds gracefully to an attempt to set a
 520 # breakpoint via a convenience variable whose type is not integer.
 521 #
 522 send_gdb "set \$foo=81.5\n"
 523 gdb_expect {
 524   -re "$gdb_prompt $"\
 525           {pass "set convenience variable \$foo to 81.5"}
 526   timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
 527 }
 528 send_gdb "break \$foo\n"
 529 gdb_expect {
 530   -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\
 531           {pass "set breakpoint via non-integer convenience variable disallowed"}
 532   -re "$gdb_prompt $"\
 533           {fail "set breakpoint via non-integer convenience variable disallowed"}
 534   timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}
 535 }
 536
 537 # Verify that we can set and trigger a breakpoint in a user-called function.
 538 #
 539 send_gdb "break marker2\n"
 540 gdb_expect {
 541     -re "Breakpoint (\[0-9\]*) at .*, line 4\[49\].*$gdb_prompt $"\
 542           {pass "set breakpoint on to-be-called function"}
 543   -re "$gdb_prompt $"\
 544           {fail "set breakpoint on to-be-called function"}
 545   timeout {fail "(timeout) set breakpoint on to-be-called function"}
 546 }
 547 send_gdb "print marker2(99)\n"
 548 gdb_expect {
 549   -re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2$proto. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\
 550           {pass "hit breakpoint on called function"}
 551   -re "$gdb_prompt $"\
 552           {fail "hit breakpoint on called function"}
 553   timeout {fail "(timeout) hit breakpoint on called function"}
 554 }
 555
 556 # As long as we're stopped (breakpointed) in a called function,
 557 # verify that we can successfully backtrace & such from here.
 558 #
 559
 560 if [istarget "hppa*-*-hpux*"] then {
 561   send_gdb "bt\n"
 562   gdb_expect {
 563       -re "#0\[ \t\]*$hex in marker2.*:4\[49\]\r\n#1.*_sr4export.*$gdb_prompt $"\
 564             {pass "backtrace while in called function"}
 565       -re "#0\[ \t\]*$hex in marker2.*:4\[49\]\r\n#1.*function called from gdb.*$gdb_prompt $"\
 566
 567             {pass "backtrace while in called function"}
 568     -re "$gdb_prompt $"\
 569             {fail "backtrace while in called function"}
 570     timeout {fail "(timeout) backtrace while in called function"}
 571   }
 572   send_gdb "finish\n"
 573   gdb_expect {
 574       -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.* in _sr4export.*$gdb_prompt $"\
 575             {pass "finish from called function"}
 576       -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.*function called from gdb.*$gdb_prompt $"\
 577             {pass "finish from called function"}
 578       -re "Run till exit from .*marker2.* at .*4\[49\]\r\n.*Value returned.*$gdb_prompt $"\
 579             {pass "finish from called function"}
 580     -re "$gdb_prompt $"\
 581             {fail "finish from called function"}
 582     timeout {fail "(timeout) finish from called function"}
 583   }
 584 }
 585
 586 # Verify that GDB responds gracefully to a "finish" command with
 587 # arguments.
 588 #
 589 if ![runto_main] then { fail "break tests suppressed" }
 590
 591 send_gdb "finish 123\n"
 592 gdb_expect {
 593   -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
 594           {pass "finish with arguments disallowed"}
 595   -re "$gdb_prompt $"\
 596           {fail "finish with arguments disallowed"}
 597   timeout {fail "(timeout) finish with arguments disallowed"}
 598 }
 599
 600 # Verify that GDB responds gracefully to a request to "finish" from
 601 # the outermost frame.  On a stub that never exits, this will just
 602 # run to the stubs routine, so we don't get this error...  Thus the
 603 # second condition.
 604 #
 605
 606 send_gdb "finish\n"
 607 gdb_expect {
 608   -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
 609           {pass "finish from outermost frame disallowed"}
 610   -re "Run till exit from.*" {
 611      pass "finish from outermost frame disallowed"
 612   }
 613   -re "$gdb_prompt $"\
 614           {fail "finish from outermost frame disallowed"}
 615   timeout {fail "(timeout) finish from outermost frame disallowed"}
 616 }
 617
 618 # Verify that we can explicitly ask GDB to stop on all shared library
 619 # events, and that it does so.
 620 #
 621 if [istarget "hppa*-*-hpux*"] then {
 622   if ![runto_main] then { fail "break tests suppressed" }
 623
 624   send_gdb "set stop-on-solib-events 1\n"
 625   gdb_expect {
 626     -re "$gdb_prompt $"\
 627             {pass "set stop-on-solib-events"}
 628     timeout {fail "(timeout) set stop-on-solib-events"}
 629   }
 630
 631   send_gdb "run\n"
 632   gdb_expect {
 633     -re ".*Start it from the beginning.*y or n. $"\
 634             {send_gdb "y\n"
 635              gdb_expect {
 636                -re ".*Stopped due to shared library event.*$gdb_prompt $"\
 637                        {pass "triggered stop-on-solib-events"}
 638                -re "$gdb_prompt $"\
 639                        {fail "triggered stop-on-solib-events"}
 640                timeout {fail "(timeout) triggered stop-on-solib-events"}
 641              }
 642             }
 643     -re "$gdb_prompt $"\
 644             {fail "rerun for stop-on-solib-events"}
 645     timeout {fail "(timeout) rerun for stop-on-solib-events"}
 646   }
 647
 648   send_gdb "set stop-on-solib-events 0\n"
 649   gdb_expect {
 650     -re "$gdb_prompt $"\
 651             {pass "reset stop-on-solib-events"}
 652     timeout {fail "(timeout) reset stop-on-solib-events"}
 653   }
 654 }
 655
 656 # Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
 657 # gracefully responds to requests to create them.
 658 #
 659 if [istarget "hppa*-*-hpux*"] then {
 660   if ![runto_main] then { fail "break tests suppressed" }
 661
 662   send_gdb "hbreak\n"
 663   gdb_expect {
 664     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 665             {pass "hw breaks disallowed"}
 666     -re "$gdb_prompt $"\
 667             {fail "hw breaks disallowed"}
 668     timeout {fail "(timeout) hw breaks disallowed"}
 669   }
 670
 671   send_gdb "thbreak\n"
 672   gdb_expect {
 673     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 674             {pass "temporary hw breaks disallowed"}
 675     -re "$gdb_prompt $"\
 676             {fail "temporary hw breaks disallowed"}
 677     timeout {fail "(timeout) temporary hw breaks disallowed"}
 678   }
 679 }
 680
 681 #********
 682
 683
 684 proc test_clear_command {} {
 685     gdb_test "break main" "Breakpoint.*at.*" "break main #1"
 686     gdb_test "break main" "Breakpoint.*at.*" "break main #2"
 687
 688     # We don't test that it deletes the correct breakpoints.  We do at
 689     # least test that it deletes more than one breakpoint.
 690     gdb_test "clear main" {Deleted breakpoints [0-9]+ [0-9]+.*}
 691 }
 692
 693 #
 694 # Test "next" over recursive function call.
 695 #
 696
 697 proc test_next_with_recursion {} {
 698     global gdb_prompt
 699     global decimal
 700     global binfile
 701
 702     if [target_info exists use_gdb_stub] {
 703         # Reload the program.
 704         delete_breakpoints
 705         gdb_load ${binfile};
 706     } else {
 707         # FIXME: should be using runto
 708         gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
 709
 710         delete_breakpoints
 711     }
 712
 713     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 714
 715     # Run until we call factorial with 6
 716
 717     if [istarget "*-*-vxworks*"] then {
 718         send_gdb "run vxmain \"6\"\n"
 719     } else {
 720         gdb_run_cmd
 721     }
 722     gdb_expect {
 723         -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
 724         -re ".*$gdb_prompt $" {
 725             fail "run to factorial(6)";
 726             gdb_suppress_tests;
 727         }
 728         timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
 729     }
 730
 731     # Continue until we call factorial recursively with 5.
 732
 733     if [gdb_test "continue" \
 734         "Continuing.*Break.* factorial .value=5. .*" \
 735         "continue to factorial(5)"] then { gdb_suppress_tests }
 736
 737     # Do a backtrace just to confirm how many levels deep we are.
 738
 739     if [gdb_test "backtrace" \
 740         "#0\[ \t\]+ factorial .value=5..*" \
 741         "backtrace from factorial(5)"] then { gdb_suppress_tests }
 742
 743     # Now a "next" should position us at the recursive call, which
 744     # we will be performing with 4.
 745
 746     if [gdb_test "next" \
 747         ".* factorial .value - 1.;.*" \
 748         "next to recursive call"] then { gdb_suppress_tests }
 749
 750     # Disable the breakpoint at the entry to factorial by deleting them all.
 751     # The "next" should run until we return to the next line from this
 752     # recursive call to factorial with 4.
 753     # Buggy versions of gdb will stop instead at the innermost frame on
 754     # the line where we are trying to "next" to.
 755
 756     delete_breakpoints
 757
 758     if [istarget "mips*tx39-*"] {
 759         set timeout 60
 760     } else {
 761         set timeout 20
 762     }
 763
 764     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 765             "next over recursive call"
 766
 767     # OK, we should be back in the same stack frame we started from.
 768     # Do a backtrace just to confirm.
 769
 770     set result [gdb_test "backtrace" \
 771             "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 772             "backtrace from factorial(5.1)"]
 773     if { $result != 0 } { gdb_suppress_tests }
 774
 775     if [target_info exists gdb,noresults] { gdb_suppress_tests }
 776   gdb_continue_to_end "recursive next test"
 777    gdb_stop_suppressing_tests;
 778 }
 779
 780 test_clear_command
 781 test_next_with_recursion
 782
 783 # Reset the default arguments for VxWorks
 784 if [istarget "*-*-vxworks*"] {
 785     set timeout 10
 786     verbose "Timeout is now $timeout seconds" 2
 787     send_gdb "set args main\n"
 788     gdb_expect -re ".*$gdb_prompt $" {}
 789 }