gdb/testsuite/gdb.base/sepdebug.exp

   1 #   Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
   2 #   2000, 2002, 2003, 2004, 2007 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 # Based on break.exp, written by Rob Savoye. (rob@cygnus.com)
  22 # Modified to test gdb's handling of separate debug info files.
  23
  24 # This file has two parts. The first is testing that gdb behaves
  25 # normally after reading in an executable and its corresponding
  26 # separate debug file. The second moves the .debug file to a different
  27 # location and tests the "set debug-file-directory" command.
  28
  29
  30 if $tracelevel then {
  31     strace $tracelevel
  32 }
  33
  34 #
  35 # test running programs
  36 #
  37 set prms_id 0
  38 set bug_id 0
  39
  40 set testfile "sepdebug"
  41 set srcfile ${testfile}.c
  42 set binfile ${objdir}/${subdir}/${testfile}
  43
  44 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  45     untested sepdebug.exp
  46     return -1
  47 }
  48
  49 # Note: the procedure gdb_gnu_strip_debug will produce an executable called
  50 # ${binfile}, which is just like the executable ($binfile) but without
  51 # the debuginfo. Instead $binfile has a .gnudebuglink section which contains
  52 # the name of a debuginfo only file. This file will be stored in the
  53 # gdb.base/.debug subdirectory.
  54
  55 if [gdb_gnu_strip_debug $binfile] {
  56     # check that you have a recent version of strip and objcopy installed
  57     unsupported "cannot produce separate debug info files"
  58     return -1
  59 }
  60
  61 gdb_exit
  62 gdb_start
  63 gdb_reinitialize_dir $srcdir/$subdir
  64 gdb_load ${binfile}
  65
  66 if [target_info exists gdb_stub] {
  67     gdb_step_for_stub;
  68 }
  69 #
  70 # test simple breakpoint setting commands
  71 #
  72
  73 # Test deleting all breakpoints when there are none installed,
  74 # GDB should not prompt for confirmation.
  75 # Note that gdb-init.exp provides a "delete_breakpoints" proc
  76 # for general use elsewhere.
  77
  78 send_gdb "delete breakpoints\n"
  79 gdb_expect {
  80      -re "Delete all breakpoints.*$" {
  81             send_gdb "y\n"
  82             gdb_expect {
  83                 -re "$gdb_prompt $" {
  84                     fail "Delete all breakpoints when none (unexpected prompt)"
  85                 }
  86                 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
  87             }
  88         }
  89      -re ".*$gdb_prompt $"       { pass "Delete all breakpoints when none" }
  90     timeout                 { fail "Delete all breakpoints when none (timeout)" }
  91 }
  92
  93 #
  94 # test break at function
  95 #
  96 gdb_test "break main" \
  97     "Breakpoint.*at.* file .*$srcfile, line.*" \
  98     "breakpoint function"
  99
 100 #
 101 # test break at quoted function
 102 #
 103 gdb_test "break \"marker2\"" \
 104     "Breakpoint.*at.* file .*$srcfile, line.*" \
 105     "breakpoint quoted function"
 106
 107 #
 108 # test break at function in file
 109 #
 110 gdb_test "break $srcfile:factorial" \
 111     "Breakpoint.*at.* file .*$srcfile, line.*" \
 112     "breakpoint function in file"
 113
 114 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
 115
 116 #
 117 # test break at line number
 118 #
 119 # Note that the default source file is the last one whose source text
 120 # was printed.  For native debugging, before we've executed the
 121 # program, this is the file containing main, but for remote debugging,
 122 # it's wherever the processor was stopped when we connected to the
 123 # board.  So, to be sure, we do a list command.
 124 #
 125 gdb_test "list main" \
 126     ".*main \\(argc, argv, envp\\).*" \
 127     "use `list' to establish default source file"
 128 gdb_test "break $bp_location1" \
 129     "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
 130     "breakpoint line number"
 131
 132 #
 133 # test duplicate breakpoint
 134 #
 135 gdb_test "break $bp_location1" \
 136     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
 137     "breakpoint duplicate"
 138
 139 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
 140
 141 #
 142 # test break at line number in file
 143 #
 144 gdb_test "break $srcfile:$bp_location2" \
 145     "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
 146     "breakpoint line number in file"
 147
 148 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
 149 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
 150
 151 #
 152 # Test putting a break at the start of a multi-line if conditional.
 153 # Verify the breakpoint was put at the start of the conditional.
 154 #
 155 gdb_test "break multi_line_if_conditional" \
 156     "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
 157     "breakpoint at start of multi line if conditional"
 158
 159 gdb_test "break multi_line_while_conditional" \
 160     "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
 161     "breakpoint at start of multi line while conditional"
 162
 163 set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
 164 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 165
 166 #
 167 # check to see what breakpoints are set
 168 #
 169 if [target_info exists gdb_stub] {
 170     set main_line $bp_location5
 171 } else {
 172     set main_line $bp_location6
 173 }
 174
 175 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
 176 set bp_location8 [gdb_get_line_number "set breakpoint 8 here"]
 177 set bp_location9 [gdb_get_line_number "set breakpoint 9 here"]
 178
 179 gdb_test "info break" \
 180     "Num Type\[ \]+Disp Enb Address\[ \]+What.*
 181 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*
 182 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker2 at .*$srcfile:($bp_location8|$bp_location9).*
 183 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial at .*$srcfile:$bp_location7.*
 184 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 185 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 186 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location2.*
 187 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
 188 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
 189     "breakpoint info"
 190
 191 # FIXME: The rest of this test doesn't work with anything that can't
 192 # handle arguments.
 193 # Huh? There doesn't *appear* to be anything that passes arguments
 194 # below.
 195 if [istarget "mips-idt-*"] then {
 196     return
 197 }
 198
 199 #
 200 # run until the breakpoint at main is hit. For non-stubs-using targets.
 201 #
 202 if ![target_info exists use_gdb_stub] {
 203   if [istarget "*-*-vxworks*"] then {
 204     send_gdb "run vxmain \"2\"\n"
 205     set timeout 120
 206     verbose "Timeout is now $timeout seconds" 2
 207   } else {
 208         send_gdb "run\n"
 209   }
 210   gdb_expect {
 211     -re "The program .* has been started already.*y or n. $" {
 212         send_gdb "y\n"
 213         exp_continue
 214     }
 215     -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $"\
 216                             { pass "run until function breakpoint" }
 217     -re ".*$gdb_prompt $"       { fail "run until function breakpoint" }
 218     timeout                 { fail "run until function breakpoint (timeout)" }
 219   }
 220 } else {
 221     if ![target_info exists gdb_stub] {
 222         gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.*\{.*" "stub continue"
 223     }
 224 }
 225
 226 #
 227 # run until the breakpoint at a line number
 228 #
 229 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
 230                         "run until breakpoint set at a line number"
 231
 232 #
 233 # Run until the breakpoint set in a function in a file
 234 #
 235 for {set i 6} {$i >= 1} {incr i -1} {
 236         gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
 237                         "run until file:function($i) breakpoint"
 238 }
 239
 240 #
 241 # Run until the breakpoint set at a quoted function
 242 #
 243 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile:($bp_location8|$bp_location9).*" \
 244                 "run until quoted breakpoint"
 245 #
 246 # run until the file:function breakpoint at a line number in a file
 247 #
 248 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
 249                 "run until file:linenum breakpoint"
 250
 251 # Test break at offset +1
 252 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
 253
 254 gdb_test "break +1" \
 255     "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
 256     "breakpoint offset +1"
 257
 258 # Check to see if breakpoint is hit when stepped onto
 259
 260 gdb_test "step" \
 261     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
 262     "step onto breakpoint"
 263
 264 #
 265 # delete all breakpoints so we can start over, course this can be a test too
 266 #
 267 delete_breakpoints
 268
 269 #
 270 # test temporary breakpoint at function
 271 #
 272
 273 gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 274
 275 #
 276 # test break at function in file
 277 #
 278
 279 gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \
 280         "Temporary breakpoint function in file"
 281
 282 #
 283 # test break at line number
 284 #
 285 send_gdb "tbreak $bp_location1\n"
 286 gdb_expect {
 287     -re "Breakpoint.*at.* file .*$srcfile, line $bp_location1.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
 288         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number #1" }
 289         timeout     { fail "breakpoint line number #1 (timeout)" }
 290 }
 291
 292 gdb_test "tbreak $bp_location6" "Breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"
 293
 294 #
 295 # test break at line number in file
 296 #
 297 send_gdb "tbreak $srcfile:$bp_location2\n"
 298 gdb_expect {
 299     -re "Breakpoint.*at.* file .*$srcfile, line $bp_location2.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
 300         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number in file #1" }
 301         timeout     { fail "Temporary breakpoint line number in file #1 (timeout)" }
 302 }
 303
 304 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
 305 gdb_test  "tbreak $srcfile:$bp_location11" "Breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
 306
 307 #
 308 # check to see what breakpoints are set (temporary this time)
 309 #
 310 gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
 311 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
 312 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial at .*$srcfile:$bp_location7.*\[\r\n\]
 313 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
 314 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
 315 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
 316 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location11.*" \
 317     "Temporary breakpoint info"
 318
 319
 320 #***********
 321
 322 # Verify that catchpoints for fork, vfork and exec don't trigger
 323 # inappropriately.  (There are no calls to those system functions
 324 # in this test program.)
 325 #
 326 if ![runto_main] then { fail "break tests suppressed" }
 327
 328 send_gdb "catch\n"
 329 gdb_expect {
 330   -re "Catch requires an event name.*$gdb_prompt $"\
 331           {pass "catch requires an event name"}
 332   -re "$gdb_prompt $"\
 333           {fail "catch requires an event name"}
 334   timeout {fail "(timeout) catch requires an event name"}
 335 }
 336
 337
 338 set name "set catch fork, never expected to trigger"
 339 send_gdb "catch fork\n"
 340 gdb_expect {
 341   -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
 342           {pass $name}
 343   -re "Catch of fork not yet implemented.*$gdb_prompt $"
 344           {pass $name}
 345   -re "$gdb_prompt $"
 346           {fail $name}
 347   timeout {fail "(timeout) $name"}
 348 }
 349
 350
 351 set name "set catch vfork, never expected to trigger"
 352 send_gdb "catch vfork\n"
 353
 354 # If we are on HP-UX 10.20, we expect an error message to be
 355 # printed if we type "catch vfork" at the gdb gdb_prompt.  This is
 356 # because on HP-UX 10.20, we cannot catch vfork events.
 357
 358 if [istarget "hppa*-hp-hpux10.20"] then {
 359     gdb_expect {
 360         -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
 361                 {pass $name}
 362         -re "$gdb_prompt $"
 363                 {fail $name}
 364         timeout {fail "(timeout) $name"}
 365     }
 366 } else {
 367     gdb_expect {
 368         -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
 369                 {pass $name}
 370         -re "Catch of vfork not yet implemented.*$gdb_prompt $"
 371                 {pass $name}
 372         -re "$gdb_prompt $"
 373                 {fail $name}
 374         timeout {fail "(timeout) $name"}
 375     }
 376 }
 377
 378 set name "set catch exec, never expected to trigger"
 379 send_gdb "catch exec\n"
 380 gdb_expect {
 381   -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
 382           {pass $name}
 383   -re "Catch of exec not yet implemented.*$gdb_prompt $"
 384           {pass $name}
 385   -re "$gdb_prompt $" {fail $name}
 386   timeout {fail "(timeout) $name"}
 387 }
 388
 389 # Verify that GDB responds gracefully when asked to set a breakpoint
 390 # on a nonexistent source line.
 391 #
 392 send_gdb "break 999\n"
 393 gdb_expect {
 394   -re "No line 999 in file .*$gdb_prompt $"\
 395           {pass "break on non-existent source line"}
 396   -re "$gdb_prompt $"\
 397           {fail "break on non-existent source line"}
 398   timeout {fail "(timeout) break on non-existent source line"}
 399 }
 400
 401 # Run to the desired default location. If not positioned here, the
 402 # tests below don't work.
 403 #
 404 gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1"
 405
 406
 407 # Verify that GDB allows one to just say "break", which is treated
 408 # as the "default" breakpoint.  Note that GDB gets cute when printing
 409 # the informational message about other breakpoints at the same
 410 # location.  We'll hit that bird with this stone too.
 411 #
 412 send_gdb "break\n"
 413 gdb_expect {
 414   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 415           {pass "break on default location, 1st time"}
 416   -re "$gdb_prompt $"\
 417           {fail "break on default location, 1st time"}
 418   timeout {fail "(timeout) break on default location, 1st time"}
 419 }
 420
 421 send_gdb "break\n"
 422 gdb_expect {
 423   -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 424           {pass "break on default location, 2nd time"}
 425   -re "$gdb_prompt $"\
 426           {fail "break on default location, 2nd time"}
 427   timeout {fail "(timeout) break on default location, 2nd time"}
 428 }
 429
 430 send_gdb "break\n"
 431 gdb_expect {
 432   -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 433           {pass "break on default location, 3rd time"}
 434   -re "$gdb_prompt $"\
 435           {fail "break on default location, 3rd time"}
 436   timeout {fail "(timeout) break on default location, 3rd time"}
 437 }
 438
 439 send_gdb "break\n"
 440 gdb_expect {
 441   -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 442           {pass "break on default location, 4th time"}
 443   -re "$gdb_prompt $"\
 444           {fail "break on default location, 4th time"}
 445   timeout {fail "(timeout) break on default location, 4th time"}
 446 }
 447
 448 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
 449 # "silent" about its triggering.
 450 #
 451 if ![runto_main] then { fail "break tests suppressed" }
 452
 453 send_gdb "break $bp_location1\n"
 454 gdb_expect {
 455   -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $"\
 456           {pass "set to-be-silent break bp_location1"}
 457   -re "$gdb_prompt $"\
 458           {fail "set to-be-silent break bp_location1"}
 459   timeout {fail "(timeout) set to-be-silent break bp_location1"}
 460 }
 461
 462 send_gdb "commands $expect_out(1,string)\n"
 463 send_gdb "silent\n"
 464 send_gdb "end\n"
 465 gdb_expect {
 466   -re ".*$gdb_prompt $"\
 467           {pass "set silent break bp_location1"}
 468   timeout {fail "(timeout) set silent break bp_location1"}
 469 }
 470
 471 send_gdb "info break $expect_out(1,string)\n"
 472 gdb_expect {
 473   -re "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*$gdb_prompt $"\
 474           {pass "info silent break bp_location1"}
 475   -re "$gdb_prompt $"\
 476           {fail "info silent break bp_location1"}
 477   timeout {fail "(timeout) info silent break bp_location1"}
 478 }
 479 send_gdb "continue\n"
 480 gdb_expect {
 481   -re "Continuing.\r\n$gdb_prompt $"\
 482           {pass "hit silent break bp_location1"}
 483   -re "$gdb_prompt $"\
 484           {fail "hit silent break bp_location1"}
 485   timeout {fail "(timeout) hit silent break bp_location1"}
 486 }
 487 send_gdb "bt\n"
 488 gdb_expect {
 489   -re "#0  main .* at .*:$bp_location1.*$gdb_prompt $"\
 490           {pass "stopped for silent break bp_location1"}
 491   -re "$gdb_prompt $"\
 492           {fail "stopped for silent break bp_location1"}
 493   timeout {fail "(timeout) stopped for silent break bp_location1"}
 494 }
 495
 496 # Verify that GDB can at least parse a breakpoint with the
 497 # "thread" keyword.  (We won't attempt to test here that a
 498 # thread-specific breakpoint really triggers appropriately.
 499 # The gdb.threads subdirectory contains tests for that.)
 500 #
 501 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
 502 send_gdb "break $bp_location12 thread 999\n"
 503 gdb_expect {
 504   -re "Unknown thread 999.*$gdb_prompt $"\
 505           {pass "thread-specific breakpoint on non-existent thread disallowed"}
 506   -re "$gdb_prompt $"\
 507           {fail "thread-specific breakpoint on non-existent thread disallowed"}
 508   timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
 509 }
 510 send_gdb "break $bp_location12 thread foo\n"
 511 gdb_expect {
 512   -re "Junk after thread keyword..*$gdb_prompt $"\
 513           {pass "thread-specific breakpoint on bogus thread ID disallowed"}
 514   -re "$gdb_prompt $"\
 515           {fail "thread-specific breakpoint on bogus thread ID disallowed"}
 516   timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
 517 }
 518
 519 # Verify that GDB responds gracefully to a breakpoint command with
 520 # trailing garbage.
 521 #
 522 send_gdb "break $bp_location12 foo\n"
 523 gdb_expect {
 524   -re "Junk at end of arguments..*$gdb_prompt $"\
 525           {pass "breakpoint with trailing garbage disallowed"}
 526   -re "$gdb_prompt $"\
 527           {fail "breakpoint with trailing garbage disallowed"}
 528   timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}
 529 }
 530
 531 # Verify that GDB responds gracefully to a "clear" command that has
 532 # no matching breakpoint.  (First, get us off the current source line,
 533 # which we know has a breakpoint.)
 534 #
 535 send_gdb "next\n"
 536 gdb_expect {
 537   -re ".*$gdb_prompt $"\
 538           {pass "step over breakpoint"}
 539   timeout {fail "(timeout) step over breakpoint"}
 540 }
 541 send_gdb "clear 81\n"
 542 gdb_expect {
 543   -re "No breakpoint at 81..*$gdb_prompt $"\
 544           {pass "clear line has no breakpoint disallowed"}
 545   -re "$gdb_prompt $"\
 546           {fail "clear line has no breakpoint disallowed"}
 547   timeout {fail "(timeout) clear line has no breakpoint disallowed"}
 548 }
 549 send_gdb "clear\n"
 550 gdb_expect {
 551   -re "No breakpoint at this line..*$gdb_prompt $"\
 552           {pass "clear current line has no breakpoint disallowed"}
 553   -re "$gdb_prompt $"\
 554           {fail "clear current line has no breakpoint disallowed"}
 555   timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
 556 }
 557
 558 # Verify that we can set and clear multiple breakpoints.
 559 #
 560 # We don't test that it deletes the correct breakpoints.  We do at
 561 # least test that it deletes more than one breakpoint.
 562 #
 563 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
 564 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
 565 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
 566
 567 # Verify that a breakpoint can be set via a convenience variable.
 568 #
 569 send_gdb "set \$foo=$bp_location11\n"
 570 gdb_expect {
 571   -re "$gdb_prompt $"\
 572           {pass "set convenience variable \$foo to bp_location11"}
 573   timeout {fail "(timeout) set convenience variable \$foo to bp_location11"}
 574 }
 575 send_gdb "break \$foo\n"
 576 gdb_expect {
 577   -re "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*$gdb_prompt $"\
 578           {pass "set breakpoint via convenience variable"}
 579   -re "$gdb_prompt $"\
 580           {fail "set breakpoint via convenience variable"}
 581   timeout {fail "(timeout) set breakpoint via convenience variable"}
 582 }
 583
 584 # Verify that GDB responds gracefully to an attempt to set a
 585 # breakpoint via a convenience variable whose type is not integer.
 586 #
 587 send_gdb "set \$foo=81.5\n"
 588 gdb_expect {
 589   -re "$gdb_prompt $"\
 590           {pass "set convenience variable \$foo to 81.5"}
 591   timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
 592 }
 593 send_gdb "break \$foo\n"
 594 gdb_expect {
 595   -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\
 596           {pass "set breakpoint via non-integer convenience variable disallowed"}
 597   -re "$gdb_prompt $"\
 598           {fail "set breakpoint via non-integer convenience variable disallowed"}
 599   timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}
 600 }
 601
 602 # Verify that we can set and trigger a breakpoint in a user-called function.
 603 #
 604 send_gdb "break marker2\n"
 605 gdb_expect {
 606     -re "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*$gdb_prompt $"\
 607           {pass "set breakpoint on to-be-called function"}
 608   -re "$gdb_prompt $"\
 609           {fail "set breakpoint on to-be-called function"}
 610   timeout {fail "(timeout) set breakpoint on to-be-called function"}
 611 }
 612 send_gdb "print marker2(99)\n"
 613 gdb_expect {
 614   -re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\
 615           {pass "hit breakpoint on called function"}
 616   -re "$gdb_prompt $"\
 617           {fail "hit breakpoint on called function"}
 618   timeout {fail "(timeout) hit breakpoint on called function"}
 619 }
 620
 621 # As long as we're stopped (breakpointed) in a called function,
 622 # verify that we can successfully backtrace & such from here.
 623 #
 624 # In this and the following test, the _sr4export check apparently is needed
 625 # for hppa*-*-hpux.
 626 #
 627 send_gdb "bt\n"
 628 gdb_expect {
 629     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $"\
 630             {pass "backtrace while in called function"}
 631     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $"\
 632             {pass "backtrace while in called function"}
 633     -re "$gdb_prompt $"\
 634             {fail "backtrace while in called function"}
 635     timeout {fail "(timeout) backtrace while in called function"}
 636 }
 637
 638 # Return from the called function.  For remote targets, it's important to do
 639 # this before runto_main, which otherwise may silently stop on the dummy
 640 # breakpoint inserted by GDB at the program's entry point.
 641 #
 642 send_gdb "finish\n"
 643 gdb_expect {
 644     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $"\
 645             {pass "finish from called function"}
 646     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $"\
 647             {pass "finish from called function"}
 648     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $"\
 649             {pass "finish from called function"}
 650     -re "$gdb_prompt $"\
 651             {fail "finish from called function"}
 652     timeout {fail "(timeout) finish from called function"}
 653 }
 654
 655 # Verify that GDB responds gracefully to a "finish" command with
 656 # arguments.
 657 #
 658 if ![runto_main] then { fail "break tests suppressed" }
 659
 660 send_gdb "finish 123\n"
 661 gdb_expect {
 662   -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
 663           {pass "finish with arguments disallowed"}
 664   -re "$gdb_prompt $"\
 665           {fail "finish with arguments disallowed"}
 666   timeout {fail "(timeout) finish with arguments disallowed"}
 667 }
 668
 669 # Verify that GDB responds gracefully to a request to "finish" from
 670 # the outermost frame.  On a stub that never exits, this will just
 671 # run to the stubs routine, so we don't get this error...  Thus the
 672 # second condition.
 673 #
 674
 675 send_gdb "finish\n"
 676 gdb_expect {
 677   -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
 678           {pass "finish from outermost frame disallowed"}
 679   -re "Run till exit from.*\r\n$gdb_prompt $" {
 680      pass "finish from outermost frame disallowed"
 681   }
 682   -re "$gdb_prompt $"\
 683           {fail "finish from outermost frame disallowed"}
 684   timeout {fail "(timeout) finish from outermost frame disallowed"}
 685 }
 686
 687 # Verify that we can explicitly ask GDB to stop on all shared library
 688 # events, and that it does so.
 689 #
 690 if [istarget "hppa*-*-hpux*"] then {
 691   if ![runto_main] then { fail "break tests suppressed" }
 692
 693   send_gdb "set stop-on-solib-events 1\n"
 694   gdb_expect {
 695     -re "$gdb_prompt $"\
 696             {pass "set stop-on-solib-events"}
 697     timeout {fail "(timeout) set stop-on-solib-events"}
 698   }
 699
 700   send_gdb "run\n"
 701   gdb_expect {
 702     -re ".*Start it from the beginning.*y or n. $"\
 703             {send_gdb "y\n"
 704              gdb_expect {
 705                -re ".*Stopped due to shared library event.*$gdb_prompt $"\
 706                        {pass "triggered stop-on-solib-events"}
 707                -re "$gdb_prompt $"\
 708                        {fail "triggered stop-on-solib-events"}
 709                timeout {fail "(timeout) triggered stop-on-solib-events"}
 710              }
 711             }
 712     -re "$gdb_prompt $"\
 713             {fail "rerun for stop-on-solib-events"}
 714     timeout {fail "(timeout) rerun for stop-on-solib-events"}
 715   }
 716
 717   send_gdb "set stop-on-solib-events 0\n"
 718   gdb_expect {
 719     -re "$gdb_prompt $"\
 720             {pass "reset stop-on-solib-events"}
 721     timeout {fail "(timeout) reset stop-on-solib-events"}
 722   }
 723 }
 724
 725 # Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
 726 # gracefully responds to requests to create them.
 727 #
 728 if [istarget "hppa*-*-hpux*"] then {
 729   if ![runto_main] then { fail "break tests suppressed" }
 730
 731   send_gdb "hbreak\n"
 732   gdb_expect {
 733     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 734             {pass "hw breaks disallowed"}
 735     -re "$gdb_prompt $"\
 736             {fail "hw breaks disallowed"}
 737     timeout {fail "(timeout) hw breaks disallowed"}
 738   }
 739
 740   send_gdb "thbreak\n"
 741   gdb_expect {
 742     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 743             {pass "temporary hw breaks disallowed"}
 744     -re "$gdb_prompt $"\
 745             {fail "temporary hw breaks disallowed"}
 746     timeout {fail "(timeout) temporary hw breaks disallowed"}
 747   }
 748 }
 749
 750 #********
 751
 752
 753 #
 754 # Test "next" over recursive function call.
 755 #
 756
 757 proc test_next_with_recursion {} {
 758     global gdb_prompt
 759     global decimal
 760     global binfile
 761
 762     if [target_info exists use_gdb_stub] {
 763         # Reload the program.
 764         delete_breakpoints
 765         gdb_load ${binfile};
 766     } else {
 767         # FIXME: should be using runto
 768         gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
 769
 770         delete_breakpoints
 771     }
 772
 773     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 774
 775     # Run until we call factorial with 6
 776
 777     if [istarget "*-*-vxworks*"] then {
 778         send_gdb "run vxmain \"6\"\n"
 779     } else {
 780         gdb_run_cmd
 781     }
 782     gdb_expect {
 783         -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
 784         -re ".*$gdb_prompt $" {
 785             fail "run to factorial(6)";
 786             gdb_suppress_tests;
 787         }
 788         timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
 789     }
 790
 791     # Continue until we call factorial recursively with 5.
 792
 793     if [gdb_test "continue" \
 794         "Continuing.*Break.* factorial .value=5. .*" \
 795         "continue to factorial(5)"] then { gdb_suppress_tests }
 796
 797     # Do a backtrace just to confirm how many levels deep we are.
 798
 799     if [gdb_test "backtrace" \
 800         "#0\[ \t\]+ factorial .value=5..*" \
 801         "backtrace from factorial(5)"] then { gdb_suppress_tests }
 802
 803     # Now a "next" should position us at the recursive call, which
 804     # we will be performing with 4.
 805
 806     if [gdb_test "next" \
 807         ".* factorial .value - 1.;.*" \
 808         "next to recursive call"] then { gdb_suppress_tests }
 809
 810     # Disable the breakpoint at the entry to factorial by deleting them all.
 811     # The "next" should run until we return to the next line from this
 812     # recursive call to factorial with 4.
 813     # Buggy versions of gdb will stop instead at the innermost frame on
 814     # the line where we are trying to "next" to.
 815
 816     delete_breakpoints
 817
 818     if [istarget "mips*tx39-*"] {
 819         set timeout 60
 820     }
 821     # We used to set timeout here for all other targets as well.  This
 822     # is almost certainly wrong.  The proper timeout depends on the
 823     # target system in use, and how we communicate with it, so there
 824     # is no single value appropriate for all targets.  The timeout
 825     # should be established by the Dejagnu config file(s) for the
 826     # board, and respected by the test suite.
 827     #
 828     # For example, if I'm running GDB over an SSH tunnel talking to a
 829     # portmaster in California talking to an ancient 68k board running
 830     # a crummy ROM monitor (a situation I can only wish were
 831     # hypothetical), then I need a large timeout.  But that's not the
 832     # kind of knowledge that belongs in this file.
 833
 834     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 835             "next over recursive call"
 836
 837     # OK, we should be back in the same stack frame we started from.
 838     # Do a backtrace just to confirm.
 839
 840     set result [gdb_test "backtrace" \
 841             "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 842             "backtrace from factorial(5.1)"]
 843     if { $result != 0 } { gdb_suppress_tests }
 844
 845     if [target_info exists gdb,noresults] { gdb_suppress_tests }
 846   gdb_continue_to_end "recursive next test"
 847    gdb_stop_suppressing_tests;
 848 }
 849
 850 test_next_with_recursion
 851
 852
 853 #********
 854
 855 # now move the .debug file to a different location so that we can test
 856 # the "set debug-file-directory" command.
 857
 858 remote_exec build "mv ${objdir}/${subdir}/.debug/${testfile}.debug ${objdir}/${subdir}"
 859 gdb_exit
 860 gdb_start
 861 gdb_reinitialize_dir $srcdir/$subdir
 862 gdb_test "set debug-file-directory ${objdir}/${subdir}" ".*" "set separate debug location"
 863 gdb_load ${binfile}
 864
 865 if [target_info exists gdb_stub] {
 866     gdb_step_for_stub;
 867 }
 868
 869 #
 870 # test break at function
 871 #
 872 gdb_test "break main" \
 873     "Breakpoint.*at.* file .*$srcfile, line.*" \
 874     "breakpoint function, optimized file"
 875
 876 #
 877 # test break at function
 878 #
 879 gdb_test "break marker4" \
 880     "Breakpoint.*at.* file .*$srcfile, line.*" \
 881     "breakpoint small function, optimized file"
 882
 883 #
 884 # run until the breakpoint at main is hit. For non-stubs-using targets.
 885 #
 886 if ![target_info exists use_gdb_stub] {
 887   if [istarget "*-*-vxworks*"] then {
 888     send_gdb "run vxmain \"2\"\n"
 889     set timeout 120
 890     verbose "Timeout is now $timeout seconds" 2
 891   } else {
 892         send_gdb "run\n"
 893   }
 894   gdb_expect {
 895     -re "The program .* has been started already.*y or n. $" {
 896         send_gdb "y\n"
 897         exp_continue
 898     }
 899     -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $"\
 900                             { pass "run until function breakpoint, optimized file" }
 901     -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $"\
 902                             { pass "run until function breakpoint, optimized file (code motion)" }
 903     -re ".*$gdb_prompt $"       { fail "run until function breakpoint, optimized file" }
 904     timeout                 { fail "run until function breakpoint, optimized file (timeout)" }
 905   }
 906 } else {
 907     if ![target_info exists gdb_stub] {
 908         gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.*\{.*" "stub continue, optimized file"
 909     }
 910 }
 911
 912 #
 913 # run until the breakpoint at a small function
 914 #
 915
 916 #
 917 # Add a second pass pattern.  The behavior differs here between stabs
 918 # and dwarf for one-line functions.  Stabs preserves two line symbols
 919 # (one before the prologue and one after) with the same line number,
 920 # but dwarf regards these as duplicates and discards one of them.
 921 # Therefore the address after the prologue (where the breakpoint is)
 922 # has no exactly matching line symbol, and GDB reports the breakpoint
 923 # as if it were in the middle of a line rather than at the beginning.
 924
 925 set bp_location13 [gdb_get_line_number "set breakpoint 13 here"]
 926 set bp_location14 [gdb_get_line_number "set breakpoint 14 here"]
 927 send_gdb "continue\n"
 928 gdb_expect {
 929     -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 930         pass "run until breakpoint set at small function, optimized file"
 931     }
 932     -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 933         pass "run until breakpoint set at small function, optimized file"
 934     }
 935     -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
 936         # marker4() is defined at line 46 when compiled with -DPROTOTYPES
 937         pass "run until breakpoint set at small function, optimized file (line bp_location14)"
 938     }
 939     -re ".*$gdb_prompt " {
 940         fail "run until breakpoint set at small function, optimized file"
 941     }
 942     timeout {
 943         fail "run until breakpoint set at small function, optimized file (timeout)"
 944     }
 945 }
 946
 947
 948 # Reset the default arguments for VxWorks
 949 if [istarget "*-*-vxworks*"] {
 950     set timeout 10
 951     verbose "Timeout is now $timeout seconds" 2
 952     send_gdb "set args main\n"
 953     gdb_expect -re ".*$gdb_prompt $" {}
 954 }