gdb/testsuite/gdb.base/break.exp

   1 #   Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
   2 #   2000, 2002, 2003
   3 #   Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19 # Please email any bugs, comments, and/or additions to this file to:
  20 # bug-gdb@prep.ai.mit.edu
  21
  22 # This file was written by Rob Savoye. (rob@cygnus.com)
  23
  24 if $tracelevel then {
  25     strace $tracelevel
  26 }
  27
  28
  29 #
  30 # test running programs
  31 #
  32 set prms_id 0
  33 set bug_id 0
  34
  35 set testfile "break"
  36 set srcfile ${testfile}.c
  37 set srcfile1 ${testfile}1.c
  38 set binfile ${objdir}/${subdir}/${testfile}
  39
  40 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object {debug nowarnings}] != "" } {
  41      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  42 }
  43
  44 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object {debug nowarnings}] != "" } {
  45      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  46 }
  47
  48 if  { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug nowarnings}] != "" } {
  49      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  50 }
  51
  52 if [get_compiler_info ${binfile}] {
  53     return -1
  54 }
  55
  56 gdb_exit
  57 gdb_start
  58 gdb_reinitialize_dir $srcdir/$subdir
  59 gdb_load ${binfile}
  60
  61 if [target_info exists gdb_stub] {
  62     gdb_step_for_stub;
  63 }
  64 #
  65 # test simple breakpoint setting commands
  66 #
  67
  68 # Test deleting all breakpoints when there are none installed,
  69 # GDB should not prompt for confirmation.
  70 # Note that lib/gdb.exp provides a "delete_breakpoints" proc
  71 # for general use elsewhere.
  72
  73 send_gdb "delete breakpoints\n"
  74 gdb_expect {
  75      -re "Delete all breakpoints.*$" {
  76             send_gdb "y\n"
  77             gdb_expect {
  78                 -re "$gdb_prompt $" {
  79                     fail "Delete all breakpoints when none (unexpected prompt)"
  80                 }
  81                 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
  82             }
  83         }
  84      -re ".*$gdb_prompt $"       { pass "Delete all breakpoints when none" }
  85     timeout                 { fail "Delete all breakpoints when none (timeout)" }
  86 }
  87
  88 #
  89 # test break at function
  90 #
  91 gdb_test "break main" \
  92     "Breakpoint.*at.* file .*$srcfile, line.*" \
  93     "breakpoint function"
  94
  95 #
  96 # test break at quoted function
  97 #
  98 gdb_test "break \"marker2\"" \
  99     "Breakpoint.*at.* file .*$srcfile1, line.*" \
 100     "breakpoint quoted function"
 101
 102 #
 103 # test break at function in file
 104 #
 105 gdb_test "break $srcfile:factorial" \
 106     "Breakpoint.*at.* file .*$srcfile, line.*" \
 107     "breakpoint function in file"
 108
 109 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
 110
 111 #
 112 # test break at line number
 113 #
 114 # Note that the default source file is the last one whose source text
 115 # was printed.  For native debugging, before we've executed the
 116 # program, this is the file containing main, but for remote debugging,
 117 # it's wherever the processor was stopped when we connected to the
 118 # board.  So, to be sure, we do a list command.
 119 #
 120 gdb_test "list main" \
 121     ".*main \\(argc, argv, envp\\).*" \
 122     "use `list' to establish default source file"
 123 gdb_test "break $bp_location1" \
 124     "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
 125     "breakpoint line number"
 126
 127 #
 128 # test duplicate breakpoint
 129 #
 130 gdb_test "break $bp_location1" \
 131     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
 132     "breakpoint duplicate"
 133
 134 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
 135
 136 #
 137 # test break at line number in file
 138 #
 139 gdb_test "break $srcfile:$bp_location2" \
 140     "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
 141     "breakpoint line number in file"
 142
 143 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
 144 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
 145
 146 #
 147 # Test putting a break at the start of a multi-line if conditional.
 148 # Verify the breakpoint was put at the start of the conditional.
 149 #
 150 gdb_test "break multi_line_if_conditional" \
 151     "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
 152     "breakpoint at start of multi line if conditional"
 153
 154 gdb_test "break multi_line_while_conditional" \
 155     "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
 156     "breakpoint at start of multi line while conditional"
 157
 158 set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
 159 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 160
 161 #
 162 # check to see what breakpoints are set
 163 #
 164 if [target_info exists gdb_stub] {
 165     set main_line $bp_location5
 166 } else {
 167     set main_line $bp_location6
 168 }
 169
 170 if {$hp_aCC_compiler} {
 171     set proto "\\(int\\)"
 172 } else {
 173     set proto ""
 174 }
 175
 176 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
 177 set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
 178 set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]
 179
 180 gdb_test "info break" \
 181     "Num Type\[ \]+Disp Enb Address\[ \]+What.*
 182 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*
 183 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker2 at .*$srcfile1:($bp_location8|$bp_location9).*
 184 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial$proto at .*$srcfile:$bp_location7.*
 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_location1.*
 187 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location2.*
 188 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
 189 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
 190     "breakpoint info"
 191
 192 # FIXME: The rest of this test doesn't work with anything that can't
 193 # handle arguments.
 194 # Huh? There doesn't *appear* to be anything that passes arguments
 195 # below.
 196 if [istarget "mips-idt-*"] then {
 197     return
 198 }
 199
 200 #
 201 # run until the breakpoint at main is hit. For non-stubs-using targets.
 202 #
 203 if ![target_info exists use_gdb_stub] {
 204   if [istarget "*-*-vxworks*"] then {
 205     send_gdb "run vxmain \"2\"\n"
 206     set timeout 120
 207     verbose "Timeout is now $timeout seconds" 2
 208   } else {
 209         send_gdb "run\n"
 210   }
 211   gdb_expect {
 212     -re "The program .* has been started already.*y or n. $" {
 213         send_gdb "y\n"
 214         exp_continue
 215     }
 216     -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $"\
 217                             { pass "run until function breakpoint" }
 218     -re ".*$gdb_prompt $"       { fail "run until function breakpoint" }
 219     timeout                 { fail "run until function breakpoint (timeout)" }
 220   }
 221 } else {
 222     if ![target_info exists gdb_stub] {
 223         gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.*\{.*" "stub continue"
 224     }
 225 }
 226
 227 #
 228 # run until the breakpoint at a line number
 229 #
 230 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
 231                         "run until breakpoint set at a line number"
 232
 233 #
 234 # Run until the breakpoint set in a function in a file
 235 #
 236 for {set i 6} {$i >= 1} {incr i -1} {
 237         gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
 238                         "run until file:function($i) breakpoint"
 239 }
 240
 241 #
 242 # Run until the breakpoint set at a quoted function
 243 #
 244 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:($bp_location8|$bp_location9).*" \
 245                 "run until quoted breakpoint"
 246 #
 247 # run until the file:function breakpoint at a line number in a file
 248 #
 249 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
 250                 "run until file:linenum breakpoint"
 251
 252 # Test break at offset +1
 253 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
 254
 255 gdb_test "break +1" \
 256     "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
 257     "breakpoint offset +1"
 258
 259 # Check to see if breakpoint is hit when stepped onto
 260
 261 gdb_test "step" \
 262     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
 263     "step onto breakpoint"
 264
 265 # Check to see if breakpoint can be set on ending brace of function
 266 set bp_location10a [gdb_get_line_number "set breakpoint 10a here"]
 267
 268 gdb_test "break $bp_location10a" \
 269     "Breakpoint.*at.* file .*$srcfile, line $bp_location10a\\." \
 270     "setting breakpoint at }"
 271
 272 gdb_test "continue" \
 273     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10a.*$bp_location10a\[\t \]+}.*breakpoint 10a here.*" \
 274     "continue to breakpoint at }"
 275
 276 #
 277 # delete all breakpoints so we can start over, course this can be a test too
 278 #
 279 delete_breakpoints
 280
 281 #
 282 # test temporary breakpoint at function
 283 #
 284
 285 gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 286
 287 #
 288 # test break at function in file
 289 #
 290
 291 gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \
 292         "Temporary breakpoint function in file"
 293
 294 #
 295 # test break at line number
 296 #
 297 send_gdb "tbreak $bp_location1\n"
 298 gdb_expect {
 299     -re "Breakpoint.*at.* file .*$srcfile, line $bp_location1.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
 300         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number #1" }
 301         timeout     { fail "breakpoint line number #1 (timeout)" }
 302 }
 303
 304 gdb_test "tbreak $bp_location6" "Breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"
 305
 306 #
 307 # test break at line number in file
 308 #
 309 send_gdb "tbreak $srcfile:$bp_location2\n"
 310 gdb_expect {
 311     -re "Breakpoint.*at.* file .*$srcfile, line $bp_location2.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
 312         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number in file #1" }
 313         timeout     { fail "Temporary breakpoint line number in file #1 (timeout)" }
 314 }
 315
 316 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
 317 gdb_test  "tbreak $srcfile:$bp_location11" "Breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
 318
 319 #
 320 # check to see what breakpoints are set (temporary this time)
 321 #
 322 gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
 323 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
 324 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial$proto at .*$srcfile:$bp_location7.*\[\r\n\]
 325 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
 326 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
 327 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
 328 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location11.*" \
 329     "Temporary breakpoint info"
 330
 331
 332 #***********
 333
 334 # Verify that catchpoints for fork, vfork and exec don't trigger
 335 # inappropriately.  (There are no calls to those system functions
 336 # in this test program.)
 337 #
 338 if ![runto_main] then { fail "break tests suppressed" }
 339
 340 send_gdb "catch\n"
 341 gdb_expect {
 342   -re "Catch requires an event name.*$gdb_prompt $"\
 343           {pass "catch requires an event name"}
 344   -re "$gdb_prompt $"\
 345           {fail "catch requires an event name"}
 346   timeout {fail "(timeout) catch requires an event name"}
 347 }
 348
 349
 350 set name "set catch fork, never expected to trigger"
 351 send_gdb "catch fork\n"
 352 gdb_expect {
 353   -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
 354           {pass $name}
 355   -re "Catch of fork not yet implemented.*$gdb_prompt $"
 356           {pass $name}
 357   -re "$gdb_prompt $"
 358           {fail $name}
 359   timeout {fail "(timeout) $name"}
 360 }
 361
 362
 363 set name "set catch vfork, never expected to trigger"
 364 send_gdb "catch vfork\n"
 365
 366 # If we are on HP-UX 10.20, we expect an error message to be
 367 # printed if we type "catch vfork" at the gdb gdb_prompt.  This is
 368 # because on HP-UX 10.20, we cannot catch vfork events.
 369
 370 if [istarget "hppa*-hp-hpux10.20"] then {
 371     gdb_expect {
 372         -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
 373                 {pass $name}
 374         -re "$gdb_prompt $"
 375                 {fail $name}
 376         timeout {fail "(timeout) $name"}
 377     }
 378 } else {
 379     gdb_expect {
 380         -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
 381                 {pass $name}
 382         -re "Catch of vfork not yet implemented.*$gdb_prompt $"
 383                 {pass $name}
 384         -re "$gdb_prompt $"
 385                 {fail $name}
 386         timeout {fail "(timeout) $name"}
 387     }
 388 }
 389
 390 set name "set catch exec, never expected to trigger"
 391 send_gdb "catch exec\n"
 392 gdb_expect {
 393   -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
 394           {pass $name}
 395   -re "Catch of exec not yet implemented.*$gdb_prompt $"
 396           {pass $name}
 397   -re "$gdb_prompt $" {fail $name}
 398   timeout {fail "(timeout) $name"}
 399 }
 400
 401 # Verify that GDB responds gracefully when asked to set a breakpoint
 402 # on a nonexistent source line.
 403 #
 404 send_gdb "break 999\n"
 405 gdb_expect {
 406   -re "No line 999 in file .*$gdb_prompt $"\
 407           {pass "break on non-existent source line"}
 408   -re "$gdb_prompt $"\
 409           {fail "break on non-existent source line"}
 410   timeout {fail "(timeout) break on non-existent source line"}
 411 }
 412
 413 # Run to the desired default location. If not positioned here, the
 414 # tests below don't work.
 415 #
 416 gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1"
 417
 418
 419 # Verify that GDB allows one to just say "break", which is treated
 420 # as the "default" breakpoint.  Note that GDB gets cute when printing
 421 # the informational message about other breakpoints at the same
 422 # location.  We'll hit that bird with this stone too.
 423 #
 424 send_gdb "break\n"
 425 gdb_expect {
 426   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 427           {pass "break on default location, 1st time"}
 428   -re "$gdb_prompt $"\
 429           {fail "break on default location, 1st time"}
 430   timeout {fail "(timeout) break on default location, 1st time"}
 431 }
 432
 433 send_gdb "break\n"
 434 gdb_expect {
 435   -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 436           {pass "break on default location, 2nd time"}
 437   -re "$gdb_prompt $"\
 438           {fail "break on default location, 2nd time"}
 439   timeout {fail "(timeout) break on default location, 2nd time"}
 440 }
 441
 442 send_gdb "break\n"
 443 gdb_expect {
 444   -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 445           {pass "break on default location, 3rd time"}
 446   -re "$gdb_prompt $"\
 447           {fail "break on default location, 3rd time"}
 448   timeout {fail "(timeout) break on default location, 3rd time"}
 449 }
 450
 451 send_gdb "break\n"
 452 gdb_expect {
 453   -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 454           {pass "break on default location, 4th time"}
 455   -re "$gdb_prompt $"\
 456           {fail "break on default location, 4th time"}
 457   timeout {fail "(timeout) break on default location, 4th time"}
 458 }
 459
 460 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
 461 # "silent" about its triggering.
 462 #
 463 if ![runto_main] then { fail "break tests suppressed" }
 464
 465 send_gdb "break $bp_location1\n"
 466 gdb_expect {
 467   -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $"\
 468           {pass "set to-be-silent break bp_location1"}
 469   -re "$gdb_prompt $"\
 470           {fail "set to-be-silent break bp_location1"}
 471   timeout {fail "(timeout) set to-be-silent break bp_location1"}
 472 }
 473
 474 send_gdb "commands $expect_out(1,string)\n"
 475 send_gdb "silent\n"
 476 send_gdb "end\n"
 477 gdb_expect {
 478   -re ".*$gdb_prompt $"\
 479           {pass "set silent break bp_location1"}
 480   timeout {fail "(timeout) set silent break bp_location1"}
 481 }
 482
 483 send_gdb "info break $expect_out(1,string)\n"
 484 gdb_expect {
 485   -re "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*$gdb_prompt $"\
 486           {pass "info silent break bp_location1"}
 487   -re "$gdb_prompt $"\
 488           {fail "info silent break bp_location1"}
 489   timeout {fail "(timeout) info silent break bp_location1"}
 490 }
 491 send_gdb "continue\n"
 492 gdb_expect {
 493   -re "Continuing.\r\n$gdb_prompt $"\
 494           {pass "hit silent break bp_location1"}
 495   -re "$gdb_prompt $"\
 496           {fail "hit silent break bp_location1"}
 497   timeout {fail "(timeout) hit silent break bp_location1"}
 498 }
 499 send_gdb "bt\n"
 500 gdb_expect {
 501   -re "#0  main .* at .*:$bp_location1.*$gdb_prompt $"\
 502           {pass "stopped for silent break bp_location1"}
 503   -re "$gdb_prompt $"\
 504           {fail "stopped for silent break bp_location1"}
 505   timeout {fail "(timeout) stopped for silent break bp_location1"}
 506 }
 507
 508 # Verify that GDB can at least parse a breakpoint with the
 509 # "thread" keyword.  (We won't attempt to test here that a
 510 # thread-specific breakpoint really triggers appropriately.
 511 # The gdb.threads subdirectory contains tests for that.)
 512 #
 513 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
 514 send_gdb "break $bp_location12 thread 999\n"
 515 gdb_expect {
 516   -re "Unknown thread 999.*$gdb_prompt $"\
 517           {pass "thread-specific breakpoint on non-existent thread disallowed"}
 518   -re "$gdb_prompt $"\
 519           {fail "thread-specific breakpoint on non-existent thread disallowed"}
 520   timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
 521 }
 522 send_gdb "break $bp_location12 thread foo\n"
 523 gdb_expect {
 524   -re "Junk after thread keyword..*$gdb_prompt $"\
 525           {pass "thread-specific breakpoint on bogus thread ID disallowed"}
 526   -re "$gdb_prompt $"\
 527           {fail "thread-specific breakpoint on bogus thread ID disallowed"}
 528   timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
 529 }
 530
 531 # Verify that GDB responds gracefully to a breakpoint command with
 532 # trailing garbage.
 533 #
 534 send_gdb "break $bp_location12 foo\n"
 535 gdb_expect {
 536   -re "Junk at end of arguments..*$gdb_prompt $"\
 537           {pass "breakpoint with trailing garbage disallowed"}
 538   -re "$gdb_prompt $"\
 539           {fail "breakpoint with trailing garbage disallowed"}
 540   timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}
 541 }
 542
 543 # Verify that GDB responds gracefully to a "clear" command that has
 544 # no matching breakpoint.  (First, get us off the current source line,
 545 # which we know has a breakpoint.)
 546 #
 547 send_gdb "next\n"
 548 gdb_expect {
 549   -re ".*$gdb_prompt $"\
 550           {pass "step over breakpoint"}
 551   timeout {fail "(timeout) step over breakpoint"}
 552 }
 553 send_gdb "clear 81\n"
 554 gdb_expect {
 555   -re "No breakpoint at 81..*$gdb_prompt $"\
 556           {pass "clear line has no breakpoint disallowed"}
 557   -re "$gdb_prompt $"\
 558           {fail "clear line has no breakpoint disallowed"}
 559   timeout {fail "(timeout) clear line has no breakpoint disallowed"}
 560 }
 561 send_gdb "clear\n"
 562 gdb_expect {
 563   -re "No breakpoint at this line..*$gdb_prompt $"\
 564           {pass "clear current line has no breakpoint disallowed"}
 565   -re "$gdb_prompt $"\
 566           {fail "clear current line has no breakpoint disallowed"}
 567   timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
 568 }
 569
 570 # Verify that we can set and clear multiple breakpoints.
 571 #
 572 # We don't test that it deletes the correct breakpoints.  We do at
 573 # least test that it deletes more than one breakpoint.
 574 #
 575 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
 576 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
 577 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
 578
 579 # Verify that a breakpoint can be set via a convenience variable.
 580 #
 581 send_gdb "set \$foo=$bp_location11\n"
 582 gdb_expect {
 583   -re "$gdb_prompt $"\
 584           {pass "set convenience variable \$foo to bp_location11"}
 585   timeout {fail "(timeout) set convenience variable \$foo to bp_location11"}
 586 }
 587 send_gdb "break \$foo\n"
 588 gdb_expect {
 589   -re "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*$gdb_prompt $"\
 590           {pass "set breakpoint via convenience variable"}
 591   -re "$gdb_prompt $"\
 592           {fail "set breakpoint via convenience variable"}
 593   timeout {fail "(timeout) set breakpoint via convenience variable"}
 594 }
 595
 596 # Verify that GDB responds gracefully to an attempt to set a
 597 # breakpoint via a convenience variable whose type is not integer.
 598 #
 599 send_gdb "set \$foo=81.5\n"
 600 gdb_expect {
 601   -re "$gdb_prompt $"\
 602           {pass "set convenience variable \$foo to 81.5"}
 603   timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
 604 }
 605 send_gdb "break \$foo\n"
 606 gdb_expect {
 607   -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\
 608           {pass "set breakpoint via non-integer convenience variable disallowed"}
 609   -re "$gdb_prompt $"\
 610           {fail "set breakpoint via non-integer convenience variable disallowed"}
 611   timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}
 612 }
 613
 614 # Verify that we can set and trigger a breakpoint in a user-called function.
 615 #
 616 send_gdb "break marker2\n"
 617 gdb_expect {
 618     -re "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*$gdb_prompt $"\
 619           {pass "set breakpoint on to-be-called function"}
 620   -re "$gdb_prompt $"\
 621           {fail "set breakpoint on to-be-called function"}
 622   timeout {fail "(timeout) set breakpoint on to-be-called function"}
 623 }
 624 send_gdb "print marker2(99)\n"
 625 gdb_expect {
 626   -re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2$proto. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\
 627           {pass "hit breakpoint on called function"}
 628   -re "$gdb_prompt $"\
 629           {fail "hit breakpoint on called function"}
 630   timeout {fail "(timeout) hit breakpoint on called function"}
 631 }
 632
 633 # As long as we're stopped (breakpointed) in a called function,
 634 # verify that we can successfully backtrace & such from here.
 635 #
 636 # In this and the following test, the _sr4export check apparently is needed
 637 # for hppa*-*-hpux.
 638 #
 639 send_gdb "bt\n"
 640 gdb_expect {
 641     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $"\
 642             {pass "backtrace while in called function"}
 643     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $"\
 644             {pass "backtrace while in called function"}
 645     -re "$gdb_prompt $"\
 646             {fail "backtrace while in called function"}
 647     timeout {fail "(timeout) backtrace while in called function"}
 648 }
 649
 650 # Return from the called function.  For remote targets, it's important to do
 651 # this before runto_main, which otherwise may silently stop on the dummy
 652 # breakpoint inserted by GDB at the program's entry point.
 653 #
 654 send_gdb "finish\n"
 655 gdb_expect {
 656     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $"\
 657             {pass "finish from called function"}
 658     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $"\
 659             {pass "finish from called function"}
 660     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $"\
 661             {pass "finish from called function"}
 662     -re "$gdb_prompt $"\
 663             {fail "finish from called function"}
 664     timeout {fail "(timeout) finish from called function"}
 665 }
 666
 667 # Verify that GDB responds gracefully to a "finish" command with
 668 # arguments.
 669 #
 670 if ![runto_main] then { fail "break tests suppressed" }
 671
 672 send_gdb "finish 123\n"
 673 gdb_expect {
 674   -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
 675           {pass "finish with arguments disallowed"}
 676   -re "$gdb_prompt $"\
 677           {fail "finish with arguments disallowed"}
 678   timeout {fail "(timeout) finish with arguments disallowed"}
 679 }
 680
 681 # Verify that GDB responds gracefully to a request to "finish" from
 682 # the outermost frame.  On a stub that never exits, this will just
 683 # run to the stubs routine, so we don't get this error...  Thus the
 684 # second condition.
 685 #
 686
 687 send_gdb "finish\n"
 688 gdb_expect {
 689   -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
 690           {pass "finish from outermost frame disallowed"}
 691   -re "Run till exit from.*\r\n$gdb_prompt $" {
 692      pass "finish from outermost frame disallowed"
 693   }
 694   -re "$gdb_prompt $"\
 695           {fail "finish from outermost frame disallowed"}
 696   timeout {fail "(timeout) finish from outermost frame disallowed"}
 697 }
 698
 699 # Verify that we can explicitly ask GDB to stop on all shared library
 700 # events, and that it does so.
 701 #
 702 if [istarget "hppa*-*-hpux*"] then {
 703   if ![runto_main] then { fail "break tests suppressed" }
 704
 705   send_gdb "set stop-on-solib-events 1\n"
 706   gdb_expect {
 707     -re "$gdb_prompt $"\
 708             {pass "set stop-on-solib-events"}
 709     timeout {fail "(timeout) set stop-on-solib-events"}
 710   }
 711
 712   send_gdb "run\n"
 713   gdb_expect {
 714     -re ".*Start it from the beginning.*y or n. $"\
 715             {send_gdb "y\n"
 716              gdb_expect {
 717                -re ".*Stopped due to shared library event.*$gdb_prompt $"\
 718                        {pass "triggered stop-on-solib-events"}
 719                -re "$gdb_prompt $"\
 720                        {fail "triggered stop-on-solib-events"}
 721                timeout {fail "(timeout) triggered stop-on-solib-events"}
 722              }
 723             }
 724     -re "$gdb_prompt $"\
 725             {fail "rerun for stop-on-solib-events"}
 726     timeout {fail "(timeout) rerun for stop-on-solib-events"}
 727   }
 728
 729   send_gdb "set stop-on-solib-events 0\n"
 730   gdb_expect {
 731     -re "$gdb_prompt $"\
 732             {pass "reset stop-on-solib-events"}
 733     timeout {fail "(timeout) reset stop-on-solib-events"}
 734   }
 735 }
 736
 737 # Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
 738 # gracefully responds to requests to create them.
 739 #
 740 if [istarget "hppa*-*-hpux*"] then {
 741   if ![runto_main] then { fail "break tests suppressed" }
 742
 743   send_gdb "hbreak\n"
 744   gdb_expect {
 745     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 746             {pass "hw breaks disallowed"}
 747     -re "$gdb_prompt $"\
 748             {fail "hw breaks disallowed"}
 749     timeout {fail "(timeout) hw breaks disallowed"}
 750   }
 751
 752   send_gdb "thbreak\n"
 753   gdb_expect {
 754     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 755             {pass "temporary hw breaks disallowed"}
 756     -re "$gdb_prompt $"\
 757             {fail "temporary hw breaks disallowed"}
 758     timeout {fail "(timeout) temporary hw breaks disallowed"}
 759   }
 760 }
 761
 762 #********
 763
 764
 765 #
 766 # Test "next" over recursive function call.
 767 #
 768
 769 proc test_next_with_recursion {} {
 770     global gdb_prompt
 771     global decimal
 772     global binfile
 773
 774     if [target_info exists use_gdb_stub] {
 775         # Reload the program.
 776         delete_breakpoints
 777         gdb_load ${binfile};
 778     } else {
 779         # FIXME: should be using runto
 780         gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
 781
 782         delete_breakpoints
 783     }
 784
 785     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 786
 787     # Run until we call factorial with 6
 788
 789     if [istarget "*-*-vxworks*"] then {
 790         send_gdb "run vxmain \"6\"\n"
 791     } else {
 792         gdb_run_cmd
 793     }
 794     gdb_expect {
 795         -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
 796         -re ".*$gdb_prompt $" {
 797             fail "run to factorial(6)";
 798             gdb_suppress_tests;
 799         }
 800         timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
 801     }
 802
 803     # Continue until we call factorial recursively with 5.
 804
 805     if [gdb_test "continue" \
 806         "Continuing.*Break.* factorial .value=5. .*" \
 807         "continue to factorial(5)"] then { gdb_suppress_tests }
 808
 809     # Do a backtrace just to confirm how many levels deep we are.
 810
 811     if [gdb_test "backtrace" \
 812         "#0\[ \t\]+ factorial .value=5..*" \
 813         "backtrace from factorial(5)"] then { gdb_suppress_tests }
 814
 815     # Now a "next" should position us at the recursive call, which
 816     # we will be performing with 4.
 817
 818     if [gdb_test "next" \
 819         ".* factorial .value - 1.;.*" \
 820         "next to recursive call"] then { gdb_suppress_tests }
 821
 822     # Disable the breakpoint at the entry to factorial by deleting them all.
 823     # The "next" should run until we return to the next line from this
 824     # recursive call to factorial with 4.
 825     # Buggy versions of gdb will stop instead at the innermost frame on
 826     # the line where we are trying to "next" to.
 827
 828     delete_breakpoints
 829
 830     if [istarget "mips*tx39-*"] {
 831         set timeout 60
 832     }
 833     # We used to set timeout here for all other targets as well.  This
 834     # is almost certainly wrong.  The proper timeout depends on the
 835     # target system in use, and how we communicate with it, so there
 836     # is no single value appropriate for all targets.  The timeout
 837     # should be established by the Dejagnu config file(s) for the
 838     # board, and respected by the test suite.
 839     #
 840     # For example, if I'm running GDB over an SSH tunnel talking to a
 841     # portmaster in California talking to an ancient 68k board running
 842     # a crummy ROM monitor (a situation I can only wish were
 843     # hypothetical), then I need a large timeout.  But that's not the
 844     # kind of knowledge that belongs in this file.
 845
 846     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 847             "next over recursive call"
 848
 849     # OK, we should be back in the same stack frame we started from.
 850     # Do a backtrace just to confirm.
 851
 852     set result [gdb_test "backtrace" \
 853             "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 854             "backtrace from factorial(5.1)"]
 855     if { $result != 0 } { gdb_suppress_tests }
 856
 857     if [target_info exists gdb,noresults] { gdb_suppress_tests }
 858   gdb_continue_to_end "recursive next test"
 859    gdb_stop_suppressing_tests;
 860 }
 861
 862 test_next_with_recursion
 863
 864
 865 #********
 866
 867 # build a new file with optimization enabled so that we can try breakpoints
 868 # on targets with optimized prologues
 869
 870 set binfileo2 ${objdir}/${subdir}/${testfile}o2
 871
 872 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}O0.o" object {debug nowarnings optimize=-O2}] != "" } {
 873      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
 874 }
 875
 876 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}O1.o" object {debug nowarnings optimize=-O2}] != "" } {
 877      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
 878 }
 879
 880 if  { [gdb_compile "${binfile}O0.o ${binfile}O1.o" "${binfileo2}" executable {debug nowarnings}] != "" } {
 881      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
 882 }
 883
 884 if [get_compiler_info ${binfileo2}] {
 885     return -1
 886 }
 887
 888 gdb_exit
 889 gdb_start
 890 gdb_reinitialize_dir $srcdir/$subdir
 891 gdb_load ${binfileo2}
 892
 893 if [target_info exists gdb_stub] {
 894     gdb_step_for_stub;
 895 }
 896
 897 #
 898 # test break at function
 899 #
 900 gdb_test "break main" \
 901     "Breakpoint.*at.* file .*, line.*" \
 902     "breakpoint function, optimized file"
 903
 904 #
 905 # test break at function
 906 #
 907 gdb_test "break marker4" \
 908     "Breakpoint.*at.* file .*$srcfile1, line.*" \
 909     "breakpoint small function, optimized file"
 910
 911 #
 912 # run until the breakpoint at main is hit. For non-stubs-using targets.
 913 #
 914 if ![target_info exists use_gdb_stub] {
 915   if [istarget "*-*-vxworks*"] then {
 916     send_gdb "run vxmain \"2\"\n"
 917     set timeout 120
 918     verbose "Timeout is now $timeout seconds" 2
 919   } else {
 920         send_gdb "run\n"
 921   }
 922   gdb_expect {
 923     -re "The program .* has been started already.*y or n. $" {
 924         send_gdb "y\n"
 925         exp_continue
 926     }
 927     -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $"\
 928                             { pass "run until function breakpoint, optimized file" }
 929     -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $"\
 930                             { pass "run until function breakpoint, optimized file (code motion)" }
 931     -re ".*$gdb_prompt $"       { fail "run until function breakpoint, optimized file" }
 932     timeout                 { fail "run until function breakpoint, optimized file (timeout)" }
 933   }
 934 } else {
 935     if ![target_info exists gdb_stub] {
 936         gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.*\{.*" "stub continue, optimized file"
 937     }
 938 }
 939
 940 #
 941 # run until the breakpoint at a small function
 942 #
 943
 944 #
 945 # Add a second pass pattern.  The behavior differs here between stabs
 946 # and dwarf for one-line functions.  Stabs preserves two line symbols
 947 # (one before the prologue and one after) with the same line number,
 948 # but dwarf regards these as duplicates and discards one of them.
 949 # Therefore the address after the prologue (where the breakpoint is)
 950 # has no exactly matching line symbol, and GDB reports the breakpoint
 951 # as if it were in the middle of a line rather than at the beginning.
 952
 953 set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1]
 954 set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
 955 send_gdb "continue\n"
 956 gdb_expect {
 957     -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 958         pass "run until breakpoint set at small function, optimized file"
 959     }
 960     -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 961         pass "run until breakpoint set at small function, optimized file"
 962     }
 963     -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
 964         # marker4() is defined at line 46 when compiled with -DPROTOTYPES
 965         pass "run until breakpoint set at small function, optimized file (line bp_location14)"
 966     }
 967     -re ".*$gdb_prompt " {
 968         fail "run until breakpoint set at small function, optimized file"
 969     }
 970     timeout {
 971         fail "run until breakpoint set at small function, optimized file (timeout)"
 972     }
 973 }
 974
 975
 976 # Reset the default arguments for VxWorks
 977 if [istarget "*-*-vxworks*"] {
 978     set timeout 10
 979     verbose "Timeout is now $timeout seconds" 2
 980     send_gdb "set args main\n"
 981     gdb_expect -re ".*$gdb_prompt $" {}
 982 }