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 3 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, see <http://www.gnu.org/licenses/>.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # Based on break.exp, written by Rob Savoye. (rob@cygnus.com)
  21 # Modified to test gdb's handling of separate debug info files.
  22
  23 # This file has two parts. The first is testing that gdb behaves
  24 # normally after reading in an executable and its corresponding
  25 # separate debug file. The second moves the .debug file to a different
  26 # location and tests the "set debug-file-directory" command.
  27
  28
  29 if $tracelevel then {
  30     strace $tracelevel
  31 }
  32
  33 #
  34 # test running programs
  35 #
  36 set prms_id 0
  37 set bug_id 0
  38
  39 set testfile "sepdebug"
  40 set srcfile ${testfile}.c
  41 set binfile ${objdir}/${subdir}/${testfile}
  42
  43 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  44     untested sepdebug.exp
  45     return -1
  46 }
  47
  48 # Note: the procedure gdb_gnu_strip_debug will produce an executable called
  49 # ${binfile}, which is just like the executable ($binfile) but without
  50 # the debuginfo. Instead $binfile has a .gnudebuglink section which contains
  51 # the name of a debuginfo only file. This file will be stored in the
  52 # gdb.base/.debug subdirectory.
  53
  54 if [gdb_gnu_strip_debug $binfile] {
  55     # check that you have a recent version of strip and objcopy installed
  56     unsupported "cannot produce separate debug info files"
  57     return -1
  58 }
  59
  60 gdb_exit
  61 gdb_start
  62 gdb_reinitialize_dir $srcdir/$subdir
  63 gdb_load ${binfile}
  64
  65 if [target_info exists gdb_stub] {
  66     gdb_step_for_stub;
  67 }
  68 #
  69 # test simple breakpoint setting commands
  70 #
  71
  72 # Test deleting all breakpoints when there are none installed,
  73 # GDB should not prompt for confirmation.
  74 # Note that gdb-init.exp provides a "delete_breakpoints" proc
  75 # for general use elsewhere.
  76
  77 send_gdb "delete breakpoints\n"
  78 gdb_expect {
  79      -re "Delete all breakpoints.*$" {
  80             send_gdb "y\n"
  81             gdb_expect {
  82                 -re "$gdb_prompt $" {
  83                     fail "Delete all breakpoints when none (unexpected prompt)"
  84                 }
  85                 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
  86             }
  87         }
  88      -re ".*$gdb_prompt $"       { pass "Delete all breakpoints when none" }
  89     timeout                 { fail "Delete all breakpoints when none (timeout)" }
  90 }
  91
  92 #
  93 # test break at function
  94 #
  95 gdb_test "break main" \
  96     "Breakpoint.*at.* file .*$srcfile, line.*" \
  97     "breakpoint function"
  98
  99 #
 100 # test break at quoted function
 101 #
 102 gdb_test "break \"marker2\"" \
 103     "Breakpoint.*at.* file .*$srcfile, line.*" \
 104     "breakpoint quoted function"
 105
 106 #
 107 # test break at function in file
 108 #
 109 gdb_test "break $srcfile:factorial" \
 110     "Breakpoint.*at.* file .*$srcfile, line.*" \
 111     "breakpoint function in file"
 112
 113 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
 114
 115 #
 116 # test break at line number
 117 #
 118 # Note that the default source file is the last one whose source text
 119 # was printed.  For native debugging, before we've executed the
 120 # program, this is the file containing main, but for remote debugging,
 121 # it's wherever the processor was stopped when we connected to the
 122 # board.  So, to be sure, we do a list command.
 123 #
 124 gdb_test "list main" \
 125     ".*main \\(argc, argv, envp\\).*" \
 126     "use `list' to establish default source file"
 127 gdb_test "break $bp_location1" \
 128     "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
 129     "breakpoint line number"
 130
 131 #
 132 # test duplicate breakpoint
 133 #
 134 gdb_test "break $bp_location1" \
 135     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
 136     "breakpoint duplicate"
 137
 138 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
 139
 140 #
 141 # test break at line number in file
 142 #
 143 gdb_test "break $srcfile:$bp_location2" \
 144     "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
 145     "breakpoint line number in file"
 146
 147 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
 148 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
 149
 150 #
 151 # Test putting a break at the start of a multi-line if conditional.
 152 # Verify the breakpoint was put at the start of the conditional.
 153 #
 154 gdb_test "break multi_line_if_conditional" \
 155     "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
 156     "breakpoint at start of multi line if conditional"
 157
 158 gdb_test "break multi_line_while_conditional" \
 159     "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
 160     "breakpoint at start of multi line while conditional"
 161
 162 set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
 163 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 164
 165 #
 166 # check to see what breakpoints are set
 167 #
 168 if [target_info exists gdb_stub] {
 169     set main_line $bp_location5
 170 } else {
 171     set main_line $bp_location6
 172 }
 173
 174 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
 175 set bp_location8 [gdb_get_line_number "set breakpoint 8 here"]
 176 set bp_location9 [gdb_get_line_number "set breakpoint 9 here"]
 177
 178 gdb_test "info break" \
 179     "Num Type\[ \]+Disp Enb Address\[ \]+What.*
 180 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*
 181 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker2 at .*$srcfile:($bp_location8|$bp_location9).*
 182 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial at .*$srcfile:$bp_location7.*
 183 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 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_location2.*
 186 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
 187 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
 188     "breakpoint info"
 189
 190 # FIXME: The rest of this test doesn't work with anything that can't
 191 # handle arguments.
 192 # Huh? There doesn't *appear* to be anything that passes arguments
 193 # below.
 194 if [istarget "mips-idt-*"] then {
 195     return
 196 }
 197
 198 #
 199 # run until the breakpoint at main is hit. For non-stubs-using targets.
 200 #
 201 gdb_run_cmd
 202 gdb_expect {
 203     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 204         pass "run until function breakpoint"
 205     }
 206     -re "$gdb_prompt $" {
 207         fail "run until function breakpoint"
 208     }
 209     timeout {
 210         fail "run until function breakpoint (timeout)"
 211     }
 212 }
 213
 214 #
 215 # run until the breakpoint at a line number
 216 #
 217 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
 218                         "run until breakpoint set at a line number"
 219
 220 #
 221 # Run until the breakpoint set in a function in a file
 222 #
 223 for {set i 6} {$i >= 1} {incr i -1} {
 224         gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
 225                         "run until file:function($i) breakpoint"
 226 }
 227
 228 #
 229 # Run until the breakpoint set at a quoted function
 230 #
 231 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile:($bp_location8|$bp_location9).*" \
 232                 "run until quoted breakpoint"
 233 #
 234 # run until the file:function breakpoint at a line number in a file
 235 #
 236 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
 237                 "run until file:linenum breakpoint"
 238
 239 # Test break at offset +1
 240 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
 241
 242 gdb_test "break +1" \
 243     "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
 244     "breakpoint offset +1"
 245
 246 # Check to see if breakpoint is hit when stepped onto
 247
 248 gdb_test "step" \
 249     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
 250     "step onto breakpoint"
 251
 252 #
 253 # delete all breakpoints so we can start over, course this can be a test too
 254 #
 255 delete_breakpoints
 256
 257 #
 258 # test temporary breakpoint at function
 259 #
 260
 261 gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 262
 263 #
 264 # test break at function in file
 265 #
 266
 267 gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \
 268         "Temporary breakpoint function in file"
 269
 270 #
 271 # test break at line number
 272 #
 273 send_gdb "tbreak $bp_location1\n"
 274 gdb_expect {
 275     -re "Breakpoint.*at.* file .*$srcfile, line $bp_location1.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
 276         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number #1" }
 277         timeout     { fail "breakpoint line number #1 (timeout)" }
 278 }
 279
 280 gdb_test "tbreak $bp_location6" "Breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"
 281
 282 #
 283 # test break at line number in file
 284 #
 285 send_gdb "tbreak $srcfile:$bp_location2\n"
 286 gdb_expect {
 287     -re "Breakpoint.*at.* file .*$srcfile, line $bp_location2.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
 288         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number in file #1" }
 289         timeout     { fail "Temporary breakpoint line number in file #1 (timeout)" }
 290 }
 291
 292 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
 293 gdb_test  "tbreak $srcfile:$bp_location11" "Breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
 294
 295 #
 296 # check to see what breakpoints are set (temporary this time)
 297 #
 298 gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
 299 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
 300 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial at .*$srcfile:$bp_location7.*\[\r\n\]
 301 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
 302 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
 303 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
 304 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location11.*" \
 305     "Temporary breakpoint info"
 306
 307
 308 #***********
 309
 310 # Verify that catchpoints for fork, vfork and exec don't trigger
 311 # inappropriately.  (There are no calls to those system functions
 312 # in this test program.)
 313 #
 314 if ![runto_main] then { fail "break tests suppressed" }
 315
 316 send_gdb "catch\n"
 317 gdb_expect {
 318   -re "Catch requires an event name.*$gdb_prompt $"\
 319           {pass "catch requires an event name"}
 320   -re "$gdb_prompt $"\
 321           {fail "catch requires an event name"}
 322   timeout {fail "(timeout) catch requires an event name"}
 323 }
 324
 325
 326 set name "set catch fork, never expected to trigger"
 327 send_gdb "catch fork\n"
 328 gdb_expect {
 329   -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
 330           {pass $name}
 331   -re "Catch of fork not yet implemented.*$gdb_prompt $"
 332           {pass $name}
 333   -re "$gdb_prompt $"
 334           {fail $name}
 335   timeout {fail "(timeout) $name"}
 336 }
 337
 338
 339 set name "set catch vfork, never expected to trigger"
 340 send_gdb "catch vfork\n"
 341
 342 # If we are on HP-UX 10.20, we expect an error message to be
 343 # printed if we type "catch vfork" at the gdb gdb_prompt.  This is
 344 # because on HP-UX 10.20, we cannot catch vfork events.
 345
 346 if [istarget "hppa*-hp-hpux10.20"] then {
 347     gdb_expect {
 348         -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
 349                 {pass $name}
 350         -re "$gdb_prompt $"
 351                 {fail $name}
 352         timeout {fail "(timeout) $name"}
 353     }
 354 } else {
 355     gdb_expect {
 356         -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
 357                 {pass $name}
 358         -re "Catch of vfork not yet implemented.*$gdb_prompt $"
 359                 {pass $name}
 360         -re "$gdb_prompt $"
 361                 {fail $name}
 362         timeout {fail "(timeout) $name"}
 363     }
 364 }
 365
 366 set name "set catch exec, never expected to trigger"
 367 send_gdb "catch exec\n"
 368 gdb_expect {
 369   -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
 370           {pass $name}
 371   -re "Catch of exec not yet implemented.*$gdb_prompt $"
 372           {pass $name}
 373   -re "$gdb_prompt $" {fail $name}
 374   timeout {fail "(timeout) $name"}
 375 }
 376
 377 # Verify that GDB responds gracefully when asked to set a breakpoint
 378 # on a nonexistent source line.
 379 #
 380 send_gdb "break 999\n"
 381 gdb_expect {
 382   -re "No line 999 in file .*$gdb_prompt $"\
 383           {pass "break on non-existent source line"}
 384   -re "$gdb_prompt $"\
 385           {fail "break on non-existent source line"}
 386   timeout {fail "(timeout) break on non-existent source line"}
 387 }
 388
 389 # Run to the desired default location. If not positioned here, the
 390 # tests below don't work.
 391 #
 392 gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1"
 393
 394
 395 # Verify that GDB allows one to just say "break", which is treated
 396 # as the "default" breakpoint.  Note that GDB gets cute when printing
 397 # the informational message about other breakpoints at the same
 398 # location.  We'll hit that bird with this stone too.
 399 #
 400 send_gdb "break\n"
 401 gdb_expect {
 402   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 403           {pass "break on default location, 1st time"}
 404   -re "$gdb_prompt $"\
 405           {fail "break on default location, 1st time"}
 406   timeout {fail "(timeout) break on default location, 1st time"}
 407 }
 408
 409 send_gdb "break\n"
 410 gdb_expect {
 411   -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 412           {pass "break on default location, 2nd time"}
 413   -re "$gdb_prompt $"\
 414           {fail "break on default location, 2nd time"}
 415   timeout {fail "(timeout) break on default location, 2nd time"}
 416 }
 417
 418 send_gdb "break\n"
 419 gdb_expect {
 420   -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 421           {pass "break on default location, 3rd time"}
 422   -re "$gdb_prompt $"\
 423           {fail "break on default location, 3rd time"}
 424   timeout {fail "(timeout) break on default location, 3rd time"}
 425 }
 426
 427 send_gdb "break\n"
 428 gdb_expect {
 429   -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 430           {pass "break on default location, 4th time"}
 431   -re "$gdb_prompt $"\
 432           {fail "break on default location, 4th time"}
 433   timeout {fail "(timeout) break on default location, 4th time"}
 434 }
 435
 436 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
 437 # "silent" about its triggering.
 438 #
 439 if ![runto_main] then { fail "break tests suppressed" }
 440
 441 send_gdb "break $bp_location1\n"
 442 gdb_expect {
 443   -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $"\
 444           {pass "set to-be-silent break bp_location1"}
 445   -re "$gdb_prompt $"\
 446           {fail "set to-be-silent break bp_location1"}
 447   timeout {fail "(timeout) set to-be-silent break bp_location1"}
 448 }
 449
 450 send_gdb "commands $expect_out(1,string)\n"
 451 send_gdb "silent\n"
 452 send_gdb "end\n"
 453 gdb_expect {
 454   -re ".*$gdb_prompt $"\
 455           {pass "set silent break bp_location1"}
 456   timeout {fail "(timeout) set silent break bp_location1"}
 457 }
 458
 459 send_gdb "info break $expect_out(1,string)\n"
 460 gdb_expect {
 461   -re "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*$gdb_prompt $"\
 462           {pass "info silent break bp_location1"}
 463   -re "$gdb_prompt $"\
 464           {fail "info silent break bp_location1"}
 465   timeout {fail "(timeout) info silent break bp_location1"}
 466 }
 467 send_gdb "continue\n"
 468 gdb_expect {
 469   -re "Continuing.\r\n$gdb_prompt $"\
 470           {pass "hit silent break bp_location1"}
 471   -re "$gdb_prompt $"\
 472           {fail "hit silent break bp_location1"}
 473   timeout {fail "(timeout) hit silent break bp_location1"}
 474 }
 475 send_gdb "bt\n"
 476 gdb_expect {
 477   -re "#0  main .* at .*:$bp_location1.*$gdb_prompt $"\
 478           {pass "stopped for silent break bp_location1"}
 479   -re "$gdb_prompt $"\
 480           {fail "stopped for silent break bp_location1"}
 481   timeout {fail "(timeout) stopped for silent break bp_location1"}
 482 }
 483
 484 # Verify that GDB can at least parse a breakpoint with the
 485 # "thread" keyword.  (We won't attempt to test here that a
 486 # thread-specific breakpoint really triggers appropriately.
 487 # The gdb.threads subdirectory contains tests for that.)
 488 #
 489 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
 490 send_gdb "break $bp_location12 thread 999\n"
 491 gdb_expect {
 492   -re "Unknown thread 999.*$gdb_prompt $"\
 493           {pass "thread-specific breakpoint on non-existent thread disallowed"}
 494   -re "$gdb_prompt $"\
 495           {fail "thread-specific breakpoint on non-existent thread disallowed"}
 496   timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
 497 }
 498 send_gdb "break $bp_location12 thread foo\n"
 499 gdb_expect {
 500   -re "Junk after thread keyword..*$gdb_prompt $"\
 501           {pass "thread-specific breakpoint on bogus thread ID disallowed"}
 502   -re "$gdb_prompt $"\
 503           {fail "thread-specific breakpoint on bogus thread ID disallowed"}
 504   timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
 505 }
 506
 507 # Verify that GDB responds gracefully to a breakpoint command with
 508 # trailing garbage.
 509 #
 510 send_gdb "break $bp_location12 foo\n"
 511 gdb_expect {
 512   -re "Junk at end of arguments..*$gdb_prompt $"\
 513           {pass "breakpoint with trailing garbage disallowed"}
 514   -re "$gdb_prompt $"\
 515           {fail "breakpoint with trailing garbage disallowed"}
 516   timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}
 517 }
 518
 519 # Verify that GDB responds gracefully to a "clear" command that has
 520 # no matching breakpoint.  (First, get us off the current source line,
 521 # which we know has a breakpoint.)
 522 #
 523 send_gdb "next\n"
 524 gdb_expect {
 525   -re ".*$gdb_prompt $"\
 526           {pass "step over breakpoint"}
 527   timeout {fail "(timeout) step over breakpoint"}
 528 }
 529 send_gdb "clear 81\n"
 530 gdb_expect {
 531   -re "No breakpoint at 81..*$gdb_prompt $"\
 532           {pass "clear line has no breakpoint disallowed"}
 533   -re "$gdb_prompt $"\
 534           {fail "clear line has no breakpoint disallowed"}
 535   timeout {fail "(timeout) clear line has no breakpoint disallowed"}
 536 }
 537 send_gdb "clear\n"
 538 gdb_expect {
 539   -re "No breakpoint at this line..*$gdb_prompt $"\
 540           {pass "clear current line has no breakpoint disallowed"}
 541   -re "$gdb_prompt $"\
 542           {fail "clear current line has no breakpoint disallowed"}
 543   timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
 544 }
 545
 546 # Verify that we can set and clear multiple breakpoints.
 547 #
 548 # We don't test that it deletes the correct breakpoints.  We do at
 549 # least test that it deletes more than one breakpoint.
 550 #
 551 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
 552 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
 553 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
 554
 555 # Verify that a breakpoint can be set via a convenience variable.
 556 #
 557 send_gdb "set \$foo=$bp_location11\n"
 558 gdb_expect {
 559   -re "$gdb_prompt $"\
 560           {pass "set convenience variable \$foo to bp_location11"}
 561   timeout {fail "(timeout) set convenience variable \$foo to bp_location11"}
 562 }
 563 send_gdb "break \$foo\n"
 564 gdb_expect {
 565   -re "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*$gdb_prompt $"\
 566           {pass "set breakpoint via convenience variable"}
 567   -re "$gdb_prompt $"\
 568           {fail "set breakpoint via convenience variable"}
 569   timeout {fail "(timeout) set breakpoint via convenience variable"}
 570 }
 571
 572 # Verify that GDB responds gracefully to an attempt to set a
 573 # breakpoint via a convenience variable whose type is not integer.
 574 #
 575 send_gdb "set \$foo=81.5\n"
 576 gdb_expect {
 577   -re "$gdb_prompt $"\
 578           {pass "set convenience variable \$foo to 81.5"}
 579   timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
 580 }
 581 send_gdb "break \$foo\n"
 582 gdb_expect {
 583   -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\
 584           {pass "set breakpoint via non-integer convenience variable disallowed"}
 585   -re "$gdb_prompt $"\
 586           {fail "set breakpoint via non-integer convenience variable disallowed"}
 587   timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}
 588 }
 589
 590 # Verify that we can set and trigger a breakpoint in a user-called function.
 591 #
 592 send_gdb "break marker2\n"
 593 gdb_expect {
 594     -re "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*$gdb_prompt $"\
 595           {pass "set breakpoint on to-be-called function"}
 596   -re "$gdb_prompt $"\
 597           {fail "set breakpoint on to-be-called function"}
 598   timeout {fail "(timeout) set breakpoint on to-be-called function"}
 599 }
 600 send_gdb "print marker2(99)\n"
 601 gdb_expect {
 602   -re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\
 603           {pass "hit breakpoint on called function"}
 604   -re "$gdb_prompt $"\
 605           {fail "hit breakpoint on called function"}
 606   timeout {fail "(timeout) hit breakpoint on called function"}
 607 }
 608
 609 # As long as we're stopped (breakpointed) in a called function,
 610 # verify that we can successfully backtrace & such from here.
 611 #
 612 # In this and the following test, the _sr4export check apparently is needed
 613 # for hppa*-*-hpux.
 614 #
 615 send_gdb "bt\n"
 616 gdb_expect {
 617     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $"\
 618             {pass "backtrace while in called function"}
 619     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $"\
 620             {pass "backtrace while in called function"}
 621     -re "$gdb_prompt $"\
 622             {fail "backtrace while in called function"}
 623     timeout {fail "(timeout) backtrace while in called function"}
 624 }
 625
 626 # Return from the called function.  For remote targets, it's important to do
 627 # this before runto_main, which otherwise may silently stop on the dummy
 628 # breakpoint inserted by GDB at the program's entry point.
 629 #
 630 send_gdb "finish\n"
 631 gdb_expect {
 632     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $"\
 633             {pass "finish from called function"}
 634     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $"\
 635             {pass "finish from called function"}
 636     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $"\
 637             {pass "finish from called function"}
 638     -re "$gdb_prompt $"\
 639             {fail "finish from called function"}
 640     timeout {fail "(timeout) finish from called function"}
 641 }
 642
 643 # Verify that GDB responds gracefully to a "finish" command with
 644 # arguments.
 645 #
 646 if ![runto_main] then { fail "break tests suppressed" }
 647
 648 send_gdb "finish 123\n"
 649 gdb_expect {
 650   -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
 651           {pass "finish with arguments disallowed"}
 652   -re "$gdb_prompt $"\
 653           {fail "finish with arguments disallowed"}
 654   timeout {fail "(timeout) finish with arguments disallowed"}
 655 }
 656
 657 # Verify that GDB responds gracefully to a request to "finish" from
 658 # the outermost frame.  On a stub that never exits, this will just
 659 # run to the stubs routine, so we don't get this error...  Thus the
 660 # second condition.
 661 #
 662
 663 send_gdb "finish\n"
 664 gdb_expect {
 665   -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
 666           {pass "finish from outermost frame disallowed"}
 667   -re "Run till exit from.*\r\n$gdb_prompt $" {
 668      pass "finish from outermost frame disallowed"
 669   }
 670   -re "$gdb_prompt $"\
 671           {fail "finish from outermost frame disallowed"}
 672   timeout {fail "(timeout) finish from outermost frame disallowed"}
 673 }
 674
 675 # Verify that we can explicitly ask GDB to stop on all shared library
 676 # events, and that it does so.
 677 #
 678 if [istarget "hppa*-*-hpux*"] then {
 679   if ![runto_main] then { fail "break tests suppressed" }
 680
 681   send_gdb "set stop-on-solib-events 1\n"
 682   gdb_expect {
 683     -re "$gdb_prompt $"\
 684             {pass "set stop-on-solib-events"}
 685     timeout {fail "(timeout) set stop-on-solib-events"}
 686   }
 687
 688   send_gdb "run\n"
 689   gdb_expect {
 690     -re ".*Start it from the beginning.*y or n. $"\
 691             {send_gdb "y\n"
 692              gdb_expect {
 693                -re ".*Stopped due to shared library event.*$gdb_prompt $"\
 694                        {pass "triggered stop-on-solib-events"}
 695                -re "$gdb_prompt $"\
 696                        {fail "triggered stop-on-solib-events"}
 697                timeout {fail "(timeout) triggered stop-on-solib-events"}
 698              }
 699             }
 700     -re "$gdb_prompt $"\
 701             {fail "rerun for stop-on-solib-events"}
 702     timeout {fail "(timeout) rerun for stop-on-solib-events"}
 703   }
 704
 705   send_gdb "set stop-on-solib-events 0\n"
 706   gdb_expect {
 707     -re "$gdb_prompt $"\
 708             {pass "reset stop-on-solib-events"}
 709     timeout {fail "(timeout) reset stop-on-solib-events"}
 710   }
 711 }
 712
 713 # Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
 714 # gracefully responds to requests to create them.
 715 #
 716 if [istarget "hppa*-*-hpux*"] then {
 717   if ![runto_main] then { fail "break tests suppressed" }
 718
 719   send_gdb "hbreak\n"
 720   gdb_expect {
 721     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 722             {pass "hw breaks disallowed"}
 723     -re "$gdb_prompt $"\
 724             {fail "hw breaks disallowed"}
 725     timeout {fail "(timeout) hw breaks disallowed"}
 726   }
 727
 728   send_gdb "thbreak\n"
 729   gdb_expect {
 730     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 731             {pass "temporary hw breaks disallowed"}
 732     -re "$gdb_prompt $"\
 733             {fail "temporary hw breaks disallowed"}
 734     timeout {fail "(timeout) temporary hw breaks disallowed"}
 735   }
 736 }
 737
 738 #********
 739
 740
 741 #
 742 # Test "next" over recursive function call.
 743 #
 744
 745 proc test_next_with_recursion {} {
 746     global gdb_prompt
 747     global decimal
 748     global binfile
 749
 750     gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
 751     delete_breakpoints
 752
 753     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 754
 755     # Run until we call factorial with 6
 756
 757     gdb_run_cmd
 758     gdb_expect {
 759         -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
 760         -re ".*$gdb_prompt $" {
 761             fail "run to factorial(6)";
 762             gdb_suppress_tests;
 763         }
 764         timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
 765     }
 766
 767     # Continue until we call factorial recursively with 5.
 768
 769     if [gdb_test "continue" \
 770         "Continuing.*Break.* factorial .value=5. .*" \
 771         "continue to factorial(5)"] then { gdb_suppress_tests }
 772
 773     # Do a backtrace just to confirm how many levels deep we are.
 774
 775     if [gdb_test "backtrace" \
 776         "#0\[ \t\]+ factorial .value=5..*" \
 777         "backtrace from factorial(5)"] then { gdb_suppress_tests }
 778
 779     # Now a "next" should position us at the recursive call, which
 780     # we will be performing with 4.
 781
 782     if [gdb_test "next" \
 783         ".* factorial .value - 1.;.*" \
 784         "next to recursive call"] then { gdb_suppress_tests }
 785
 786     # Disable the breakpoint at the entry to factorial by deleting them all.
 787     # The "next" should run until we return to the next line from this
 788     # recursive call to factorial with 4.
 789     # Buggy versions of gdb will stop instead at the innermost frame on
 790     # the line where we are trying to "next" to.
 791
 792     delete_breakpoints
 793
 794     if [istarget "mips*tx39-*"] {
 795         set timeout 60
 796     }
 797     # We used to set timeout here for all other targets as well.  This
 798     # is almost certainly wrong.  The proper timeout depends on the
 799     # target system in use, and how we communicate with it, so there
 800     # is no single value appropriate for all targets.  The timeout
 801     # should be established by the Dejagnu config file(s) for the
 802     # board, and respected by the test suite.
 803     #
 804     # For example, if I'm running GDB over an SSH tunnel talking to a
 805     # portmaster in California talking to an ancient 68k board running
 806     # a crummy ROM monitor (a situation I can only wish were
 807     # hypothetical), then I need a large timeout.  But that's not the
 808     # kind of knowledge that belongs in this file.
 809
 810     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 811             "next over recursive call"
 812
 813     # OK, we should be back in the same stack frame we started from.
 814     # Do a backtrace just to confirm.
 815
 816     set result [gdb_test "backtrace" \
 817             "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 818             "backtrace from factorial(5.1)"]
 819     if { $result != 0 } { gdb_suppress_tests }
 820
 821     if [target_info exists gdb,noresults] { gdb_suppress_tests }
 822   gdb_continue_to_end "recursive next test"
 823    gdb_stop_suppressing_tests;
 824 }
 825
 826 test_next_with_recursion
 827
 828
 829 #********
 830
 831 # now move the .debug file to a different location so that we can test
 832 # the "set debug-file-directory" command.
 833
 834 remote_exec build "mv ${objdir}/${subdir}/.debug/${testfile}.debug ${objdir}/${subdir}"
 835 gdb_exit
 836 gdb_start
 837 gdb_reinitialize_dir $srcdir/$subdir
 838 gdb_test "set debug-file-directory ${objdir}/${subdir}" ".*" "set separate debug location"
 839 gdb_load ${binfile}
 840
 841 if [target_info exists gdb_stub] {
 842     gdb_step_for_stub;
 843 }
 844
 845 #
 846 # test break at function
 847 #
 848 gdb_test "break main" \
 849     "Breakpoint.*at.* file .*$srcfile, line.*" \
 850     "breakpoint function, optimized file"
 851
 852 #
 853 # test break at function
 854 #
 855 gdb_test "break marker4" \
 856     "Breakpoint.*at.* file .*$srcfile, line.*" \
 857     "breakpoint small function, optimized file"
 858
 859 #
 860 # run until the breakpoint at main is hit. For non-stubs-using targets.
 861 #
 862 gdb_run_cmd
 863 gdb_expect {
 864     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 865         pass "run until function breakpoint, optimized file"
 866     }
 867     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
 868         pass "run until function breakpoint, optimized file (code motion)"
 869     }
 870     -re "$gdb_prompt $" {
 871         fail "run until function breakpoint, optimized file"
 872     }
 873     timeout {
 874         fail "run until function breakpoint, optimized file (timeout)"
 875     }
 876 }
 877
 878 #
 879 # run until the breakpoint at a small function
 880 #
 881
 882 #
 883 # Add a second pass pattern.  The behavior differs here between stabs
 884 # and dwarf for one-line functions.  Stabs preserves two line symbols
 885 # (one before the prologue and one after) with the same line number,
 886 # but dwarf regards these as duplicates and discards one of them.
 887 # Therefore the address after the prologue (where the breakpoint is)
 888 # has no exactly matching line symbol, and GDB reports the breakpoint
 889 # as if it were in the middle of a line rather than at the beginning.
 890
 891 set bp_location13 [gdb_get_line_number "set breakpoint 13 here"]
 892 set bp_location14 [gdb_get_line_number "set breakpoint 14 here"]
 893 send_gdb "continue\n"
 894 gdb_expect {
 895     -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 896         pass "run until breakpoint set at small function, optimized file"
 897     }
 898     -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 899         pass "run until breakpoint set at small function, optimized file"
 900     }
 901     -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
 902         # marker4() is defined at line 46 when compiled with -DPROTOTYPES
 903         pass "run until breakpoint set at small function, optimized file (line bp_location14)"
 904     }
 905     -re ".*$gdb_prompt " {
 906         fail "run until breakpoint set at small function, optimized file"
 907     }
 908     timeout {
 909         fail "run until breakpoint set at small function, optimized file (timeout)"
 910     }
 911 }
 912
 913
 914 # Reset the default arguments for VxWorks
 915 if [istarget "*-*-vxworks*"] {
 916     set timeout 10
 917     verbose "Timeout is now $timeout seconds" 2
 918     send_gdb "set args main\n"
 919     gdb_expect -re ".*$gdb_prompt $" {}
 920 }