gdb/testsuite/gdb.base/sepdebug.exp

   1 #   Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
   2 #   2000, 2002, 2003, 2004
   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 # Based on break.exp, written by Rob Savoye. (rob@cygnus.com)
  23 # Modified to test gdb's handling of separate debug info files.
  24
  25 # This file has two parts. The first is testing that gdb behaves
  26 # normally after reading in an executable and its corresponding
  27 # separate debug file. The second moves the .debug file to a different
  28 # location and tests the "set debug-file-directory" command.
  29
  30
  31 if $tracelevel then {
  32     strace $tracelevel
  33 }
  34
  35 #
  36 # test running programs
  37 #
  38 set prms_id 0
  39 set bug_id 0
  40
  41 set testfile "sepdebug"
  42 set srcfile ${testfile}.c
  43 set binfile ${objdir}/${subdir}/${testfile}
  44
  45 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
  46     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  47 }
  48
  49 # FIXME: this is nasty. We need to check for the stabs debug format.
  50 # To do this we must run gdb on the unstripped executable, list 'main'
  51 # (as to have a default source file), use get_debug_format (which does
  52 # 'info source') and then see if the debug info is stabs. If so, we
  53 # bail out.  We cannot do this any other way because get_debug_format
  54 # finds out the debug format using gdb itself, and in case of stabs we
  55 # get an error loading the program if it is already stripped.  An
  56 # alternative would be to find out the debug info from the flags
  57 # passed to dejagnu when the test is run.
  58
  59 gdb_exit
  60 gdb_start
  61 gdb_reinitialize_dir $srcdir/$subdir
  62 gdb_load ${binfile}
  63 gdb_test "list main" "" ""
  64 get_debug_format
  65 if { [test_debug_format "stabs"] } then {
  66     # the separate debug info feature doesn't work well in binutils with stabs.
  67     # It produces a corrupted debug info only file, and gdb chokes on it.
  68     # It is almost impossible to capture the failing message out of gdb,
  69     # because it happens inside gdb_load. At that point any error message
  70     # is intercepted by dejagnu itself, and, because of the error threshold,
  71     # any faulty test result is changed into an UNRESOLVED.
  72     # (see dejagnu/lib/framework.exp)
  73     unsupported "no separate debug info handling with stabs"
  74     return -1
  75 }
  76 gdb_exit
  77
  78 # Note: the procedure gdb_gnu_strip_debug will produce an executable called
  79 # ${binfile}, which is just like the executable ($binfile) but without
  80 # the debuginfo. Instead $binfile has a .gnudebuglink section which contains
  81 # the name of a idebuginfo only file. This file will be stored in the
  82 # gdb.base/.debug subdirectory.
  83
  84 if [gdb_gnu_strip_debug $binfile] {
  85     unsupported "no separate debug info handling"
  86     return -1
  87 }
  88
  89 gdb_exit
  90 gdb_start
  91 gdb_reinitialize_dir $srcdir/$subdir
  92 gdb_load ${binfile}
  93
  94 if [target_info exists gdb_stub] {
  95     gdb_step_for_stub;
  96 }
  97 #
  98 # test simple breakpoint setting commands
  99 #
 100
 101 # Test deleting all breakpoints when there are none installed,
 102 # GDB should not prompt for confirmation.
 103 # Note that gdb-init.exp provides a "delete_breakpoints" proc
 104 # for general use elsewhere.
 105
 106 send_gdb "delete breakpoints\n"
 107 gdb_expect {
 108      -re "Delete all breakpoints.*$" {
 109             send_gdb "y\n"
 110             gdb_expect {
 111                 -re "$gdb_prompt $" {
 112                     fail "Delete all breakpoints when none (unexpected prompt)"
 113                 }
 114                 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
 115             }
 116         }
 117      -re ".*$gdb_prompt $"       { pass "Delete all breakpoints when none" }
 118     timeout                 { fail "Delete all breakpoints when none (timeout)" }
 119 }
 120
 121 #
 122 # test break at function
 123 #
 124 gdb_test "break main" \
 125     "Breakpoint.*at.* file .*$srcfile, line.*" \
 126     "breakpoint function"
 127
 128 #
 129 # test break at quoted function
 130 #
 131 gdb_test "break \"marker2\"" \
 132     "Breakpoint.*at.* file .*$srcfile, line.*" \
 133     "breakpoint quoted function"
 134
 135 #
 136 # test break at function in file
 137 #
 138 gdb_test "break $srcfile:factorial" \
 139     "Breakpoint.*at.* file .*$srcfile, line.*" \
 140     "breakpoint function in file"
 141
 142 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
 143
 144 #
 145 # test break at line number
 146 #
 147 # Note that the default source file is the last one whose source text
 148 # was printed.  For native debugging, before we've executed the
 149 # program, this is the file containing main, but for remote debugging,
 150 # it's wherever the processor was stopped when we connected to the
 151 # board.  So, to be sure, we do a list command.
 152 #
 153 gdb_test "list main" \
 154     ".*main \\(argc, argv, envp\\).*" \
 155     "use `list' to establish default source file"
 156 gdb_test "break $bp_location1" \
 157     "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
 158     "breakpoint line number"
 159
 160 #
 161 # test duplicate breakpoint
 162 #
 163 gdb_test "break $bp_location1" \
 164     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
 165     "breakpoint duplicate"
 166
 167 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
 168
 169 #
 170 # test break at line number in file
 171 #
 172 gdb_test "break $srcfile:$bp_location2" \
 173     "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
 174     "breakpoint line number in file"
 175
 176 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
 177 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
 178
 179 #
 180 # Test putting a break at the start of a multi-line if conditional.
 181 # Verify the breakpoint was put at the start of the conditional.
 182 #
 183 gdb_test "break multi_line_if_conditional" \
 184     "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
 185     "breakpoint at start of multi line if conditional"
 186
 187 gdb_test "break multi_line_while_conditional" \
 188     "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
 189     "breakpoint at start of multi line while conditional"
 190
 191 set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
 192 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 193
 194 #
 195 # check to see what breakpoints are set
 196 #
 197 if [target_info exists gdb_stub] {
 198     set main_line $bp_location5
 199 } else {
 200     set main_line $bp_location6
 201 }
 202
 203 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
 204 set bp_location8 [gdb_get_line_number "set breakpoint 8 here"]
 205 set bp_location9 [gdb_get_line_number "set breakpoint 9 here"]
 206
 207 gdb_test "info break" \
 208     "Num Type\[ \]+Disp Enb Address\[ \]+What.*
 209 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*
 210 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker2 at .*$srcfile:($bp_location8|$bp_location9).*
 211 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial at .*$srcfile:$bp_location7.*
 212 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 213 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 214 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location2.*
 215 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
 216 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
 217     "breakpoint info"
 218
 219 # FIXME: The rest of this test doesn't work with anything that can't
 220 # handle arguments.
 221 # Huh? There doesn't *appear* to be anything that passes arguments
 222 # below.
 223 if [istarget "mips-idt-*"] then {
 224     return
 225 }
 226
 227 #
 228 # run until the breakpoint at main is hit. For non-stubs-using targets.
 229 #
 230 if ![target_info exists use_gdb_stub] {
 231   if [istarget "*-*-vxworks*"] then {
 232     send_gdb "run vxmain \"2\"\n"
 233     set timeout 120
 234     verbose "Timeout is now $timeout seconds" 2
 235   } else {
 236         send_gdb "run\n"
 237   }
 238   gdb_expect {
 239     -re "The program .* has been started already.*y or n. $" {
 240         send_gdb "y\n"
 241         exp_continue
 242     }
 243     -re "Starting program.*Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $"\
 244                             { pass "run until function breakpoint" }
 245     -re ".*$gdb_prompt $"       { fail "run until function breakpoint" }
 246     timeout                 { fail "run until function breakpoint (timeout)" }
 247   }
 248 } else {
 249     if ![target_info exists gdb_stub] {
 250         gdb_test continue ".*Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.*\{.*" "stub continue"
 251     }
 252 }
 253
 254 #
 255 # run until the breakpoint at a line number
 256 #
 257 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
 258                         "run until breakpoint set at a line number"
 259
 260 #
 261 # Run until the breakpoint set in a function in a file
 262 #
 263 for {set i 6} {$i >= 1} {incr i -1} {
 264         gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
 265                         "run until file:function($i) breakpoint"
 266 }
 267
 268 #
 269 # Run until the breakpoint set at a quoted function
 270 #
 271 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile:($bp_location8|$bp_location9).*" \
 272                 "run until quoted breakpoint"
 273 #
 274 # run until the file:function breakpoint at a line number in a file
 275 #
 276 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
 277                 "run until file:linenum breakpoint"
 278
 279 # Test break at offset +1
 280 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
 281
 282 gdb_test "break +1" \
 283     "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
 284     "breakpoint offset +1"
 285
 286 # Check to see if breakpoint is hit when stepped onto
 287
 288 gdb_test "step" \
 289     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
 290     "step onto breakpoint"
 291
 292 #
 293 # delete all breakpoints so we can start over, course this can be a test too
 294 #
 295 delete_breakpoints
 296
 297 #
 298 # test temporary breakpoint at function
 299 #
 300
 301 gdb_test "tbreak main" "Breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 302
 303 #
 304 # test break at function in file
 305 #
 306
 307 gdb_test "tbreak $srcfile:factorial" "Breakpoint.*at.* file .*$srcfile, line.*" \
 308         "Temporary breakpoint function in file"
 309
 310 #
 311 # test break at line number
 312 #
 313 send_gdb "tbreak $bp_location1\n"
 314 gdb_expect {
 315     -re "Breakpoint.*at.* file .*$srcfile, line $bp_location1.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
 316         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number #1" }
 317         timeout     { fail "breakpoint line number #1 (timeout)" }
 318 }
 319
 320 gdb_test "tbreak $bp_location6" "Breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"
 321
 322 #
 323 # test break at line number in file
 324 #
 325 send_gdb "tbreak $srcfile:$bp_location2\n"
 326 gdb_expect {
 327     -re "Breakpoint.*at.* file .*$srcfile, line $bp_location2.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
 328         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number in file #1" }
 329         timeout     { fail "Temporary breakpoint line number in file #1 (timeout)" }
 330 }
 331
 332 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
 333 gdb_test  "tbreak $srcfile:$bp_location11" "Breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
 334
 335 #
 336 # check to see what breakpoints are set (temporary this time)
 337 #
 338 gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
 339 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
 340 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial at .*$srcfile:$bp_location7.*\[\r\n\]
 341 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
 342 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
 343 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
 344 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location11.*" \
 345     "Temporary breakpoint info"
 346
 347
 348 #***********
 349
 350 # Verify that catchpoints for fork, vfork and exec don't trigger
 351 # inappropriately.  (There are no calls to those system functions
 352 # in this test program.)
 353 #
 354 if ![runto_main] then { fail "break tests suppressed" }
 355
 356 send_gdb "catch\n"
 357 gdb_expect {
 358   -re "Catch requires an event name.*$gdb_prompt $"\
 359           {pass "catch requires an event name"}
 360   -re "$gdb_prompt $"\
 361           {fail "catch requires an event name"}
 362   timeout {fail "(timeout) catch requires an event name"}
 363 }
 364
 365
 366 set name "set catch fork, never expected to trigger"
 367 send_gdb "catch fork\n"
 368 gdb_expect {
 369   -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
 370           {pass $name}
 371   -re "Catch of fork not yet implemented.*$gdb_prompt $"
 372           {pass $name}
 373   -re "$gdb_prompt $"
 374           {fail $name}
 375   timeout {fail "(timeout) $name"}
 376 }
 377
 378
 379 set name "set catch vfork, never expected to trigger"
 380 send_gdb "catch vfork\n"
 381
 382 # If we are on HP-UX 10.20, we expect an error message to be
 383 # printed if we type "catch vfork" at the gdb gdb_prompt.  This is
 384 # because on HP-UX 10.20, we cannot catch vfork events.
 385
 386 if [istarget "hppa*-hp-hpux10.20"] then {
 387     gdb_expect {
 388         -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
 389                 {pass $name}
 390         -re "$gdb_prompt $"
 391                 {fail $name}
 392         timeout {fail "(timeout) $name"}
 393     }
 394 } else {
 395     gdb_expect {
 396         -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
 397                 {pass $name}
 398         -re "Catch of vfork not yet implemented.*$gdb_prompt $"
 399                 {pass $name}
 400         -re "$gdb_prompt $"
 401                 {fail $name}
 402         timeout {fail "(timeout) $name"}
 403     }
 404 }
 405
 406 set name "set catch exec, never expected to trigger"
 407 send_gdb "catch exec\n"
 408 gdb_expect {
 409   -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
 410           {pass $name}
 411   -re "Catch of exec not yet implemented.*$gdb_prompt $"
 412           {pass $name}
 413   -re "$gdb_prompt $" {fail $name}
 414   timeout {fail "(timeout) $name"}
 415 }
 416
 417 # Verify that GDB responds gracefully when asked to set a breakpoint
 418 # on a nonexistent source line.
 419 #
 420 send_gdb "break 999\n"
 421 gdb_expect {
 422   -re "No line 999 in file .*$gdb_prompt $"\
 423           {pass "break on non-existent source line"}
 424   -re "$gdb_prompt $"\
 425           {fail "break on non-existent source line"}
 426   timeout {fail "(timeout) break on non-existent source line"}
 427 }
 428
 429 # Run to the desired default location. If not positioned here, the
 430 # tests below don't work.
 431 #
 432 gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1"
 433
 434
 435 # Verify that GDB allows one to just say "break", which is treated
 436 # as the "default" breakpoint.  Note that GDB gets cute when printing
 437 # the informational message about other breakpoints at the same
 438 # location.  We'll hit that bird with this stone too.
 439 #
 440 send_gdb "break\n"
 441 gdb_expect {
 442   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 443           {pass "break on default location, 1st time"}
 444   -re "$gdb_prompt $"\
 445           {fail "break on default location, 1st time"}
 446   timeout {fail "(timeout) break on default location, 1st time"}
 447 }
 448
 449 send_gdb "break\n"
 450 gdb_expect {
 451   -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 452           {pass "break on default location, 2nd time"}
 453   -re "$gdb_prompt $"\
 454           {fail "break on default location, 2nd time"}
 455   timeout {fail "(timeout) break on default location, 2nd time"}
 456 }
 457
 458 send_gdb "break\n"
 459 gdb_expect {
 460   -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 461           {pass "break on default location, 3rd time"}
 462   -re "$gdb_prompt $"\
 463           {fail "break on default location, 3rd time"}
 464   timeout {fail "(timeout) break on default location, 3rd time"}
 465 }
 466
 467 send_gdb "break\n"
 468 gdb_expect {
 469   -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 470           {pass "break on default location, 4th time"}
 471   -re "$gdb_prompt $"\
 472           {fail "break on default location, 4th time"}
 473   timeout {fail "(timeout) break on default location, 4th time"}
 474 }
 475
 476 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
 477 # "silent" about its triggering.
 478 #
 479 if ![runto_main] then { fail "break tests suppressed" }
 480
 481 send_gdb "break $bp_location1\n"
 482 gdb_expect {
 483   -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $"\
 484           {pass "set to-be-silent break bp_location1"}
 485   -re "$gdb_prompt $"\
 486           {fail "set to-be-silent break bp_location1"}
 487   timeout {fail "(timeout) set to-be-silent break bp_location1"}
 488 }
 489
 490 send_gdb "commands $expect_out(1,string)\n"
 491 send_gdb "silent\n"
 492 send_gdb "end\n"
 493 gdb_expect {
 494   -re ".*$gdb_prompt $"\
 495           {pass "set silent break bp_location1"}
 496   timeout {fail "(timeout) set silent break bp_location1"}
 497 }
 498
 499 send_gdb "info break $expect_out(1,string)\n"
 500 gdb_expect {
 501   -re "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*$gdb_prompt $"\
 502           {pass "info silent break bp_location1"}
 503   -re "$gdb_prompt $"\
 504           {fail "info silent break bp_location1"}
 505   timeout {fail "(timeout) info silent break bp_location1"}
 506 }
 507 send_gdb "continue\n"
 508 gdb_expect {
 509   -re "Continuing.\r\n$gdb_prompt $"\
 510           {pass "hit silent break bp_location1"}
 511   -re "$gdb_prompt $"\
 512           {fail "hit silent break bp_location1"}
 513   timeout {fail "(timeout) hit silent break bp_location1"}
 514 }
 515 send_gdb "bt\n"
 516 gdb_expect {
 517   -re "#0  main .* at .*:$bp_location1.*$gdb_prompt $"\
 518           {pass "stopped for silent break bp_location1"}
 519   -re "$gdb_prompt $"\
 520           {fail "stopped for silent break bp_location1"}
 521   timeout {fail "(timeout) stopped for silent break bp_location1"}
 522 }
 523
 524 # Verify that GDB can at least parse a breakpoint with the
 525 # "thread" keyword.  (We won't attempt to test here that a
 526 # thread-specific breakpoint really triggers appropriately.
 527 # The gdb.threads subdirectory contains tests for that.)
 528 #
 529 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
 530 send_gdb "break $bp_location12 thread 999\n"
 531 gdb_expect {
 532   -re "Unknown thread 999.*$gdb_prompt $"\
 533           {pass "thread-specific breakpoint on non-existent thread disallowed"}
 534   -re "$gdb_prompt $"\
 535           {fail "thread-specific breakpoint on non-existent thread disallowed"}
 536   timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
 537 }
 538 send_gdb "break $bp_location12 thread foo\n"
 539 gdb_expect {
 540   -re "Junk after thread keyword..*$gdb_prompt $"\
 541           {pass "thread-specific breakpoint on bogus thread ID disallowed"}
 542   -re "$gdb_prompt $"\
 543           {fail "thread-specific breakpoint on bogus thread ID disallowed"}
 544   timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
 545 }
 546
 547 # Verify that GDB responds gracefully to a breakpoint command with
 548 # trailing garbage.
 549 #
 550 send_gdb "break $bp_location12 foo\n"
 551 gdb_expect {
 552   -re "Junk at end of arguments..*$gdb_prompt $"\
 553           {pass "breakpoint with trailing garbage disallowed"}
 554   -re "$gdb_prompt $"\
 555           {fail "breakpoint with trailing garbage disallowed"}
 556   timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}
 557 }
 558
 559 # Verify that GDB responds gracefully to a "clear" command that has
 560 # no matching breakpoint.  (First, get us off the current source line,
 561 # which we know has a breakpoint.)
 562 #
 563 send_gdb "next\n"
 564 gdb_expect {
 565   -re ".*$gdb_prompt $"\
 566           {pass "step over breakpoint"}
 567   timeout {fail "(timeout) step over breakpoint"}
 568 }
 569 send_gdb "clear 81\n"
 570 gdb_expect {
 571   -re "No breakpoint at 81..*$gdb_prompt $"\
 572           {pass "clear line has no breakpoint disallowed"}
 573   -re "$gdb_prompt $"\
 574           {fail "clear line has no breakpoint disallowed"}
 575   timeout {fail "(timeout) clear line has no breakpoint disallowed"}
 576 }
 577 send_gdb "clear\n"
 578 gdb_expect {
 579   -re "No breakpoint at this line..*$gdb_prompt $"\
 580           {pass "clear current line has no breakpoint disallowed"}
 581   -re "$gdb_prompt $"\
 582           {fail "clear current line has no breakpoint disallowed"}
 583   timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
 584 }
 585
 586 # Verify that we can set and clear multiple breakpoints.
 587 #
 588 # We don't test that it deletes the correct breakpoints.  We do at
 589 # least test that it deletes more than one breakpoint.
 590 #
 591 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
 592 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
 593 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
 594
 595 # Verify that a breakpoint can be set via a convenience variable.
 596 #
 597 send_gdb "set \$foo=$bp_location11\n"
 598 gdb_expect {
 599   -re "$gdb_prompt $"\
 600           {pass "set convenience variable \$foo to bp_location11"}
 601   timeout {fail "(timeout) set convenience variable \$foo to bp_location11"}
 602 }
 603 send_gdb "break \$foo\n"
 604 gdb_expect {
 605   -re "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*$gdb_prompt $"\
 606           {pass "set breakpoint via convenience variable"}
 607   -re "$gdb_prompt $"\
 608           {fail "set breakpoint via convenience variable"}
 609   timeout {fail "(timeout) set breakpoint via convenience variable"}
 610 }
 611
 612 # Verify that GDB responds gracefully to an attempt to set a
 613 # breakpoint via a convenience variable whose type is not integer.
 614 #
 615 send_gdb "set \$foo=81.5\n"
 616 gdb_expect {
 617   -re "$gdb_prompt $"\
 618           {pass "set convenience variable \$foo to 81.5"}
 619   timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
 620 }
 621 send_gdb "break \$foo\n"
 622 gdb_expect {
 623   -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\
 624           {pass "set breakpoint via non-integer convenience variable disallowed"}
 625   -re "$gdb_prompt $"\
 626           {fail "set breakpoint via non-integer convenience variable disallowed"}
 627   timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}
 628 }
 629
 630 # Verify that we can set and trigger a breakpoint in a user-called function.
 631 #
 632 send_gdb "break marker2\n"
 633 gdb_expect {
 634     -re "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*$gdb_prompt $"\
 635           {pass "set breakpoint on to-be-called function"}
 636   -re "$gdb_prompt $"\
 637           {fail "set breakpoint on to-be-called function"}
 638   timeout {fail "(timeout) set breakpoint on to-be-called function"}
 639 }
 640 send_gdb "print marker2(99)\n"
 641 gdb_expect {
 642   -re "The program being debugged stopped while in a function called from GDB.\r\nWhen the function .marker2. is done executing, GDB will silently\r\nstop .instead of continuing to evaluate the expression containing\r\nthe function call...*$gdb_prompt $"\
 643           {pass "hit breakpoint on called function"}
 644   -re "$gdb_prompt $"\
 645           {fail "hit breakpoint on called function"}
 646   timeout {fail "(timeout) hit breakpoint on called function"}
 647 }
 648
 649 # As long as we're stopped (breakpointed) in a called function,
 650 # verify that we can successfully backtrace & such from here.
 651 #
 652 # In this and the following test, the _sr4export check apparently is needed
 653 # for hppa*-*-hpux.
 654 #
 655 send_gdb "bt\n"
 656 gdb_expect {
 657     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $"\
 658             {pass "backtrace while in called function"}
 659     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $"\
 660             {pass "backtrace while in called function"}
 661     -re "$gdb_prompt $"\
 662             {fail "backtrace while in called function"}
 663     timeout {fail "(timeout) backtrace while in called function"}
 664 }
 665
 666 # Return from the called function.  For remote targets, it's important to do
 667 # this before runto_main, which otherwise may silently stop on the dummy
 668 # breakpoint inserted by GDB at the program's entry point.
 669 #
 670 send_gdb "finish\n"
 671 gdb_expect {
 672     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $"\
 673             {pass "finish from called function"}
 674     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $"\
 675             {pass "finish from called function"}
 676     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $"\
 677             {pass "finish from called function"}
 678     -re "$gdb_prompt $"\
 679             {fail "finish from called function"}
 680     timeout {fail "(timeout) finish from called function"}
 681 }
 682
 683 # Verify that GDB responds gracefully to a "finish" command with
 684 # arguments.
 685 #
 686 if ![runto_main] then { fail "break tests suppressed" }
 687
 688 send_gdb "finish 123\n"
 689 gdb_expect {
 690   -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
 691           {pass "finish with arguments disallowed"}
 692   -re "$gdb_prompt $"\
 693           {fail "finish with arguments disallowed"}
 694   timeout {fail "(timeout) finish with arguments disallowed"}
 695 }
 696
 697 # Verify that GDB responds gracefully to a request to "finish" from
 698 # the outermost frame.  On a stub that never exits, this will just
 699 # run to the stubs routine, so we don't get this error...  Thus the
 700 # second condition.
 701 #
 702
 703 send_gdb "finish\n"
 704 gdb_expect {
 705   -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
 706           {pass "finish from outermost frame disallowed"}
 707   -re "Run till exit from.*\r\n$gdb_prompt $" {
 708      pass "finish from outermost frame disallowed"
 709   }
 710   -re "$gdb_prompt $"\
 711           {fail "finish from outermost frame disallowed"}
 712   timeout {fail "(timeout) finish from outermost frame disallowed"}
 713 }
 714
 715 # Verify that we can explicitly ask GDB to stop on all shared library
 716 # events, and that it does so.
 717 #
 718 if [istarget "hppa*-*-hpux*"] then {
 719   if ![runto_main] then { fail "break tests suppressed" }
 720
 721   send_gdb "set stop-on-solib-events 1\n"
 722   gdb_expect {
 723     -re "$gdb_prompt $"\
 724             {pass "set stop-on-solib-events"}
 725     timeout {fail "(timeout) set stop-on-solib-events"}
 726   }
 727
 728   send_gdb "run\n"
 729   gdb_expect {
 730     -re ".*Start it from the beginning.*y or n. $"\
 731             {send_gdb "y\n"
 732              gdb_expect {
 733                -re ".*Stopped due to shared library event.*$gdb_prompt $"\
 734                        {pass "triggered stop-on-solib-events"}
 735                -re "$gdb_prompt $"\
 736                        {fail "triggered stop-on-solib-events"}
 737                timeout {fail "(timeout) triggered stop-on-solib-events"}
 738              }
 739             }
 740     -re "$gdb_prompt $"\
 741             {fail "rerun for stop-on-solib-events"}
 742     timeout {fail "(timeout) rerun for stop-on-solib-events"}
 743   }
 744
 745   send_gdb "set stop-on-solib-events 0\n"
 746   gdb_expect {
 747     -re "$gdb_prompt $"\
 748             {pass "reset stop-on-solib-events"}
 749     timeout {fail "(timeout) reset stop-on-solib-events"}
 750   }
 751 }
 752
 753 # Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
 754 # gracefully responds to requests to create them.
 755 #
 756 if [istarget "hppa*-*-hpux*"] then {
 757   if ![runto_main] then { fail "break tests suppressed" }
 758
 759   send_gdb "hbreak\n"
 760   gdb_expect {
 761     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 762             {pass "hw breaks disallowed"}
 763     -re "$gdb_prompt $"\
 764             {fail "hw breaks disallowed"}
 765     timeout {fail "(timeout) hw breaks disallowed"}
 766   }
 767
 768   send_gdb "thbreak\n"
 769   gdb_expect {
 770     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 771             {pass "temporary hw breaks disallowed"}
 772     -re "$gdb_prompt $"\
 773             {fail "temporary hw breaks disallowed"}
 774     timeout {fail "(timeout) temporary hw breaks disallowed"}
 775   }
 776 }
 777
 778 #********
 779
 780
 781 #
 782 # Test "next" over recursive function call.
 783 #
 784
 785 proc test_next_with_recursion {} {
 786     global gdb_prompt
 787     global decimal
 788     global binfile
 789
 790     if [target_info exists use_gdb_stub] {
 791         # Reload the program.
 792         delete_breakpoints
 793         gdb_load ${binfile};
 794     } else {
 795         # FIXME: should be using runto
 796         gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
 797
 798         delete_breakpoints
 799     }
 800
 801     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 802
 803     # Run until we call factorial with 6
 804
 805     if [istarget "*-*-vxworks*"] then {
 806         send_gdb "run vxmain \"6\"\n"
 807     } else {
 808         gdb_run_cmd
 809     }
 810     gdb_expect {
 811         -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
 812         -re ".*$gdb_prompt $" {
 813             fail "run to factorial(6)";
 814             gdb_suppress_tests;
 815         }
 816         timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
 817     }
 818
 819     # Continue until we call factorial recursively with 5.
 820
 821     if [gdb_test "continue" \
 822         "Continuing.*Break.* factorial .value=5. .*" \
 823         "continue to factorial(5)"] then { gdb_suppress_tests }
 824
 825     # Do a backtrace just to confirm how many levels deep we are.
 826
 827     if [gdb_test "backtrace" \
 828         "#0\[ \t\]+ factorial .value=5..*" \
 829         "backtrace from factorial(5)"] then { gdb_suppress_tests }
 830
 831     # Now a "next" should position us at the recursive call, which
 832     # we will be performing with 4.
 833
 834     if [gdb_test "next" \
 835         ".* factorial .value - 1.;.*" \
 836         "next to recursive call"] then { gdb_suppress_tests }
 837
 838     # Disable the breakpoint at the entry to factorial by deleting them all.
 839     # The "next" should run until we return to the next line from this
 840     # recursive call to factorial with 4.
 841     # Buggy versions of gdb will stop instead at the innermost frame on
 842     # the line where we are trying to "next" to.
 843
 844     delete_breakpoints
 845
 846     if [istarget "mips*tx39-*"] {
 847         set timeout 60
 848     }
 849     # We used to set timeout here for all other targets as well.  This
 850     # is almost certainly wrong.  The proper timeout depends on the
 851     # target system in use, and how we communicate with it, so there
 852     # is no single value appropriate for all targets.  The timeout
 853     # should be established by the Dejagnu config file(s) for the
 854     # board, and respected by the test suite.
 855     #
 856     # For example, if I'm running GDB over an SSH tunnel talking to a
 857     # portmaster in California talking to an ancient 68k board running
 858     # a crummy ROM monitor (a situation I can only wish were
 859     # hypothetical), then I need a large timeout.  But that's not the
 860     # kind of knowledge that belongs in this file.
 861
 862     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 863             "next over recursive call"
 864
 865     # OK, we should be back in the same stack frame we started from.
 866     # Do a backtrace just to confirm.
 867
 868     set result [gdb_test "backtrace" \
 869             "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 870             "backtrace from factorial(5.1)"]
 871     if { $result != 0 } { gdb_suppress_tests }
 872
 873     if [target_info exists gdb,noresults] { gdb_suppress_tests }
 874   gdb_continue_to_end "recursive next test"
 875    gdb_stop_suppressing_tests;
 876 }
 877
 878 test_next_with_recursion
 879
 880
 881 #********
 882
 883 # now move the .debug file to a different location so that we can test
 884 # the "set debug-file-directory" command.
 885
 886 remote_exec build "mv ${objdir}/${subdir}/.debug/${testfile}.debug ${objdir}/${subdir}"
 887 gdb_exit
 888 gdb_start
 889 gdb_reinitialize_dir $srcdir/$subdir
 890 gdb_test "set debug-file-directory ${objdir}/${subdir}" ".*" "set separate debug location"
 891 gdb_load ${binfile}
 892
 893 if [target_info exists gdb_stub] {
 894     gdb_step_for_stub;
 895 }
 896
 897 #
 898 # test break at function
 899 #
 900 gdb_test "break main" \
 901     "Breakpoint.*at.* file .*$srcfile, line.*" \
 902     "breakpoint function, optimized file"
 903
 904 #
 905 # test break at function
 906 #
 907 gdb_test "break marker4" \
 908     "Breakpoint.*at.* file .*$srcfile, 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"]
 954 set bp_location14 [gdb_get_line_number "set breakpoint 14 here"]
 955 send_gdb "continue\n"
 956 gdb_expect {
 957     -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$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, $hex in marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 961         pass "run until breakpoint set at small function, optimized file"
 962     }
 963     -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$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 }