gdb/testsuite/gdb.base/sepdebug.exp

   1 #   Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
   2 #   2000, 2002, 2003, 2004, 2007, 2008, 2009, 2010
   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 3 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, see <http://www.gnu.org/licenses/>.
  17
  18 # Based on break.exp, written by Rob Savoye. (rob@cygnus.com)
  19 # Modified to test gdb's handling of separate debug info files.
  20 # Modified to test gdb's handling of a debug-id retrieval.
  21
  22 # This file has two parts. The first is testing that gdb behaves
  23 # normally after reading in an executable and its corresponding
  24 # separate debug file. The second moves the .debug file to a different
  25 # location and tests the "set debug-file-directory" command.
  26 # The third is for testing build-id retrievel by finding the separate
  27 # ".debug-id/ab/cdef.debug" file.
  28
  29
  30 if $tracelevel then {
  31     strace $tracelevel
  32 }
  33
  34 #
  35 # test running programs
  36 #
  37 set prms_id 0
  38 set bug_id 0
  39
  40 set testfile "sepdebug"
  41 set srcfile ${testfile}.c
  42 set binfile ${objdir}/${subdir}/${testfile}${EXEEXT}
  43
  44 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  45     untested sepdebug.exp
  46     return -1
  47 }
  48
  49 # Note: the procedure gdb_gnu_strip_debug will produce an executable called
  50 # ${binfile}, which is just like the executable ($binfile) but without
  51 # the debuginfo. Instead $binfile has a .gnudebuglink section which contains
  52 # the name of a debuginfo only file. This file will be stored in the
  53 # gdb.base/.debug subdirectory.
  54
  55 if [gdb_gnu_strip_debug $binfile] {
  56     # check that you have a recent version of strip and objcopy installed
  57     unsupported "cannot produce separate debug info files"
  58     return -1
  59 }
  60
  61 gdb_exit
  62 gdb_start
  63 gdb_reinitialize_dir $srcdir/$subdir
  64 gdb_load ${binfile}
  65 if { $gdb_file_cmd_debug_info != "debug" } then {
  66     fail "No debug information found."
  67 }
  68
  69 if [target_info exists gdb_stub] {
  70     gdb_step_for_stub;
  71 }
  72 #
  73 # test simple breakpoint setting commands
  74 #
  75
  76 # Test deleting all breakpoints when there are none installed,
  77 # GDB should not prompt for confirmation.
  78 # Note that gdb-init.exp provides a "delete_breakpoints" proc
  79 # for general use elsewhere.
  80
  81 send_gdb "delete breakpoints\n"
  82 gdb_expect {
  83      -re "Delete all breakpoints.*$" {
  84             send_gdb "y\n"
  85             gdb_expect {
  86                 -re "$gdb_prompt $" {
  87                     fail "Delete all breakpoints when none (unexpected prompt)"
  88                 }
  89                 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
  90             }
  91         }
  92      -re ".*$gdb_prompt $"       { pass "Delete all breakpoints when none" }
  93     timeout                 { fail "Delete all breakpoints when none (timeout)" }
  94 }
  95
  96 #
  97 # test break at function
  98 #
  99 gdb_test "break main" \
 100     "Breakpoint.*at.* file .*$srcfile, line.*" \
 101     "breakpoint function"
 102
 103 #
 104 # test break at quoted function
 105 #
 106 gdb_test "break \"marker2\"" \
 107     "Breakpoint.*at.* file .*$srcfile, line.*" \
 108     "breakpoint quoted function"
 109
 110 #
 111 # test break at function in file
 112 #
 113 gdb_test "break $srcfile:factorial" \
 114     "Breakpoint.*at.* file .*$srcfile, line.*" \
 115     "breakpoint function in file"
 116
 117 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
 118
 119 #
 120 # test break at line number
 121 #
 122 # Note that the default source file is the last one whose source text
 123 # was printed.  For native debugging, before we've executed the
 124 # program, this is the file containing main, but for remote debugging,
 125 # it's wherever the processor was stopped when we connected to the
 126 # board.  So, to be sure, we do a list command.
 127 #
 128 gdb_test "list main" \
 129     ".*main \\(argc, argv, envp\\).*" \
 130     "use `list' to establish default source file"
 131 gdb_test "break $bp_location1" \
 132     "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
 133     "breakpoint line number"
 134
 135 #
 136 # test duplicate breakpoint
 137 #
 138 gdb_test "break $bp_location1" \
 139     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
 140     "breakpoint duplicate"
 141
 142 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
 143
 144 #
 145 # test break at line number in file
 146 #
 147 gdb_test "break $srcfile:$bp_location2" \
 148     "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
 149     "breakpoint line number in file"
 150
 151 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
 152 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
 153
 154 #
 155 # Test putting a break at the start of a multi-line if conditional.
 156 # Verify the breakpoint was put at the start of the conditional.
 157 #
 158 gdb_test "break multi_line_if_conditional" \
 159     "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
 160     "breakpoint at start of multi line if conditional"
 161
 162 gdb_test "break multi_line_while_conditional" \
 163     "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
 164     "breakpoint at start of multi line while conditional"
 165
 166 set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
 167 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 168
 169 #
 170 # check to see what breakpoints are set
 171 #
 172 if [target_info exists gdb_stub] {
 173     set main_line $bp_location5
 174 } else {
 175     set main_line $bp_location6
 176 }
 177
 178 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
 179 set bp_location8 [gdb_get_line_number "set breakpoint 8 here"]
 180 set bp_location9 [gdb_get_line_number "set breakpoint 9 here"]
 181
 182 gdb_test "info break" \
 183     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 184 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*
 185 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker2 at .*$srcfile:($bp_location8|$bp_location9).*
 186 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial at .*$srcfile:$bp_location7.*
 187 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 188 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 189 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location2.*
 190 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
 191 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
 192     "breakpoint info"
 193
 194 # FIXME: The rest of this test doesn't work with anything that can't
 195 # handle arguments.
 196 # Huh? There doesn't *appear* to be anything that passes arguments
 197 # below.
 198 if [istarget "mips-idt-*"] then {
 199     return
 200 }
 201
 202 #
 203 # run until the breakpoint at main is hit. For non-stubs-using targets.
 204 #
 205 gdb_run_cmd
 206 gdb_expect {
 207     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 208         pass "run until function breakpoint"
 209     }
 210     -re "$gdb_prompt $" {
 211         fail "run until function breakpoint"
 212     }
 213     timeout {
 214         fail "run until function breakpoint (timeout)"
 215     }
 216 }
 217
 218 #
 219 # run until the breakpoint at a line number
 220 #
 221 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
 222                         "run until breakpoint set at a line number"
 223
 224 #
 225 # Run until the breakpoint set in a function in a file
 226 #
 227 for {set i 6} {$i >= 1} {incr i -1} {
 228         gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
 229                         "run until file:function($i) breakpoint"
 230 }
 231
 232 #
 233 # Run until the breakpoint set at a quoted function
 234 #
 235 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile:($bp_location8|$bp_location9).*" \
 236                 "run until quoted breakpoint"
 237 #
 238 # run until the file:function breakpoint at a line number in a file
 239 #
 240 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
 241                 "run until file:linenum breakpoint"
 242
 243 # Test break at offset +1
 244 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
 245
 246 gdb_test "break +1" \
 247     "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
 248     "breakpoint offset +1"
 249
 250 # Check to see if breakpoint is hit when stepped onto
 251
 252 gdb_test "step" \
 253     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
 254     "step onto breakpoint"
 255
 256 #
 257 # delete all breakpoints so we can start over, course this can be a test too
 258 #
 259 delete_breakpoints
 260
 261 #
 262 # test temporary breakpoint at function
 263 #
 264
 265 gdb_test "tbreak main" "Temporary breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 266
 267 #
 268 # test break at function in file
 269 #
 270
 271 gdb_test "tbreak $srcfile:factorial" "Temporary breakpoint.*at.* file .*$srcfile, line.*" \
 272         "Temporary breakpoint function in file"
 273
 274 #
 275 # test break at line number
 276 #
 277 send_gdb "tbreak $bp_location1\n"
 278 gdb_expect {
 279     -re "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location1.*$gdb_prompt $" { pass "Temporary breakpoint line number #1" }
 280         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number #1" }
 281         timeout     { fail "breakpoint line number #1 (timeout)" }
 282 }
 283
 284 gdb_test "tbreak $bp_location6" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"
 285
 286 #
 287 # test break at line number in file
 288 #
 289 send_gdb "tbreak $srcfile:$bp_location2\n"
 290 gdb_expect {
 291     -re "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location2.*$gdb_prompt $" { pass "Temporary breakpoint line number in file #1" }
 292         -re ".*$gdb_prompt $"   { pass "Temporary breakpoint line number in file #1" }
 293         timeout     { fail "Temporary breakpoint line number in file #1 (timeout)" }
 294 }
 295
 296 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
 297 gdb_test  "tbreak $srcfile:$bp_location11" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
 298
 299 #
 300 # check to see what breakpoints are set (temporary this time)
 301 #
 302 gdb_test "info break" "Num     Type.*Disp Enb Address.*What.*\[\r\n\]
 303 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
 304 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial at .*$srcfile:$bp_location7.*\[\r\n\]
 305 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
 306 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
 307 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
 308 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location11.*" \
 309     "Temporary breakpoint info"
 310
 311
 312 #***********
 313
 314 # Verify that catchpoints for fork, vfork and exec don't trigger
 315 # inappropriately.  (There are no calls to those system functions
 316 # in this test program.)
 317 #
 318 if ![runto_main] then { fail "break tests suppressed" }
 319
 320 send_gdb "catch\n"
 321 gdb_expect {
 322   -re "Catch requires an event name.*$gdb_prompt $"\
 323           {pass "catch requires an event name"}
 324   -re "$gdb_prompt $"\
 325           {fail "catch requires an event name"}
 326   timeout {fail "(timeout) catch requires an event name"}
 327 }
 328
 329
 330 set name "set catch fork, never expected to trigger"
 331 send_gdb "catch fork\n"
 332 gdb_expect {
 333   -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $"
 334           {pass $name}
 335   -re "Catch of fork not yet implemented.*$gdb_prompt $"
 336           {pass $name}
 337   -re "$gdb_prompt $"
 338           {fail $name}
 339   timeout {fail "(timeout) $name"}
 340 }
 341
 342
 343 set name "set catch vfork, never expected to trigger"
 344 send_gdb "catch vfork\n"
 345
 346 # If we are on HP-UX 10.20, we expect an error message to be
 347 # printed if we type "catch vfork" at the gdb gdb_prompt.  This is
 348 # because on HP-UX 10.20, we cannot catch vfork events.
 349
 350 if [istarget "hppa*-hp-hpux10.20"] then {
 351     gdb_expect {
 352         -re "Catch of vfork events not supported on HP-UX 10.20..*$gdb_prompt $"
 353                 {pass $name}
 354         -re "$gdb_prompt $"
 355                 {fail $name}
 356         timeout {fail "(timeout) $name"}
 357     }
 358 } else {
 359     gdb_expect {
 360         -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $"
 361                 {pass $name}
 362         -re "Catch of vfork not yet implemented.*$gdb_prompt $"
 363                 {pass $name}
 364         -re "$gdb_prompt $"
 365                 {fail $name}
 366         timeout {fail "(timeout) $name"}
 367     }
 368 }
 369
 370 set name "set catch exec, never expected to trigger"
 371 send_gdb "catch exec\n"
 372 gdb_expect {
 373   -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $"
 374           {pass $name}
 375   -re "Catch of exec not yet implemented.*$gdb_prompt $"
 376           {pass $name}
 377   -re "$gdb_prompt $" {fail $name}
 378   timeout {fail "(timeout) $name"}
 379 }
 380
 381 # Verify that GDB responds gracefully when asked to set a breakpoint
 382 # on a nonexistent source line.
 383 #
 384 send_gdb "break 999\n"
 385 gdb_expect {
 386   -re "No line 999 in file .*$gdb_prompt $"\
 387           {pass "break on non-existent source line"}
 388   -re "$gdb_prompt $"\
 389           {fail "break on non-existent source line"}
 390   timeout {fail "(timeout) break on non-existent source line"}
 391 }
 392
 393 # Run to the desired default location. If not positioned here, the
 394 # tests below don't work.
 395 #
 396 gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1"
 397
 398
 399 # Verify that GDB allows one to just say "break", which is treated
 400 # as the "default" breakpoint.  Note that GDB gets cute when printing
 401 # the informational message about other breakpoints at the same
 402 # location.  We'll hit that bird with this stone too.
 403 #
 404 send_gdb "break\n"
 405 gdb_expect {
 406   -re "Breakpoint \[0-9\]*.*$gdb_prompt $"\
 407           {pass "break on default location, 1st time"}
 408   -re "$gdb_prompt $"\
 409           {fail "break on default location, 1st time"}
 410   timeout {fail "(timeout) break on default location, 1st time"}
 411 }
 412
 413 send_gdb "break\n"
 414 gdb_expect {
 415   -re "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 416           {pass "break on default location, 2nd time"}
 417   -re "$gdb_prompt $"\
 418           {fail "break on default location, 2nd time"}
 419   timeout {fail "(timeout) break on default location, 2nd time"}
 420 }
 421
 422 send_gdb "break\n"
 423 gdb_expect {
 424   -re "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 425           {pass "break on default location, 3rd time"}
 426   -re "$gdb_prompt $"\
 427           {fail "break on default location, 3rd time"}
 428   timeout {fail "(timeout) break on default location, 3rd time"}
 429 }
 430
 431 send_gdb "break\n"
 432 gdb_expect {
 433   -re "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*$gdb_prompt $"\
 434           {pass "break on default location, 4th time"}
 435   -re "$gdb_prompt $"\
 436           {fail "break on default location, 4th time"}
 437   timeout {fail "(timeout) break on default location, 4th time"}
 438 }
 439
 440 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
 441 # "silent" about its triggering.
 442 #
 443 if ![runto_main] then { fail "break tests suppressed" }
 444
 445 send_gdb "break $bp_location1\n"
 446 gdb_expect {
 447   -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $"\
 448           {pass "set to-be-silent break bp_location1"}
 449   -re "$gdb_prompt $"\
 450           {fail "set to-be-silent break bp_location1"}
 451   timeout {fail "(timeout) set to-be-silent break bp_location1"}
 452 }
 453
 454 send_gdb "commands $expect_out(1,string)\n"
 455 send_gdb "silent\n"
 456 send_gdb "end\n"
 457 gdb_expect {
 458   -re ".*$gdb_prompt $"\
 459           {pass "set silent break bp_location1"}
 460   timeout {fail "(timeout) set silent break bp_location1"}
 461 }
 462
 463 send_gdb "info break $expect_out(1,string)\n"
 464 gdb_expect {
 465   -re "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*$gdb_prompt $"\
 466           {pass "info silent break bp_location1"}
 467   -re "$gdb_prompt $"\
 468           {fail "info silent break bp_location1"}
 469   timeout {fail "(timeout) info silent break bp_location1"}
 470 }
 471 send_gdb "continue\n"
 472 gdb_expect {
 473   -re "Continuing.\r\n$gdb_prompt $"\
 474           {pass "hit silent break bp_location1"}
 475   -re "$gdb_prompt $"\
 476           {fail "hit silent break bp_location1"}
 477   timeout {fail "(timeout) hit silent break bp_location1"}
 478 }
 479 send_gdb "bt\n"
 480 gdb_expect {
 481   -re "#0  main .* at .*:$bp_location1.*$gdb_prompt $"\
 482           {pass "stopped for silent break bp_location1"}
 483   -re "$gdb_prompt $"\
 484           {fail "stopped for silent break bp_location1"}
 485   timeout {fail "(timeout) stopped for silent break bp_location1"}
 486 }
 487
 488 # Verify that GDB can at least parse a breakpoint with the
 489 # "thread" keyword.  (We won't attempt to test here that a
 490 # thread-specific breakpoint really triggers appropriately.
 491 # The gdb.threads subdirectory contains tests for that.)
 492 #
 493 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
 494 send_gdb "break $bp_location12 thread 999\n"
 495 gdb_expect {
 496   -re "Unknown thread 999.*$gdb_prompt $"\
 497           {pass "thread-specific breakpoint on non-existent thread disallowed"}
 498   -re "$gdb_prompt $"\
 499           {fail "thread-specific breakpoint on non-existent thread disallowed"}
 500   timeout {fail "(timeout) thread-specific breakpoint on non-existent thread disallowed"}
 501 }
 502 send_gdb "break $bp_location12 thread foo\n"
 503 gdb_expect {
 504   -re "Junk after thread keyword..*$gdb_prompt $"\
 505           {pass "thread-specific breakpoint on bogus thread ID disallowed"}
 506   -re "$gdb_prompt $"\
 507           {fail "thread-specific breakpoint on bogus thread ID disallowed"}
 508   timeout {fail "(timeout) thread-specific breakpoint on bogus thread ID disallowed"}
 509 }
 510
 511 # Verify that GDB responds gracefully to a breakpoint command with
 512 # trailing garbage.
 513 #
 514 send_gdb "break $bp_location12 foo\n"
 515 gdb_expect {
 516   -re "Junk at end of arguments..*$gdb_prompt $"\
 517           {pass "breakpoint with trailing garbage disallowed"}
 518   -re "$gdb_prompt $"\
 519           {fail "breakpoint with trailing garbage disallowed"}
 520   timeout {fail "(timeout) breakpoint with trailing garbage disallowed"}
 521 }
 522
 523 # Verify that GDB responds gracefully to a "clear" command that has
 524 # no matching breakpoint.  (First, get us off the current source line,
 525 # which we know has a breakpoint.)
 526 #
 527 send_gdb "next\n"
 528 gdb_expect {
 529   -re ".*$gdb_prompt $"\
 530           {pass "step over breakpoint"}
 531   timeout {fail "(timeout) step over breakpoint"}
 532 }
 533 send_gdb "clear 81\n"
 534 gdb_expect {
 535   -re "No breakpoint at 81..*$gdb_prompt $"\
 536           {pass "clear line has no breakpoint disallowed"}
 537   -re "$gdb_prompt $"\
 538           {fail "clear line has no breakpoint disallowed"}
 539   timeout {fail "(timeout) clear line has no breakpoint disallowed"}
 540 }
 541 send_gdb "clear\n"
 542 gdb_expect {
 543   -re "No breakpoint at this line..*$gdb_prompt $"\
 544           {pass "clear current line has no breakpoint disallowed"}
 545   -re "$gdb_prompt $"\
 546           {fail "clear current line has no breakpoint disallowed"}
 547   timeout {fail "(timeout) clear current line has no breakpoint disallowed"}
 548 }
 549
 550 # Verify that we can set and clear multiple breakpoints.
 551 #
 552 # We don't test that it deletes the correct breakpoints.  We do at
 553 # least test that it deletes more than one breakpoint.
 554 #
 555 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
 556 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
 557 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
 558
 559 # Verify that a breakpoint can be set via a convenience variable.
 560 #
 561 send_gdb "set \$foo=$bp_location11\n"
 562 gdb_expect {
 563   -re "$gdb_prompt $"\
 564           {pass "set convenience variable \$foo to bp_location11"}
 565   timeout {fail "(timeout) set convenience variable \$foo to bp_location11"}
 566 }
 567 send_gdb "break \$foo\n"
 568 gdb_expect {
 569   -re "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*$gdb_prompt $"\
 570           {pass "set breakpoint via convenience variable"}
 571   -re "$gdb_prompt $"\
 572           {fail "set breakpoint via convenience variable"}
 573   timeout {fail "(timeout) set breakpoint via convenience variable"}
 574 }
 575
 576 # Verify that GDB responds gracefully to an attempt to set a
 577 # breakpoint via a convenience variable whose type is not integer.
 578 #
 579 send_gdb "set \$foo=81.5\n"
 580 gdb_expect {
 581   -re "$gdb_prompt $"\
 582           {pass "set convenience variable \$foo to 81.5"}
 583   timeout {fail "(timeout) set convenience variable \$foo to 81.5"}
 584 }
 585 send_gdb "break \$foo\n"
 586 gdb_expect {
 587   -re "Convenience variables used in line specs must have integer values..*$gdb_prompt $"\
 588           {pass "set breakpoint via non-integer convenience variable disallowed"}
 589   -re "$gdb_prompt $"\
 590           {fail "set breakpoint via non-integer convenience variable disallowed"}
 591   timeout {fail "(timeout) set breakpoint via non-integer convenience variable disallowed"}
 592 }
 593
 594 # Verify that we can set and trigger a breakpoint in a user-called function.
 595 #
 596 send_gdb "break marker2\n"
 597 gdb_expect {
 598     -re "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*$gdb_prompt $"\
 599           {pass "set breakpoint on to-be-called function"}
 600   -re "$gdb_prompt $"\
 601           {fail "set breakpoint on to-be-called function"}
 602   timeout {fail "(timeout) set breakpoint on to-be-called function"}
 603 }
 604 send_gdb "print marker2(99)\n"
 605 gdb_expect {
 606   -re "The program being debugged stopped while in a function called from GDB.\r\nEvaluation of the expression containing the function\r\n.marker2. will be abandoned.\r\nWhen the function is done executing, GDB will silently stop..*$gdb_prompt $"\
 607           {pass "hit breakpoint on called function"}
 608   -re "$gdb_prompt $"\
 609           {fail "hit breakpoint on called function"}
 610   timeout {fail "(timeout) hit breakpoint on called function"}
 611 }
 612
 613 # As long as we're stopped (breakpointed) in a called function,
 614 # verify that we can successfully backtrace & such from here.
 615 #
 616 # In this and the following test, the _sr4export check apparently is needed
 617 # for hppa*-*-hpux.
 618 #
 619 send_gdb "bt\n"
 620 gdb_expect {
 621     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $"\
 622             {pass "backtrace while in called function"}
 623     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $"\
 624             {pass "backtrace while in called function"}
 625     -re "$gdb_prompt $"\
 626             {fail "backtrace while in called function"}
 627     timeout {fail "(timeout) backtrace while in called function"}
 628 }
 629
 630 # Return from the called function.  For remote targets, it's important to do
 631 # this before runto_main, which otherwise may silently stop on the dummy
 632 # breakpoint inserted by GDB at the program's entry point.
 633 #
 634 send_gdb "finish\n"
 635 gdb_expect {
 636     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $"\
 637             {pass "finish from called function"}
 638     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $"\
 639             {pass "finish from called function"}
 640     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $"\
 641             {pass "finish from called function"}
 642     -re "$gdb_prompt $"\
 643             {fail "finish from called function"}
 644     timeout {fail "(timeout) finish from called function"}
 645 }
 646
 647 # Verify that GDB responds gracefully to a "finish" command with
 648 # arguments.
 649 #
 650 if ![runto_main] then { fail "break tests suppressed" }
 651
 652 send_gdb "finish 123\n"
 653 gdb_expect {
 654   -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
 655           {pass "finish with arguments disallowed"}
 656   -re "$gdb_prompt $"\
 657           {fail "finish with arguments disallowed"}
 658   timeout {fail "(timeout) finish with arguments disallowed"}
 659 }
 660
 661 # Verify that GDB responds gracefully to a request to "finish" from
 662 # the outermost frame.  On a stub that never exits, this will just
 663 # run to the stubs routine, so we don't get this error...  Thus the
 664 # second condition.
 665 #
 666
 667 send_gdb "finish\n"
 668 gdb_expect {
 669   -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $"\
 670           {pass "finish from outermost frame disallowed"}
 671   -re "Run till exit from.*\r\n$gdb_prompt $" {
 672      pass "finish from outermost frame disallowed"
 673   }
 674   -re "$gdb_prompt $"\
 675           {fail "finish from outermost frame disallowed"}
 676   timeout {fail "(timeout) finish from outermost frame disallowed"}
 677 }
 678
 679 # Verify that we can explicitly ask GDB to stop on all shared library
 680 # events, and that it does so.
 681 #
 682 if [istarget "hppa*-*-hpux*"] then {
 683   if ![runto_main] then { fail "break tests suppressed" }
 684
 685   send_gdb "set stop-on-solib-events 1\n"
 686   gdb_expect {
 687     -re "$gdb_prompt $"\
 688             {pass "set stop-on-solib-events"}
 689     timeout {fail "(timeout) set stop-on-solib-events"}
 690   }
 691
 692   send_gdb "run\n"
 693   gdb_expect {
 694     -re ".*Start it from the beginning.*y or n. $"\
 695             {send_gdb "y\n"
 696              gdb_expect {
 697                -re ".*Stopped due to shared library event.*$gdb_prompt $"\
 698                        {pass "triggered stop-on-solib-events"}
 699                -re "$gdb_prompt $"\
 700                        {fail "triggered stop-on-solib-events"}
 701                timeout {fail "(timeout) triggered stop-on-solib-events"}
 702              }
 703             }
 704     -re "$gdb_prompt $"\
 705             {fail "rerun for stop-on-solib-events"}
 706     timeout {fail "(timeout) rerun for stop-on-solib-events"}
 707   }
 708
 709   send_gdb "set stop-on-solib-events 0\n"
 710   gdb_expect {
 711     -re "$gdb_prompt $"\
 712             {pass "reset stop-on-solib-events"}
 713     timeout {fail "(timeout) reset stop-on-solib-events"}
 714   }
 715 }
 716
 717 # Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
 718 # gracefully responds to requests to create them.
 719 #
 720 if [istarget "hppa*-*-hpux*"] then {
 721   if ![runto_main] then { fail "break tests suppressed" }
 722
 723   send_gdb "hbreak\n"
 724   gdb_expect {
 725     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 726             {pass "hw breaks disallowed"}
 727     -re "$gdb_prompt $"\
 728             {fail "hw breaks disallowed"}
 729     timeout {fail "(timeout) hw breaks disallowed"}
 730   }
 731
 732   send_gdb "thbreak\n"
 733   gdb_expect {
 734     -re "No hardware breakpoint support in the target.*$gdb_prompt $"\
 735             {pass "temporary hw breaks disallowed"}
 736     -re "$gdb_prompt $"\
 737             {fail "temporary hw breaks disallowed"}
 738     timeout {fail "(timeout) temporary hw breaks disallowed"}
 739   }
 740 }
 741
 742 #********
 743
 744
 745 #
 746 # Test "next" over recursive function call.
 747 #
 748
 749 proc test_next_with_recursion {} {
 750     global gdb_prompt
 751     global decimal
 752     global binfile
 753
 754     gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
 755     delete_breakpoints
 756
 757     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 758
 759     # Run until we call factorial with 6
 760
 761     gdb_run_cmd
 762     gdb_expect {
 763         -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
 764         -re ".*$gdb_prompt $" {
 765             fail "run to factorial(6)";
 766             gdb_suppress_tests;
 767         }
 768         timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
 769     }
 770
 771     # Continue until we call factorial recursively with 5.
 772
 773     if [gdb_test "continue" \
 774         "Continuing.*Break.* factorial .value=5. .*" \
 775         "continue to factorial(5)"] then { gdb_suppress_tests }
 776
 777     # Do a backtrace just to confirm how many levels deep we are.
 778
 779     if [gdb_test "backtrace" \
 780         "#0\[ \t\]+ factorial .value=5..*" \
 781         "backtrace from factorial(5)"] then { gdb_suppress_tests }
 782
 783     # Now a "next" should position us at the recursive call, which
 784     # we will be performing with 4.
 785
 786     if [gdb_test "next" \
 787         ".* factorial .value - 1.;.*" \
 788         "next to recursive call"] then { gdb_suppress_tests }
 789
 790     # Disable the breakpoint at the entry to factorial by deleting them all.
 791     # The "next" should run until we return to the next line from this
 792     # recursive call to factorial with 4.
 793     # Buggy versions of gdb will stop instead at the innermost frame on
 794     # the line where we are trying to "next" to.
 795
 796     delete_breakpoints
 797
 798     if [istarget "mips*tx39-*"] {
 799         set timeout 60
 800     }
 801     # We used to set timeout here for all other targets as well.  This
 802     # is almost certainly wrong.  The proper timeout depends on the
 803     # target system in use, and how we communicate with it, so there
 804     # is no single value appropriate for all targets.  The timeout
 805     # should be established by the Dejagnu config file(s) for the
 806     # board, and respected by the test suite.
 807     #
 808     # For example, if I'm running GDB over an SSH tunnel talking to a
 809     # portmaster in California talking to an ancient 68k board running
 810     # a crummy ROM monitor (a situation I can only wish were
 811     # hypothetical), then I need a large timeout.  But that's not the
 812     # kind of knowledge that belongs in this file.
 813
 814     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 815             "next over recursive call"
 816
 817     # OK, we should be back in the same stack frame we started from.
 818     # Do a backtrace just to confirm.
 819
 820     set result [gdb_test "backtrace" \
 821             "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 822             "backtrace from factorial(5.1)"]
 823     if { $result != 0 } { gdb_suppress_tests }
 824
 825     if [target_info exists gdb,noresults] { gdb_suppress_tests }
 826   gdb_continue_to_end "recursive next test"
 827    gdb_stop_suppressing_tests;
 828 }
 829
 830 test_next_with_recursion
 831
 832
 833 #********
 834
 835 proc test_different_dir {type test_different_dir xfail} {
 836     global srcdir subdir objdir binfile srcfile timeout gdb_prompt
 837     global pf_prefix
 838     global bp_location6 decimal hex
 839
 840     set old_pf_prefix $pf_prefix
 841     append pf_prefix " $type:"
 842
 843     gdb_exit
 844     gdb_start
 845     gdb_reinitialize_dir $srcdir/$subdir
 846     gdb_test "set debug-file-directory ${test_different_dir}" ".*" "set separate debug location"
 847     gdb_load ${binfile}
 848
 849     if [target_info exists gdb_stub] {
 850         gdb_step_for_stub;
 851     }
 852
 853     #
 854     # test break at function
 855     #
 856     if {$xfail} {
 857         setup_xfail "*-*-*"
 858     }
 859     gdb_test "break main" \
 860         "Breakpoint.*at.* file .*$srcfile, line.*" \
 861         "breakpoint function, optimized file"
 862
 863     #
 864     # test break at function
 865     #
 866     if {$xfail} {
 867         setup_xfail "*-*-*"
 868     }
 869     gdb_test "break marker4" \
 870         "Breakpoint.*at.* file .*$srcfile, line.*" \
 871         "breakpoint small function, optimized file"
 872
 873     #
 874     # run until the breakpoint at main is hit. For non-stubs-using targets.
 875     #
 876     gdb_run_cmd
 877     if {$xfail} {
 878         setup_xfail "*-*-*"
 879     }
 880     gdb_expect {
 881         -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 882             pass "run until function breakpoint, optimized file"
 883         }
 884         -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
 885             pass "run until function breakpoint, optimized file (code motion)"
 886         }
 887         -re "$gdb_prompt $" {
 888             fail "run until function breakpoint, optimized file"
 889         }
 890         timeout {
 891             fail "run until function breakpoint, optimized file (timeout)"
 892         }
 893     }
 894
 895     #
 896     # run until the breakpoint at a small function
 897     #
 898
 899     #
 900     # Add a second pass pattern.  The behavior differs here between stabs
 901     # and dwarf for one-line functions.  Stabs preserves two line symbols
 902     # (one before the prologue and one after) with the same line number,
 903     # but dwarf regards these as duplicates and discards one of them.
 904     # Therefore the address after the prologue (where the breakpoint is)
 905     # has no exactly matching line symbol, and GDB reports the breakpoint
 906     # as if it were in the middle of a line rather than at the beginning.
 907
 908     set bp_location13 [gdb_get_line_number "set breakpoint 13 here"]
 909     set bp_location14 [gdb_get_line_number "set breakpoint 14 here"]
 910     send_gdb "continue\n"
 911     if {$xfail} {
 912         setup_xfail "*-*-*"
 913     }
 914     gdb_expect {
 915         -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 916             pass "run until breakpoint set at small function, optimized file"
 917         }
 918         -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
 919             pass "run until breakpoint set at small function, optimized file"
 920         }
 921         -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
 922             # marker4() is defined at line 46 when compiled with -DPROTOTYPES
 923             pass "run until breakpoint set at small function, optimized file (line bp_location14)"
 924         }
 925         -re ".*$gdb_prompt " {
 926             fail "run until breakpoint set at small function, optimized file"
 927         }
 928         timeout {
 929             fail "run until breakpoint set at small function, optimized file (timeout)"
 930         }
 931     }
 932
 933
 934     # Reset the default arguments for VxWorks
 935     if [istarget "*-*-vxworks*"] {
 936         set timeout 10
 937         verbose "Timeout is now $timeout seconds" 2
 938         send_gdb "set args main\n"
 939         gdb_expect -re ".*$gdb_prompt $" {}
 940     }
 941
 942     set pf_prefix $old_pf_prefix
 943 # proc test_different_dir
 944 }
 945
 946
 947 # now move the .debug file to a different location so that we can test
 948 # the "set debug-file-directory" command.
 949
 950 remote_exec build "mv ${objdir}/${subdir}/.debug/${testfile}.debug ${objdir}/${subdir}"
 951 set debugfile "${objdir}/${subdir}/${testfile}.debug"
 952
 953 test_different_dir debuglink "${objdir}/${subdir}" 0
 954
 955
 956 # Test CRC mismatch is reported.
 957
 958 if {[build_executable sepdebug.exp sepdebug2 sepdebug2.c debug] != -1
 959     && ![gdb_gnu_strip_debug ${objdir}/${subdir}/sepdebug2]} {
 960
 961     remote_exec build "cp ${debugfile} ${objdir}/${subdir}/.debug/sepdebug2.debug"
 962
 963     gdb_exit
 964     gdb_start
 965     gdb_reinitialize_dir $srcdir/$subdir
 966
 967     set escapedobjdirsubdir [string_to_regexp ${objdir}/${subdir}]
 968
 969     gdb_test "file ${objdir}/${subdir}/sepdebug2" "warning: the debug information found in \"${escapedobjdirsubdir}/\\.debug/sepdebug2\\.debug\" does not match \"${escapedobjdirsubdir}/sepdebug2\" \\(CRC mismatch\\)\\..*\\(no debugging symbols found\\).*" "CRC mismatch is reported"
 970 }
 971
 972
 973 # NT_GNU_BUILD_ID / .note.gnu.build-id test:
 974
 975 set build_id_debug_filename [build_id_debug_filename_get $binfile]
 976 if ![string compare $build_id_debug_filename ""] then {
 977     unsupported "build-id is not supported by the compiler"
 978
 979     # Spare debug files may confuse testsuite runs in the future.
 980     remote_exec build "rm -f $debugfile"
 981 } else {
 982     set build_id_debugself_filename [build_id_debug_filename_get $debugfile]
 983     set test "build-id support by binutils"
 984     set xfail 0
 985     if ![string compare $build_id_debugself_filename ""] then {
 986         unsupported $test
 987         set xfail 1
 988     } elseif {[string compare $build_id_debugself_filename $build_id_debug_filename] != 0} then {
 989         fail $test
 990     } else {
 991         pass $test
 992     }
 993
 994     file mkdir [file dirname ${objdir}/${subdir}/${build_id_debug_filename}]
 995     remote_exec build "mv $debugfile ${objdir}/${subdir}/${build_id_debug_filename}"
 996
 997     test_different_dir build-id "${objdir}/${subdir}" $xfail
 998
 999     # Test also multiple directories can be specified.  Without the build-id
1000     # reference GDB would find the separate debug info just at the same
1001     # location as the executable file.
1002
1003     test_different_dir multiple-dirs "/doesnotexist:${objdir}/${subdir}" $xfail
1004
1005     # Spare debug files may confuse testsuite runs in the future.
1006     remote_exec build "rm -f ${objdir}/${subdir}/${build_id_debug_filename}"
1007 }