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
  38 set testfile "sepdebug"
  39 set srcfile ${testfile}.c
  40 set binfile ${objdir}/${subdir}/${testfile}${EXEEXT}
  41
  42 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  43     untested sepdebug.exp
  44     return -1
  45 }
  46
  47 # Note: the procedure gdb_gnu_strip_debug will produce an executable called
  48 # ${binfile}, which is just like the executable ($binfile) but without
  49 # the debuginfo. Instead $binfile has a .gnudebuglink section which contains
  50 # the name of a debuginfo only file. This file will be stored in the
  51 # gdb.base/ subdirectory.
  52
  53 if [gdb_gnu_strip_debug $binfile] {
  54     # check that you have a recent version of strip and objcopy installed
  55     unsupported "cannot produce separate debug info files"
  56     return -1
  57 }
  58
  59 gdb_exit
  60 gdb_start
  61 gdb_reinitialize_dir $srcdir/$subdir
  62 gdb_load ${binfile}
  63 if { $gdb_file_cmd_debug_info != "debug" } then {
  64     fail "No debug information found."
  65 }
  66
  67 if [target_info exists gdb_stub] {
  68     gdb_step_for_stub;
  69 }
  70 #
  71 # test simple breakpoint setting commands
  72 #
  73
  74 #
  75 # test break at function
  76 #
  77 gdb_test "break main" \
  78     "Breakpoint.*at.* file .*$srcfile, line.*" \
  79     "breakpoint function"
  80
  81 #
  82 # test break at quoted function
  83 #
  84 gdb_test "break \"marker2\"" \
  85     "Breakpoint.*at.* file .*$srcfile, line.*" \
  86     "breakpoint quoted function"
  87
  88 #
  89 # test break at function in file
  90 #
  91 gdb_test "break $srcfile:factorial" \
  92     "Breakpoint.*at.* file .*$srcfile, line.*" \
  93     "breakpoint function in file"
  94
  95 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  96
  97 #
  98 # test break at line number
  99 #
 100 # Note that the default source file is the last one whose source text
 101 # was printed.  For native debugging, before we've executed the
 102 # program, this is the file containing main, but for remote debugging,
 103 # it's wherever the processor was stopped when we connected to the
 104 # board.  So, to be sure, we do a list command.
 105 #
 106 gdb_test "list main" \
 107     ".*main \\(argc, argv, envp\\).*" \
 108     "use `list' to establish default source file"
 109 gdb_test "break $bp_location1" \
 110     "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
 111     "breakpoint line number"
 112
 113 #
 114 # test duplicate breakpoint
 115 #
 116 gdb_test "break $bp_location1" \
 117     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
 118     "breakpoint duplicate"
 119
 120 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
 121
 122 #
 123 # test break at line number in file
 124 #
 125 gdb_test "break $srcfile:$bp_location2" \
 126     "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
 127     "breakpoint line number in file"
 128
 129 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
 130 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
 131
 132 #
 133 # Test putting a break at the start of a multi-line if conditional.
 134 # Verify the breakpoint was put at the start of the conditional.
 135 #
 136 gdb_test "break multi_line_if_conditional" \
 137     "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
 138     "breakpoint at start of multi line if conditional"
 139
 140 gdb_test "break multi_line_while_conditional" \
 141     "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
 142     "breakpoint at start of multi line while conditional"
 143
 144 set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
 145 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 146
 147 #
 148 # check to see what breakpoints are set
 149 #
 150 if [target_info exists gdb_stub] {
 151     set main_line $bp_location5
 152 } else {
 153     set main_line $bp_location6
 154 }
 155
 156 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
 157 set bp_location8 [gdb_get_line_number "set breakpoint 8 here"]
 158 set bp_location9 [gdb_get_line_number "set breakpoint 9 here"]
 159
 160 gdb_test "info break" \
 161     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 162 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*
 163 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker2 at .*$srcfile:($bp_location8|$bp_location9).*
 164 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial at .*$srcfile:$bp_location7.*
 165 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 166 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 167 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location2.*
 168 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
 169 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
 170     "breakpoint info"
 171
 172 # FIXME: The rest of this test doesn't work with anything that can't
 173 # handle arguments.
 174 # Huh? There doesn't *appear* to be anything that passes arguments
 175 # below.
 176 if [istarget "mips-idt-*"] then {
 177     return
 178 }
 179
 180 #
 181 # run until the breakpoint at main is hit. For non-stubs-using targets.
 182 #
 183 gdb_run_cmd
 184 gdb_expect {
 185     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 186         pass "run until function breakpoint"
 187     }
 188     -re "$gdb_prompt $" {
 189         fail "run until function breakpoint"
 190     }
 191     timeout {
 192         fail "run until function breakpoint (timeout)"
 193     }
 194 }
 195
 196 #
 197 # run until the breakpoint at a line number
 198 #
 199 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
 200                         "run until breakpoint set at a line number"
 201
 202 #
 203 # Run until the breakpoint set in a function in a file
 204 #
 205 for {set i 6} {$i >= 1} {incr i -1} {
 206         gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
 207                         "run until file:function($i) breakpoint"
 208 }
 209
 210 #
 211 # Run until the breakpoint set at a quoted function
 212 #
 213 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile:($bp_location8|$bp_location9).*" \
 214                 "run until quoted breakpoint"
 215 #
 216 # run until the file:function breakpoint at a line number in a file
 217 #
 218 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
 219                 "run until file:linenum breakpoint"
 220
 221 # Test break at offset +1
 222 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
 223
 224 gdb_test "break +1" \
 225     "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
 226     "breakpoint offset +1"
 227
 228 # Check to see if breakpoint is hit when stepped onto
 229
 230 gdb_test "step" \
 231     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
 232     "step onto breakpoint"
 233
 234 #
 235 # delete all breakpoints so we can start over, course this can be a test too
 236 #
 237 delete_breakpoints
 238
 239 #
 240 # test temporary breakpoint at function
 241 #
 242
 243 gdb_test "tbreak main" "Temporary breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 244
 245 #
 246 # test break at function in file
 247 #
 248
 249 gdb_test "tbreak $srcfile:factorial" "Temporary breakpoint.*at.* file .*$srcfile, line.*" \
 250         "Temporary breakpoint function in file"
 251
 252 #
 253 # test break at line number
 254 #
 255
 256 gdb_test "tbreak $bp_location1" \
 257     "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location1.*" \
 258     "Temporary breakpoint line number #1"
 259
 260 gdb_test "tbreak $bp_location6" \
 261     "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location6.*" \
 262     "Temporary breakpoint line number #2"
 263
 264 #
 265 # test break at line number in file
 266 #
 267
 268 gdb_test "tbreak $srcfile:$bp_location2" \
 269     "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location2.*" \
 270     "Temporary breakpoint line number in file #1"
 271
 272 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
 273 gdb_test  "tbreak $srcfile:$bp_location11" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
 274
 275 #
 276 # check to see what breakpoints are set (temporary this time)
 277 #
 278 gdb_test "info break" "Num     Type.*Disp Enb Address.*What.*\[\r\n\]
 279 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
 280 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial at .*$srcfile:$bp_location7.*\[\r\n\]
 281 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
 282 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
 283 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
 284 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location11.*" \
 285     "Temporary breakpoint info"
 286
 287
 288 #***********
 289
 290 # Verify that catchpoints for fork, vfork and exec don't trigger
 291 # inappropriately.  (There are no calls to those system functions
 292 # in this test program.)
 293 #
 294 if ![runto_main] then { fail "sepdebug tests suppressed" }
 295
 296 gdb_test "catch" "Catch requires an event name.*" \
 297     "catch requires an event name"
 298
 299 set name "set catch fork, never expected to trigger"
 300 gdb_test_multiple "catch fork" $name {
 301     -re "Catchpoint \[0-9\]* .fork.*$gdb_prompt $" {
 302         pass $name
 303     }
 304     -re "Catch of fork not yet implemented.*$gdb_prompt $" {
 305         pass $name
 306     }
 307 }
 308
 309 # If we are on HP-UX 10.20, we expect an error message to be
 310 # printed if we type "catch vfork" at the gdb gdb_prompt.  This is
 311 # because on HP-UX 10.20, we cannot catch vfork events.
 312
 313 set name "set catch vfork, never expected to trigger"
 314 gdb_test_multiple "catch vfork" $name {
 315     -re "Catch of vfork events not supported on HP-UX 10.20.*" {
 316         pass $name
 317     }
 318     -re "Catchpoint \[0-9\]* .vfork.*$gdb_prompt $" {
 319         pass $name
 320     }
 321     -re "Catch of vfork not yet implemented.*$gdb_prompt $" {
 322         pass $name
 323     }
 324 }
 325
 326 set name "set catch exec, never expected to trigger"
 327 gdb_test_multiple "catch exec" $name {
 328     -re "Catchpoint \[0-9\]* .exec.*$gdb_prompt $" {
 329         pass $name
 330     }
 331     -re "Catch of exec not yet implemented.*$gdb_prompt $" {
 332         pass $name
 333     }
 334 }
 335
 336 # Verify that GDB responds gracefully when asked to set a breakpoint
 337 # on a nonexistent source line.
 338 #
 339
 340 gdb_test "break 999" "No line 999 in file .*" \
 341     "break on non-existent source line"
 342
 343 # Run to the desired default location. If not positioned here, the
 344 # tests below don't work.
 345 #
 346 gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" "until bp_location1"
 347
 348
 349 # Verify that GDB allows one to just say "break", which is treated
 350 # as the "default" breakpoint.  Note that GDB gets cute when printing
 351 # the informational message about other breakpoints at the same
 352 # location.  We'll hit that bird with this stone too.
 353 #
 354
 355 gdb_test "break" "Breakpoint \[0-9\]*.*" \
 356     "break on default location, 1st time"
 357
 358 gdb_test "break" \
 359     "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
 360     "break on default location, 2nd time"
 361
 362 gdb_test "break" \
 363     "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
 364     "break on default location, 3rd time"
 365
 366 gdb_test "break" \
 367     "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
 368     "break on default location, 4th time"
 369
 370 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
 371 # "silent" about its triggering.
 372 #
 373 if ![runto_main] then { fail "sepdebug tests suppressed" }
 374
 375 gdb_test_multiple "break $bp_location1" \
 376     "set to-be-silent break bp_location1" {
 377         -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $" {
 378             pass "set to-be-silent break bp_location1"
 379         }
 380 }
 381
 382 send_gdb "commands $expect_out(1,string)\n"
 383 send_gdb "silent\n"
 384 send_gdb "end\n"
 385 gdb_expect {
 386   -re ".*$gdb_prompt $"\
 387           {pass "set silent break bp_location1"}
 388   timeout {fail "(timeout) set silent break bp_location1"}
 389 }
 390
 391 gdb_test "info break $expect_out(1,string)\n" \
 392     "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*" \
 393     "info silent break bp_location1"
 394
 395 gdb_test "continue" "Continuing.*" "hit silent break bp_location1"
 396
 397 gdb_test "bt" "#0  main .* at .*:$bp_location1.*" \
 398     "stopped for silent break bp_location1"
 399
 400 # Verify that GDB can at least parse a breakpoint with the
 401 # "thread" keyword.  (We won't attempt to test here that a
 402 # thread-specific breakpoint really triggers appropriately.
 403 # The gdb.threads subdirectory contains tests for that.)
 404 #
 405 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
 406
 407 gdb_test "break $bp_location12 thread 999" "Unknown thread 999.*" \
 408     "thread-specific breakpoint on non-existent thread disallowed"
 409
 410 gdb_test "break $bp_location12 thread foo" \
 411     "Junk after thread keyword.*" \
 412     "thread-specific breakpoint on bogus thread ID disallowed"
 413
 414 # Verify that GDB responds gracefully to a breakpoint command with
 415 # trailing garbage.
 416 #
 417
 418 gdb_test "break $bp_location12 foo" \
 419     "Junk at end of arguments.*" \
 420     "breakpoint with trailing garbage disallowed"
 421
 422 # Verify that GDB responds gracefully to a "clear" command that has
 423 # no matching breakpoint.  (First, get us off the current source line,
 424 # which we know has a breakpoint.)
 425 #
 426
 427 gdb_test "next" "marker1.*" "step over breakpoint"
 428
 429 gdb_test "clear 81" "No breakpoint at 81.*" \
 430     "clear line has no breakpoint disallowed"
 431
 432 gdb_test "clear" "No breakpoint at this line.*" \
 433     "clear current line has no breakpoint disallowed"
 434
 435 # Verify that we can set and clear multiple breakpoints.
 436 #
 437 # We don't test that it deletes the correct breakpoints.  We do at
 438 # least test that it deletes more than one breakpoint.
 439 #
 440 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
 441 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
 442 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
 443
 444 # Verify that a breakpoint can be set via a convenience variable.
 445 #
 446
 447 gdb_test "set \$foo=$bp_location11" "" \
 448     "set convenience variable \$foo to bp_location11"
 449
 450 gdb_test "break \$foo" \
 451     "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*" \
 452     "set breakpoint via convenience variable"
 453
 454 # Verify that GDB responds gracefully to an attempt to set a
 455 # breakpoint via a convenience variable whose type is not integer.
 456 #
 457
 458 gdb_test_no_output "set \$foo=81.5" \
 459     "set convenience variable \$foo to 81.5"
 460
 461 gdb_test "break \$foo" \
 462     "Convenience variables used in line specs must have integer values.*" \
 463     "set breakpoint via non-integer convenience variable disallowed"
 464
 465 # Verify that we can set and trigger a breakpoint in a user-called function.
 466 #
 467
 468 gdb_test "break marker2" \
 469     "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*" \
 470     "set breakpoint on to-be-called function"
 471
 472 gdb_test "print marker2(99)" \
 473     "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.*" \
 474     "hit breakpoint on called function"
 475
 476 # As long as we're stopped (breakpointed) in a called function,
 477 # verify that we can successfully backtrace & such from here.
 478 #
 479 # In this and the following test, the _sr4export check apparently is needed
 480 # for hppa*-*-hpux.
 481 #
 482
 483 gdb_test_multiple "bt" "backtrace while in called function" {
 484     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $" {
 485         pass "backtrace while in called function"
 486     }
 487     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $" {
 488         pass "backtrace while in called function"
 489     }
 490 }
 491
 492 # Return from the called function.  For remote targets, it's important to do
 493 # this before runto_main, which otherwise may silently stop on the dummy
 494 # breakpoint inserted by GDB at the program's entry point.
 495 #
 496
 497 gdb_test_multiple "finish" "finish from called function" {
 498     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $" {
 499         pass "finish from called function"
 500     }
 501     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $" {
 502         pass "finish from called function"
 503     }
 504     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $" {
 505         pass "finish from called function"
 506     }
 507 }
 508
 509 # Verify that GDB responds gracefully to a "finish" command with
 510 # arguments.
 511 #
 512 if ![runto_main] then { fail "sepdebug tests suppressed" }
 513
 514 gdb_test "finish 123" \
 515     "The \"finish\" command does not take any arguments.*" \
 516     "finish with arguments disallowed"
 517
 518 # Verify that GDB responds gracefully to a request to "finish" from
 519 # the outermost frame.  On a stub that never exits, this will just
 520 # run to the stubs routine, so we don't get this error...  Thus the
 521 # second condition.
 522 #
 523
 524 gdb_test_multiple "finish" "finish from outermost frame disallowed" {
 525     -re "\"finish\" not meaningful in the outermost frame.*$gdb_prompt $" {
 526         pass "finish from outermost frame disallowed"
 527     }
 528     -re "Run till exit from.*$gdb_prompt $" {
 529         pass "finish from outermost frame disallowed"
 530     }
 531 }
 532
 533 # Verify that we can explicitly ask GDB to stop on all shared library
 534 # events, and that it does so.
 535 #
 536 if [istarget "hppa*-*-hpux*"] then {
 537     if ![runto_main] then { fail "sepdebug tests suppressed" }
 538
 539     gdb_test_no_output "set stop-on-solib-events 1" \
 540         "set stop-on-solib-events"
 541
 542     gdb_test "run" \
 543         "Stopped due to shared library event.*" \
 544         "triggered stop-on-solib-events" \
 545         "Start it from the beginning.*y or n. $" \
 546         "y"
 547
 548     gdb_test_no_output "set stop-on-solib-events 0" \
 549       "reset stop-on-solib-events"
 550 }
 551
 552 # Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
 553 # gracefully responds to requests to create them.
 554 #
 555 if [istarget "hppa*-*-hpux*"] then {
 556     if ![runto_main] then { fail "sepdebug tests suppressed" }
 557
 558     gdb_test "hbreak" \
 559         "No hardware breakpoint support in the target.*" \
 560         "hw breaks disallowed"
 561
 562     gdb_test "thbreak" \
 563       "No hardware breakpoint support in the target.*" \
 564       "temporary hw breaks disallowed"
 565 }
 566
 567 #********
 568
 569
 570 #
 571 # Test "next" over recursive function call.
 572 #
 573
 574 proc test_next_with_recursion {} {
 575     global gdb_prompt
 576     global decimal
 577     global binfile
 578
 579     gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
 580     delete_breakpoints
 581
 582     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 583
 584     # Run until we call factorial with 6
 585
 586     gdb_run_cmd
 587     gdb_expect {
 588         -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
 589         -re ".*$gdb_prompt $" {
 590             fail "run to factorial(6)";
 591             gdb_suppress_tests;
 592         }
 593         timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
 594     }
 595
 596     # Continue until we call factorial recursively with 5.
 597
 598     if [gdb_test "continue" \
 599         "Continuing.*Break.* factorial .value=5. .*" \
 600         "continue to factorial(5)"] then { gdb_suppress_tests }
 601
 602     # Do a backtrace just to confirm how many levels deep we are.
 603
 604     if [gdb_test "backtrace" \
 605         "#0\[ \t\]+ factorial .value=5..*" \
 606         "backtrace from factorial(5)"] then { gdb_suppress_tests }
 607
 608     # Now a "next" should position us at the recursive call, which
 609     # we will be performing with 4.
 610
 611     if [gdb_test "next" \
 612         ".* factorial .value - 1.;.*" \
 613         "next to recursive call"] then { gdb_suppress_tests }
 614
 615     # Disable the breakpoint at the entry to factorial by deleting them all.
 616     # The "next" should run until we return to the next line from this
 617     # recursive call to factorial with 4.
 618     # Buggy versions of gdb will stop instead at the innermost frame on
 619     # the line where we are trying to "next" to.
 620
 621     delete_breakpoints
 622
 623     if [istarget "mips*tx39-*"] {
 624         set timeout 60
 625     }
 626     # We used to set timeout here for all other targets as well.  This
 627     # is almost certainly wrong.  The proper timeout depends on the
 628     # target system in use, and how we communicate with it, so there
 629     # is no single value appropriate for all targets.  The timeout
 630     # should be established by the Dejagnu config file(s) for the
 631     # board, and respected by the test suite.
 632     #
 633     # For example, if I'm running GDB over an SSH tunnel talking to a
 634     # portmaster in California talking to an ancient 68k board running
 635     # a crummy ROM monitor (a situation I can only wish were
 636     # hypothetical), then I need a large timeout.  But that's not the
 637     # kind of knowledge that belongs in this file.
 638
 639     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 640             "next over recursive call"
 641
 642     # OK, we should be back in the same stack frame we started from.
 643     # Do a backtrace just to confirm.
 644
 645     set result [gdb_test "backtrace" \
 646             "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 647             "backtrace from factorial(5.1)"]
 648     if { $result != 0 } { gdb_suppress_tests }
 649
 650     if [target_info exists gdb,noresults] { gdb_suppress_tests }
 651   gdb_continue_to_end "recursive next test"
 652    gdb_stop_suppressing_tests;
 653 }
 654
 655 test_next_with_recursion
 656
 657
 658 #********
 659
 660 proc test_different_dir {type test_different_dir xfail} {
 661     global srcdir subdir objdir binfile srcfile timeout gdb_prompt
 662     global pf_prefix
 663     global bp_location6 decimal hex
 664
 665     set old_pf_prefix $pf_prefix
 666     append pf_prefix " $type:"
 667
 668     gdb_exit
 669     gdb_start
 670     gdb_reinitialize_dir $srcdir/$subdir
 671     gdb_test "set debug-file-directory ${test_different_dir}" ".*" "set separate debug location"
 672     gdb_load ${binfile}
 673
 674     if [target_info exists gdb_stub] {
 675         gdb_step_for_stub;
 676     }
 677
 678     #
 679     # test break at function
 680     #
 681     if {$xfail} {
 682         setup_xfail "*-*-*"
 683     }
 684     gdb_test "break main" \
 685         "Breakpoint.*at.* file .*$srcfile, line.*" \
 686         "breakpoint function, optimized file"
 687
 688     #
 689     # test break at function
 690     #
 691     if {$xfail} {
 692         setup_xfail "*-*-*"
 693     }
 694     gdb_test "break marker4" \
 695         "Breakpoint.*at.* file .*$srcfile, line.*" \
 696         "breakpoint small function, optimized file"
 697
 698     #
 699     # run until the breakpoint at main is hit. For non-stubs-using targets.
 700     #
 701     gdb_run_cmd
 702     if {$xfail} {
 703         setup_xfail "*-*-*"
 704     }
 705     gdb_expect {
 706         -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 707             pass "run until function breakpoint, optimized file"
 708         }
 709         -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
 710             pass "run until function breakpoint, optimized file (code motion)"
 711         }
 712         -re "$gdb_prompt $" {
 713             fail "run until function breakpoint, optimized file"
 714         }
 715         timeout {
 716             fail "run until function breakpoint, optimized file (timeout)"
 717         }
 718     }
 719
 720     #
 721     # run until the breakpoint at a small function
 722     #
 723
 724     #
 725     # Add a second pass pattern.  The behavior differs here between stabs
 726     # and dwarf for one-line functions.  Stabs preserves two line symbols
 727     # (one before the prologue and one after) with the same line number,
 728     # but dwarf regards these as duplicates and discards one of them.
 729     # Therefore the address after the prologue (where the breakpoint is)
 730     # has no exactly matching line symbol, and GDB reports the breakpoint
 731     # as if it were in the middle of a line rather than at the beginning.
 732
 733     set bp_location13 [gdb_get_line_number "set breakpoint 13 here"]
 734     set bp_location14 [gdb_get_line_number "set breakpoint 14 here"]
 735     if {$xfail} {
 736         setup_xfail "*-*-*"
 737     }
 738
 739     gdb_test_multiple "continue" "run until breakpoint set at small function, optimized file" {
 740         -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*$gdb_prompt $" {
 741             pass "run until breakpoint set at small function, optimized file"
 742         }
 743         -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*$gdb_prompt $" {
 744             pass "run until breakpoint set at small function, optimized file"
 745         }
 746         -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*$gdb_prompt $" {
 747             # marker4() is defined at line 46 when compiled with -DPROTOTYPES
 748             pass "run until breakpoint set at small function, optimized file (line bp_location14)"
 749         }
 750     }
 751
 752
 753     # Reset the default arguments for VxWorks
 754     if [istarget "*-*-vxworks*"] {
 755         set timeout 10
 756         verbose "Timeout is now $timeout seconds" 2
 757         gdb_test_no_output "set args main"
 758     }
 759
 760     set pf_prefix $old_pf_prefix
 761 # proc test_different_dir
 762 }
 763
 764
 765 # now move the .debug file to a different location so that we can test
 766 # the "set debug-file-directory" command.
 767
 768 set different_dir "${objdir}/${subdir}/${testfile}.dir"
 769 set debugfile "${different_dir}/${objdir}/${subdir}/${testfile}.debug"
 770 remote_exec build "rm -rf $different_dir"
 771 remote_exec build "mkdir -p [file dirname $debugfile]"
 772 remote_exec build "mv -f ${objdir}/${subdir}/${testfile}.debug $debugfile"
 773
 774 test_different_dir debuglink $different_dir 0
 775
 776
 777 # Test CRC mismatch is reported.
 778
 779 if {[build_executable sepdebug.exp sepdebug2 sepdebug2.c debug] != -1
 780     && ![gdb_gnu_strip_debug ${objdir}/${subdir}/sepdebug2]} {
 781
 782     remote_exec build "cp ${debugfile} ${objdir}/${subdir}/sepdebug2.debug"
 783
 784     gdb_exit
 785     gdb_start
 786     gdb_reinitialize_dir $srcdir/$subdir
 787
 788     set escapedobjdirsubdir [string_to_regexp ${objdir}/${subdir}]
 789
 790     gdb_test "file ${objdir}/${subdir}/sepdebug2" "warning: the debug information found in \"${escapedobjdirsubdir}/sepdebug2\\.debug\" does not match \"${escapedobjdirsubdir}/sepdebug2\" \\(CRC mismatch\\)\\..*\\(no debugging symbols found\\).*" "CRC mismatch is reported"
 791 }
 792
 793
 794 # NT_GNU_BUILD_ID / .note.gnu.build-id test:
 795
 796 set build_id_debug_filename [build_id_debug_filename_get $binfile]
 797 if ![string compare $build_id_debug_filename ""] then {
 798     unsupported "build-id is not supported by the compiler"
 799
 800     # Spare debug files may confuse testsuite runs in the future.
 801     remote_exec build "rm -f $debugfile"
 802 } else {
 803     set build_id_debugself_filename [build_id_debug_filename_get $debugfile]
 804     set test "build-id support by binutils"
 805     set xfail 0
 806     if ![string compare $build_id_debugself_filename ""] then {
 807         unsupported $test
 808         set xfail 1
 809     } elseif {[string compare $build_id_debugself_filename $build_id_debug_filename] != 0} then {
 810         fail $test
 811     } else {
 812         pass $test
 813     }
 814
 815     file mkdir [file dirname ${objdir}/${subdir}/${build_id_debug_filename}]
 816     remote_exec build "mv $debugfile ${objdir}/${subdir}/${build_id_debug_filename}"
 817
 818     test_different_dir build-id "${objdir}/${subdir}" $xfail
 819
 820     # Test also multiple directories can be specified.  Without the build-id
 821     # reference GDB would find the separate debug info just at the same
 822     # location as the executable file.
 823
 824     test_different_dir multiple-dirs "/doesnotexist:${objdir}/${subdir}" $xfail
 825
 826     # Spare debug files may confuse testsuite runs in the future.
 827     remote_exec build "rm -f ${objdir}/${subdir}/${build_id_debug_filename}"
 828 }