gdb/testsuite/gdb.base/sepdebug.exp

   1 #   Copyright 1988, 1990-1992, 1994-2000, 2002-2004, 2007-2012 Free
   2 #   Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # Based on break.exp, written by Rob Savoye. (rob@cygnus.com)
  18 # Modified to test gdb's handling of separate debug info files.
  19 # Modified to test gdb's handling of a debug-id retrieval.
  20
  21 # This file has two parts. The first is testing that gdb behaves
  22 # normally after reading in an executable and its corresponding
  23 # separate debug file. The second moves the .debug file to a different
  24 # location and tests the "set debug-file-directory" command.
  25 # The third is for testing build-id retrievel by finding the separate
  26 # ".debug-id/ab/cdef.debug" file.
  27
  28
  29 #
  30 # test running programs
  31 #
  32
  33 set testfile "sepdebug"
  34 set srcfile ${testfile}.c
  35 set binfile ${objdir}/${subdir}/${testfile}${EXEEXT}
  36
  37 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  38     untested sepdebug.exp
  39     return -1
  40 }
  41
  42 # Note: the procedure gdb_gnu_strip_debug will produce an executable called
  43 # ${binfile}, which is just like the executable ($binfile) but without
  44 # the debuginfo. Instead $binfile has a .gnu_debuglink section which contains
  45 # the name of a debuginfo only file. This file will be stored in the
  46 # gdb.base/ subdirectory.
  47
  48 if [gdb_gnu_strip_debug $binfile] {
  49     # check that you have a recent version of strip and objcopy installed
  50     unsupported "cannot produce separate debug info files"
  51     return -1
  52 }
  53
  54 #
  55 # PR gdb/9538.  Verify that symlinked executable still finds the separate
  56 # debuginfo.
  57 #
  58 set old_subdir ${subdir}
  59 set subdir ${subdir}/pr9538
  60
  61 # Cleanup any stale state.
  62 remote_exec build "rm -rf ${subdir}"
  63
  64 remote_exec build "mkdir ${subdir}"
  65 remote_exec build "ln -s ${binfile} ${subdir}"
  66 clean_restart ${testfile}${EXEEXT}
  67 if { $gdb_file_cmd_debug_info != "debug" } then {
  68     fail "No debug information found."
  69 }
  70
  71 # Restore subdir
  72 set subdir ${old_subdir}
  73
  74 clean_restart ${testfile}${EXEEXT}
  75 if { $gdb_file_cmd_debug_info != "debug" } then {
  76     fail "No debug information found."
  77 }
  78
  79 #
  80 # test simple breakpoint setting commands
  81 #
  82
  83 #
  84 # test break at function
  85 #
  86 gdb_test "break main" \
  87     "Breakpoint.*at.* file .*$srcfile, line.*" \
  88     "breakpoint function"
  89
  90 #
  91 # test break at quoted function
  92 #
  93 gdb_test "break \"marker2\"" \
  94     "Breakpoint.*at.* file .*$srcfile, line.*" \
  95     "breakpoint quoted function"
  96
  97 #
  98 # test break at function in file
  99 #
 100 gdb_test "break $srcfile:factorial" \
 101     "Breakpoint.*at.* file .*$srcfile, line.*" \
 102     "breakpoint function in file"
 103
 104 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
 105
 106 #
 107 # test break at line number
 108 #
 109 # Note that the default source file is the last one whose source text
 110 # was printed.  For native debugging, before we've executed the
 111 # program, this is the file containing main, but for remote debugging,
 112 # it's wherever the processor was stopped when we connected to the
 113 # board.  So, to be sure, we do a list command.
 114 #
 115 gdb_test "list main" \
 116     ".*main \\(argc, argv, envp\\).*" \
 117     "use `list' to establish default source file"
 118 gdb_test "break $bp_location1" \
 119     "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
 120     "breakpoint line number"
 121
 122 #
 123 # test duplicate breakpoint
 124 #
 125 gdb_test "break $bp_location1" \
 126     "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
 127     "breakpoint duplicate"
 128
 129 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
 130
 131 #
 132 # test break at line number in file
 133 #
 134 gdb_test "break $srcfile:$bp_location2" \
 135     "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
 136     "breakpoint line number in file"
 137
 138 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
 139 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
 140
 141 #
 142 # Test putting a break at the start of a multi-line if conditional.
 143 # Verify the breakpoint was put at the start of the conditional.
 144 #
 145 gdb_test "break multi_line_if_conditional" \
 146     "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
 147     "breakpoint at start of multi line if conditional"
 148
 149 gdb_test "break multi_line_while_conditional" \
 150     "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
 151     "breakpoint at start of multi line while conditional"
 152
 153 set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
 154 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 155
 156 set main_line $bp_location6
 157
 158 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
 159 set bp_location8 [gdb_get_line_number "set breakpoint 8 here"]
 160 set bp_location9 [gdb_get_line_number "set breakpoint 9 here"]
 161
 162 gdb_test "info break" \
 163     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 164 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$main_line.*
 165 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker2 at .*$srcfile:($bp_location8|$bp_location9).*
 166 \[0-9\]+\[\t \]+breakpoint     keep y.* in factorial at .*$srcfile:$bp_location7.*
 167 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 168 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 169 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location2.*
 170 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
 171 \[0-9\]+\[\t \]+breakpoint     keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
 172     "breakpoint info"
 173
 174 # FIXME: The rest of this test doesn't work with anything that can't
 175 # handle arguments.
 176 # Huh? There doesn't *appear* to be anything that passes arguments
 177 # below.
 178
 179 #
 180 # run until the breakpoint at main is hit. For non-stubs-using targets.
 181 #
 182 gdb_run_cmd
 183 gdb_expect {
 184     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 185         pass "run until function breakpoint"
 186     }
 187     -re "$gdb_prompt $" {
 188         fail "run until function breakpoint"
 189     }
 190     timeout {
 191         fail "run until function breakpoint (timeout)"
 192     }
 193 }
 194
 195 #
 196 # run until the breakpoint at a line number
 197 #
 198 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
 199                         "run until breakpoint set at a line number"
 200
 201 #
 202 # Run until the breakpoint set in a function in a file
 203 #
 204 for {set i 6} {$i >= 1} {incr i -1} {
 205         gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
 206                         "run until file:function($i) breakpoint"
 207 }
 208
 209 #
 210 # Run until the breakpoint set at a quoted function
 211 #
 212 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile:($bp_location8|$bp_location9).*" \
 213                 "run until quoted breakpoint"
 214 #
 215 # run until the file:function breakpoint at a line number in a file
 216 #
 217 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
 218                 "run until file:linenum breakpoint"
 219
 220 # Test break at offset +1
 221 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
 222
 223 gdb_test "break +1" \
 224     "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
 225     "breakpoint offset +1"
 226
 227 # Check to see if breakpoint is hit when stepped onto
 228
 229 gdb_test "step" \
 230     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
 231     "step onto breakpoint"
 232
 233 #
 234 # delete all breakpoints so we can start over, course this can be a test too
 235 #
 236 delete_breakpoints
 237
 238 #
 239 # test temporary breakpoint at function
 240 #
 241
 242 gdb_test "tbreak main" "Temporary breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
 243
 244 #
 245 # test break at function in file
 246 #
 247
 248 gdb_test "tbreak $srcfile:factorial" "Temporary breakpoint.*at.* file .*$srcfile, line.*" \
 249         "Temporary breakpoint function in file"
 250
 251 #
 252 # test break at line number
 253 #
 254
 255 gdb_test "tbreak $bp_location1" \
 256     "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location1.*" \
 257     "Temporary breakpoint line number #1"
 258
 259 gdb_test "tbreak $bp_location6" \
 260     "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location6.*" \
 261     "Temporary breakpoint line number #2"
 262
 263 #
 264 # test break at line number in file
 265 #
 266
 267 gdb_test "tbreak $srcfile:$bp_location2" \
 268     "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location2.*" \
 269     "Temporary breakpoint line number in file #1"
 270
 271 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
 272 gdb_test  "tbreak $srcfile:$bp_location11" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
 273
 274 #
 275 # check to see what breakpoints are set (temporary this time)
 276 #
 277 gdb_test "info break" "Num     Type.*Disp Enb Address.*What.*\[\r\n\]
 278 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
 279 \[0-9\]+\[\t \]+breakpoint     del.*y.*in factorial at .*$srcfile:$bp_location7.*\[\r\n\]
 280 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
 281 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
 282 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
 283 \[0-9\]+\[\t \]+breakpoint     del.*y.*in main at .*$srcfile:$bp_location11.*" \
 284     "Temporary breakpoint info"
 285
 286
 287 #***********
 288
 289 # Verify that catchpoints for fork, vfork and exec don't trigger
 290 # inappropriately.  (There are no calls to those system functions
 291 # in this test program.)
 292 #
 293 if ![runto_main] then { fail "sepdebug tests suppressed" }
 294
 295 gdb_test "catch" "Catch requires an event name.*" \
 296     "catch requires an event name"
 297
 298 set name "set catch fork, never expected to trigger"
 299 gdb_test_multiple "catch fork" $name {
 300     -re "Catchpoint \[0-9\]* .fork.*$gdb_prompt $" {
 301         pass $name
 302     }
 303     -re "Catch of fork not yet implemented.*$gdb_prompt $" {
 304         pass $name
 305     }
 306 }
 307
 308 # If we are on HP-UX 10.20, we expect an error message to be
 309 # printed if we type "catch vfork" at the gdb gdb_prompt.  This is
 310 # because on HP-UX 10.20, we cannot catch vfork events.
 311
 312 set name "set catch vfork, never expected to trigger"
 313 gdb_test_multiple "catch vfork" $name {
 314     -re "Catch of vfork events not supported on HP-UX 10.20.*" {
 315         pass $name
 316     }
 317     -re "Catchpoint \[0-9\]* .vfork.*$gdb_prompt $" {
 318         pass $name
 319     }
 320     -re "Catch of vfork not yet implemented.*$gdb_prompt $" {
 321         pass $name
 322     }
 323 }
 324
 325 set name "set catch exec, never expected to trigger"
 326 gdb_test_multiple "catch exec" $name {
 327     -re "Catchpoint \[0-9\]* .exec.*$gdb_prompt $" {
 328         pass $name
 329     }
 330     -re "Catch of exec not yet implemented.*$gdb_prompt $" {
 331         pass $name
 332     }
 333 }
 334
 335 # Verify that GDB responds gracefully when asked to set a breakpoint
 336 # on a nonexistent source line.
 337 #
 338
 339 gdb_test_no_output "set breakpoint pending off"
 340 gdb_test "break 999" "No line 999 in the current 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 gdb_test "commands $expect_out(1,string)\nsilent\nend" ">end" "set silent break bp_location1"
 383
 384 gdb_test "info break $expect_out(1,string)" \
 385     "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*" \
 386     "info silent break bp_location1"
 387
 388 gdb_test "continue" "Continuing.*" "hit silent break bp_location1"
 389
 390 gdb_test "bt" "#0  main .* at .*:$bp_location1.*" \
 391     "stopped for silent break bp_location1"
 392
 393 # Verify that GDB can at least parse a breakpoint with the
 394 # "thread" keyword.  (We won't attempt to test here that a
 395 # thread-specific breakpoint really triggers appropriately.
 396 # The gdb.threads subdirectory contains tests for that.)
 397 #
 398 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
 399
 400 gdb_test "break $bp_location12 thread 999" "Unknown thread 999.*" \
 401     "thread-specific breakpoint on non-existent thread disallowed"
 402
 403 gdb_test "break $bp_location12 thread foo" \
 404     "Junk after thread keyword.*" \
 405     "thread-specific breakpoint on bogus thread ID disallowed"
 406
 407 # Verify that GDB responds gracefully to a breakpoint command with
 408 # trailing garbage.
 409 #
 410
 411 gdb_test "break $bp_location12 foo" \
 412     "Junk at end of arguments.*" \
 413     "breakpoint with trailing garbage disallowed"
 414
 415 # Verify that GDB responds gracefully to a "clear" command that has
 416 # no matching breakpoint.  (First, get us off the current source line,
 417 # which we know has a breakpoint.)
 418 #
 419
 420 gdb_test "next" "marker1.*" "step over breakpoint"
 421
 422 gdb_test "clear 81" "No breakpoint at 81.*" \
 423     "clear line has no breakpoint disallowed"
 424
 425 gdb_test "clear" "No breakpoint at this line.*" \
 426     "clear current line has no breakpoint disallowed"
 427
 428 # Verify that we can set and clear multiple breakpoints.
 429 #
 430 # We don't test that it deletes the correct breakpoints.  We do at
 431 # least test that it deletes more than one breakpoint.
 432 #
 433 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
 434 gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
 435 gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
 436
 437 # Verify that a breakpoint can be set via a convenience variable.
 438 #
 439
 440 gdb_test_no_output "set \$foo=$bp_location11" \
 441     "set convenience variable \$foo to bp_location11"
 442
 443 gdb_test "break \$foo" \
 444     "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*" \
 445     "set breakpoint via convenience variable"
 446
 447 # Verify that GDB responds gracefully to an attempt to set a
 448 # breakpoint via a convenience variable whose type is not integer.
 449 #
 450
 451 gdb_test_no_output "set \$foo=81.5" \
 452     "set convenience variable \$foo to 81.5"
 453
 454 gdb_test "break \$foo" \
 455     "Convenience variables used in line specs must have integer values.*" \
 456     "set breakpoint via non-integer convenience variable disallowed"
 457
 458 # Verify that we can set and trigger a breakpoint in a user-called function.
 459 #
 460
 461 gdb_test "break marker2" \
 462     "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*" \
 463     "set breakpoint on to-be-called function"
 464
 465 gdb_test "print marker2(99)" \
 466     "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.*" \
 467     "hit breakpoint on called function"
 468
 469 # As long as we're stopped (breakpointed) in a called function,
 470 # verify that we can successfully backtrace & such from here.
 471 #
 472 # In this and the following test, the _sr4export check apparently is needed
 473 # for hppa*-*-hpux.
 474 #
 475
 476 gdb_test_multiple "bt" "backtrace while in called function" {
 477     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $" {
 478         pass "backtrace while in called function"
 479     }
 480     -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $" {
 481         pass "backtrace while in called function"
 482     }
 483 }
 484
 485 # Return from the called function.  For remote targets, it's important to do
 486 # this before runto_main, which otherwise may silently stop on the dummy
 487 # breakpoint inserted by GDB at the program's entry point.
 488 #
 489
 490 gdb_test_multiple "finish" "finish from called function" {
 491     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $" {
 492         pass "finish from called function"
 493     }
 494     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $" {
 495         pass "finish from called function"
 496     }
 497     -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $" {
 498         pass "finish from called function"
 499     }
 500 }
 501
 502 # Verify that GDB responds gracefully to a "finish" command with
 503 # arguments.
 504 #
 505 if ![runto_main] then { fail "sepdebug tests suppressed" }
 506
 507 gdb_test "finish 123" \
 508     "The \"finish\" command does not take any arguments.*" \
 509     "finish with arguments disallowed"
 510
 511 # Verify that GDB responds gracefully to a request to "finish" from
 512 # the outermost frame.  On a stub that never exits, this will just
 513 # run to the stubs routine, so we don't get this error...  Thus the
 514 # second condition.
 515 #
 516
 517 gdb_test_multiple "finish" "finish from outermost frame disallowed" {
 518     -re "\"finish\" not meaningful in the outermost frame.*$gdb_prompt $" {
 519         pass "finish from outermost frame disallowed"
 520     }
 521     -re "Run till exit from.*$gdb_prompt $" {
 522         pass "finish from outermost frame disallowed"
 523     }
 524 }
 525
 526 # Verify that we can explicitly ask GDB to stop on all shared library
 527 # events, and that it does so.
 528 #
 529 if [istarget "hppa*-*-hpux*"] then {
 530     if ![runto_main] then { fail "sepdebug tests suppressed" }
 531
 532     gdb_test_no_output "set stop-on-solib-events 1" \
 533         "set stop-on-solib-events"
 534
 535     gdb_test "run" \
 536         "Stopped due to shared library event.*" \
 537         "triggered stop-on-solib-events" \
 538         "Start it from the beginning.*y or n. $" \
 539         "y"
 540
 541     gdb_test_no_output "set stop-on-solib-events 0" \
 542       "reset stop-on-solib-events"
 543 }
 544
 545 # Hardware breakpoints are unsupported on HP-UX.  Verify that GDB
 546 # gracefully responds to requests to create them.
 547 #
 548 if [istarget "hppa*-*-hpux*"] then {
 549     if ![runto_main] then { fail "sepdebug tests suppressed" }
 550
 551     gdb_test "hbreak" \
 552         "No hardware breakpoint support in the target.*" \
 553         "hw breaks disallowed"
 554
 555     gdb_test "thbreak" \
 556       "No hardware breakpoint support in the target.*" \
 557       "temporary hw breaks disallowed"
 558 }
 559
 560 #********
 561
 562
 563 #
 564 # Test "next" over recursive function call.
 565 #
 566
 567 proc test_next_with_recursion {} {
 568     global gdb_prompt
 569     global decimal
 570     global binfile
 571
 572     gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
 573     delete_breakpoints
 574
 575     gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
 576
 577     # Run until we call factorial with 6
 578
 579     gdb_run_cmd
 580     gdb_expect {
 581         -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
 582         -re ".*$gdb_prompt $" {
 583             fail "run to factorial(6)";
 584             gdb_suppress_tests;
 585         }
 586         timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
 587     }
 588
 589     # Continue until we call factorial recursively with 5.
 590
 591     if [gdb_test "continue" \
 592         "Continuing.*Break.* factorial .value=5. .*" \
 593         "continue to factorial(5)"] then { gdb_suppress_tests }
 594
 595     # Do a backtrace just to confirm how many levels deep we are.
 596
 597     if [gdb_test "backtrace" \
 598         "#0\[ \t\]+ factorial .value=5..*" \
 599         "backtrace from factorial(5)"] then { gdb_suppress_tests }
 600
 601     # Now a "next" should position us at the recursive call, which
 602     # we will be performing with 4.
 603
 604     if [gdb_test "next" \
 605         ".* factorial .value - 1.;.*" \
 606         "next to recursive call"] then { gdb_suppress_tests }
 607
 608     # Disable the breakpoint at the entry to factorial by deleting them all.
 609     # The "next" should run until we return to the next line from this
 610     # recursive call to factorial with 4.
 611     # Buggy versions of gdb will stop instead at the innermost frame on
 612     # the line where we are trying to "next" to.
 613
 614     delete_breakpoints
 615
 616     if [istarget "mips*tx39-*"] {
 617         set timeout 60
 618     }
 619     # We used to set timeout here for all other targets as well.  This
 620     # is almost certainly wrong.  The proper timeout depends on the
 621     # target system in use, and how we communicate with it, so there
 622     # is no single value appropriate for all targets.  The timeout
 623     # should be established by the Dejagnu config file(s) for the
 624     # board, and respected by the test suite.
 625     #
 626     # For example, if I'm running GDB over an SSH tunnel talking to a
 627     # portmaster in California talking to an ancient 68k board running
 628     # a crummy ROM monitor (a situation I can only wish were
 629     # hypothetical), then I need a large timeout.  But that's not the
 630     # kind of knowledge that belongs in this file.
 631
 632     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 633             "next over recursive call"
 634
 635     # OK, we should be back in the same stack frame we started from.
 636     # Do a backtrace just to confirm.
 637
 638     set result [gdb_test "backtrace" \
 639             "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 640             "backtrace from factorial(5.1)"]
 641     if { $result != 0 } { gdb_suppress_tests }
 642
 643     if [target_info exists gdb,noresults] { gdb_suppress_tests }
 644   gdb_continue_to_end "recursive next test"
 645    gdb_stop_suppressing_tests;
 646 }
 647
 648 test_next_with_recursion
 649
 650
 651 #********
 652
 653 proc test_different_dir {type test_different_dir xfail} { with_test_prefix "$type" {
 654     global srcdir subdir objdir binfile srcfile timeout gdb_prompt
 655     global bp_location6 decimal hex
 656
 657     gdb_exit
 658     gdb_start
 659     gdb_reinitialize_dir $srcdir/$subdir
 660     gdb_test_no_output "set debug-file-directory ${test_different_dir}" \
 661         "set separate debug location"
 662     gdb_load ${binfile}
 663
 664     #
 665     # test break at function
 666     #
 667     if {$xfail} {
 668         setup_xfail "*-*-*"
 669     }
 670     gdb_test "break main" \
 671         "Breakpoint.*at.* file .*$srcfile, line.*" \
 672         "breakpoint function, optimized file"
 673
 674     #
 675     # test break at function
 676     #
 677     if {$xfail} {
 678         setup_xfail "*-*-*"
 679     }
 680     gdb_test "break marker4" \
 681         "Breakpoint.*at.* file .*$srcfile, line.*" \
 682         "breakpoint small function, optimized file"
 683
 684     #
 685     # run until the breakpoint at main is hit. For non-stubs-using targets.
 686     #
 687     gdb_run_cmd
 688     if {$xfail} {
 689         setup_xfail "*-*-*"
 690     }
 691     gdb_expect {
 692         -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 693             pass "run until function breakpoint, optimized file"
 694         }
 695         -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
 696             pass "run until function breakpoint, optimized file (code motion)"
 697         }
 698         -re "$gdb_prompt $" {
 699             fail "run until function breakpoint, optimized file"
 700         }
 701         timeout {
 702             fail "run until function breakpoint, optimized file (timeout)"
 703         }
 704     }
 705
 706     #
 707     # run until the breakpoint at a small function
 708     #
 709
 710     #
 711     # Add a second pass pattern.  The behavior differs here between stabs
 712     # and dwarf for one-line functions.  Stabs preserves two line symbols
 713     # (one before the prologue and one after) with the same line number,
 714     # but dwarf regards these as duplicates and discards one of them.
 715     # Therefore the address after the prologue (where the breakpoint is)
 716     # has no exactly matching line symbol, and GDB reports the breakpoint
 717     # as if it were in the middle of a line rather than at the beginning.
 718
 719     set bp_location13 [gdb_get_line_number "set breakpoint 13 here"]
 720     set bp_location14 [gdb_get_line_number "set breakpoint 14 here"]
 721     if {$xfail} {
 722         setup_xfail "*-*-*"
 723     }
 724
 725     gdb_test_multiple "continue" "run until breakpoint set at small function, optimized file" {
 726         -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*$gdb_prompt $" {
 727             pass "run until breakpoint set at small function, optimized file"
 728         }
 729         -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*$gdb_prompt $" {
 730             pass "run until breakpoint set at small function, optimized file"
 731         }
 732         -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*$gdb_prompt $" {
 733             # marker4() is defined at line 46 when compiled with -DPROTOTYPES
 734             pass "run until breakpoint set at small function, optimized file (line bp_location14)"
 735         }
 736     }
 737
 738
 739     # Reset the default arguments for VxWorks
 740     if [istarget "*-*-vxworks*"] {
 741         set timeout 10
 742         verbose "Timeout is now $timeout seconds" 2
 743         gdb_test_no_output "set args main"
 744     }
 745
 746 # proc test_different_dir
 747 }}
 748
 749
 750 # now move the .debug file to a different location so that we can test
 751 # the "set debug-file-directory" command.
 752
 753 set different_dir "${objdir}/${subdir}/${testfile}.dir"
 754 set debugfile "${different_dir}/${objdir}/${subdir}/${testfile}.debug"
 755 remote_exec build "rm -rf $different_dir"
 756 remote_exec build "mkdir -p [file dirname $debugfile]"
 757 remote_exec build "mv -f ${objdir}/${subdir}/${testfile}.debug $debugfile"
 758
 759 test_different_dir debuglink $different_dir 0
 760
 761
 762 # Test CRC mismatch is reported.
 763
 764 if {[build_executable sepdebug.exp sepdebug2 sepdebug2.c debug] != -1
 765     && ![gdb_gnu_strip_debug ${objdir}/${subdir}/sepdebug2]} {
 766
 767     remote_exec build "cp ${debugfile} ${objdir}/${subdir}/sepdebug2.debug"
 768
 769     gdb_exit
 770     gdb_start
 771     gdb_reinitialize_dir $srcdir/$subdir
 772
 773     set escapedobjdirsubdir [string_to_regexp ${objdir}/${subdir}]
 774
 775     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"
 776 }
 777
 778
 779 # NT_GNU_BUILD_ID / .note.gnu.build-id test:
 780
 781 set build_id_debug_filename [build_id_debug_filename_get $binfile]
 782 if ![string compare $build_id_debug_filename ""] then {
 783     unsupported "build-id is not supported by the compiler"
 784
 785     # Spare debug files may confuse testsuite runs in the future.
 786     remote_exec build "rm -f $debugfile"
 787 } else {
 788     set build_id_debugself_filename [build_id_debug_filename_get $debugfile]
 789     set test "build-id support by binutils"
 790     set xfail 0
 791     if ![string compare $build_id_debugself_filename ""] then {
 792         unsupported $test
 793         set xfail 1
 794     } elseif {[string compare $build_id_debugself_filename $build_id_debug_filename] != 0} then {
 795         fail $test
 796     } else {
 797         pass $test
 798     }
 799
 800     file mkdir [file dirname ${objdir}/${subdir}/${build_id_debug_filename}]
 801     remote_exec build "mv $debugfile ${objdir}/${subdir}/${build_id_debug_filename}"
 802
 803     test_different_dir build-id "${objdir}/${subdir}" $xfail
 804
 805     # Test also multiple directories can be specified.  Without the build-id
 806     # reference GDB would find the separate debug info just at the same
 807     # location as the executable file.
 808
 809     test_different_dir multiple-dirs "/doesnotexist:${objdir}/${subdir}" $xfail
 810
 811     # Spare debug files may confuse testsuite runs in the future.
 812     remote_exec build "rm -f ${objdir}/${subdir}/${build_id_debug_filename}"
 813 }