gdb/testsuite/gdb.base/hbreak2.exp

   1 #   Copyright 1988-2023 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # Based on break.exp by Rob Savoye. (rob@cygnus.com)
  17 # Hardware breakpoint support by Maciej W. Rozycki and Daniel Jacobowitz.
  18 # Only one hardware breakpoint is set at a time as targets may limit
  19 # the number available.
  20
  21
  22 if { [prepare_for_testing "failed to prepare" "hbreak2" {break.c break1.c} {debug nowarnings}] } {
  23     return -1
  24 }
  25 set srcfile break.c
  26 set srcfile1 break1.c
  27
  28 if {![runto_main]} {
  29     return
  30 }
  31
  32 delete_breakpoints
  33
  34 #
  35 # Test whether the target supports hardware breakpoints at all.
  36 #
  37 gdb_test_multiple "hbreak -q main" "hardware breakpoint support" {
  38     -re "No hardware breakpoint support in the target.*$gdb_prompt $" {
  39         unsupported "hardware breakpoints"
  40         return
  41     }
  42     -re "Hardware breakpoints used exceeds limit.*$gdb_prompt $" {
  43         unsupported "hardware breakpoints"
  44         return
  45     }
  46     -re "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*$gdb_prompt $" {
  47         pass "hardware breakpoint support"
  48     }
  49 }
  50 gdb_run_cmd
  51 gdb_test_multiple "" "hardware breakpoint insertion" {
  52     -re "Warning:\[\r\n\]+Cannot insert hardware breakpoint \[0-9\]+\.\[\r\n\]+Could not insert hardware breakpoints:\[\r\n\]+You may have requested too many hardware breakpoints/watchpoints\.\[\r\n\]+.*$gdb_prompt $" {
  53         unsupported "hardware breakpoint insertion"
  54         return
  55     }
  56     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:.*\[\r\n\]+.*\[\t \]+if .argc.* \{.*$gdb_prompt $" {
  57         pass "hardware breakpoint insertion"
  58     }
  59 }
  60 delete_breakpoints
  61
  62 #
  63 # Test simple hardware breakpoint setting commands.
  64 #
  65
  66 #
  67 # Test break at function.
  68 #
  69 gdb_test "hbreak -q main" \
  70     "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \
  71     "hardware breakpoint function"
  72 delete_breakpoints
  73
  74 #
  75 # Test break at quoted function.
  76 #
  77 gdb_test "hbreak \"marker2\"" \
  78     "Hardware assisted breakpoint.*at.* file .*$srcfile1, line.*" \
  79     "hardware breakpoint quoted function"
  80 delete_breakpoints
  81
  82 #
  83 # Test break at function in file.
  84 #
  85 gdb_test "hbreak $srcfile:factorial" \
  86     "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \
  87     "hardware breakpoint function in file"
  88 delete_breakpoints
  89
  90 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  91
  92 #
  93 # Test break at line number.
  94 #
  95 # Note that the default source file is the last one whose source text
  96 # was printed.  For native debugging, before we've executed the
  97 # program, this is the file containing main, but for remote debugging,
  98 # it's wherever the processor was stopped when we connected to the
  99 # board.  So, to be sure, we do a list command.
 100 #
 101 gdb_test "list -q main" \
 102     ".*main \\(int argc, char ..argv, char ..envp\\).*" \
 103     "use `list' to establish default source file"
 104 gdb_test "hbreak $bp_location1" \
 105     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
 106     "hardware breakpoint line number"
 107 delete_breakpoints
 108
 109 set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
 110
 111 #
 112 # Test break at line number in file.
 113 #
 114 gdb_test "hbreak $srcfile:$bp_location2" \
 115     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
 116     "hardware breakpoint line number in file"
 117 delete_breakpoints
 118
 119 set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
 120 set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
 121
 122 #
 123 # Test putting a break at the start of a multi-line if conditional.
 124 # Verify the breakpoint was put at the start of the conditional.
 125 #
 126 gdb_test "hbreak multi_line_if_conditional" \
 127     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
 128     "hardware breakpoint at start of multi line if conditional"
 129 delete_breakpoints
 130
 131 gdb_test "hbreak multi_line_while_conditional" \
 132     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
 133     "hardware breakpoint at start of multi line while conditional"
 134
 135 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 136
 137 set main_line $bp_location6
 138
 139 set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
 140 set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
 141
 142 gdb_test "info break" \
 143     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 144 \[0-9\]+\[\t \]+hw breakpoint  keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
 145     "hardware breakpoint info"
 146 delete_breakpoints
 147
 148 #
 149 # Run until the breakpoint at main is hit.  For non-stubs-using targets.
 150 #
 151 gdb_test "hbreak -q main" \
 152     "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \
 153     "hardware breakpoint function (2)"
 154 gdb_run_cmd
 155 gdb_test "" \
 156     "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*" \
 157     "run until function breakpoint"
 158 delete_breakpoints
 159
 160 #
 161 # Run until the breakpoint at a line number.
 162 #
 163 gdb_test "hbreak $bp_location1" \
 164     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
 165     "hardware breakpoint line number (2)"
 166 gdb_test "continue" \
 167     "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
 168     "run until breakpoint set at a line number"
 169 delete_breakpoints
 170
 171 #
 172 # Run until the breakpoint set in a function in a file.
 173 #
 174 gdb_test "hbreak $srcfile:factorial" \
 175     "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \
 176     "hardware breakpoint function in file (2)"
 177 for {set i 6} {$i >= 1} {incr i -1} {
 178     gdb_test "continue" \
 179         "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
 180         "run until file:function($i) breakpoint"
 181 }
 182 delete_breakpoints
 183
 184 #
 185 # Run until the breakpoint set at a quoted function.
 186 #
 187 gdb_test "hbreak \"marker2\"" \
 188     "Hardware assisted breakpoint.*at.* file .*$srcfile1, line.*" \
 189     "hardware breakpoint quoted function (2)"
 190 gdb_test "continue" \
 191     "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:$bp_location8.*" \
 192     "run until quoted breakpoint"
 193 delete_breakpoints
 194 #
 195 # Run until the file:function breakpoint at a line number in a file.
 196 #
 197 gdb_test "hbreak $srcfile:$bp_location2" \
 198     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
 199     "hardware breakpoint line number in file (2)"
 200 gdb_test "continue" \
 201     "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
 202     "run until file:linenum breakpoint"
 203 delete_breakpoints
 204
 205 # Test break at offset +1.
 206 set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
 207
 208 gdb_test "hbreak +1" \
 209     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
 210     "hardware breakpoint offset +1"
 211
 212 # Check to see if breakpoint is hit when stepped onto.
 213
 214 gdb_test "step" \
 215     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
 216     "step onto hardware breakpoint"
 217 delete_breakpoints
 218
 219 # Check to see if breakpoint can be set on ending brace of function.
 220 set bp_location10a [gdb_get_line_number "set breakpoint 10a here"]
 221
 222 gdb_test "hbreak $bp_location10a" \
 223     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location10a\\." \
 224     "setting hardware breakpoint at }"
 225
 226 gdb_test "continue" \
 227     ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10a.*$bp_location10a\[\t \]+}.*breakpoint 10a here.*" \
 228     "continue to hardware breakpoint at }"
 229
 230 #
 231 # Delete all breakpoints so we can start over, course this can be a test too.
 232 #
 233 delete_breakpoints
 234
 235 #
 236 # Test temporary breakpoint at function.
 237 #
 238
 239 gdb_test "thbreak -q main" \
 240     "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \
 241     "temporary hardware breakpoint function"
 242 delete_breakpoints
 243
 244 #
 245 # Test break at function in file.
 246 #
 247
 248 gdb_test "thbreak $srcfile:factorial" \
 249     "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \
 250     "temporary hardware breakpoint function in file"
 251 delete_breakpoints
 252
 253 #
 254 # Test break at line number.
 255 #
 256 gdb_test "thbreak $bp_location1" \
 257     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location1.*" \
 258     "temporary hardware breakpoint line number #1"
 259 delete_breakpoints
 260
 261 gdb_test "thbreak $bp_location6" \
 262     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location6.*" \
 263     "temporary hardware breakpoint line number #2"
 264 delete_breakpoints
 265
 266 #
 267 # Test break at line number in file.
 268 #
 269 gdb_test "thbreak $srcfile:$bp_location2" \
 270     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location2.*" \
 271     "temporary hardware breakpoint line number in file #1"
 272 delete_breakpoints
 273
 274 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
 275 gdb_test "thbreak $srcfile:$bp_location11" \
 276     "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location11.*" \
 277     "temporary hardware breakpoint line number in file #2"
 278
 279 #
 280 # Check to see what breakpoints are set (temporary this time).
 281 #
 282 gdb_test "info break" \
 283     "Num     Type.*Disp Enb Address.*What.*\[\r\n\]
 284 \[0-9\]+\[\t \]+hw breakpoint  del.*y.*in main at .*$srcfile:$bp_location11.*" \
 285     "temporary hardware breakpoint info"
 286
 287
 288 #***********
 289
 290 if {![runto_main]} {
 291     return
 292 }
 293
 294 # Verify that GDB responds gracefully when asked to set a breakpoint
 295 # on a nonexistent source line.
 296 #
 297 gdb_test_no_output "set breakpoint pending off"
 298 gdb_test "hbreak 999" \
 299     "No line 999 in the current file." \
 300     "hardware break on non-existent source line"
 301
 302 # Run to the desired default location.  If not positioned here, the
 303 # tests below don't work.
 304 #
 305 gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" \
 306     "until bp_location1"
 307
 308
 309 # Verify that GDB allows one to just say "hbreak", which is treated
 310 # as the "default" breakpoint.
 311 #
 312 gdb_test "hbreak" "Hardware assisted breakpoint \[0-9\]*.*" \
 313     "hardware break on default location"
 314
 315 # Verify that a "silent" breakpoint can be set, and that GDB is indeed
 316 # "silent" about its triggering.
 317 #
 318 if {![runto_main]} {
 319     return
 320 }
 321
 322 gdb_test_multiple "hbreak $bp_location1" \
 323     "set to-be-silent hardware break bp_location1" {
 324         -re "Hardware assisted breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $" {
 325             pass "set to-be-silent hardware break bp_location1"
 326         }
 327     }
 328
 329 gdb_test "commands $expect_out(1,string)\nsilent\nend" ">end" "set silent break bp_location1"
 330
 331 gdb_test "info break $expect_out(1,string)" \
 332     "\[0-9\]*\[ \t\]*hw breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*" \
 333     "info silent hardware break bp_location1"
 334
 335 gdb_test "continue" "Continuing." \
 336     "hit silent hardware break bp_location1"
 337
 338 gdb_test "bt" "#0  main .* at .*:$bp_location1.*" \
 339     "stopped for silent hardware break bp_location1"
 340
 341 # Verify that GDB can at least parse a breakpoint with the
 342 # "thread" keyword.  (We won't attempt to test here that a
 343 # thread-specific breakpoint really triggers appropriately.
 344 # The gdb.threads subdirectory contains tests for that.)
 345 #
 346 set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
 347 gdb_test "hbreak $bp_location12 thread 999" "Unknown thread 999.*" \
 348     "thread-specific hardware breakpoint on non-existent thread disallowed"
 349
 350 gdb_test "hbreak $bp_location12 thread foo" \
 351     "Invalid thread ID: foo" \
 352     "thread-specific hardware breakpoint on bogus thread ID disallowed"
 353
 354 # Verify that GDB responds gracefully to a breakpoint command with
 355 # trailing garbage.
 356 #
 357 gdb_test "hbreak $bp_location12 foo" \
 358     "malformed linespec error: unexpected string, \"foo\".*" \
 359     "hardware breakpoint with trailing garbage disallowed"
 360
 361 # Verify that GDB responds gracefully to a "clear" command that has
 362 # no matching breakpoint.  (First, get us off the current source line,
 363 # which we know has a breakpoint.)
 364 #
 365 gdb_test "next" "marker1.*" "step over hardware breakpoint"
 366
 367 gdb_test "clear 81" "No breakpoint at 81.*" \
 368     "clear line has no breakpoint disallowed"
 369
 370 gdb_test "clear" "No breakpoint at this line.*" \
 371     "clear current line has no breakpoint disallowed"
 372 delete_breakpoints
 373
 374 # Verify that a breakpoint can be set via a convenience variable.
 375 #
 376 gdb_test_no_output "set \$foo=$bp_location11" \
 377     "set convenience variable \$foo to bp_location11"
 378
 379 gdb_test "hbreak \$foo" \
 380     "Hardware assisted breakpoint (\[0-9\]*) at .*, line $bp_location11.*" \
 381     "set hardware breakpoint via convenience variable"
 382 delete_breakpoints
 383
 384 # Verify that GDB responds gracefully to an attempt to set a
 385 # breakpoint via a convenience variable whose type is not integer.
 386 #
 387 gdb_test_no_output "set \$foo=81.5" \
 388     "set convenience variable \$foo to 81.5"
 389
 390 gdb_test "hbreak \$foo" \
 391     "Convenience variables used in line specs must have integer values.*" \
 392     "set hardware breakpoint via non-integer convenience variable disallowed"
 393
 394 # Verify that we can set and trigger a breakpoint in a user-called function.
 395 #
 396 gdb_test "hbreak marker2" \
 397     "Hardware assisted breakpoint (\[0-9\]*) at .*, line $bp_location8.*" \
 398     "set hardware breakpoint on to-be-called function"
 399
 400 gdb_test "print marker2(99)" \
 401     "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.*" \
 402     "hit hardware breakpoint on called function"
 403
 404 # As long as we're stopped (breakpointed) in a called function,
 405 # verify that we can successfully backtrace & such from here.
 406 gdb_test "bt" \
 407     "#0\[ \t\]*($hex in )?marker2.*:$bp_location8\r\n#1\[ \t\]*<function called from gdb>.*" \
 408     "backtrace while in called function"
 409
 410 # Return from the called function.  For remote targets, it's important to do
 411 # this before runto_main, which otherwise may silently stop on the dummy
 412 # breakpoint inserted by GDB at the program's entry point.
 413 #
 414 gdb_test_multiple "finish" "finish from called function" {
 415     -re "Run till exit from .*marker2.* at .*$bp_location8\r\n.*function called from gdb.*$gdb_prompt $" {
 416         pass "finish from called function"
 417     }
 418     -re "Run till exit from .*marker2.* at .*$bp_location8\r\n.*Value returned.*$gdb_prompt $" {
 419         pass "finish from called function"
 420     }
 421 }
 422
 423 #********
 424
 425
 426 #
 427 # Test "next" over recursive function call.
 428 #
 429
 430 proc test_next_with_recursion {} {
 431     global gdb_prompt
 432     global decimal
 433     global binfile
 434
 435     delete_breakpoints
 436
 437     # Can't set a hardware breakpoint without a live target, so do it now
 438     # before it's killed below.
 439     gdb_test "hbreak factorial" \
 440         "Hardware assisted breakpoint $decimal at .*" \
 441         "hardware break at factorial"
 442
 443     gdb_test "kill" "" "kill program" \
 444         "Kill the program being debugged.*y or n. $" "y"
 445
 446     # Run until we call factorial with 6
 447
 448     gdb_run_cmd
 449     gdb_test "" \
 450         "Break.* factorial .value=6. .*" \
 451         "run to factorial(6)"
 452
 453     # Continue until we call factorial recursively with 5.
 454
 455     gdb_test "continue" \
 456         "Continuing.*Break.* factorial .value=5. .*" \
 457         "continue to factorial(5)"
 458
 459     # Do a backtrace just to confirm how many levels deep we are.
 460
 461     gdb_test "backtrace" \
 462         "#0\[ \t\]+ factorial .value=5..*" \
 463         "backtrace from factorial(5)"
 464
 465     # Now a "next" should position us at the recursive call, which
 466     # we will be performing with 4.
 467
 468     gdb_test "next" \
 469         ".* factorial .value - 1.;.*" \
 470         "next to recursive call"
 471
 472     # Disable the breakpoint at the entry to factorial by deleting them all.
 473     # The "next" should run until we return to the next line from this
 474     # recursive call to factorial with 4.
 475     # Buggy versions of gdb will stop instead at the innermost frame on
 476     # the line where we are trying to "next" to.
 477
 478     delete_breakpoints
 479
 480     if [istarget "mips*tx39-*"] {
 481         set timeout 60
 482     }
 483     # We used to set timeout here for all other targets as well.  This
 484     # is almost certainly wrong.  The proper timeout depends on the
 485     # target system in use, and how we communicate with it, so there
 486     # is no single value appropriate for all targets.  The timeout
 487     # should be established by the Dejagnu config file(s) for the
 488     # board, and respected by the test suite.
 489     #
 490     # For example, if I'm running GDB over an SSH tunnel talking to a
 491     # portmaster in California talking to an ancient 68k board running
 492     # a crummy ROM monitor (a situation I can only wish were
 493     # hypothetical), then I need a large timeout.  But that's not the
 494     # kind of knowledge that belongs in this file.
 495
 496     gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
 497         "next over recursive call"
 498
 499     # OK, we should be back in the same stack frame we started from.
 500     # Do a backtrace just to confirm.
 501
 502     gdb_test "backtrace" \
 503         "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
 504         "backtrace from factorial(5.1)"
 505
 506     if { ![target_info exists gdb,noresults] } {
 507         gdb_continue_to_end "recursive next test"
 508     }
 509 }
 510
 511 test_next_with_recursion
 512
 513
 514 #********
 515
 516 # Build a new file with optimization enabled so that we can try breakpoints
 517 # on targets with optimized prologues.
 518
 519 if { [prepare_for_testing "failed to prepare" "hbreak2o2" {break.c break1.c} {debug nowarnings optimize=-O2}] } {
 520     return -1
 521 }
 522
 523 if {![runto_main]} {
 524     return
 525 }
 526
 527 delete_breakpoints
 528
 529 #
 530 # Test break at function.
 531 #
 532 gdb_test "hbreak -q main" \
 533     "Hardware assisted breakpoint.*at.* file .*, line.*" \
 534     "hardware breakpoint function, optimized file"
 535
 536 #
 537 # Run until the breakpoint at main is hit.  For non-stubs-using targets.
 538 #
 539 gdb_run_cmd
 540 gdb_test_multiple "" "run until hardware function breakpoint, optimized file" {
 541     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
 542         pass "run until hardware function breakpoint, optimized file"
 543     }
 544     -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
 545         pass "run until hardware function breakpoint, optimized file (code motion)"
 546     }
 547 }
 548 delete_breakpoints
 549
 550 #
 551 # Test break at function.
 552 #
 553 gdb_test "hbreak marker4" \
 554     "Hardware assisted breakpoint.*at.* file .*$srcfile1, line.*" \
 555     "hardware breakpoint small function, optimized file"
 556
 557 #
 558 # Run until the breakpoint at a small function.
 559 #
 560
 561 #
 562 # Add a second pass pattern.  The behavior differs here between stabs
 563 # and dwarf for one-line functions.  Stabs preserves two line symbols
 564 # (one before the prologue and one after) with the same line number,
 565 # but dwarf regards these as duplicates and discards one of them.
 566 # Therefore the address after the prologue (where the breakpoint is)
 567 # has no exactly matching line symbol, and GDB reports the breakpoint
 568 # as if it were in the middle of a line rather than at the beginning.
 569
 570 set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
 571
 572 gdb_test_multiple "continue" \
 573     "run until hardware breakpoint set at small function, optimized file" {
 574         -re "Breakpoint $decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
 575             pass "run until hardware breakpoint set at small function, optimized file (line bp_location14)"
 576         }
 577         -re "Breakpoint $decimal, factorial \\(.*\\) .*\{\r\n$gdb_prompt" {
 578             # GCC 4.3 emits bad line number information - see gcc/36748.
 579             if { [test_compiler_info "gcc-4-3-*"] } {
 580                 setup_xfail *-*-*
 581             }
 582             fail "run until hardware breakpoint set at small function, optimized file"
 583         }
 584 }