gdb/testsuite/gdb.base/maint.exp

   1 # Copyright 1998-2015 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 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
  17
  18 # this file tests maintenance commands and help on those.
  19
  20 # source file used is break.c
  21
  22
  23 #maintenance check-psymtabs -- Check consistency of psymtabs vs symtabs
  24 #maintenance check-symtabs -- Check consistency of symtabs
  25 #maintenance expand-symtabs -- Expand symtabs matching a file regexp
  26 #maintenance set -- Set GDB internal variables used by the GDB maintainer
  27 #maintenance show -- Show GDB internal variables used by the GDB maintainer
  28 #maintenance demangle -- Demangle a C++ mangled name
  29 #maintenance dump-me -- Get fatal error; make debugger dump its core
  30 #maintenance print -- Maintenance command for printing GDB internal state
  31 #maintenance info -- Commands for showing internal info about the program being debugged
  32 #maintenance internal-error -- Give GDB an internal error.
  33 #
  34 #maintenance print dummy-frames -- Print the dummy frame stack
  35 #maintenance print statistics -- Print statistics about internal gdb state
  36 #maintenance print objfiles -- Print dump of current object file definitions
  37 #maintenance print psymbols -- Print dump of current partial symbol definitions
  38 #maintenance print msymbols -- Print dump of current minimal symbol definitions
  39 #maintenance print symbols -- Print dump of current symbol definitions
  40 #maintenance print type -- Print a type chain for a given symbol
  41 #maintenance print unwind -- Print unwind table entry at given address
  42 #
  43 #
  44 #maintenance info sections -- List the BFD sections of the exec and core files
  45 #maintenance info breakpoints -- Status of all breakpoints
  46 #
  47
  48
  49
  50 standard_testfile break.c break1.c
  51
  52 if {[prepare_for_testing $testfile.exp $testfile \
  53          [list $srcfile $srcfile2] {debug nowarnings}]} {
  54     untested $testfile.exp
  55     return -1
  56 }
  57
  58 # The commands we test here produce many lines of output; disable "press
  59 # <return> to continue" prompts.
  60 gdb_test_no_output "set height 0"
  61
  62 # Tests that require that no program is running
  63
  64 gdb_file_cmd ${binfile}
  65
  66 # Test for a regression where this command would internal-error if the
  67 # program wasn't running.
  68 gdb_test "maint print registers" "Name.*Nr.*Rel.*Offset.*Size.*Type.*"
  69
  70 # Test "mt expand-symtabs" here as it's easier to verify before we
  71 # run the program.
  72 gdb_test_no_output "mt set per on" "mt set per on for expand-symtabs"
  73 gdb_test_multiple "mt expand-symtabs $subdir/break\[.\]c$" \
  74     "mt expand-symtabs" {
  75         -re "#compunits: (1|2) \\(\[+\](0|1|2)\\),.*$gdb_prompt $" {
  76             # This should expand at most two primary symtabs.
  77             # "Normally" it will not expand any, because the symtab
  78             # holding "main" will already have been expanded, but if the
  79             # file is compiled with -fdebug-types-section then a second primary
  80             # symtab for break.c will be created for any types.
  81             pass "mt expand-symtabs"
  82         }
  83     }
  84 gdb_test "mt set per off" ".*" "mt set per off for expand-symtabs"
  85
  86 # Tests that can or should be done with a running program
  87
  88 gdb_load ${binfile}
  89
  90 if ![runto_main] then {
  91         perror "tests suppressed"
  92 }
  93
  94 # If we're using .gdb_index there will be no psymtabs.
  95 set have_gdb_index 0
  96 gdb_test_multiple "maint info sections .gdb_index" "check for .gdb_index" {
  97     -re ": .gdb_index.*$gdb_prompt $" {
  98         set have_gdb_index 1
  99     }
 100     -re ".*$gdb_prompt $" {
 101         ;# Nothing to do, present to avoid a FAIL.
 102     }
 103 }
 104
 105 #
 106 # this command does not produce any output
 107 # unless there is some problem with the symtabs and psymtabs
 108 # so that branch will really never be covered in this tests here!!
 109 #
 110
 111 # guo: on linux this command output is huge.  for some reason splitting up
 112 # the regexp checks works.
 113 #
 114 send_gdb "maint check-psymtabs\n"
 115 gdb_expect  {
 116     -re "^maint check-psymtabs" {
 117         gdb_expect {
 118             -re "$gdb_prompt $" {
 119                 pass "maint check-psymtabs"
 120             }
 121             timeout { fail "(timeout) maint check-psymtabs" }
 122         }
 123     }
 124     -re ".*$gdb_prompt $"     { fail "maint check-psymtabs" }
 125     timeout         { fail "(timeout) maint check-psymtabs" }
 126 }
 127
 128 # This command does not produce any output unless there is some problem
 129 # with the symtabs, so that branch will really never be covered in the
 130 # tests here!!
 131 gdb_test_no_output "maint check-symtabs"
 132
 133 # Test per-command stats.
 134 gdb_test_no_output "maint set per-command on"
 135 gdb_test "pwd" \
 136     "Command execution time: \[0-9.\]+ \\(cpu\\), \[0-9.\]+ \\(wall\\)\[\r\n\]+Space used: $decimal \\(\\+$decimal for this command\\)\[\r\n\]+#symtabs: $decimal \\(\\+$decimal\\), #compunits: $decimal \\(\\+$decimal\\), #blocks: $decimal \\(\\+$decimal\\)"
 137 gdb_test_no_output "maint set per-command off"
 138
 139 gdb_test "maint demangle" \
 140     "\"maintenance demangle\" takes an argument to demangle\\."
 141
 142 gdb_test "maint demangle main" "Can't demangle \"main\""
 143
 144
 145
 146 # The timeout value is raised, because printing all the symbols and
 147 # statistical information about Cygwin and Windows libraries takes a lot
 148 # of time.
 149 if [istarget "*-*-cygwin*"] {
 150         set oldtimeout $timeout
 151         set timeout [expr $timeout + 500]
 152 }
 153
 154 send_gdb "maint print statistics\n"
 155 gdb_expect  {
 156     -re "Statistics for\[^\n\r\]*maint\[^\n\r\]*:\r\n  Number of \"minimal\" symbols read: $decimal\r\n(  Number of \"partial\" symbols read: $decimal\r\n)?  Number of \"full\" symbols read: $decimal\r\n  Number of \"types\" defined: $decimal\r\n(  Number of psym tables \\(not yet expanded\\): $decimal\r\n)?(  Number of read CUs: $decimal\r\n  Number of unread CUs: $decimal\r\n)?  Number of symbol tables: $decimal\r\n  Number of symbol tables with line tables: $decimal\r\n  Number of symbol tables with blockvectors: $decimal\r\n  Total memory used for objfile obstack: $decimal\r\n  Total memory used for BFD obstack: $decimal\r\n  Total memory used for psymbol cache: $decimal\r\n  Total memory used for macro cache: $decimal\r\n  Total memory used for file name cache: $decimal\r\n" {
 157         gdb_expect {
 158             -re "$gdb_prompt $" {
 159                 pass "maint print statistics"
 160             }
 161             timeout { fail "(timeout) maint print statistics" }
 162         }
 163     }
 164     -re ".*$gdb_prompt $"     { fail "maint print statistics" }
 165     timeout         { fail "(timeout) maint print statistics" }
 166 }
 167
 168 # There aren't any ...
 169 gdb_test_no_output "maint print dummy-frames"
 170
 171 send_gdb "maint print objfiles\n"
 172
 173 # To avoid timeouts, we avoid expects with many .* patterns that match
 174 # many lines.  Instead, we keep track of which milestones we've seen
 175 # in the output, and stop when we've seen all of them.
 176
 177 set header 0
 178 set psymtabs 0
 179 set symtabs 0
 180 set keep_looking 1
 181
 182 while {$keep_looking} {
 183     gdb_expect  {
 184
 185         -re "\r\n" {
 186             set output $expect_out(buffer)
 187             if {[regexp ".*Object file.*maint($EXEEXT)?:  Objfile at ${hex}" $output]} {
 188                 set header 1
 189             }
 190             if {[regexp ".*Psymtabs:\[\r\t \]+\n" $output]} {
 191                 set psymtabs 1
 192             }
 193             if {[regexp ".*Symtabs:\[\r\t \]+\n" $output]} {
 194                 set symtabs 1
 195             }
 196         }
 197
 198         -re ".*$gdb_prompt $" {
 199             set keep_looking 0
 200         }
 201         timeout {
 202             fail "(timeout) maint print objfiles"
 203             set keep_looking 0
 204         }
 205     }
 206 }
 207
 208 proc maint_pass_if {val name} {
 209     if $val { pass $name } else { fail $name }
 210 }
 211
 212 maint_pass_if $header   "maint print objfiles: header"
 213 if { ! $have_gdb_index } {
 214     maint_pass_if $psymtabs "maint print objfiles: psymtabs"
 215 }
 216 maint_pass_if $symtabs  "maint print objfiles: symtabs"
 217
 218 gdb_test "maint print psymbols" \
 219     "print-psymbols takes an output file name and optional symbol file name" \
 220     "maint print psymbols w/o args"
 221
 222 if { ! $have_gdb_index } {
 223     set psymbols_output [standard_output_file psymbols_output]
 224     send_gdb "maint print psymbols $psymbols_output ${srcdir}/${subdir}/${srcfile}\n"
 225     gdb_expect  {
 226         -re "^maint print psymbols $psymbols_output \[^\n\]*\r\n$gdb_prompt $" {
 227             send_gdb "shell ls $psymbols_output\n"
 228             gdb_expect {
 229                 -re "$psymbols_output\r\n$gdb_prompt $" {
 230                     # We want this grep to be as specific as possible,
 231                     # so it's less likely to match symbol file names in
 232                     # psymbols_output.  Yes, this actually happened;
 233                     # poor expect got tons of output, and timed out
 234                     # trying to match it.   --- Jim Blandy <jimb@cygnus.com>
 235                     send_gdb "shell grep 'main.*function' $psymbols_output\n"
 236                     gdb_expect {
 237                         -re ".main., function, $hex.*$gdb_prompt $" {
 238                             pass "maint print psymbols 1"
 239                         }
 240                         -re ".*main.  .., function, $hex.*$gdb_prompt $" {
 241                             pass "maint print psymbols 2"
 242                         }
 243                         -re ".*$gdb_prompt $" { fail "maint print psymbols" }
 244                         timeout     { fail "(timeout) maint print psymbols" }
 245                     }
 246                     gdb_test "shell rm -f $psymbols_output" ".*" \
 247                         "shell rm -f psymbols_output"
 248                 }
 249                 -re ".*$gdb_prompt $"       { fail "maint print psymbols" }
 250                 timeout           { fail "(timeout) maint print psymbols" }
 251             }
 252         }
 253         -re ".*$gdb_prompt $"       { fail "maint print psymbols" }
 254         timeout           { fail "(timeout) maint print psymbols" }
 255     }
 256 }
 257
 258 gdb_test "maint print msymbols" \
 259     "print-msymbols takes an output file name and optional symbol file name" \
 260     "maint print msymbols w/o args"
 261
 262
 263 set msymbols_output [standard_output_file msymbols_output]
 264 send_gdb "maint print msymbols $msymbols_output ${binfile}\n"
 265 gdb_expect  {
 266     -re "^maint print msymbols $msymbols_output \[^\n\]*\r\n$gdb_prompt $" {
 267         send_gdb "shell ls $msymbols_output\n"
 268         gdb_expect {
 269             -re "$msymbols_output\r\n$gdb_prompt $" {
 270                 send_gdb "shell grep factorial $msymbols_output\n"
 271                 gdb_expect {
 272                     -re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" {
 273                         pass "maint print msymbols"
 274                     }
 275                     -re ".*$gdb_prompt $"     { fail "maint print msymbols" }
 276                     timeout         { fail "(timeout) maint print msymbols" }
 277                 }
 278                 gdb_test "shell rm -f $msymbols_output" ".*" \
 279                     "shell rm -f msymbols_output"
 280             }
 281             -re ".*$gdb_prompt $"     { fail "maint print msymbols" }
 282             timeout         { fail "(timeout) maint print msymbols" }
 283         }
 284     }
 285     -re ".*$gdb_prompt $"     { fail "maint print msymbols" }
 286     timeout         { fail "(timeout) maint print msymbols" }
 287 }
 288
 289 # Check that maint print msymbols allows relative pathnames
 290 set mydir [pwd]
 291 gdb_test "cd [standard_output_file {}]" \
 292     "Working directory .*\..*" \
 293     "cd to objdir"
 294
 295 gdb_test_multiple "maint print msymbols msymbols_output2 ${testfile}" "maint print msymbols" {
 296     -re "^maint print msymbols msymbols_output2 \[^\n\]*\r\n$gdb_prompt $" {
 297         gdb_test_multiple "shell ls msymbols_output2" "maint print msymbols" {
 298             -re "msymbols_output2\r\n$gdb_prompt $" {
 299                 gdb_test_multiple "shell grep factorial msymbols_output2" "maint print msymbols" {
 300                     -re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" {
 301                         pass "maint print msymbols"
 302                     }
 303                     -re ".*$gdb_prompt $" {
 304                         fail "maint print msymbols"
 305                     }
 306                     timeout {
 307                         fail "(timeout) maint print msymbols"
 308                     }
 309                 }
 310                 gdb_test "shell rm -f msymbols_output2" ".*" \
 311                     "shell rm -f msymbols_output2"
 312             }
 313             -re ".*$gdb_prompt $" {
 314                 fail "maint print msymbols"
 315             }
 316             timeout {
 317                 fail "(timeout) maint print msymbols"
 318             }
 319         }
 320     }
 321     -re ".*$gdb_prompt $" {
 322         fail "maint print msymbols"
 323     }
 324     timeout {
 325         fail "(timeout) maint print msymbols"
 326     }
 327 }
 328 gdb_test "cd ${mydir}" \
 329     "Working directory [string_to_regexp ${mydir}]\..*" \
 330     "cd to mydir"
 331
 332 gdb_test "maint print symbols" \
 333     "Arguments missing: an output file name and an optional symbol file name" \
 334     "maint print symbols w/o args"
 335
 336
 337 # Request symbols for one particular source file so that we don't try to
 338 # dump the symbol information for the entire C library - over 500MB nowadays
 339 # for GNU libc.
 340
 341 set symbols_output [standard_output_file symbols_output]
 342 send_gdb "maint print symbols $symbols_output ${srcdir}/${subdir}/${srcfile}\n"
 343 gdb_expect  {
 344     -re "^maint print symbols $symbols_output \[^\n\]*\r\n$gdb_prompt $" {
 345         send_gdb "shell ls $symbols_output\n"
 346         gdb_expect {
 347             -re "$symbols_output\r\n$gdb_prompt $" {
 348                 # See comments for `maint print psymbols'.
 349                 send_gdb "shell grep 'main(.*block' $symbols_output\n"
 350                 gdb_expect {
 351                     -re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $" {
 352                         pass "maint print symbols"
 353                     }
 354                     -re ".*$gdb_prompt $"     { fail "maint print symbols" }
 355                     timeout         { fail "(timeout) maint print symbols" }
 356                 }
 357                 gdb_test "shell rm -f $symbols_output" ".*" \
 358                     "shell rm -f symbols_output"
 359             }
 360             -re ".*$gdb_prompt $"     { fail "maint print symbols" }
 361             timeout         { fail "(timeout) maint print symbols" }
 362         }
 363     }
 364     -re ".*$gdb_prompt $"     { fail "maint print symbols" }
 365     timeout         { fail "(timeout) maint print symbols" }
 366 }
 367
 368 set msg "maint print type"
 369 gdb_test_multiple "maint print type argc" $msg {
 370     -re "type node $hex\r\nname .int. \\($hex\\)\r\ntagname .<NULL>. \\($hex\\)\r\ncode $hex \\(TYPE_CODE_INT\\)\r\nlength \[24\]\r\nobjfile $hex\r\ntarget_type $hex\r\npointer_type $hex\r\nreference_type $hex\r\ntype_chain $hex\r\ninstance_flags $hex\r\nflags\r\nnfields 0 $hex\r\nvptr_basetype $hex\r\nvptr_fieldno -1\r\n$gdb_prompt $" {
 371         pass $msg
 372     }
 373 }
 374
 375 if [istarget "hppa*-*-11*"] {
 376     setup_xfail hppa*-*-*11* CLLbs14860
 377     gdb_test_multiple "maint print unwind &main" "maint print unwind" {
 378         -re ".*unwind_table_entry \\($hex\\):\r\n\tregion_start = $hex <main>\r\n\tregion_end = $hex <main\\+\[0-9\]*>\r\n\tflags = Args_stored Save_RP\r\n\tRegion_description = $hex\r\n\tEntry_FR = $hex\r\n\tEntry_GR = $hex\r\n\tTotal_frame_size = $hex\r\n$gdb_prompt $" {
 379             pass "maint print unwind"
 380         }
 381         -re ".*unwind_table_entry \\($hex\\):\r\n\tregion_start = $hex <main>\r\n\tregion_end = $hex <main\\+\[0-9\]*>\r\n\tflags = Args_stored Save_RP\r\n\tFLD = $hex\r\n\tFLD = $hex\r\n\tFLD = $hex\r\n\tFLD = $hex\r\n$gdb_prompt $" {
 382             xfail "maint print unwind"
 383         }
 384     }
 385 }
 386
 387 set oldtimeout $timeout
 388 set timeout [expr $timeout + 300]
 389
 390 # It'd be nice to check for every possible section.  However, that's
 391 # problematic, since the relative ordering wanders from release to
 392 # release of the compilers.  Instead, we'll just check for two
 393 # sections which appear to always come out in the same relative
 394 # order.  (If that changes, then we should just check for one
 395 # section.)
 396 #
 397 # And by the way: This testpoint will break for PA64, where a.out's
 398 # are ELF files.
 399
 400 # Standard GNU names.
 401 set text_section ".text"
 402 set data_section ".data"
 403
 404 gdb_test_multiple "maint info sections" "maint info sections" {
 405     -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*ER_RO.*$gdb_prompt $" {
 406         # Looks like RealView which uses different section names.
 407         set text_section ER_RO
 408         set data_section ER_RW
 409         pass "maint info sections"
 410     }
 411     -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*neardata.*$gdb_prompt $" {
 412         # c6x doesn't have .data section.  It has .neardata and .fardata section.
 413         set data_section ".neardata"
 414         pass "maint info sections"
 415     }
 416     -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*$gdb_prompt $" {
 417         pass "maint info sections"
 418     }
 419 }
 420
 421 # Test for new option: maint info sections <section name>
 422 # If you don't have a .text section, this will require tweaking.
 423
 424 gdb_test_multiple "maint info sections $text_section" \
 425     "maint info sections .text" {
 426         -re ".* \\.bss .*$gdb_prompt $" {
 427             fail "maint info sections .text"
 428         }
 429         -re ".* $data_section .*$gdb_prompt $" {
 430             fail "maint info sections .text"
 431         }
 432         -re ".* $text_section .*$gdb_prompt $" {
 433             pass "maint info sections .text"
 434         }
 435     }
 436
 437 # Test for new option: CODE section flag
 438 # If your data section is tagged CODE, xfail this test.
 439
 440 gdb_test_multiple "maint info sections CODE" "maint info sections CODE" {
 441     -re ".* $data_section .*$gdb_prompt $" { fail "maint info sections CODE" }
 442     -re ".* $text_section .*$gdb_prompt $" { pass "maint info sections CODE" }
 443 }
 444
 445 # Test for new option: DATA section flag
 446 # If your text section is tagged DATA, xfail this test.
 447 #
 448 # The "maint info sections DATA" test is marked for XFAIL on Windows,
 449 # because Windows has text sections marked DATA.
 450 setup_xfail "*-*-*cygwin*"
 451 setup_xfail "*-*-*mingw*"
 452
 453 gdb_test_multiple "maint info sections DATA" "maint info sections DATA" {
 454     -re ".* $text_section .*$gdb_prompt $" { fail "maint info sections DATA" }
 455     -re ".* $data_section .*$gdb_prompt $" { pass "maint info sections DATA" }
 456     -re ".* .rodata .*$gdb_prompt $" { pass "maint info sections DATA" }
 457 }
 458
 459 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 460
 461 gdb_test_multiple "maint info breakpoints" "maint info breakpoints" {
 462     -re "Num\[ \t\]+Type\[ \t\]+Disp\[ \t\]+Enb\[ \t\]+Address\[ \t\]+What\r\n1\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+$hex\[ \t\]+in main at.*break.c:$bp_location6 inf 1\r\n\[ \t\]+breakpoint already hit 1 time\r\n.*$gdb_prompt $" {
 463         pass "maint info breakpoints"
 464     }
 465     -re "Num\[ \t\]+Type\[ \t\]+Disp\[ \t\]+Enb\[ \t\]+Address\[ \t\]+What\r\n1\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+$hex in main at.*break.c:$bp_location6 sspace 1\r\n\[ \t\]+breakpoint already hit 1 time\r\n-1\[ \t\]+shlib events\[ \t\]+keep\[ \t\]+y\[ \t\]+$hex.*breakpoint already hit.*$gdb_prompt $" {
 466         pass "maint info breakpoints (with shlib events)"
 467     }
 468 }
 469
 470 gdb_test "maint print" \
 471     "\"maintenance print\" must be followed by the name of a print command\\.\r\nList.*unambiguous\\..*" \
 472     "maint print w/o args"
 473
 474 gdb_test "maint info" \
 475     "\"maintenance info\" must be followed by the name of an info command\\.\r\nList.*unambiguous\\..*" \
 476     "maint info w/o args"
 477
 478 gdb_test "maint" \
 479     "\"maintenance\" must be followed by the name of a maintenance command\\.\r\nList.*unambiguous\\..*" \
 480     "maint w/o args"
 481
 482 set timeout $oldtimeout
 483
 484 #============test help on maint commands
 485
 486 gdb_test "help maint" \
 487     "Commands for use by GDB maintainers\\..*Includes commands to dump specific internal GDB structures in.*a human readable form, to cause GDB to deliberately dump core,.*to test internal functions such as the C../ObjC demangler, etc\\..*List of maintenance subcommands:.*maintenance info.*maintenance internal-error.*maintenance print.*maintenance set.*maintenance show.*Type.*help maintenance.*followed by maintenance subcommand name for full documentation\\..*Command name abbreviations are allowed if unambiguous\\..*"
 488
 489 gdb_test "help maint info" \
 490     "Commands for showing internal info about the program being debugged.*unambiguous\\..*"
 491
 492 test_prefix_command_help {"maint print" "maintenance print"} {
 493     "Maintenance command for printing GDB internal state\\.\[\r\n\]+"
 494 }
 495
 496 test_prefix_command_help {"maint" "maintenance"} {
 497     "Commands for use by GDB maintainers\\.\[\r\n\]+"
 498     "Includes commands to dump specific internal GDB structures in\[\r\n\]+"
 499     "a human readable form, to cause GDB to deliberately dump core,\[\r\n\]+"
 500     "to test internal functions such as the C\\+\\+/ObjC demangler, etc\\.\[\r\n\]+"
 501 }
 502
 503 #set oldtimeout $timeout
 504 #set timeout [expr $timeout + 300]
 505
 506 gdb_test_multiple "maint dump-me" "maint dump-me" {
 507     -re "Should GDB dump core.*\\(y or n\\) $" {
 508         gdb_test "n" ".*" "maint dump-me"
 509     }
 510     -re "Undefined maintenance command: .*$gdb_prompt $" {
 511         # Command 'maint dump-me' is registered on non-win32 host.
 512         unsupported "maint dump-me"
 513     }
 514 }
 515
 516 send_gdb "maint internal-error\n"
 517 gdb_expect {
 518     -re "A problem internal to GDB has been detected" {
 519         pass "maint internal-error"
 520         if [gdb_internal_error_resync] {
 521             pass "internal-error resync"
 522         } else {
 523             fail "internal-error resync"
 524         }
 525     }
 526     -re ".*$gdb_prompt $" {
 527         fail "maint internal-error"
 528         untested "internal-error resync"
 529     }
 530     timeout {
 531         fail "maint internal-error (timeout)"
 532         untested "internal-error resync"
 533     }
 534 }
 535
 536 #set timeout $oldtimeout
 537
 538
 539 gdb_exit
 540 return 0