gdb/testsuite/gdb.base/maint.exp

   1 # Copyright 1998-2022 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 dump-me -- Get fatal error; make debugger dump its core
  29 #maintenance print -- Maintenance command for printing GDB internal state
  30 #maintenance info -- Commands for showing internal info about the program being debugged
  31 #maintenance internal-error -- Give GDB an internal error.
  32 #
  33 #maintenance print dummy-frames -- Print the dummy frame stack
  34 #maintenance print statistics -- Print statistics about internal gdb state
  35 #maintenance print objfiles -- Print dump of current object file definitions
  36 #maintenance print psymbols -- Print dump of current partial symbol definitions
  37 #maintenance print msymbols -- Print dump of current minimal symbol definitions
  38 #maintenance print symbols -- Print dump of current symbol definitions
  39 #maintenance print type -- Print a type chain for a given symbol
  40 #maintenance print unwind -- Print unwind table entry at given address
  41 #
  42 #
  43 #maintenance info breakpoints -- Status of all breakpoints
  44 #
  45
  46
  47
  48 standard_testfile break.c break1.c
  49
  50 if {[prepare_for_testing "failed to prepare" $testfile \
  51          [list $srcfile $srcfile2] {debug nowarnings}]} {
  52     return -1
  53 }
  54
  55 set readnow_p [readnow]
  56
  57 # The commands we test here produce many lines of output; disable "press
  58 # <return> to continue" prompts.
  59 gdb_test_no_output "set height 0"
  60
  61 # Tests that require that no program is running
  62
  63 gdb_file_cmd ${binfile}
  64
  65 # Test for a regression where this command would internal-error if the
  66 # program wasn't running.  If there's a lot of registers then this
  67 # might overflow expect's buffers, so process the output line at a
  68 # time.
  69 set saw_registers 0
  70 set saw_headers 0
  71 set test "maint print registers"
  72 gdb_test_multiple $test $test {
  73     -re "\[^\r\n\]+Name\[^\r\n\]+Nr\[^\r\n\]+Rel\[^\r\n\]+Offset\[^\r\n\]+Size\[^\r\n\]+Type\[^\r\n\]+\r\n" {
  74         set saw_headers 1
  75         exp_continue
  76     }
  77     -re "^\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\r\n" {
  78         set saw_registers 1
  79         exp_continue
  80     }
  81     -re "^\\*\[0-9\]+\[^\r\n\]+\r\n" {
  82         exp_continue
  83     }
  84     -re "$gdb_prompt $" {
  85         gdb_assert { $saw_registers && $saw_headers } $test
  86     }
  87 }
  88
  89 # Test "mt expand-symtabs" here as it's easier to verify before we
  90 # run the program.
  91 gdb_test_no_output "mt set per on" "mt set per on for expand-symtabs"
  92 gdb_test_multiple "mt expand-symtabs $subdir/break\[.\]c$" \
  93     "mt expand-symtabs" {
  94         -re "#compunits: (1|2) \\(\[+\](0|1|2)\\),.*$gdb_prompt $" {
  95             # This should expand at most two primary symtabs.
  96             # "Normally" it will not expand any, because the symtab
  97             # holding "main" will already have been expanded, but if the
  98             # file is compiled with -fdebug-types-section then a second primary
  99             # symtab for break.c will be created for any types.
 100             pass "$gdb_test_name"
 101         }
 102         -re "#compunits: ($decimal) \\(\[+\]0\\),.*$gdb_prompt $" {
 103             if { $readnow_p } {
 104                 pass "$gdb_test_name"
 105             } else {
 106                 fail "$gdb_test_name"
 107             }
 108         }
 109     }
 110 gdb_test "mt set per off" ".*" "mt set per off for expand-symtabs"
 111
 112 # Tests that can or should be done with a running program
 113
 114 gdb_load ${binfile}
 115
 116 if ![runto_main] then {
 117         perror "tests suppressed"
 118 }
 119
 120 # If we're using .gdb_index or .debug_names there will be no psymtabs.
 121 set have_gdb_index [ exec_has_index_section ${binfile} ]
 122
 123 # There also won't be any psymtabs if we read the index from the index cache.
 124 # We can detect this by looking if the index-cache is enabled and if the number
 125 # of cache misses is 0.
 126 set index_cache_misses -1
 127 gdb_test_multiple "show index-cache stats" "check index cache stats" {
 128     -re ".*Cache misses \\(this session\\): (\\d+)\r\n.*$gdb_prompt $" {
 129         set index_cache_misses $expect_out(1,string)
 130     }
 131 }
 132
 133 set using_index_cache 0
 134 gdb_test_multiple "show index-cache enabled" "check index cache status" {
 135     -re ".*is off.\r\n$gdb_prompt $" {
 136         set using_index_cache 0
 137     }
 138     -re ".*is on.\r\n$gdb_prompt $" {
 139         set using_index_cache 1
 140     }
 141 }
 142
 143 if { $index_cache_misses == 0 && $using_index_cache } {
 144     set have_gdb_index 1
 145 }
 146
 147 set have_psyms [expr ! ( $have_gdb_index || $readnow_p )]
 148
 149 #
 150 # this command does not produce any output
 151 # unless there is some problem with the symtabs and psymtabs
 152 # so that branch will really never be covered in this tests here!!
 153 #
 154
 155 # guo: on linux this command output is huge.  for some reason splitting up
 156 # the regexp checks works.
 157 #
 158 send_gdb "maint check-psymtabs\n"
 159 gdb_expect  {
 160     -re "^maint check-psymtabs" {
 161         gdb_expect {
 162             -re "$gdb_prompt $" {
 163                 pass "maint check-psymtabs"
 164             }
 165             timeout { fail "(timeout) maint check-psymtabs" }
 166         }
 167     }
 168     -re ".*$gdb_prompt $"     { fail "maint check-psymtabs" }
 169     timeout         { fail "(timeout) maint check-psymtabs" }
 170 }
 171
 172 # This command does not produce any output unless there is some problem
 173 # with the symtabs, so that branch will really never be covered in the
 174 # tests here!!
 175 gdb_test_no_output "maint check-symtabs"
 176
 177 # Test per-command stats.
 178 gdb_test_no_output "maint set per-command on"
 179 set decimal "\[0-9\]+"
 180 set time_fmt "${decimal}-${decimal}-${decimal} ${decimal}:${decimal}:${decimal}\\.${decimal}"
 181 gdb_test "pwd" \
 182     "${time_fmt} - command started\r\n.*\r\n${time_fmt} - command finished\r\nCommand 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\\)"
 183 gdb_test "maint set per-command off" \
 184     "${time_fmt} - command started"
 185
 186 # The timeout value is raised, because printing all the symbols and
 187 # statistical information about Cygwin and Windows libraries takes a lot
 188 # of time.
 189 if [istarget "*-*-cygwin*"] {
 190         set oldtimeout $timeout
 191         set timeout [expr $timeout + 500]
 192 }
 193
 194 set re \
 195     [list \
 196          "Statistics for\[^\n\r\]*maint\[^\n\r\]*:" \
 197          "  Number of \"minimal\" symbols read: $decimal" \
 198          "  Number of \"full\" symbols read: $decimal" \
 199          "  Number of \"types\" defined: $decimal" \
 200          "  Number of symbol tables: $decimal" \
 201          "  Number of symbol tables with line tables: $decimal" \
 202          "  Number of symbol tables with blockvectors: $decimal" \
 203          "(  Number of read CUs: $decimal" \
 204          "  Number of unread CUs: $decimal" \
 205          ")?(  Number of \"partial\" symbols read: $decimal" \
 206          ")?(  Number of psym tables \\(not yet expanded\\): $decimal" \
 207          ")?(  Total memory used for psymbol cache: $decimal" \
 208          ")?  Total memory used for objfile obstack: $decimal" \
 209          "  Total memory used for BFD obstack: $decimal" \
 210          "  Total memory used for string cache: $decimal" \
 211          ""]
 212
 213 set re [multi_line {*}$re]
 214 gdb_test_lines "maint print statistics" "" $re
 215
 216 # There aren't any ...
 217 gdb_test_no_output "maint print dummy-frames"
 218
 219
 220
 221 # To avoid timeouts, we avoid expects with many .* patterns that match
 222 # many lines.  Instead, we keep track of which milestones we've seen
 223 # in the output, and stop when we've seen all of them.
 224
 225 set header 0
 226 set psymtabs 0
 227 set symtabs 0
 228 gdb_test_multiple "maint print objfiles" "" -lbl {
 229     -re "\r\nObject file.*maint($EXEEXT)?:  Objfile at ${hex}" {
 230         set header 1
 231         exp_continue
 232     }
 233     -re "\r\nPsymtabs:\[\r\t \]+" {
 234         set psymtabs 1
 235         exp_continue
 236     }
 237     -re "\r\nSymtabs:\[\r\t \]+\n" {
 238         set symtabs 1
 239         exp_continue
 240     }
 241     -re -wrap "" {
 242         pass $gdb_test_name
 243     }
 244 }
 245
 246 proc maint_pass_if {val name} {
 247     if $val { pass $name } else { fail $name }
 248 }
 249
 250 maint_pass_if $header   "maint print objfiles: header"
 251 if { $have_psyms } {
 252     maint_pass_if $psymtabs "maint print objfiles: psymtabs"
 253 }
 254 maint_pass_if $symtabs  "maint print objfiles: symtabs"
 255
 256 if { $have_psyms } {
 257     set psymbols_output [standard_output_file psymbols_output]
 258     set psymbols_output_re [string_to_regexp $psymbols_output]
 259     set test_list [list \
 260                        "maint print psymbols -source" \
 261                        "maint print psymbols -source ${srcdir}/${subdir}/${srcfile} $psymbols_output" \
 262                        "maint print psymbols -pc" \
 263                        "maint print psymbols -pc main $psymbols_output"]
 264     foreach { test_name command } $test_list {
 265         send_gdb "$command\n"
 266             gdb_expect  {
 267                 -re "^maint print psymbols \[^\n\]*\r\n$gdb_prompt $" {
 268                     send_gdb "shell ls $psymbols_output\n"
 269                     gdb_expect {
 270                         -re "$psymbols_output_re\r\n$gdb_prompt $" {
 271                             # We want this grep to be as specific as possible,
 272                             # so it's less likely to match symbol file names in
 273                             # psymbols_output.  Yes, this actually happened;
 274                             # poor expect got tons of output, and timed out
 275                             # trying to match it.   --- Jim Blandy <jimb@cygnus.com>
 276                             send_gdb "shell grep 'main.*function' $psymbols_output\n"
 277                             gdb_expect {
 278                                 -re ".main., function, $hex.*$gdb_prompt $" {
 279                                     pass "$test_name 1"
 280                                 }
 281                                 -re ".*main.  .., function, $hex.*$gdb_prompt $" {
 282                                     pass "$test_name 2"
 283                                 }
 284                                 -re ".*$gdb_prompt $" { fail "$test_name" }
 285                                 timeout { fail "$test_name (timeout)" }
 286                             }
 287                             gdb_test "shell rm -f $psymbols_output" ".*" \
 288                                 "${test_name}: shell rm -f psymbols_output"
 289                         }
 290                         -re ".*$gdb_prompt $" { fail "$test_name" }
 291                         timeout { fail "$test_name (timeout)" }
 292                     }
 293                 }
 294                 -re ".*$gdb_prompt $" { fail "$test_name" }
 295                 timeout { fail "$test_name (timeout)" }
 296             }
 297     }
 298 }
 299
 300
 301 set msymbols_output [standard_output_file msymbols_output]
 302 set msymbols_output_re [string_to_regexp $msymbols_output]
 303 send_gdb "maint print msymbols -objfile ${binfile} $msymbols_output\n"
 304 gdb_expect  {
 305     -re "^maint print msymbols \[^\n\]*\r\n$gdb_prompt $" {
 306         send_gdb "shell ls $msymbols_output\n"
 307         gdb_expect {
 308             -re "$msymbols_output_re\r\n$gdb_prompt $" {
 309                 gdb_test "shell grep factorial $msymbols_output" \
 310                     "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
 311                     "maint print msymbols, absolute pathname"
 312                 gdb_test "shell rm -f $msymbols_output" ".*" \
 313                     "shell rm -f msymbols_output"
 314             }
 315             -re ".*$gdb_prompt $" { fail "maint print msymbols" }
 316             timeout { fail "maint print msymbols (timeout)" }
 317         }
 318     }
 319     -re ".*$gdb_prompt $" { fail "maint print msymbols" }
 320     timeout { fail "maint print msymbols (timeout)" }
 321 }
 322
 323 # Check that maint print msymbols allows relative pathnames
 324 set mydir [pwd]
 325 gdb_test "cd [standard_output_file {}]" \
 326     "Working directory .*\..*" \
 327     "cd to objdir"
 328
 329 gdb_test_multiple "maint print msymbols -objfile ${testfile} msymbols_output2" "maint print msymbols" {
 330     -re "^maint print msymbols \[^\n\]*\r\n$gdb_prompt $" {
 331         gdb_test_multiple "shell ls msymbols_output2" "maint print msymbols" {
 332             -re "msymbols_output2\r\n$gdb_prompt $" {
 333                 gdb_test "shell grep factorial msymbols_output2" \
 334                     "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
 335                     "maint print msymbols, relative pathname"
 336                 gdb_test "shell rm -f msymbols_output2" ".*"
 337             }
 338         }
 339     }
 340 }
 341 gdb_test "cd ${mydir}" \
 342     "Working directory [string_to_regexp ${mydir}]\..*" \
 343     "cd to mydir"
 344
 345
 346 # Request symbols for one particular source file so that we don't try to
 347 # dump the symbol information for the entire C library - over 500MB nowadays
 348 # for GNU libc.
 349
 350 set symbols_output [standard_output_file symbols_output]
 351 set symbols_output_re [string_to_regexp $symbols_output]
 352 set test_list [list \
 353                    "maint print symbols -source" \
 354                    "maint print symbols -source ${srcdir}/${subdir}/${srcfile} $symbols_output" \
 355                    "maint print symbols -pc" \
 356                    "maint print symbols -pc main $symbols_output"]
 357 foreach { test_name command } $test_list {
 358     send_gdb "$command\n"
 359     gdb_expect {
 360         -re "^maint print symbols \[^\n\]*\r\n$gdb_prompt $" {
 361             send_gdb "shell ls $symbols_output\n"
 362             gdb_expect {
 363                 -re "$symbols_output_re\r\n$gdb_prompt $" {
 364                     # See comments for `maint print psymbols'.
 365                     send_gdb "shell grep 'main(.*block' $symbols_output\n"
 366                     gdb_expect {
 367                         -re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $" {
 368                             pass "$test_name"
 369                         }
 370                         -re ".*$gdb_prompt $" { fail "$test_name" }
 371                         timeout { fail "$test_name (timeout)" }
 372                     }
 373                     gdb_test "shell rm -f $symbols_output" ".*" \
 374                         "$test_name: shell rm -f symbols_output"
 375                 }
 376                 -re ".*$gdb_prompt $" { fail "$test_name" }
 377                 timeout { fail "$test_name (timeout)" }
 378             }
 379         }
 380         -re ".*$gdb_prompt $" { fail "$test_name" }
 381         timeout { fail "$test_name (timeout)" }
 382     }
 383 }
 384
 385 set msg "maint print type"
 386 gdb_test_multiple "maint print type argc" $msg {
 387     -re "type node $hex\r\nname .int. \\($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 $hex\r\n$gdb_prompt $" {
 388         pass $msg
 389     }
 390 }
 391
 392 if [istarget "hppa*-*-11*"] {
 393     setup_xfail hppa*-*-*11* CLLbs14860
 394     gdb_test_multiple "maint print unwind &main" "maint print unwind" {
 395         -re ".*unwind_table_entry \\($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 $" {
 396             pass "maint print unwind"
 397         }
 398         -re ".*unwind_table_entry \\($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 $" {
 399             xfail "maint print unwind"
 400         }
 401     }
 402 }
 403
 404 set oldtimeout $timeout
 405 set timeout [expr $timeout + 300]
 406
 407 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 408
 409 gdb_test_multiple "maint info breakpoints" "maint info breakpoints" {
 410     -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 $" {
 411         pass "maint info breakpoints"
 412     }
 413     -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 $" {
 414         pass "maint info breakpoints (with shlib events)"
 415     }
 416 }
 417
 418 gdb_test "maint print" \
 419     "List.*unambiguous\\..*" \
 420     "maint print w/o args"
 421
 422 gdb_test "maint info" \
 423     "List.*unambiguous\\..*" \
 424     "maint info w/o args"
 425
 426 gdb_test "maint" \
 427     "List.*unambiguous\\..*" \
 428     "maint w/o args"
 429
 430 # Test that "main info line-table" w/o a file name shows the symtab for
 431 # $srcfile.
 432 set saw_srcfile 0
 433 gdb_test_multiple "maint info line-table" \
 434     "maint info line-table w/o a file name" {
 435         -re "symtab: \[^\n\r\]+${srcfile} \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS\[^\r\n\]*" {
 436         set saw_srcfile 1
 437         exp_continue
 438     }
 439     -re "symtab: \[^\n\r\]+ \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS\[^\r\n\]*" {
 440         # Match each symtab to avoid overflowing expect's buffer.
 441         exp_continue
 442     }
 443     -re "symtab: \[^\n\r\]+ \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) 0x0\\):\r\nNo line table.\r\n" {
 444         # For symtabs with no linetable.
 445         exp_continue
 446     }
 447     -re "^$decimal\[ \t\]+$decimal\[ \t\]+$hex\[^\r\n\]*\r\n" {
 448         # Line table entries can be long too:
 449         #
 450         #  INDEX    LINE ADDRESS
 451         #  0          29 0x00000000004006f6
 452         #  1          30 0x00000000004006fa
 453         #  2          31 0x0000000000400704
 454         #  3          42 0x0000000000400706
 455         #  4          43 0x0000000000400719
 456         #  5          44 0x0000000000400722
 457         #  6          45 0x0000000000400740
 458         #  (...)
 459         #  454       129 0x00007ffff7df1d28
 460         #  455       END 0x00007ffff7df1d3f
 461         #
 462         # Match each line to avoid overflowing expect's buffer.
 463         exp_continue
 464     }
 465     -re "^$decimal\[ \t\]+END\[ \t\]+$hex\[^\r\n\]*\r\n" {
 466         # Matches an end marker in the above.
 467         exp_continue
 468     }
 469     -re "^\r\n" {
 470         # Empty line between tables.
 471         exp_continue
 472     }
 473     -re "^$gdb_prompt $" {
 474         gdb_assert $saw_srcfile $gdb_test_name
 475     }
 476 }
 477
 478 gdb_test "maint info line-table ${srcfile}" \
 479     "symtab: \[^\n\r\]+${srcfile}.*INDEX.*LINE.*ADDRESS.*" \
 480     "maint info line-table with filename of current symtab"
 481
 482 if { ! $readnow_p } {
 483     gdb_test_no_output "maint info line-table ${srcfile2}" \
 484         [join \
 485              "maint info line-table with filename of symtab that is not" \
 486              " currently expanded"]
 487 }
 488
 489 gdb_test_no_output "maint expand-symtabs"
 490
 491 gdb_test "maint info line-table ${srcfile2}" \
 492     "symtab: \[^\n\r\]+${srcfile2}.*INDEX.*LINE.*ADDRESS.*" \
 493     "maint info line-table with filename of symtab that is not current"
 494
 495 gdb_test_no_output "maint info line-table xxx.c" \
 496     "maint info line-table with invalid filename"
 497
 498 set timeout $oldtimeout
 499
 500 # Just check that the DWARF unwinders control flag is visible.
 501 gdb_test "maint show dwarf unwinders" \
 502     "The DWARF stack unwinders are currently (on|off)\\."
 503
 504 #============test help on maint commands
 505
 506 test_prefix_command_help {"maint info" "maintenance info"} {
 507     "Commands for showing internal info about the program being debugged\\.\[\r\n\]+"
 508 }
 509
 510 test_prefix_command_help {"maint print" "maintenance print"} {
 511     "Maintenance command for printing GDB internal state\\.\[\r\n\]+"
 512 }
 513
 514 test_prefix_command_help {"maint" "maintenance"} {
 515     "Commands for use by GDB maintainers\\.\[\r\n\]+"
 516     "Includes commands to dump specific internal GDB structures in\[\r\n\]+"
 517     "a human readable form, to cause GDB to deliberately dump core, etc\\.\[\r\n\]+"
 518 }
 519
 520 #set oldtimeout $timeout
 521 #set timeout [expr $timeout + 300]
 522
 523 gdb_test_multiple "maint dump-me" "maint dump-me" {
 524     -re "Should GDB dump core.*\\(y or n\\) $" {
 525         gdb_test "n" ".*" "maint dump-me"
 526     }
 527     -re "Undefined maintenance command: .*$gdb_prompt $" {
 528         # Command 'maint dump-me' is registered on non-win32 host.
 529         unsupported "maint dump-me"
 530     }
 531 }
 532
 533 send_gdb "maint internal-error\n"
 534 gdb_expect {
 535     -re "A problem internal to GDB has been detected" {
 536         pass "maint internal-error"
 537         if [gdb_internal_error_resync] {
 538             pass "internal-error resync"
 539         } else {
 540             fail "internal-error resync"
 541         }
 542     }
 543     -re ".*$gdb_prompt $" {
 544         fail "maint internal-error"
 545         untested "internal-error resync"
 546     }
 547     timeout {
 548         fail "maint internal-error (timeout)"
 549         untested "internal-error resync"
 550     }
 551 }
 552
 553 #set timeout $oldtimeout
 554
 555 # Test that the commands work without an argument.  For this test, we
 556 # don't need an inferior loaded/running.  See PR gdb/21164.
 557 gdb_exit
 558 gdb_start
 559 gdb_test_no_output "maint print symbols"
 560 gdb_test_no_output "maint print msymbols"
 561 gdb_test_no_output "maint print psymbols"
 562
 563 gdb_exit
 564 return 0