gdb/testsuite/gdb.base/maint.exp

   1 # Copyright 1998-2016 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 sections -- List the BFD sections of the exec and core files
  44 #maintenance info breakpoints -- Status of all breakpoints
  45 #
  46
  47
  48
  49 standard_testfile break.c break1.c
  50
  51 if {[prepare_for_testing "failed to prepare" $testfile \
  52          [list $srcfile $srcfile2] {debug nowarnings}]} {
  53     return -1
  54 }
  55
  56 # The commands we test here produce many lines of output; disable "press
  57 # <return> to continue" prompts.
  58 gdb_test_no_output "set height 0"
  59
  60 # Tests that require that no program is running
  61
  62 gdb_file_cmd ${binfile}
  63
  64 # Test for a regression where this command would internal-error if the
  65 # program wasn't running.
  66 gdb_test "maint print registers" "Name.*Nr.*Rel.*Offset.*Size.*Type.*"
  67
  68 # Test "mt expand-symtabs" here as it's easier to verify before we
  69 # run the program.
  70 gdb_test_no_output "mt set per on" "mt set per on for expand-symtabs"
  71 gdb_test_multiple "mt expand-symtabs $subdir/break\[.\]c$" \
  72     "mt expand-symtabs" {
  73         -re "#compunits: (1|2) \\(\[+\](0|1|2)\\),.*$gdb_prompt $" {
  74             # This should expand at most two primary symtabs.
  75             # "Normally" it will not expand any, because the symtab
  76             # holding "main" will already have been expanded, but if the
  77             # file is compiled with -fdebug-types-section then a second primary
  78             # symtab for break.c will be created for any types.
  79             pass "mt expand-symtabs"
  80         }
  81     }
  82 gdb_test "mt set per off" ".*" "mt set per off for expand-symtabs"
  83
  84 # Tests that can or should be done with a running program
  85
  86 gdb_load ${binfile}
  87
  88 if ![runto_main] then {
  89         perror "tests suppressed"
  90 }
  91
  92 # If we're using .gdb_index there will be no psymtabs.
  93 set have_gdb_index 0
  94 gdb_test_multiple "maint info sections .gdb_index" "check for .gdb_index" {
  95     -re ": .gdb_index.*$gdb_prompt $" {
  96         set have_gdb_index 1
  97     }
  98     -re ".*$gdb_prompt $" {
  99         ;# Nothing to do, present to avoid a FAIL.
 100     }
 101 }
 102
 103 #
 104 # this command does not produce any output
 105 # unless there is some problem with the symtabs and psymtabs
 106 # so that branch will really never be covered in this tests here!!
 107 #
 108
 109 # guo: on linux this command output is huge.  for some reason splitting up
 110 # the regexp checks works.
 111 #
 112 send_gdb "maint check-psymtabs\n"
 113 gdb_expect  {
 114     -re "^maint check-psymtabs" {
 115         gdb_expect {
 116             -re "$gdb_prompt $" {
 117                 pass "maint check-psymtabs"
 118             }
 119             timeout { fail "(timeout) maint check-psymtabs" }
 120         }
 121     }
 122     -re ".*$gdb_prompt $"     { fail "maint check-psymtabs" }
 123     timeout         { fail "(timeout) maint check-psymtabs" }
 124 }
 125
 126 # This command does not produce any output unless there is some problem
 127 # with the symtabs, so that branch will really never be covered in the
 128 # tests here!!
 129 gdb_test_no_output "maint check-symtabs"
 130
 131 # Test per-command stats.
 132 gdb_test_no_output "maint set per-command on"
 133 gdb_test "pwd" \
 134     "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\\)"
 135 gdb_test_no_output "maint set per-command off"
 136
 137 # The timeout value is raised, because printing all the symbols and
 138 # statistical information about Cygwin and Windows libraries takes a lot
 139 # of time.
 140 if [istarget "*-*-cygwin*"] {
 141         set oldtimeout $timeout
 142         set timeout [expr $timeout + 500]
 143 }
 144
 145 send_gdb "maint print statistics\n"
 146 gdb_expect  {
 147     -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: $decimal\r\n" {
 148         gdb_expect {
 149             -re "$gdb_prompt $" {
 150                 pass "maint print statistics"
 151             }
 152             timeout { fail "(timeout) maint print statistics" }
 153         }
 154     }
 155     -re ".*$gdb_prompt $"     { fail "maint print statistics" }
 156     timeout         { fail "(timeout) maint print statistics" }
 157 }
 158
 159 # There aren't any ...
 160 gdb_test_no_output "maint print dummy-frames"
 161
 162 send_gdb "maint print objfiles\n"
 163
 164 # To avoid timeouts, we avoid expects with many .* patterns that match
 165 # many lines.  Instead, we keep track of which milestones we've seen
 166 # in the output, and stop when we've seen all of them.
 167
 168 set header 0
 169 set psymtabs 0
 170 set symtabs 0
 171 set keep_looking 1
 172
 173 while {$keep_looking} {
 174     gdb_expect  {
 175
 176         -re "\r\n" {
 177             set output $expect_out(buffer)
 178             if {[regexp ".*Object file.*maint($EXEEXT)?:  Objfile at ${hex}" $output]} {
 179                 set header 1
 180             }
 181             if {[regexp ".*Psymtabs:\[\r\t \]+\n" $output]} {
 182                 set psymtabs 1
 183             }
 184             if {[regexp ".*Symtabs:\[\r\t \]+\n" $output]} {
 185                 set symtabs 1
 186             }
 187         }
 188
 189         -re ".*$gdb_prompt $" {
 190             set keep_looking 0
 191         }
 192         timeout {
 193             fail "(timeout) maint print objfiles"
 194             set keep_looking 0
 195         }
 196     }
 197 }
 198
 199 proc maint_pass_if {val name} {
 200     if $val { pass $name } else { fail $name }
 201 }
 202
 203 maint_pass_if $header   "maint print objfiles: header"
 204 if { ! $have_gdb_index } {
 205     maint_pass_if $psymtabs "maint print objfiles: psymtabs"
 206 }
 207 maint_pass_if $symtabs  "maint print objfiles: symtabs"
 208
 209 if { ! $have_gdb_index } {
 210     set psymbols_output [standard_output_file psymbols_output]
 211     set psymbols_output_re [string_to_regexp $psymbols_output]
 212     set test_list [list \
 213                        "maint print psymbols -source" \
 214                        "maint print psymbols -source ${srcdir}/${subdir}/${srcfile} $psymbols_output" \
 215                        "maint print psymbols -pc" \
 216                        "maint print psymbols -pc main $psymbols_output"]
 217     foreach { test_name command } $test_list {
 218         send_gdb "$command\n"
 219             gdb_expect  {
 220                 -re "^maint print psymbols \[^\n\]*\r\n$gdb_prompt $" {
 221                     send_gdb "shell ls $psymbols_output\n"
 222                     gdb_expect {
 223                         -re "$psymbols_output_re\r\n$gdb_prompt $" {
 224                             # We want this grep to be as specific as possible,
 225                             # so it's less likely to match symbol file names in
 226                             # psymbols_output.  Yes, this actually happened;
 227                             # poor expect got tons of output, and timed out
 228                             # trying to match it.   --- Jim Blandy <jimb@cygnus.com>
 229                             send_gdb "shell grep 'main.*function' $psymbols_output\n"
 230                             gdb_expect {
 231                                 -re ".main., function, $hex.*$gdb_prompt $" {
 232                                     pass "$test_name 1"
 233                                 }
 234                                 -re ".*main.  .., function, $hex.*$gdb_prompt $" {
 235                                     pass "$test_name 2"
 236                                 }
 237                                 -re ".*$gdb_prompt $" { fail "$test_name" }
 238                                 timeout { fail "$test_name (timeout)" }
 239                             }
 240                             gdb_test "shell rm -f $psymbols_output" ".*" \
 241                                 "shell rm -f psymbols_output"
 242                         }
 243                         -re ".*$gdb_prompt $" { fail "$test_name" }
 244                         timeout { fail "$test_name (timeout)" }
 245                     }
 246                 }
 247                 -re ".*$gdb_prompt $" { fail "$test_name" }
 248                 timeout { fail "$test_name (timeout)" }
 249             }
 250     }
 251 }
 252
 253
 254 set msymbols_output [standard_output_file msymbols_output]
 255 set msymbols_output_re [string_to_regexp $msymbols_output]
 256 send_gdb "maint print msymbols -objfile ${binfile} $msymbols_output\n"
 257 gdb_expect  {
 258     -re "^maint print msymbols \[^\n\]*\r\n$gdb_prompt $" {
 259         send_gdb "shell ls $msymbols_output\n"
 260         gdb_expect {
 261             -re "$msymbols_output_re\r\n$gdb_prompt $" {
 262                 send_gdb "shell grep factorial $msymbols_output\n"
 263                 gdb_expect {
 264                     -re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" {
 265                         pass "maint print msymbols"
 266                     }
 267                     -re ".*$gdb_prompt $" { fail "maint print msymbols" }
 268                     timeout { fail "maint print msymbols (timeout)" }
 269                 }
 270                 gdb_test "shell rm -f $msymbols_output" ".*" \
 271                     "shell rm -f msymbols_output"
 272             }
 273             -re ".*$gdb_prompt $" { fail "maint print msymbols" }
 274             timeout { fail "maint print msymbols (timeout)" }
 275         }
 276     }
 277     -re ".*$gdb_prompt $" { fail "maint print msymbols" }
 278     timeout { fail "maint print msymbols (timeout)" }
 279 }
 280
 281 # Check that maint print msymbols allows relative pathnames
 282 set mydir [pwd]
 283 gdb_test "cd [standard_output_file {}]" \
 284     "Working directory .*\..*" \
 285     "cd to objdir"
 286
 287 gdb_test_multiple "maint print msymbols -objfile ${testfile} msymbols_output2" "maint print msymbols" {
 288     -re "^maint print msymbols \[^\n\]*\r\n$gdb_prompt $" {
 289         gdb_test_multiple "shell ls msymbols_output2" "maint print msymbols" {
 290             -re "msymbols_output2\r\n$gdb_prompt $" {
 291                 gdb_test "shell grep factorial msymbols_output2" \
 292                     "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
 293                     "maint print msymbols"
 294                 gdb_test "shell rm -f msymbols_output2" ".*"
 295             }
 296         }
 297     }
 298 }
 299 gdb_test "cd ${mydir}" \
 300     "Working directory [string_to_regexp ${mydir}]\..*" \
 301     "cd to mydir"
 302
 303
 304 # Request symbols for one particular source file so that we don't try to
 305 # dump the symbol information for the entire C library - over 500MB nowadays
 306 # for GNU libc.
 307
 308 set symbols_output [standard_output_file symbols_output]
 309 set symbols_output_re [string_to_regexp $symbols_output]
 310 set test_list [list \
 311                    "maint print symbols -source" \
 312                    "maint print symbols -source ${srcdir}/${subdir}/${srcfile} $symbols_output" \
 313                    "maint print symbols -pc" \
 314                    "maint print symbols -pc main $symbols_output"]
 315 foreach { test_name command } $test_list {
 316     send_gdb "$command\n"
 317     gdb_expect {
 318         -re "^maint print symbols \[^\n\]*\r\n$gdb_prompt $" {
 319             send_gdb "shell ls $symbols_output\n"
 320             gdb_expect {
 321                 -re "$symbols_output_re\r\n$gdb_prompt $" {
 322                     # See comments for `maint print psymbols'.
 323                     send_gdb "shell grep 'main(.*block' $symbols_output\n"
 324                     gdb_expect {
 325                         -re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $" {
 326                             pass "$test_name"
 327                         }
 328                         -re ".*$gdb_prompt $" { fail "$test_name" }
 329                         timeout { fail "$test_name (timeout)" }
 330                     }
 331                     gdb_test "shell rm -f $symbols_output" ".*" \
 332                         "shell rm -f symbols_output"
 333                 }
 334                 -re ".*$gdb_prompt $" { fail "$test_name" }
 335                 timeout { fail "$test_name (timeout)" }
 336             }
 337         }
 338         -re ".*$gdb_prompt $" { fail "$test_name" }
 339         timeout { fail "$test_name (timeout)" }
 340     }
 341 }
 342
 343 set msg "maint print type"
 344 gdb_test_multiple "maint print type argc" $msg {
 345     -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 $hex\r\n$gdb_prompt $" {
 346         pass $msg
 347     }
 348 }
 349
 350 if [istarget "hppa*-*-11*"] {
 351     setup_xfail hppa*-*-*11* CLLbs14860
 352     gdb_test_multiple "maint print unwind &main" "maint print unwind" {
 353         -re ".*unwind_table_entry \\($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 $" {
 354             pass "maint print unwind"
 355         }
 356         -re ".*unwind_table_entry \\($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 $" {
 357             xfail "maint print unwind"
 358         }
 359     }
 360 }
 361
 362 set oldtimeout $timeout
 363 set timeout [expr $timeout + 300]
 364
 365 # It'd be nice to check for every possible section.  However, that's
 366 # problematic, since the relative ordering wanders from release to
 367 # release of the compilers.  Instead, we'll just check for two
 368 # sections which appear to always come out in the same relative
 369 # order.  (If that changes, then we should just check for one
 370 # section.)
 371 #
 372 # And by the way: This testpoint will break for PA64, where a.out's
 373 # are ELF files.
 374
 375 # Standard GNU names.
 376 set text_section ".text"
 377 set data_section ".data"
 378
 379 gdb_test_multiple "maint info sections" "maint info sections" {
 380     -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*ER_RO.*$gdb_prompt $" {
 381         # Looks like RealView which uses different section names.
 382         set text_section ER_RO
 383         set data_section ER_RW
 384         pass "maint info sections"
 385     }
 386     -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*neardata.*$gdb_prompt $" {
 387         # c6x doesn't have .data section.  It has .neardata and .fardata section.
 388         set data_section ".neardata"
 389         pass "maint info sections"
 390     }
 391     -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*$gdb_prompt $" {
 392         pass "maint info sections"
 393     }
 394 }
 395
 396 # Test for new option: maint info sections <section name>
 397 # If you don't have a .text section, this will require tweaking.
 398
 399 gdb_test_multiple "maint info sections $text_section" \
 400     "maint info sections .text" {
 401         -re ".* \\.bss .*$gdb_prompt $" {
 402             fail "maint info sections .text"
 403         }
 404         -re ".* $data_section .*$gdb_prompt $" {
 405             fail "maint info sections .text"
 406         }
 407         -re ".* $text_section .*$gdb_prompt $" {
 408             pass "maint info sections .text"
 409         }
 410     }
 411
 412 # Test for new option: CODE section flag
 413 # If your data section is tagged CODE, xfail this test.
 414
 415 gdb_test_multiple "maint info sections CODE" "maint info sections CODE" {
 416     -re ".* $data_section .*$gdb_prompt $" { fail "maint info sections CODE" }
 417     -re ".* $text_section .*$gdb_prompt $" { pass "maint info sections CODE" }
 418 }
 419
 420 # Test for new option: DATA section flag
 421 # If your text section is tagged DATA, xfail this test.
 422 #
 423 # The "maint info sections DATA" test is marked for XFAIL on Windows,
 424 # because Windows has text sections marked DATA.
 425 setup_xfail "*-*-*cygwin*"
 426 setup_xfail "*-*-*mingw*"
 427
 428 gdb_test_multiple "maint info sections DATA" "maint info sections DATA" {
 429     -re ".* $text_section .*$gdb_prompt $" { fail "maint info sections DATA" }
 430     -re ".* $data_section .*$gdb_prompt $" { pass "maint info sections DATA" }
 431     -re ".* .rodata .*$gdb_prompt $" { pass "maint info sections DATA" }
 432 }
 433
 434 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 435
 436 gdb_test_multiple "maint info breakpoints" "maint info breakpoints" {
 437     -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 $" {
 438         pass "maint info breakpoints"
 439     }
 440     -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 $" {
 441         pass "maint info breakpoints (with shlib events)"
 442     }
 443 }
 444
 445 gdb_test "maint print" \
 446     "\"maintenance print\" must be followed by the name of a print command\\.\r\nList.*unambiguous\\..*" \
 447     "maint print w/o args"
 448
 449 gdb_test "maint info" \
 450     "\"maintenance info\" must be followed by the name of an info command\\.\r\nList.*unambiguous\\..*" \
 451     "maint info w/o args"
 452
 453 gdb_test "maint" \
 454     "\"maintenance\" must be followed by the name of a maintenance command\\.\r\nList.*unambiguous\\..*" \
 455     "maint w/o args"
 456
 457 # Test that "main info line-table" w/o a file name shows the symtab for
 458 # $srcfile.
 459 set saw_srcfile 0
 460 set test "maint info line-table w/o a file name"
 461 gdb_test_multiple "maint info line-table" $test {
 462     -re "symtab: \[^\n\r\]+${srcfile} \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS" {
 463         set saw_srcfile 1
 464         exp_continue
 465     }
 466     -re "symtab: \[^\n\r\]+ \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS" {
 467         # Match each symtab to avoid overflowing expect's buffer.
 468         exp_continue
 469     }
 470     -re "$decimal\[ \t\]+$decimal\[ \t\]+$hex\r\n" {
 471         # Line table entries can be long too:
 472         #
 473         #  INDEX    LINE ADDRESS
 474         #  0          29 0x00000000004006f6
 475         #  1          30 0x00000000004006fa
 476         #  2          31 0x0000000000400704
 477         #  3          42 0x0000000000400706
 478         #  4          43 0x0000000000400719
 479         #  5          44 0x0000000000400722
 480         #  6          45 0x0000000000400740
 481         #  (...)
 482         #  454       129 0x00007ffff7df1d28
 483         #  455         0 0x00007ffff7df1d3f
 484         #
 485         # Match each line to avoid overflowing expect's buffer.
 486         exp_continue
 487     }
 488     -re "$gdb_prompt $" {
 489         gdb_assert $saw_srcfile $test
 490     }
 491 }
 492
 493 gdb_test "maint info line-table ${srcfile}" \
 494     "symtab: \[^\n\r\]+${srcfile}.*INDEX.*LINE.*ADDRESS.*" \
 495     "maint info line-table with filename of current symtab"
 496
 497 gdb_test_no_output "maint info line-table ${srcfile2}" \
 498     "maint info line-table with filename of symtab that is not currently expanded"
 499
 500 gdb_test_no_output "maint expand-symtabs"
 501
 502 gdb_test "maint info line-table ${srcfile2}" \
 503     "symtab: \[^\n\r\]+${srcfile2}.*INDEX.*LINE.*ADDRESS.*" \
 504     "maint info line-table with filename of symtab that is not current"
 505
 506 gdb_test_no_output "maint info line-table xxx.c" \
 507     "maint info line-table with invalid filename"
 508
 509 set timeout $oldtimeout
 510
 511 #============test help on maint commands
 512
 513 gdb_test "help maint" \
 514     "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, 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\\..*"
 515
 516 gdb_test "help maint info" \
 517     "Commands for showing internal info about the program being debugged.*unambiguous\\..*"
 518
 519 test_prefix_command_help {"maint print" "maintenance print"} {
 520     "Maintenance command for printing GDB internal state\\.\[\r\n\]+"
 521 }
 522
 523 test_prefix_command_help {"maint" "maintenance"} {
 524     "Commands for use by GDB maintainers\\.\[\r\n\]+"
 525     "Includes commands to dump specific internal GDB structures in\[\r\n\]+"
 526     "a human readable form, to cause GDB to deliberately dump core, etc\\.\[\r\n\]+"
 527 }
 528
 529 #set oldtimeout $timeout
 530 #set timeout [expr $timeout + 300]
 531
 532 gdb_test_multiple "maint dump-me" "maint dump-me" {
 533     -re "Should GDB dump core.*\\(y or n\\) $" {
 534         gdb_test "n" ".*" "maint dump-me"
 535     }
 536     -re "Undefined maintenance command: .*$gdb_prompt $" {
 537         # Command 'maint dump-me' is registered on non-win32 host.
 538         unsupported "maint dump-me"
 539     }
 540 }
 541
 542 send_gdb "maint internal-error\n"
 543 gdb_expect {
 544     -re "A problem internal to GDB has been detected" {
 545         pass "maint internal-error"
 546         if [gdb_internal_error_resync] {
 547             pass "internal-error resync"
 548         } else {
 549             fail "internal-error resync"
 550         }
 551     }
 552     -re ".*$gdb_prompt $" {
 553         fail "maint internal-error"
 554         untested "internal-error resync"
 555     }
 556     timeout {
 557         fail "maint internal-error (timeout)"
 558         untested "internal-error resync"
 559     }
 560 }
 561
 562 #set timeout $oldtimeout
 563
 564
 565 gdb_exit
 566 return 0