gdb/testsuite/gdb.base/maint.exp

   1 # Copyright 1998-2019 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.  If there's a lot of registers then this
  66 # might overflow expect's buffers, so process the output line at a
  67 # time.
  68 set saw_registers 0
  69 set saw_headers 0
  70 set test "maint print registers"
  71 gdb_test_multiple $test $test {
  72     -re "\[^\r\n\]+Name\[^\r\n\]+Nr\[^\r\n\]+Rel\[^\r\n\]+Offset\[^\r\n\]+Size\[^\r\n\]+Type\[^\r\n\]+\r\n" {
  73         set saw_headers 1
  74         exp_continue
  75     }
  76     -re "^\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\r\n" {
  77         set saw_registers 1
  78         exp_continue
  79     }
  80     -re "^\\*\[0-9\]+\[^\r\n\]+\r\n" {
  81         exp_continue
  82     }
  83     -re "$gdb_prompt $" {
  84         gdb_assert { $saw_registers && $saw_headers } $test
  85     }
  86 }
  87
  88 # Test "mt expand-symtabs" here as it's easier to verify before we
  89 # run the program.
  90 gdb_test_no_output "mt set per on" "mt set per on for expand-symtabs"
  91 gdb_test_multiple "mt expand-symtabs $subdir/break\[.\]c$" \
  92     "mt expand-symtabs" {
  93         -re "#compunits: (1|2) \\(\[+\](0|1|2)\\),.*$gdb_prompt $" {
  94             # This should expand at most two primary symtabs.
  95             # "Normally" it will not expand any, because the symtab
  96             # holding "main" will already have been expanded, but if the
  97             # file is compiled with -fdebug-types-section then a second primary
  98             # symtab for break.c will be created for any types.
  99             pass "mt expand-symtabs"
 100         }
 101     }
 102 gdb_test "mt set per off" ".*" "mt set per off for expand-symtabs"
 103
 104 # Tests that can or should be done with a running program
 105
 106 gdb_load ${binfile}
 107
 108 if ![runto_main] then {
 109         perror "tests suppressed"
 110 }
 111
 112 # Check that 'maint info sections' output looks correct.  When
 113 # checking the lines for each section we reject section names starting
 114 # with a '*' character, the internal *COM*, *UND*, *ABS*, and *IND*
 115 # sections should not be displayed in this output.
 116 set test "check maint info sections output"
 117 gdb_test_multiple "maint info sections" $test {
 118     -re "Exec file:\r\n\[\t ]+`\[^'\]+', file type \[^.\]+\.\r\n" {
 119         exp_continue
 120     }
 121     -re "^ \\\[\[0-9\]+\\\]\[\t \]+$hex->$hex at $hex: \[^*\r\]+\r\n" {
 122         exp_continue
 123     }
 124     -re "^$gdb_prompt $" {
 125         pass $test
 126     }
 127 }
 128
 129 # If we're using .gdb_index or .debug_names there will be no psymtabs.
 130 set have_gdb_index 0
 131 gdb_test_multiple "maint info sections .gdb_index .debug_names" "check for .gdb_index" {
 132     -re ": \\.gdb_index .*\r\n$gdb_prompt $" {
 133         set have_gdb_index 1
 134     }
 135     -re ": \\.debug_names .*\r\n$gdb_prompt $" {
 136         set have_gdb_index 1
 137     }
 138     -re ".*$gdb_prompt $" {
 139         ;# Nothing to do, present to avoid a FAIL.
 140     }
 141 }
 142
 143 # There also won't be any psymtabs if we read the index from the index cache.
 144 # We can detect this by looking if the index-cache is enabled and if the number
 145 # of cache misses is 0.
 146 set index_cache_misses -1
 147 gdb_test_multiple "show index-cache stats" "check index cache stats" {
 148     -re ".*Cache misses \\(this session\\): (\\d+)\r\n.*$gdb_prompt $" {
 149         set index_cache_misses $expect_out(1,string)
 150     }
 151 }
 152
 153 set using_index_cache 0
 154 gdb_test_multiple "show index-cache" "check index cache status" {
 155     -re ".*is currently disabled.\r\n$gdb_prompt $" {
 156         set using_index_cache 0
 157     }
 158     -re ".*is currently enabled.\r\n$gdb_prompt $" {
 159         set using_index_cache 1
 160     }
 161 }
 162
 163 if { $index_cache_misses == 0 && $using_index_cache } {
 164     set have_gdb_index 1
 165 }
 166
 167 #
 168 # this command does not produce any output
 169 # unless there is some problem with the symtabs and psymtabs
 170 # so that branch will really never be covered in this tests here!!
 171 #
 172
 173 # guo: on linux this command output is huge.  for some reason splitting up
 174 # the regexp checks works.
 175 #
 176 send_gdb "maint check-psymtabs\n"
 177 gdb_expect  {
 178     -re "^maint check-psymtabs" {
 179         gdb_expect {
 180             -re "$gdb_prompt $" {
 181                 pass "maint check-psymtabs"
 182             }
 183             timeout { fail "(timeout) maint check-psymtabs" }
 184         }
 185     }
 186     -re ".*$gdb_prompt $"     { fail "maint check-psymtabs" }
 187     timeout         { fail "(timeout) maint check-psymtabs" }
 188 }
 189
 190 # This command does not produce any output unless there is some problem
 191 # with the symtabs, so that branch will really never be covered in the
 192 # tests here!!
 193 gdb_test_no_output "maint check-symtabs"
 194
 195 # Test per-command stats.
 196 gdb_test_no_output "maint set per-command on"
 197 set decimal "\[0-9\]+"
 198 set time_fmt "${decimal}-${decimal}-${decimal} ${decimal}:${decimal}:${decimal}\\.${decimal}"
 199 gdb_test "pwd" \
 200     "${time_fmt} - command started\r\n.*\r\n${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\\)"
 201 gdb_test "maint set per-command off" \
 202     "${time_fmt} - command started"
 203
 204 # The timeout value is raised, because printing all the symbols and
 205 # statistical information about Cygwin and Windows libraries takes a lot
 206 # of time.
 207 if [istarget "*-*-cygwin*"] {
 208         set oldtimeout $timeout
 209         set timeout [expr $timeout + 500]
 210 }
 211
 212 send_gdb "maint print statistics\n"
 213 gdb_expect  {
 214     -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: $decimal\r\n" {
 215         gdb_expect {
 216             -re "$gdb_prompt $" {
 217                 pass "maint print statistics"
 218             }
 219             timeout { fail "(timeout) maint print statistics" }
 220         }
 221     }
 222     -re ".*$gdb_prompt $"     { fail "maint print statistics" }
 223     timeout         { fail "(timeout) maint print statistics" }
 224 }
 225
 226 # There aren't any ...
 227 gdb_test_no_output "maint print dummy-frames"
 228
 229 send_gdb "maint print objfiles\n"
 230
 231 # To avoid timeouts, we avoid expects with many .* patterns that match
 232 # many lines.  Instead, we keep track of which milestones we've seen
 233 # in the output, and stop when we've seen all of them.
 234
 235 set header 0
 236 set psymtabs 0
 237 set symtabs 0
 238 set keep_looking 1
 239
 240 while {$keep_looking} {
 241     gdb_expect  {
 242
 243         -re "\r\n" {
 244             set output $expect_out(buffer)
 245             if {[regexp ".*Object file.*maint($EXEEXT)?:  Objfile at ${hex}" $output]} {
 246                 set header 1
 247             }
 248             if {[regexp ".*Psymtabs:\[\r\t \]+\n" $output]} {
 249                 set psymtabs 1
 250             }
 251             if {[regexp ".*Symtabs:\[\r\t \]+\n" $output]} {
 252                 set symtabs 1
 253             }
 254         }
 255
 256         -re ".*$gdb_prompt $" {
 257             set keep_looking 0
 258         }
 259         timeout {
 260             fail "(timeout) maint print objfiles"
 261             set keep_looking 0
 262         }
 263     }
 264 }
 265
 266 proc maint_pass_if {val name} {
 267     if $val { pass $name } else { fail $name }
 268 }
 269
 270 maint_pass_if $header   "maint print objfiles: header"
 271 if { ! $have_gdb_index } {
 272     maint_pass_if $psymtabs "maint print objfiles: psymtabs"
 273 }
 274 maint_pass_if $symtabs  "maint print objfiles: symtabs"
 275
 276 if { ! $have_gdb_index } {
 277     set psymbols_output [standard_output_file psymbols_output]
 278     set psymbols_output_re [string_to_regexp $psymbols_output]
 279     set test_list [list \
 280                        "maint print psymbols -source" \
 281                        "maint print psymbols -source ${srcdir}/${subdir}/${srcfile} $psymbols_output" \
 282                        "maint print psymbols -pc" \
 283                        "maint print psymbols -pc main $psymbols_output"]
 284     foreach { test_name command } $test_list {
 285         send_gdb "$command\n"
 286             gdb_expect  {
 287                 -re "^maint print psymbols \[^\n\]*\r\n$gdb_prompt $" {
 288                     send_gdb "shell ls $psymbols_output\n"
 289                     gdb_expect {
 290                         -re "$psymbols_output_re\r\n$gdb_prompt $" {
 291                             # We want this grep to be as specific as possible,
 292                             # so it's less likely to match symbol file names in
 293                             # psymbols_output.  Yes, this actually happened;
 294                             # poor expect got tons of output, and timed out
 295                             # trying to match it.   --- Jim Blandy <jimb@cygnus.com>
 296                             send_gdb "shell grep 'main.*function' $psymbols_output\n"
 297                             gdb_expect {
 298                                 -re ".main., function, $hex.*$gdb_prompt $" {
 299                                     pass "$test_name 1"
 300                                 }
 301                                 -re ".*main.  .., function, $hex.*$gdb_prompt $" {
 302                                     pass "$test_name 2"
 303                                 }
 304                                 -re ".*$gdb_prompt $" { fail "$test_name" }
 305                                 timeout { fail "$test_name (timeout)" }
 306                             }
 307                             gdb_test "shell rm -f $psymbols_output" ".*" \
 308                                 "${test_name}: shell rm -f psymbols_output"
 309                         }
 310                         -re ".*$gdb_prompt $" { fail "$test_name" }
 311                         timeout { fail "$test_name (timeout)" }
 312                     }
 313                 }
 314                 -re ".*$gdb_prompt $" { fail "$test_name" }
 315                 timeout { fail "$test_name (timeout)" }
 316             }
 317     }
 318 }
 319
 320
 321 set msymbols_output [standard_output_file msymbols_output]
 322 set msymbols_output_re [string_to_regexp $msymbols_output]
 323 send_gdb "maint print msymbols -objfile ${binfile} $msymbols_output\n"
 324 gdb_expect  {
 325     -re "^maint print msymbols \[^\n\]*\r\n$gdb_prompt $" {
 326         send_gdb "shell ls $msymbols_output\n"
 327         gdb_expect {
 328             -re "$msymbols_output_re\r\n$gdb_prompt $" {
 329                 gdb_test "shell grep factorial $msymbols_output" \
 330                     "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
 331                     "maint print msymbols, absolute pathname"
 332                 gdb_test "shell rm -f $msymbols_output" ".*" \
 333                     "shell rm -f msymbols_output"
 334             }
 335             -re ".*$gdb_prompt $" { fail "maint print msymbols" }
 336             timeout { fail "maint print msymbols (timeout)" }
 337         }
 338     }
 339     -re ".*$gdb_prompt $" { fail "maint print msymbols" }
 340     timeout { fail "maint print msymbols (timeout)" }
 341 }
 342
 343 # Check that maint print msymbols allows relative pathnames
 344 set mydir [pwd]
 345 gdb_test "cd [standard_output_file {}]" \
 346     "Working directory .*\..*" \
 347     "cd to objdir"
 348
 349 gdb_test_multiple "maint print msymbols -objfile ${testfile} msymbols_output2" "maint print msymbols" {
 350     -re "^maint print msymbols \[^\n\]*\r\n$gdb_prompt $" {
 351         gdb_test_multiple "shell ls msymbols_output2" "maint print msymbols" {
 352             -re "msymbols_output2\r\n$gdb_prompt $" {
 353                 gdb_test "shell grep factorial msymbols_output2" \
 354                     "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
 355                     "maint print msymbols, relative pathname"
 356                 gdb_test "shell rm -f msymbols_output2" ".*"
 357             }
 358         }
 359     }
 360 }
 361 gdb_test "cd ${mydir}" \
 362     "Working directory [string_to_regexp ${mydir}]\..*" \
 363     "cd to mydir"
 364
 365
 366 # Request symbols for one particular source file so that we don't try to
 367 # dump the symbol information for the entire C library - over 500MB nowadays
 368 # for GNU libc.
 369
 370 set symbols_output [standard_output_file symbols_output]
 371 set symbols_output_re [string_to_regexp $symbols_output]
 372 set test_list [list \
 373                    "maint print symbols -source" \
 374                    "maint print symbols -source ${srcdir}/${subdir}/${srcfile} $symbols_output" \
 375                    "maint print symbols -pc" \
 376                    "maint print symbols -pc main $symbols_output"]
 377 foreach { test_name command } $test_list {
 378     send_gdb "$command\n"
 379     gdb_expect {
 380         -re "^maint print symbols \[^\n\]*\r\n$gdb_prompt $" {
 381             send_gdb "shell ls $symbols_output\n"
 382             gdb_expect {
 383                 -re "$symbols_output_re\r\n$gdb_prompt $" {
 384                     # See comments for `maint print psymbols'.
 385                     send_gdb "shell grep 'main(.*block' $symbols_output\n"
 386                     gdb_expect {
 387                         -re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $" {
 388                             pass "$test_name"
 389                         }
 390                         -re ".*$gdb_prompt $" { fail "$test_name" }
 391                         timeout { fail "$test_name (timeout)" }
 392                     }
 393                     gdb_test "shell rm -f $symbols_output" ".*" \
 394                         "$test_name: shell rm -f symbols_output"
 395                 }
 396                 -re ".*$gdb_prompt $" { fail "$test_name" }
 397                 timeout { fail "$test_name (timeout)" }
 398             }
 399         }
 400         -re ".*$gdb_prompt $" { fail "$test_name" }
 401         timeout { fail "$test_name (timeout)" }
 402     }
 403 }
 404
 405 set msg "maint print type"
 406 gdb_test_multiple "maint print type argc" $msg {
 407     -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 $" {
 408         pass $msg
 409     }
 410 }
 411
 412 if [istarget "hppa*-*-11*"] {
 413     setup_xfail hppa*-*-*11* CLLbs14860
 414     gdb_test_multiple "maint print unwind &main" "maint print unwind" {
 415         -re ".*unwind_table_entry \\($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 $" {
 416             pass "maint print unwind"
 417         }
 418         -re ".*unwind_table_entry \\($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 $" {
 419             xfail "maint print unwind"
 420         }
 421     }
 422 }
 423
 424 set oldtimeout $timeout
 425 set timeout [expr $timeout + 300]
 426
 427 # It'd be nice to check for every possible section.  However, that's
 428 # problematic, since the relative ordering wanders from release to
 429 # release of the compilers.  Instead, we'll just check for two
 430 # sections which appear to always come out in the same relative
 431 # order.  (If that changes, then we should just check for one
 432 # section.)
 433 #
 434 # And by the way: This testpoint will break for PA64, where a.out's
 435 # are ELF files.
 436
 437 # Standard GNU names.
 438 set text_section ".text"
 439 set data_section ".data"
 440
 441 gdb_test_multiple "maint info sections" "maint info sections" {
 442     -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*ER_RO.*$gdb_prompt $" {
 443         # Looks like RealView which uses different section names.
 444         set text_section ER_RO
 445         set data_section ER_RW
 446         pass "maint info sections"
 447     }
 448     -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*neardata.*$gdb_prompt $" {
 449         # c6x doesn't have .data section.  It has .neardata and .fardata section.
 450         set data_section ".neardata"
 451         pass "maint info sections"
 452     }
 453     -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*$gdb_prompt $" {
 454         pass "maint info sections"
 455     }
 456 }
 457
 458 # Test for new option: maint info sections <section name>
 459 # If you don't have a .text section, this will require tweaking.
 460
 461 gdb_test_multiple "maint info sections $text_section" \
 462     "maint info sections .text" {
 463         -re ".* \\.bss .*$gdb_prompt $" {
 464             fail "maint info sections .text"
 465         }
 466         -re ".* $data_section .*$gdb_prompt $" {
 467             fail "maint info sections .text"
 468         }
 469         -re ".* $text_section .*$gdb_prompt $" {
 470             pass "maint info sections .text"
 471         }
 472     }
 473
 474 # Test for new option: CODE section flag
 475 # If your data section is tagged CODE, xfail this test.
 476
 477 gdb_test_multiple "maint info sections CODE" "maint info sections CODE" {
 478     -re ".* $data_section .*$gdb_prompt $" { fail "maint info sections CODE" }
 479     -re ".* $text_section .*$gdb_prompt $" { pass "maint info sections CODE" }
 480 }
 481
 482 # Test for new option: DATA section flag
 483 # If your text section is tagged DATA, xfail this test.
 484 #
 485 # The "maint info sections DATA" test is marked for XFAIL on Windows,
 486 # because Windows has text sections marked DATA.
 487 setup_xfail "*-*-*cygwin*"
 488 setup_xfail "*-*-*mingw*"
 489
 490 gdb_test_multiple "maint info sections DATA" "maint info sections DATA" {
 491     -re ".* $text_section .*$gdb_prompt $" { fail "maint info sections DATA" }
 492     -re ".* $data_section .*$gdb_prompt $" { pass "maint info sections DATA" }
 493     -re ".* .rodata .*$gdb_prompt $" { pass "maint info sections DATA" }
 494 }
 495
 496 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
 497
 498 gdb_test_multiple "maint info breakpoints" "maint info breakpoints" {
 499     -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 $" {
 500         pass "maint info breakpoints"
 501     }
 502     -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 $" {
 503         pass "maint info breakpoints (with shlib events)"
 504     }
 505 }
 506
 507 gdb_test "maint print" \
 508     "\"maintenance print\" must be followed by the name of a print command\\.\r\nList.*unambiguous\\..*" \
 509     "maint print w/o args"
 510
 511 gdb_test "maint info" \
 512     "\"maintenance info\" must be followed by the name of an info command\\.\r\nList.*unambiguous\\..*" \
 513     "maint info w/o args"
 514
 515 gdb_test "maint" \
 516     "\"maintenance\" must be followed by the name of a maintenance command\\.\r\nList.*unambiguous\\..*" \
 517     "maint w/o args"
 518
 519 # Test that "main info line-table" w/o a file name shows the symtab for
 520 # $srcfile.
 521 set saw_srcfile 0
 522 set test "maint info line-table w/o a file name"
 523 gdb_test_multiple "maint info line-table" $test {
 524     -re "symtab: \[^\n\r\]+${srcfile} \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS" {
 525         set saw_srcfile 1
 526         exp_continue
 527     }
 528     -re "symtab: \[^\n\r\]+ \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS" {
 529         # Match each symtab to avoid overflowing expect's buffer.
 530         exp_continue
 531     }
 532     -re "$decimal\[ \t\]+$decimal\[ \t\]+$hex\r\n" {
 533         # Line table entries can be long too:
 534         #
 535         #  INDEX    LINE ADDRESS
 536         #  0          29 0x00000000004006f6
 537         #  1          30 0x00000000004006fa
 538         #  2          31 0x0000000000400704
 539         #  3          42 0x0000000000400706
 540         #  4          43 0x0000000000400719
 541         #  5          44 0x0000000000400722
 542         #  6          45 0x0000000000400740
 543         #  (...)
 544         #  454       129 0x00007ffff7df1d28
 545         #  455         0 0x00007ffff7df1d3f
 546         #
 547         # Match each line to avoid overflowing expect's buffer.
 548         exp_continue
 549     }
 550     -re "$gdb_prompt $" {
 551         gdb_assert $saw_srcfile $test
 552     }
 553 }
 554
 555 gdb_test "maint info line-table ${srcfile}" \
 556     "symtab: \[^\n\r\]+${srcfile}.*INDEX.*LINE.*ADDRESS.*" \
 557     "maint info line-table with filename of current symtab"
 558
 559 gdb_test_no_output "maint info line-table ${srcfile2}" \
 560     "maint info line-table with filename of symtab that is not currently expanded"
 561
 562 gdb_test_no_output "maint expand-symtabs"
 563
 564 gdb_test "maint info line-table ${srcfile2}" \
 565     "symtab: \[^\n\r\]+${srcfile2}.*INDEX.*LINE.*ADDRESS.*" \
 566     "maint info line-table with filename of symtab that is not current"
 567
 568 gdb_test_no_output "maint info line-table xxx.c" \
 569     "maint info line-table with invalid filename"
 570
 571 set timeout $oldtimeout
 572
 573 # Just check that the DWARF unwinders control flag is visible.
 574 gdb_test "maint show dwarf unwinders" \
 575     "The DWARF stack unwinders are currently (on|off)\\."
 576
 577 #============test help on maint commands
 578
 579 test_prefix_command_help {"maint info" "maintenance info"} {
 580     "Commands for showing internal info about the program being debugged\\.\[\r\n\]+"
 581 }
 582
 583 test_prefix_command_help {"maint print" "maintenance print"} {
 584     "Maintenance command for printing GDB internal state\\.\[\r\n\]+"
 585 }
 586
 587 test_prefix_command_help {"maint" "maintenance"} {
 588     "Commands for use by GDB maintainers\\.\[\r\n\]+"
 589     "Includes commands to dump specific internal GDB structures in\[\r\n\]+"
 590     "a human readable form, to cause GDB to deliberately dump core, etc\\.\[\r\n\]+"
 591 }
 592
 593 #set oldtimeout $timeout
 594 #set timeout [expr $timeout + 300]
 595
 596 gdb_test_multiple "maint dump-me" "maint dump-me" {
 597     -re "Should GDB dump core.*\\(y or n\\) $" {
 598         gdb_test "n" ".*" "maint dump-me"
 599     }
 600     -re "Undefined maintenance command: .*$gdb_prompt $" {
 601         # Command 'maint dump-me' is registered on non-win32 host.
 602         unsupported "maint dump-me"
 603     }
 604 }
 605
 606 send_gdb "maint internal-error\n"
 607 gdb_expect {
 608     -re "A problem internal to GDB has been detected" {
 609         pass "maint internal-error"
 610         if [gdb_internal_error_resync] {
 611             pass "internal-error resync"
 612         } else {
 613             fail "internal-error resync"
 614         }
 615     }
 616     -re ".*$gdb_prompt $" {
 617         fail "maint internal-error"
 618         untested "internal-error resync"
 619     }
 620     timeout {
 621         fail "maint internal-error (timeout)"
 622         untested "internal-error resync"
 623     }
 624 }
 625
 626 #set timeout $oldtimeout
 627
 628 # Test that the commands work without an argument.  For this test, we
 629 # don't need an inferior loaded/running.  See PR gdb/21164.
 630 gdb_exit
 631 gdb_start
 632 gdb_test_no_output "maint print symbols"
 633 gdb_test_no_output "maint print msymbols"
 634 gdb_test_no_output "maint print psymbols"
 635
 636 gdb_exit
 637 return 0