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