maint.exp revision 1.8
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 49standard_testfile break.c break1.c 50 51if {[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. 58gdb_test_no_output "set height 0" 59 60# Tests that require that no program is running 61 62gdb_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. 68set saw_registers 0 69set saw_headers 0 70set test "maint print registers" 71gdb_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. 90gdb_test_no_output "mt set per on" "mt set per on for expand-symtabs" 91gdb_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 } 102gdb_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 106gdb_load ${binfile} 107 108if ![runto_main] then { 109 perror "tests suppressed" 110} 111 112# If we're using .gdb_index or .debug_names there will be no psymtabs. 113set have_gdb_index 0 114gdb_test_multiple "maint info sections .gdb_index .debug_names" "check for .gdb_index" { 115 -re ": \\.gdb_index .*\r\n$gdb_prompt $" { 116 set have_gdb_index 1 117 } 118 -re ": \\.debug_names .*\r\n$gdb_prompt $" { 119 set have_gdb_index 1 120 } 121 -re ".*$gdb_prompt $" { 122 ;# Nothing to do, present to avoid a FAIL. 123 } 124} 125 126# There also won't be any psymtabs if we read the index from the index cache. 127# We can detect this by looking if the index-cache is enabled and if the number 128# of cache misses is 0. 129set index_cache_misses -1 130gdb_test_multiple "show index-cache stats" "check index cache stats" { 131 -re ".*Cache misses \\(this session\\): (\\d+)\r\n.*$gdb_prompt $" { 132 set index_cache_misses $expect_out(1,string) 133 } 134} 135 136set using_index_cache 0 137gdb_test_multiple "show index-cache" "check index cache status" { 138 -re ".*is currently disabled.\r\n$gdb_prompt $" { 139 set using_index_cache 0 140 } 141 -re ".*is currently enabled.\r\n$gdb_prompt $" { 142 set using_index_cache 1 143 } 144} 145 146if { $index_cache_misses == 0 && $using_index_cache } { 147 set have_gdb_index 1 148} 149 150# 151# this command does not produce any output 152# unless there is some problem with the symtabs and psymtabs 153# so that branch will really never be covered in this tests here!! 154# 155 156# guo: on linux this command output is huge. for some reason splitting up 157# the regexp checks works. 158# 159send_gdb "maint check-psymtabs\n" 160gdb_expect { 161 -re "^maint check-psymtabs" { 162 gdb_expect { 163 -re "$gdb_prompt $" { 164 pass "maint check-psymtabs" 165 } 166 timeout { fail "(timeout) maint check-psymtabs" } 167 } 168 } 169 -re ".*$gdb_prompt $" { fail "maint check-psymtabs" } 170 timeout { fail "(timeout) maint check-psymtabs" } 171} 172 173# This command does not produce any output unless there is some problem 174# with the symtabs, so that branch will really never be covered in the 175# tests here!! 176gdb_test_no_output "maint check-symtabs" 177 178# Test per-command stats. 179gdb_test_no_output "maint set per-command on" 180gdb_test "pwd" \ 181 "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\\)" 182gdb_test_no_output "maint set per-command off" 183 184# The timeout value is raised, because printing all the symbols and 185# statistical information about Cygwin and Windows libraries takes a lot 186# of time. 187if [istarget "*-*-cygwin*"] { 188 set oldtimeout $timeout 189 set timeout [expr $timeout + 500] 190} 191 192send_gdb "maint print statistics\n" 193gdb_expect { 194 -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: $decimal\r\n" { 195 gdb_expect { 196 -re "$gdb_prompt $" { 197 pass "maint print statistics" 198 } 199 timeout { fail "(timeout) maint print statistics" } 200 } 201 } 202 -re ".*$gdb_prompt $" { fail "maint print statistics" } 203 timeout { fail "(timeout) maint print statistics" } 204} 205 206# There aren't any ... 207gdb_test_no_output "maint print dummy-frames" 208 209send_gdb "maint print objfiles\n" 210 211# To avoid timeouts, we avoid expects with many .* patterns that match 212# many lines. Instead, we keep track of which milestones we've seen 213# in the output, and stop when we've seen all of them. 214 215set header 0 216set psymtabs 0 217set symtabs 0 218set keep_looking 1 219 220while {$keep_looking} { 221 gdb_expect { 222 223 -re "\r\n" { 224 set output $expect_out(buffer) 225 if {[regexp ".*Object file.*maint($EXEEXT)?: Objfile at ${hex}" $output]} { 226 set header 1 227 } 228 if {[regexp ".*Psymtabs:\[\r\t \]+\n" $output]} { 229 set psymtabs 1 230 } 231 if {[regexp ".*Symtabs:\[\r\t \]+\n" $output]} { 232 set symtabs 1 233 } 234 } 235 236 -re ".*$gdb_prompt $" { 237 set keep_looking 0 238 } 239 timeout { 240 fail "(timeout) maint print objfiles" 241 set keep_looking 0 242 } 243 } 244} 245 246proc maint_pass_if {val name} { 247 if $val { pass $name } else { fail $name } 248} 249 250maint_pass_if $header "maint print objfiles: header" 251if { ! $have_gdb_index } { 252 maint_pass_if $psymtabs "maint print objfiles: psymtabs" 253} 254maint_pass_if $symtabs "maint print objfiles: symtabs" 255 256if { ! $have_gdb_index } { 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 301set msymbols_output [standard_output_file msymbols_output] 302set msymbols_output_re [string_to_regexp $msymbols_output] 303send_gdb "maint print msymbols -objfile ${binfile} $msymbols_output\n" 304gdb_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 324set mydir [pwd] 325gdb_test "cd [standard_output_file {}]" \ 326 "Working directory .*\..*" \ 327 "cd to objdir" 328 329gdb_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} 341gdb_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 350set symbols_output [standard_output_file symbols_output] 351set symbols_output_re [string_to_regexp $symbols_output] 352set 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"] 357foreach { 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 385set msg "maint print type" 386gdb_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 $msg 389 } 390} 391 392if [istarget "hppa*-*-11*"] { 393 setup_xfail hppa*-*-*11* CLLbs14860 394 gdb_test_multiple "maint print unwind &main" "maint print unwind" { 395 -re ".*unwind_table_entry \\($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 404set oldtimeout $timeout 405set timeout [expr $timeout + 300] 406 407# It'd be nice to check for every possible section. However, that's 408# problematic, since the relative ordering wanders from release to 409# release of the compilers. Instead, we'll just check for two 410# sections which appear to always come out in the same relative 411# order. (If that changes, then we should just check for one 412# section.) 413# 414# And by the way: This testpoint will break for PA64, where a.out's 415# are ELF files. 416 417# Standard GNU names. 418set text_section ".text" 419set data_section ".data" 420 421gdb_test_multiple "maint info sections" "maint info sections" { 422 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*ER_RO.*$gdb_prompt $" { 423 # Looks like RealView which uses different section names. 424 set text_section ER_RO 425 set data_section ER_RW 426 pass "maint info sections" 427 } 428 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*neardata.*$gdb_prompt $" { 429 # c6x doesn't have .data section. It has .neardata and .fardata section. 430 set data_section ".neardata" 431 pass "maint info sections" 432 } 433 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*$gdb_prompt $" { 434 pass "maint info sections" 435 } 436} 437 438# Test for new option: maint info sections <section name> 439# If you don't have a .text section, this will require tweaking. 440 441gdb_test_multiple "maint info sections $text_section" \ 442 "maint info sections .text" { 443 -re ".* \\.bss .*$gdb_prompt $" { 444 fail "maint info sections .text" 445 } 446 -re ".* $data_section .*$gdb_prompt $" { 447 fail "maint info sections .text" 448 } 449 -re ".* $text_section .*$gdb_prompt $" { 450 pass "maint info sections .text" 451 } 452 } 453 454# Test for new option: CODE section flag 455# If your data section is tagged CODE, xfail this test. 456 457gdb_test_multiple "maint info sections CODE" "maint info sections CODE" { 458 -re ".* $data_section .*$gdb_prompt $" { fail "maint info sections CODE" } 459 -re ".* $text_section .*$gdb_prompt $" { pass "maint info sections CODE" } 460} 461 462# Test for new option: DATA section flag 463# If your text section is tagged DATA, xfail this test. 464# 465# The "maint info sections DATA" test is marked for XFAIL on Windows, 466# because Windows has text sections marked DATA. 467setup_xfail "*-*-*cygwin*" 468setup_xfail "*-*-*mingw*" 469 470gdb_test_multiple "maint info sections DATA" "maint info sections DATA" { 471 -re ".* $text_section .*$gdb_prompt $" { fail "maint info sections DATA" } 472 -re ".* $data_section .*$gdb_prompt $" { pass "maint info sections DATA" } 473 -re ".* .rodata .*$gdb_prompt $" { pass "maint info sections DATA" } 474} 475 476set bp_location6 [gdb_get_line_number "set breakpoint 6 here"] 477 478gdb_test_multiple "maint info breakpoints" "maint info breakpoints" { 479 -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 $" { 480 pass "maint info breakpoints" 481 } 482 -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 $" { 483 pass "maint info breakpoints (with shlib events)" 484 } 485} 486 487gdb_test "maint print" \ 488 "\"maintenance print\" must be followed by the name of a print command\\.\r\nList.*unambiguous\\..*" \ 489 "maint print w/o args" 490 491gdb_test "maint info" \ 492 "\"maintenance info\" must be followed by the name of an info command\\.\r\nList.*unambiguous\\..*" \ 493 "maint info w/o args" 494 495gdb_test "maint" \ 496 "\"maintenance\" must be followed by the name of a maintenance command\\.\r\nList.*unambiguous\\..*" \ 497 "maint w/o args" 498 499# Test that "main info line-table" w/o a file name shows the symtab for 500# $srcfile. 501set saw_srcfile 0 502set test "maint info line-table w/o a file name" 503gdb_test_multiple "maint info line-table" $test { 504 -re "symtab: \[^\n\r\]+${srcfile} \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS" { 505 set saw_srcfile 1 506 exp_continue 507 } 508 -re "symtab: \[^\n\r\]+ \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS" { 509 # Match each symtab to avoid overflowing expect's buffer. 510 exp_continue 511 } 512 -re "$decimal\[ \t\]+$decimal\[ \t\]+$hex\r\n" { 513 # Line table entries can be long too: 514 # 515 # INDEX LINE ADDRESS 516 # 0 29 0x00000000004006f6 517 # 1 30 0x00000000004006fa 518 # 2 31 0x0000000000400704 519 # 3 42 0x0000000000400706 520 # 4 43 0x0000000000400719 521 # 5 44 0x0000000000400722 522 # 6 45 0x0000000000400740 523 # (...) 524 # 454 129 0x00007ffff7df1d28 525 # 455 0 0x00007ffff7df1d3f 526 # 527 # Match each line to avoid overflowing expect's buffer. 528 exp_continue 529 } 530 -re "$gdb_prompt $" { 531 gdb_assert $saw_srcfile $test 532 } 533} 534 535gdb_test "maint info line-table ${srcfile}" \ 536 "symtab: \[^\n\r\]+${srcfile}.*INDEX.*LINE.*ADDRESS.*" \ 537 "maint info line-table with filename of current symtab" 538 539gdb_test_no_output "maint info line-table ${srcfile2}" \ 540 "maint info line-table with filename of symtab that is not currently expanded" 541 542gdb_test_no_output "maint expand-symtabs" 543 544gdb_test "maint info line-table ${srcfile2}" \ 545 "symtab: \[^\n\r\]+${srcfile2}.*INDEX.*LINE.*ADDRESS.*" \ 546 "maint info line-table with filename of symtab that is not current" 547 548gdb_test_no_output "maint info line-table xxx.c" \ 549 "maint info line-table with invalid filename" 550 551set timeout $oldtimeout 552 553# Just check that the DWARF unwinders control flag is visible. 554gdb_test "maint show dwarf unwinders" \ 555 "The DWARF stack unwinders are currently (on|off)\\." 556 557#============test help on maint commands 558 559test_prefix_command_help {"maint info" "maintenance info"} { 560 "Commands for showing internal info about the program being debugged\\.\[\r\n\]+" 561} 562 563test_prefix_command_help {"maint print" "maintenance print"} { 564 "Maintenance command for printing GDB internal state\\.\[\r\n\]+" 565} 566 567test_prefix_command_help {"maint" "maintenance"} { 568 "Commands for use by GDB maintainers\\.\[\r\n\]+" 569 "Includes commands to dump specific internal GDB structures in\[\r\n\]+" 570 "a human readable form, to cause GDB to deliberately dump core, etc\\.\[\r\n\]+" 571} 572 573#set oldtimeout $timeout 574#set timeout [expr $timeout + 300] 575 576gdb_test_multiple "maint dump-me" "maint dump-me" { 577 -re "Should GDB dump core.*\\(y or n\\) $" { 578 gdb_test "n" ".*" "maint dump-me" 579 } 580 -re "Undefined maintenance command: .*$gdb_prompt $" { 581 # Command 'maint dump-me' is registered on non-win32 host. 582 unsupported "maint dump-me" 583 } 584} 585 586send_gdb "maint internal-error\n" 587gdb_expect { 588 -re "A problem internal to GDB has been detected" { 589 pass "maint internal-error" 590 if [gdb_internal_error_resync] { 591 pass "internal-error resync" 592 } else { 593 fail "internal-error resync" 594 } 595 } 596 -re ".*$gdb_prompt $" { 597 fail "maint internal-error" 598 untested "internal-error resync" 599 } 600 timeout { 601 fail "maint internal-error (timeout)" 602 untested "internal-error resync" 603 } 604} 605 606#set timeout $oldtimeout 607 608# Test that the commands work without an argument. For this test, we 609# don't need an inferior loaded/running. See PR gdb/21164. 610gdb_exit 611gdb_start 612gdb_test_no_output "maint print symbols" 613gdb_test_no_output "maint print msymbols" 614gdb_test_no_output "maint print psymbols" 615 616gdb_exit 617return 0 618