maint.exp revision 1.1
1# Copyright 1998-2014 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 demangle -- Demangle a C++ mangled name 29#maintenance dump-me -- Get fatal error; make debugger dump its core 30#maintenance print -- Maintenance command for printing GDB internal state 31#maintenance info -- Commands for showing internal info about the program being debugged 32#maintenance internal-error -- Give GDB an internal error. 33# 34#maintenance print dummy-frames -- Print the dummy frame stack 35#maintenance print statistics -- Print statistics about internal gdb state 36#maintenance print objfiles -- Print dump of current object file definitions 37#maintenance print psymbols -- Print dump of current partial symbol definitions 38#maintenance print msymbols -- Print dump of current minimal symbol definitions 39#maintenance print symbols -- Print dump of current symbol definitions 40#maintenance print type -- Print a type chain for a given symbol 41#maintenance print unwind -- Print unwind table entry at given address 42# 43# 44#maintenance info sections -- List the BFD sections of the exec and core files 45#maintenance info breakpoints -- Status of all breakpoints 46# 47 48 49 50standard_testfile break.c break1.c 51 52if {[prepare_for_testing $testfile.exp $testfile \ 53 [list $srcfile $srcfile2] {debug nowarnings}]} { 54 untested $testfile.exp 55 return -1 56} 57 58# The commands we test here produce many lines of output; disable "press 59# <return> to continue" prompts. 60gdb_test_no_output "set height 0" 61 62# Tests that require that no program is running 63 64gdb_file_cmd ${binfile} 65 66# Test for a regression where this command would internal-error if the 67# program wasn't running. 68gdb_test "maint print registers" "Name.*Nr.*Rel.*Offset.*Size.*Type.*" 69 70# Test "mt expand-symtabs" here as it's easier to verify before we 71# run the program. 72gdb_test_no_output "mt set per on" "mt set per on for expand-symtabs" 73gdb_test_multiple "mt expand-symtabs $subdir/break\[.\]c$" \ 74 "mt expand-symtabs" { 75 -re "#primary symtabs: (1|2) \\(\[+\](0|1|2)\\),.*$gdb_prompt $" { 76 # This should expand at most two primary symtabs. 77 # "Normally" it will not expand any, because the symtab 78 # holding "main" will already have been expanded, but if the 79 # file is compiled with -fdebug-types-section then a second primary 80 # symtab for break.c will be created for any types. 81 pass "mt expand-symtabs" 82 } 83 } 84gdb_test "mt set per off" ".*" "mt set per off for expand-symtabs" 85 86# Tests that can or should be done with a running program 87 88gdb_load ${binfile} 89 90if ![runto_main] then { 91 perror "tests suppressed" 92} 93 94# If we're using .gdb_index there will be no psymtabs. 95set have_gdb_index 0 96gdb_test_multiple "maint info sections .gdb_index" "check for .gdb_index" { 97 -re ": .gdb_index.*$gdb_prompt $" { 98 set have_gdb_index 1 99 } 100 -re ".*$gdb_prompt $" { 101 ;# Nothing to do, present to avoid a FAIL. 102 } 103} 104 105# 106# this command does not produce any output 107# unless there is some problem with the symtabs and psymtabs 108# so that branch will really never be covered in this tests here!! 109# 110 111# guo: on linux this command output is huge. for some reason splitting up 112# the regexp checks works. 113# 114send_gdb "maint check-psymtabs\n" 115gdb_expect { 116 -re "^maint check-psymtabs" { 117 gdb_expect { 118 -re "$gdb_prompt $" { 119 pass "maint check-psymtabs" 120 } 121 timeout { fail "(timeout) maint check-psymtabs" } 122 } 123 } 124 -re ".*$gdb_prompt $" { fail "maint check-psymtabs" } 125 timeout { fail "(timeout) maint check-psymtabs" } 126} 127 128# This command does not produce any output unless there is some problem 129# with the symtabs, so that branch will really never be covered in the 130# tests here!! 131gdb_test_no_output "maint check-symtabs" 132 133gdb_test_no_output "maint set per-command on" 134 135gdb_test "maint set per-command off" \ 136 "Command execution time: \[0-9.\]+ \\(cpu\\), \[0-9.\]+ \\(wall\\)\[\r\n\]+Space used: $decimal \\(\\+$decimal for this command\\)\[\r\n\]+#symtabs: $decimal \\(\\+$decimal\\), #primary symtabs: $decimal \\(\\+$decimal\\), #blocks: $decimal \\(\\+$decimal\\)" 137 138gdb_test "maint demangle" \ 139 "\"maintenance demangle\" takes an argument to demangle\\." 140 141gdb_test "maint demangle main" "Can't demangle \"main\"" 142 143 144 145# The timeout value is raised, because printing all the symbols and 146# statistical information about Cygwin and Windows libraries takes a lot 147# of time. 148if [istarget "*-*-cygwin*"] { 149 set oldtimeout $timeout 150 set timeout [expr $timeout + 500] 151} 152 153send_gdb "maint print statistics\n" 154gdb_expect { 155 -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: $decimal\r\n" { 156 gdb_expect { 157 -re "$gdb_prompt $" { 158 pass "maint print statistics" 159 } 160 timeout { fail "(timeout) maint print statistics" } 161 } 162 } 163 -re ".*$gdb_prompt $" { fail "maint print statistics" } 164 timeout { fail "(timeout) maint print statistics" } 165} 166 167# There aren't any ... 168gdb_test_no_output "maint print dummy-frames" 169 170send_gdb "maint print objfiles\n" 171 172# To avoid timeouts, we avoid expects with many .* patterns that match 173# many lines. Instead, we keep track of which milestones we've seen 174# in the output, and stop when we've seen all of them. 175 176set header 0 177set psymtabs 0 178set symtabs 0 179set keep_looking 1 180 181while {$keep_looking} { 182 gdb_expect { 183 184 -re "\r\n" { 185 set output $expect_out(buffer) 186 if {[regexp ".*Object file.*maint($EXEEXT)?: Objfile at ${hex}" $output]} { 187 set header 1 188 } 189 if {[regexp ".*Psymtabs:\[\r\t \]+\n" $output]} { 190 set psymtabs 1 191 } 192 if {[regexp ".*Symtabs:\[\r\t \]+\n" $output]} { 193 set symtabs 1 194 } 195 } 196 197 -re ".*$gdb_prompt $" { 198 set keep_looking 0 199 } 200 timeout { 201 fail "(timeout) maint print objfiles" 202 set keep_looking 0 203 } 204 } 205} 206 207proc maint_pass_if {val name} { 208 if $val { pass $name } else { fail $name } 209} 210 211maint_pass_if $header "maint print objfiles: header" 212if { ! $have_gdb_index } { 213 maint_pass_if $psymtabs "maint print objfiles: psymtabs" 214} 215maint_pass_if $symtabs "maint print objfiles: symtabs" 216 217gdb_test "maint print psymbols" \ 218 "print-psymbols takes an output file name and optional symbol file name" \ 219 "maint print psymbols w/o args" 220 221if { ! $have_gdb_index } { 222 set psymbols_output [standard_output_file psymbols_output] 223 send_gdb "maint print psymbols $psymbols_output ${srcdir}/${subdir}/${srcfile}\n" 224 gdb_expect { 225 -re "^maint print psymbols $psymbols_output \[^\n\]*\r\n$gdb_prompt $" { 226 send_gdb "shell ls $psymbols_output\n" 227 gdb_expect { 228 -re "$psymbols_output\r\n$gdb_prompt $" { 229 # We want this grep to be as specific as possible, 230 # so it's less likely to match symbol file names in 231 # psymbols_output. Yes, this actually happened; 232 # poor expect got tons of output, and timed out 233 # trying to match it. --- Jim Blandy <jimb@cygnus.com> 234 send_gdb "shell grep 'main.*function' $psymbols_output\n" 235 gdb_expect { 236 -re ".main., function, $hex.*$gdb_prompt $" { 237 pass "maint print psymbols 1" 238 } 239 -re ".*main. .., function, $hex.*$gdb_prompt $" { 240 pass "maint print psymbols 2" 241 } 242 -re ".*$gdb_prompt $" { fail "maint print psymbols" } 243 timeout { fail "(timeout) maint print psymbols" } 244 } 245 gdb_test "shell rm -f $psymbols_output" ".*" \ 246 "shell rm -f psymbols_output" 247 } 248 -re ".*$gdb_prompt $" { fail "maint print psymbols" } 249 timeout { fail "(timeout) maint print psymbols" } 250 } 251 } 252 -re ".*$gdb_prompt $" { fail "maint print psymbols" } 253 timeout { fail "(timeout) maint print psymbols" } 254 } 255} 256 257gdb_test "maint print msymbols" \ 258 "print-msymbols takes an output file name and optional symbol file name" \ 259 "maint print msymbols w/o args" 260 261 262set msymbols_output [standard_output_file msymbols_output] 263send_gdb "maint print msymbols $msymbols_output ${binfile}\n" 264gdb_expect { 265 -re "^maint print msymbols $msymbols_output \[^\n\]*\r\n$gdb_prompt $" { 266 send_gdb "shell ls $msymbols_output\n" 267 gdb_expect { 268 -re "$msymbols_output\r\n$gdb_prompt $" { 269 send_gdb "shell grep factorial $msymbols_output\n" 270 gdb_expect { 271 -re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" { 272 pass "maint print msymbols" 273 } 274 -re ".*$gdb_prompt $" { fail "maint print msymbols" } 275 timeout { fail "(timeout) maint print msymbols" } 276 } 277 gdb_test "shell rm -f $msymbols_output" ".*" \ 278 "shell rm -f msymbols_output" 279 } 280 -re ".*$gdb_prompt $" { fail "maint print msymbols" } 281 timeout { fail "(timeout) maint print msymbols" } 282 } 283 } 284 -re ".*$gdb_prompt $" { fail "maint print msymbols" } 285 timeout { fail "(timeout) maint print msymbols" } 286} 287 288# Check that maint print msymbols allows relative pathnames 289set mydir [pwd] 290gdb_test "cd [standard_output_file {}]" \ 291 "Working directory .*\..*" \ 292 "cd to objdir" 293 294gdb_test_multiple "maint print msymbols msymbols_output2 ${testfile}" "maint print msymbols" { 295 -re "^maint print msymbols msymbols_output2 \[^\n\]*\r\n$gdb_prompt $" { 296 gdb_test_multiple "shell ls msymbols_output2" "maint print msymbols" { 297 -re "msymbols_output2\r\n$gdb_prompt $" { 298 gdb_test_multiple "shell grep factorial msymbols_output2" "maint print msymbols" { 299 -re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" { 300 pass "maint print msymbols" 301 } 302 -re ".*$gdb_prompt $" { 303 fail "maint print msymbols" 304 } 305 timeout { 306 fail "(timeout) maint print msymbols" 307 } 308 } 309 gdb_test "shell rm -f msymbols_output2" ".*" \ 310 "shell rm -f msymbols_output2" 311 } 312 -re ".*$gdb_prompt $" { 313 fail "maint print msymbols" 314 } 315 timeout { 316 fail "(timeout) maint print msymbols" 317 } 318 } 319 } 320 -re ".*$gdb_prompt $" { 321 fail "maint print msymbols" 322 } 323 timeout { 324 fail "(timeout) maint print msymbols" 325 } 326} 327gdb_test "cd ${mydir}" \ 328 "Working directory [string_to_regexp ${mydir}]\..*" \ 329 "cd to mydir" 330 331gdb_test "maint print symbols" \ 332 "Arguments missing: an output file name and an optional symbol file name" \ 333 "maint print symbols w/o args" 334 335 336# Request symbols for one particular source file so that we don't try to 337# dump the symbol information for the entire C library - over 500MB nowadays 338# for GNU libc. 339 340set symbols_output [standard_output_file symbols_output] 341send_gdb "maint print symbols $symbols_output ${srcdir}/${subdir}/${srcfile}\n" 342gdb_expect { 343 -re "^maint print symbols $symbols_output \[^\n\]*\r\n$gdb_prompt $" { 344 send_gdb "shell ls $symbols_output\n" 345 gdb_expect { 346 -re "$symbols_output\r\n$gdb_prompt $" { 347 # See comments for `maint print psymbols'. 348 send_gdb "shell grep 'main(.*block' $symbols_output\n" 349 gdb_expect { 350 -re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $" { 351 pass "maint print symbols" 352 } 353 -re ".*$gdb_prompt $" { fail "maint print symbols" } 354 timeout { fail "(timeout) maint print symbols" } 355 } 356 gdb_test "shell rm -f $symbols_output" ".*" \ 357 "shell rm -f symbols_output" 358 } 359 -re ".*$gdb_prompt $" { fail "maint print symbols" } 360 timeout { fail "(timeout) maint print symbols" } 361 } 362 } 363 -re ".*$gdb_prompt $" { fail "maint print symbols" } 364 timeout { fail "(timeout) maint print symbols" } 365} 366 367set msg "maint print type" 368gdb_test_multiple "maint print type argc" $msg { 369 -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\nvptr_basetype $hex\r\nvptr_fieldno -1\r\n$gdb_prompt $" { 370 pass $msg 371 } 372} 373 374if [istarget "hppa*-*-11*"] { 375 setup_xfail hppa*-*-*11* CLLbs14860 376 gdb_test_multiple "maint print unwind &main" "maint print unwind" { 377 -re ".*unwind_table_entry \\($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 $" { 378 pass "maint print unwind" 379 } 380 -re ".*unwind_table_entry \\($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 $" { 381 xfail "maint print unwind" 382 } 383 } 384} 385 386set oldtimeout $timeout 387set timeout [expr $timeout + 300] 388 389# It'd be nice to check for every possible section. However, that's 390# problematic, since the relative ordering wanders from release to 391# release of the compilers. Instead, we'll just check for two 392# sections which appear to always come out in the same relative 393# order. (If that changes, then we should just check for one 394# section.) 395# 396# And by the way: This testpoint will break for PA64, where a.out's 397# are ELF files. 398 399# Standard GNU names. 400set text_section ".text" 401set data_section ".data" 402 403gdb_test_multiple "maint info sections" "maint info sections" { 404 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*ER_RO.*$gdb_prompt $" { 405 # Looks like RealView which uses different section names. 406 set text_section ER_RO 407 set data_section ER_RW 408 pass "maint info sections" 409 } 410 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*neardata.*$gdb_prompt $" { 411 # c6x doesn't have .data section. It has .neardata and .fardata section. 412 set data_section ".neardata" 413 pass "maint info sections" 414 } 415 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*$gdb_prompt $" { 416 pass "maint info sections" 417 } 418} 419 420# Test for new option: maint info sections <section name> 421# If you don't have a .text section, this will require tweaking. 422 423gdb_test_multiple "maint info sections $text_section" \ 424 "maint info sections .text" { 425 -re ".* \\.bss .*$gdb_prompt $" { 426 fail "maint info sections .text" 427 } 428 -re ".* $data_section .*$gdb_prompt $" { 429 fail "maint info sections .text" 430 } 431 -re ".* $text_section .*$gdb_prompt $" { 432 pass "maint info sections .text" 433 } 434 } 435 436# Test for new option: CODE section flag 437# If your data section is tagged CODE, xfail this test. 438 439gdb_test_multiple "maint info sections CODE" "maint info sections CODE" { 440 -re ".* $data_section .*$gdb_prompt $" { fail "maint info sections CODE" } 441 -re ".* $text_section .*$gdb_prompt $" { pass "maint info sections CODE" } 442} 443 444# Test for new option: DATA section flag 445# If your text section is tagged DATA, xfail this test. 446# 447# The "maint info sections DATA" test is marked for XFAIL on Windows, 448# because Windows has text sections marked DATA. 449setup_xfail "*-*-*cygwin*" 450setup_xfail "*-*-*mingw*" 451 452gdb_test_multiple "maint info sections DATA" "maint info sections DATA" { 453 -re ".* $text_section .*$gdb_prompt $" { fail "maint info sections DATA" } 454 -re ".* $data_section .*$gdb_prompt $" { pass "maint info sections DATA" } 455 -re ".* .rodata .*$gdb_prompt $" { pass "maint info sections DATA" } 456} 457 458set bp_location6 [gdb_get_line_number "set breakpoint 6 here"] 459 460gdb_test_multiple "maint info breakpoints" "maint info breakpoints" { 461 -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 $" { 462 pass "maint info breakpoints" 463 } 464 -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 $" { 465 pass "maint info breakpoints (with shlib events)" 466 } 467} 468 469gdb_test "maint print" \ 470 "\"maintenance print\" must be followed by the name of a print command\\.\r\nList.*unambiguous\\..*" \ 471 "maint print w/o args" 472 473gdb_test "maint info" \ 474 "\"maintenance info\" must be followed by the name of an info command\\.\r\nList.*unambiguous\\..*" \ 475 "maint info w/o args" 476 477gdb_test "maint" \ 478 "\"maintenance\" must be followed by the name of a maintenance command\\.\r\nList.*unambiguous\\..*" \ 479 "maint w/o args" 480 481set timeout $oldtimeout 482 483#============test help on maint commands 484 485gdb_test "help maint" \ 486 "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,.*to test internal functions such as the C../ObjC demangler, 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\\..*" 487 488gdb_test "help maint info" \ 489 "Commands for showing internal info about the program being debugged.*unambiguous\\..*" 490 491test_prefix_command_help {"maint print" "maintenance print"} { 492 "Maintenance command for printing GDB internal state\\.\[\r\n\]+" 493} 494 495test_prefix_command_help {"maint" "maintenance"} { 496 "Commands for use by GDB maintainers\\.\[\r\n\]+" 497 "Includes commands to dump specific internal GDB structures in\[\r\n\]+" 498 "a human readable form, to cause GDB to deliberately dump core,\[\r\n\]+" 499 "to test internal functions such as the C\\+\\+/ObjC demangler, etc\\.\[\r\n\]+" 500} 501 502#set oldtimeout $timeout 503#set timeout [expr $timeout + 300] 504 505gdb_test_multiple "maint dump-me" "maint dump-me" { 506 -re "Should GDB dump core.*\\(y or n\\) $" { 507 gdb_test "n" ".*" "maint dump-me" 508 } 509 -re "Undefined maintenance command: .*$gdb_prompt $" { 510 # Command 'maint dump-me' is registered on non-win32 host. 511 unsupported "maint dump-me" 512 } 513} 514 515send_gdb "maint internal-error\n" 516gdb_expect { 517 -re "A problem internal to GDB has been detected" { 518 pass "maint internal-error" 519 if [gdb_internal_error_resync] { 520 pass "internal-error resync" 521 } else { 522 fail "internal-error resync" 523 } 524 } 525 -re ".*$gdb_prompt $" { 526 fail "maint internal-error" 527 untested "internal-error resync" 528 } 529 timeout { 530 fail "maint internal-error (timeout)" 531 untested "internal-error resync" 532 } 533} 534 535#set timeout $oldtimeout 536 537 538gdb_exit 539return 0 540