gdb/testsuite/gdb.gdb/selftest.exp

   1 # Copyright 1988-2016 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Rob Savoye. (rob@cygnus.com)
  17
  18 load_lib selftest-support.exp
  19
  20 # Not all of the lines of code near the start of main are executed for
  21 # every machine.  Also, optimization may reorder some of the lines.
  22 # So all we do is try to step or next over everything until we get
  23 # to a line that we know is always executed.
  24
  25 proc do_steps_and_nexts {} {
  26     global gdb_prompt
  27     global srcdir
  28
  29     gdb_reinitialize_dir $srcdir/..
  30
  31     set unlikely_line 0
  32     for {set count 0} {$count < 32} {incr count} {
  33         # NOTE: carlton/2002-12-11: The "initial brace" and
  34         # "current_directory initialization" possibilities happen to
  35         # me with GCC 3.1 on i686-pc-linux-gnu when I compile with
  36         # optimization.
  37         gdb_test_multiple "list" "list" {
  38             -re ".*context = \\(struct captured_main_args \\*\\) data.*$gdb_prompt $" {
  39                 set description "step over context initialization"
  40                 set command "step"
  41             }
  42             -re ".*argc = context->argc.*$gdb_prompt $" {
  43                 set description "step over argc initialization"
  44                 set command "step"
  45             }
  46             -re ".*argv = context->argv.*$gdb_prompt $" {
  47                 set description "step over argv initialization"
  48                 set command "step"
  49             }
  50             -re ".*quiet = 0.*$gdb_prompt $" {
  51                 set description "step over quiet initialization"
  52                 set command "step"
  53             }
  54             -re ".*batch = 0.*$gdb_prompt $" {
  55                 set description "step over batch initialization"
  56                 set command "step"
  57             }
  58             -re ".*symarg = NULL.*$gdb_prompt $" {
  59                 set description "step over symarg initialization"
  60                 set command "step"
  61             }
  62             -re ".*execarg = NULL.*$gdb_prompt $" {
  63                 set description "step over execarg initialization"
  64                 set command "step"
  65             }
  66             -re ".*pidarg = NULL.*$gdb_prompt $" {
  67                 set description "step over pidarg initialization"
  68                 set command "step"
  69             }
  70             -re ".*corearg = NULL.*$gdb_prompt $" {
  71                 set description "step over corearg initialization"
  72                 set command "step"
  73             }
  74             -re ".*pid_or_core_arg = NULL.*$gdb_prompt $" {
  75                 set description "step over pid_or_core_arg initialization"
  76                 set command "step"
  77             }
  78             -re ".*cdarg = NULL.*$gdb_prompt $" {
  79                 set description "step over cdarg initialization"
  80                 set command "step"
  81             }
  82             -re ".*ttyarg = NULL.*$gdb_prompt $" {
  83                 set description "step over ttyarg initialization"
  84                 set command "step"
  85             }
  86             -re ".*cmdarg_vec = NULL.*$gdb_prompt $" {
  87                 set description "step over cmdarg_vec initialization"
  88                 set command "step"
  89             }
  90             -re ".*pre_stat_chain = make_command_stats_cleanup.*$gdb_prompt $" {
  91                 set description "next over make_command_stats_cleanup and everything it calls"
  92                 set command "next"
  93             }
  94             -re ".*START_PROGRESS.*$gdb_prompt $" {
  95                 # Note: ezannoni/2004/02/17: This check should be
  96                 # removed, since as of today that source line is not
  97                 # in gdb anymore.
  98                 set description "next over START_PROGRESS and everything it calls"
  99                 set command "next"
 100             }
 101             -re ".*mac_init.*$gdb_prompt $" {
 102                 set description "next over mac_init and everything it calls"
 103                 set command "next"
 104             }
 105             -re ".*init_malloc.*$gdb_prompt $" {
 106                 # gdb 6.2.X is the last gdb which called init_malloc
 107                 set description "next over init_malloc and everything it calls"
 108                 set command "next"
 109             }
 110             -re ".*lim_at_start.*$gdb_prompt $" {
 111                 set description "next over lim_at_start initialization"
 112                 set command "next"
 113             }
 114             -re ".*TRY.*$gdb_prompt $" {
 115                 set description "next over TRY"
 116                 set command "next"
 117             }
 118             -re ".*captured_main \\(args\\);.*$gdb_prompt $" {
 119                 set description "step into captured_main (args)"
 120                 set command "step"
 121             }
 122             -re ".*count . 0x3.*$gdb_prompt $" {
 123                 set description "next over conditional stack alignment code 1"
 124                 set command "next"
 125             }
 126             -re ".*if .i != 0.*$gdb_prompt $" {
 127                 set description "next over conditional stack alignment code 2"
 128                 set command "next"
 129             }
 130             -re ".*alloca .i - 4.*$gdb_prompt $" {
 131                 set description "next over conditional stack alignment alloca"
 132                 set command "next"
 133             }
 134             -re ".*dirsize = 1.*$gdb_prompt $" {
 135                 set description "next over dirsize initialization"
 136                 set command "next"
 137             }
 138             -re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
 139                 return
 140             }
 141             -re ".*setlocale .LC_MESSAGES,.*$gdb_prompt $" {
 142                 set description "next over setlocale LC_MESSAGES"
 143                 set command "next"
 144             }
 145             -re ".*setlocale .LC_CTYPE,.*$gdb_prompt $" {
 146                 set description "next over setlocale LC_CTYPE"
 147                 set command "next"
 148             }
 149             -re ".*bindtextdomain .PACKAGE, LOCALEDIR.;.*$gdb_prompt $" {
 150                 set description "next over bindtextdomain"
 151                 set command "next"
 152             }
 153             -re ".*textdomain .PACKAGE.;.*$gdb_prompt $" {
 154                 set description "next over textdomain PACKAGE"
 155                 set command "next"
 156             }
 157             -re ".*bfd_init ..;.*$gdb_prompt $" {
 158                 set description "next over bfd_init"
 159                 set command "next"
 160             }
 161             -re ".*notice_open_fds ..;.*$gdb_prompt $" {
 162                 set description "next over notice_open_fds"
 163                 set command "next"
 164             }
 165             -re ".*save_original_signals_state ..;.*$gdb_prompt $" {
 166                 set description "next over save_original_signals_state"
 167                 set command "next"
 168             }
 169             -re ".*VEC_cleanup .cmdarg_s.*$gdb_prompt $" {
 170                 set description "next over cmdarg_s VEC_cleanup"
 171                 set command "next"
 172             }
 173             -re "\[0-9\]+\[\t \]+\{\r\n$gdb_prompt $" {
 174                 set description "step over initial brace"
 175                 set command "step"
 176             }
 177             -re ".*current_directory = gdb_dirbuf.*$gdb_prompt $" {
 178                 set description "step over current_directory initialization"
 179                 set command "step"
 180             }
 181             -re ".*gdb_sysroot = .*$gdb_prompt $" {
 182                 # NOTE: carlton/2003-01-15: More optimization reordering,
 183                 # observed on GCC 3.1.
 184                 set description "step over gdb_sysroot initialization"
 185                 set command "step"
 186             }
 187             -re ".*ndir = 0.*$gdb_prompt $" {
 188                 set description "step over ndir initialization"
 189                 set command "step"
 190             }
 191             -re ".*instream = stdin.*$gdb_prompt $" {
 192                 set description "step over instream initialization"
 193                 set command "step"
 194             }
 195             -re ".*getcwd .gdb_dirbuf, sizeof .gdb_dirbuf.*$gdb_prompt $" {
 196                 set description "next over getcwd"
 197                 set command "next"
 198             }
 199             -re ".*gdb_program_name = xstrdup.*$gdb_prompt $" {
 200                 set description "next over xstrdup"
 201                 set command "next"
 202             }
 203             -re ".*quit_flag = 0.*$gdb_prompt $" {
 204                 set description "step over quit_flag initialization"
 205                 set command "step"
 206             }
 207             -re ".*gdb_stdout = stdio_fileopen .stdout.;.*$gdb_prompt $" {
 208                 set description "step over gdb_stdout initialization"
 209                 set command "step"
 210             }
 211             -re ".*gdb_stderr = stdio_fileopen .stderr.;.*$gdb_prompt $" {
 212                 set description "step over gdb_stderr initialization"
 213                 set command "step"
 214             }
 215             -re "ui = current_ui.*$gdb_prompt $" {
 216                 set description "step over top_level initialization"
 217                 set command "step"
 218             }
 219             -re ".*main.c.*No such file or directory.*$gdb_prompt $" {
 220                 setup_xfail "rs6000-*-aix3*"
 221                 fail "must be able to list source lines"
 222                 return
 223             }
 224             -re ".*interpreter_p = xstrdup.*$gdb_prompt $" {
 225                 if { $unlikely_line == 0 } {
 226                     # This is a GCC optimization bug; a constant has been
 227                     # associated with the wrong line number.
 228                     setup_xfail "*-*-*" gcc/26475
 229                     fail "$description (unlikely line from gcc)"
 230                     set unlikely_line 1
 231                 }
 232                 set description "next over xstrdup"
 233                 set command "next"
 234             }
 235             -re ".*$gdb_prompt $" {
 236                 # If $description hasn't been set yet, it's likely the file
 237                 # has been edited but gdb hasn't been recompiled.
 238                 if [info exists description] {
 239                     fail "unknown source line (after $description)"
 240                 } else {
 241                     fail "unknown source line"
 242                 }
 243                 return
 244             }
 245             default {
 246                 fail "unknown source line near main"
 247                 return
 248             }
 249         }
 250         gdb_test_multiple "$command" "$description" {
 251             -re ".*No such file or directory.\r\n$gdb_prompt $" {
 252                 fail "$description (no source available)"
 253             }
 254             -re ".*A file or directory .* does not exist..\r\n$gdb_prompt $" {
 255                 fail "$description (no source available)"
 256             }
 257             -re ".*$gdb_prompt $" {
 258                 pass "$description"
 259             }
 260         }
 261     }
 262 }
 263
 264 proc test_with_self { } {
 265     global gdb_prompt
 266     global decimal
 267     global timeout
 268     global inferior_spawn_id
 269
 270     # When GDB is built as a C++ program, disassemble shows the full
 271     # prototype.
 272     set cxx_main_args_re [string_to_regexp "(int, char**)"]
 273
 274     # disassemble yourself
 275     gdb_test "x/10i main" \
 276             "x/10i.*main.*main($cxx_main_args_re)?.$decimal.*main($cxx_main_args_re)?.$decimal.*" \
 277             "Disassemble main"
 278
 279     # We'll need this when we send a ^C to GDB.  Need to do it before we
 280     # run the program and gdb starts saving and restoring tty states.
 281     gdb_test "shell stty intr '^C'" ".*" \
 282         "set interrupt character in test_with_self"
 283
 284     # FIXME: If we put this after the run to main, the first list
 285     # command doesn't print the same line as the current line where
 286     # gdb is stopped.
 287     gdb_test_no_output "set listsize 1" "set listsize to 1"
 288
 289     # do we have a version number ?
 290     gdb_test_multiple "print version" "printed version" {
 291         -re ".\[0-9\]+ = .\[0-9.\]+.*$gdb_prompt $" {
 292             pass "printed version as string"
 293         }
 294         -re ".\[0-9\]+ = +0x.*\[0-9.\]+.*$gdb_prompt $" {
 295             pass "printed version as pointer"
 296         }
 297         -re ".\[0-9\]+ = +.+ +0x.*\[0-9.\]+.*$gdb_prompt $" {
 298             pass "printed version with cast"
 299         }
 300     }
 301
 302     do_steps_and_nexts
 303
 304     gdb_test "print \"foo\"" ".\[0-9\]+ = \"foo\"" "print a string"
 305
 306     # do_steps_and_nexts left us ready to execute an xmalloc call,
 307     # so give that a try.
 308     # If we don't actually enter the xmalloc call when we give a
 309     # step command that seems like a genuine bug.  It seems to happen
 310     # on most RISC processors.
 311     # NOTE drow/2003-06-22: However, if we step back to the preceding two
 312     # lines, just keep stepping until we enter.
 313     set stepped_back 0
 314     setup_xfail "alpha-*-*" "mips-*-*"
 315     set description "step into xmalloc call"
 316     gdb_test_multiple "step" "$description" {
 317         -re "ncmd = 0;.*$gdb_prompt $" {
 318             set stepped_back 1
 319             send_gdb "step\n"
 320             exp_continue
 321         }
 322         -re ".*cmdarg = .* xmalloc.*$gdb_prompt $" {
 323             set stepped_back 1
 324             send_gdb "step\n"
 325             exp_continue
 326         }
 327         -re "dirsize = 1;.*$gdb_prompt $" {
 328             set stepped_back 1
 329             send_gdb "step\n"
 330             exp_continue
 331         }
 332         -re ".*dirarg = .* xmalloc.*$gdb_prompt $" {
 333             if { $stepped_back == 1 } {
 334                 send_gdb "step\n"
 335                 exp_continue
 336             } else {
 337                 fail "$description"
 338             }
 339         }
 340         -re "xmalloc.*size=.*at.*utils.c.*$gdb_prompt $" {
 341             pass "$description"
 342         }
 343         -re ".*No such file or directory.\r\n$gdb_prompt $" {
 344             pass "$description (no source available)"
 345         }
 346         -re "A file or directory .* does not exist..\r\n$gdb_prompt $" {
 347             pass "$description (no source available)"
 348         }
 349     }
 350
 351     # start the "xgdb" process
 352     if [target_info exists gdb,noinferiorio] {
 353         # With no way to interact with the inferior GDB, all we can do
 354         # is let it run.
 355         send_gdb "continue\n"
 356         # Wait a bit while the inferior gdb gets to its prompt.
 357         sleep 1
 358     } else {
 359         set test "xgdb is at prompt"
 360         gdb_test_multiple "continue" $test {
 361             -i "$inferior_spawn_id"
 362             -re "GNU gdb \[0-9\.\]*.*Copyright \\(C\\) \[0-9\]* Free Software Foundation, Inc.*License GPLv3\\+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.*This is free software: you are free to change and redistribute it.*There is NO WARRANTY, to the extent permitted by law.  Type \"show copying\".*and \"show warranty\" for details.*This GDB was configured as .*$gdb_prompt $" {
 363                 pass $test
 364             }
 365         }
 366
 367         # set xgdb prompt so we can tell which is which
 368         send_inferior "set prompt (xgdb) \n"
 369         set msg "Set xgdb_prompt"
 370         gdb_test_multiple "" $msg {
 371             -i "$inferior_spawn_id"
 372             -re "\[(\]xgdb\[)\].*\[(\]xgdb\[)\] $" {
 373                 pass $msg
 374             }
 375         }
 376     }
 377
 378     # kill the xgdb process
 379     if ![target_info exists gdb,nointerrupts] {
 380         set description "send ^C to child process"
 381         send_gdb "\003"
 382         # "Thread 1" is displayed iff Guile support is linked in.
 383         gdb_expect {
 384             -re "(Thread .*|Program) received signal SIGINT.*$gdb_prompt $" {
 385                 pass "$description"
 386             }
 387             -re ".*$gdb_prompt $" {
 388                 fail "$description"
 389             }
 390             timeout {
 391                 fail "$description (timeout)"
 392             }
 393         }
 394     }
 395
 396     set description "send SIGINT signal to child process"
 397     gdb_test "signal SIGINT" \
 398         "Continuing with signal SIGINT.*" \
 399         "$description"
 400
 401     # Switch back to the GDB thread if Guile support is linked in.
 402     # "signal SIGINT" could also switch the current thread.
 403     gdb_test "thread 1" {\[Switching to thread 1 .*\].*}
 404
 405     # get a stack trace
 406     #
 407     # This fails on some linux systems for unknown reasons.  On the
 408     # systems where it fails, sometimes it works fine when run manually.
 409     # The testsuite failures may not be limited to just aout systems.
 410     setup_xfail "i*86-pc-linuxaout-gnu"
 411     set description "backtrace through signal handler"
 412     gdb_test_multiple "backtrace" "$description" {
 413         -re "#0.*(read|poll).*in main \\(.*\\) at .*gdb\\.c.*$gdb_prompt $" {
 414             pass "$description"
 415         }
 416     }
 417
 418     # Restart gdb in case next test expects it to be started already.
 419     return 0
 420 }
 421
 422 do_self_tests captured_main test_with_self