gdb/testsuite/config/unix-gdb.exp

   1 #   Copyright (C) 1988, 1990, 1991, 1992 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 2 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, write to the Free Software
  15 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file was written by Rob Savoye. (rob@cygnus.com)
  21
  22 # variables that need to set up
  23 #
  24 if ![info exists prompt] then {
  25     set prompt "\(gdb\)"
  26 }
  27 # some convenience abbreviations
  28 #
  29 if ![info exists hex] then {
  30     set hex "0x\[0-9A-Fa-f\]+"
  31 }
  32 if ![info exists decimal] then {
  33     set decimal "\[0-9\]+"
  34 }
  35
  36 #
  37 # gdb_version -- extract and print the version number of gcc
  38 #
  39 proc gdb_version {} {
  40     global GDB
  41     global GDBFLAGS
  42     if {[which $GDB] != 0} then {
  43     set tmp [exec echo "q" | $GDB]
  44         set version "[lindex $tmp [lsearch $tmp "\[0-9\]*"]]"
  45         set version "[string range $version 0 [expr [string length $version]-2]]"
  46     clone_output "[which $GDB] version $version $GDBFLAGS\n"
  47     } else {
  48         warning "$GDB does not exist"
  49 }
  50 }
  51
  52 #
  53 # gdb_unload -- unload a file if one is loaded
  54 #
  55
  56 proc gdb_unload {} {
  57     global verbose
  58     global GDB
  59     global prompt
  60     send "file\n"
  61     expect {
  62         -re "No exec file now\.\r" { continue -expect }
  63         -re "No symbol file now\.\r" { continue -expect }
  64         -re "A program is being debugged already..*Kill it\? \(y or n\) $"\
  65             { send "y\n"
  66                 if $verbose>1 then {
  67                     send_user "\t\tKilling previous program being debugged\n"
  68                 }
  69             continue -expect
  70         }
  71         -re "Discard symbol table from .*\? \(y or n\) $" {
  72             send "y\n"
  73             continue -expect
  74         }
  75         -re "$prompt $" {}
  76         timeout {
  77             error "Couldn't unload file in $GDB (timed out)."
  78             return -1
  79         }
  80     }
  81 }
  82
  83 #
  84 # gdb_load -- load a file into the debugger.
  85 #             return a -1 if anything goes wrong.
  86 #
  87 proc gdb_load { arg } {
  88     global verbose
  89     global loadpath
  90     global loadfile
  91     global GDB
  92     global prompt
  93
  94     set loadfile [file tail $arg]
  95     set loadpath [file dirname $arg]
  96     send "file $arg\n"
  97     expect {
  98         -re "Reading symbols from.*done.*$prompt $" {
  99             if $verbose>1 then {
 100                 send_user "\t\tLoaded $arg into the $GDB\n"
 101             }
 102             return 0
 103         }
 104         -re "has no symbol-table.*$prompt $" {
 105             error "$arg wasn't compiled with \"-g\""
 106             return -1
 107         }
 108         -re "A program is being debugged already..*Kill it\? \(y or n\) $" {
 109             send "y\n"
 110                 if $verbose>1 then {
 111                     send_user "\t\tKilling previous program being debugged\n"
 112                 }
 113             continue -expect
 114         }
 115         -re "Load new symbol table from.*\? \(y or n\) $" {
 116             send "y\n"
 117             expect {
 118                 -re "Reading symbols from.*done.*$prompt $" {
 119                     if $verbose>1 then {
 120                     send_user "\t\tLoaded $arg with new symbol table into $GDB\n"
 121                 }
 122                     return 0
 123                 }
 124                 timeout {
 125                     error "(timeout) Couldn't load $arg, other program already loaded."
 126                     return -1
 127                 }
 128             }
 129                 }
 130         -re ".*No such file or directory.*$prompt $" {
 131             error "($arg) No such file or directory\n"
 132             return -1
 133         }
 134         -re "$prompt $" {
 135             error "couldn't load $arg into $GDB."
 136             return -1
 137             }
 138         timeout {
 139             error "couldn't load $arg into $GDB (timed out)."
 140             return -1
 141         }
 142         eof {
 143             # This is an attempt to detect a core dump, but seems not to
 144             # work.  Perhaps we need to match .* followed by eof, in which
 145             # expect does not seem to have a way to do that.
 146             error "couldn't load $arg into $GDB (end of file)."
 147             return -1
 148         }
 149     }
 150 }
 151
 152 #
 153 # gdb_exit -- kills the gdb process currently running
 154 #
 155 # This overrides the generic version of gdb_exit in lib/gdb.exp, since
 156 # it's doing a lot of wierd stuff that lib/gdb.exp isn't.
 157 # FIXME, fold it in, or abandon this version.
 158
 159 proc gdb_exit {} {
 160     global verbose
 161     global GDB
 162     global GDBFLAGS
 163     set timeout 1
 164
 165     if $verbose>1 then {
 166         send_user "Quitting $GDB $GDBFLAGS\n"
 167     }
 168     catch "send \"quit\n\"" result
 169     if [string match "write\(spawn_id=\[0-9\]+\):" $result] then {
 170         catch "close"
 171         return -1
 172     }
 173     catch {
 174     expect {
 175         eof                 {
 176             if $verbose>1 then {
 177                 send_user "Got EOF from $GDB\n"
 178             }
 179         }
 180         timeout             {
 181             if $verbose>1 then {
 182                 send_user "Got TIMEOUT from $GDB\n"
 183             }
 184             close
 185         }
 186             -re "The program is running.  Quit anyway.*? (y or n) $" {
 187                 send "y\n"
 188                 if $verbose>1 then {
 189                     send_user "\t\tKilling program being debugged\n"
 190                 }
 191                 close
 192             }
 193     }
 194     }
 195     catch "close"
 196     # Before this was here sometimes "uit" would get sent to the next GDB
 197     # (assuming this is immediately followed by gdb_start), which would
 198     # cause a loss of syncronization (i.e. all the stuff that swallows a
 199     # prompt would swallow the wrong one).
 200     wait
 201
 202     if $verbose>1 then {
 203         send_user "Quitting $GDB $GDBFLAGS\n"
 204     }
 205 }
 206
 207 #
 208 # start gdb -- start gdb running
 209 #
 210
 211 proc gdb_start {} {
 212     global verbose
 213     global GDB
 214     global GDBFLAGS
 215     global prompt
 216     global spawn_id
 217     global timeout
 218     if $verbose>1 then {
 219         send_user "Spawning $GDB $GDBFLAGS\n"
 220     }
 221
 222     set oldtimeout $timeout
 223     set timeout [expr "$timeout + 60"]
 224     if [ llength $GDBFLAGS ] then {
 225         if {[which $GDB] != 0} then {
 226         spawn $GDB $GDBFLAGS
 227     } else {
 228             error "$GDB does not exist."
 229             exit 1
 230         }
 231     } else {
 232         IF {[WHICH $GDB] != 0} then {
 233         spawn $GDB
 234         } else {
 235             error "$GDB does not exist."
 236             exit 1
 237         }
 238     }
 239     expect {
 240         -re ".*$prompt $"       {
 241             if $verbose>1 then {
 242                 send_user "GDB initialized for native mode\n"
 243         }
 244     }
 245         -re "$prompt $" {
 246             error "GDB never initialized."
 247             return -1
 248         }
 249         timeout         {
 250             error "(timeout) GDB never initialized."
 251             return -1
 252         }
 253     }
 254     set timeout $oldtimeout
 255     # force the height to "unlimited", so no pagers get used
 256     send "set height 0\n"
 257     expect {
 258         -re ".*$prompt $" {
 259             if $verbose>2 then {
 260                 send_user "Seting height to 0.\n"
 261             }
 262         }
 263         timeout {
 264             warning "Couldn't set the height to 0."
 265         }
 266     }
 267     # force the width to "unlimited", so no wraparound occurs
 268     send "set width 0\n"
 269     expect {
 270         -re ".*$prompt $" {
 271             if $verbose>2 then {
 272                 send_user "Seting width to 0.\n"
 273 }
 274         }
 275         timeout {
 276             warning "Couldn't set the width to 0."
 277 }
 278     }
 279 }
 280
 281 # These only need to be uncommented for debugging test cases. They exist
 282 # mainly to catch programming errors
 283 #expect_after {
 284 #    "<return>"            { send "\n"; error "Window too small." }
 285 #    -re "\(y or n\) "     { send "n\n"; error "Got interactive prompt." }
 286 #    buffer_full                   { error "internal buffer is full." }
 287 #    eof                           { error "eof -- there is no child process" ; cleanup ; exit $exit_status}
 288 #    timeout                       { error "timeout." }
 289 #    "virtual memory exhausted" { error "virtual memory exhausted." }
 290 #    "Undefined command"           { error "send string probably wrong." }
 291 #}
 292
 293 load_lib gdb.exp
 294
 295 set binpath /s1/users/rob/vxworks/bin/somewhere-bogus-that-needs-configuring
 296 set bin $GDB
 297
 298 gdb_start
 299
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