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-dejagnu@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 $GDB\n"
 101             }
 102             }
 103         -re "has no symbol-table.*$prompt $" {
 104             error "$arg wasn't compiled with \"-g\""
 105             return -1
 106         }
 107         -re "A program is being debugged already..*Kill it\? \(y or n\) $" {
 108             send "y\n"
 109                 if $verbose>1 then {
 110                     send_user "\t\tKilling previous program being debugged\n"
 111                 }
 112             continue -expect
 113         }
 114         -re "Load new symbol table from.*\? \(y or n\) $" {
 115             send "y\n"
 116             expect {
 117                 -re "Reading symbols from.*done.*$prompt $" {
 118                     if $verbose>1 then {
 119                     send_user "\t\tLoaded $arg with new symbol table into $GDB\n"
 120                 }
 121                     return 0
 122                 }
 123                 timeout {
 124                     error "(timeout) Couldn't load $arg, other program already loaded."
 125                     return -1
 126                 }
 127             }
 128                 }
 129         -re ".*No such file or directory.*$prompt $" {
 130             error "($arg) No such file or directory\n"
 131             return -1
 132         }
 133         -re "$prompt $" {
 134             error "couldn't load $arg into $GDB."
 135             return -1
 136             }
 137         timeout {
 138             error "couldn't load $arg into $GDB (timed out)."
 139             return -1
 140         }
 141     }
 142 }
 143
 144 #
 145 # gdb_exit -- kills the gdb process currently running
 146 #
 147 proc gdb_exit {} {
 148     global verbose
 149     global GDB
 150     global GDBFLAGS
 151     set timeout 1
 152
 153     if $verbose>1 then {
 154         send_user "Quitting $GDB $GDBFLAGS\n"
 155     }
 156     catch "send \"quit\n\"" result
 157     if [string match "write\(spawn_id=\[0-9\]+\):" $result] then {
 158         catch "close"
 159         return -1
 160     }
 161     catch {
 162     expect {
 163         eof                 {
 164             if $verbose>1 then {
 165                 send_user "Got EOF from $GDB\n"
 166             }
 167         }
 168         timeout             {
 169             if $verbose>1 then {
 170                 send_user "Got TIMEOUT from $GDB\n"
 171             }
 172             close
 173         }
 174             -re "The program is running.  Quit anyway? (y or n) $" {
 175                 send "y\n"
 176                 if $verbose>1 then {
 177                     send_user "\t\tKilling program being debugged\n"
 178                 }
 179                 close
 180             }
 181     }
 182     }
 183     catch "close"
 184
 185     if $verbose>1 then {
 186         send_user "Quitting $GDB $GDBFLAGS\n"
 187     }
 188 }
 189
 190 #
 191 # start gdb -- start gdb running
 192 #
 193
 194 proc gdb_start {} {
 195     global verbose
 196     global GDB
 197     global GDBFLAGS
 198     global prompt
 199     global spawn_id
 200     global timeout
 201     if $verbose>1 then {
 202         send_user "Spawning $GDB $GDBFLAGS\n"
 203     }
 204
 205     set oldtimeout $timeout
 206     set timeout [expr "$timeout + 60"]
 207     if [ llength $GDBFLAGS ] then {
 208         if {[which $GDB] != 0} then {
 209         spawn $GDB $GDBFLAGS
 210     } else {
 211             error "$GDB does not exist."
 212             exit 1
 213         }
 214     } else {
 215         IF {[WHICH $GDB] != 0} then {
 216         spawn $GDB
 217         } else {
 218             error "$GDB does not exist."
 219             exit 1
 220         }
 221     }
 222     expect {
 223         -re ".*$prompt $"       {
 224             if $verbose>1 then {
 225                 send_user "GDB initialized for native mode\n"
 226         }
 227     }
 228         -re "$prompt $" {
 229             error "GDB never initialized."
 230             return -1
 231         }
 232         timeout         {
 233             error "(timeout) GDB never initialized."
 234             return -1
 235         }
 236     }
 237     set timeout $oldtimeout
 238     # force the height to "unlimited", so no pagers get used
 239     send "set height 0\n"
 240     expect {
 241         -re ".*$prompt $" {
 242             if $verbose>2 then {
 243                 send_user "Seting height to 0.\n"
 244             }
 245         }
 246         timeout {
 247             warning "Couldn't set the height to 0."
 248         }
 249     }
 250     # force the width to "unlimited", so no wraparound occurs
 251     send "set width 0\n"
 252     expect {
 253         -re ".*$prompt $" {
 254             if $verbose>2 then {
 255                 send_user "Seting width to 0.\n"
 256 }
 257         }
 258         timeout {
 259             warning "Couldn't set the width to 0."
 260 }
 261     }
 262 }
 263
 264 # These only need to be uncommented for debugging test cases. They exist
 265 # mainly to catch programming errors
 266 #expect_after {
 267 #    "<return>"            { send "\n"; error "Window too small." }
 268 #    -re "\(y or n\) "     { send "n\n"; error "Got interactive prompt." }
 269 #    buffer_full                   { error "internal buffer is full." }
 270 #    eof                           { error "eof -- there is no child process" ; alldone}
 271 #    timeout                       { error "timeout." }
 272 #    "virtual memory exhausted" { error "virtual memory exhausted." }
 273 #    "Undefined command"           { error "send string probably wrong." }
 274 #}
 275
 276 load_lib gdb.exp
 277
 278 set binpath /s1/users/rob/vxworks/bin/somewhere-bogus-that-needs-configuring
 279 set bin $GDB
 280
 281 gdb_start
 282
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