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 # DejaGnu@cygnus.com
  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     set tmp [exec echo "q" | $GDB]
  43     set version [lindex $tmp [lsearch $tmp "\[0-9\]*"]]
  44     set version [string range $version 0 [expr [string length $version]-2]]
  45     clone_output "[which $GDB] version $version $GDBFLAGS\n"
  46 }
  47
  48 #
  49 # gdb_unload -- unload a file if one is loaded
  50 #
  51
  52 proc gdb_unload {} {
  53     global verbose
  54     global GDB
  55     global prompt
  56     send "file\n"
  57     expect {
  58         -re "No exec file now\.\r" { continue -expect }
  59         -re "No symbol file now\.\r" { continue -expect }
  60         -re "A program is being debugged already..*Kill it\? \(y or n\) $"\
  61             { send "y\n"
  62                 if $verbose>1 then {
  63                     send_user "\t\tKilling previous program being debugged\n"
  64                 }
  65             continue -expect
  66         }
  67         -re "Discard symbol table from .*\? \(y or n\) $" {
  68             send "y\n"
  69             continue -expect
  70         }
  71         -re "$prompt $" {}
  72         timeout {
  73             error "Couldn't unload file in $GDB (timed out)."
  74             return -1
  75         }
  76     }
  77 }
  78
  79 #
  80 # gdb_load -- load a file into the debugger.
  81 #             return a -1 if anything goes wrong.
  82 #
  83 proc gdb_load { arg } {
  84     global verbose
  85     global loadpath
  86     global loadfile
  87     global GDB
  88     global prompt
  89
  90     set loadfile [file tail $arg]
  91     set loadpath [file dirname $arg]
  92     send "file $arg\n"
  93     expect {
  94         -re "Reading symbols from.*done.*$prompt $"\
  95             { if $verbose>1 then {
  96                 send_user "\t\tLoaded $arg into the $GDB\n"
  97             }
  98             }
  99         -re "has no symbol-table.*$prompt $" {
 100             error "$arg wasn't compiled with \"-g\"\n"
 101             return -1
 102         }
 103         -re "A program is being debugged already..*Kill it\? \(y or n\) $"\
 104             { send "y\n"
 105                 if $verbose>1 then {
 106                     send_user "\t\tKilling previous program being debugged\n"
 107                 }
 108             continue -expect
 109         }
 110         -re "Load new symbol table from.*\? \(y or n\) $"\
 111           { send "y\n"
 112             expect {
 113                 -re "Reading symbols from.*done.*$prompt $"
 114                 { if $verbose>1 then {
 115                     send_user "\t\tLoaded $arg with new symbol table into $GDB\n"
 116                 }
 117                 }
 118                 timeout         { error "(timeout) Couldn't load $arg, other program already loaded."; return -1 }
 119             }
 120         }
 121         -re ".*No such file or directory.*$prompt $"\
 122             { error "($arg) No such file or directory\n"; return -1 }
 123         -re "$prompt $" { error "couldn't load $arg into $GDB."; return -1 }
 124         timeout         { error "couldn't load $arg into $GDB (timed out)."; return -1 }
 125     }
 126 }
 127
 128 #
 129 # gdb_exit -- kills the gdb process currently running
 130 #
 131 proc gdb_exit {} {
 132     global verbose
 133     global GDB
 134     global GDBFLAGS
 135     set timeout 1
 136
 137     if $verbose>1 then {
 138         send_user "Quitting $GDB $GDBFLAGS\n"
 139     }
 140     catch "send \"quit\n\"" result
 141     if [string match "write\(spawn_id=\[0-9\]+\): Bad file number" $result] then {
 142         catch "close"
 143         return 0
 144     }
 145     expect {
 146         eof                 {
 147             if $verbose>1 then {
 148                 send_user "Got EOF from $GDB\n"
 149             }
 150         }
 151         timeout             {
 152             if $verbose>1 then {
 153                 send_user "Got TIMEOUT from $GDB\n"
 154             }
 155             close
 156         }
 157         -re "The program is running.  Quit anyway? (y or n) $"\
 158             { send "y\n"
 159                 if $verbose>1 then {
 160                     send_user "\t\tKilling program being debugged\n"
 161                 }
 162                 close
 163             }
 164     }
 165     catch "close"
 166
 167     if $verbose>1 then {
 168         send_user "Quitting $GDB $GDBFLAGS\n"
 169     }
 170 }
 171
 172 #
 173 # start gdb -- start gdb running
 174 #
 175
 176 proc gdb_start {} {
 177     global verbose
 178     global GDB
 179     global GDBFLAGS
 180     global prompt
 181     global spawn_id
 182     global timeout
 183     if $verbose>1 then {
 184         send_user "Spawning $GDB $GDBFLAGS\n"
 185     }
 186
 187     set oldtimeout $timeout
 188     set timeout [expr "$timeout + 60"]
 189     if [ llength $GDBFLAGS ] then {
 190         spawn $GDB $GDBFLAGS
 191     } else {
 192         spawn $GDB
 193     }
 194     expect {
 195         -re ".*$prompt $"       { if $verbose>1 then {
 196             send_user "GDB initialized for native mode\n" }
 197         }
 198         -re "$prompt $" { error "GDB never initialized."; return -1 }
 199         timeout         { error "(timeout) GDB never initialized."; return -1 }
 200     }
 201     set timeout $oldtimeout
 202     # force the height to "unlimited", so no pagers get used
 203     send "set height 0\n"
 204     expect -re ".*$prompt $" {}
 205     # force the width to "unlimited", so no wraparound occurs
 206     send "set width 0\n"
 207     expect -re ".*$prompt $" {}
 208 }
 209
 210 expect_after {
 211     "<return>"             { send "\n"; error "Window too small." }
 212     -re "\(y or n\) "      { send "n\n"; error "Got interactive prompt." }
 213     buffer_full            { error "internal buffer is full." }
 214     eof                    { error "eof -- pty is hosed." }
 215     timeout                        { error "timeout." }
 216     "virtual memory exhausted" { error "virtual memory exhausted." }
 217     "Undefined command"    { error "send string probably wrong." }
 218 }
 219
 220 load_lib gdb.exp
 221
 222 set binpath /s1/users/rob/vxworks/bin/somewhere-bogus-that-needs-configuring
 223 set bin $GDB
 224
 225 gdb_start
 226