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 # start gdb -- start gdb running
 154 #
 155
 156 proc gdb_start {} {
 157     global verbose
 158     global GDB
 159     global GDBFLAGS
 160     global prompt
 161     global spawn_id
 162     global timeout
 163     if $verbose>1 then {
 164         send_user "Spawning $GDB $GDBFLAGS\n"
 165     }
 166
 167     set oldtimeout $timeout
 168     set timeout [expr "$timeout + 60"]
 169     if [ llength $GDBFLAGS ] then {
 170         if {[which $GDB] != 0} then {
 171         spawn $GDB $GDBFLAGS
 172     } else {
 173             error "$GDB does not exist."
 174             exit 1
 175         }
 176     } else {
 177         if {[which $GDB] != 0} then {
 178         spawn $GDB
 179         } else {
 180             error "$GDB does not exist."
 181             exit 1
 182         }
 183     }
 184     expect {
 185         -re ".*$prompt $"       {
 186             if $verbose>1 then {
 187                 send_user "GDB initialized for native mode\n"
 188         }
 189     }
 190         -re "$prompt $" {
 191             error "GDB never initialized."
 192             return -1
 193         }
 194         timeout         {
 195             error "(timeout) GDB never initialized."
 196             return -1
 197         }
 198     }
 199     set timeout $oldtimeout
 200     # force the height to "unlimited", so no pagers get used
 201     send "set height 0\n"
 202     expect {
 203         -re ".*$prompt $" {
 204             if $verbose>2 then {
 205                 send_user "Seting height to 0.\n"
 206             }
 207         }
 208         timeout {
 209             warning "Couldn't set the height to 0."
 210         }
 211     }
 212     # force the width to "unlimited", so no wraparound occurs
 213     send "set width 0\n"
 214     expect {
 215         -re ".*$prompt $" {
 216             if $verbose>2 then {
 217                 send_user "Seting width to 0.\n"
 218 }
 219         }
 220         timeout {
 221             warning "Couldn't set the width to 0."
 222 }
 223     }
 224 }
 225
 226 # These only need to be uncommented for debugging test cases. They exist
 227 # mainly to catch programming errors
 228 #expect_after {
 229 #    "<return>"            { send "\n"; error "Window too small." }
 230 #    -re "\(y or n\) "     { send "n\n"; error "Got interactive prompt." }
 231 #    buffer_full                   { error "internal buffer is full." }
 232 #    eof                           { error "eof -- there is no child process" ; cleanup ; exit $exit_status}
 233 #    timeout                       { error "timeout." }
 234 #    "virtual memory exhausted" { error "virtual memory exhausted." }
 235 #    "Undefined command"           { error "send string probably wrong." }
 236 #}
 237
 238 load_lib gdb.exp
 239
 240 set binpath /s1/users/rob/vxworks/bin/somewhere-bogus-that-needs-configuring
 241 set bin $GDB
 242
 243 gdb_start
 244
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