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# Copyright (C) 1988, 1990, 1991, 1992 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
# This file was written by Rob Savoye. (rob@cygnus.com)
load_lib gdb.exp
# variables that need to set up
#
if ![info exists prompt] then {
set prompt "\[(\]gdb\[)\]"
}
# some convenience abbreviations
#
if ![info exists hex] then {
set hex "0x\[0-9A-Fa-f\]+"
}
if ![info exists decimal] then {
set decimal "\[0-9\]+"
}
#
# gdb_version -- extract and print the version number of gcc
#
proc gdb_version {} {
default_gdb_version
}
#
# gdb_unload -- unload a file if one is loaded
#
proc gdb_unload {} {
global verbose
global GDB
global prompt
send "file\n"
expect {
-re "No exec file now\.\r" { continue -expect }
-re "No symbol file now\.\r" { continue -expect }
-re "A program is being debugged already..*Kill it\? \(y or n\) $"\
{ send "y\n"
if $verbose>1 then {
send_user "\t\tKilling previous program being debugged\n"
}
continue -expect
}
-re "Discard symbol table from .*\? \(y or n\) $" {
send "y\n"
continue -expect
}
-re "$prompt $" {}
timeout {
perror "Couldn't unload file in $GDB (timed out)."
return -1
}
}
}
#
# gdb_load -- load a file into the debugger.
# return a -1 if anything goes wrong.
#
proc gdb_load { arg } {
global verbose
global loadpath
global loadfile
global GDB
global prompt
return [gdb_file_cmd $arg]
}
#
# start gdb -- start gdb running
#
proc gdb_start {} {
global verbose
global GDB
global GDBFLAGS
global prompt
global spawn_id
global timeout
verbose "Spawning $GDB $GDBFLAGS"
set oldtimeout $timeout
set timeout [expr "$timeout + 60"]
if [ llength $GDBFLAGS ] then {
if {[which $GDB] != 0} then {
spawn $GDB $GDBFLAGS
} else {
perror "$GDB does not exist."
exit 1
}
} else {
if {[which $GDB] != 0} then {
spawn $GDB
} else {
perror "$GDB does not exist."
exit 1
}
}
expect {
-re ".*\r\n$prompt $" {
verbose "GDB initialized for native mode"
}
-re "$prompt $" {
perror "GDB never initialized."
return -1
}
timeout {
perror "(timeout) GDB never initialized."
return -1
}
}
set timeout $oldtimeout
# force the height to "unlimited", so no pagers get used
send "set height 0\n"
expect {
-re ".*$prompt $" {
verbose "Setting height to 0." 2
}
timeout {
warning "Couldn't set the height to 0."
}
}
# force the width to "unlimited", so no wraparound occurs
send "set width 0\n"
expect {
-re ".*$prompt $" {
verbose "Seting width to 0." 2
}
timeout {
warning "Couldn't set the width to 0."
}
}
}
proc gdb_exit { } {
catch default_gdb_exit
}
set binpath /s1/users/rob/vxworks/bin/somewhere-bogus-that-needs-configuring
set bin $GDB
gdb_start
|
