301 lines
7.4 KiB
Text
301 lines
7.4 KiB
Text
# Copyright (C) 1988, 1990, 1991, 1992 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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# Please email any bugs, comments, and/or additions to this file to:
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# DejaGnu@cygnus.com
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# This file was written by Rob Savoye. (rob@cygnus.com)
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#
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# load support libraries
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#
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load_lib remote.exp
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set shell_prompt "->"
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# these need to be initialized only if site.exp doesn't set them
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if ![info exists prompt] then {
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set prompt "\(vxgdb\)"
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}
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#
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# gdb_version -- extract and print the version number of gcc
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#
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proc gdb_version {} {
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global GDB
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global GDBFLAGS
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global prompt
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set tmp [exec echo "q" | $GDB]
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set version [lindex $tmp [lsearch $tmp "\[0-9\]*"]]
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set version [string range $version 0 [expr [string length $version]-2]]
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clone_output "[which $GDB] version $version $GDBFLAGS\n"
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}
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#
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# gdb_load -- load a file into the debugger.
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# We have to stop and start gdb each time we do this, because when
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# vxgdb loads two files in a row, the symbols in the first file loaded
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# take precedence.
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#
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proc gdb_load { arg } {
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global shell_id
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global verbose
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global loadpath
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global loadfile
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global base_dir
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global prompt
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global GDB
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quit_vxgdb
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spawn_vxgdb
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set loadfile [file tail $arg]
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set loadpath [file dirname $arg]
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send -i $shell_id cd \"$base_dir\"\n
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expect {
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-i $shell_id "value = 0 = 0x0" {
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if $verbose>1 then {
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send_user "VxWorks changed directory to $base_dir\n"
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}
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}
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timeout { error "Couldn't load $arg into $GDB."; return }
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}
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send "load $arg\n"
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# Use a very generous timeout because we might be loading across
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# the Internet.
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set timeout 600
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expect {
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-re "load.*done.*$prompt $" {
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if $verbose>1 then {
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send_user "Loaded $arg\n"
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}
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}
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-i $shell_id "Login incorrect." {
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error "Login is incorrect."; set timeout 10; return
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}
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-re "Load failed on target machine.*$prompt $" {
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error "Couldn't load $arg."; set timeout 10; return
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}
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-re "No such file or directory.*$prompt $" {
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error "$arg doesn't exist."; set timeout 10; return
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}
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-re ".*Reading symbols.*done..*$prompt $" {
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if $verbose>1 then {
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send_user "Loaded $arg\n"
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}
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}
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-re "$prompt $" {
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error "Couldn't load $arg."; set timeout 10; return
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}
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timeout {
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error "(timeout) couldn't load $arg.";
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set timeout 10
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return
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}
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}
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set timeout 10
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}
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#
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#
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#
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proc gdb_exit {} {
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global shell_id
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exit_remote_shell $shell_id
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quit_vxgdb
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}
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proc quit_vxgdb { } {
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global GDB
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global GDBFLAGS
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global verbose
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set timeout 1
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send "quit\n"
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expect {
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eof {
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if $verbose>1 then {
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send_user "Got EOF from $GDB\n"
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}
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}
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timeout {
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if $verbose>1 then {
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send_user "Got TIMEOUT from $GDB\n"
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}
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}
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-re "The program is running. Quit anyway.*? (y or n) $"\
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{ send "y\n"
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if $verbose>1 then {
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send_user "\t\tKilling program being debugged\n"
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}
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}
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}
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if $verbose>1 then {
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send_user "Quitting $GDB $GDBFLAGS\n"
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}
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}
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#
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# gdb_start -- start gdb running and
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#
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proc gdb_start { } {
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global GDB
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global GDBFLAGS
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global spawn_id
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global prompt
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global verbose
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global targetname
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global connectmode
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global reboot
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global shell_id
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# get a connection to the board
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set shell_id [ eval $connectmode "$targetname" ]
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if $shell_id<0 then {
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error "Couldn't connect to $targetname."
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return -1
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}
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# reboot vxworks to get a clean start
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if $reboot then {
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send_user "Rebooting VxWorks, Please wait...\n"
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send -i $shell_id "\CX"
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set timeout 120
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expect {
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-i $shell_id -re "Connection closed.*$" {
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if $verbose>2 then {
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send_user "\nVxWorks has closed the shell\n"
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}
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}
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eof { error "(eof) never disconnected from VxWorks shell."; return -1 }
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timeout { error "(timeout) never disconnected from VxWorks shell."; return -1 }
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}
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close -i $shell_id
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exec sleep 30
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set timeout 60
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set shell_id [ eval $connectmode "$targetname" ]
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if $shell_id<0 then {
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error "Couldn't connect to $targetname."
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}
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}
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set timeout 10
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# this is the non-interactive version of nfsAuthUnixPrompt
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#send -i $shell_id nfsAuthUnixSet ($vx_host, $vx_uid, $vx_gid, 0); \n
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#expect {
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# -i $shell_id "value = 0 = 0x0" {
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# if $verbose>1 then {
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# send_user "\nVxWorks set host=$vx_host, uid=$vx_uid, gid=$vx_gid\n"
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# }
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# }
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# timeout { error "couldn't set host=$vx_host, uid=$vx_uid, gid=$vx_gid\n"; return -1 }
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#}
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#send -i $shell_id cd \"$base_dir\"\n
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#expect {
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# -i $shell_id "value = 0 = 0x0" {
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# if $verbose>1 then {
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# send_user "VxWorks changed directory to $base_dir\n"
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# }
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# }
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# timeout { error "couldn't load $arg into $bin."; return -1 }
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#}
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spawn_vxgdb
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}
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proc spawn_vxgdb { } {
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global GDB
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global GDBFLAGS
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global spawn_id
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global prompt
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global verbose
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global targetname
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# start GDB
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if [ llength $GDBFLAGS ] then {
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spawn $GDB $GDBFLAGS
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} else {
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spawn $GDB
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}
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expect {
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-re ".*$prompt $" {
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if $verbose>1 then {
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send_user "$GDB initialized for cross mode to Vxworks\n\n"
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}
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}
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-re "$prompt $" { error "GDB never initialized."; return -1 }
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timeout { error "(timeout) GDB never initialized.";
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return -1 }
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}
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# force the height to "unlimited", so no pagers get used
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send "set height 0\n"
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expect -re ".*$prompt $" {}
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# force the width to "unlimited", so no wraparound occurs
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send "set width 0\n"
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expect -re ".*$prompt $" {}
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# set the default arguments to "main", so that "run" with no
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# arguments will work correctly.
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send "set args main\n"
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expect -re ".*$prompt $" {}
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if $verbose>1 then {
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send_user "Setting up target, Please wait...\n"
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}
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# set targets hostname
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send "target vxworks $targetname\n"
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set timeout 60
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expect {
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-re "Done\..*$prompt $" {
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if $verbose>1 then {
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send_user "Set target to $targetname\n"
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}
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}
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-re "net_connect: RPC: Program not registered.*$" {
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error "Couldn't set GDB to target $targetname."
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exit 1
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}
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timeout {
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error "Couldn't set target for vxworks."
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set timeout 10
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return -1
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}
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}
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set timeout 10
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}
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expect_after {
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"<return>" { send "\n"; error "Window too small." }
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-re "\(y or n\) " { send "n\n"; error "Got interactive prompt." }
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buffer_full { error "internal buffer is full." }
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eof { error "eof -- pty is hosed." }
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timeout { error "timeout." }
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"virtual memory exhausted" { error "virtual memory exhausted." }
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"Undefined command" { error "send string probably wrong." }
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}
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load_lib gdb.exp
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gdb_start
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# make sure gdb has actually started, otherwise if the first test
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# timesout, DejaGnu crashes
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send "\n"
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expect {
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-re "$prompt"
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}
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