Re: [testsuite] Contribution to testsuite/config

[Fernando Nasser <fnasser at cygnus dot com>]

Ben Elliston wrote:
> 
> Attached is a copy of `sid.exp' -- a config file for DejaGNU to permit
> GDB testing on simulators in the SID framework.  Okay to commit?
> 

Sure thanks.

Fernando

> 2001-01-16  Ben Elliston  <bje@redhat.com>
> 
>         * config/sid.exp: New file.
> 
> # Test Framework Driver for GDB driving an external simulator
> #   Copyright 1999 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
> 
> load_lib gdb.exp
> 
> proc sid_start {} {
>     global sid_spawn_id
>     global verbose
> 
>     set port [lindex [split [target_info netport] ":"] 1]
> 
>     # Set a default endianness
>     case [target_info multilib_flags] in {
>         { *big-endian* *-EB* *-meb* } { set sidendian "-EB" }
>         { *little-endian* *-EL* *-mel* } { set sidendian "-EL" }
>         default {
>             if {[target_info exists sim,defaultendian]} then {
>                 set sidendian [target_info sim,defaultendian]
>             } else {
>                 warning "Unknown target endianness - assuming -EB"
>                 set sidendian "-EB"
>             }
>         }
>     }
>     # set verbosity conditionally
>     if {$verbose > 0} then { set sidverbose "--verbose" } else { set sidverbose "" }
> 
>     # test to see whether to use use sid in build or install tree
>     set use_build_tree [file exists ../../sid]
> 
>     if {$use_build_tree} then {
>         set pre_spawn {
>             global env
>             set env(SID_LIBRARY_PATH) [join [glob "../../sid/component/*"] ":"]
>             set env(SID) "../../sid/main/dynamic/sid"
>             set env(MKSID) "../../sid/main/static/mksid"
>             if {! [file exists $env(SID)]} then { error "Cannot find sid in build tree" }
>         }
>         set spawncmd "../../sid/bsp/[target_info sim] $sidverbose $sidendian --persistent --gdb=$port [target_info sim,options]"
>         set post_spawn {
>             global env
>             unset env(SID_LIBRARY_PATH)
>             unset env(MKSID)
>             unset env(SID)
>         }
>     } else {
>         set pre_spawn {}
>         set spawncmd "[target_info sim] $sidverbose $sidendian --persistent --gdb=$port [target_info sim,options]"
>         set post_spawn {}
>     }
> 
>     eval $pre_spawn
>     if {[catch "spawn $spawncmd" msg]} {
>         perror $msg
>         exit 1
>     }
>     eval $post_spawn
> 
>     expect_background {
>         -re \[^\n\]*\n {
>             regsub "\n" $expect_out(buffer) {} msg
>             verbose "SID: $msg" 2
>         }
>     }
> 
>     # There should be no need to sleep to give SID time to start;
>     # GDB would wait for a fair while for the stub to respond.
>     sleep 4
> 
>     set sid_spawn_id $spawn_id
> }
> 
> #
> # Handle GDB talking to SID
> #
> 
> proc gdb_start {} {
>     sid_start
>     return [default_gdb_start]
> }
> 
> proc sid_exit {} {
>     global sid_spawn_id
>     if {[info exists sid_spawn_id]} {
>         catch {exec kill [exp_pid -i $sid_spawn_id]}
>         catch {wait -i $sid_spawn_id}
>         unset sid_spawn_id
>         sleep 4
>     }
> }
> 
> proc gdb_exit {} {
>     set result [default_gdb_exit]
>     sid_exit
>     return $result
> }
> 
> #
> # gdb_target_sid
> # Set gdb to target the simulator
> #
> proc send_target_sid { } {
>     # wait a little while, giving sid time to shut down & restart its
>     # gdb socket
>     sleep 4
>     send_gdb "target [target_info gdb_protocol] [target_info netport]\n"
> }
> 
> proc gdb_target_sid { } {
>     global gdb_prompt
>     global exit_status
> 
>     send_target_sid
> 
>     global timeout
>     set prev_timeout $timeout
>     set timeout 60
>     verbose "Timeout is now $timeout seconds" 2
>     gdb_expect {
>         -re "Remote debugging using.*$gdb_prompt"       {
>             verbose "Set target to sid"
>         }
>         timeout {
>             perror "Couldn't set target for remote simulator."
>             cleanup
>             exit $exit_status
>         }
>     }
>     set timeout $prev_timeout
>     verbose "Timeout is now $timeout seconds" 2
> }
> 
> #
> # 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 gdb_prompt
> 
>     gdb_unload
>     if [gdb_file_cmd $arg] then { return -1 }
>     gdb_target_sid
> 
>     send_gdb "load\n"
>     global timeout
>     set prev_timeout $timeout
>     set timeout 2400
>     verbose "Timeout is now $timeout seconds" 2
>     gdb_expect {
>         -re ".*$gdb_prompt $" {
>             if $verbose>1 then {
>                 send_user "Loaded $arg into $GDB\n"
>             }
>             set timeout 30
>             verbose "Timeout is now $timeout seconds" 2
>             return 1
>         }
>         -re "$gdb_prompt $"     {
>             if $verbose>1 then {
>                 perror "GDB couldn't load."
>             }
>         }
>         timeout {
>             if $verbose>1 then {
>                 perror "Timed out trying to load $arg."
>             }
>         }
>     }
>     set timeout $prev_timeout
> }

-- 
Fernando Nasser
Red Hat - Toronto                       E-Mail:  fnasser@redhat.com
2323 Yonge Street, Suite #300
Toronto, Ontario   M4P 2C9