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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [testsuite/] [config/] [sid.exp] - Blame information for rev 387

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Line No. Rev Author Line
1 227 jeremybenn 
# Test Framework Driver for GDB driving an external simulator
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#   Copyright 1999, 2001, 2007, 2008, 2009, 2010
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#   Free Software Foundation, Inc.
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#
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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 3 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, see .
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load_lib gdb.exp
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proc sid_start {} {
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    global verbose
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    set port [lindex [split [target_info netport] ":"] 1]
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    # Set a default endianness
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    case [target_info multilib_flags] in {
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        { *big-endian* *-EB* *-meb* } { set sidendian "-EB" }
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        { *little-endian* *-EL* *-mel* } { set sidendian "-EL" }
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        default {
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            if {[target_info exists sim,defaultendian]} then {
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                set sidendian [target_info sim,defaultendian]
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            } else {
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                # rely on endianness settings in sid configuration defaults
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                set sidendian ""
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            }
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        }
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    }
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    case $sidendian in {
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        { -EB } { set sidendian2 {-e "set cpu endian big"} }
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        { -EL } { set sidendian2 {-e "set cpu endian little"} }
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        default { set sidendian2 {} }
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    }
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    # test to see whether to use use sid in build or install tree
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    set use_build_tree [file exists ../../sid]
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    if {$use_build_tree} then {
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        set pre_spawn {
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            global env
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            set env(SID_LIBRARY_PATH) [join [glob "../../sid/component/*"] ":"]
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            set env(SID) "../../sid/main/dynamic/sid"
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            if {! [file exists $env(SID)]} then { error "Cannot find sid in build tree" }
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        }
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        if { [board_info target sim,protocol] == "sid" } {
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            set spawncmd "[target_info sim] [target_info sim,options] $sidendian2 -e \"set cpu-gdb-socket sockaddr-local 0.0.0.0:$port\""
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        } elseif { [board_info target sim,protocol] == "rawsid" } {
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            set spawncmd "[target_info sim] [target_info sim,options] -$sidendian --gdb=$port"
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        } else {
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            set spawncmd "../../sid/bsp/[target_info sim] $sidendian --gdb=$port [target_info sim,options]"
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        }
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        set post_spawn {
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            global env
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            unset env(SID_LIBRARY_PATH)
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            unset env(SID)
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        }
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    } else {
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        set pre_spawn {}
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        if { [board_info target sim,protocol] == "sid" } {
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            # FIXME: sim,options may be from the build tree, should find
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            # it in the install tree.
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            set spawncmd "sid [target_info sim,options] $sidendian2 -e \"set cpu-gdb-socket sockaddr-local 0.0.0.0:$port\""
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        } elseif { [board_info target sim,protocol] == "rawsid" } {
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            set spawncmd "[target_info sim] [target_info sim,options] -$sidendian --gdb=$port"
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        } else {
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            set spawncmd "[target_info sim] $sidendian --gdb=$port [target_info sim,options]"
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        }
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        set post_spawn {}
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    }
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    eval $pre_spawn
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    if {[catch [list remote_spawn host $spawncmd] msg]} {
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        perror $msg
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        exit 1
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    }
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    eval $post_spawn
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    # Don't do the following any more; it breaks with "runtest ... < /dev/null"
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#    expect_background {
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#       -re \[^\n\]*\n {
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#           regsub "\n" $expect_out(buffer) {} msg
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#           verbose "SID: $msg" 2
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#       }
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#    }
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    # There should be no need to sleep to give SID time to start;
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    # GDB would wait for a fair while for the stub to respond.
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    sleep 4
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    if ![target_info exists gdb,no_push_conn] {
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        remote_push_conn host;
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    }
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}
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#
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# Handle GDB talking to SID
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#
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proc gdb_start {} {
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    sid_start
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    return [default_gdb_start]
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}
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proc sid_exit {} {
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    if ![target_info exists gdb,no_push_conn] {
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        remote_close host;
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        remote_pop_conn host;
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    }
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}
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proc gdb_exit {} {
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    set result [default_gdb_exit]
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    sid_exit
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    return $result
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}
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#
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# gdb_target_sid
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# Set gdb to target the simulator
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#
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proc send_target_sid { } {
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    # wait a little while, giving sid time to shut down & restart its
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    # gdb socket
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    sleep 4
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    send_gdb "target [target_info gdb_protocol] [target_info netport]\n"
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}
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proc gdb_target_sid { } {
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    global gdb_prompt
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    global exit_status
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    send_target_sid
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    global timeout
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    set prev_timeout $timeout
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    set timeout 60
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    verbose "Timeout is now $timeout seconds" 2
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    gdb_expect {
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        -re ".*\[Ee\]rror.*$gdb_prompt $" {
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            perror "Couldn't set target for remote simulator."
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            cleanup
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            gdb_exit
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        }
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        -re "Remote debugging using.*$gdb_prompt"       {
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            verbose "Set target to sid"
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        }
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        timeout {
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            perror "Couldn't set target for remote simulator."
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            cleanup
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            gdb_exit
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        }
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    }
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    set timeout $prev_timeout
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    verbose "Timeout is now $timeout seconds" 2
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}
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#
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# gdb_load -- load a file into the debugger.
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#             return a -1 if anything goes wrong.
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#
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proc gdb_load { arg } {
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    global verbose
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    global loadpath
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    global loadfile
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    global GDB
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    global gdb_prompt
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    global retval
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    if { $arg != "" } {
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        if [gdb_file_cmd $arg] then { return -1 }
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    }
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    gdb_target_sid
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    send_gdb "load\n"
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    global timeout
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    set prev_timeout $timeout
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    set timeout 2400
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    verbose "Timeout is now $timeout seconds" 2
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    gdb_expect {
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        -re ".*\[Ee\]rror.*$gdb_prompt $" {
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            if $verbose>1 then {
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                perror "Error during download."
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            }
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            set retval -1;
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        }
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        -re ".*$gdb_prompt $" {
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            if $verbose>1 then {
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                send_user "Loaded $arg into $GDB\n"
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            }
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            set retval 0;
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        }
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        -re "$gdb_prompt $"     {
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            if $verbose>1 then {
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                perror "GDB couldn't load."
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            }
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            set retval -1;
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        }
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        timeout {
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            if $verbose>1 then {
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                perror "Timed out trying to load $arg."
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            }
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            set retval -1;
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        }
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    }
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    set timeout $prev_timeout
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    verbose "Timeout is now $timeout seconds" 2
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    return $retval;
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}

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