1 # Test Framework Driver for GDB driving an external simulator
2 # Copyright 1999, 2001, 2007 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 set port [lindex [split [target_info netport] ":"] 1]
25 # Set a default endianness
26 case [target_info multilib_flags] in {
27 { *big-endian* *-EB* *-meb* } { set sidendian "-EB" }
28 { *little-endian* *-EL* *-mel* } { set sidendian "-EL" }
30 if {[target_info exists sim,defaultendian]} then {
31 set sidendian [target_info sim,defaultendian]
33 # rely on endianness settings in sid configuration defaults
39 { -EB } { set sidendian2 {-e "set cpu endian big"} }
40 { -EL } { set sidendian2 {-e "set cpu endian little"} }
41 default { set sidendian2 {} }
44 # test to see whether to use use sid in build or install tree
45 set use_build_tree [file exists ../../sid]
47 if {$use_build_tree} then {
50 set env(SID_LIBRARY_PATH) [join [glob "../../sid/component/*"] ":"]
51 set env(SID) "../../sid/main/dynamic/sid"
52 if {! [file exists $env(SID)]} then { error "Cannot find sid in build tree" }
54 if { [board_info target sim,protocol] == "sid" } {
55 set spawncmd "[target_info sim] [target_info sim,options] $sidendian2 -e \"set cpu-gdb-socket sockaddr-local 0.0.0.0:$port\""
56 } elseif { [board_info target sim,protocol] == "rawsid" } {
57 set spawncmd "[target_info sim] [target_info sim,options] -$sidendian --gdb=$port"
59 set spawncmd "../../sid/bsp/[target_info sim] $sidendian --gdb=$port [target_info sim,options]"
63 unset env(SID_LIBRARY_PATH)
68 if { [board_info target sim,protocol] == "sid" } {
69 # FIXME: sim,options may be from the build tree, should find
70 # it in the install tree.
71 set spawncmd "sid [target_info sim,options] $sidendian2 -e \"set cpu-gdb-socket sockaddr-local 0.0.0.0:$port\""
72 } elseif { [board_info target sim,protocol] == "rawsid" } {
73 set spawncmd "[target_info sim] [target_info sim,options] -$sidendian --gdb=$port"
75 set spawncmd "[target_info sim] $sidendian --gdb=$port [target_info sim,options]"
81 if {[catch [list remote_spawn host $spawncmd] msg]} {
87 # Don't do the following any more; it breaks with "runtest ... < /dev/null"
90 # regsub "\n" $expect_out(buffer) {} msg
91 # verbose "SID: $msg" 2
95 # There should be no need to sleep to give SID time to start;
96 # GDB would wait for a fair while for the stub to respond.
99 if ![target_info exists gdb,no_push_conn] {
100 remote_push_conn host;
105 # Handle GDB talking to SID
110 return [default_gdb_start]
114 if ![target_info exists gdb,no_push_conn] {
116 remote_pop_conn host;
121 set result [default_gdb_exit]
128 # Set gdb to target the simulator
130 proc send_target_sid { } {
131 # wait a little while, giving sid time to shut down & restart its
134 send_gdb "target [target_info gdb_protocol] [target_info netport]\n"
137 proc gdb_target_sid { } {
144 set prev_timeout $timeout
146 verbose "Timeout is now $timeout seconds" 2
148 -re ".*\[Ee\]rror.*$gdb_prompt $" {
149 perror "Couldn't set target for remote simulator."
153 -re "Remote debugging using.*$gdb_prompt" {
154 verbose "Set target to sid"
157 perror "Couldn't set target for remote simulator."
162 set timeout $prev_timeout
163 verbose "Timeout is now $timeout seconds" 2
167 # gdb_load -- load a file into the debugger.
168 # return a -1 if anything goes wrong.
170 proc gdb_load { arg } {
179 if [gdb_file_cmd $arg] then { return -1 }
186 set prev_timeout $timeout
188 verbose "Timeout is now $timeout seconds" 2
190 -re ".*\[Ee\]rror.*$gdb_prompt $" {
192 perror "Error during download."
196 -re ".*$gdb_prompt $" {
198 send_user "Loaded $arg into $GDB\n"
202 -re "$gdb_prompt $" {
204 perror "GDB couldn't load."
210 perror "Timed out trying to load $arg."
215 set timeout $prev_timeout
216 verbose "Timeout is now $timeout seconds" 2