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|
# Test Framework Driver for GDB driving a ROM monitor (via monitor.c).
# Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010, 2011
# 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 3 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, see <http://www.gnu.org/licenses/>.
load_lib gdb.exp
# puts "***** DID USE MONITOR ******"
#
# gdb_target_cmd
# Send gdb the "target" command
#
proc gdb_target_cmd { targetname serialport } {
global gdb_prompt
for {set i 1} {$i <= 3} {incr i} {
send_gdb "target $targetname $serialport\n"
gdb_expect 60 {
-re "A program is being debugged already.*ill it.*y or n. $" {
send_gdb "y\n";
exp_continue;
}
-re "Couldn't establish connection to remote.*$gdb_prompt" {
verbose "Connection failed";
}
-re "Remote MIPS debugging.*$gdb_prompt" {
verbose "Set target to $targetname";
return 0;
}
-re "Remote debugging using .*$serialport.*$gdb_prompt" {
verbose "Set target to $targetname";
return 0;
}
-re "Remote target $targetname connected to.*$gdb_prompt" {
verbose "Set target to $targetname";
return 0;
}
-re "Connected to.*$gdb_prompt" {
verbose "Set target to $targetname";
return 0;
}
-re "Ending remote.*$gdb_prompt" { }
-re "Connection refused.*$gdb_prompt" {
verbose "Connection refused by remote target. Pausing, and trying again."
sleep 30
continue
}
-re "Timeout reading from remote system.*$gdb_prompt" {
verbose "Got timeout error from gdb.";
}
timeout {
send_gdb "";
break
}
}
}
return 1
}
#
# gdb_target_monitor
# Set gdb to target the monitor
#
proc gdb_target_monitor { exec_file } {
global gdb_prompt
global exit_status
global timeout
if [target_info exists gdb_protocol] {
set targetname "[target_info gdb_protocol]"
} else {
perror "No protocol specified for [target_info name].";
return -1;
}
if [target_info exists baud] {
gdb_test "set remotebaud [target_info baud]" "" ""
}
if [target_info exists binarydownload] {
gdb_test "set remotebinarydownload [target_info binarydownload]" "" ""
}
if { [ target_info exists disable_x_packet ] } {
gdb_test "set remote X-packet disable" ""
}
if { [ target_info exists disable_z_packet ] } {
gdb_test "set remote Z-packet disable" ""
}
if [target_info exists gdb_serial] {
set serialport "[target_info gdb_serial]";
} elseif [target_info exists netport] {
set serialport "[target_info netport]"
} else {
set serialport "[target_info serial]"
}
for {set j 1} {$j <= 2} {incr j} {
if [gdb_file_cmd $exec_file] { return -1; }
if ![gdb_target_cmd $targetname $serialport] { return 0; }
gdb_target_exec;
if { $j == 1 && ![reboot_target] } {
break;
}
}
perror "Couldn't set target for $targetname, port is $serialport.";
return -1;
}
proc gdb_target_exec { } {
gdb_test "target exec" "No executable file now." "" ".*Kill it.*y or n.*" "y"
}
#
# 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
global timeout
global last_gdb_file;
if { $arg == "" } {
if [info exists last_gdb_file] {
set arg $last_gdb_file;
} else {
send_gdb "info files\n";
gdb_expect 30 {
-re "Symbols from \"(\[^\"\]+)\"" {
set arg $expect_out(1,string);
exp_continue;
}
-re "Local exec file:\[\r\n\]+\[ \t\]*`(\[^'\]+)'," {
set arg $expect_out(1,string);
exp_continue;
}
-re "$gdb_prompt $" { }
}
}
}
set last_gdb_file $arg;
for { set j 1; } { $j <= 2 } {incr j; } {
if [target_info exists gdb,use_standard_load] {
gdb_target_exec;
if ![target_info exists gdb,no_push_conn] {
remote_push_conn host;
}
set state [remote_ld target $arg];
if ![target_info exists gdb,no_push_conn] {
remote_close target;
remote_pop_conn host;
}
if { $state == "pass" } {
if [gdb_target_monitor $arg] { return -1; }
gdb_test "list main" ".*" ""
verbose "Loaded $arg into $GDB\n";
return 0;
}
} else {
if [gdb_target_monitor $arg] { return -1 }
if [is_remote host] {
# FIXME: Multiple downloads. bleah.
set farg [remote_download host $arg];
} else {
set farg $arg;
}
if { $arg != "" && [target_info exists gdb_sect_offset] } {
set textoff [target_info gdb_sect_offset];
send_gdb "sect .text $textoff\n";
gdb_expect 30 {
-re "(0x\[0-9a-z]+) - 0x\[0-9a-z\]+ is \\.data" {
set dataoff $expect_out(1,string);
exp_continue;
}
-re "(0x\[0-9a-z\]+) - 0x\[0-9a-z\]+ is \\.bss" {
set bssoff $expect_out(1,string);
exp_continue;
}
-re "$gdb_prompt" { }
}
set dataoff [format 0x%x [expr $dataoff + $textoff]];
set bssoff [format 0x%x [expr $bssoff + $textoff]];
send_gdb "sect .data $dataoff\n";
gdb_expect 30 {
-re "$gdb_prompt" { }
}
send_gdb "sect .bss $bssoff\n";
gdb_expect 30 {
-re "$gdb_prompt" { }
}
}
verbose "Loading $farg"
if [target_info exists gdb_load_offset] {
set command "load $farg [target_info gdb_load_offset]\n";
} else {
set command "load $farg\n";
}
if [target_info exists gdb_load_timeout] {
set loadtimeout [target_info gdb_load_timeout]
} else {
set loadtimeout 1600
}
send_gdb $command;
gdb_expect $loadtimeout {
-re "\[Ff\]ailed.*$gdb_prompt $" {
verbose "load failed";
}
-re "Timeout reading from remote.*$gdb_prompt" {
}
-re "$gdb_prompt $" {
verbose "Loaded $farg into $GDB\n"
return 0;
}
timeout {
if { $verbose > 1 } {
perror "Timed out trying to load $farg."
}
}
}
}
# Make sure we don't have an open connection to the target.
gdb_target_exec;
if { $j == 1 } {
if { ![reboot_target] } {
break;
}
}
}
perror "Couldn't load file into GDB.";
return -1;
}
|
