392 lines
8.6 KiB
Plaintext
392 lines
8.6 KiB
Plaintext
# Copyright (C) 1996, 1997 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.
|
||
|
||
# Please email any bugs, comments, and/or additions to this file to:
|
||
# DejaGnu@cygnus.com
|
||
|
||
# This file was written by Michael Snyder <msnyder@cygnus.com>.
|
||
|
||
# GDB support routines for a board using the sparclet remote debugging
|
||
# protocol.
|
||
|
||
load_lib remote.exp
|
||
load_lib gdb.exp
|
||
|
||
#
|
||
# Sparclet remote run command.
|
||
#
|
||
|
||
proc gdb_start { } {
|
||
global gdb_prompt
|
||
|
||
if ![file exists loader] {
|
||
global libdir
|
||
set loader loader;
|
||
|
||
if [target_info exists gdb_stub_offset] {
|
||
set result [target_compile "${libdir}/stub-loader.c" $loader executable "libs=-Wl,-Ttext,[target_info gdb_stub_offset]"];
|
||
} else {
|
||
set result [target_compile "${libdir}/stub-loader.c" $loader executable "ldscript=[target_info gdb_stub_ldscript]"];
|
||
}
|
||
}
|
||
|
||
verbose -log "$gdb_prompt is gdb prompt"
|
||
|
||
set result 0;
|
||
for { set y 0; } { $y < 4 } { incr y } {
|
||
if { [default_gdb_start] != 0 } {
|
||
return -1;
|
||
}
|
||
|
||
if [target_info exists baud] {
|
||
send_gdb "set remotebaud [target_info baud]\n"
|
||
gdb_expect {
|
||
-re "$gdb_prompt" { }
|
||
default {
|
||
perror "Error setting baud rate."
|
||
return -1;
|
||
}
|
||
}
|
||
}
|
||
|
||
for {set x 1;} { $x < 4 } {incr x} {
|
||
set result [gdb_sparclet_startup $result];
|
||
if { $result > 0 } {
|
||
return 1;
|
||
}
|
||
# mmmmm, magic numbers.
|
||
if { $result == -42 || $result == -43 } {
|
||
break;
|
||
} else {
|
||
reboot_target;
|
||
}
|
||
}
|
||
if { $x == 4 } {
|
||
return -1;
|
||
}
|
||
gdb_exit;
|
||
sleep 5;
|
||
}
|
||
return -1;
|
||
}
|
||
|
||
proc gdb_sparclet_startup { arg } {
|
||
global gdb_prompt
|
||
global GDB
|
||
global verbose
|
||
|
||
set is_running_stub 0;
|
||
|
||
if [target_info exists serial] {
|
||
set serial [target_info serial];
|
||
} else {
|
||
set serial [target_info netport];
|
||
}
|
||
set protocol [target_info gdb_protocol];
|
||
set check_stub 1;
|
||
if { $arg != -42 } {
|
||
send_gdb "target $protocol $serial\n";
|
||
# 10 seconds may be a bit short.
|
||
gdb_expect 10 {
|
||
-re "already.*y or n." {
|
||
gdb_send "y\n";
|
||
exp_continue;
|
||
}
|
||
-re "Remote target.*connected to.*$gdb_prompt" { set check_stub 0; }
|
||
-re "$gdb_prompt" { }
|
||
timeout { }
|
||
}
|
||
if { $check_stub } {
|
||
verbose "timed out, checking if stub is already running"
|
||
send_gdb "\003";
|
||
sleep 1;
|
||
send_gdb "\003";
|
||
gdb_expect 10 {
|
||
-re "$gdb_prompt" { }
|
||
default {
|
||
remote_close host;
|
||
return -42;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if [target_info exists gdb_serial] {
|
||
set gdb_serial [target_info gdb_serial];
|
||
} else {
|
||
set gdb_serial $serial;
|
||
}
|
||
if { $check_stub } {
|
||
send_gdb "target remote $gdb_serial\n";
|
||
gdb_expect 15 {
|
||
-re "Remote debugging.*$gdb_prompt" {
|
||
verbose "stub is already running"
|
||
set is_running_stub 1;
|
||
}
|
||
default {
|
||
warning "board isn't responding";
|
||
remote_close host;
|
||
remote_reboot target;
|
||
return -43;
|
||
}
|
||
}
|
||
}
|
||
|
||
if { $is_running_stub == 0 } {
|
||
global srcdir
|
||
|
||
if [is_remote host] {
|
||
set loader [remote_download host "loader"];
|
||
} else {
|
||
set loader "loader";
|
||
}
|
||
send_gdb "file $loader\n";
|
||
gdb_expect {
|
||
-re "A program is being debug.*Kill it.*y or n. $" {
|
||
send_gdb "y\n"
|
||
exp_continue
|
||
}
|
||
-re "Load new symbol table.*y or n. $" {
|
||
send_gdb "y\n"
|
||
exp_continue
|
||
}
|
||
-re "Reading symbols from.*done..*$gdb_prompt $" {}
|
||
-re "$gdb_prompt $" { perror "GDB couldn't find loader" }
|
||
timeout {
|
||
perror "(timeout) read symbol file" ;
|
||
return -1
|
||
}
|
||
}
|
||
|
||
send_gdb "target $protocol $serial\n";
|
||
gdb_expect {
|
||
-re "Remote target.*connected to.*$gdb_prompt" { }
|
||
default {
|
||
perror "Error reconnecting to board.";
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
send_gdb "load $loader [target_info gdb_stub_offset]\n"
|
||
verbose "Loading $loader into $GDB" 2
|
||
set no_run_command 0;
|
||
gdb_expect 1200 {
|
||
-re "Loading.*$gdb_prompt $" {
|
||
verbose "Loaded $loader into $GDB" 1
|
||
}
|
||
-re "Transfer rate:.*Switching to remote protocol.*Remote debugging" {
|
||
set no_run_command 1;
|
||
}
|
||
-re "$gdb_prompt $" {
|
||
if $verbose>1 then {
|
||
perror "GDB couldn't load."
|
||
}
|
||
}
|
||
timeout {
|
||
if $verbose>1 then {
|
||
perror "Timed out trying to load $arg."
|
||
}
|
||
}
|
||
}
|
||
|
||
if !$no_run_command {
|
||
send_gdb "run\n";
|
||
gdb_expect 60 {
|
||
-re "A program is being debug.*Kill it.*y or n. $" {
|
||
send_gdb "y\n"
|
||
exp_continue
|
||
}
|
||
-re "The program being debugged .*y or n. $" {
|
||
send_gdb "y\n"
|
||
exp_continue
|
||
}
|
||
-re "Starting program:.*loader.*$" {
|
||
verbose "Starting loader succeeded"
|
||
}
|
||
timeout {
|
||
perror "(timeout) starting the loader" ;
|
||
return -1
|
||
}
|
||
default {
|
||
perror "error starting the loader";
|
||
}
|
||
}
|
||
}
|
||
sleep 2;
|
||
send_gdb ""
|
||
sleep 1;
|
||
send_gdb ""
|
||
verbose "Sent ^C^C"
|
||
gdb_expect 10 {
|
||
-re "Give up .and stop debugging it.*$" {
|
||
send_gdb "y\n"
|
||
exp_continue
|
||
}
|
||
-re "$gdb_prompt $" {
|
||
verbose "Running loader succeeded"
|
||
}
|
||
timeout {
|
||
warning "(timeout) interrupting the loader" ;
|
||
remote_close host;
|
||
}
|
||
default {
|
||
warning "error interrupting the loader";
|
||
}
|
||
}
|
||
|
||
gdb_exit;
|
||
return [gdb_start];
|
||
}
|
||
return 1;
|
||
}
|
||
|
||
proc gdb_run_cmd { args } {
|
||
global gdb_prompt
|
||
|
||
gdb_breakpoint exit;
|
||
send_gdb "set \$fp=0\n";
|
||
gdb_expect {
|
||
-re "$gdb_prompt" { }
|
||
}
|
||
# This is needed for the SparcLite. Whee.
|
||
if [target_info exists gdb,start_symbol] {
|
||
set start_comm "jump *[target_info gdb,start_symbol]\n";
|
||
} else {
|
||
set start_comm "jump *start\n";
|
||
}
|
||
send_gdb "break copyloop\n";
|
||
gdb_expect 10 {
|
||
-re "Breakpoint.*$gdb_prompt $" {
|
||
set start_comm "continue\n";
|
||
}
|
||
-re "$gdb_prompt $" { }
|
||
timeout { warning "break copyloop failed badly"; }
|
||
}
|
||
send_gdb $start_comm;
|
||
gdb_expect 10 {
|
||
-re "y or n. $" {
|
||
remote_send host "y\n"
|
||
exp_continue;
|
||
}
|
||
-re "Breakpoint.*in copyloop.*$gdb_prompt $" {
|
||
remote_send host "jump relocd\n";
|
||
exp_continue;
|
||
}
|
||
-re "Continuing at.*\[\r\n\]" { }
|
||
default {
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
return "";
|
||
}
|
||
|
||
|
||
#
|
||
# gdb_load -- load a file into the GDB.
|
||
# Returns a 0 if there was an error,
|
||
# 1 if it load successfully.
|
||
#
|
||
proc gdb_load { arg } {
|
||
global verbose
|
||
global loadpath
|
||
global loadfile
|
||
global gdb_prompt
|
||
global GDB
|
||
global expect_out
|
||
|
||
set loadfile [file tail $arg]
|
||
set loadpath [file dirname $arg]
|
||
|
||
set protocol [target_info gdb_protocol];
|
||
|
||
if [is_remote host] {
|
||
set arg [remote_download host $arg];
|
||
}
|
||
send_gdb "file $arg\n"
|
||
gdb_expect 30 {
|
||
-re "A program is being debug.*Kill it.*y or n. $" {
|
||
send_gdb "y\n"
|
||
exp_continue
|
||
}
|
||
-re "Load new symbol table.*y or n. $" {
|
||
send_gdb "y\n"
|
||
exp_continue
|
||
}
|
||
-re "Reading symbols from.*done..*$gdb_prompt $" {}
|
||
-re "$gdb_prompt $" { perror "GDB couldn't read file" }
|
||
timeout {
|
||
perror "(timeout) read symbol file" ;
|
||
return -1
|
||
}
|
||
}
|
||
|
||
if [target_info exists gdb_serial] {
|
||
set gdb_serial [target_info gdb_serial];
|
||
} else {
|
||
if [target_info exists serial] {
|
||
set gdb_serial [target_info serial];
|
||
} else {
|
||
set gdb_serial [target_info netport];
|
||
}
|
||
}
|
||
send_gdb "target remote $gdb_serial\n"
|
||
gdb_expect 30 {
|
||
-re "Kill it?.*y or n.*" {
|
||
send_gdb "y\n";
|
||
exp_continue
|
||
}
|
||
-re "$gdb_prompt $" {
|
||
verbose "Set remote target to $gdb_serial" 2
|
||
}
|
||
timeout {
|
||
perror "Couldn't set remote target."
|
||
return -1
|
||
}
|
||
}
|
||
if [target_info exists gdb_load_offset] {
|
||
set offset "[target_info gdb_load_offset]";
|
||
} else {
|
||
set offset "";
|
||
}
|
||
send_gdb "load $arg $offset\n"
|
||
verbose "Loading $arg into $GDB" 2
|
||
gdb_expect 1200 {
|
||
-re "Loading.*$gdb_prompt $" {
|
||
verbose "Loaded $arg into $GDB" 1
|
||
}
|
||
-re "$gdb_prompt $" {
|
||
if $verbose>1 then {
|
||
perror "GDB couldn't load."
|
||
}
|
||
}
|
||
timeout {
|
||
if $verbose>1 then {
|
||
perror "Timed out trying to load $arg."
|
||
}
|
||
}
|
||
}
|
||
send_gdb "list main\n";
|
||
gdb_expect 60 {
|
||
-re "$gdb_prompt" { }
|
||
default {
|
||
perror "command for list main never completed";
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
return 0
|
||
}
|