/*
* Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
*
* 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <getopt.h>
#include <gpxe/command.h>
#include <gpxe/gdbstub.h>
/** @file
*
* GDB stub command
*
*/
/**
* "gdbstub" command syntax message
*
* @v argv Argument list
*/
static void gdbstub_syntax ( char **argv ) {
printf ( "Usage:\n"
" %s <transport> [<options>...]\n"
"\n"
"Start remote debugging using one of the following transports:\n"
" serial use serial port (if compiled in)\n"
" udp <interface> use UDP over network interface (if compiled in)\n",
argv[0] );
}
/**
* The "gdbstub" command
*
* @v argc Argument count
* @v argv Argument list
* @ret rc Exit code
*/
static int gdbstub_exec ( int argc, char **argv ) {
static struct option longopts[] = {
{ "help", 0, NULL, 'h' },
{ NULL, 0, NULL, 0 },
};
const char *trans_name;
struct gdb_transport *trans;
int c;
/* Parse options */
while ( ( c = getopt_long ( argc, argv, "h", longopts, NULL ) ) >= 0 ){
switch ( c ) {
case 'h':
/* Display help text */
default:
/* Unrecognised/invalid option */
gdbstub_syntax ( argv );
return 1;
}
}
/* At least one argument */
if ( optind == argc ) {
gdbstub_syntax ( argv );
return 1;
}
trans_name = argv[optind++];
/* Initialise transport */
trans = find_gdb_transport ( trans_name );
if ( !trans ) {
printf ( "%s: no such transport (is it compiled in?)\n", trans_name );
return 1;
}
if ( trans->init ) {
if ( trans->init ( argc - optind, &argv[optind] ) != 0 ) {
return 1;
}
}
/* Enter GDB stub */
gdbstub_start ( trans );
return 0;
}
/** GDB stub commands */
struct command gdbstub_commands[] __command = {
{
.name = "gdbstub",
.exec = gdbstub_exec,
},
};
