2008-06-11 13:12:46 +02:00
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/*
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* Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <stdio.h>
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#include <getopt.h>
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2010-04-19 21:16:01 +02:00
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#include <ipxe/command.h>
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#include <ipxe/gdbstub.h>
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2008-06-11 13:12:46 +02:00
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/** @file
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*
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* GDB stub command
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*
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*/
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/**
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* "gdbstub" command syntax message
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*
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* @v argv Argument list
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*/
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static void gdbstub_syntax ( char **argv ) {
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printf ( "Usage:\n"
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" %s <transport> [<options>...]\n"
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"\n"
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"Start remote debugging using one of the following transports:\n"
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" serial use serial port (if compiled in)\n"
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" udp <interface> use UDP over network interface (if compiled in)\n",
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argv[0] );
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}
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/**
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* The "gdbstub" command
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*
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* @v argc Argument count
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* @v argv Argument list
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* @ret rc Exit code
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*/
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static int gdbstub_exec ( int argc, char **argv ) {
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static struct option longopts[] = {
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{ "help", 0, NULL, 'h' },
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{ NULL, 0, NULL, 0 },
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};
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const char *trans_name;
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struct gdb_transport *trans;
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int c;
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/* Parse options */
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while ( ( c = getopt_long ( argc, argv, "h", longopts, NULL ) ) >= 0 ){
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switch ( c ) {
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case 'h':
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/* Display help text */
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default:
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/* Unrecognised/invalid option */
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gdbstub_syntax ( argv );
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return 1;
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}
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}
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/* At least one argument */
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if ( optind == argc ) {
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gdbstub_syntax ( argv );
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return 1;
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}
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trans_name = argv[optind++];
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/* Initialise transport */
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trans = find_gdb_transport ( trans_name );
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if ( !trans ) {
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printf ( "%s: no such transport (is it compiled in?)\n", trans_name );
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return 1;
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}
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if ( trans->init ) {
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if ( trans->init ( argc - optind, &argv[optind] ) != 0 ) {
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return 1;
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}
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}
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/* Enter GDB stub */
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gdbstub_start ( trans );
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return 0;
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}
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/** GDB stub commands */
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struct command gdbstub_commands[] __command = {
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{
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.name = "gdbstub",
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.exec = gdbstub_exec,
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},
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};
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