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- /*
- * 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 <ipxe/command.h>
- #include <ipxe/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,
- },
- };
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