[tcpip] Allow supported address families to be detected at runtime
[ipxe.git] / src / hci / commands / gdbstub_cmd.c
1 /*
2 * Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17 * 02110-1301, USA.
18 *
19 * You can also choose to distribute this program under the terms of
20 * the Unmodified Binary Distribution Licence (as given in the file
21 * COPYING.UBDL), provided that you have satisfied its requirements.
22 */
23
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25
26 #include <stdio.h>
27 #include <errno.h>
28 #include <assert.h>
29 #include <getopt.h>
30 #include <ipxe/command.h>
31 #include <ipxe/parseopt.h>
32 #include <ipxe/gdbstub.h>
33
34 /** @file
35 *
36 * GDB stub command
37 *
38 */
39
40 /**
41 * Parse GDB transport name
42 *
43 * @v text Text
44 * @ret trans GDB transport
45 * @ret rc Return status code
46 */
47 static int parse_gdb_transport ( const char *text,
48 struct gdb_transport **trans ) {
49
50 /* Sanity check */
51 assert ( text != NULL );
52
53 /* Find transport */
54 *trans = find_gdb_transport ( text );
55 if ( ! *trans ) {
56 printf ( "\"%s\": no such transport (is it compiled in?)\n",
57 text );
58 return -ENOTSUP;
59 }
60
61 return 0;
62 }
63
64 /** "gdbstub" options */
65 struct gdbstub_options {};
66
67 /** "gdbstub" option list */
68 static struct option_descriptor gdbstub_opts[] = {};
69
70 /** "gdbstub" command descriptor */
71 static struct command_descriptor gdbstub_cmd =
72 COMMAND_DESC ( struct gdbstub_options, gdbstub_opts, 1, MAX_ARGUMENTS,
73 "<transport> [<options>...]" );
74
75 /**
76 * The "gdbstub" command
77 *
78 * @v argc Argument count
79 * @v argv Argument list
80 * @ret rc Return status code
81 */
82 static int gdbstub_exec ( int argc, char **argv ) {
83 struct gdbstub_options opts;
84 struct gdb_transport *trans;
85 int rc;
86
87 /* Parse options */
88 if ( ( rc = parse_options ( argc, argv, &gdbstub_cmd, &opts ) ) != 0 )
89 return rc;
90
91 /* Parse transport name */
92 if ( ( rc = parse_gdb_transport ( argv[optind++], &trans ) ) != 0 )
93 return rc;
94
95 /* Initialise transport */
96 if ( trans->init ) {
97 if ( ( rc = trans->init ( argc - optind,
98 &argv[optind] ) ) != 0 ) {
99 return rc;
100 }
101 }
102
103 /* Enter GDB stub */
104 gdbstub_start ( trans );
105
106 return 0;
107 }
108
109 /** GDB stub commands */
110 struct command gdbstub_commands[] __command = {
111 {
112 .name = "gdbstub",
113 .exec = gdbstub_exec,
114 },
115 };