gdbstub_cmd.c File Reference

GDB stub command. More...

#include <stdio.h>
#include <getopt.h>
#include <gpxe/command.h>
#include <gpxe/gdbstub.h>

Go to the source code of this file.

Functions
static void	gdbstub_syntax (char **argv)
	"gdbstub" command syntax message
static int	gdbstub_exec (int argc, char **argv)
	The "gdbstub" command.
Variables
struct command gdbstub_commands[]	__command
	GDB stub commands.

---

Detailed Description

GDB stub command.

Definition in file gdbstub_cmd.c.

---

Function Documentation

static void gdbstub_syntax

(

char **

argv

)

[static]

"gdbstub" command syntax message

Parameters:

argv

Argument list

Definition at line 35 of file gdbstub_cmd.c.

References printf().

Referenced by gdbstub_exec().

                                           {
        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] );
}

static int gdbstub_exec	(	int	argc,
		char **	argv
	)			[static]

The "gdbstub" command.

Parameters:

	argc	Argument count
	argv	Argument list

Return values:

rc

Exit code

Definition at line 52 of file gdbstub_cmd.c.

References find_gdb_transport(), gdbstub_start(), gdbstub_syntax(), getopt_long(), gdb_transport::init, NULL, optind, and printf().

                                                  {
        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;
}

---

Variable Documentation

struct command gdbstub_commands [] __command

Initial value:

 {
        {
                .name = "gdbstub",
                .exec = gdbstub_exec,
        },
}

GDB stub commands.

Definition at line 100 of file gdbstub_cmd.c.