/**
* Parse GDB transport name
*
* @v text Text
* @ret trans GDB transport
* @ret rc Return status code
*/
static int parse_gdb_transport ( const char *text,
struct gdb_transport **trans ) {
/* Sanity check */
assert ( text != NULL );
/* Find transport */
*trans = find_gdb_transport ( text );
if ( ! *trans ) {
printf ( "\"%s\": no such transport (is it compiled in?)\n",
text );
return -ENOTSUP;
}
return 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;
}
