All symbols starting with `x' in ddb
x10000000
ddb/db_sym.c:326
X_db_line_at_pc
ddb/db_aout.c:221
X_db_lookup
ddb/db_aout.c:135
X_db_search_symbol
ddb/db_aout.c:158
X_db_symbol_values
ddb/db_aout.c:206
X_db_sym_init
ddb/db_aout.c:84
xFF800000
ddb/db_access.c:64