Function db_printsym

freebsd/ddb/db_sym.c:441–471

db_expr_t	db_maxoff = 0x10000;

void
db_printsym(db_expr_t off, db_strategy_t strategy)
{
	db_expr_t	d;
	char 		*filename;
	const char	*name;
	int 		linenum;
	c_db_sym_t	cursym;

	if (off < 0 && off >= -db_maxoff) {
		db_printf("%+#lr", (long)off);
		return;
	}
	cursym = db_search_symbol(off, strategy, &d);
	db_symbol_values(cursym, &name, NULL);
	if (name == NULL || d >= (db_addr_t)db_maxoff) {
		db_printf("%#lr", (unsigned long)off);
		return;
	}
#ifdef DDB_NUMSYM
	db_printf("%#lr = %s", (unsigned long)off, name);
#else
	db_printf("%s", name);
#endif
	if (d)
		db_printf("+%+#lr", (long)d);
	if (strategy == DB_STGY_PROC) {
		if (db_line_at_pc(cursym, &filename, &linenum, off))
			db_printf(" [%s:%d]", filename, linenum);
	}
}

static bool
db_line_at_pc(c_db_sym_t sym, char **filename, int *linenum, db_expr_t pc)