構造体定義書

our version of an nlist node

struct symbol

No.	名称	属性	説明
1	symbol		our version of an nlist node
	sy_symbol	obj_symbol_type	what we write in .o file (if permitted)
	sy_name_offset	unsigned long	4-origin position of sy_name in symbols
	sy_number	long	24 bit symbol number.
	sy_next	symbol *	forward chain, or NULL
	sy_previous	symbol *	backward chain, or NULL
	sy_frag	frag *	NULL or -> frag this symbol attaches to.
	sy_forward	symbol *	value is really that of this other symbol
	sy_forceout	int
	sy_sizexp	void *	(expressionS *)
	sy_aux	int

symbol