+ /* This is set if the symbol is set with a .weakref directive. */
+ unsigned int sy_weakrefr : 1;
+
+ /* This is set when the symbol is referenced as part of a .weakref
+ directive, but only if the symbol was not in the symbol table
+ before. It is cleared as soon as any direct reference to the
+ symbol is present. */
+ unsigned int sy_weakrefd : 1;
+};
+
+/* The information we keep for a symbol. Note that the symbol table
+ holds pointers both to this and to local_symbol structures. See
+ below. */
+
+struct symbol
+{
+ /* Symbol flags. */
+ struct symbol_flags sy_flags;
+
+ /* BFD symbol */
+ asymbol *bsym;
+
+ /* The value of the symbol. */
+ expressionS sy_value;
+
+ /* Forwards and (optionally) backwards chain pointers. */
+ struct symbol *sy_next;
+ struct symbol *sy_previous;
+
+ /* Pointer to the frag this symbol is attached to, if any.
+ Otherwise, NULL. */
+ struct frag *sy_frag;
+
+#ifdef OBJ_SYMFIELD_TYPE
+ OBJ_SYMFIELD_TYPE sy_obj;
+#endif
+
+#ifdef TC_SYMFIELD_TYPE
+ TC_SYMFIELD_TYPE sy_tc;
+#endif
+
+#ifdef TARGET_SYMBOL_FIELDS
+ TARGET_SYMBOL_FIELDS
+#endif
+};
+
+/* A pointer in the symbol may point to either a complete symbol
+ (struct symbol above) or to a local symbol (struct local_symbol
+ defined here). The symbol code can detect the case by examining
+ the first field. It is always NULL for a local symbol.
+
+ We do this because we ordinarily only need a small amount of
+ information for a local symbol. The symbol table takes up a lot of
+ space, and storing less information for a local symbol can make a
+ big difference in assembler memory usage when assembling a large
+ file. */
+
+struct local_symbol
+{
+ /* Symbol flags. Only sy_local_symbol and sy_resolved are relevant. */
+ struct symbol_flags lsy_flags;
+
+ /* The symbol section. This also serves as a flag. If this is
+ reg_section, then this symbol has been converted into a regular
+ symbol, and lsy_sym points to it. */
+ segT lsy_section;
+
+ /* The symbol name. */
+ const char *lsy_name;
+
+ /* The symbol frag or the real symbol, depending upon the value in
+ lsy_section. */
+ union
+ {
+ fragS *lsy_frag;
+ symbolS *lsy_sym;
+ } u;
+
+ /* The value of the symbol. */
+ valueT lsy_value;
+
+#ifdef TC_LOCAL_SYMFIELD_TYPE
+ TC_LOCAL_SYMFIELD_TYPE lsy_tc;
+#endif
+};
+
+#define local_symbol_converted_p(l) ((l)->lsy_section == reg_section)
+#define local_symbol_mark_converted(l) ((l)->lsy_section = reg_section)
+#define local_symbol_resolved_p(l) ((l)->lsy_flags.sy_resolved)
+#define local_symbol_mark_resolved(l) ((l)->lsy_flags.sy_resolved = 1)
+#define local_symbol_get_frag(l) ((l)->u.lsy_frag)
+#define local_symbol_set_frag(l, f) ((l)->u.lsy_frag = (f))
+#define local_symbol_get_real_symbol(l) ((l)->u.lsy_sym)
+#define local_symbol_set_real_symbol(l, s) ((l)->u.lsy_sym = (s))