-PROTO(etree_type *, exp_binop,(int, etree_type *, etree_type *));
-PROTO(etree_type *,exp_trinop,(int,etree_type *, etree_type *, etree_type *));
-PROTO(etree_type *,exp_unop,(int, etree_type *));
-PROTO(etree_type *,exp_nameop,(int, char *));
-PROTO(etree_type *,exp_assop,(int, char *, etree_type *));
-PROTO(void, exp_print_tree,(struct _iobuf *, etree_type *));
-PROTO(bfd_vma, exp_get_vma,(etree_type *, bfd_vma, char *, enum boolean));
-PROTO(int, exp_get_value_int,(etree_type *, int, char *, enum boolean));
+extern struct ldexp_control expld;
+
+/* A maps from a segment name to a base address. */
+typedef struct segment_struct {
+ /* The next segment in the linked list. */
+ struct segment_struct *next;
+ /* The name of the sgement. */
+ const char *name;
+ /* The base address for the segment. */
+ bfd_vma value;
+ /* True if a SEGMENT_START directive corresponding to this segment
+ has been seen. */
+ bfd_boolean used;
+} segment_type;
+
+/* The segments specified by the user on the command-line. */
+extern segment_type *segments;
+
+typedef struct _fill_type fill_type;
+
+etree_type *exp_intop
+ (bfd_vma);
+etree_type *exp_bigintop
+ (bfd_vma, char *);
+etree_type *exp_relop
+ (asection *, bfd_vma);
+void exp_fold_tree
+ (etree_type *, asection *, bfd_vma *);
+etree_type *exp_binop
+ (int, etree_type *, etree_type *);
+etree_type *exp_trinop
+ (int,etree_type *, etree_type *, etree_type *);
+etree_type *exp_unop
+ (int, etree_type *);
+etree_type *exp_nameop
+ (int, const char *);
+etree_type *exp_assop
+ (int, const char *, etree_type *);
+etree_type *exp_provide
+ (const char *, etree_type *, bfd_boolean);
+etree_type *exp_assert
+ (etree_type *, const char *);
+void exp_print_tree
+ (etree_type *);
+bfd_vma exp_get_vma
+ (etree_type *, bfd_vma, char *);
+int exp_get_value_int
+ (etree_type *, int, char *);
+fill_type *exp_get_fill
+ (etree_type *, fill_type *, char *);
+bfd_vma exp_get_abs_int
+ (etree_type *, int, char *);
+
+#endif