diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index f9edf01bd5c..8c6540d4804 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,13 @@
+2001-08-01  Andrew Cagney  <ac131313@redhat.com>
+
+	* doublest.h (store_floating, floatformat_to_doublest): Make IN
+	paramter a const void pointer.
+	(floatformat_from_doublest): Make IN const, Make OUT a void
+	pointer.
+	* doublest.c (floatformat_to_doublest): Update.
+	(floatformat_from_doublest): Update.
+	(extract_floating): Update.
+
 2001-07-31  Andrew Cagney  <ac131313@redhat.com>
 
 	* defs.h (HOST_FLOAT_FORMAT, HOST_DOUBLE_FORMAT)
diff --git a/gdb/doublest.c b/gdb/doublest.c
index 80548e7a155..af635f223cb 100644
--- a/gdb/doublest.c
+++ b/gdb/doublest.c
@@ -105,7 +105,8 @@ get_field (unsigned char *data, enum floatformat_byteorders order,
    Store the DOUBLEST in *TO.  */
 
 void
-floatformat_to_doublest (const struct floatformat *fmt, char *from,
+floatformat_to_doublest (const struct floatformat *fmt,
+			 const void *from,
 			 DOUBLEST *to)
 {
   unsigned char *ufrom = (unsigned char *) from;
@@ -325,8 +326,9 @@ ldfrexp (long double value, int *eptr)
    restrictions.  */
 
 void
-floatformat_from_doublest (CONST struct floatformat *fmt, DOUBLEST *from,
-			   char *to)
+floatformat_from_doublest (CONST struct floatformat *fmt,
+			   const DOUBLEST *from,
+			   void *to)
 {
   DOUBLEST dfrom;
   int exponent;
@@ -540,7 +542,7 @@ floatformat_mantissa (const struct floatformat *fmt, char *val)
    dirty work.  */
 
 DOUBLEST
-extract_floating (void *addr, int len)
+extract_floating (const void *addr, int len)
 {
   DOUBLEST dretval;
 
diff --git a/gdb/doublest.h b/gdb/doublest.h
index 8e3919685c5..692280db5f2 100644
--- a/gdb/doublest.h
+++ b/gdb/doublest.h
@@ -73,15 +73,15 @@ typedef double DOUBLEST;
 #endif
 
 extern void floatformat_to_doublest (const struct floatformat *,
-				     char *, DOUBLEST *);
+				     const void *in, DOUBLEST *out);
 extern void floatformat_from_doublest (const struct floatformat *,
-				       DOUBLEST *, char *);
+				       const DOUBLEST *in, void *out);
 
 extern int floatformat_is_negative (const struct floatformat *, char *);
 extern int floatformat_is_nan (const struct floatformat *, char *);
 extern char *floatformat_mantissa (const struct floatformat *, char *);
 
-extern DOUBLEST extract_floating (void *, int);
+extern DOUBLEST extract_floating (const void *in, int);
 extern void store_floating (void *, int, DOUBLEST);
 
 #endif