module-abi-8.h (struct objc_symtab): Updated description of sel_ref_cnt and refs.

2010-12-11  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc-private/module-abi-8.h (struct objc_symtab): Updated
	description of sel_ref_cnt and refs.
	* objc/deprecated/struct_objc_symtab.h (objc_symtab): Same change.

From-SVN: r167710

libobjc/ChangeLog

+2010-12-11  Nicola Pero  <nicola.pero@meta-innovation.com>
+
+	* objc-private/module-abi-8.h (struct objc_symtab): Updated
+	description of sel_ref_cnt and refs.
+	* objc/deprecated/struct_objc_symtab.h (objc_symtab): Same change.
+	
 2010-12-06  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	PR target/40125

libobjc/objc-private/module-abi-8.h

@@ -47,8 +47,11 @@ struct objc_static_instances
    categories  defined in the module.   */
 struct objc_symtab
 {
-  unsigned long sel_ref_cnt;  /* Unknown. */
-  SEL        refs;            /* Unknown. */
+  unsigned long sel_ref_cnt;  /* Unused (always set to 0). */
+  SEL      refs;              /* The table of selectors referenced in
+                                 this module.  This is terminated by a
+                                 selector with NULL sel_id and NULL
+                                 sel_types.  */
   unsigned short cls_def_cnt; /* Number of classes compiled (defined)
                                  in the module. */
   unsigned short cat_def_cnt; /* Number of categories compiled

libobjc/objc/deprecated/struct_objc_symtab.h

@@ -5,8 +5,11 @@
    A Symtab contains a variable length array of pointers to classes and
    categories  defined in the module.   */
 typedef struct objc_symtab {
-  unsigned long sel_ref_cnt;                     /* Unknown. */
-  SEL        refs;                              /* Unknown. */
+  unsigned long sel_ref_cnt;  /* Unused (always set to 0). */
+  SEL      refs;              /* The table of selectors referenced in
+                                 this module.  This is terminated by a
+                                 selector with NULL sel_id and NULL
+                                 sel_types.  */
   unsigned short cls_def_cnt;                   /* Number of classes compiled
                                                   (defined) in the module. */
   unsigned short cat_def_cnt;                   /* Number of categories