2003-10-31 Andreas Jaeger <aj@suse.de>,

            Zack Weinberg  <zack@codesourcery.com>


        * crtstuff.c (__register_frame_info, __register_frame_info_bases)
        (__deregister_frame_info, __deregister_frame_info_bases):
        Constify void * argument.
        * unwind-dw2-fde.h (struct fde_vector):
        Constify 'orig_data' and 'array' fields.
        (__register_frame_info, __register_frame_info_bases)
        (__deregister_frame_info, __deregister_frame_info_bases):
        Constify void * argument.
        (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments,
        return values, and casts of type fde *, struct dwarf_fde *,
        and struct dwarf_cie *.
        * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases)
        (__deregister_frame_info, __deregister_frame_info_bases):
        Constify void * argument.
        (get_cie_encoding, ): Constify struct dwarf_cie * argument.
        (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare)
        (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert)
        fde_split, SWAP, frame_downheap, frame_heapsort)
        (classify_object_over_fdes, add_fdes, linear_search_fdes,
        binary_search_unencoded_fdes, binary_search_single_encoding_fdes,
        binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE):
        Constify arguments, local variables, return values, and casts
        of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *.
        Use const pointer types in sizeof expressions, for clarity.
        * unwind-dw2-fde-glibc.c
        (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value.
        (struct unw_eh_callback_data): Constify 'ret' field.

Co-Authored-By: Zack Weinberg <zack@codesourcery.com>

From-SVN: r73155

gcc/ChangeLog

+2003-10-31  Andreas Jaeger  <aj@suse.de>, 
+            Zack Weinberg  <zack@codesourcery.com>            
+
+
+        * crtstuff.c (__register_frame_info, __register_frame_info_bases)
+        (__deregister_frame_info, __deregister_frame_info_bases):
+        Constify void * argument.
+        * unwind-dw2-fde.h (struct fde_vector): 
+        Constify 'orig_data' and 'array' fields.
+        (__register_frame_info, __register_frame_info_bases)
+        (__deregister_frame_info, __deregister_frame_info_bases):
+        Constify void * argument.
+        (get_cie, next_fde, _Unwind_Find_FDE): Constify arguments,
+        return values, and casts of type fde *, struct dwarf_fde *,
+        and struct dwarf_cie *.
+        * unwind-dw2-fde.c (__register_frame_info, __register_frame_info_bases)
+        (__deregister_frame_info, __deregister_frame_info_bases):
+        Constify void * argument.
+        (get_cie_encoding, ): Constify struct dwarf_cie * argument.
+        (get_fde_encoding, fde_unencoded_compare, fde_single_encoding_compare)
+        (fde_mixed_encoding_compare, fde_compare_t, start_fde_sort, fde_insert)
+        fde_split, SWAP, frame_downheap, frame_heapsort)
+        (classify_object_over_fdes, add_fdes, linear_search_fdes,
+        binary_search_unencoded_fdes, binary_search_single_encoding_fdes,
+        binary_search_mixed_encoding_fdes, search_object, _Unwind_Find_FDE):
+        Constify arguments, local variables, return values, and casts
+        of type fde *, fde **, struct dwarf_fde *, and struct dwarf_cie *.
+        Use const pointer types in sizeof expressions, for clarity.
+        * unwind-dw2-fde-glibc.c 
+        (_Unwind_find_registered_FDE, _Unwind_find_FDE): Constify return value.
+        (struct unw_eh_callback_data): Constify 'ret' field.
+
 2003-10-31  Fariborz Jahanian  <fjahanian@apple.com>
 	    David Edelsohn  <edelsohn@gnu.org>
 

gcc/crtstuff.c

@@ -120,14 +120,14 @@ call_ ## FUNC (void)					\
    
 /* References to __register_frame_info and __deregister_frame_info should
    be weak in this file if at all possible.  */
-extern void __register_frame_info (void *, struct object *)
+extern void __register_frame_info (const void *, struct object *)
 				  TARGET_ATTRIBUTE_WEAK;
-extern void __register_frame_info_bases (void *, struct object *,
+extern void __register_frame_info_bases (const void *, struct object *,
 					 void *, void *)
 				  TARGET_ATTRIBUTE_WEAK;
-extern void *__deregister_frame_info (void *)
+extern void *__deregister_frame_info (const void *)
 				     TARGET_ATTRIBUTE_WEAK;
-extern void *__deregister_frame_info_bases (void *)
+extern void *__deregister_frame_info_bases (const void *)
 				     TARGET_ATTRIBUTE_WEAK;
 extern void __do_global_ctors_1 (void);
 

gcc/unwind-dw2-fde-glibc.c

@@ -52,7 +52,7 @@
     && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
 	|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
 
-static fde * _Unwind_Find_registered_FDE (void *pc, struct dwarf_eh_bases *bases);
+static const fde * _Unwind_Find_registered_FDE (void *pc, struct dwarf_eh_bases *bases);
 
 #define _Unwind_Find_FDE _Unwind_Find_registered_FDE
 #include "unwind-dw2-fde.c"
@@ -68,7 +68,7 @@ struct unw_eh_callback_data
   void *tbase;
   void *dbase;
   void *func;
-  fde *ret;
+  const fde *ret;
 };
 
 struct unw_eh_frame_hdr
@@ -261,11 +261,11 @@ _Unwind_IteratePhdrCallback (struct dl_phdr_info *info, size_t size, void *ptr)
   return 1;
 }
 
-fde *
+const fde *
 _Unwind_Find_FDE (void *pc, struct dwarf_eh_bases *bases)
 {
   struct unw_eh_callback_data data;
-  fde *ret;
+  const fde *ret;
 
   ret = _Unwind_Find_registered_FDE (pc, bases);
   if (ret != NULL)

gcc/unwind-dw2-fde.h

@@ -32,9 +32,9 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 
 struct fde_vector
 {
-  void *orig_data;
+  const void *orig_data;
   size_t count;
-  struct dwarf_fde *array[];
+  const struct dwarf_fde *array[];
 };
 
 struct object
@@ -43,7 +43,7 @@ struct object
   void *tbase;
   void *dbase;
   union {
-    struct dwarf_fde *single;
+    const struct dwarf_fde *single;
     struct dwarf_fde **array;
     struct fde_vector *sort;
   } u;
@@ -90,16 +90,16 @@ struct dwarf_eh_bases
 };
 
 
-extern void __register_frame_info_bases (void *, struct object *,
+extern void __register_frame_info_bases (const void *, struct object *,
 					 void *, void *);
-extern void __register_frame_info (void *, struct object *);
+extern void __register_frame_info (const void *, struct object *);
 extern void __register_frame (void *);
 extern void __register_frame_info_table_bases (void *, struct object *,
 					       void *, void *);
 extern void __register_frame_info_table (void *, struct object *);
 extern void __register_frame_table (void *);
-extern void *__deregister_frame_info (void *);
-extern void *__deregister_frame_info_bases (void *);
+extern void *__deregister_frame_info (const void *);
+extern void *__deregister_frame_info_bases (const void *);
 extern void __deregister_frame (void *);
 
 
@@ -151,22 +151,22 @@ typedef struct dwarf_fde fde;
 
 /* Locate the CIE for a given FDE.  */
 
-static inline struct dwarf_cie *
-get_cie (struct dwarf_fde *f)
+static inline const struct dwarf_cie *
+get_cie (const struct dwarf_fde *f)
 {
   return (void *)&f->CIE_delta - f->CIE_delta;
 }
 
-static inline fde *
-next_fde (fde *f)
+static inline const fde *
+next_fde (const fde *f)
 {
-  return (fde *) ((char *) f + f->length + sizeof (f->length));
+  return (const fde *) ((char *) f + f->length + sizeof (f->length));
 }
 
-extern fde * _Unwind_Find_FDE (void *, struct dwarf_eh_bases *);
+extern const fde * _Unwind_Find_FDE (void *, struct dwarf_eh_bases *);
 
 static inline int
-last_fde (struct object *obj __attribute__ ((__unused__)), fde *f)
+last_fde (struct object *obj __attribute__ ((__unused__)), const fde *f)
 {
 #ifdef DWARF2_OBJECT_END_PTR_EXTENSION
   return (char *)f == obj->fde_end || f->length == 0;