gdb/

	* Makefile.in (gdbtypes_h, gdbtypes.o, utils.o): Update.
	* defs.h (hashtab_obstack_allocate, dummy_obstack_deallocate): Add
	prototypes.
	* dwarf2read.c (read_subroutine_type): Use TYPE_ZALLOC.
	(hashtab_obstack_allocate, dummy_obstack_deallocate): Moved to...
	* utils.c (hashtab_obstack_allocate, dummy_obstack_deallocate):
	...here.
	* gdbtypes.c: Include "hashtab.h".
	(build_gdbtypes): Remove extra prototype.
	(struct type_pair, type_pair_hash, type_pair_eq)
	(create_copied_types_hash, copy_type_recursive): New.
	* gdbtypes.h: Include "hashtab.h".
	(TYPE_ZALLOC): New.
	(create_copied_types_hash, copy_type_recursive): New prototypes.
	* objfiles.c (free_objfile): Call preserve_values.
	* symfile.c (reread_symbols): Likewise.
	(clear_symtab_users): Remove calls to clear_value_history and
	clear_internalvars.
	* value.c (clear_value_history, clear_internalvars): Removed.
	(preserve_one_value, preserve_values): New functions.
	* value.h (clear_value_history, clear_internalvars): Removed.
	(preserve_values): New prototype.

	* tracepoint.c (_initialize_tracepoint): Do not initialize convenience
	variables here.
gdb/doc/
	* gdb.texinfo (Files): Remove obsolete bits from the description
	of "symbol-file".

1 files changed, 1 insertions, 27 deletions

diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 943f30477f8..85152a34c88 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -1030,10 +1030,6 @@ static gdb_byte *skip_one_die (gdb_byte *info_ptr, struct abbrev_info *abbrev,
 
 static void free_stack_comp_unit (void *);
 
-static void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
-
-static void dummy_obstack_deallocate (void *object, void *data);
-
 static hashval_t partial_die_hash (const void *item);
 
 static int partial_die_eq (const void *item_lhs, const void *item_rhs);
@@ -4627,7 +4623,7 @@ read_subroutine_type (struct die_info *die, struct dwarf2_cu *cu)
       /* Allocate storage for parameters and fill them in.  */
       TYPE_NFIELDS (ftype) = nparams;
       TYPE_FIELDS (ftype) = (struct field *)
-	TYPE_ALLOC (ftype, nparams * sizeof (struct field));
+	TYPE_ZALLOC (ftype, nparams * sizeof (struct field));
 
       child_die = die->child;
       while (child_die && child_die->tag)
@@ -9622,28 +9618,6 @@ dwarf2_clear_marks (struct dwarf2_per_cu_data *per_cu)
     }
 }
 
-/* Allocation function for the libiberty hash table which uses an
-   obstack.  */
-
-static void *
-hashtab_obstack_allocate (void *data, size_t size, size_t count)
-{
-  unsigned int total = size * count;
-  void *ptr = obstack_alloc ((struct obstack *) data, total);
-  memset (ptr, 0, total);
-  return ptr;
-}
-
-/* Trivial deallocation function for the libiberty splay tree and hash
-   table - don't deallocate anything.  Rely on later deletion of the
-   obstack.  */
-
-static void
-dummy_obstack_deallocate (void *object, void *data)
-{
-  return;
-}
-
 /* Trivial hash function for partial_die_info: the hash value of a DIE
    is its offset in .debug_info for this objfile.  */