Clean up langhooks

	* alias.c:: Include langhooks.h.
	* emit-rtl.c: Similarly.
	* toplev.c: Similarly.
	* tree-inline.c: Similarly.
	* langhooks-def.h: New, the old langhooks.h.  Give the default
	hooks a common prefix.
	* langhooks.h: Contents extracted from toplev.h.
	* toplev.h: Move langhook stuff to langhooks.h.
	* langhooks.c: Give default hooks a common prefix.

	* c-lang.c: Include langhooks-def.h.
	* ada/misc.c: Similarly.
	* cp/cp-lang.c: Similarly.
	* f/com.c: Similarly.
	* java/lang.c: Similarly.
	* objc/objc-act.c: Similarly.

	* Makefile.in: Update.
	* ada/Makefile.in: Similarly.
	* cp/Make-lang.in: Similarly.
	* f/Make-lang.in: Similarly.
	* java/Make-lang.in: Similarly.
	* objc/Make-lang.in: Similarly.

From-SVN: r46813

1 files changed, 0 insertions, 69 deletions

diff --git a/gcc/toplev.h b/gcc/toplev.h
index 8f21b03..74fef17 100644
--- a/gcc/toplev.h
+++ b/gcc/toplev.h
@@ -115,75 +115,6 @@ extern void check_global_declarations   PARAMS ((union tree_node **, int));
 extern const char *progname;
 extern const char *dump_base_name;
 
-/* The following hooks are documented in langhooks.c.  Must not be
-   NULL.  */
-
-struct lang_hooks_for_tree_inlining
-{
-  union tree_node *(*walk_subtrees) PARAMS ((union tree_node **, int *,
-					     union tree_node *(*)
-					     (union tree_node **,
-					      int *, void *),
-					     void *, void *));
-  int (*cannot_inline_tree_fn) PARAMS ((union tree_node **));
-  int (*disregard_inline_limits) PARAMS ((union tree_node *));
-  union tree_node *(*add_pending_fn_decls) PARAMS ((void *,
-						    union tree_node *));
-  int (*tree_chain_matters_p) PARAMS ((union tree_node *));
-  int (*auto_var_in_fn_p) PARAMS ((union tree_node *, union tree_node *));
-  union tree_node *(*copy_res_decl_for_inlining) PARAMS ((union tree_node *,
-							  union tree_node *,
-							  union tree_node *,
-							  void *, int *,
-							  void *));
-  int (*anon_aggr_type_p) PARAMS ((union tree_node *));
-};
-
-/* Language-specific hooks.  See langhooks.h for defaults.  */
-
-struct lang_hooks
-{
-  /* Called first, to initialize the front end.  */
-  void (*init) PARAMS ((void));
-
-  /* Called last, as a finalizer.  */
-  void (*finish) PARAMS ((void));
-
-  /* Called immediately after parsing to clear the binding stack.  */
-  void (*clear_binding_stack) PARAMS ((void));
-
-  /* Called to initialize options, before any calls to decode_option.  */
-  void (*init_options) PARAMS ((void));
-
-  /* Function called with an option vector as argument, to decode a
-     single option (typically starting with -f or -W or +).  It should
-     return the number of command-line arguments it uses if it handles
-     the option, or 0 and not complain if it does not recognise the
-     option.  If this function returns a negative number, then its
-     absolute value is the number of command-line arguments used, but,
-     in addition, no language-independent option processing should be
-     done for this option.  */
-  int (*decode_option) PARAMS ((int, char **));
-
-  /* Called when all command line options have been processed.  */
-  void (*post_options) PARAMS ((void));
-
-  /* Called to obtain the alias set to be used for an expression or type.
-     Returns -1 if the language does nothing special for it.  */
-  HOST_WIDE_INT (*get_alias_set) PARAMS ((tree));
-
-  /* Nonzero if TYPE_READONLY and TREE_READONLY should always be honored.  */
-  bool honor_readonly;
-
-  struct lang_hooks_for_tree_inlining tree_inlining;
-
-  /* Whenever you add entries here, make sure you adjust langhooks.h
-     and langhooks.c accordingly.  */
-};
-
-/* Each front end provides its own.  */
-extern struct lang_hooks lang_hooks;
-
 /* The hashtable, so that the C front ends can pass it to cpplib.  */
 extern struct ht *ident_hash;