* decl2.c (maybe_emit_vtables): Produce same comdat group when outputting

[pf3gnuchains/gcc-fork.git] / gcc / langhooks.h

diff --git a/gcc/langhooks.h b/gcc/langhooks.h
index ab64040..c0744e8 100644 (file)
--- a/gcc/langhooks.h
+++ b/gcc/langhooks.h
@@ -49,9 +49,6 @@ struct lang_hooks_for_callgraph
   /* The node passed is a language-specific tree node.  If its contents
      are relevant to use of other declarations, mark them.  */
   tree (*analyze_expr) (tree *, int *);
-
-  /* Emit thunks associated to function.  */
-  void (*emit_associated_thunks) (tree);
 };
 
 /* The following hooks are used by tree-dump.c.  */
@@ -231,6 +228,23 @@ struct lang_hooks_for_decls
   void (*omp_finish_clause) (tree clause);
 };
 
+/* Language hooks related to LTO serialization.  */
+
+struct lang_hooks_for_lto
+{
+  /* Begin a new LTO section named NAME.  */
+  void (*begin_section) (const char *name);
+
+  /* Write DATA of length LEN to the currently open LTO section.  BLOCK is a
+     pointer to the dynamically allocated memory containing DATA.  The
+     append_data function is responsible for freeing it when it is no longer
+     needed.  */
+  void (*append_data) (const void *data, size_t len, void *block);
+
+  /* End the previously begun LTO section.  */
+  void (*end_section) (void);
+};
+
 /* Language-specific hooks.  See langhooks-def.h for defaults.  */
 
 struct lang_hooks
@@ -269,7 +283,7 @@ struct lang_hooks
 
      Return 1 if the switch is valid, 0 if invalid, and -1 if it's
      valid and should not be treated as language-independent too.  */
-  int (*handle_option) (size_t code, const char *arg, int value);
+  int (*handle_option) (size_t code, const char *arg, int value, int kind);
 
   /* Return false to use the default complaint about a missing
      argument, otherwise output a complaint and return true.  */
@@ -386,6 +400,8 @@ struct lang_hooks
 
   struct lang_hooks_for_types types;
 
+  struct lang_hooks_for_lto lto;
+
   /* Returns the generic parameters of an instantiation of
      a generic type or decl, e.g. C++ template instantiation.  */
   tree (*get_innermost_generic_parms) (const_tree);
@@ -401,10 +417,6 @@ struct lang_hooks
      enum gimplify_status, though we can't see that type here.  */
   int (*gimplify_expr) (tree *, gimple_seq *, gimple_seq *);
 
-  /* Fold an OBJ_TYPE_REF expression to the address of a function.
-     KNOWN_TYPE carries the true type of the OBJ_TYPE_REF_OBJECT.  */
-  tree (*fold_obj_type_ref) (tree, tree);
-
   /* Do language specific processing in the builtin function DECL  */
   tree (*builtin_function) (tree decl);
 
@@ -430,6 +442,14 @@ struct lang_hooks
   /* Map a type to a runtime object to match type.  */
   tree (*eh_runtime_type) (tree);
 
+  /* True if this language uses __cxa_end_cleanup when the ARM EABI
+     is enabled.  */
+  bool eh_use_cxa_end_cleanup;
+
+  /* True if this language requires deep unsharing of tree nodes prior to
+     gimplification.  */
+  bool deep_unsharing;
+
   /* Whenever you add entries here, make sure you adjust langhooks-def.h
      and langhooks.c accordingly.  */
 };