Index: gcc/ChangeLog

[pf3gnuchains/gcc-fork.git] / libcpp / include / symtab.h

diff --git a/libcpp/include/symtab.h b/libcpp/include/symtab.h
index d11e4ef..0b2a848 100644 (file)
--- a/libcpp/include/symtab.h
+++ b/libcpp/include/symtab.h
@@ -46,8 +46,11 @@ struct ht
   struct obstack stack;
 
   hashnode *entries;
-  /* Call back.  */
+  /* Call back, allocate a node.  */
   hashnode (*alloc_node) (hash_table *);
+  /* Call back, allocate something that hangs off a node like a cpp_macro.  
+     NULL means use the usual allocator.  */
+  void * (*alloc_subobject) (size_t);
 
   unsigned int nslots;         /* Total slots in the entries array.  */
   unsigned int nelements;      /* Number of live elements.  */