Look up primitive types as symbols.

[deliverable/binutils-gdb.git] / gdb / symtab.h

diff --git a/gdb/symtab.h b/gdb/symtab.h
index b3a9a6b74eb60f834ecad42f9531ccd3973a15c3..3f645b1bd9c625432f067b51e24b183950a7b946 100644 (file)
--- a/gdb/symtab.h
+++ b/gdb/symtab.h
@@ -711,10 +711,19 @@ struct symbol
 
   struct type *type;
 
-  /* The symbol table containing this symbol.  This is the file
-     associated with LINE.  It can be NULL during symbols read-in but it is
-     never NULL during normal operation.  */
-  struct symtab *symtab;
+  /* The owner of this symbol.
+     Which one to use is defined by symbol.is_arch_owned.  */
+
+  union
+  {
+    /* The symbol table containing this symbol.  This is the file associated
+       with LINE.  It can be NULL during symbols read-in but it is never NULL
+       during normal operation.  */
+    struct symtab *symtab;
+
+    /* For types defined by the architecture.  */
+    struct gdbarch *arch;
+  } owner;
 
   /* Domain code.  */
 
@@ -726,6 +735,11 @@ struct symbol
 
   unsigned int aclass_index : SYMBOL_ACLASS_BITS;
 
+  /* If non-zero then symbol is objfile-owned, use owner.symtab.
+     Otherwise symbol is arch-owned, use owner.arch.  */
+
+  unsigned int is_objfile_owned : 1;
+
   /* Whether this is an argument.  */
 
   unsigned is_argument : 1;
@@ -742,6 +756,7 @@ struct symbol
      SYMBOL_INLINED set) this is the line number of the function's call
      site.  Inlined function symbols are not definitions, and they are
      never found by symbol table lookup.
+     If this symbol is arch-owned, LINE shall be zero.
 
      FIXME: Should we really make the assumption that nobody will try
      to debug files longer than 64K lines?  What about machine
@@ -769,10 +784,14 @@ struct symbol
 
 extern const struct symbol_impl *symbol_impls;
 
+/* Note: There is no accessor macro for symbol.owner because it is
+   "private".  */
+
 #define SYMBOL_DOMAIN(symbol)  (symbol)->domain
 #define SYMBOL_IMPL(symbol)            (symbol_impls[(symbol)->aclass_index])
 #define SYMBOL_ACLASS_INDEX(symbol)    (symbol)->aclass_index
 #define SYMBOL_CLASS(symbol)           (SYMBOL_IMPL (symbol).aclass)
+#define SYMBOL_OBJFILE_OWNED(symbol)   ((symbol)->is_objfile_owned)
 #define SYMBOL_IS_ARGUMENT(symbol)     (symbol)->is_argument
 #define SYMBOL_INLINED(symbol)         (symbol)->is_inlined
 #define SYMBOL_IS_CPLUS_TEMPLATE_FUNCTION(symbol) \