gdbarch: Use an anonymous union for target data in `gdbarch_info'

[external/binutils.git] / gdb / gdbarch.h

diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index 1c95301..ceb867f 100644 (file)
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -1647,7 +1647,21 @@ struct gdbarch_info
   bfd *abfd;
 
   /* Use default: NULL (ZERO).  */
-  void *tdep_info;
+  union
+    {
+      /* Architecture-specific information.  The generic form for targets
+        that have extra requirements.  */
+      struct gdbarch_tdep_info *tdep_info;
+
+      /* Architecture-specific target description data.  Numerous targets
+        need only this, so give them an easy way to hold it.  */
+      struct tdesc_arch_data *tdesc_data;
+
+      /* SPU file system ID.  This is a single integer, so using the
+        generic form would only complicate code.  Other targets may
+        reuse this member if suitable.  */
+      int *id;
+    };
 
   /* Use default: GDB_OSABI_UNINITIALIZED (-1).  */
   enum gdb_osabi osabi;