[PATCH 1/5] Add REGISTRY for struct address_space.

[Yao Qi <yao@codesourcery.com>]

This patch adds REGISTRY for struct address_space.

gdb:

2013-10-23  Yao Qi  <yao@codesourcery.com>

	* progspace.c: DEFINE_REGISTRY for address_space.
	(new_address_space): Call address_space_alloc_data.
	(free_address_space): Call address_space_free_data.
	(struct address_space): Move it to ...
	* progspace.h: ... here.
	(struct address_space) <REGISTRY_FIELDS>: New.
	Use DECLARE_REGISTRY.
---
 gdb/progspace.c |   14 ++++++--------
 gdb/progspace.h |   18 +++++++++++++++++-
 2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/gdb/progspace.c b/gdb/progspace.c
index 6e72211..b9b32dd 100644
--- a/gdb/progspace.c
+++ b/gdb/progspace.c
@@ -44,16 +44,12 @@ static int highest_address_space_num;
 
 DEFINE_REGISTRY (program_space, REGISTRY_ACCESS_FIELD)
 
-\f
+/* Keep a registry of per-address_space data-pointers required by other GDB
+   modules.  */
 
-/* An address space.  Currently this is not used for much other than
-   for comparing if pspaces/inferior/threads see the same address
-   space.  */
+DEFINE_REGISTRY (address_space, REGISTRY_ACCESS_FIELD)
 
-struct address_space
-{
-  int num;
-};
+\f
 
 /* Create a new address space object, and add it to the list.  */
 
@@ -64,6 +60,7 @@ new_address_space (void)
 
   aspace = XZALLOC (struct address_space);
   aspace->num = ++highest_address_space_num;
+  address_space_alloc_data (aspace);
 
   return aspace;
 }
@@ -89,6 +86,7 @@ maybe_new_address_space (void)
 static void
 free_address_space (struct address_space *aspace)
 {
+  address_space_free_data (aspace);
   xfree (aspace);
 }
 
diff --git a/gdb/progspace.h b/gdb/progspace.h
index f24a569..3735202 100644
--- a/gdb/progspace.h
+++ b/gdb/progspace.h
@@ -31,7 +31,6 @@ struct bfd;
 struct objfile;
 struct inferior;
 struct exec;
-struct address_space;
 struct program_space_data;
 
 typedef struct so_list *so_list_ptr;
@@ -131,6 +130,18 @@ DEF_VEC_P (so_list_ptr);
    (traditional unix/uClinux), or, in the DICOS case, the address
    space bound to the program space is mostly ignored.  */
 
+/* An address space.  It is used for comparing if pspaces/inferior/threads
+   see the same address space and for associating caches to each address
+   space.  */
+
+struct address_space
+{
+  int num;
+
+  /* Per aspace data-pointers required by other GDB modules.  */
+  REGISTRY_FIELDS;
+};
+
 /* The program space structure.  */
 
 struct program_space
@@ -304,4 +315,9 @@ extern void clear_program_space_solib_cache (struct program_space *);
 
 DECLARE_REGISTRY (program_space);
 
+/* Keep a registry of per-aspace data-pointers required by other GDB
+   modules.  */
+
+DECLARE_REGISTRY (address_space);
+
 #endif
-- 
1.7.7.6