In libobjc/: 2010-12-19 Nicola Pero <nicola.pero@meta-innovation.com>

In libobjc/:
2010-12-19  Nicola Pero  <nicola.pero@meta-innovation.com>

	* init.c: Updated comments.
	* objc/objc-api.h: Updated comments.
	* objc/runtime.h (_objc_load_callback): Declare.

From-SVN: r168044

2 files changed, 28 insertions, 15 deletions

diff --git a/libobjc/objc/objc-api.h b/libobjc/objc/objc-api.h
index d31e13f..521f79e 100644
--- a/libobjc/objc/objc-api.h
+++ b/libobjc/objc/objc-api.h
@@ -26,25 +26,28 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #ifndef __objc_api_INCLUDE_GNU
 #define __objc_api_INCLUDE_GNU
 
-/*
-  This file declares the "traditional" GNU Objective-C Runtime API.
-  It is the API supported by older versions of the GNU Objective-C
-  Runtime.  Include this file to use it.
-
-  This API is being replaced by the "modern" GNU Objective-C Runtime
-  API, which is declared in objc/runtime.h.  The "modern" API is very
-  similar to the API used by the modern Apple/NeXT runtime.
-
-  Because the two APIs have some conflicting definitions (in
-  particular, Method and Category are defined differently) you should
-  include either objc/objc-api.h (to use the traditional GNU
-  Objective-C Runtime API) or objc/runtime.h (to use the modern GNU
-  Objective-C Runtime API), but not both.
-*/
+/* This file declares the "traditional" GNU Objective-C Runtime API.
+   It is the API supported by older versions of the GNU Objective-C
+   Runtime.  Include this file to use it.
+
+   This API is being replaced by the "modern" GNU Objective-C Runtime
+   API, which is declared in objc/runtime.h.  The "modern" API is very
+   similar to the API used by the modern Apple/NeXT runtime.
+
+   The last version of GCC supporting the traditional API is GCC 4.6.
+   This file will not exist in later versions of GCC.
+
+   Because the two APIs have some conflicting definitions (in
+   particular, Method and Category are defined differently) you should
+   include either objc/objc-api.h (to use the traditional GNU
+   Objective-C Runtime API) or objc/runtime.h (to use the modern GNU
+   Objective-C Runtime API), but not both.  */
 #ifdef __objc_runtime_INCLUDE_GNU
 # error You can not include both objc/objc-api.h and objc/runtime.h.  Include objc/objc-api.h for the traditional GNU Objective-C Runtime API and objc/runtime.h for the modern one.
 #endif
 
+/* TODO: A deprecation warning any time the file is included ? */
+
 #include "objc.h"
 #ifndef GNU_LIBOBJC_COMPILING_LIBOBJC_ITSELF
 # include "deprecated/hash.h"
@@ -182,6 +185,8 @@ typedef struct objc_category Category, *Category_t;
 ** objc_get_class if the runtime is not able to find the class.
 ** This may e.g. try to load in the class using dynamic loading.
 ** The function is guaranteed to be passed a non-NULL name string.
+** In the Modern API, this is replaced by
+** objc_setGetUnknownClassHandler ().
 */
 objc_EXPORT Class (*_objc_lookup_class)(const char *name);
 
diff --git a/libobjc/objc/runtime.h b/libobjc/objc/runtime.h
index 94f5bf7..de8f701 100644
--- a/libobjc/objc/runtime.h
+++ b/libobjc/objc/runtime.h
@@ -876,6 +876,14 @@ objc_EXPORT Protocol **protocol_copyProtocolList (Protocol *protocol, unsigned i
 
 /* TODO: Add all the other functions in the API.  */
 
+/** Implementation: the following hook is in init.c.  */
+
+/* This is a hook which is called by __objc_exec_class every time a
+   class or a category is loaded into the runtime.  This may e.g. help
+   a dynamic loader determine the classes that have been loaded when
+   an object file is dynamically linked in.  */
+objc_EXPORT void (*_objc_load_callback)(Class _class, struct objc_category *category);
+
 
 /** Implementation: the following functions are in objc-foreach.c.  */