[uml-devel] Re: [patch] module symbol fix

[Gerd Knorr <kraxel@bytesex.org>]

On Thu, Feb 26, 2004 at 10:26:55PM +0100, Gerd Knorr wrote:
>   Hi,
> 
> recent gcc versions need this one ...

Another one of this kind (without this gcc may optimizes away the static
declared but unreferenced stuff, resulting in initrd= and --help options
not working any more for example ...).

  Gerd

--- linux-um-2.6.3/arch/um/include/init.h.used	2004-02-27 09:34:57.874205081 +0100
+++ linux-um-2.6.3/arch/um/include/init.h	2004-02-27 09:44:32.415275725 +0100
@@ -40,9 +40,9 @@
 typedef int (*initcall_t)(void);
 typedef void (*exitcall_t)(void);
 
-#define __init          __attribute__ ((__section__ (".text.init")))
+#define __init          __attribute__ ((used,__section__ (".text.init")))
 #define __exit          __attribute__ ((unused, __section__(".text.exit")))
-#define __initdata      __attribute__ ((__section__ (".data.init")))
+#define __initdata      __attribute__ ((used,__section__ (".data.init")))
 
 #endif
 
@@ -94,11 +94,11 @@
  * Mark functions and data as being only used at initialization
  * or exit time.
  */
-#define __uml_init_setup	__attribute__ ((unused,__section__ (".uml.setup.init")))
-#define __uml_setup_help	__attribute__ ((unused,__section__ (".uml.help.init")))
-#define __uml_init_call		__attribute__ ((unused,__section__ (".uml.initcall.init")))
-#define __uml_postsetup_call	__attribute__ ((unused,__section__ (".uml.postsetup.init")))
-#define __uml_exit_call		__attribute__ ((unused,__section__ (".uml.exitcall.exit")))
+#define __uml_init_setup	__attribute__ ((used,__section__ (".uml.setup.init")))
+#define __uml_setup_help	__attribute__ ((used,__section__ (".uml.help.init")))
+#define __uml_init_call		__attribute__ ((used,__section__ (".uml.initcall.init")))
+#define __uml_postsetup_call	__attribute__ ((used,__section__ (".uml.postsetup.init")))
+#define __uml_exit_call		__attribute__ ((used,__section__ (".uml.exitcall.exit")))
 
 #endif /* _LINUX_UML_INIT_H */
 


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