[SPARC]: Fix weak aliases

sparc_ksyms.c used to declare weak alias to several gcc intrinsics.  It
doesn't work with gcc4 anymore - it wants a declaration for the thing
we are aliasing to and that's not going to happen for something like
.mul, etc.  Replaced with direct injection of weak alias on the assembler
level - .weak <alias> followed by <alias> = <aliased>; that works on all
gcc versions.

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index 1bd430d0ca0629108135262bbcba06b986a6c005..8faa8dc4de435cd7850170a5ea266f19cd00ac6b 100644 (file)
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -98,8 +98,9 @@ extern void ___rw_write_enter(void);
  * The module references will be fixed up by module_frob_arch_sections.
  */
 #define DOT_ALIAS2(__ret, __x, __arg1, __arg2) \
-       extern __ret __x(__arg1, __arg2) \
-                    __attribute__((weak, alias("." # __x)));
+       extern __ret __x(__arg1, __arg2); \
+       asm(".weak " #__x);\
+       asm(#__x "=." #__x);
 
 DOT_ALIAS2(int, div, int, int)
 DOT_ALIAS2(int, mul, int, int)