--- zzzz-none-000/linux-2.6.19.2/include/asm-sparc64/a.out.h	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/include/asm-sparc64/a.out.h	2007-01-19 14:42:56.000000000 +0000
@@ -98,7 +98,7 @@
 #define STACK_TOP32	((1UL << 32UL) - PAGE_SIZE)
 #define STACK_TOP64	(0x0000080000000000UL - (1UL << 32UL))
 
-#define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
+#define __STACK_TOP (test_thread_flag(TIF_32BIT) ? \
 		   STACK_TOP32 : STACK_TOP64)
 
 #endif