sparc: Add task_pt_regs().

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/include/asm/processor_32.h

@@ -114,6 +114,7 @@ extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
 
 extern unsigned long get_wchan(struct task_struct *);
 
+#define task_pt_regs(tsk) ((tsk)->thread.kregs)
 #define KSTK_EIP(tsk)  ((tsk)->thread.kregs->pc)
 #define KSTK_ESP(tsk)  ((tsk)->thread.kregs->u_regs[UREG_FP])