sh: __user annotations for __get/__put_user().

This adds in some more __user annotations. These weren't being
handled properly in some of the __get_user and __put_user paths,
so tidy those up.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h
index 82f3e22..fb22fc3 100644
--- a/include/asm-sh/system.h
+++ b/include/asm-sh/system.h
@@ -8,9 +8,13 @@
 
 #include <linux/irqflags.h>
 #include <linux/compiler.h>
+#include <linux/linkage.h>
 #include <asm/types.h>
 #include <asm/ptrace.h>
 
+struct task_struct *__switch_to(struct task_struct *prev,
+				struct task_struct *next);
+
 /*
  *	switch_to() should switch tasks to task nr n, first
  */
@@ -271,6 +275,16 @@
 void disable_hlt(void);
 void enable_hlt(void);
 
+void default_idle(void);
+
+asmlinkage void break_point_trap(void);
+asmlinkage void debug_trap_handler(unsigned long r4, unsigned long r5,
+				   unsigned long r6, unsigned long r7,
+				   struct pt_regs __regs);
+asmlinkage void bug_trap_handler(unsigned long r4, unsigned long r5,
+				 unsigned long r6, unsigned long r7,
+				 struct pt_regs __regs);
+
 #define arch_align_stack(x) (x)
 
 #endif