parasite-syscall: Move parasite_args macro to header

It will be needed in x86/ code.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Tested-by: Alexander Kartashov <alekskartashov@parallels.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

include/parasite-syscall.h

@@ -44,6 +44,12 @@ struct list_head;
 extern int parasite_dump_sigacts_seized(struct parasite_ctl *ctl, struct cr_fdset *cr_fdset);
 extern int parasite_dump_itimers_seized(struct parasite_ctl *ctl, struct cr_fdset *cr_fdset);
 
+#define parasite_args(ctl, type)					\
+	({								\
+		BUILD_BUG_ON(sizeof(type) > PARASITE_ARG_SIZE_MIN);	\
+		ctl->addr_args;						\
+	})
+
 void *parasite_args_s(struct parasite_ctl *ctl, int args_size);
 int parasite_execute_daemon(unsigned int cmd, struct parasite_ctl *ctl);
 int parasite_send_fd(struct parasite_ctl *ctl, int fd);

parasite-syscall.c

@@ -197,11 +197,6 @@ void *parasite_args_s(struct parasite_ctl *ctl, int args_size)
 	return ctl->addr_args;
 }
 
-#define parasite_args(ctl, type) ({				\
-		BUILD_BUG_ON(sizeof(type) > PARASITE_ARG_SIZE_MIN);\
-		ctl->addr_args;					\
-	})
-
 static int parasite_execute_trap_by_pid(unsigned int cmd,
 					struct parasite_ctl *ctl, pid_t pid,
 					user_regs_struct_t *regs_orig,