um: get rid of sysdep/sc.h
only sysdep/sigcontext.h uses it and very few definitions are
actually used. The rest refers to symbols that don't even
exist anymore anyway.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
diff --git a/arch/um/sys-x86_64/shared/sysdep/sigcontext.h b/arch/um/sys-x86_64/shared/sysdep/sigcontext.h
index 0155133..9fb5277 100644
--- a/arch/um/sys-x86_64/shared/sysdep/sigcontext.h
+++ b/arch/um/sys-x86_64/shared/sysdep/sigcontext.h
@@ -7,7 +7,13 @@
#ifndef __SYSDEP_X86_64_SIGCONTEXT_H
#define __SYSDEP_X86_64_SIGCONTEXT_H
-#include <sysdep/sc.h>
+#include <generated/user_constants.h>
+
+#define SC_OFFSET(sc, field) \
+ *((unsigned long *) &(((char *) (sc))[HOST_##field]))
+#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2)
+#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR)
+#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO)
#define IP_RESTART_SYSCALL(ip) ((ip) -= 2)