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>
git-mirror · Nov 2, 2011 · ad694df · ad694df
1 parent 412f90e
commit ad694df
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Showing 4 changed files with 15 additions and 91 deletions.
diff --git a/arch/um/sys-i386/shared/sysdep/sc.h b/arch/um/sys-i386/shared/sysdep/sc.h
diff --git a/arch/um/sys-i386/shared/sysdep/sigcontext.h b/arch/um/sys-i386/shared/sysdep/sigcontext.h
@@ -6,10 +6,17 @@
 #ifndef __SYS_SIGCONTEXT_I386_H
 #define __SYS_SIGCONTEXT_I386_H
 
-#include "sysdep/sc.h"
+#include <generated/user_constants.h>
 
 #define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
 
+#define SC_OFFSET(sc, field) \
+	*((unsigned long *) &(((char *) (sc))[HOST_##field]))
+
+#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO)
+#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR)
+#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2)
+
 #define GET_FAULTINFO_FROM_SC(fi, sc) \
 	{ \
 		(fi).cr2 = SC_CR2(sc); \

diff --git a/arch/um/sys-x86_64/shared/sysdep/sc.h b/arch/um/sys-x86_64/shared/sysdep/sc.h
diff --git 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)