[S390] EX_TABLE macro.

[Martin Schwidefsky]

From: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>

[S390] EX_TABLE macro.

Add EX_TABLE helper macro to simplify creation of inline assembly
exception table entries.

Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
---

 include/asm-s390/processor.h |   17 +++++++++++++++++
 1 files changed, 17 insertions(+)

diff -urpN linux-2.6/include/asm-s390/processor.h linux-2.6-patched/include/asm-s390/processor.h
--- linux-2.6/include/asm-s390/processor.h	2006-08-30 14:24:22.000000000 +0200
+++ linux-2.6-patched/include/asm-s390/processor.h	2006-08-30 14:24:36.000000000 +0200
@@ -339,4 +339,21 @@ int unregister_idle_notifier(struct noti
 
 #endif
 
+/*
+ * Helper macro for exception table entries
+ */
+#ifndef __s390x__
+#define EX_TABLE(_fault,_target)			\
+	".section __ex_table,\"a\"\n"			\
+	"	.align 4\n"				\
+	"	.long  " #_fault "," #_target "\n"	\
+	".previous\n"
+#else
+#define EX_TABLE(_fault,_target)			\
+	".section __ex_table,\"a\"\n"			\
+	"	.align 8\n"				\
+	"	.quad  " #_fault "," #_target "\n"	\
+	".previous\n"
+#endif
+
 #endif                                 /* __ASM_S390_PROCESSOR_H           */
-
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