[S390] EX_TABLE macro.
Add EX_TABLE helper macro to simplify creation of inline assembly
exception table entries.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 5b71d37..a3a4e5f 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -339,4 +339,21 @@
#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 */