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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2006-09-20 15:58:20 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-09-20 15:58:20 +0200
commitde1a3f1ce6c4c3b2b14cf9157a22d6b4c64f708e (patch)
treedcda907cb6bb49ddbbaa1ac70108188da7f38a9d
parente478bec0ba0a83a48a0f6982934b6de079e7e6b3 (diff)
[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>
-rw-r--r--include/asm-s390/processor.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 5b71d373172..a3a4e5fd30d 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -339,4 +339,21 @@ int unregister_idle_notifier(struct notifier_block *nb);
#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 */