* [S390] EX_TABLE macro.
@ 2006-08-30 12:43 Martin Schwidefsky
0 siblings, 0 replies; only message in thread
From: Martin Schwidefsky @ 2006-08-30 12:43 UTC (permalink / raw)
To: linux-kernel
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
[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>
---
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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