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authorH. Peter Anvin <hpa@zytor.com>2008-02-04 16:47:56 +0100
committerIngo Molnar <mingo@elte.hu>2008-02-04 16:47:56 +0100
commita34746bc43eb63e545abf5eb002d96483a54ee32 (patch)
treea557068ff21007b38a21d90927dd720e4d49d457 /include
parent1622ac23bd3568c3ae8bb391dd3adb51887d7141 (diff)
x86: add _ASM_EXTABLE macro to <asm/asm.h>
Instead of open-coding the __ex_table information at each callsite, construct a common macro that can work regardless of CPU size. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
-rw-r--r--include/asm-x86/asm.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-x86/asm.h b/include/asm-x86/asm.h
index 1a6980a60fc..90dec0c2364 100644
--- a/include/asm-x86/asm.h
+++ b/include/asm-x86/asm.h
@@ -29,4 +29,11 @@
#endif /* CONFIG_X86_32 */
+/* Exception table entry */
+# define _ASM_EXTABLE(from,to) \
+ " .section __ex_table,\"a\"\n" \
+ _ASM_ALIGN "\n" \
+ _ASM_PTR #from "," #to "\n" \
+ " .previous\n"
+
#endif /* _ASM_X86_ASM_H */