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authorYuval Adam <_@yuv.al>2017-08-30 08:25:59 +0000
committerYuval Adam <_@yuv.al>2017-08-30 08:25:59 +0000
commit8e4bff4cab0ddac6060645b0715210484d02ff40 (patch)
tree3a5c3024371a04692a3a6d9974d001cdff8ebf84 /include/uapi/asm-generic/swab.h
Initial file dump from open source releaseHEADmaster
Diffstat (limited to 'include/uapi/asm-generic/swab.h')
-rw-r--r--include/uapi/asm-generic/swab.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/uapi/asm-generic/swab.h b/include/uapi/asm-generic/swab.h
new file mode 100644
index 00000000..a8e9029d
--- /dev/null
+++ b/include/uapi/asm-generic/swab.h
@@ -0,0 +1,18 @@
+#ifndef _ASM_GENERIC_SWAB_H
+#define _ASM_GENERIC_SWAB_H
+
+#include <asm/bitsperlong.h>
+
+/*
+ * 32 bit architectures typically (but not always) want to
+ * set __SWAB_64_THRU_32__. In user space, this is only
+ * valid if the compiler supports 64 bit data types.
+ */
+
+#if __BITS_PER_LONG == 32
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+#define __SWAB_64_THRU_32__
+#endif
+#endif
+
+#endif /* _ASM_GENERIC_SWAB_H */