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[05/24] ARM64:UAPI: Set the correct __BITS_PER_LONG for ILP32

Message ID 1409779158-30963-6-git-send-email-apinski@cavium.com
State New
Headers show

Commit Message

Andrew Pinski Sept. 3, 2014, 9:18 p.m. UTC
We need to say to the userland API that bits per long is 32bits for ILP32.

Signed-off-by: Andrew Pinski <apinski@cavium.com>
---
 arch/arm64/include/uapi/asm/bitsperlong.h |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
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Patch

diff --git a/arch/arm64/include/uapi/asm/bitsperlong.h b/arch/arm64/include/uapi/asm/bitsperlong.h
index fce9c29..bb716d0 100644
--- a/arch/arm64/include/uapi/asm/bitsperlong.h
+++ b/arch/arm64/include/uapi/asm/bitsperlong.h
@@ -16,7 +16,14 @@ 
 #ifndef __ASM_BITSPERLONG_H
 #define __ASM_BITSPERLONG_H
 
-#define __BITS_PER_LONG 64
+/* Assuming __LP64__ will be defined for native ELF64's and not for ILP32. */
+#ifdef __LP64__
+# define __BITS_PER_LONG 64
+#elif defined(__ILP32__)
+# define __BITS_PER_LONG 32
+#else
+# error "Unknown ABI; not ILP32 or LP64"
+#endif
 
 #include <asm-generic/bitsperlong.h>