Thread (49 messages) 49 messages, 6 authors, 2014-07-01

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

From: catalin.marinas@arm.com (Catalin Marinas)
Date: 2014-06-17 15:22:54
Also in: lkml

On Sat, May 24, 2014 at 12:02:00AM -0700, Andrew Pinski wrote:
quoted hunk ↗ jump to hunk
diff --git a/arch/arm64/include/uapi/asm/bitsperlong.h b/arch/arm64/include/uapi/asm/bitsperlong.h
index fce9c29..5e06c59 100644
--- a/arch/arm64/include/uapi/asm/bitsperlong.h
+++ b/arch/arm64/include/uapi/asm/bitsperlong.h
@@ -16,7 +16,12 @@
 #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
+#else
+# define __BITS_PER_LONG 32
+#endif
I think it's enough to just define it for the __LP64__ case.
 #include <asm-generic/bitsperlong.h>
The asm-generic definition if 32 by default.

-- 
Catalin
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