diff options
| author | Andrew Pinski <apinski@cavium.com> | 2016-05-24 03:04:40 +0300 |
|---|---|---|
| committer | Christoph Muellner <christoph.muellner@theobroma-systems.com> | 2018-04-03 10:52:40 +0200 |
| commit | a67033d3c7c5fc8f5da77ac10fec53db3bba1d9c (patch) | |
| tree | bd675662ee3110c3ce4e381f5d231c0bb09dc651 | |
| parent | 30eb10d5692bb92d185875b1ebd3b8ee7a94ed76 (diff) | |
arm64:uapi: set __BITS_PER_LONG correctly for ILP32 and LP64
Define __BITS_PER_LONG depending on the ABI used (i.e. check whether
__ILP32__ or __LP64__ is defined). This is necessary for glibc to
determine the appropriate type definitions for the system call interface.
Signed-off-by: Andrew Pinski <apinski@cavium.com>
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
Reviewed-by: David Daney <ddaney@caviumnetworks.com>
| -rw-r--r-- | arch/arm64/include/uapi/asm/bitsperlong.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm64/include/uapi/asm/bitsperlong.h b/arch/arm64/include/uapi/asm/bitsperlong.h index 485d60bee26c..9a05a9659e76 100644 --- a/arch/arm64/include/uapi/asm/bitsperlong.h +++ b/arch/arm64/include/uapi/asm/bitsperlong.h @@ -17,7 +17,14 @@ #ifndef __ASM_BITSPERLONG_H #define __ASM_BITSPERLONG_H -#define __BITS_PER_LONG 64 +#if defined(__LP64__) +/* Assuming __LP64__ will be defined for native ELF64's and not for ILP32. */ +# define __BITS_PER_LONG 64 +#elif defined(__ILP32__) +# define __BITS_PER_LONG 32 +#else +# error "Neither LP64 nor ILP32: unsupported ABI in asm/bitsperlong.h" +#endif #include <asm-generic/bitsperlong.h> |