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samples: seccomp: Use __BYTE_ORDER__ 

Use the compiler-defined __BYTE_ORDER__ instead of the libc-defined
__BYTE_ORDER for consistency.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211026010831.748682-5-iii@linux.ibm.com
This commit is contained in:
Ilya Leoshkevich 2021-10-26 03:08:29 +02:00 committed by Andrii Nakryiko
parent 06fca841fb
commit 14e6cac771
1 changed files with 4 additions and 4 deletions
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8
samples/seccomp/bpf-helper.h
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@ -62,9 +62,9 @@ void seccomp_bpf_print(struct sock_filter *filter, size_t count);
#define EXPAND(...) __VA_ARGS__
/* Ensure that we load the logically correct offset. */
#if __BYTE_ORDER == __LITTLE_ENDIAN
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define LO_ARG(idx) offsetof(struct seccomp_data, args[(idx)])
#elif __BYTE_ORDER == __BIG_ENDIAN
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define LO_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) + sizeof(__u32)
#else
#error "Unknown endianness"
@ -85,10 +85,10 @@ void seccomp_bpf_print(struct sock_filter *filter, size_t count);
#elif __BITS_PER_LONG == 64
/* Ensure that we load the logically correct offset. */
#if __BYTE_ORDER == __LITTLE_ENDIAN
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define ENDIAN(_lo, _hi) _lo, _hi
#define HI_ARG(idx) offsetof(struct seccomp_data, args[(idx)]) + sizeof(__u32)
#elif __BYTE_ORDER == __BIG_ENDIAN
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define ENDIAN(_lo, _hi) _hi, _lo
#define HI_ARG(idx) offsetof(struct seccomp_data, args[(idx)])
#endif