linux-stable/include/uapi/linux/byteorder/big_endian.h
Ismael Luceno cb8747b7d2 uapi: Fix undefined __always_inline on non-glibc systems
This macro is defined by glibc itself, which makes the issue go unnoticed on
those systems.  On non-glibc systems it causes build failures on several
utilities and libraries, like bpftool and objtool.

Fixes: 1d509f2a6e ("x86/insn: Support big endian cross-compiles")
Fixes: 2d7ce0e8a7 ("tools/virtio: more stubs")
Fixes: 3fb321fde2 ("selftests/net: ipv6 flowlabel")
Fixes: 50b3ed57de ("selftests/bpf: test bpf flow dissection")
Fixes: 9cacf81f81 ("bpf: Remove extra lock_sock for TCP_ZEROCOPY_RECEIVE")
Fixes: a4b2061242 ("tools include uapi: Grab a copy of linux/in.h")
Fixes: b12d6ec097 ("bpf: btf: add btf print functionality")
Fixes: c0dd967818 ("tools, include: Grab a copy of linux/erspan.h")
Fixes: c4b6014e8b ("tools: Add copy of perf_event.h to tools/include/linux/")

Signed-off-by: Ismael Luceno <ismael@iodev.co.uk>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20211115134647.1921-1-ismael@iodev.co.uk
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
2021-12-21 15:09:46 -08:00

107 lines
3.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_LINUX_BYTEORDER_BIG_ENDIAN_H
#define _UAPI_LINUX_BYTEORDER_BIG_ENDIAN_H
#ifndef __BIG_ENDIAN
#define __BIG_ENDIAN 4321
#endif
#ifndef __BIG_ENDIAN_BITFIELD
#define __BIG_ENDIAN_BITFIELD
#endif
#include <linux/stddef.h>
#include <linux/types.h>
#include <linux/swab.h>
#define __constant_htonl(x) ((__force __be32)(__u32)(x))
#define __constant_ntohl(x) ((__force __u32)(__be32)(x))
#define __constant_htons(x) ((__force __be16)(__u16)(x))
#define __constant_ntohs(x) ((__force __u16)(__be16)(x))
#define __constant_cpu_to_le64(x) ((__force __le64)___constant_swab64((x)))
#define __constant_le64_to_cpu(x) ___constant_swab64((__force __u64)(__le64)(x))
#define __constant_cpu_to_le32(x) ((__force __le32)___constant_swab32((x)))
#define __constant_le32_to_cpu(x) ___constant_swab32((__force __u32)(__le32)(x))
#define __constant_cpu_to_le16(x) ((__force __le16)___constant_swab16((x)))
#define __constant_le16_to_cpu(x) ___constant_swab16((__force __u16)(__le16)(x))
#define __constant_cpu_to_be64(x) ((__force __be64)(__u64)(x))
#define __constant_be64_to_cpu(x) ((__force __u64)(__be64)(x))
#define __constant_cpu_to_be32(x) ((__force __be32)(__u32)(x))
#define __constant_be32_to_cpu(x) ((__force __u32)(__be32)(x))
#define __constant_cpu_to_be16(x) ((__force __be16)(__u16)(x))
#define __constant_be16_to_cpu(x) ((__force __u16)(__be16)(x))
#define __cpu_to_le64(x) ((__force __le64)__swab64((x)))
#define __le64_to_cpu(x) __swab64((__force __u64)(__le64)(x))
#define __cpu_to_le32(x) ((__force __le32)__swab32((x)))
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
#define __cpu_to_le16(x) ((__force __le16)__swab16((x)))
#define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
#define __cpu_to_be64(x) ((__force __be64)(__u64)(x))
#define __be64_to_cpu(x) ((__force __u64)(__be64)(x))
#define __cpu_to_be32(x) ((__force __be32)(__u32)(x))
#define __be32_to_cpu(x) ((__force __u32)(__be32)(x))
#define __cpu_to_be16(x) ((__force __be16)(__u16)(x))
#define __be16_to_cpu(x) ((__force __u16)(__be16)(x))
static __always_inline __le64 __cpu_to_le64p(const __u64 *p)
{
return (__force __le64)__swab64p(p);
}
static __always_inline __u64 __le64_to_cpup(const __le64 *p)
{
return __swab64p((__u64 *)p);
}
static __always_inline __le32 __cpu_to_le32p(const __u32 *p)
{
return (__force __le32)__swab32p(p);
}
static __always_inline __u32 __le32_to_cpup(const __le32 *p)
{
return __swab32p((__u32 *)p);
}
static __always_inline __le16 __cpu_to_le16p(const __u16 *p)
{
return (__force __le16)__swab16p(p);
}
static __always_inline __u16 __le16_to_cpup(const __le16 *p)
{
return __swab16p((__u16 *)p);
}
static __always_inline __be64 __cpu_to_be64p(const __u64 *p)
{
return (__force __be64)*p;
}
static __always_inline __u64 __be64_to_cpup(const __be64 *p)
{
return (__force __u64)*p;
}
static __always_inline __be32 __cpu_to_be32p(const __u32 *p)
{
return (__force __be32)*p;
}
static __always_inline __u32 __be32_to_cpup(const __be32 *p)
{
return (__force __u32)*p;
}
static __always_inline __be16 __cpu_to_be16p(const __u16 *p)
{
return (__force __be16)*p;
}
static __always_inline __u16 __be16_to_cpup(const __be16 *p)
{
return (__force __u16)*p;
}
#define __cpu_to_le64s(x) __swab64s((x))
#define __le64_to_cpus(x) __swab64s((x))
#define __cpu_to_le32s(x) __swab32s((x))
#define __le32_to_cpus(x) __swab32s((x))
#define __cpu_to_le16s(x) __swab16s((x))
#define __le16_to_cpus(x) __swab16s((x))
#define __cpu_to_be64s(x) do { (void)(x); } while (0)
#define __be64_to_cpus(x) do { (void)(x); } while (0)
#define __cpu_to_be32s(x) do { (void)(x); } while (0)
#define __be32_to_cpus(x) do { (void)(x); } while (0)
#define __cpu_to_be16s(x) do { (void)(x); } while (0)
#define __be16_to_cpus(x) do { (void)(x); } while (0)
#endif /* _UAPI_LINUX_BYTEORDER_BIG_ENDIAN_H */