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The following commit(s) were added to refs/heads/master by this push:
new 32d0c2ce9d libc: Add sys/endian.h to improve the compatiblity with
bionic libc
32d0c2ce9d is described below
commit 32d0c2ce9de22f6be4432168d896bf413700c263
Author: Xiang Xiao <[email protected]>
AuthorDate: Sun Jan 15 19:56:26 2023 +0800
libc: Add sys/endian.h to improve the compatiblity with bionic libc
and move the definition from endian.h to sys/endian.h
Signed-off-by: Xiang Xiao <[email protected]>
---
include/endian.h | 141 +--------------------------------------------
include/{ => sys}/endian.h | 8 +--
2 files changed, 5 insertions(+), 144 deletions(-)
diff --git a/include/endian.h b/include/endian.h
index a9050fa66b..a428cdb71f 100644
--- a/include/endian.h
+++ b/include/endian.h
@@ -25,145 +25,6 @@
* Included Files
****************************************************************************/
-#include <nuttx/config.h>
-#include <nuttx/compiler.h>
-#include <stdint.h>
-
-/****************************************************************************
- * Preprocessor definitions
- ****************************************************************************/
-
-/* The endian.h header must define at least the following macros for use in
- * determining host byte order for integer types:
- *
- * BYTE_ORDER This macro will have a value equal to one of the *_ENDIAN
- * macros in this header.
- * LITTLE_ENDIAN If BYTE_ORDER == LITTLE_ENDIAN, the host byte order is
- * from least significant to most significant.
- * BIG_ENDIAN If BYTE_ORDER == BIG_ENDIAN, the host byte order is from
- * most significant to least significant.
- */
-
-#define LITTLE_ENDIAN 1234
-#define __LITTLE_ENDIAN 1234
-#define BIG_ENDIAN 4321
-#define __BIG_ENDIAN 4321
-
-/* Common byte swapping macros */
-
-#ifdef CONFIG_HAVE_BUILTIN_BSWAP16
-# define __swap_uint16 __builtin_bswap16
-#else
-# define __swap_uint16(n) \
- (uint16_t)(((((uint16_t)(n)) & 0x00ff) << 8) | \
- ((((uint16_t)(n)) >> 8) & 0x00ff))
-#endif
-
-#ifdef CONFIG_HAVE_BUILTIN_BSWAP32
-# define __swap_uint32 __builtin_bswap32
-#else
-# define __swap_uint32(n) \
- (uint32_t)(((((uint32_t)(n)) & 0x000000ffUL) << 24) | \
- ((((uint32_t)(n)) & 0x0000ff00UL) << 8) | \
- ((((uint32_t)(n)) & 0x00ff0000UL) >> 8) | \
- ((((uint32_t)(n)) & 0xff000000UL) >> 24))
-#endif
-
-#ifdef CONFIG_HAVE_LONG_LONG
-# ifdef CONFIG_HAVE_BUILTIN_BSWAP64
-# define __swap_uint64 __builtin_bswap64
-# else
-# define __swap_uint64(n) \
- (uint64_t)(((((uint64_t)(n)) & 0x00000000000000ffULL) << 56) | \
- ((((uint64_t)(n)) & 0x000000000000ff00ULL) << 40) | \
- ((((uint64_t)(n)) & 0x0000000000ff0000ULL) << 24) | \
- ((((uint64_t)(n)) & 0x00000000ff000000ULL) << 8) | \
- ((((uint64_t)(n)) & 0x000000ff00000000ULL) >> 8) | \
- ((((uint64_t)(n)) & 0x0000ff0000000000ULL) >> 24) | \
- ((((uint64_t)(n)) & 0x00ff000000000000ULL) >> 40) | \
- ((((uint64_t)(n)) & 0xff00000000000000ULL) >> 56))
-# endif
-#endif
-
-/* Endian-specific definitions */
-
-#ifdef CONFIG_ENDIAN_BIG
-/* Big-endian byte order */
-
-# define BYTE_ORDER BIG_ENDIAN
-# define __BYTE_ORDER BIG_ENDIAN
-
-/* Big-endian byte order macros */
-
-# define htobe16(n) (n)
-# define htole16(n) __swap_uint16((uint16_t)n)
-# define be16toh(n) (n)
-# define le16toh(n) __swap_uint16((uint16_t)n)
-
-# define htobe32(n) (n)
-# define htole32(n) __swap_uint32((uint32_t)n)
-# define be32toh(n) (n)
-# define le32toh(n) __swap_uint32(n)
-
-# ifdef CONFIG_HAVE_LONG_LONG
-# define htobe64(n) (n)
-# define htole64(n) __swap_uint64((uint64_t)n)
-# define be64toh(n) (n)
-# define le64toh(n) __swap_uint64((uint64_t)n)
-# endif
-
-#else
-/* Little-endian byte order */
-
-# define BYTE_ORDER LITTLE_ENDIAN
-# define __BYTE_ORDER __LITTLE_ENDIAN
-
-/* Little-endian byte order macros */
-
-# define htobe16(n) __swap_uint16((uint16_t)n)
-# define htole16(n) (n)
-# define be16toh(n) __swap_uint16((uint16_t)n)
-# define le16toh(n) (n)
-
-# define htobe32(n) __swap_uint32((uint32_t)n)
-# define htole32(n) (n)
-# define be32toh(n) __swap_uint32((uint32_t)n)
-# define le32toh(n) (n)
-
-# ifdef CONFIG_HAVE_LONG_LONG
-# define htobe64(n) __swap_uint64((uint64_t)n)
-# define htole64(n) (n)
-# define be64toh(n) __swap_uint64((uint64_t)n)
-# define le64toh(n) (n)
-# endif
-#endif
-
-/* OpenBSD style */
-
-#define swap16 __swap_uint16
-#define swap32 __swap_uint32
-#define swap64 __swap_uint64
-
-#define betoh16 be16toh
-#define letoh16 le16toh
-#define bemtoh16(x) betoh16(*(FAR uint16_t *)(x))
-#define htobem16(x, v) (*(FAR uint16_t *)(x) = htobe16(v))
-#define lemtoh16(x) letoh16(*(FAR uint16_t *)(x))
-#define htolem16(x, v) (*(FAR uint16_t *)(x) = htole16(v))
-#define betoh32 be32toh
-#define letoh32 le32toh
-#define bemtoh32(x) htobe32(*(FAR uint32_t *)(x))
-#define htobem32(x, v) (*(FAR uint32_t *)(x) = htobe32(v))
-#define lemtoh32(x) letoh32(*(FAR uint32_t *)(x))
-#define htolem32(x, v) (*(FAR uint32_t *)(x) = htole32(v))
-
-#ifdef CONFIG_HAVE_LONG_LONG
-#define betoh64 be64toh
-#define letoh64 le64toh
-#define bemtoh64(x) htobe64(*(FAR uint64_t *)(x))
-#define htobem64(x, v) (*(FAR uint64_t *)(x) = htobe64(v))
-#define lemtoh64(x) letoh64(*(FAR uint64_t *)(x))
-#define htolem64(x, v) (*(FAR uint64_t *)(x) = htole64(v))
-#endif
+#include <sys/endian.h>
#endif /* __INCLUDE_ENDIAN_H */
diff --git a/include/endian.h b/include/sys/endian.h
similarity index 98%
copy from include/endian.h
copy to include/sys/endian.h
index a9050fa66b..4946a2e461 100644
--- a/include/endian.h
+++ b/include/sys/endian.h
@@ -1,5 +1,5 @@
/****************************************************************************
- * include/endian.h
+ * include/sys/endian.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
@@ -18,8 +18,8 @@
*
****************************************************************************/
-#ifndef __INCLUDE_ENDIAN_H
-#define __INCLUDE_ENDIAN_H
+#ifndef __INCLUDE_SYS_ENDIAN_H
+#define __INCLUDE_SYS_ENDIAN_H
/****************************************************************************
* Included Files
@@ -166,4 +166,4 @@
#define htolem64(x, v) (*(FAR uint64_t *)(x) = htole64(v))
#endif
-#endif /* __INCLUDE_ENDIAN_H */
+#endif /* __INCLUDE_SYS_ENDIAN_H */
