Merge pull request #1528 from antonio-nino-diaz-arm/an/libc

libc: Cleanup library

include/lib/libc/aarch32/stddef_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SIZET_
+typedef unsigned int size_t;
+#define SIZET_
+#endif
+
+#ifndef _PTRDIFF_T
+typedef long ptrdiff_t;
+#define _PTRDIFF_T
+#endif

include/lib/libc/aarch32/stdint_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#define INT8_MAX  0x7F
+#define INT8_MIN  (-INT8_MAX - 1)
+#define UINT8_MAX 0xFFU
+
+#define INT16_MAX  0x7FFF
+#define INT16_MIN  (-INT16_MAX - 1)
+#define UINT16_MAX 0xFFFFU
+
+#define INT32_MAX  0x7FFFFFFF
+#define INT32_MIN  (-INT32_MAX - 1)
+#define UINT32_MAX 0xFFFFFFFFU
+
+#define INT64_MAX  0x7FFFFFFFFFFFFFFFLL
+#define INT64_MIN  (-INT64_MAX - 1LL)
+#define UINT64_MAX 0xFFFFFFFFFFFFFFFFULL
+
+#define INT_LEAST8_MIN  INT8_MIN
+#define INT_LEAST8_MAX  INT8_MAX
+#define UINT_LEAST8_MAX UINT8_MAX
+
+#define INT_LEAST16_MIN  INT16_MIN
+#define INT_LEAST16_MAX  INT16_MAX
+#define UINT_LEAST16_MAX UINT16_MAX
+
+#define INT_LEAST32_MIN  INT32_MIN
+#define INT_LEAST32_MAX  INT32_MAX
+#define UINT_LEAST32_MAX UINT32_MAX
+
+#define INT_LEAST64_MIN  INT64_MIN
+#define INT_LEAST64_MAX  INT64_MAX
+#define UINT_LEAST64_MAX UINT64_MAX
+
+#define INT_FAST8_MIN  INT32_MIN
+#define INT_FAST8_MAX  INT32_MAX
+#define UINT_FAST8_MAX UINT32_MAX
+
+#define INT_FAST16_MIN  INT32_MIN
+#define INT_FAST16_MAX  INT32_MAX
+#define UINT_FAST16_MAX UINT32_MAX
+
+#define INT_FAST32_MIN  INT32_MIN
+#define INT_FAST32_MAX  INT32_MAX
+#define UINT_FAST32_MAX UINT32_MAX
+
+#define INT_FAST64_MIN  INT64_MIN
+#define INT_FAST64_MAX  INT64_MAX
+#define UINT_FAST64_MAX UINT64_MAX
+
+#define INTPTR_MIN  INT32_MIN
+#define INTPTR_MAX  INT32_MAX
+#define UINTPTR_MAX UINT32_MAX
+
+#define INTMAX_MIN  INT64_MIN
+#define INTMAX_MAX  INT64_MAX
+#define UINTMAX_MAX UINT64_MAX
+
+#define PTRDIFF_MIN INT32_MIN
+#define PTRDIFF_MAX INT32_MAX
+
+#define SIZE_MAX UINT32_MAX
+
+#define INT8_C(x)  x
+#define INT16_C(x) x
+#define INT32_C(x) x
+#define INT64_C(x) x ## LL
+
+#define UINT8_C(x)  x
+#define UINT16_C(x) x
+#define UINT32_C(x) x ## U
+#define UINT64_C(x) x ## ULL
+
+#define INTMAX_C(x)  x ## LL
+#define UINTMAX_C(x) x ## ULL
+
+typedef signed char int8_t;
+typedef short int16_t;
+typedef int int32_t;
+typedef long long int64_t;
+
+typedef unsigned char uint8_t;
+typedef unsigned short uint16_t;
+typedef unsigned int uint32_t;
+typedef unsigned long long uint64_t;
+
+typedef signed char int8_least_t;
+typedef short int16_least_t;
+typedef int int32_least_t;
+typedef long long int64_least_t;
+
+typedef unsigned char uint8_least_t;
+typedef unsigned short uint16_least_t;
+typedef unsigned int uint32_least_t;
+typedef unsigned long long uint64_least_t;
+
+typedef int int8_fast_t;
+typedef int int16_fast_t;
+typedef int int32_fast_t;
+typedef long long int64_fast_t;
+
+typedef unsigned int uint8_fast_t;
+typedef unsigned int uint16_fast_t;
+typedef unsigned int uint32_fast_t;
+typedef unsigned long long uint64_fast_t;
+
+typedef long intptr_t;
+typedef unsigned long uintptr_t;
+
+typedef long long intmax_t;
+typedef unsigned long long uintmax_t;
+
+typedef long register_t;
+typedef unsigned long u_register_t;

include/lib/libc/aarch32/stdio_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SIZET_
+typedef unsigned int size_t;
+#define SIZET_
+#endif
+
+#ifndef SSIZET_
+typedef int ssize_t;
+#define SSIZET_
+#endif

include/lib/libc/aarch32/stdlib_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SIZET_
+typedef unsigned int size_t;
+#define SIZET_
+#endif
+
+#define EXIT_FAILURE 1
+#define EXIT_SUCCESS 0

include/lib/libc/aarch32/string_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SIZET_
+typedef unsigned int size_t;
+#define SIZET_
+#endif

include/lib/libc/aarch32/time_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SIZET_
+typedef unsigned int size_t;
+#define SIZET_
+#endif
+
+typedef long int time_t;

include/lib/libc/machine/endian.h → include/lib/libc/aarch64/endian_.h

 /*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
  * Copyright (c) 2001 David E. O'Brien
  *
  * Redistribution and use in source and binary forms, with or without
@@ -30,14 +32,14 @@
  * $FreeBSD$
  */
 /*
- * Portions copyright (c) 2017, ARM Limited and Contributors.
+ * Portions copyright (c) 2018, ARM Limited and Contributors.
  * All rights reserved.
  */
 
-#ifndef _MACHINE_ENDIAN_H_
-#define	_MACHINE_ENDIAN_H_
+#ifndef AARCH64_ENDIAN_H
+#define AARCH64_ENDIAN_H
 
-#include <sys/_types.h>
+#include <stdint.h>
 
 /*
  * Definitions for byte order, according to byte significance from low
@@ -63,80 +65,38 @@
 #define	__htonl(x)        (__bswap32(x))
 #define	__htons(x)        (__bswap16(x))
 
-#ifdef AARCH32
-static __inline __uint64_t
-__bswap64(__uint64_t _x)
-{
-
-	return ((_x >> 56) | ((_x >> 40) & 0xff00) | ((_x >> 24) & 0xff0000) |
-	    ((_x >> 8) & 0xff000000) | ((_x << 8) & ((__uint64_t)0xff << 32)) |
-	    ((_x << 24) & ((__uint64_t)0xff << 40)) |
-	    ((_x << 40) & ((__uint64_t)0xff << 48)) | ((_x << 56)));
-}
-
-static __inline __uint32_t
-__bswap32_var(__uint32_t v)
-{
-	__uint32_t t1;
-
-	__asm __volatile("eor %1, %0, %0, ror #16\n"
-			"bic %1, %1, #0x00ff0000\n"
-			"mov %0, %0, ror #8\n"
-			"eor %0, %0, %1, lsr #8\n"
-			 : "+r" (v), "=r" (t1));
-
-	return (v);
-}
-
-static __inline __uint16_t
-__bswap16_var(__uint16_t v)
-{
-	__uint32_t ret = v & 0xffff;
-
-	__asm __volatile(
-	    "mov    %0, %0, ror #8\n"
-	    "orr    %0, %0, %0, lsr #16\n"
-	    "bic    %0, %0, %0, lsl #16"
-	    : "+r" (ret));
-
-	return ((__uint16_t)ret);
-}
-#elif defined AARCH64
-static __inline __uint64_t
-__bswap64(__uint64_t x)
+static __inline uint64_t
+__bswap64(uint64_t x)
 {
-	__uint64_t ret;
+	uint64_t ret;
 
 	__asm __volatile("rev %0, %1\n"
 			 : "=&r" (ret), "+r" (x));
-	
+
 	return (ret);
 }
 
-static __inline __uint32_t
-__bswap32_var(__uint32_t v)
+static __inline uint32_t
+__bswap32_var(uint32_t v)
 {
-	__uint32_t ret;
+	uint32_t ret;
 
 	__asm __volatile("rev32 %x0, %x1\n"
 			 : "=&r" (ret), "+r" (v));
-	
+
 	return (ret);
 }
 
-static __inline __uint16_t
-__bswap16_var(__uint16_t v)
+static __inline uint16_t
+__bswap16_var(uint16_t v)
 {
-	__uint32_t ret;
+	uint32_t ret;
 
 	__asm __volatile("rev16 %w0, %w1\n"
 			 : "=&r" (ret), "+r" (v));
 
-	return ((__uint16_t)ret);
-}		
-#else
-#error "Only AArch32 or AArch64 supported"
-#endif /* AARCH32 */
+	return ((uint16_t)ret);
+}
 
 #ifdef __OPTIMIZE__
 
@@ -151,13 +111,13 @@ __bswap16_var(__uint16_t v)
      (((x) & 0x00ff) << 8))
 
 #define	__bswap16(x)	\
-    ((__uint16_t)(__builtin_constant_p(x) ?	\
-     __bswap16_constant(x) :			\
+    ((uint16_t)(__builtin_constant_p(x) ?	\
+     __bswap16_constant((uint16_t)(x)) :	\
      __bswap16_var(x)))
 
 #define	__bswap32(x)	\
-    ((__uint32_t)(__builtin_constant_p(x) ? 	\
-     __bswap32_constant(x) :			\
+    ((uint32_t)(__builtin_constant_p(x) ? 	\
+     __bswap32_constant((uint32_t)(x)) :	\
      __bswap32_var(x)))
 
 #else
@@ -165,4 +125,4 @@ __bswap16_var(__uint16_t v)
 #define	__bswap32(x)	__bswap32_var(x)
 
 #endif /* __OPTIMIZE__ */
-#endif /* !_MACHINE_ENDIAN_H_ */
+#endif /* AARCH64_ENDIAN_H */

include/lib/libc/aarch64/limits_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#define SCHAR_MAX  0x7F
+#define SCHAR_MIN  (-SCHAR_MIN - 1)
+#define CHAR_MAX   0x7F
+#define CHAR_MIN   (-CHAR_MAX - 1)
+#define UCHAR_MAX  0xFFU
+#define SHRT_MAX   0x7FFF
+#define SHRT_MIN   (-SHRT_MAX - 1)
+#define USHRT_MAX  0xFFFFU
+#define INT_MAX    0x7FFFFFFF
+#define INT_MIN    (-INT_MAX - 1)
+#define UINT_MAX   0xFFFFFFFFU
+#define LONG_MAX   0x7FFFFFFFFFFFFFFFL
+#define LONG_MIN   (-LONG_MAX - 1L)
+#define ULONG_MAX  0xFFFFFFFFFFFFFFFFUL
+#define LLONG_MAX  0x7FFFFFFFFFFFFFFFLL
+#define LLONG_MIN  (-LLONG_MAX - 1LL)
+#define ULLONG_MAX 0xFFFFFFFFFFFFFFFFULL
+
+#define __LONG_BIT 64
+#define __WORD_BIT 32

include/lib/libc/aarch64/stddef_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SIZET_
+typedef unsigned long size_t;
+#define SIZET_
+#endif
+
+#ifndef _PTRDIFF_T
+typedef long ptrdiff_t;
+#define _PTRDIFF_T
+#endif

include/lib/libc/aarch64/stdint_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#define INT8_MAX  0x7F
+#define INT8_MIN  (-INT8_MAX - 1)
+#define UINT8_MAX 0xFFU
+
+#define INT16_MAX  0x7FFF
+#define INT16_MIN  (-INT16_MAX - 1)
+#define UINT16_MAX 0xFFFFU
+
+#define INT32_MAX  0x7FFFFFFF
+#define INT32_MIN  (-INT32_MAX - 1)
+#define UINT32_MAX 0xFFFFFFFFU
+
+#define INT64_MAX  0x7FFFFFFFFFFFFFFFLL
+#define INT64_MIN  (-INT64_MAX - 1LL)
+#define UINT64_MAX 0xFFFFFFFFFFFFFFFFULL
+
+#define INT_LEAST8_MIN  INT8_MIN
+#define INT_LEAST8_MAX  INT8_MAX
+#define UINT_LEAST8_MAX UINT8_MAX
+
+#define INT_LEAST16_MIN  INT16_MIN
+#define INT_LEAST16_MAX  INT16_MAX
+#define UINT_LEAST16_MAX UINT16_MAX
+
+#define INT_LEAST32_MIN  INT32_MIN
+#define INT_LEAST32_MAX  INT32_MAX
+#define UINT_LEAST32_MAX UINT32_MAX
+
+#define INT_LEAST64_MIN  INT64_MIN
+#define INT_LEAST64_MAX  INT64_MAX
+#define UINT_LEAST64_MAX UINT64_MAX
+
+#define INT_FAST8_MIN  INT32_MIN
+#define INT_FAST8_MAX  INT32_MAX
+#define UINT_FAST8_MAX UINT32_MAX
+
+#define INT_FAST16_MIN  INT32_MIN
+#define INT_FAST16_MAX  INT32_MAX
+#define UINT_FAST16_MAX UINT32_MAX
+
+#define INT_FAST32_MIN  INT32_MIN
+#define INT_FAST32_MAX  INT32_MAX
+#define UINT_FAST32_MAX UINT32_MAX
+
+#define INT_FAST64_MIN  INT64_MIN
+#define INT_FAST64_MAX  INT64_MAX
+#define UINT_FAST64_MAX UINT64_MAX
+
+#define INTPTR_MIN  INT64_MIN
+#define INTPTR_MAX  INT64_MAX
+#define UINTPTR_MAX UINT64_MAX
+
+#define INTMAX_MIN  INT64_MIN
+#define INTMAX_MAX  INT64_MAX
+#define UINTMAX_MAX UINT64_MAX
+
+#define PTRDIFF_MIN INT64_MIN
+#define PTRDIFF_MAX INT64_MAX
+
+#define SIZE_MAX UINT64_MAX
+
+#define INT8_C(x)  x
+#define INT16_C(x) x
+#define INT32_C(x) x
+#define INT64_C(x) x ## LL
+
+#define UINT8_C(x)  x
+#define UINT16_C(x) x
+#define UINT32_C(x) x ## U
+#define UINT64_C(x) x ## ULL
+
+#define INTMAX_C(x)  x ## L
+#define UINTMAX_C(x) x ## ULL
+
+typedef signed char int8_t;
+typedef short int16_t;
+typedef int int32_t;
+typedef long long int64_t;
+
+typedef unsigned char uint8_t;
+typedef unsigned short uint16_t;
+typedef unsigned int uint32_t;
+typedef unsigned long long uint64_t;
+
+typedef signed char int8_least_t;
+typedef short int16_least_t;
+typedef int int32_least_t;
+typedef long long int64_least_t;
+
+typedef unsigned char uint8_least_t;
+typedef unsigned short uint16_least_t;
+typedef unsigned int uint32_least_t;
+typedef unsigned long long uint64_least_t;
+
+typedef int int8_fast_t;
+typedef int int16_fast_t;
+typedef int int32_fast_t;
+typedef long long int64_fast_t;
+
+typedef unsigned int uint8_fast_t;
+typedef unsigned int uint16_fast_t;
+typedef unsigned int uint32_fast_t;
+typedef unsigned long long uint64_fast_t;
+
+typedef long intptr_t;
+typedef unsigned long uintptr_t;
+
+typedef long intmax_t;
+typedef unsigned long uintmax_t;
+
+typedef long register_t;
+typedef unsigned long u_register_t;

include/lib/libc/aarch64/stdio_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SIZET_
+typedef unsigned long size_t;
+#define SIZET_
+#endif
+
+#ifndef SSIZET_
+typedef long ssize_t;
+#define SSIZET_
+#endif

include/lib/libc/aarch64/stdlib_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SIZET_
+typedef unsigned long size_t;
+#define SIZET_
+#endif
+
+#define EXIT_FAILURE 1
+#define EXIT_SUCCESS 0

include/lib/libc/aarch64/string_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SIZET_
+typedef unsigned long size_t;
+#define SIZET_
+#endif

include/lib/libc/aarch64/time_.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SIZET_
+typedef unsigned long size_t;
+#define SIZET_
+#endif
+
+typedef long int time_t;

include/lib/libc/assert.h

-/*-
- * Copyright (c) 1992, 1993
- *	The Regents of the University of California.  All rights reserved.
- * (c) UNIX System Laboratories, Inc.
- * All or some portions of this file are derived from material licensed
- * to the University of California by American Telephone and Telegraph
- * Co. or Unix System Laboratories, Inc. and are reproduced herein with
- * the permission of UNIX System Laboratories, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- *	@(#)assert.h	8.2 (Berkeley) 1/21/94
- * $FreeBSD$
- */
 /*
- * Portions copyright (c) 2017, ARM Limited and Contributors.
- * All rights reserved.
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#ifndef _ASSERT_H_
-#define _ASSERT_H_
+#ifndef ASSERT_H
+#define ASSERT_H
 
+#include <cdefs.h>
 #include <debug.h>
 #include <platform_def.h>
-#include <sys/cdefs.h>
 
 #ifndef PLAT_LOG_LEVEL_ASSERT
 #define PLAT_LOG_LEVEL_ASSERT	LOG_LEVEL
 #endif
 
 #if ENABLE_ASSERTIONS
-#define	_assert(e)	assert(e)
 # if PLAT_LOG_LEVEL_ASSERT >= LOG_LEVEL_VERBOSE
-#  define	assert(e)	((e) ? (void)0 : __assert(__FILE__, __LINE__, #e))
+#  define assert(e)	((e) ? (void)0 : __assert(__FILE__, __LINE__, #e))
 # elif PLAT_LOG_LEVEL_ASSERT >= LOG_LEVEL_INFO
-#  define	assert(e)	((e) ? (void)0 : __assert(__FILE__, __LINE__))
+#  define assert(e)	((e) ? (void)0 : __assert(__FILE__, __LINE__))
 # else
-#  define	assert(e)	((e) ? (void)0 : __assert())
+#  define assert(e)	((e) ? (void)0 : __assert())
 # endif
 #else
-#define	assert(e)	((void)0)
-#define	_assert(e)	((void)0)
+#define assert(e)	((void)0)
 #endif /* ENABLE_ASSERTIONS */
 
-__BEGIN_DECLS
 #if PLAT_LOG_LEVEL_ASSERT >= LOG_LEVEL_VERBOSE
-void __assert(const char *, unsigned int, const char *) __dead2;
+__dead2 void __assert(const char *file, unsigned int line,
+		      const char *assertion);
 #elif PLAT_LOG_LEVEL_ASSERT >= LOG_LEVEL_INFO
-void __assert(const char *, unsigned int) __dead2;
+__dead2 void __assert(const char *file, unsigned int line);
 #else
-void __assert(void) __dead2;
+__dead2 void __assert(void);
 #endif
-__END_DECLS
 
-#endif /* !_ASSERT_H_ */
+#endif /* ASSERT_H */

include/lib/libc/cdefs.h

+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CDEFS_H
+#define CDEFS_H
+
+#define __dead2		__attribute__((__noreturn__))
+#define __deprecated	__attribute__((__deprecated__))
+#define __packed	__attribute__((__packed__))
+#define __used		__attribute__((__used__))
+#define __unused	__attribute__((__unused__))
+#define __aligned(x)	__attribute__((__aligned__(x)))
+#define __section(x)	__attribute__((__section__(x)))
+
+#define __printflike(fmtarg, firstvararg) \
+		__attribute__((__format__ (__printf__, fmtarg, firstvararg)))
+
+#define __weak_reference(sym, alias)	\
+	__asm__(".weak alias");		\
+	__asm__(".equ alias, sym")
+
+#define __STRING(x)	#x
+#define __XSTRING(x)	__STRING(x)
+
+#endif /* CDEFS_H */

include/lib/libc/sys/endian.h → include/lib/libc/endian.h

 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org>
  * All rights reserved.
  *
@@ -25,34 +27,18 @@
  *
  * $FreeBSD$
  */
+/*
+ * Portions copyright (c) 2018, ARM Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef ENDIAN_H
+#define ENDIAN_H
+
+#include <cdefs.h>
+#include <stdint.h>
+#include <endian_.h>
 
-#ifndef _SYS_ENDIAN_H_
-#define _SYS_ENDIAN_H_
-
-#include <sys/cdefs.h>
-#include <sys/_types.h>
-#include <machine/endian.h>
-
-#ifndef _UINT8_T_DECLARED
-typedef	__uint8_t	uint8_t;
-#define	_UINT8_T_DECLARED
-#endif
- 
-#ifndef _UINT16_T_DECLARED
-typedef	__uint16_t	uint16_t;
-#define	_UINT16_T_DECLARED
-#endif
- 
-#ifndef _UINT32_T_DECLARED
-typedef	__uint32_t	uint32_t;
-#define	_UINT32_T_DECLARED
-#endif
- 
-#ifndef _UINT64_T_DECLARED
-typedef	__uint64_t	uint64_t;
-#define	_UINT64_T_DECLARED
-#endif
- 
 /*
  * General byte order swapping functions.
  */
@@ -202,4 +188,4 @@ le64enc(void *pp, uint64_t u)
 	le32enc(p + 4, (uint32_t)(u >> 32));
 }
 
-#endif	/* _SYS_ENDIAN_H_ */
+#endif /* SYS_ENDIAN_H */

include/lib/libc/sys/errno.h → include/lib/libc/errno.h

 /*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
  * Copyright (c) 1982, 1986, 1989, 1993
  *	The Regents of the University of California.  All rights reserved.
  * (c) UNIX System Laboratories, Inc.
@@ -15,7 +17,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -34,17 +36,13 @@
  *	@(#)errno.h	8.5 (Berkeley) 1/21/94
  * $FreeBSD$
  */
+/*
+ * Portions copyright (c) 2018, ARM Limited and Contributors.
+ * All rights reserved.
+ */
 
-#ifndef _SYS_ERRNO_H_
-#define _SYS_ERRNO_H_
-
-#ifndef _KERNEL
-#include <sys/cdefs.h>
-__BEGIN_DECLS
-int *	__error(void);
-__END_DECLS
-#define	errno		(* __error())
-#endif
+#ifndef ERRNO_H
+#define ERRNO_H
 
 #define	EPERM		1		/* Operation not permitted */
 #define	ENOENT		2		/* No such file or directory */
@@ -61,9 +59,7 @@ __END_DECLS
 #define	ENOMEM		12		/* Cannot allocate memory */
 #define	EACCES		13		/* Permission denied */
 #define	EFAULT		14		/* Bad address */
-#ifndef _POSIX_SOURCE
 #define	ENOTBLK		15		/* Block device required */
-#endif
 #define	EBUSY		16		/* Device busy */
 #define	EEXIST		17		/* File exists */
 #define	EXDEV		18		/* Cross-device link */
@@ -74,9 +70,7 @@ __END_DECLS
 #define	ENFILE		23		/* Too many open files in system */
 #define	EMFILE		24		/* Too many open files */
 #define	ENOTTY		25		/* Inappropriate ioctl for device */
-#ifndef _POSIX_SOURCE
 #define	ETXTBSY		26		/* Text file busy */
-#endif
 #define	EFBIG		27		/* File too large */
 #define	ENOSPC		28		/* No space left on device */
 #define	ESPIPE		29		/* Illegal seek */
@@ -90,7 +84,6 @@ __END_DECLS
 
 /* non-blocking and interrupt i/o */
 #define	EAGAIN		35		/* Resource temporarily unavailable */
-#ifndef _POSIX_SOURCE
 #define	EWOULDBLOCK	EAGAIN		/* Operation would block */
 #define	EINPROGRESS	36		/* Operation now in progress */
 #define	EALREADY	37		/* Operation already in progress */
@@ -125,18 +118,14 @@ __END_DECLS
 #define	ECONNREFUSED	61		/* Connection refused */
 
 #define	ELOOP		62		/* Too many levels of symbolic links */
-#endif /* _POSIX_SOURCE */
 #define	ENAMETOOLONG	63		/* File name too long */
 
 /* should be rearranged */
-#ifndef _POSIX_SOURCE
 #define	EHOSTDOWN	64		/* Host is down */
 #define	EHOSTUNREACH	65		/* No route to host */
-#endif /* _POSIX_SOURCE */
 #define	ENOTEMPTY	66		/* Directory not empty */
 
 /* quotas & mush */
-#ifndef _POSIX_SOURCE
 #define	EPROCLIM	67		/* Too many processes */
 #define	EUSERS		68		/* Too many users */
 #define	EDQUOT		69		/* Disc quota exceeded */
@@ -149,12 +138,10 @@ __END_DECLS
 #define	EPROGUNAVAIL	74		/* RPC prog. not avail */
 #define	EPROGMISMATCH	75		/* Program version wrong */
 #define	EPROCUNAVAIL	76		/* Bad procedure for program */
-#endif /* _POSIX_SOURCE */
 
 #define	ENOLCK		77		/* No locks available */
 #define	ENOSYS		78		/* Function not implemented */
 
-#ifndef _POSIX_SOURCE
 #define	EFTYPE		79		/* Inappropriate file type or format */
 #define	EAUTH		80		/* Authentication error */
 #define	ENEEDAUTH	81		/* Need authenticator */
@@ -166,28 +153,17 @@ __END_DECLS
 #define	ENOATTR		87		/* Attribute not found */
 
 #define	EDOOFUS		88		/* Programming error */
-#endif /* _POSIX_SOURCE */
 
 #define	EBADMSG		89		/* Bad message */
 #define	EMULTIHOP	90		/* Multihop attempted */
 #define	ENOLINK		91		/* Link has been severed */
 #define	EPROTO		92		/* Protocol error */
 
-#ifndef _POSIX_SOURCE
 #define	ENOTCAPABLE	93		/* Capabilities insufficient */
 #define	ECAPMODE	94		/* Not permitted in capability mode */
-#endif /* _POSIX_SOURCE */
-
-#ifndef _POSIX_SOURCE
-#define	ELAST		94		/* Must be equal largest errno */
-#endif /* _POSIX_SOURCE */
+#define	ENOTRECOVERABLE	95		/* State not recoverable */
+#define	EOWNERDEAD	96		/* Previous owner died */
 
-#ifdef _KERNEL
-/* pseudo-errors returned inside kernel to modify return to process */
-#define	ERESTART	(-1)		/* restart syscall */
-#define	EJUSTRETURN	(-2)		/* don't modify regs, just return */
-#define	ENOIOCTL	(-3)		/* ioctl not handled by this layer */
-#define	EDIRIOCTL	(-4)		/* do direct ioctl in GEOM */
-#endif
+#define	ELAST		96		/* Must be equal largest errno */
 
-#endif
+#endif /* ERRNO_H */

include/lib/libc/inttypes.h

-/*-
- * Copyright (c) 2001 Mike Barcroft <mike@FreeBSD.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#ifndef _INTTYPES_H_
-#define	_INTTYPES_H_
-
-#include <machine/_inttypes.h>
-#include <sys/stdint.h>
-
-typedef struct {
-	intmax_t	quot;		/* Quotient. */
-	intmax_t	rem;		/* Remainder. */
-} imaxdiv_t;
-
-__BEGIN_DECLS
-#ifdef _XLOCALE_H_
-#include <xlocale/_inttypes.h>
-#endif
-intmax_t	imaxabs(intmax_t) __pure2;
-imaxdiv_t	imaxdiv(intmax_t, intmax_t) __pure2;
-
-intmax_t	strtoimax(const char *__restrict, char **__restrict, int);
-uintmax_t	strtoumax(const char *__restrict, char **__restrict, int);
-
-__END_DECLS
-
-#endif /* !_INTTYPES_H_ */

include/lib/libc/limits.h

+/*
+ * Copyright (c) 2012-2017 Roberto E. Vargas Caballero
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/*
+ * Portions copyright (c) 2018, ARM Limited and Contributors.
+ * All rights reserved.
+ */
+
+#ifndef LIMITS_H
+#define LIMITS_H
+
+#include <limits_.h>
+
+#define CHAR_BIT   8
+#define MB_LEN_MAX 1
+
+#endif /* LIMITS_H */