+2019-10-01 Zack Weinberg <zackw@panix.com>
+ Alistair Francis <alistair.francis@wdc.com>
+
+ * string/endian.h: Unconditionally define LITTLE_ENDIAN,
+ BIG_ENDIAN, PDP_ENDIAN, and BYTE_ORDER. Condition byteswapping
+ macros only on !__ASSEMBLER__. Move the definitions of
+ __BIG_ENDIAN, __LITTLE_ENDIAN, __PDP_ENDIAN, __FLOAT_WORD_ORDER,
+ and __LONG_LONG_PAIR to...
+ * string/bits/endian.h: ...this new file, which includes
+ the renamed header bits/endianness.h for the definition of
+ __BYTE_ORDER and possibly __FLOAT_WORD_ORDER.
+
+ * string/Makefile: Install bits/endianness.h.
+ * include/bits/endian.h: New wrapper.
+
+ * bits/endian.h: Rename to bits/endianness.h.
+ Add multiple-include guard. Rewrite the comment explaining what
+ the machine-specific variants of this file should do.
+
+ * sysdeps/unix/sysv/linux/ia64/bits/endian.h:
+ Move to sysdeps/ia64.
+
+ * sysdeps/aarch64/bits/endian.h
+ * sysdeps/alpha/bits/endian.h
+ * sysdeps/arm/bits/endian.h
+ * sysdeps/csky/bits/endian.h
+ * sysdeps/hppa/bits/endian.h
+ * sysdeps/ia64/bits/endian.h
+ * sysdeps/m68k/bits/endian.h
+ * sysdeps/microblaze/bits/endian.h
+ * sysdeps/mips/bits/endian.h
+ * sysdeps/nios2/bits/endian.h
+ * sysdeps/powerpc/bits/endian.h
+ * sysdeps/riscv/bits/endian.h
+ * sysdeps/s390/bits/endian.h
+ * sysdeps/sh/bits/endian.h
+ * sysdeps/sparc/bits/endian.h
+ * sysdeps/x86/bits/endian.h:
+ Rename to endianness.h; canonicalize form of file; remove
+ redundant definitions of __FLOAT_WORD_ORDER.
+
+ * sysdeps/powerpc/bits/endianness.h: Remove logic to check for
+ broken compilers.
+
+ * ctype/ctype.h
+ * sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h
+ * sysdeps/arm/nptl/bits/pthreadtypes-arch.h
+ * sysdeps/csky/nptl/bits/pthreadtypes-arch.h
+ * sysdeps/ia64/ieee754.h
+ * sysdeps/ieee754/ieee754.h
+ * sysdeps/ieee754/ldbl-128/ieee754.h
+ * sysdeps/ieee754/ldbl-128ibm/ieee754.h
+ * sysdeps/m68k/nptl/bits/pthreadtypes-arch.h
+ * sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h
+ * sysdeps/mips/ieee754/ieee754.h
+ * sysdeps/mips/nptl/bits/pthreadtypes-arch.h
+ * sysdeps/nios2/nptl/bits/pthreadtypes-arch.h
+ * sysdeps/nptl/pthread.h
+ * sysdeps/riscv/nptl/bits/pthreadtypes-arch.h
+ * sysdeps/sh/nptl/bits/pthreadtypes-arch.h
+ * sysdeps/sparc/sparc32/ieee754.h
+ * sysdeps/unix/sysv/linux/generic/bits/stat.h
+ * sysdeps/unix/sysv/linux/generic/bits/statfs.h
+ * sysdeps/unix/sysv/linux/sys/acct.h
+ * wctype/bits/wctype-wchar.h:
+ Include bits/endian.h, not endian.h.
+
+ * sysdeps/unix/sysv/linux/hppa/pthread.h: Don’t include endian.h.
+
+ * sysdeps/mips/ieee754/ieee754.h: Use __LDBL_MANT_DIG__
+ in ifdefs, instead of LDBL_MANT_DIG. Only include float.h
+ when __LDBL_MANT_DIG__ is not predefined, in which case
+ define __LDBL_MANT_DIG__ to equal LDBL_MANT_DIG.
+
2019-09-17 Mike FABIAN <mfabian@redhat.com>
* localedata/locales/az_AZ: Make lang_name agree with CLDR
endian). We define the bit value interpretations here dependent on the
machine's byte order. */
-# include <endian.h>
+# include <bits/endian.h>
# if __BYTE_ORDER == __BIG_ENDIAN
# define _ISbit(bit) (1 << (bit))
# else /* __BYTE_ORDER == __LITTLE_ENDIAN */
--- /dev/null
+#include <string/bits/endian.h>
headers := string.h bits/string_fortified.h \
strings.h bits/strings_fortified.h \
byteswap.h bits/byteswap.h \
- endian.h bits/endian.h bits/uintn-identity.h \
+ endian.h bits/endian.h bits/endianness.h \
+ bits/uintn-identity.h \
memory.h argz.h envz.h
routines := strcat strchr strcmp strcoll strcpy strcspn \
--- /dev/null
+/* Endian macros for string.h functions
+ Copyright (C) 1992-2019 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _BITS_ENDIAN_H
+#define _BITS_ENDIAN_H 1
+
+/* Definitions for byte order, according to significance of bytes,
+ from low addresses to high addresses. The value is what you get by
+ putting '4' in the most significant byte, '3' in the second most
+ significant byte, '2' in the second least significant byte, and '1'
+ in the least significant byte, and then writing down one digit for
+ each byte, starting with the byte at the lowest address at the left,
+ and proceeding to the byte with the highest address at the right. */
+
+#define __LITTLE_ENDIAN 1234
+#define __BIG_ENDIAN 4321
+#define __PDP_ENDIAN 3412
+
+/* This file defines `__BYTE_ORDER' for the particular machine. */
+#include <bits/endianness.h>
+
+/* Some machines may need to use a different endianness for floating point
+ values. */
+#ifndef __FLOAT_WORD_ORDER
+# define __FLOAT_WORD_ORDER __BYTE_ORDER
+#endif
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __LONG_LONG_PAIR(HI, LO) LO, HI
+#elif __BYTE_ORDER == __BIG_ENDIAN
+# define __LONG_LONG_PAIR(HI, LO) HI, LO
+#endif
+
+#endif /* bits/endian.h */
#include <features.h>
-/* Definitions for byte order, according to significance of bytes,
- from low addresses to high addresses. The value is what you get by
- putting '4' in the most significant byte, '3' in the second most
- significant byte, '2' in the second least significant byte, and '1'
- in the least significant byte, and then writing down one digit for
- each byte, starting with the byte at the lowest address at the left,
- and proceeding to the byte with the highest address at the right. */
-
-#define __LITTLE_ENDIAN 1234
-#define __BIG_ENDIAN 4321
-#define __PDP_ENDIAN 3412
-
-/* This file defines `__BYTE_ORDER' for the particular machine. */
+/* Get the definitions of __*_ENDIAN, __BYTE_ORDER, and __FLOAT_WORD_ORDER. */
#include <bits/endian.h>
-/* Some machines may need to use a different endianness for floating point
- values. */
-#ifndef __FLOAT_WORD_ORDER
-# define __FLOAT_WORD_ORDER __BYTE_ORDER
-#endif
-
-#ifdef __USE_MISC
-# define LITTLE_ENDIAN __LITTLE_ENDIAN
-# define BIG_ENDIAN __BIG_ENDIAN
-# define PDP_ENDIAN __PDP_ENDIAN
-# define BYTE_ORDER __BYTE_ORDER
-#endif
-
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-# define __LONG_LONG_PAIR(HI, LO) LO, HI
-#elif __BYTE_ORDER == __BIG_ENDIAN
-# define __LONG_LONG_PAIR(HI, LO) HI, LO
-#endif
-
+#define LITTLE_ENDIAN __LITTLE_ENDIAN
+#define BIG_ENDIAN __BIG_ENDIAN
+#define PDP_ENDIAN __PDP_ENDIAN
+#define BYTE_ORDER __BYTE_ORDER
-#if defined __USE_MISC && !defined __ASSEMBLER__
+#ifndef __ASSEMBLER__
/* Conversion interfaces. */
# include <bits/byteswap.h>
# include <bits/uintn-identity.h>
+++ /dev/null
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
-
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public License as
- published by the Free Software Foundation; either version 2.1 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- <https://www.gnu.org/licenses/>. */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* AArch64 can be either big or little endian. */
-#ifdef __AARCH64EB__
-# define __BYTE_ORDER __BIG_ENDIAN
-#else
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
-
-#define __FLOAT_WORD_ORDER __BYTE_ORDER
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* AArch64 has selectable endianness. */
+#ifdef __AARCH64EB__
+# define __BYTE_ORDER __BIG_ENDIAN
+#else
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
#ifndef _BITS_PTHREADTYPES_ARCH_H
#define _BITS_PTHREADTYPES_ARCH_H 1
-#include <endian.h>
+#include <bits/endian.h>
#ifdef __ILP32__
# define __SIZEOF_PTHREAD_ATTR_T 32
+++ /dev/null
-/* Alpha is little-endian. */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* Alpha is little-endian. */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
+++ /dev/null
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* ARM can be either big or little endian. */
-#ifdef __ARMEB__
-#define __BYTE_ORDER __BIG_ENDIAN
-#else
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* ARM has selectable endianness. */
+#ifdef __ARMEB__
+#define __BYTE_ORDER __BIG_ENDIAN
+#else
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
#ifndef _BITS_PTHREADTYPES_ARCH_H
#define _BITS_PTHREADTYPES_ARCH_H 1
-#include <endian.h>
+#include <bits/endian.h>
#define __SIZEOF_PTHREAD_ATTR_T 36
#define __SIZEOF_PTHREAD_MUTEX_T 24
+++ /dev/null
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#ifdef __CSKYBE__
-# error "Big endian not supported for C-SKY."
-#else
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+#ifdef __CSKYBE__
+# error "Big endian not supported for C-SKY."
+#else
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
#ifndef _BITS_PTHREADTYPES_ARCH_H
#define _BITS_PTHREADTYPES_ARCH_H 1
-#include <endian.h>
+#include <bits/endian.h>
#define __SIZEOF_PTHREAD_ATTR_T 36
#define __SIZEOF_PTHREAD_MUTEX_T 24
+++ /dev/null
-/* hppa1.1 big-endian. */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __BIG_ENDIAN
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* HP-PA is big-endian. */
+#define __BYTE_ORDER __BIG_ENDIAN
+
+#endif /* bits/endianness.h */
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* IA64 is little-endian. */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
<https://www.gnu.org/licenses/>. */
#ifndef _IEEE754_H
-
#define _IEEE754_H 1
+
#include <features.h>
-#include <endian.h>
+#include <bits/endian.h>
__BEGIN_DECLS
<https://www.gnu.org/licenses/>. */
#ifndef _IEEE754_H
-
#define _IEEE754_H 1
+
#include <features.h>
-#include <endian.h>
+#include <bits/endian.h>
__BEGIN_DECLS
<https://www.gnu.org/licenses/>. */
#ifndef _IEEE754_H
-
#define _IEEE754_H 1
+
#include <features.h>
-#include <endian.h>
+#include <bits/endian.h>
__BEGIN_DECLS
<https://www.gnu.org/licenses/>. */
#ifndef _IEEE754_H
-
#define _IEEE754_H 1
+
#include <features.h>
-#include <endian.h>
+#include <bits/endian.h>
__BEGIN_DECLS
+++ /dev/null
-/* m68k is big-endian. */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __BIG_ENDIAN
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* m68k is big-endian. */
+#define __BYTE_ORDER __BIG_ENDIAN
+
+#endif /* bits/endianness.h */
#ifndef _BITS_PTHREADTYPES_ARCH_H
#define _BITS_PTHREADTYPES_ARCH_H 1
-#include <endian.h>
+#include <bits/endian.h>
#define __SIZEOF_PTHREAD_ATTR_T 36
#define __SIZEOF_PTHREAD_MUTEX_T 24
+++ /dev/null
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
-
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public License as
- published by the Free Software Foundation; either version 2.1 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- <https://www.gnu.org/licenses/>. */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-/* MicroBlaze can be either big or little endian. */
-#ifdef _BIG_ENDIAN
-# define __BYTE_ORDER __BIG_ENDIAN
-# define __FLOAT_WORD_ORDER __BIG_ENDIAN
-#else
-# define __BYTE_ORDER __LITTLE_ENDIAN
-# define __FLOAT_WORD_ORDER __LITTLE_ENDIAN
-#endif
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* MicroBlaze has selectable endianness. */
+#ifdef _BIG_ENDIAN
+# define __BYTE_ORDER __BIG_ENDIAN
+#else
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
#ifndef _BITS_PTHREADTYPES_ARCH_H
# define _BITS_PTHREADTYPES_ARCH_H 1
-# include <endian.h>
+# include <bits/endian.h>
# define __SIZEOF_PTHREAD_ATTR_T 36
# define __SIZEOF_PTHREAD_MUTEX_T 24
+++ /dev/null
-/* The MIPS architecture has selectable endianness.
- It exists in both little and big endian flavours and we
- want to be able to share the installed header files between
- both, so we define __BYTE_ORDER based on GCC's predefines. */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#ifdef __MIPSEB
-# define __BYTE_ORDER __BIG_ENDIAN
-#endif
-#ifdef __MIPSEL
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* MIPS has selectable endianness. */
+#ifdef __MIPSEB
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+#ifdef __MIPSEL
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
<https://www.gnu.org/licenses/>. */
#ifndef _IEEE754_H
-
#define _IEEE754_H 1
+
#include <features.h>
-#include <endian.h>
+#include <bits/endian.h>
-#include <float.h>
+#ifndef __LDBL_MANT_DIG__
+# include <float.h>
+# define __LDBL_MANT_DIG__ __LDBL_MANT_DIG__
+#endif
__BEGIN_DECLS
#define IEEE754_DOUBLE_BIAS 0x3ff /* Added to exponent. */
-#if LDBL_MANT_DIG == 113
+#if __LDBL_MANT_DIG__ == 113
union ieee854_long_double
{
#define IEEE854_LONG_DOUBLE_BIAS 0x3fff /* Added to exponent. */
-#elif LDBL_MANT_DIG == 64
+#elif __LDBL_MANT_DIG__ == 64
union ieee854_long_double
{
#define IEEE854_LONG_DOUBLE_BIAS 0x3fff
-#elif LDBL_MANT_DIG == 53
+#elif __LDBL_MANT_DIG__ == 53
union ieee854_long_double
{
#define IEEE854_LONG_DOUBLE_BIAS 0x3ff /* Added to exponent. */
-#endif /* LDBL_MANT_DIG == 53 */
+#endif /* __LDBL_MANT_DIG__ == 53 */
__END_DECLS
#ifndef _BITS_PTHREADTYPES_ARCH_H
#define _BITS_PTHREADTYPES_ARCH_H 1
-#include <endian.h>
+#include <bits/endian.h>
#if _MIPS_SIM == _ABI64
# define __SIZEOF_PTHREAD_ATTR_T 56
+++ /dev/null
-/* The Nios II architecture has selectable endianness. */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#ifdef __nios2_big_endian__
-# define __BYTE_ORDER __BIG_ENDIAN
-#endif
-#ifdef __nios2_little_endian__
-# define __BYTE_ORDER __LITTLE_ENDIAN
-#endif
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* Nios II has selectable endianness. */
+#ifdef __nios2_big_endian__
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+#ifdef __nios2_little_endian__
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
#ifndef _BITS_PTHREADTYPES_ARCH_H
#define _BITS_PTHREADTYPES_ARCH_H 1
-#include <endian.h>
+#include <bits/endian.h>
#define __SIZEOF_PTHREAD_ATTR_T 36
#define __SIZEOF_PTHREAD_MUTEX_T 24
#define _PTHREAD_H 1
#include <features.h>
-#include <endian.h>
#include <sched.h>
#include <time.h>
+#include <bits/endian.h>
#include <bits/pthreadtypes.h>
#include <bits/setjmp.h>
#include <bits/wordsize.h>
+++ /dev/null
-/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
-
-/* PowerPC can be little or big endian. Hopefully gcc will know... */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
-# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
-# error Both BIG_ENDIAN and LITTLE_ENDIAN defined!
-# endif
-# define __BYTE_ORDER __BIG_ENDIAN
-#else
-# if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
-# define __BYTE_ORDER __LITTLE_ENDIAN
-# else
-# warning Cannot determine current byte order, assuming big-endian.
-# define __BYTE_ORDER __BIG_ENDIAN
-# endif
-#endif
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* PowerPC has selectable endianness. */
+#if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
+# define __BYTE_ORDER __BIG_ENDIAN
+#endif
+#if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
+++ /dev/null
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* RISC-V is little-endian. */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
#ifndef _BITS_PTHREADTYPES_ARCH_H
#define _BITS_PTHREADTYPES_ARCH_H 1
-#include <endian.h>
+#include <bits/endian.h>
#if __riscv_xlen == 64
# define __SIZEOF_PTHREAD_ATTR_T 56
+++ /dev/null
-/* s390 is big-endian */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __BIG_ENDIAN
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* S/390 is big-endian. */
+#define __BYTE_ORDER __BIG_ENDIAN
+
+#endif /* bits/endianness.h */
+++ /dev/null
-/* SH is bi-endian but with a big-endian FPU. */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#ifdef __LITTLE_ENDIAN__
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#define __FLOAT_WORD_ORDER __LITTLE_ENDIAN
-#else
-#define __BYTE_ORDER __BIG_ENDIAN
-#define __FLOAT_WORD_ORDER __BIG_ENDIAN
-#endif
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* SH has selectable endianness. */
+#ifdef __LITTLE_ENDIAN__
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#else
+#define __BYTE_ORDER __BIG_ENDIAN
+#endif
+
+#endif /* bits/endianness.h */
#ifndef _BITS_PTHREADTYPES_ARCH_H
#define _BITS_PTHREADTYPES_ARCH_H 1
-#include <endian.h>
+#include <bits/endian.h>
#define __SIZEOF_PTHREAD_ATTR_T 36
#define __SIZEOF_PTHREAD_MUTEX_T 24
-/* Sparc is big-endian, but v9 supports endian conversion on loads/stores
- and GCC supports such a mode. Be prepared. */
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
#endif
+/* Sparc is big-endian, but v9 supports endian conversion on loads/stores
+ and GCC supports such a mode. Be prepared. */
#ifdef __LITTLE_ENDIAN__
# define __BYTE_ORDER __LITTLE_ENDIAN
#else
# define __BYTE_ORDER __BIG_ENDIAN
#endif
+
+#endif /* bits/endianness.h */
<https://www.gnu.org/licenses/>. */
#ifndef _IEEE754_H
-
#define _IEEE754_H 1
+
#include <features.h>
-#include <endian.h>
+#include <bits/endian.h>
__BEGIN_DECLS
#ifndef _BITS_STAT_H
#define _BITS_STAT_H 1
-#include <endian.h>
+#include <bits/endian.h>
#include <bits/wordsize.h>
/* 64-bit libc uses the kernel's 'struct stat', accessed via the
# error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
#endif
-#include <endian.h>
+#include <bits/endian.h>
#include <bits/types.h>
#include <bits/wordsize.h>
#define _PTHREAD_H 1
#include <features.h>
-#include <endian.h>
#include <sched.h>
#include <time.h>
+++ /dev/null
-/* Linux/ia64 is little-endian. */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
#else
-#include <endian.h>
+#include <bits/endian.h>
/* Official HTM intrinsics interface matching GCC, but works
on older GCC compatible compilers and binutils.
#include <sys/types.h>
#include <stdint.h>
-#include <endian.h>
+#include <bits/endian.h>
#include <bits/types/time_t.h>
__BEGIN_DECLS
+++ /dev/null
-/* i386/x86_64 are little-endian. */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
--- /dev/null
+#ifndef _BITS_ENDIANNESS_H
+#define _BITS_ENDIANNESS_H 1
+
+#ifndef _BITS_ENDIAN_H
+# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
+#endif
+
+/* i386/x86_64 are little-endian. */
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+#endif /* bits/endianness.h */
endian). We define the bit value interpretations here dependent on the
machine's byte order. */
-# include <endian.h>
+# include <bits/endian.h>
# if __BYTE_ORDER == __BIG_ENDIAN
# define _ISwbit(bit) (1 << (bit))
# else /* __BYTE_ORDER == __LITTLE_ENDIAN */
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