]> git.ipfire.org Git - thirdparty/glibc.git/commitdiff
Split up endian.h to minimize exposure of BYTE_ORDER.
authorAlistair Francis <alistair.francis@wdc.com>
Fri, 20 Sep 2019 21:23:51 +0000 (14:23 -0700)
committerAlistair Francis <alistair.francis@wdc.com>
Tue, 1 Oct 2019 21:54:46 +0000 (14:54 -0700)
With only two exceptions (sys/types.h and sys/param.h, both of which
historically might have defined BYTE_ORDER) the public headers that
include <endian.h> only want to be able to test __BYTE_ORDER against
__*_ENDIAN.

This patch creates a new bits/endian.h that can be included by any
header that wants to be able to test __BYTE_ORDER and/or
__FLOAT_WORD_ORDER against the __*_ENDIAN constants, or needs
__LONG_LONG_PAIR.  It only defines macros in the implementation
namespace.

The existing bits/endian.h (which could not be included independently
of endian.h, and only defines __BYTE_ORDER and maybe __FLOAT_WORD_ORDER)
is renamed to bits/endianness.h.  I also took the opportunity to
canonicalize the form of this header, which we are stuck with having
one copy of per architecture.  Since they are so short, this means git
doesn’t understand that they were renamed from existing headers, sigh.

endian.h itself is a nonstandard header and its only remaining use
from a standard header is guarded by __USE_MISC, so I dropped the
__USE_MISC conditionals from around all of the public-namespace things
it defines.  (This means, an application that requests strict library
conformance but includes endian.h will still see the definition of
BYTE_ORDER.)

A few changes to specific bits/endian(ness).h variants deserve
mention:

 - sysdeps/unix/sysv/linux/ia64/bits/endian.h is moved to
   sysdeps/ia64/bits/endianness.h.  If I remember correctly, ia64 did
   have selectable endianness, but we have assembly code in
   sysdeps/ia64 that assumes it’s little-endian, so there is no reason
   to treat the ia64 endianness.h as linux-specific.

 - The C-SKY port does not fully support big-endian mode, the compile
   will error out if __CSKYBE__ is defined.

 - The PowerPC port had extra logic in its bits/endian.h to detect a
   broken compiler, which strikes me as unnecessary, so I removed it.

 - The only files that defined __FLOAT_WORD_ORDER always defined it to
   the same value as __BYTE_ORDER, so I removed those definitions.
   The SH bits/endian(ness).h had comments inconsistent with the
   actual setting of __FLOAT_WORD_ORDER, which I also removed.

 - I *removed* copyright boilerplate from the few bits/endian(ness).h
   headers that had it; these files record a single fact in a fashion
   dictated by an external spec, so I do not think they are copyrightable.

As long as I was changing every copy of ieee754.h in the tree, I
noticed that only the MIPS variant includes float.h, because it uses
LDBL_MANT_DIG to decide among three different versions of
ieee854_long_double.  This patch makes it not include float.h when
GCC’s intrinsic __LDBL_MANT_DIG__ is available.

* 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.

59 files changed:
ChangeLog
ctype/ctype.h
include/bits/endian.h [new file with mode: 0644]
string/Makefile
string/bits/endian.h [new file with mode: 0644]
string/endian.h
sysdeps/aarch64/bits/endian.h [deleted file]
sysdeps/aarch64/bits/endianness.h [new file with mode: 0644]
sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h
sysdeps/alpha/bits/endian.h [deleted file]
sysdeps/alpha/bits/endianness.h [new file with mode: 0644]
sysdeps/arm/bits/endian.h [deleted file]
sysdeps/arm/bits/endianness.h [new file with mode: 0644]
sysdeps/arm/nptl/bits/pthreadtypes-arch.h
sysdeps/csky/bits/endian.h [deleted file]
sysdeps/csky/bits/endianness.h [new file with mode: 0644]
sysdeps/csky/nptl/bits/pthreadtypes-arch.h
sysdeps/hppa/bits/endian.h [deleted file]
sysdeps/hppa/bits/endianness.h [new file with mode: 0644]
sysdeps/ia64/bits/endianness.h [new file with mode: 0644]
sysdeps/ia64/ieee754.h
sysdeps/ieee754/ieee754.h
sysdeps/ieee754/ldbl-128/ieee754.h
sysdeps/ieee754/ldbl-128ibm/ieee754.h
sysdeps/m68k/bits/endian.h [deleted file]
sysdeps/m68k/bits/endianness.h [new file with mode: 0644]
sysdeps/m68k/nptl/bits/pthreadtypes-arch.h
sysdeps/microblaze/bits/endian.h [deleted file]
sysdeps/microblaze/bits/endianness.h [new file with mode: 0644]
sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h
sysdeps/mips/bits/endian.h [deleted file]
sysdeps/mips/bits/endianness.h [new file with mode: 0644]
sysdeps/mips/ieee754/ieee754.h
sysdeps/mips/nptl/bits/pthreadtypes-arch.h
sysdeps/nios2/bits/endian.h [deleted file]
sysdeps/nios2/bits/endianness.h [new file with mode: 0644]
sysdeps/nios2/nptl/bits/pthreadtypes-arch.h
sysdeps/nptl/pthread.h
sysdeps/powerpc/bits/endian.h [deleted file]
sysdeps/powerpc/bits/endianness.h [new file with mode: 0644]
sysdeps/riscv/bits/endian.h [deleted file]
sysdeps/riscv/bits/endianness.h [new file with mode: 0644]
sysdeps/riscv/nptl/bits/pthreadtypes-arch.h
sysdeps/s390/bits/endian.h [deleted file]
sysdeps/s390/bits/endianness.h [new file with mode: 0644]
sysdeps/sh/bits/endian.h [deleted file]
sysdeps/sh/bits/endianness.h [new file with mode: 0644]
sysdeps/sh/nptl/bits/pthreadtypes-arch.h
sysdeps/sparc/bits/endianness.h [moved from sysdeps/sparc/bits/endian.h with 56% similarity]
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/hppa/pthread.h
sysdeps/unix/sysv/linux/ia64/bits/endian.h [deleted file]
sysdeps/unix/sysv/linux/powerpc/htm.h
sysdeps/unix/sysv/linux/sys/acct.h
sysdeps/x86/bits/endian.h [deleted file]
sysdeps/x86/bits/endianness.h [new file with mode: 0644]
wctype/bits/wctype-wchar.h

index e5ec6891dd6d65e96c72467a66f45ab6b201ef0d..17ff0ade2cd8e0aa44d76826920d7e2520a57cfc 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,77 @@
+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
index 35efe0d2cf58e271cc90a2253c925328460a1649..d17f727cf0dc2a0f6c62fa50aff799b175dcb426 100644 (file)
@@ -36,7 +36,7 @@ __BEGIN_DECLS
    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 */
diff --git a/include/bits/endian.h b/include/bits/endian.h
new file mode 100644 (file)
index 0000000..ad614f1
--- /dev/null
@@ -0,0 +1 @@
+#include <string/bits/endian.h>
index 52fe28207c1adf7f8aab8d559a9bb76d706a6360..f01b34509aada1bf878be6a64b0cfa54544c98c2 100644 (file)
@@ -25,7 +25,8 @@ include ../Makeconfig
 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          \
diff --git a/string/bits/endian.h b/string/bits/endian.h
new file mode 100644 (file)
index 0000000..2217990
--- /dev/null
@@ -0,0 +1,49 @@
+/* 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 */
index 17e4e893fb5fb5fcea552a232c2507592e9ecf34..0eb534e434ba933ca5124be3038f44cce7627f34 100644 (file)
 
 #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>
diff --git a/sysdeps/aarch64/bits/endian.h b/sysdeps/aarch64/bits/endian.h
deleted file mode 100644 (file)
index 03801d3..0000000
+++ /dev/null
@@ -1,30 +0,0 @@
-/* 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
diff --git a/sysdeps/aarch64/bits/endianness.h b/sysdeps/aarch64/bits/endianness.h
new file mode 100644 (file)
index 0000000..300ebc8
--- /dev/null
@@ -0,0 +1,15 @@
+#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 */
index 4cf3a689274e2ce178cd6d93150b3b8418e6fbf6..758b127a1a0174eb06b67fb4d208ad33a756ec91 100644 (file)
@@ -19,7 +19,7 @@
 #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
diff --git a/sysdeps/alpha/bits/endian.h b/sysdeps/alpha/bits/endian.h
deleted file mode 100644 (file)
index 8a16e14..0000000
+++ /dev/null
@@ -1,7 +0,0 @@
-/* Alpha is little-endian.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/sysdeps/alpha/bits/endianness.h b/sysdeps/alpha/bits/endianness.h
new file mode 100644 (file)
index 0000000..69f9a14
--- /dev/null
@@ -0,0 +1,11 @@
+#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 */
diff --git a/sysdeps/arm/bits/endian.h b/sysdeps/arm/bits/endian.h
deleted file mode 100644 (file)
index f49f6ab..0000000
+++ /dev/null
@@ -1,10 +0,0 @@
-#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
diff --git a/sysdeps/arm/bits/endianness.h b/sysdeps/arm/bits/endianness.h
new file mode 100644 (file)
index 0000000..2d671ff
--- /dev/null
@@ -0,0 +1,15 @@
+#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 */
index 70419c99f64ea2584a094864d4bf93b7ef2b0033..78b37eb5b89db5ae7f82dd5eb2ca9abadcbbc67a 100644 (file)
@@ -18,7 +18,7 @@
 #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
diff --git a/sysdeps/csky/bits/endian.h b/sysdeps/csky/bits/endian.h
deleted file mode 100644 (file)
index 51df38d..0000000
+++ /dev/null
@@ -1,9 +0,0 @@
-#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
diff --git a/sysdeps/csky/bits/endianness.h b/sysdeps/csky/bits/endianness.h
new file mode 100644 (file)
index 0000000..ad20cf6
--- /dev/null
@@ -0,0 +1,14 @@
+#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 */
index 5260c58d37c50843f190133943263f3b52ee93b0..58be51dcfd0311d9a5881ce9245ba62b7c318685 100644 (file)
@@ -19,7 +19,7 @@
 #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
diff --git a/sysdeps/hppa/bits/endian.h b/sysdeps/hppa/bits/endian.h
deleted file mode 100644 (file)
index 585db0c..0000000
+++ /dev/null
@@ -1,7 +0,0 @@
-/* hppa1.1 big-endian.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/sysdeps/hppa/bits/endianness.h b/sysdeps/hppa/bits/endianness.h
new file mode 100644 (file)
index 0000000..96fd5ae
--- /dev/null
@@ -0,0 +1,11 @@
+#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 */
diff --git a/sysdeps/ia64/bits/endianness.h b/sysdeps/ia64/bits/endianness.h
new file mode 100644 (file)
index 0000000..70c211e
--- /dev/null
@@ -0,0 +1,11 @@
+#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 */
index 21c4149ba22ecd59d977808b2b942828bd9c1fdf..610631a71df4688f001509d50fce163d8e78ffa2 100644 (file)
    <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
index 581fe5c9dedfe75991d78358e0131f1bbed4058e..7605d0d321796e1171e68885c00c95877135081d 100644 (file)
    <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
index 87dc1d781dcf2089088832e0e9b6e2dbdb9defa4..47f11d8a6b7206e00af465eeba1b104a96042fa5 100644 (file)
    <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
index 35f22895e6b774d56d61531449384b489da9193e..606b4c7d8a6639a367fc22e6dc5f224892a01aaa 100644 (file)
    <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
diff --git a/sysdeps/m68k/bits/endian.h b/sysdeps/m68k/bits/endian.h
deleted file mode 100644 (file)
index bf4ecb6..0000000
+++ /dev/null
@@ -1,7 +0,0 @@
-/* m68k is big-endian.  */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/sysdeps/m68k/bits/endianness.h b/sysdeps/m68k/bits/endianness.h
new file mode 100644 (file)
index 0000000..7e5f0d2
--- /dev/null
@@ -0,0 +1,11 @@
+#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 */
index 81990763999fd5c3e5c7b28ff98cf52486dfe86e..792cb3228968502e2640601a9c8b27dc9dfc0de4 100644 (file)
@@ -19,7 +19,7 @@
 #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
diff --git a/sysdeps/microblaze/bits/endian.h b/sysdeps/microblaze/bits/endian.h
deleted file mode 100644 (file)
index 6e961a5..0000000
+++ /dev/null
@@ -1,30 +0,0 @@
-/* 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
diff --git a/sysdeps/microblaze/bits/endianness.h b/sysdeps/microblaze/bits/endianness.h
new file mode 100644 (file)
index 0000000..c4bb7e5
--- /dev/null
@@ -0,0 +1,15 @@
+#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 */
index b1ae4aacdb1a387bafbda29f02e5f0c6a0afbcd1..7cf1ff6a725d5fa4b6759832f215b9f570e3d192 100644 (file)
@@ -19,7 +19,7 @@
 #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
diff --git a/sysdeps/mips/bits/endian.h b/sysdeps/mips/bits/endian.h
deleted file mode 100644 (file)
index 1260597..0000000
+++ /dev/null
@@ -1,15 +0,0 @@
-/* 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
diff --git a/sysdeps/mips/bits/endianness.h b/sysdeps/mips/bits/endianness.h
new file mode 100644 (file)
index 0000000..09e138b
--- /dev/null
@@ -0,0 +1,16 @@
+#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 */
index ebaf8d84c3930a8e8abfe8911d821dd9ea821c77..250fa5e8c08f8b03b946ce2c5e1644c3115bcbab 100644 (file)
    <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
 
@@ -127,7 +130,7 @@ union ieee754_double
 
 #define IEEE754_DOUBLE_BIAS    0x3ff /* Added to exponent.  */
 
-#if LDBL_MANT_DIG == 113
+#if __LDBL_MANT_DIG__ == 113
 
 union ieee854_long_double
   {
@@ -184,7 +187,7 @@ 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
   {
@@ -253,7 +256,7 @@ union ieee854_long_double
 
 #define IEEE854_LONG_DOUBLE_BIAS 0x3fff
 
-#elif LDBL_MANT_DIG == 53
+#elif __LDBL_MANT_DIG__ == 53
 
 union ieee854_long_double
   {
@@ -316,7 +319,7 @@ 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
 
index b32e888ea53ac9d3a91f444974b6041b85cc96b7..0bb703511c6e14744df4cdba20833df3787f5cc6 100644 (file)
@@ -19,7 +19,7 @@
 #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
diff --git a/sysdeps/nios2/bits/endian.h b/sysdeps/nios2/bits/endian.h
deleted file mode 100644 (file)
index 164f9e4..0000000
+++ /dev/null
@@ -1,12 +0,0 @@
-/* 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
diff --git a/sysdeps/nios2/bits/endianness.h b/sysdeps/nios2/bits/endianness.h
new file mode 100644 (file)
index 0000000..87e66eb
--- /dev/null
@@ -0,0 +1,16 @@
+#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 */
index 8cd8bbedafdf1857edc22fff54b668904b84e56e..dcd3499a8618253682b7c74a1ee93d62ddfb7bcc 100644 (file)
@@ -19,7 +19,7 @@
 #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
index ceb724d3a24cf6a3a92c25c01e034b3215faf261..467b446aca5a2acf6d4ae6dc1d75dc69edb71bef 100644 (file)
 #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>
diff --git a/sysdeps/powerpc/bits/endian.h b/sysdeps/powerpc/bits/endian.h
deleted file mode 100644 (file)
index c82f7ad..0000000
+++ /dev/null
@@ -1,36 +0,0 @@
-/* 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
diff --git a/sysdeps/powerpc/bits/endianness.h b/sysdeps/powerpc/bits/endianness.h
new file mode 100644 (file)
index 0000000..3e77352
--- /dev/null
@@ -0,0 +1,16 @@
+#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 */
diff --git a/sysdeps/riscv/bits/endian.h b/sysdeps/riscv/bits/endian.h
deleted file mode 100644 (file)
index 4aaf559..0000000
+++ /dev/null
@@ -1,5 +0,0 @@
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __LITTLE_ENDIAN
diff --git a/sysdeps/riscv/bits/endianness.h b/sysdeps/riscv/bits/endianness.h
new file mode 100644 (file)
index 0000000..952d085
--- /dev/null
@@ -0,0 +1,11 @@
+#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 */
index 583443954e430bafab882463feb348d5e3bc3adf..33f0ee43fe9c0268ffe5ff0b19d52df1ccce5331 100644 (file)
@@ -19,7 +19,7 @@
 #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
diff --git a/sysdeps/s390/bits/endian.h b/sysdeps/s390/bits/endian.h
deleted file mode 100644 (file)
index ac27f01..0000000
+++ /dev/null
@@ -1,7 +0,0 @@
-/* s390 is big-endian */
-
-#ifndef _ENDIAN_H
-# error "Never use <bits/endian.h> directly; include <endian.h> instead."
-#endif
-
-#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/sysdeps/s390/bits/endianness.h b/sysdeps/s390/bits/endianness.h
new file mode 100644 (file)
index 0000000..c2d34e1
--- /dev/null
@@ -0,0 +1,11 @@
+#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 */
diff --git a/sysdeps/sh/bits/endian.h b/sysdeps/sh/bits/endian.h
deleted file mode 100644 (file)
index 1fef1ff..0000000
+++ /dev/null
@@ -1,13 +0,0 @@
-/* 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
diff --git a/sysdeps/sh/bits/endianness.h b/sysdeps/sh/bits/endianness.h
new file mode 100644 (file)
index 0000000..45c7c83
--- /dev/null
@@ -0,0 +1,15 @@
+#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 */
index 6c9485d989d7ecdb853f90b118cd2e7a93431acf..219a8613987307d843a54ee9f00bacc42ced62bc 100644 (file)
@@ -18,7 +18,7 @@
 #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
similarity index 56%
rename from sysdeps/sparc/bits/endian.h
rename to sysdeps/sparc/bits/endianness.h
index 8acfdf5df6f365113f34284040f855aa84d62d3a..0b6f5bf8b23d307d4655d939d6b714ca6df6a5d6 100644 (file)
@@ -1,12 +1,16 @@
-/* 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 */
index 87dc1d781dcf2089088832e0e9b6e2dbdb9defa4..47f11d8a6b7206e00af465eeba1b104a96042fa5 100644 (file)
    <https://www.gnu.org/licenses/>.  */
 
 #ifndef _IEEE754_H
-
 #define _IEEE754_H 1
+
 #include <features.h>
 
-#include <endian.h>
+#include <bits/endian.h>
 
 __BEGIN_DECLS
 
index 62aeea5a88de7772bb68aac3ac2d3e5ded7e66e0..1565f3f82486207714b84fc7890d64365fece6d5 100644 (file)
@@ -23,7 +23,7 @@
 #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
index 3472084ade050cbdc84ab0482cb9b33f82cd2151..c4069aba620570abe840ec378d7a3ca83af72ce8 100644 (file)
@@ -20,7 +20,7 @@
 # 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>
 
index e168901ba05e39f9c0a02d23dd202e5d7f7f7cf1..424135c800d49d19b317f0fdf791b7abb16729fb 100644 (file)
@@ -19,7 +19,6 @@
 #define _PTHREAD_H     1
 
 #include <features.h>
-#include <endian.h>
 #include <sched.h>
 #include <time.h>
 
diff --git a/sysdeps/unix/sysv/linux/ia64/bits/endian.h b/sysdeps/unix/sysv/linux/ia64/bits/endian.h
deleted file mode 100644 (file)
index 98a5e23..0000000
+++ /dev/null
@@ -1,7 +0,0 @@
-/* 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
index 75e3eb0397b5f106019a197bfc9e500ca620ddf2..f17d7510130a98831625ea7374540aaee3c98235 100644 (file)
@@ -50,7 +50,7 @@
 
 #else
 
-#include <endian.h>
+#include <bits/endian.h>
 
 /* Official HTM intrinsics interface matching GCC, but works
    on older GCC compatible compilers and binutils.
index 5db43fd675946b8830adeaaacd425c47e0b7f96f..1d2f22402afab7ec80a9b51725514cb6b2d634ab 100644 (file)
@@ -20,7 +20,7 @@
 
 #include <sys/types.h>
 #include <stdint.h>
-#include <endian.h>
+#include <bits/endian.h>
 #include <bits/types/time_t.h>
 
 __BEGIN_DECLS
diff --git a/sysdeps/x86/bits/endian.h b/sysdeps/x86/bits/endian.h
deleted file mode 100644 (file)
index 5a56c72..0000000
+++ /dev/null
@@ -1,7 +0,0 @@
-/* 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
diff --git a/sysdeps/x86/bits/endianness.h b/sysdeps/x86/bits/endianness.h
new file mode 100644 (file)
index 0000000..962a9ae
--- /dev/null
@@ -0,0 +1,11 @@
+#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 */
index 7481f33a8cd4d707f79a28adc2bda60291f84ab5..f584669f3586b665ec6c812b451734bdcd216fbb 100644 (file)
@@ -42,7 +42,7 @@ typedef unsigned long int wctype_t;
    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 */