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Split up endian.h to minimize exposure of BYTE_ORDER.
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.
This commit is contained in:
Alistair Francis
parent
8e42fc6811
commit
aa706e13f4
74
ChangeLog
74
ChangeLog
@ -1,3 +1,77 @@
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2019-10-01 Zack Weinberg <zackw@panix.com>
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Alistair Francis <alistair.francis@wdc.com>
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* string/endian.h: Unconditionally define LITTLE_ENDIAN,
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BIG_ENDIAN, PDP_ENDIAN, and BYTE_ORDER. Condition byteswapping
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macros only on !__ASSEMBLER__. Move the definitions of
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__BIG_ENDIAN, __LITTLE_ENDIAN, __PDP_ENDIAN, __FLOAT_WORD_ORDER,
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and __LONG_LONG_PAIR to...
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* string/bits/endian.h: ...this new file, which includes
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the renamed header bits/endianness.h for the definition of
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__BYTE_ORDER and possibly __FLOAT_WORD_ORDER.
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* string/Makefile: Install bits/endianness.h.
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* include/bits/endian.h: New wrapper.
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* bits/endian.h: Rename to bits/endianness.h.
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Add multiple-include guard. Rewrite the comment explaining what
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the machine-specific variants of this file should do.
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* sysdeps/unix/sysv/linux/ia64/bits/endian.h:
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Move to sysdeps/ia64.
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* sysdeps/aarch64/bits/endian.h
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* sysdeps/alpha/bits/endian.h
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* sysdeps/arm/bits/endian.h
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* sysdeps/csky/bits/endian.h
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* sysdeps/hppa/bits/endian.h
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* sysdeps/ia64/bits/endian.h
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* sysdeps/m68k/bits/endian.h
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* sysdeps/microblaze/bits/endian.h
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* sysdeps/mips/bits/endian.h
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* sysdeps/nios2/bits/endian.h
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* sysdeps/powerpc/bits/endian.h
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* sysdeps/riscv/bits/endian.h
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* sysdeps/s390/bits/endian.h
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* sysdeps/sh/bits/endian.h
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* sysdeps/sparc/bits/endian.h
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* sysdeps/x86/bits/endian.h:
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Rename to endianness.h; canonicalize form of file; remove
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redundant definitions of __FLOAT_WORD_ORDER.
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* sysdeps/powerpc/bits/endianness.h: Remove logic to check for
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broken compilers.
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* ctype/ctype.h
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* sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h
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* sysdeps/arm/nptl/bits/pthreadtypes-arch.h
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* sysdeps/csky/nptl/bits/pthreadtypes-arch.h
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* sysdeps/ia64/ieee754.h
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* sysdeps/ieee754/ieee754.h
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* sysdeps/ieee754/ldbl-128/ieee754.h
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* sysdeps/ieee754/ldbl-128ibm/ieee754.h
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* sysdeps/m68k/nptl/bits/pthreadtypes-arch.h
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* sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h
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* sysdeps/mips/ieee754/ieee754.h
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* sysdeps/mips/nptl/bits/pthreadtypes-arch.h
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* sysdeps/nios2/nptl/bits/pthreadtypes-arch.h
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* sysdeps/nptl/pthread.h
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* sysdeps/riscv/nptl/bits/pthreadtypes-arch.h
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* sysdeps/sh/nptl/bits/pthreadtypes-arch.h
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* sysdeps/sparc/sparc32/ieee754.h
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* sysdeps/unix/sysv/linux/generic/bits/stat.h
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* sysdeps/unix/sysv/linux/generic/bits/statfs.h
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* sysdeps/unix/sysv/linux/sys/acct.h
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* wctype/bits/wctype-wchar.h:
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Include bits/endian.h, not endian.h.
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* sysdeps/unix/sysv/linux/hppa/pthread.h: Don’t include endian.h.
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* sysdeps/mips/ieee754/ieee754.h: Use __LDBL_MANT_DIG__
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in ifdefs, instead of LDBL_MANT_DIG. Only include float.h
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when __LDBL_MANT_DIG__ is not predefined, in which case
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define __LDBL_MANT_DIG__ to equal LDBL_MANT_DIG.
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2019-09-17 Mike FABIAN <mfabian@redhat.com>
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* localedata/locales/az_AZ: Make lang_name agree with CLDR
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@ -36,7 +36,7 @@ __BEGIN_DECLS
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endian). We define the bit value interpretations here dependent on the
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machine's byte order. */
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# include <endian.h>
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# include <bits/endian.h>
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define _ISbit(bit) (1 << (bit))
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# else /* __BYTE_ORDER == __LITTLE_ENDIAN */
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1
include/bits/endian.h
Normal file
1
include/bits/endian.h
Normal file
@ -0,0 +1 @@
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#include <string/bits/endian.h>
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@ -25,7 +25,8 @@ include ../Makeconfig
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headers := string.h bits/string_fortified.h \
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strings.h bits/strings_fortified.h \
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byteswap.h bits/byteswap.h \
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endian.h bits/endian.h bits/uintn-identity.h \
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endian.h bits/endian.h bits/endianness.h \
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bits/uintn-identity.h \
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memory.h argz.h envz.h
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routines := strcat strchr strcmp strcoll strcpy strcspn \
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49
string/bits/endian.h
Normal file
49
string/bits/endian.h
Normal file
@ -0,0 +1,49 @@
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/* Endian macros for string.h functions
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Copyright (C) 1992-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _BITS_ENDIAN_H
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#define _BITS_ENDIAN_H 1
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/* Definitions for byte order, according to significance of bytes,
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from low addresses to high addresses. The value is what you get by
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putting '4' in the most significant byte, '3' in the second most
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significant byte, '2' in the second least significant byte, and '1'
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in the least significant byte, and then writing down one digit for
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each byte, starting with the byte at the lowest address at the left,
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and proceeding to the byte with the highest address at the right. */
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#define __LITTLE_ENDIAN 1234
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#define __BIG_ENDIAN 4321
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#define __PDP_ENDIAN 3412
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/* This file defines `__BYTE_ORDER' for the particular machine. */
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#include <bits/endianness.h>
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/* Some machines may need to use a different endianness for floating point
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values. */
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#ifndef __FLOAT_WORD_ORDER
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# define __FLOAT_WORD_ORDER __BYTE_ORDER
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#endif
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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# define __LONG_LONG_PAIR(HI, LO) LO, HI
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#elif __BYTE_ORDER == __BIG_ENDIAN
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# define __LONG_LONG_PAIR(HI, LO) HI, LO
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#endif
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#endif /* bits/endian.h */
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@ -20,42 +20,15 @@
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#include <features.h>
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/* Definitions for byte order, according to significance of bytes,
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from low addresses to high addresses. The value is what you get by
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putting '4' in the most significant byte, '3' in the second most
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significant byte, '2' in the second least significant byte, and '1'
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in the least significant byte, and then writing down one digit for
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each byte, starting with the byte at the lowest address at the left,
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and proceeding to the byte with the highest address at the right. */
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#define __LITTLE_ENDIAN 1234
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#define __BIG_ENDIAN 4321
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#define __PDP_ENDIAN 3412
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/* This file defines `__BYTE_ORDER' for the particular machine. */
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/* Get the definitions of __*_ENDIAN, __BYTE_ORDER, and __FLOAT_WORD_ORDER. */
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#include <bits/endian.h>
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/* Some machines may need to use a different endianness for floating point
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values. */
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#ifndef __FLOAT_WORD_ORDER
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# define __FLOAT_WORD_ORDER __BYTE_ORDER
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#endif
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#define LITTLE_ENDIAN __LITTLE_ENDIAN
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#define BIG_ENDIAN __BIG_ENDIAN
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#define PDP_ENDIAN __PDP_ENDIAN
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#define BYTE_ORDER __BYTE_ORDER
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#ifdef __USE_MISC
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# define LITTLE_ENDIAN __LITTLE_ENDIAN
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# define BIG_ENDIAN __BIG_ENDIAN
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# define PDP_ENDIAN __PDP_ENDIAN
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# define BYTE_ORDER __BYTE_ORDER
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#endif
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#if __BYTE_ORDER == __LITTLE_ENDIAN
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# define __LONG_LONG_PAIR(HI, LO) LO, HI
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#elif __BYTE_ORDER == __BIG_ENDIAN
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# define __LONG_LONG_PAIR(HI, LO) HI, LO
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#endif
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#if defined __USE_MISC && !defined __ASSEMBLER__
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#ifndef __ASSEMBLER__
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/* Conversion interfaces. */
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# include <bits/byteswap.h>
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# include <bits/uintn-identity.h>
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@ -1,30 +0,0 @@
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/* Copyright (C) 1997-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _ENDIAN_H
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# error "Never use <bits/endian.h> directly; include <endian.h> instead."
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#endif
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/* AArch64 can be either big or little endian. */
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#ifdef __AARCH64EB__
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# define __BYTE_ORDER __BIG_ENDIAN
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#else
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# define __BYTE_ORDER __LITTLE_ENDIAN
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#endif
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#define __FLOAT_WORD_ORDER __BYTE_ORDER
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15
sysdeps/aarch64/bits/endianness.h
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15
sysdeps/aarch64/bits/endianness.h
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@ -0,0 +1,15 @@
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#ifndef _BITS_ENDIANNESS_H
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#define _BITS_ENDIANNESS_H 1
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#ifndef _BITS_ENDIAN_H
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# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
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#endif
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/* AArch64 has selectable endianness. */
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#ifdef __AARCH64EB__
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# define __BYTE_ORDER __BIG_ENDIAN
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#else
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# define __BYTE_ORDER __LITTLE_ENDIAN
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#endif
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#endif /* bits/endianness.h */
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@ -19,7 +19,7 @@
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#ifndef _BITS_PTHREADTYPES_ARCH_H
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#define _BITS_PTHREADTYPES_ARCH_H 1
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#include <endian.h>
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#include <bits/endian.h>
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#ifdef __ILP32__
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# define __SIZEOF_PTHREAD_ATTR_T 32
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@ -1,7 +0,0 @@
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/* Alpha is little-endian. */
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#ifndef _ENDIAN_H
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# error "Never use <bits/endian.h> directly; include <endian.h> instead."
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#endif
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#define __BYTE_ORDER __LITTLE_ENDIAN
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11
sysdeps/alpha/bits/endianness.h
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11
sysdeps/alpha/bits/endianness.h
Normal file
@ -0,0 +1,11 @@
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#ifndef _BITS_ENDIANNESS_H
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#define _BITS_ENDIANNESS_H 1
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#ifndef _BITS_ENDIAN_H
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# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
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#endif
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/* Alpha is little-endian. */
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#endif /* bits/endianness.h */
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@ -1,10 +0,0 @@
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#ifndef _ENDIAN_H
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# error "Never use <bits/endian.h> directly; include <endian.h> instead."
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#endif
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/* ARM can be either big or little endian. */
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#ifdef __ARMEB__
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#define __BYTE_ORDER __BIG_ENDIAN
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#else
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#endif
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15
sysdeps/arm/bits/endianness.h
Normal file
15
sysdeps/arm/bits/endianness.h
Normal file
@ -0,0 +1,15 @@
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#ifndef _BITS_ENDIANNESS_H
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#define _BITS_ENDIANNESS_H 1
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#ifndef _BITS_ENDIAN_H
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# error "Never use <bits/endianness.h> directly; include <endian.h> instead."
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#endif
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/* ARM has selectable endianness. */
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#ifdef __ARMEB__
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#define __BYTE_ORDER __BIG_ENDIAN
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#else
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#endif
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#endif /* bits/endianness.h */
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@ -18,7 +18,7 @@
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#ifndef _BITS_PTHREADTYPES_ARCH_H
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#define _BITS_PTHREADTYPES_ARCH_H 1
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#include <endian.h>
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#include <bits/endian.h>
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#define __SIZEOF_PTHREAD_ATTR_T 36
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#define __SIZEOF_PTHREAD_MUTEX_T 24
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@ -1,9 +0,0 @@
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#ifndef _ENDIAN_H
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# error "Never use <bits/endian.h> directly; include <endian.h> instead."
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#endif
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#ifdef __CSKYBE__
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# error "Big endian not supported for C-SKY."
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#else
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# define __BYTE_ORDER __LITTLE_ENDIAN
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#endif
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14
sysdeps/csky/bits/endianness.h
Normal file
14
sysdeps/csky/bits/endianness.h
Normal file
@ -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 */
|
||||
@ -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
|
||||
|
||||
@ -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
|
||||
11
sysdeps/hppa/bits/endianness.h
Normal file
11
sysdeps/hppa/bits/endianness.h
Normal file
@ -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 */
|
||||
11
sysdeps/ia64/bits/endianness.h
Normal file
11
sysdeps/ia64/bits/endianness.h
Normal file
@ -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 */
|
||||
@ -16,11 +16,11 @@
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifndef _IEEE754_H
|
||||
|
||||
#define _IEEE754_H 1
|
||||
|
||||
#include <features.h>
|
||||
|
||||
#include <endian.h>
|
||||
#include <bits/endian.h>
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
|
||||
@ -16,11 +16,11 @@
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifndef _IEEE754_H
|
||||
|
||||
#define _IEEE754_H 1
|
||||
|
||||
#include <features.h>
|
||||
|
||||
#include <endian.h>
|
||||
#include <bits/endian.h>
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
|
||||
@ -16,11 +16,11 @@
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifndef _IEEE754_H
|
||||
|
||||
#define _IEEE754_H 1
|
||||
|
||||
#include <features.h>
|
||||
|
||||
#include <endian.h>
|
||||
#include <bits/endian.h>
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
|
||||
@ -16,11 +16,11 @@
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifndef _IEEE754_H
|
||||
|
||||
#define _IEEE754_H 1
|
||||
|
||||
#include <features.h>
|
||||
|
||||
#include <endian.h>
|
||||
#include <bits/endian.h>
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
|
||||
@ -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
|
||||
11
sysdeps/m68k/bits/endianness.h
Normal file
11
sysdeps/m68k/bits/endianness.h
Normal file
@ -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 */
|
||||
@ -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
|
||||
|
||||
@ -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
|
||||
15
sysdeps/microblaze/bits/endianness.h
Normal file
15
sysdeps/microblaze/bits/endianness.h
Normal file
@ -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 */
|
||||
@ -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
|
||||
|
||||
@ -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
|
||||
16
sysdeps/mips/bits/endianness.h
Normal file
16
sysdeps/mips/bits/endianness.h
Normal file
@ -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 */
|
||||
@ -16,13 +16,16 @@
|
||||
<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
|
||||
|
||||
|
||||
@ -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
|
||||
|
||||
@ -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
|
||||
16
sysdeps/nios2/bits/endianness.h
Normal file
16
sysdeps/nios2/bits/endianness.h
Normal file
@ -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 */
|
||||
@ -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
|
||||
|
||||
@ -19,10 +19,10 @@
|
||||
#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>
|
||||
|
||||
@ -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
|
||||
16
sysdeps/powerpc/bits/endianness.h
Normal file
16
sysdeps/powerpc/bits/endianness.h
Normal file
@ -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 */
|
||||
@ -1,5 +0,0 @@
|
||||
#ifndef _ENDIAN_H
|
||||
# error "Never use <bits/endian.h> directly; include <endian.h> instead."
|
||||
#endif
|
||||
|
||||
#define __BYTE_ORDER __LITTLE_ENDIAN
|
||||
11
sysdeps/riscv/bits/endianness.h
Normal file
11
sysdeps/riscv/bits/endianness.h
Normal file
@ -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 */
|
||||
@ -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
|
||||
|
||||
@ -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
|
||||
11
sysdeps/s390/bits/endianness.h
Normal file
11
sysdeps/s390/bits/endianness.h
Normal file
@ -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 */
|
||||
@ -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
|
||||
15
sysdeps/sh/bits/endianness.h
Normal file
15
sysdeps/sh/bits/endianness.h
Normal file
@ -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 */
|
||||
@ -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
|
||||
|
||||
@ -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 */
|
||||
@ -16,11 +16,11 @@
|
||||
<https://www.gnu.org/licenses/>. */
|
||||
|
||||
#ifndef _IEEE754_H
|
||||
|
||||
#define _IEEE754_H 1
|
||||
|
||||
#include <features.h>
|
||||
|
||||
#include <endian.h>
|
||||
#include <bits/endian.h>
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
|
||||
@ -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
|
||||
|
||||
@ -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>
|
||||
|
||||
|
||||
@ -19,7 +19,6 @@
|
||||
#define _PTHREAD_H 1
|
||||
|
||||
#include <features.h>
|
||||
#include <endian.h>
|
||||
#include <sched.h>
|
||||
#include <time.h>
|
||||
|
||||
|
||||
@ -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
|
||||
@ -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.
|
||||
|
||||
@ -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
|
||||
|
||||
@ -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
|
||||
11
sysdeps/x86/bits/endianness.h
Normal file
11
sysdeps/x86/bits/endianness.h
Normal file
@ -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 */
|
||||
@ -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 */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user