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Remove more obsolete ARM code.
This commit is contained in:
Joseph Myers
parent
dc2a97c6ed
commit
d8d270711d
@ -1,5 +1,23 @@
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2012-05-19 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/arm/bits/endian.h (__FLOAT_WORD_ORDER): Remove
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definitions.
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* sysdeps/arm/bits/huge_val.h: Remove file.
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* sysdeps/arm/bits/string.h: Remove file.
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* sysdeps/unix/sysv/linux/arm/readahead.c [__NR_readahead]: Make
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code unconditional.
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[!__NR_readahead]: Remove conditional code.
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* sysdeps/unix/sysv/linux/arm/sigaction.c [__NR_rt_sigreturn]:
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Make code unconditional.
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[!__NR_rt_sigreturn]: Remove conditional code.
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* sysdeps/unix/sysv/linux/arm/sigrestorer.S [__NR_rt_sigreturn]:
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Make code unconditional.
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* sysdeps/unix/sysv/linux/arm/sysdep.h [__NR_SYSCALL_BASE != 0]:
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Remove conditional #error.
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(__NR_stime): Remove #undef.
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(__NR_alarm): Likewise.
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(SWI_BASE): Remove.
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* sysdeps/unix/sysv/linux/arm/ftruncate64.c (kernel-features.h):
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Don't include.
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[__NR_ftruncate64]: Make code unconditional.
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@ -8,12 +8,3 @@
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#else
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#define __BYTE_ORDER __LITTLE_ENDIAN
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#endif
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/* FPA floating point units are always big-endian, irrespective of the
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CPU endianness. VFP floating point units use the same endianness
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as the rest of the system. */
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#ifdef __VFP_FP__
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#define __FLOAT_WORD_ORDER __BYTE_ORDER
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#else
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#define __FLOAT_WORD_ORDER __BIG_ENDIAN
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#endif
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@ -1,54 +0,0 @@
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/* `HUGE_VAL' constant for IEEE 754 machines (where it is infinity).
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Used by <stdlib.h> and <math.h> functions for overflow.
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Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000, 2004
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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 _MATH_H
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# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
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#endif
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/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
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#if __GNUC_PREREQ(3,3)
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# define HUGE_VAL (__builtin_huge_val())
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#elif __GNUC_PREREQ(2,96)
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# define HUGE_VAL (__extension__ 0x1.0p2047)
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#elif defined __GNUC__
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# define HUGE_VAL \
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(__extension__ \
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((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
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{ __l: 0x7ff0000000000000ULL }).__d)
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#else /* not GCC */
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# include <endian.h>
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typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
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# endif
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# if __BYTE_ORDER == __LITTLE_ENDIAN
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# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
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# endif
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static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
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# define HUGE_VAL (__huge_val.__d)
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#endif /* GCC. */
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@ -1,30 +0,0 @@
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/* Optimized, inlined string functions. ARM version.
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Copyright (C) 1998, 1999, 2000 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 _STRING_H
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# error "Never use <bits/string.h> directly; include <string.h> instead."
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#endif
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/* We must defeat the generic optimized versions of these functions in
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<bits/string2.h> since they don't work on the ARM. This is because
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the games they play with the __STRING2_COPY_ARR# structures fail
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when structs are always 32-bit aligned.
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XXX Should provide suitably optimal replacements. */
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#define _HAVE_STRING_ARCH_strcpy 1
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#define _HAVE_STRING_ARCH_stpcpy 1
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#define _HAVE_STRING_ARCH_mempcpy 1
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@ -1,5 +1,5 @@
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/* Provide kernel hint to read ahead.
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Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
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Copyright (C) 2002-2012 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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@ -25,8 +25,6 @@
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#include <sys/syscall.h>
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#ifdef __NR_readahead
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ssize_t
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__readahead (int fd, off64_t offset, size_t count)
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{
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@ -35,16 +33,5 @@ __readahead (int fd, off64_t offset, size_t count)
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(off_t) (offset & 0xffffffff)),
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count);
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}
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#else
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ssize_t
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__readahead (int fd, off64_t offset, size_t count)
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{
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__set_errno (ENOSYS);
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return -1;
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}
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stub_warning (readahead)
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# include <stub-tag.h>
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#endif
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weak_alias (__readahead, readahead)
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@ -48,14 +48,9 @@ extern void __default_rt_sa_restorer_v2(void);
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#endif
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/* When RT signals are in use we need to use a different return stub. */
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#ifdef __NR_rt_sigreturn
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#define choose_restorer(flags) \
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(flags & SA_SIGINFO) ? __default_rt_sa_restorer \
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: __default_sa_restorer
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#else
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#define choose_restorer(flags) \
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__default_sa_restorer
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#endif
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/* If ACT is not NULL, change the action for SIG to *ACT.
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If OACT is not NULL, put the old action for SIG in *OACT. */
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@ -1,4 +1,4 @@
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/* Copyright (C) 1999, 2005, 2009, 2010 Free Software Foundation, Inc.
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/* Copyright (C) 1999-2012 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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@ -88,8 +88,6 @@ ENTRY(__default_sa_restorer_v2)
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END(__default_sa_restorer_v2)
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#undef OFFSET
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#ifdef __NR_rt_sigreturn
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#ifndef __ASSUME_SIGFRAME_V2
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#define OFFSET 168
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.fnstart
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@ -117,5 +115,3 @@ ENTRY(__default_rt_sa_restorer_v2)
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.fnend
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END(__default_rt_sa_restorer_v2)
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#undef OFFSET
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#endif /* __NR_rt_sigreturn */
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@ -28,16 +28,6 @@
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#include <tls.h>
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#if __NR_SYSCALL_BASE != 0
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# error Kernel headers are too old
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#endif
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/* Don't use stime, even if the kernel headers define it. We have
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settimeofday, and some EABI kernels have removed stime. Similarly
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use setitimer to implement alarm. */
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#undef __NR_stime
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#undef __NR_alarm
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/* In order to get __set_errno() definition in INLINE_SYSCALL. */
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#ifndef __ASSEMBLER__
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#include <errno.h>
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@ -48,7 +38,6 @@
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of the kernel. But these symbols do not follow the SYS_* syntax
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so we have to redefine the `SYS_ify' macro here. */
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#undef SYS_ify
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#define SWI_BASE (0x900000)
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#define SYS_ify(syscall_name) (__NR_##syscall_name)
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