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2005-04-28 Roland McGrath <roland@redhat.com> [BZ #796] * sysdeps/unix/sysv/linux/dl-sysdep.h: New file. Define NEED_DL_SYSINFO_DSO for all platforms. * sysdeps/generic/dl-sysdep.h: Remove multiple inclusion protection. * sysdeps/alpha/dl-sysdep.h: Likewise. Use #include_next instead of duplicating generic file's contents. * sysdeps/ia64/dl-sysdep.h: Likewise. * sysdeps/sparc/dl-sysdep.h: Likewise. 2005-03-22 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/powerpc64/memset.S (memset): Make ___memset local. 2005-03-07 Steven Munroe <sjmunroe@us.ibm.com> [BZ #781] * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_TGKILL): Define for powerpc32/64 starting with 2.6.1. (__ASSUME_UTIMES): Define for powerpc32/64 starting with 2.6.1. (__ASSUME_FADVISE64_64_SYSCALL): Define for powerpc32 only starting with 2.6.1. (__ASSUME_WAITID_SYSCALL): Don't define for powerpc32/64.
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Roland McGrath
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ChangeLog
26
ChangeLog
@ -1,3 +1,29 @@
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2005-04-28 Roland McGrath <roland@redhat.com>
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[BZ #796]
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* sysdeps/unix/sysv/linux/dl-sysdep.h: New file.
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Define NEED_DL_SYSINFO_DSO for all platforms.
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* sysdeps/generic/dl-sysdep.h: Remove multiple inclusion protection.
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* sysdeps/alpha/dl-sysdep.h: Likewise.
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Use #include_next instead of duplicating generic file's contents.
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* sysdeps/ia64/dl-sysdep.h: Likewise.
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* sysdeps/sparc/dl-sysdep.h: Likewise.
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2005-03-22 Steven Munroe <sjmunroe@us.ibm.com>
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* sysdeps/powerpc/powerpc64/memset.S (memset): Make ___memset local.
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2005-03-07 Steven Munroe <sjmunroe@us.ibm.com>
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[BZ #781]
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* sysdeps/unix/sysv/linux/kernel-features.h
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(__ASSUME_TGKILL): Define for powerpc32/64 starting with 2.6.1.
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(__ASSUME_UTIMES): Define for powerpc32/64 starting with 2.6.1.
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(__ASSUME_FADVISE64_64_SYSCALL): Define for powerpc32 only starting
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with 2.6.1.
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(__ASSUME_WAITID_SYSCALL): Don't define for powerpc32/64.
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2005-04-28 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/i386/sysdep.h: Add cfi instrumentation to asm fragments.
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@ -1,5 +1,5 @@
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/* System-specific settings for dynamic linker code. Alpha version.
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Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
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Copyright (C) 2002, 2003, 2004, 2005 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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@ -17,25 +17,8 @@
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _DL_SYSDEP_H
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#define _DL_SYSDEP_H 1
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/* This macro must be defined to either 0 or 1.
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If 1, then an errno global variable hidden in ld.so will work right with
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all the errno-using libc code compiled for ld.so, and there is never a
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need to share the errno location with libc. This is appropriate only if
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all the libc functions that ld.so uses are called without PLT and always
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get the versions linked into ld.so rather than the libc ones. */
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#ifdef IS_IN_rtld
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# define RTLD_PRIVATE_ERRNO 1
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#else
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# define RTLD_PRIVATE_ERRNO 0
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#endif
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#include_next <dl-sysdep.h>
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/* _dl_argv cannot be attribute_relro, because _dl_start_user
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might write into it after _dl_start returns. */
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#define DL_ARGV_NOT_RELRO 1
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#endif /* dl-sysdep.h */
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@ -1,5 +1,5 @@
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/* System-specific settings for dynamic linker code. Generic version.
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Copyright (C) 2002, 2003 Free Software Foundation, Inc.
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Copyright (C) 2002, 2003, 2005 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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@ -17,8 +17,8 @@
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _DL_SYSDEP_H
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#define _DL_SYSDEP_H 1
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/* No multiple inclusion protection need here because it's just macros.
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We don't want to use _DL_SYSDEP_H in case we are #include_next'd. */
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/* This macro must be defined to either 0 or 1.
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@ -33,5 +33,3 @@
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#else
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# define RTLD_PRIVATE_ERRNO 0
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#endif
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#endif /* dl-sysdep.h */
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@ -1,5 +1,5 @@
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/* System-specific settings for dynamic linker code. IA-64 version.
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Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
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Copyright (C) 2002, 2003, 2004, 2005 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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@ -17,25 +17,8 @@
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _DL_SYSDEP_H
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#define _DL_SYSDEP_H 1
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/* This macro must be defined to either 0 or 1.
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If 1, then an errno global variable hidden in ld.so will work right with
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all the errno-using libc code compiled for ld.so, and there is never a
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need to share the errno location with libc. This is appropriate only if
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all the libc functions that ld.so uses are called without PLT and always
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get the versions linked into ld.so rather than the libc ones. */
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#ifdef IS_IN_rtld
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# define RTLD_PRIVATE_ERRNO 1
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#else
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# define RTLD_PRIVATE_ERRNO 0
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#endif
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#include_next <dl-sysdep.h>
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/* _dl_argv cannot be attribute_relro, because _dl_start_user
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might write into it after _dl_start returns. */
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#define DL_ARGV_NOT_RELRO 1
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#endif /* dl-sysdep.h */
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@ -1,5 +1,5 @@
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/* System-specific settings for dynamic linker code. SPARC version.
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Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
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Copyright (C) 2002, 2003, 2004, 2005 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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@ -17,25 +17,8 @@
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _DL_SYSDEP_H
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#define _DL_SYSDEP_H 1
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/* This macro must be defined to either 0 or 1.
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If 1, then an errno global variable hidden in ld.so will work right with
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all the errno-using libc code compiled for ld.so, and there is never a
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need to share the errno location with libc. This is appropriate only if
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all the libc functions that ld.so uses are called without PLT and always
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get the versions linked into ld.so rather than the libc ones. */
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#ifdef IS_IN_rtld
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# define RTLD_PRIVATE_ERRNO 1
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#else
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# define RTLD_PRIVATE_ERRNO 0
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#endif
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#include_next <dl-sysdep.h>
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/* _dl_argv cannot be attribute_relro, because _dl_start_user
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might write into it after _dl_start returns. */
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#define DL_ARGV_NOT_RELRO 1
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#endif /* dl-sysdep.h */
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27
sysdeps/unix/sysv/linux/dl-sysdep.h
Normal file
27
sysdeps/unix/sysv/linux/dl-sysdep.h
Normal file
@ -0,0 +1,27 @@
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/* System-specific settings for dynamic linker code. Linux version.
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Copyright (C) 2005 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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include_next <dl-sysdep.h>
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/* On many architectures the kernel provides a virtual DSO and gives
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AT_SYSINFO_EHDR to point us to it. As this is introduced for new
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machines, we should look at it for unwind information even if
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we aren't making direct use of it. So enable this across the board. */
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#define NEED_DL_SYSINFO_DSO 1
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@ -354,22 +354,24 @@
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/* The tgkill syscall was instroduced for i386 in 2.5.75. For Alpha
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it was introduced in 2.6.0-test1 which unfortunately cannot be
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distinguished from 2.6.0. On x86-64 it was introduced in
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2.6.0-test3. */
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distinguished from 2.6.0. On x86-64, ppc, and ppc64 it was
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introduced in 2.6.0-test3. */
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#if (__LINUX_KERNEL_VERSION >= 132427 && defined __i386__) \
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|| (__LINUX_KERNEL_VERSION >= 132609 && defined __alpha__) \
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|| (__LINUX_KERNEL_VERSION >= 132609 && defined __x86_64__) \
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|| (__LINUX_KERNEL_VERSION >= 132609 && defined __powerpc__) \
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|| (__LINUX_KERNEL_VERSION >= 132609 && defined __sh__)
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# define __ASSUME_TGKILL 1
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#endif
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/* The utimes syscall has been available for some architectures
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forever. For x86 it was introduced after 2.5.75, for x86-64 in
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2.6.0-test3. */
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forever. For x86 it was introduced after 2.5.75, for x86-64,
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ppc, and ppc64 it was introduced in 2.6.0-test3. */
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#if defined __alpha__ || defined __ia64__ || defined __hppa__ \
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|| defined __sparc__ \
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|| (__LINUX_KERNEL_VERSION > 132427 && defined __i386__) \
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|| (__LINUX_KERNEL_VERSION > 132609 && defined __x86_64__) \
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|| (__LINUX_KERNEL_VERSION >= 132609 && defined __powerpc__) \
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|| (__LINUX_KERNEL_VERSION >= 132609 && defined __sh__)
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# define __ASSUME_UTIMES 1
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#endif
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@ -383,8 +385,11 @@
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#endif
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/* The fixed version of the posix_fadvise64 syscall appeared in
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2.6.0-test3. At least for x86. */
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#if __LINUX_KERNEL_VERSION >= 132609 && defined __i386__
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2.6.0-test3. At least for x86. Powerpc support appeared in
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2.6.2, but for 32-bit userspace only. */
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#if (__LINUX_KERNEL_VERSION >= 132609 && defined __i386__) \
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|| (__LINUX_KERNEL_VERSION >= 132610 && defined __powerpc__ \
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&& !defined __powerpc64__)
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# define __ASSUME_FADVISE64_64_SYSCALL 1
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#endif
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@ -419,8 +424,9 @@
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# define __ASSUME_BRK_PAGE_ROUNDED 1
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#endif
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/* Starting with version 2.6.9, the waitid system call is available. */
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#if __LINUX_KERNEL_VERSION >= 0x020609
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/* Starting with version 2.6.9, the waitid system call is available.
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Except for powerpc and powerpc64. */
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#if __LINUX_KERNEL_VERSION >= 0x020609 && !defined __powerpc__
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# define __ASSUME_WAITID_SYSCALL 1
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#endif
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