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This patch adjusts the s390 specific ifunc helper macros in ifunc-resolve.h to use the common __ifunc macro, which uses gcc attribute ifunc to get rid of the false debuginfo. Therefore the redirection construct is applied where needed. Perhaps in future we can switch some of the internal symbols __GI_* from the fallback variant to the ifunc function. But this change is not straightforward due to a segmentation fault while linking libc.so with older binutils on s390. ChangeLog: [BZ #20478] * sysdeps/s390/multiarch/ifunc-resolve.h (s390_vx_libc_ifunc2, s390_libc_ifunc): Use __ifunc from libc-symbols.h to create ifunc symbols. (s390_vx_libc_ifunc_init, s390_vx_libc_ifunc_redirected , s390_vx_libc_ifunc2_redirected, s390_libc_ifunc_init): New define. * sysdeps/s390/multiarch/memchr.c: Redirect ifunced function in header for using it as type for ifunc function. * sysdeps/s390/multiarch/mempcpy.c: Likewise. * sysdeps/s390/multiarch/rawmemchr.c: Likewise. * sysdeps/s390/multiarch/stpcpy.c: Likewise. * sysdeps/s390/multiarch/stpncpy.c: Likewise. * sysdeps/s390/multiarch/strcat.c: Likewise. * sysdeps/s390/multiarch/strchr.c: Likewise. * sysdeps/s390/multiarch/strcmp.c: Likewise. * sysdeps/s390/multiarch/strcpy.c: Likewise. * sysdeps/s390/multiarch/strcspn.c: Likewise. * sysdeps/s390/multiarch/strlen.c: Likewise. * sysdeps/s390/multiarch/strncmp.c: Likewise. * sysdeps/s390/multiarch/strncpy.c: Likewise. * sysdeps/s390/multiarch/strnlen.c: Likewise. * sysdeps/s390/multiarch/strpbrk.c: Likewise. * sysdeps/s390/multiarch/strrchr.c: Likewise. * sysdeps/s390/multiarch/strspn.c: Likewise. * sysdeps/s390/multiarch/wcschr.c: Likewise. * sysdeps/s390/multiarch/wcscmp.c: Likewise. * sysdeps/s390/multiarch/wcspbrk.c: Likewise. * sysdeps/s390/multiarch/wcsspn.c: Likewise. * sysdeps/s390/multiarch/wmemchr.c: Likewise. * sysdeps/s390/multiarch/wmemset.c: Likewise. * sysdeps/s390/s390-32/multiarch/memcmp.c: Likewise. * sysdeps/s390/s390-32/multiarch/memcpy.c: Likewise. * sysdeps/s390/s390-32/multiarch/memset.c: Likewise. * sysdeps/s390/s390-64/multiarch/memcmp.c: Likewise. * sysdeps/s390/s390-64/multiarch/memcpy.c: Likewise. * sysdeps/s390/s390-64/multiarch/memset.c: Likewise.
33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/* Multiple versions of wmemchr.
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Copyright (C) 2015-2016 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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#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
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# define wmemchr __redirect_wmemchr
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# define __wmemchr __redirect___wmemchr
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# include <wchar.h>
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# undef wmemchr
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# undef __wmemchr
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# include <ifunc-resolve.h>
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s390_vx_libc_ifunc_redirected (__redirect___wmemchr, __wmemchr)
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weak_alias (__wmemchr, wmemchr)
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#else
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# include <wcsmbs/wmemchr.c>
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#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
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