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__ASSUME_PPOLL, __ASSUME_ATFCTS, __ASSUME_SET_ROBUST_LIST, __ASSUME_UTIMENSAT, __ASSUME_FALLOCATE): Update per-arch conditions when each feature was introduced. * sysdeps/unix/sysv/linux/dl-vdso.c: Don't include dl-hash.h. * sysdeps/unix/sysv/linux/dl-vdso.h: Don't include dl-hash.h if NDEBUG. (CHECK_HASH): New macro. (PREPARE_VERSION): Use it. * sysdeps/unix/sysv/linux/pselect.c (__generic_pselect): Only provide prototype if not __ASSUME_PSELECT. * sysdeps/unix/sysv/linux/ppoll.c (__generic_ppoll): Only provide prototype if not __ASSUME_PPOLL. * sysdeps/unix/sysv/linux/dl-osinfo.h (ROUND): #undef after use. * sysdeps/unix/clock_settime.c (freq, __pthread_clock_settime, hp_timing_settime): Don't define or declare if HANDLED_CPUTIME is defined.
50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/* ELF symbol resolve functions for VDSO objects.
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Copyright (C) 2005, 2007 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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#ifndef _DL_VDSO_H
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#define _DL_VDSO_H 1
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#include <assert.h>
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#include <ldsodefs.h>
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#ifdef NDEBUG
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# define CHECK_HASH(var) do {} while (0)
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#else
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# include <dl-hash.h>
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# define CHECK_HASH(var) assert (var.hash == _dl_elf_hash (var.name))
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#endif
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/* Create version number record for lookup. */
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#define PREPARE_VERSION(var, vname, vhash) \
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struct r_found_version var; \
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var.name = vname; \
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var.hidden = 1; \
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var.hash = vhash; \
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CHECK_HASH (var); \
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/* We don't have a specific file where the symbol can be found. */ \
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var.filename = NULL
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/* Functions for resolving symbols in the VDSO link map. */
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extern void *_dl_vdso_vsym (const char *name,
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const struct r_found_version *version)
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internal_function attribute_hidden;
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#endif /* dl-vdso.h */
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