mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-21 04:31:04 +08:00
22502ea2a7
__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.
|
|
Copyright (C) 2005, 2007 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#ifndef _DL_VDSO_H
|
|
#define _DL_VDSO_H 1
|
|
|
|
#include <assert.h>
|
|
#include <ldsodefs.h>
|
|
|
|
#ifdef NDEBUG
|
|
# define CHECK_HASH(var) do {} while (0)
|
|
#else
|
|
# include <dl-hash.h>
|
|
# define CHECK_HASH(var) assert (var.hash == _dl_elf_hash (var.name))
|
|
#endif
|
|
|
|
/* Create version number record for lookup. */
|
|
#define PREPARE_VERSION(var, vname, vhash) \
|
|
struct r_found_version var; \
|
|
var.name = vname; \
|
|
var.hidden = 1; \
|
|
var.hash = vhash; \
|
|
CHECK_HASH (var); \
|
|
/* We don't have a specific file where the symbol can be found. */ \
|
|
var.filename = NULL
|
|
|
|
|
|
/* Functions for resolving symbols in the VDSO link map. */
|
|
extern void *_dl_vdso_vsym (const char *name,
|
|
const struct r_found_version *version)
|
|
internal_function attribute_hidden;
|
|
|
|
#endif /* dl-vdso.h */
|