--- glibc-2.3.2/sysdeps/generic/ldsodefs.h.orig 2003-10-03 11:47:45.000000000 -0400 +++ glibc-2.3.2/sysdeps/generic/ldsodefs.h 2003-10-03 11:48:10.000000000 -0400 @@ -292,7 +292,7 @@ struct rtld_global /* The object to be initialized first. */ EXTERN struct link_map *_dl_initfirst; -#if HP_TIMING_AVAIL || HP_SMALL_TIMING_AVAIL +#if HP_TIMING_AVAIL || HP_SMALL_TIMING_AVAIL || HP_TIMING_PAD /* Start time on CPU clock. */ EXTERN hp_timing_t _dl_cpuclock_offset; --- /dev/null 1969-12-31 19:00:00.000000000 -0500 +++ glibc-2.3.2/sysdeps/i386/hp-timing.h 2003-10-03 11:50:30.000000000 -0400 @@ -0,0 +1,34 @@ +/* High precision, low overhead timing functions. i386 version. + Copyright (C) 2003 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 _i386_HP_TIMING_H +#define _i386_HP_TIMING_H 1 + +#define hp_timing_t hp_timing_t__ +#include +#undef hp_timing_t + +/* We don't use high-precision timers, but we might load an i686 libpthread + which does. */ +#define HP_TIMING_PAD 1 + +/* i686 uses 64bit values for the times. */ +typedef unsigned long long int hp_timing_t; + +#endif /* hp-timing.h */ --- glibc-2.3.2/elf/Makefile.orig 2003-10-12 13:15:46.000000000 -0400 +++ glibc-2.3.2/elf/Makefile 2003-10-12 13:17:38.000000000 -0400 @@ -23,7 +23,7 @@ subdir := elf headers = elf.h bits/elfclass.h link.h routines = $(dl-routines) dl-open dl-close dl-support dl-iteratephdr \ dl-iteratephdr-static dl-addr enbl-secure dl-profstub \ - dl-origin dl-libc dl-sym dl-tsd + dl-origin dl-libc dl-sym dl-tsd dl-altinit # The core dynamic linking functions are in libc for the static and # profiled libraries. @@ -40,6 +40,10 @@ elide-routines.os = $(all-dl-routines) d rtld-routines := rtld $(dl-routines) dl-sysdep dl-environ dl-minimal all-rtld-routines = $(rtld-routines) $(sysdep-rtld-routines) +# We only need to re-run initializers if ld.so and libc.so might be built +# for different machines, so only shared libraries need dl-altinit. +shared-only-routines = dl-altinit + distribute := rtld-Rules \ $(rtld-routines:=.c) dynamic-link.h do-rel.h dl-machine.h \ dl-cache.h dl-hash.h soinit.c sofini.c ldd.bash.in \ @@ -91,7 +95,7 @@ include ../Makeconfig ifeq ($(unwind-find-fde),yes) routines += unwind-dw2-fde-glibc -shared-only-routines = unwind-dw2-fde-glibc +shared-only-routines += unwind-dw2-fde-glibc endif before-compile = $(objpfx)trusted-dirs.h --- /dev/null 1969-12-31 19:00:00.000000000 -0500 +++ glibc-2.3.2/elf/dl-altinit.c 2003-10-12 13:23:15.000000000 -0400 @@ -0,0 +1,43 @@ +/* Extra initializers for shared libc. + Copyright (C) 2003 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. */ + +#include +#include + +/* This file is used from the shared libc, to initialize anything which + ld.so should have initialized but didn't - for instance, if ld.so + is built for a machine without HP_TIMING but libc.so is built for + a machine with HP_TIMING, clock_gettime will expect dl_cpuclock_offset + to be initialized. */ + +static void +dlinit_hptiming (void) +{ +#if HP_TIMING_AVAIL || HP_SMALL_TIMING_AVAIL + if (GL(dl_cpuclock_offset) == 0) + HP_TIMING_NOW (GL(dl_cpuclock_offset)); +#endif +} + +static void dlinit_alt (void) __attribute__((constructor)); +static void +dlinit_alt (void) +{ + dlinit_hptiming (); +}