diff options
Diffstat (limited to 'recipes/glibc/glibc-2.3.2/glibc-i686-timing.patch')
| -rw-r--r-- | recipes/glibc/glibc-2.3.2/glibc-i686-timing.patch | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/recipes/glibc/glibc-2.3.2/glibc-i686-timing.patch b/recipes/glibc/glibc-2.3.2/glibc-i686-timing.patch new file mode 100644 index 0000000000..acac110944 --- /dev/null +++ b/recipes/glibc/glibc-2.3.2/glibc-i686-timing.patch @@ -0,0 +1,125 @@ +--- 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 <sysdeps/generic/hp-timing.h> ++#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 <ldsodefs.h> ++#include <hp-timing.h> ++ ++/* 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 (); ++} |