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Compile x86 rtld with -mno-sse -mno-mmx
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H.J. Lu
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12
ChangeLog
12
ChangeLog
@ -1,3 +1,15 @@
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2012-11-02 H.J. Lu <hongjiu.lu@intel.com>
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* stdlib/Makefile (headers): Add bits/stdlib-float.h.
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* stdlib/stdlib.h (atof): Moved to ...
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* include/bits/stdlib-float.h: Here. New file.
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* stdlib/stdlib.h: Include <bits/stdlib-float.h>.
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* stdlib/bits/stdlib-float.h: New file.
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* sysdeps/x86/Makefile (CFLAGS-.os): Compile rtld routines with
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-mno-sse -mno-mmx.
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* sysdeps/x86_64/multiarch/strcasestr-nonascii.c: Include
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<xmmintrin.h>.
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2012-11-02 Joseph Myers <joseph@codesourcery.com>
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* conform/conformtest.pl (@headers): Add fenv.h.
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4
include/bits/stdlib-float.h
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4
include/bits/stdlib-float.h
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@ -0,0 +1,4 @@
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/* No floating-point inline functions in rtld. */
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#ifndef IS_IN_rtld
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# include <stdlib/bits/stdlib-float.h>
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#endif
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@ -1,3 +1,9 @@
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2012-11-02 H.J. Lu <hongjiu.lu@intel.com>
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* sysdeps/x86_64/tls.h: Don't include <xmmintrin.h>.
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(__128bits): New struct typedef.
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(tcbhead_t): Replace __m128 with __128bits.
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2012-10-30 Aurelien Jarno <aurelien@aurel32.net>
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Joseph Myers <joseph@codesourcery.com>
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@ -27,7 +27,14 @@
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# include <stdlib.h>
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# include <sysdep.h>
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# include <kernel-features.h>
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# include <xmmintrin.h>
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/* Replacement type for __m128 since this file is included by ld.so,
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which is compiled with -mno-sse. It must not change the alignment
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of rtld_savespace_sse. */
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typedef struct
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{
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int i[4];
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} __128bits;
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/* Type for the dtv. */
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@ -64,7 +71,7 @@ typedef struct
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void *__private_tm[5];
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long int __unused2;
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/* Have space for the post-AVX register size. */
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__m128 rtld_savespace_sse[8][4] __attribute__ ((aligned (32)));
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__128bits rtld_savespace_sse[8][4] __attribute__ ((aligned (32)));
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void *__padding[8];
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} tcbhead_t;
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@ -20,7 +20,7 @@
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#
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subdir := stdlib
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headers := stdlib.h bits/stdlib.h bits/stdlib-ldbl.h \
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headers := stdlib.h bits/stdlib.h bits/stdlib-ldbl.h bits/stdlib-float.h \
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monetary.h bits/monetary-ldbl.h \
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inttypes.h stdint.h bits/wordsize.h \
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errno.h sys/errno.h bits/errno.h \
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31
stdlib/bits/stdlib-float.h
Normal file
31
stdlib/bits/stdlib-float.h
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@ -0,0 +1,31 @@
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/* Floating-point inline functions for stdlib.h.
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Copyright (C) 2012 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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#ifndef _STDLIB_H
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# error "Never use <bits/stdlib-float.h> directly; include <stdlib.h> instead."
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#endif
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#ifdef __USE_EXTERN_INLINES
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__BEGIN_NAMESPACE_STD
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__extern_inline double
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__NTH (atof (const char *__nptr))
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{
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return strtod (__nptr, (char **) NULL);
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}
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__END_NAMESPACE_STD
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#endif /* Optimizing and Inlining. */
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@ -274,11 +274,6 @@ extern long double strtold_l (const char *__restrict __nptr,
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#ifdef __USE_EXTERN_INLINES
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__BEGIN_NAMESPACE_STD
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__extern_inline double
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__NTH (atof (const char *__nptr))
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{
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return strtod (__nptr, (char **) NULL);
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}
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__extern_inline int
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__NTH (atoi (const char *__nptr))
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{
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@ -953,6 +948,7 @@ extern int getloadavg (double __loadavg[], int __nelem)
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__THROW __nonnull ((1));
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#endif
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#include <bits/stdlib-float.h>
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/* Define some macros helping to catch buffer overflows. */
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#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
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4
sysdeps/x86/Makefile
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4
sysdeps/x86/Makefile
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@ -0,0 +1,4 @@
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ifeq ($(subdir),elf)
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CFLAGS-.os += $(if $(filter $(@F),$(patsubst %,%.os,$(all-rtld-routines))),\
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-mno-sse -mno-mmx)
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endif
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@ -16,7 +16,8 @@
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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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# include <ctype.h>
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#include <ctype.h>
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#include <xmmintrin.h>
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/* Similar to __m128i_strloadu. Convert to lower case for none-POSIX/C
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