patches/uClibc/0.9.30.2/110-arm_fix_alignment.patch
author Johannes Stezenbach <js@sig21.net>
Tue Oct 30 00:36:20 2012 +0000 (2012-10-30)
changeset 3096 d1766c2273d1
permissions -rw-r--r--
scripts/functions: use patch -i instead of IO redirection

This makes the patch name show up on the command line
logged by CT_DoExecLog so it's easier to see
what is going on. The -i for patch is specified
by Posix and supported by GNU patch and busybox patch.

Signed-off-by: Johannes Stezenbach <js@sig21.net>
[yann.morin.1998@free.fr: remove now-useless debug message]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <20121030103620.GB8303@sig21.net>
Patchwork-Id: 195418
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Original patch from Gentoo.
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-= BEGIN original header =-
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ARMV5 can use STRD and LDRD access instructions but these accesses need to be 
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8 byte aligned. The dynamic linker's malloc needs to match this so structures
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become 8 byte aligned to void unaligned accesses.
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RP - 14/02/2008
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-= END original header =-
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Modified slightly for uClibc-0.9.30.2 by Joachim Nilsson <jocke@vmlinux.org>
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diff -durN uClibc-0.9.30.orig/ldso/ldso/arm/dl-sysdep.h uClibc-0.9.30/ldso/ldso/arm/dl-sysdep.h
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--- uClibc-0.9.30.orig/ldso/ldso/arm/dl-sysdep.h	2008-09-25 10:35:20.000000000 +0200
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+++ uClibc-0.9.30/ldso/ldso/arm/dl-sysdep.h	2009-02-07 09:57:59.000000000 +0100
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@@ -15,6 +15,8 @@
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   GOT_BASE[1] = (unsigned long) MODULE; \
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 }
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+#define DL_MALLOC_ALIGN 8  /* EABI needs 8 byte alignment for STRD LDRD*/
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+
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 static __always_inline unsigned long arm_modulus(unsigned long m, unsigned long p)
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 {
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 	unsigned long i,t,inc;