patches/uClibc/0.9.30/110-arm_fix_alignment.patch
author "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
Mon Dec 12 20:24:05 2011 +0100 (2011-12-12)
branch1.13
changeset 2846 f634ec0447cd
permissions -rw-r--r--
binutils/binutils: fix extra config array variable name

The changeset 2467 #200836977ce6 missed renaming one occurrence of
CT_BINUTILS_EXTRA_CONFIG to CT_BINUTILS_EXTRA_CONFIG_ARRAY, which is fixed by
this patch.

Signed-off-by: "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
(transplanted from 8946dd980d9e6c3da3b8f63fe7e35f4af94acf2f)
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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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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 __inline__ unsigned long arm_modulus(unsigned long m, unsigned long p)
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 {
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 	unsigned long i,t,inc;