patches/uClibc/0.9.30/110-arm_fix_alignment.patch
author Arnaud Lacombe <lacombar@gmail.com>
Thu Aug 05 17:59:50 2010 +0200 (2010-08-05)
changeset 2068 581a2778ca6f
permissions -rw-r--r--
libc/glibc: let glibc 3.3.6 link correctly

From http://sourceware.org/git/?p=glibc.git;a=commit;f=elf/Makefile;h=7c8a67320e26b8c11108bf0a3410d3aef9cf3486

Author: Ulrich Drepper <drepper@redhat.com>:
Commit log:
* elf/Makefile (ld.so): Adjust the sed script to insert _begin in to
newer linker scripts.

Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
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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;