Workaround for "PowerPC-8xx CPU15 errata" (whatever that might be).
Patch by Nye LIU: http://sourceware.org/ml/crossgcc/2009-05/msg00014.html
-------- diffstat follows --------
/trunk/patches/eglibc/2_9/100-powerpc-8xx-CPU15-errata.patch | 49 49 0 0 ++++++++++++++++++
/trunk/scripts/build/libc/eglibc.sh | 10 9 1 0 +++-
2 files changed, 58 insertions(+), 1 deletion(-)
1 Original patch from Gentoo.
3 -= BEGIN original header =-
4 ARMV5 can use STRD and LDRD access instructions but these accesses need to be
5 8 byte aligned. The dynamic linker's malloc needs to match this so structures
6 become 8 byte aligned to void unaligned accesses.
10 -= END original header =-
12 diff -durN uClibc-0.9.30.orig/ldso/ldso/arm/dl-sysdep.h uClibc-0.9.30/ldso/ldso/arm/dl-sysdep.h
13 --- uClibc-0.9.30.orig/ldso/ldso/arm/dl-sysdep.h 2008-09-25 10:35:20.000000000 +0200
14 +++ uClibc-0.9.30/ldso/ldso/arm/dl-sysdep.h 2009-02-07 09:57:59.000000000 +0100
16 GOT_BASE[1] = (unsigned long) MODULE; \
19 +#define DL_MALLOC_ALIGN 8 /* EABI needs 8 byte alignment for STRD LDRD*/
21 static __inline__ unsigned long arm_modulus(unsigned long m, unsigned long p)
23 unsigned long i,t,inc;