patches/uClibc/0.9.30.1/110-arm_fix_alignment.patch
author David Holsgrove <david.holsgrove@xilinx.com>
Thu Oct 04 15:59:31 2012 +1000 (2012-10-04)
changeset 3073 a6981147ccc0
permissions -rw-r--r--
scripts/gcc: Canadian Cross skip -print-multi-lib log output

Attempting to ${CT_TARGET}-gcc -print-multi-lib will fail

In do_cc_core_backend, for the final compiler in a canadian cross
baremetal, warn that multi-libs cannot be determined

In do_cc_backend, for either final compiler for a canadian cross,
warn that multi-libs cannot be determined

(Plus fixed CT_PREFIX_DIR in do_cc_backend to be ${prefix})

Signed-off-by: "David Holsgrove" <david.holsgrove@xilinx.com>
Message-Id: <CAM=EW8aQDoNx-CkJHjXBoDP4iTDJ8z5hh3=KhO5UTU6rp3Pj=w@mail.gmail.com>
Patchwork-Id: 189053
yann@1248
     1
Original patch from Gentoo.
yann@1248
     2
yann@1248
     3
-= BEGIN original header =-
yann@1248
     4
ARMV5 can use STRD and LDRD access instructions but these accesses need to be 
yann@1248
     5
8 byte aligned. The dynamic linker's malloc needs to match this so structures
yann@1248
     6
become 8 byte aligned to void unaligned accesses.
yann@1248
     7
yann@1248
     8
RP - 14/02/2008
yann@1248
     9
yann@1248
    10
-= END original header =-
yann@1248
    11
yann@1248
    12
diff -durN uClibc-0.9.30.orig/ldso/ldso/arm/dl-sysdep.h uClibc-0.9.30/ldso/ldso/arm/dl-sysdep.h
yann@1248
    13
--- uClibc-0.9.30.orig/ldso/ldso/arm/dl-sysdep.h	2008-09-25 10:35:20.000000000 +0200
yann@1248
    14
+++ uClibc-0.9.30/ldso/ldso/arm/dl-sysdep.h	2009-02-07 09:57:59.000000000 +0100
yann@1248
    15
@@ -15,6 +15,8 @@
yann@1248
    16
   GOT_BASE[1] = (unsigned long) MODULE; \
yann@1248
    17
 }
yann@1248
    18
 
yann@1248
    19
+#define DL_MALLOC_ALIGN 8  /* EABI needs 8 byte alignment for STRD LDRD*/
yann@1248
    20
+
yann@1248
    21
 static __inline__ unsigned long arm_modulus(unsigned long m, unsigned long p)
yann@1248
    22
 {
yann@1248
    23
 	unsigned long i,t,inc;