patches/glibc/2.5.1/140-i386-preferred-stack-boundary.patch
author Remy Bohmer <linux@bohmer.net>
Fri Apr 09 21:04:38 2010 +0200 (2010-04-09)
branch1.6
changeset 1923 37613068818d
parent 744 4bf8448536d5
permissions -rw-r--r--
libc/newlib: the m68k processor does not like unaligned

Disable unaligned access at least for mcpu32, m68010 and m68020.
These processors certainly do not like unaligned accesses.

Signed-off-by: Remy Bohmer <linux@bohmer.net>
(transplanted from faade25219ed565993b7b26357991d3130697515)
yann@402
     1
(C) 2007 Yann E. MORIN <yann.morin.1998@anciens.enib.fr>
yann@402
     2
License: LGPL v2.1
yann@402
     3
yann@402
     4
Shut off a stupid warning: preffered-stack-boundary must be between 4 ad 12,
yann@402
     5
and 2 is not.
yann@402
     6
yann@402
     7
diff -dur glibc-2.5.orig/sysdeps/i386/Makefile glibc-2.5/sysdeps/i386/Makefile
yann@402
     8
--- glibc-2.5.orig/sysdeps/i386/Makefile	2005-03-06 01:18:16.000000000 +0100
yann@402
     9
+++ glibc-2.5/sysdeps/i386/Makefile	2007-05-27 17:49:37.000000000 +0200
yann@402
    10
@@ -36,7 +36,7 @@
yann@402
    11
 ifeq ($(subdir),csu)
yann@402
    12
 sysdep-CFLAGS += -mpreferred-stack-boundary=4
yann@402
    13
 else
yann@402
    14
-sysdep-CFLAGS += -mpreferred-stack-boundary=2
yann@402
    15
+sysdep-CFLAGS += -mpreferred-stack-boundary=4
yann@402
    16
 # Likewise, any function which calls user callbacks
yann@402
    17
 uses-callbacks += -mpreferred-stack-boundary=4
yann@402
    18
 # Likewise, any stack alignment tests