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patches/gcc/4.3.2/330-unwind-for-uClibc.patch
author Michael Hope <michael.hope@linaro.org>
Wed Oct 19 15:27:32 2011 +1300 (2011-10-19)
changeset 2739 f320e22f2cba
parent 766 717efd8b78b4
permissions -rw-r--r--
arch: add softfp support

Some architectures support a mixed hard/soft floating point, where
the compiler emits hardware floating point instructions, but passes
the operands in core (aka integer) registers.

For example, ARM supports this mode (to come in the next changeset).

Add support for softfp cross compilers to the GCC and GLIBC
configuration. Needed for Ubuntu and other distros that are softfp.

Signed-off-by: Michael Hope <michael.hope@linaro.org>
[yann.morin.1998@anciens.enib.fr: split the original patch]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 diff -durN gcc-4.3.1.orig/gcc/config/t-linux-uclibc gcc-4.3.1/gcc/config/t-linux-uclibc

     2 --- gcc-4.3.1.orig/gcc/config/t-linux-uclibc	1970-01-01 01:00:00.000000000 +0100

     3 +++ gcc-4.3.1/gcc/config/t-linux-uclibc	2008-07-29 13:07:15.000000000 +0200

     4 @@ -0,0 +1,5 @@

     5 +# Remove glibc specific files added in t-linux

     6 +SHLIB_MAPFILES := $(filter-out $(srcdir)/config/libgcc-glibc.ver, $(SHLIB_MAPFILES))

     7 +

     8 +# Use unwind-dw2-fde instead of unwind-dw2-fde-glibc

     9 +LIB2ADDEH := $(subst unwind-dw2-fde-glibc.c,unwind-dw2-fde.c,$(LIB2ADDEH))

    10 diff -durN gcc-4.3.1.orig/gcc/config.gcc gcc-4.3.1/gcc/config.gcc

    11 --- gcc-4.3.1.orig/gcc/config.gcc	2008-07-29 13:11:02.000000000 +0200

    12 +++ gcc-4.3.1/gcc/config.gcc	2008-07-29 13:10:05.000000000 +0200

    13 @@ -2651,6 +2651,12 @@

    14  	;;

    15  esac

    16  

    17 +# Rather than hook into each target, just do it after all the linux

    18 +# targets have been processed

    19 +case ${target} in

    20 +  *-linux-uclibc*) tm_defines="${tm_defines} USE_UCLIBC" ; tmake_file="${tmake_file} t-linux-uclibc";;

    21 +esac

    22 +

    23  case ${target} in

    24  i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1)

    25  	tmake_file="${tmake_file} i386/t-gmm_malloc"
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