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Re: R_ARM(_THM)_MOVT_ABS(_NC) support


From: Michael Zimmermann
Subject: Re: R_ARM(_THM)_MOVT_ABS(_NC) support
Date: Sat, 31 Jan 2015 13:00:29 +0100

The configure line:
./configure --host arm-linux-gnueabihf CFLAGS='-static-libgcc
-Wl,-static' TARGET_CFLAGS='-O3'

My compiler is gcc-linaro-arm-linux-gnueabihf-4.9-2014.09 (
http://releases.linaro.org/14.09/components/toolchain/binaries )

gcc -v :
Using built-in specs.
COLLECT_GCC=./prebuilts/gcc/linux-x86/arm/arm-linux-gnueabihf-4.9/bin/arm-linux-gnueabihf-gcc
COLLECT_LTO_WRAPPER=/media/Data/repositories/git/bigG/prebuilts/gcc/linux-x86/arm/arm-linux-gnueabihf-4.9/bin/../libexec/gcc/arm-linux-gnueabihf/4.9.2/lto-wrapper
Target: arm-linux-gnueabihf
Configured with:
/cbuild/slaves/oorts/crosstool-ng/builds/arm-linux-gnueabihf-linux/.build/src/gcc-linaro-4.9-2014.09/configure
--build=i686-build_pc-linux-gnu --host=i686-build_pc-linux-gnu
--target=arm-linux-gnueabihf
--prefix=/cbuild/slaves/oorts/crosstool-ng/builds/arm-linux-gnueabihf-linux/install
--with-sysroot=/cbuild/slaves/oorts/crosstool-ng/builds/arm-linux-gnueabihf-linux/install/arm-linux-gnueabihf/libc
--enable-languages=c,c++,fortran --disable-multilib --enable-multiarch
--with-arch=armv7-a --with-tune=cortex-a9 --with-fpu=vfpv3-d16
--with-float=hard --with-pkgversion='crosstool-NG
linaro-1.13.1-4.9-2014.09 - Linaro GCC 4.9-2014.09'
--with-bugurl=https://bugs.launchpad.net/gcc-linaro
--enable-__cxa_atexit --enable-libmudflap --enable-libgomp
--enable-libssp
--with-gmp=/cbuild/slaves/oorts/crosstool-ng/builds/arm-linux-gnueabihf-linux/.build/arm-linux-gnueabihf/build/static
--with-mpfr=/cbuild/slaves/oorts/crosstool-ng/builds/arm-linux-gnueabihf-linux/.build/arm-linux-gnueabihf/build/static
--with-mpc=/cbuild/slaves/oorts/crosstool-ng/builds/arm-linux-gnueabihf-linux/.build/arm-linux-gnueabihf/build/static
--with-isl=/cbuild/slaves/oorts/crosstool-ng/builds/arm-linux-gnueabihf-linux/.build/arm-linux-gnueabihf/build/static
--with-cloog=/cbuild/slaves/oorts/crosstool-ng/builds/arm-linux-gnueabihf-linux/.build/arm-linux-gnueabihf/build/static
--with-libelf=/cbuild/slaves/oorts/crosstool-ng/builds/arm-linux-gnueabihf-linux/.build/arm-linux-gnueabihf/build/static
--enable-threads=posix --disable-libstdcxx-pch
--enable-linker-build-id --enable-plugin --enable-gold
--with-local-prefix=/cbuild/slaves/oorts/crosstool-ng/builds/arm-linux-gnueabihf-linux/install/arm-linux-gnueabihf/libc
--enable-c99 --enable-long-long --with-mode=thumb --disable-multilib
--with-float=hard
Thread model: posix
gcc version 4.9.2 20140904 (prerelease) (crosstool-NG
linaro-1.13.1-4.9-2014.09 - Linaro GCC 4.9-2014.09)

Michael

On Sat, Jan 31, 2015 at 12:45 PM, Leif Lindholm
<address@hidden> wrote:
> On Sat, Jan 31, 2015 at 12:35:34PM +0100, Michael Zimmermann wrote:
>> when compiling grub with O2 or O3 on a ARM target mkimage fails with
>> "error: relocation4 X is not implemented yet" for
>> R_ARM_THM_MOVT_ABS and R_ARM_THM_MOVW_ABS_NC (thumb)
>> or R_ARM_MOVW_ABS and R_ARM_MOVW_ABS_NC (arm)
>
> To help me try to reproduce:
> What are your complete config options (how are you adding the -O2/O3)?
> What toolchain version (output of gcc -v)?
> And (for my own curiosity) which Linux distribution?
>
> /
>     Leif
>
> _______________________________________________
> Grub-devel mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/grub-devel



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