[LLVMdev] build errors while cross compiling llvm-gcc for ARM

Wed Jul 28 04:57:59 PDT 2010

Hello,

I'm using gold linker now to see if there can be any performance gain. Also
using latest gcc version (4.4.4) and latest binutils.

But when I'm compiling llvm-gcc, I'm getting this error.

/home/jal/llvm-gcc-4.2-2.7.source/host-i686-pc-linux-gnu/gcc/xgcc
-B/home/jal/llvm-gcc-4.2-2.7.source/host-i686-pc-linux-gnu/gcc/
-B/usr/local/arm-v7a8-linux-gnueabi/bin/
-B/usr/local/arm-v7a8-linux-gnueabi/lib/ -isystem
/usr/local/arm-v7a8-linux-gnueabi/include -isystem
/usr/local/arm-v7a8-linux-gnueabi/sys-include  -O2  -O2 -g -O2
--sysroot=/home/jal/VDLinux-armv7a8-toolchain/arm-v7a8-linux-gnueabi/libc
-DIN_GCC -DCROSS_DIRECTORY_STRUCTURE   -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem
./include  -fPIC -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2
-D__GCC_FLOAT_NOT_NEEDED  -I. -I. -I../.././gcc -I../.././gcc/.
-I../.././gcc/../include -I../.././gcc/../libcpp/include
-I../.././gcc/../libdecnumber -I../libdecnumber -I/home/jal/llvm-2.7/include
-DL_mulsc3 -fvisibility=hidden -DHIDE_EXPORTS -c ../.././gcc/libgcc2.c -o
libgcc/./_mulsc3.o
/tmp/ccmyj0Hi.s: Assembler messages:
/tmp/ccmyj0Hi.s:60: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:62: Error: bad instruction `vmrsvs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:71: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:76: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:83: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:87: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:105: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:109: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:112: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:118: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:125: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:130: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:136: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:146: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:158: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:161: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:167: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:171: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:186: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:190: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:193: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:199: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:206: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:211: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:217: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:222: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:236: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:240: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:244: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:248: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:252: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:256: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:260: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:264: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:269: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:274: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:280: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:285: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:291: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:296: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:302: Error: bad instruction `vmrs apsr_nzcv,fpscr'
/tmp/ccmyj0Hi.s:308: Error: bad instruction `vmrs apsr_nzcv,fpscr'
make[3]: *** [libgcc/./_mulsc3.o] Error 1
make[3]: Leaving directory
`/home/jal/llvm-gcc-4.2-2.7.source/host-i686-pc-linux-gnu/gcc'
make[2]: *** [stmp-multilib] Error 2
make[2]: Leaving directory
`/home/jal/llvm-gcc-4.2-2.7.source/host-i686-pc-linux-gnu/gcc'
make[1]: *** [all-gcc] Error 2
make[1]: Leaving directory `/home/jal/llvm-gcc-4.2-2.7.source'
make: *** [all] Error 2

Toolkit version is
Configured with:
/scratch/julian_vda8/2010q1-release-linux-lite/src/gcc-4.4-2010q1/configure
--build=i686-pc-linux-gnu --host=i686-pc-linux-gnu
--target=arm-v7a8-linux-gnueabi --enable-threads --disable-libmudflap
--disable-libssp --disable-libstdcxx-pch --enable-extra-sgxxlite-multilibs
--with-gnu-as --with-gnu-ld
--with-specs='%{funwind-tables|fno-unwind-tables|mabi=*|ffreestanding|nostdlib:;:-funwind-tables}
%{O2:%{!fno-remove-local-statics: -fremove-local-statics}}
%{O*:%{O|O0|O1|O2|Os:;:%{!fno-remove-local-statics:
-fremove-local-statics}}}' --enable-languages=c,c++ --enable-shared
--disable-lto --enable-symvers=gnu --enable-__cxa_atexit
--with-pkgversion='VDLinux ga-release 2010-06-30' --with-bugurl=
http://linux.sec.samsung.net/VDLinux/ --disable-nls
--prefix=/opt/codesourcery
--with-sysroot=/opt/codesourcery/arm-v7a8-linux-gnueabi/libc
--with-build-sysroot=/scratch/julian_vda8/2010q1-release-linux-lite/install/arm-v7a8-linux-gnueabi/libc
--with-gmp=/scratch/julian_vda8/2010q1-release-linux-lite/obj/host-libs-2010q1-202-arm-v7a8-linux-gnueabi-i686-pc-linux-gnu/usr
--with-mpfr=/scratch/julian_vda8/2010q1-release-linux-lite/obj/host-libs-2010q1-202-arm-v7a8-linux-gnueabi-i686-pc-linux-gnu/usr
--with-ppl=/scratch/julian_vda8/2010q1-release-linux-lite/obj/host-libs-2010q1-202-arm-v7a8-linux-gnueabi-i686-pc-linux-gnu/usr
--with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm'
--with-cloog=/scratch/julian_vda8/2010q1-release-linux-lite/obj/host-libs-2010q1-202-arm-v7a8-linux-gnueabi-i686-pc-linux-gnu/usr
--disable-libgomp --enable-poison-system-directories
--with-build-time-tools=/scratch/julian_vda8/2010q1-release-linux-lite/install/arm-v7a8-linux-gnueabi/bin
--with-build-time-tools=/scratch/julian_vda8/2010q1-release-linux-lite/install/arm-v7a8-linux-gnueabi/bin
--with-interwork --with-cpu=cortex-a8 --with-arch=armv7-a --with-mode=arm
--with-tune=cortex-a8 --with-fpu=vfp3 --with-float=softfp
Thread model: posix
gcc version 4.4.1 (VDLinux ga-release 2010-06-30)

And llvm-gcc configured with
/configure --host=i686-pc-linux-gnu --build=i686-pc-linux-gnu
--target=arm-v7a8-linux-gnueabi --enable-cross
--with-sysroot=/home/jal/VDLinux-armv7a8-toolchain/arm-v7a8-linux-gnueabi/libc
--with-build-sysroot=/home/jal/VDLinux-armv7a8-toolchain/arm-v7a8-linux-gnueabi/libc
--enable-languages=c,c++
--with-as=/home/jal/VDLinux-armv7a8-toolchain/bin/arm-v7a8-linux-gnueabi-as
--with-ld=/home/jal/VDLinux-armv7a8-toolchain/bin/arm-v7a8-linux-gnueabi-ld
--enable-checking=release --disable-multilib
--enable-llvm=/home/jal/llvm-2.7 --enable-clocale=gnu --with-cpu=cortex-a8
--with-interwork --with-arch=armv7-a --with-mode=arm --with-tune=cortex-a8
--with-fpu=vfp3 --with-float=softfp --disable-bootstrap --disable-libmudflap
--disable-libssp

Thanks & Regards
Sanjeev

On Mon, Jul 12, 2010 at 7:55 PM, Anton Korobeynikov <anton at korobeynikov.info
> wrote:

> > ~/Desktop/Sanjeev/LLVM/llvm-2.7/Release/lib/libLLVMgold.so --eh-frame-hdr
> > -melf_i386 -dynamic-linker /lib/ld-linux.so.2 /usr/lib/crt1.o
> Ok, this way you're generating code for x86
>
> > /usr/lib/crti.o
> > /usr/local/lib/gcc/i686-pc-linux-gnu/4.2.0/crtbegin.o
> > -L/usr/local/lib/gcc/i686-pc-linux-gnu/4.2.0  -L/usr/local/lib -lgcc
> > --as-needed -lgcc_s --no-as-needed -lc -lgcc -lpthread -lrt --as-needed
> > -lgcc_s --no-as-needed
> /usr/local/lib/gcc/i686-pc-linux-gnu/4.2.0/crtend.o
> > /usr/lib/crtn.o a.o -o sanjeevtest
> And you're using x86 libs. Surely you won't obtain ARM binary.
>
> --
> With best regards, Anton Korobeynikov
> Faculty of Mathematics and Mechanics, Saint Petersburg State University
>
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