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SubjectRe: [PATCH] arch/score/include/uapi/asm/ptrace.h: Add prefix 'SCORE_' for related macros
On 06/22/2014 07:53 AM, Guenter Roeck wrote:
> On 06/21/2014 10:33 PM, Chen Gang wrote:
>
> [ ... ]
>
>>> Any idea where to find a cross-compile toolchain for this architecture ?
>>>
>>
>> I use latest source code of gcc and binutils with git.
>>
>> related source code:
>>
>> git://sourceware.org/git/binutils-gdb.git
>> git://gcc.gnu.org/git/gcc.git
>>
>> Issues:
>>
>> For binutils, have to use the latest one (I have fixed one segment
>> fault issue of gas for score, and integrated into gas main line by
>> maintainer in Jun 13, 2014).
>>
>> For gcc (after binutils has installed), when building glibc, may need
>> modify the absolute path for score-elf-gas, score-elf-ld ... in
>> related auto-generated file.
>>
>> Under ubuntu (but under fedora, it is OK), may need export
>> LD_LIBRARY_PATH=/usr/local/lib for searching libmpfr.so.
>>
>> My current binary informations:
>>
>> root@gchen:/upstream/toolchain/binutils-gdb# /usr/local/bin/score-elf-ld -v
>> GNU ld (GNU Binutils) 2.24.51.20140609
>> root@gchen:/upstream/toolchain/binutils-gdb# /usr/local/bin/score-elf-as -v
>> GNU assembler version 2.24.51 (score-elf) using BFD version (GNU Binutils) 2.24.51.20140609
>> root@gchen:/upstream/toolchain/binutils-gdb# /usr/local/bin/score-elf-gcc -v
>> Using built-in specs.
>> COLLECT_GCC=/usr/local/bin/score-elf-gcc
>> COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/score-elf/4.10.0/lto-wrapper
>> Target: score-elf
>> Configured with: ../gcc/configure --without-header --disable-nls --enable-language=c --disable-threads --disable-shared --enable-werror=no target_configargs=enable_vtable_verify=yes --target=score-elf --enable-obsolete
>> Thread model: single
>> gcc version 4.10.0 20140530 (experimental) (GCC)
>>
>
> I did that, and managed to build gcc.
>
> However, when trying to compile score defconfig, I get internal compiler errors in cc1
> when compiling drivers/tty/tty_mutex.o and block/elevator.o.
>
> CC block/elevator.o
> score-elf-gcc: internal compiler error: Segmentation fault (program cc1)
> 0x40c073 execute
> ../../gcc/gcc/gcc.c:2848
> Please submit a full bug report,
> with preprocessed source if appropriate.
> Please include the complete backtrace with any bug report.
> See <http://gcc.gnu.org/bugs.html> for instructions.
> make[1]: *** [block/elevator.o] Error 4
> make: *** [block/elevator.o] Error 2
>
> Do you see that as well ?
>
> This is with
>
> GNU assembler version 2.24.51 (score-elf) using BFD version (GNU Binutils) 2.24.51.20140622
>
> and gcc configured with:
>
> Configured with: ../gcc/configure --prefix=/opt/kernel/score --program-prefix=score-elf- \
> --target=score-elf --without-header --disable-nls --enable-languages=c --disable-threads \
> --disable-shared --enable-werror=no target_configargs=enable_vtable_verify=yes \
> --enable-obsolete --disable-libssp --disable-libquadmath
>
> Tip of gcc source is commit d8686b0aa945a, tip of binutils source is commit d17c74c1d41.
> Your assembler fix is included in this version of binutils.
>

Never mind, turns out I get score:defconfig to compile when using the tip of the gcc 4.9 branch.

Guenter



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