linux-kernel - Re: [PATCH] arch/score/include/uapi/asm/ptrace.h: Add prefix 'SCORE

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Date:	Wed, 25 Jun 2014 08:28:53 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	Guenter Roeck <linux@...ck-us.net>,
	Liqin Chen <liqin.linux@...il.com>,
	Lennox Wu <lennox.wu@...il.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arch/score/include/uapi/asm/ptrace.h: Add prefix 'SCORE_'
 for related macros



On 06/24/2014 10:44 PM, Guenter Roeck wrote:
> On 06/24/2014 06:24 AM, Chen Gang wrote:
>> On 06/23/2014 11:03 AM, Chen Gang wrote:
>>> On 06/22/2014 11:02 PM, Guenter Roeck wrote:
>>>> On 06/22/2014 07:53 AM, Guenter Roeck wrote:
>>>>> 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.
>>>>>
>>
>> Can we repeated this issue, or it is random?  I have try it use my
>> current gcc version, it has no issue.
>>
>> If it can be repeated in the latest version, I shall use version compine
>> (and try step by step) to fix it.
>>
>> If real random issue, if possible, please help repeated and generate
>> coredump file, and put it to a place to let me get back for analysing.
>>
> I got the same error each time. You should be able to reproduce it by
> checking out the latest gcc. If that doesn't produce the error, try
> checking out sha d8686b0aa945a. I didn't keep that compiler after the tip
> of the gcc 4.9 branch worked, so I'd have to rebuild it myself
> to reproduce it myself.
> 
> Note that compilation of libssp failed with d8686b0aa945a, which is why
> I disabled it. I didn't try to build it with 4.9.
> 

Thank you very much for your work.

It is my chance to fix gcc issues which I have planed, I shall continue
based on it, hope I can finish within this month (within 2014-06-30).


Thanks.
-- 
Chen Gang

Open, share, and attitude like air, water, and life which God blessed
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