Re: Patching kernel headers

[Arnaud Lacombe <lacombar at gmail dot com>]

Hi,

On Fri, Oct 29, 2010 at 10:13 AM, milan radulovic
<radulovic_milan@yahoo.com> wrote:
> Hi Arnaud,
>
> my simulator executes MIPS instructions, so when I have system calls the values for flags like O_APPEND, O_CREATE, O_TRUNC in MIPS cross compiled binaries are not the same like on host.
>
so when the MIPS code calls fcntl(2), this system call is forwarded to
the host kernel ? there is no MIPS kernel in your setup ?

 - Arnaud


>
> Milan
>
>
> --- On Fri, 10/29/10, Arnaud Lacombe <lacombar@gmail.com> wrote:
>
>
> From: Arnaud Lacombe <lacombar@gmail.com>
> Subject: Re: Patching kernel headers
> To: "milan radulovic" <radulovic_milan@yahoo.com>
> Cc: yann.morin.1998@anciens.enib.fr, crossgcc@sourceware.org
> Date: Friday, October 29, 2010, 4:01 PM
>
>
> Hi,
>
> On Fri, Oct 29, 2010 at 3:34 AM, milan radulovic
> <radulovic_milan@yahoo.com> wrote:
>>
>> Hi Arnaud,
>>
>> Thank you very much for your reply.
>>
>> As I stated in my prevoius message I have a mips simulator that I run on x86 linux machine. This is the reason why?I need xtool for mips.
>>
> if it runs in a simulator, why would you need both (host's and
> target's) fcntl.h to be the same ?
>
> - Arnaud
>
>> Since you said that /bits stuff did not come from kernel, could you please advice me what I need to do to change the flags value in fcntl.h file in /bits?
>>
>> Kind regards,
>>
>> Milan
>>
>> --- On Fri, 10/29/10, Arnaud Lacombe <lacombar@gmail.com> wrote:
>>
>> From: Arnaud Lacombe <lacombar@gmail.com>
>> Subject: Re: Patching kernel headers
>> To: "milan radulovic" <radulovic_milan@yahoo.com>
>> Cc: yann.morin.1998@anciens.enib.fr, crossgcc@sourceware.org
>> Date: Friday, October 29, 2010, 3:37 AM
>>
>> Hi,
>>
>> On Thu, Oct 28, 2010 at 4:05 PM, milan radulovic
>> <radulovic_milan@yahoo.com> wrote:
>> > Hi Yann, All,
>> >
>> > please find attached my,patch file. I tried to do as you suggested me but after I successfully built the xtool for mips-unknown-linux-uclibc target, mips2, BE, no threads, I noticed that no changes in fcntl.h file in /x-tools/mips-unknown-linux-uclibc/mips-unknown-linux-uclibc/include/bits/.
>> >
>> because the bits/ stuff does not come from the kernel.
>>
>> > Did I make patch file in proper way? What are the switches in diff that you are usually using ?when making patches?
>> >
>> > Any possibility to get reply from you on my previous message?
>> >
>> well... I don't really see the point of this, especially the
>> "executing mips binary on x86".
>>
>> - Arnaud
>>
>
>
>
>
>

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