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Re: mno-eabi option on powerpc-elf
- From: Rohit Arul Raj <rohitarulraj at gmail dot com>
- To: gcc-help at gcc dot gnu dot org
- Date: Mon, 10 Oct 2011 18:36:55 +0530
- Subject: Re: mno-eabi option on powerpc-elf
- References: <CAPVMLfWBhQFjmMjo=KJ3zJz5=FMdJ-ZzPjFVpDkGyLQS97-2+A@mail.gmail.com> <CAPVMLfXdPc0-rvKzen79MwZJDEU6SFiz+tofu8o9XfNfko3kfA@mail.gmail.com> <mcry5wt77tn.fsf@coign.corp.google.com> <CAPVMLfVrgkGykSdiqFYUXmBFFguGv=Wq4RZ5CDW1YQH0kCrZYw@mail.gmail.com>
On Mon, Oct 10, 2011 at 1:07 PM, Rohit Arul Raj <rohitarulraj@gmail.com> wrote:
> On Mon, Oct 10, 2011 at 10:37 AM, Ian Lance Taylor <iant@google.com> wrote:
>> Rohit Arul Raj <rohitarulraj@gmail.com> writes:
>>
>>> I am working with powerpc-elf tool chain v4.5.2 (with newlib).
>>>
>>> I need some clarification regarding the -mno-eabi option. From the GCC
>>> docs, this option means that the tool chain does not adhere to EABI.
>>>
>>> -mno-eabi:
>>> ? ? ? ? ?On System V.4 and embedded PowerPC systems do not adhere to
>>> the Embedded Applications Binary Interface (eabi) which is a set of
>>> modifications to the System V.4 specifications.
>>>
>>> Does that mean if i use '-mno-eabi', it will adhere to System V.4
>>> specs completely like the 'powerpc-linux' tool chain?
>>
>> This question would be more appropriate for the mailing list
>> gcc-help@gcc.gnu.org. ?Please take any followups to gcc-help. ?Thanks.
>>
>> Yes, using -mno-eabi should give you an ABI identical to standard System
>> V.4.
>>
>> Ian
>>
>
> Thanks Ian.
>
> Also it has been mentioned in the gcc/config/rs6000/rs6000.c that "A
> happy side-effect is that ?'-mno-eabi' libraries can be used with
> '-meabi' programs". i also see the 'newlib' built with '-mno-eabi'
> option.
>
> Is using 'mno-eabi' libs with 'meabi' program conforms to ABI standard?
>
> Thanks,
> Rohit
>
Got the following links which says they are compatible.
http://www.rtems.com/ml/rtems-users/2002/may/msg00136.html
http://comments.gmane.org/gmane.comp.lib.newlib/1681
Please let me know otherwise.
Thanks,
Rohit