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SubjectRe: [uClinux-dev] [PATCH/RFC] FDPIC: add hook for arches to customize program header parsing
On 12/07/2009 06:10 PM, Mike Frysinger wrote:
> On Fri, Dec 4, 2009 at 19:28, Jie Zhang<wrote:
>> On 12/05/2009 01:44 AM, David Howells wrote:
>>> Mike Frysinger<vapier@gentoo.org> wrote:
>>>> The Blackfin port has custom program header flags/addresses for
>>>> automatically loading regions into the dedicated on-chip SRAM. So add a
>>>> hook for ports to leverage.
>>>
>>> Now that I've ACK'd this, I feel I'm going to have to NAK it. I'm not
>>> against
>>> the general concept, but:
>>>
>>>> + do_munmap(mm, *maddr, phdr->p_memsz + *disp);
>>>
>>> There needs to be a mapping covering the SRAM region for the purposes of
>>> the
>>
>> Our GDB is still lack of the feature to debug applications using SRAM.
>
> semi true. L1 text appears to work fine:

This is by lucky. We need some feature in GDB 7.0 to cope with code or
data in L1 SRAM.


Jie


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