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Re: [Help-smalltalk] CStruct ABI and packed structs
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From: |
Holger Hans Peter Freyther |
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Subject: |
Re: [Help-smalltalk] CStruct ABI and packed structs |
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Date: |
Fri, 15 Oct 2010 18:17:18 +0200 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.9) Gecko/20100921 Fedora/3.1.4-1.fc14 Lightning/1.0b2 Thunderbird/3.1.4 |
On 10/15/2010 06:14 PM, Paolo Bonzini wrote:
> On 10/15/2010 05:55 PM, Holger Hans Peter Freyther wrote:
>>
>> is there a place for CPackedStruct in the GST Kernel? Somewhere else?
>
> There is; however, it's a bit more tricky than this, because access to
> unaligned members will trap on some architectures.
Sure, would you want to patch it in the 'value' implementations? or somewhere
in the C code? Would you want to introduce 'parallel' types that can handle
unaligned access? CArray -> CArrayUnaligned?