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Index > Windows > Why doesn't COFF format support ALIGN larger than 4?
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system error



Joined: 01 Sep 2013
Posts: 670
system error 14 Mar 2017, 21:18
Why doesn't COFF format support ALIGN larger than 4? Any particular reason?


Last edited by system error on 15 Mar 2017, 04:40; edited 1 time in total
Post 14 Mar 2017, 21:18
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bitRAKE



Joined: 21 Jul 2003
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bitRAKE 15 Mar 2017, 04:31
IIRC, 2^13 alignment is possible? Are we talking file alignment, section alignment? Can you give an example?
Post 15 Mar 2017, 04:31
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system error



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system error 15 Mar 2017, 04:43
I meant larger than 4. Sorry.

FASM complains "section not align enough" both in code and data if I used "ALIGN 8". I meant that directive ALIGN.
Post 15 Mar 2017, 04:43
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system error



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system error 15 Mar 2017, 04:46
I want to know whether it is a COFF / COFF64 -bound specification or something from FASM.
Post 15 Mar 2017, 04:46
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bitRAKE



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bitRAKE 15 Mar 2017, 14:18
ALIGN bases it's limitations on the section alignment to insure granularity is actually possible. So, I would assume you've not aligned the section sufficiently.

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Post 15 Mar 2017, 14:18
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Tomasz Grysztar



Joined: 16 Jun 2003
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Tomasz Grysztar 15 Mar 2017, 14:46
Only the Microsoft extensions to COFF format (the "MS COFF" as it is called in fasm) support custom alignments of sections.
Post 15 Mar 2017, 14:46
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system error



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system error 21 Mar 2017, 06:06
Thanks for clearing that up people. I forgot that a section can be tagged with ALIGN.
Post 21 Mar 2017, 06:06
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