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flat assembler > Windows > multiple .asm gives multiple sections

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int0x50



Joined: 19 Jul 2019
Posts: 13
I am writing a project with multiple ASM files. In the main .asm file I have included all the other .asm files. I have compiled it and it works fine. But, since I have created .data and .text sections in each .asm, I have multiple sections in the PE file as well. Is this recommended?

How to keep everything in one single .data and .text section?
Post 07 Aug 2019, 11:40
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edfed



Joined: 20 Feb 2006
Posts: 4209
Location: 2018
to achieve this, don't declare sections for each included file, but only beofre the first include.
Post 07 Aug 2019, 13:01
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 16782
Location: In your JS exploiting you and your system
There are three options I can think of.

1) Rewrite your code to manually merge all the sections together in the source.
2) Output a linkable format and use the linker to merge the sections.
3) Use macros to build and extend lists for each section.
Post 07 Aug 2019, 13:13
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ProMiNick



Joined: 24 Mar 2012
Posts: 356
Location: Russian Federation, Sochi
Thou not needed to split code & data in subincludes at all.
do section splitting in main file only. Nothing terrible if dota & code would be intermixed.
And even if thour file would be presented by one single section there is nothing terrible - thou could intermix everithing there.
But if thou going to place there resources too thou should name section as .rsrc and start it from resource header - after thou could intermix within it imports exports data & code or whatever.
So classification of bytes sequences on data and code is very abstract.
Thou are free to play in that abstraction or ignore it.
Post 07 Aug 2019, 16:02
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DimonSoft



Joined: 03 Mar 2010
Posts: 572
Location: Belarus
ProMiNick wrote:
Nothing terrible if dota & code would be intermixed.

Actually, this one is not a good idea unless one already has to have them intemixed (sizecoding?).
Post 07 Aug 2019, 16:53
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SokilOff



Joined: 20 Sep 2010
Posts: 15
int0x50 wrote:
I am writing a project with multiple ASM files. In the main .asm file I have included all the other .asm files. I have compiled it and it works fine. But, since I have created .data and .text sections in each .asm, I have multiple sections in the PE file as well. Is this recommended?

How to keep everything in one single .data and .text section?


Long ago I had the same question. And, as revolution already said, macro is probably the best way to keep all code and data parts in the appropriate sections.
You can take a look here.
Post 08 Aug 2019, 21:12
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