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Putting 32 bit code into different sections

Posted on 1998-08-24
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Last Modified: 2010-04-01
How do I tell the compiler to put a function (or group of functions) into a specific named PE file section?

The default is for code to go into the .text section. I want to put some routines into a .txt1 section and some others into a .txt2 section.

I am using Microsoft Developer Studio (MSVC++ 4.1)
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Question by:icd
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warmcat earned 800 total points
ID: 1171060
data_seg
#pragma data_seg( ["section-name"[, "section-class"] ] )

Specifies the default section for data. For example:




#pragma data_seg( "MY_DATA" )
causes data allocated following the #pragma statement to be placed in a section called MY_DATA.

Data allocated using the data_seg pragma does not retain any information about its location.

The second parameter, section-class, is included for compatibilty with versions of Visual C++ prior to version 2.0, and is now ignored.

. and ...

code_seg
#pragma code_seg( ["section-name"[,"section-class"] ] )

Specifies a code section where functions are to be allocated. The code_seg pragma specifies the default section for functions. You can, optionally, specify the class as well as the section name. Using #pragma code_seg without a section-name string resets allocation to whatever it was when compilation began.

. and ...

const_seg
#pragma const_seg( ["section-name"[, "section-class"] ] )

Specifies the default section for constant data. The data_seg pragma has the same effect but works with all data. You can use this pragma to put all your constant data in one read-only section.




#pragma const_seg( "MY_DATA" )
causes constant data allocated following the #pragma statement to be placed in a section called MY_DATA.

Data allocated using the const_seg pragma does not retain any information about its location.

The second parameter, section-class, is included for compatibilty with versions of Visual C++ prior to version 2.0, and is now ignored.


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Author Comment

by:icd
ID: 1171061
Sorry for the delay in grading your excellent answer. It seems I did not receive notification by email!
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