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Mastering Assembly Programming
book

Mastering Assembly Programming

by Alexey Lyashko
September 2017
Beginner to intermediate
290 pages
6h 58m
English
Packt Publishing
Content preview from Mastering Assembly Programming

Exporting symbols

The last macro in the series would be the one that makes it possible to export certain symbols. Our implementation of a cryptographic core would export just one symbol--the GetPointers() procedure--which, in turn, would return a pointer to a structure containing pointers to the rest of procedures. This macro follows the previously defined pattern:

; In this specific case, when the macro would be called ; at the end of the source, we may replace the; "macro finalize" declaration with the "postpone" directive.macro finalize{   if ACTIVE_TARGET = TARGET_W32_DLL      section '.edata' export data readable         export 'MA_CRYPTO.DLL',\            GetPointers, 'GetPointers'   else if ACTIVE_TARGET = TARGET_W32_OBJ      public GetPointers as '_GetPointers'
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Publisher Resources

ISBN: 9781787287488