Modify metadata programmatically (.net executable)
I want my application to be able to modify the metadata of the .net executable. Net class for this, or do I need to parse the executable? (Can Roslyn provide any help here?)
If I need to parse an exe - What is its format? I searched but only came up with this entry on Wikipedia .
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If I need to parse an exe - What is its format?
The format is specified in ECMA 335 , which describes Common Language Infrastructure . But that's over 400 pages, you don't want to create the reader / writer yourself. If you do, you should start with the section describing the header of the file (§II.25) .
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There are no .NET classes that allow you to rewrite IL.
You will need to select Mono.Cecil or read the CLR via C # and then write your own IL script. (This is technically possible since JB Evain wrote Mono.Cecil almost entirely himself.)
The Mono.Cecil source is available in full on Github .
The basics of using Mono.Cecil can be found on his wiki .
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