[Mono-list] msil/cil editting library

[Andrew Huntwork]

we're currently working on a java bytecode obfuscator/watermarker (www.cs.arizona.edu/sandmark/), and we'd like to obfuscate/watermark cil/msil assemblies as well. we're just starting to investigate this, so i could easily imagine that I have some terminology wrong already.

we currently use BCEL (bcel.sf.net) to edit java bytecode. bcel provides apis to view and change almost all attributes of classes and methods, including the instruction lists of methods.

we'd like to use and possibly develop or help to develop a similar library for msil, and it appears that the mono project contains large pieces of such a library in easily usable form already (file parsing, metadata parsing, method representation, control flow graph representation, etc). I haven't run across any code that would allow me to dump a modified MonoMethod back into a MonoImage or a MonoImage back into an assembly. Does such code exist? I have found code that interprets the instructions and arguments in a byte array, but having some kind of higher level view of instructions and arguments is sometimes helpful. Does mono contain such an abstraction?

Does anyone have any advice on developing such a library? Is anyone aware of existing libraries that do this kind of thing?

Thanks very much for your help.


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