How to exclude standard cells from obfuscator

[Yaswanth Puvvada]

Hi,

I am trying to obfuscate structural verilog code using verible-obfuscate . Preserve-interface option is preserving the name of intermediate modules but not of standard cells.  Is there a way to exclude standard cell names from obfuscation. 

Thanks.

[David Fang]

One way to preserve a set of identifiers is to pass a file to `--load_map` that contains the ones you want to preserve.

You just have to write the identifier twice on the same line.  This could be generated from a list of known standard cells.

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[Yaswanth Puvvada]

Thanks a lot David. That worked. Extending the idea:  we should also provide the pin names of standard cells in the load_map so that the pin names are preserved as well.