jeremiahar

3 ms·

1. 1.▲
   by jeremiahar 1y ago

   In my experience, as long as there's only a single implementation, devirtualization works well, and can even inline the functions. But you need to pass something along the lines of "-fwhole-program-vtables -fstrict-vtable-pointer&
2. 2.▲
   by jeremiahar 1y ago

   Clang also supports virtual function elimination with -fvirtual-function-elimination, which AFAIK currently requires full LTO [0]. Normally, the virtual functions can't be removed because the vtable is referencing them. It's very
3. 3.▲
   by jeremiahar 2y ago

   I worked on something like this back in 2016, I'm not sure how much things have changed since then. I used dynamic binary instrumentation to deal with the field encryption. Basically, manually map the executable into executable memory