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Very cool.

I tried this with notepad.exe on Windows 8.1 64-bit and this command:

frida-trace -i "CreateFile*" notepad.exe

produces this exception after saving a file from Notepad:

ValueError: invalid literal for int() with base 16: '0x7ffb216c62b8L'

Oops, that's a silly bug in frida-gum (sorry!), it should strip off the "L" suffix when calling toString() on a NativePointer object. As a band-aid you can either try with a 32-bit target process or locally hack it in your installed frida/core.py (just strip off the trailing "L" anywhere there's an int(a, 16) call. Expect a bugfix release tomorrow evening to fix this proper, so don't hesitate to let me know of any other issues.

Thanks!

I tried with another app and was able to trace OpenGL calls trivially. Very nice work.

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