IOSurface exploit.
Gets tfp0, works on A7 through A10 devices on iOS 10.3.3 or lower (offsets not yet included though).
With Xcode:
make
Without Xcode/macOS you'll at least want to point IGCC and STRIP to tools that can handle Mach-O's and build for iOS. You might also have to adjust ARCH and IGCC_FLAGS.
Here.