As other commenters have mentioned, exploiting this will confuse other tools and debuggers. Also it tends to play havoc with branch prediction meaning that there may be performance penalties.
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ARM Assembly: ∞ Ways to Return (2017)
21–23 of 23 posts
Re: ARM Assembly: ∞ Ways to Return (2017)
#22Anyone has the link to the usenet discussion saying that PC (R15) as a GPR was too "uniform" (idk how it called it)?
Re: ARM Assembly: ∞ Ways to Return (2017)
#23fwiw, if you're using ARM assembly on an Apple device there are a few differences and one of them is how you pass arguments. https://developer.apple.com/documentation/xcode/writing-arm6...
Quite interesting. Wonder any analysis about at least some of these choices.