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Am 2014-02-20 17:20, schrieb Ken Thomases:
Besides running under an emulator, it may be possible to wrap every
call out to system libraries with code to save and restore the
register. Or, if you prefer to think of it this way, the wrapper
would be on exit from and entry back into native Windows binary
code. This would be somewhat similar to what we do with stack
alignment, although we have compiler help for that. Either way,
that would probably impose a significant performance penalty.
Sounds much more pleasant than an emulator. But doesn't the problem
also affect multitasking context switches?
I have some llvm work (__ms_hook_prologue__) on my todo list anyway.
Maybe it's an idea to add a compiler feature to take care of this.
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