[M3devel] friendly reminder/request for cooperative suspend

[Jay K]

friendly reminder/request: I'd like to see the system changed to use cooperative suspend.

Combined with a C backend, that would greatly expand portability and remove existing target-dependent code (i.e. already ported) from the system.

I'm not confident that GetThreadContext works on "wow64".It'd fix that.

We can compute the top/bottom of the stack fairly portably -- address of locals.We can capture current context/registers via setjmp.Or maybe getcontext.(We should find out about setjmp/longjmp munging -- what gets munged? Everything? Just non-gc-roots? Only after longjmp?)Itanium is special -- there is a second stack growing up from the same base.

I'd like this way more than LLVM.

Maybe I can work on. Maybe.

I believe typical production Java VMs use cooperative suspend.

 - Jay 		 	   		  
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