Ian Lance Taylor writes:
> libgcc/ChangeLog:
>
> 2011-11-07 Ian Lance Taylor
>
> * generic-morestack.c: Include .
> (uintptr_type): Define.
> (struct initial_sp): Add dont_block_signals field. Reduce size of
> extra array by 1.
> (allocate_segment): Set prev fiel
This patch adds some support for context switching to the -fsplit-stack
support routines in libgcc. I intend to use this in the Go library to
support multiplexing multiple goroutines onto a single pthread. They
work similarly to getcontext/setcontext/makecontext.
This patch also adds control ove
