I'm not sure it is necessary. The intent is to make sure we don't access off the top of the stack. sys.MinFrameSize should really handle that, I think. My guess is that the 4*sys.PtrSize was from before we had the MinFrameSize concept defined.
On Monday, July 12, 2021 at 12:32:09 AM UTC-7 peng.g...@gmail.com wrote: > In the code > https://github.com/golang/go/blob/master/src/runtime/proc.go#L4317, there > is a 4*PtrSize extra space. What is the purpose? > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/5fd47243-0dd0-4977-a013-22be812d99ebn%40googlegroups.com.
