tree 6b3e2e6ccc3a1475e0383464506064755b36d839
parent cdf388b1ab3e71980ab3a51ea2450d4b328b9eac
author Keith Randall <khr@golang.org> 1588637168 -0700
committer Keith Randall <khr@golang.org> 1593209668 +0000

cmd/viewcore: handle 1.14 free spans

Free spans are now implicit. Derive the free span information
by finding all the memory in the inuse address ranges that isn't
attributed to any span.

Fixes viewcore for all versions of 1.14.
Also works for tip.

Fixes golang/go#38638

Change-Id: Ied283f59391aad8ed5b1b657d2fd6e89e9e9ae6c
Reviewed-on: https://go-review.googlesource.com/c/debug/+/232161
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>