Ed,

> https://reviews.freebsd.org/rS357450
> addr2line: Cache CU DIEs upon a successful address lookup

In https://reviews.freebsd.org/D23418 there is mention of increased
memory usage, from 256K to 77M.  This seems a large increase; was it
looked at in FreeBSD?

The Minix microkernel is one of our supported OSes -- I would keep an
eye on RAM usage so that the project remains usable there.

What is the specific problem that this patch is attempting to address?

> However this uses BSD's sys/tree.h, and I am not sure if it's
> available on Linux distros. Once we have CI for Linux (or get advice
> on sys/tree.h there) I will work on bringing these changes upstream.

<sys/tree.h> would be part of the "libbsd-dev" package in
Ubuntu/Debian ("libbsd-dev" is listed as a build pre-requisite).

--
Joseph Koshy | Volunteer Developer, The Elftoolchain Project


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