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Re: Removal of unexec support from glibc malloc


From: Richard Stallman
Subject: Re: Removal of unexec support from glibc malloc
Date: Wed, 27 Jan 2016 17:52:53 -0500

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  > I think the dump-and-reload cycle resets global variables defined in
  > libraries as long as they are not referenced by the main program.  This
  > means libraries have difficulties to retain references to objects
  > allocated before the dump.

Variables allocated by static libraries are stored like variables
allocated in any other file.  Their value should be dumped.

I don't know what happens with shared libraries, but

  >   This
  > means libraries have difficulties to retain references to objects
  > allocated before the dump.

if that were true, we would see enormous problems, so I think it
must not be true.

-- 
Dr Richard Stallman
President, Free Software Foundation (gnu.org, fsf.org)
Internet Hall-of-Famer (internethalloffame.org)
Skype: No way! See stallman.org/skype.html.




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