GNU bug report logs - #24892
{s,}brk removed from FreeBSD 11.x and later, arm64 architecture

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Package: emacs;

Reported by: ashish.is <at> lostca.se (Ashish SHUKLA)

Date: Mon, 7 Nov 2016 06:09:02 UTC

Severity: important

Tags: fixed, patch

Merged with 28308

Fixed in version 26.1

Done: Noam Postavsky <npostavs <at> users.sourceforge.net>

Bug is archived. No further changes may be made.

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Andreas Schwab <schwab <at> suse.de>
Cc: 24892 <at> debbugs.gnu.org, Ashish SHUKLA <ashish.is <at> lostca.se>
Subject: bug#24892: {s, }brk removed from FreeBSD 11.x and later, arm64 architecture
Date: Thu, 10 Nov 2016 09:22:16 -0800

On 11/10/2016 09:00 AM, Andreas Schwab wrote:
> If you don't dump the heap then you miss everything allocated through
> lisp_malloc that isn't explicitly copied to pure space.

Sure, but why isn't this a problem in FreeBSD 11.0 x86-64? On that 
platform, sbrk (0) == (byte *) old_bss_addr + old_bss_size when unexec 
is called, so why doesn't unexec miss the same objects on that platform? 
What's different about the ARM64 platform?
This bug report was last modified 7 years and 201 days ago.

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