From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Subject: Re: segfault with large-ish array with GNAT
Date: Fri, 19 Mar 2010 01:31:27 -0700 (PDT)
Date: 2010-03-19T01:31:27-07:00 [thread overview]
Message-ID: <bce19c00-0599-4ff6-a5cf-16bb3d742373@e7g2000yqf.googlegroups.com> (raw)
In-Reply-To: Xns9D3F84CEB288DWarrensBlatherings@85.214.113.135
Warren wrote on comp.lang.ada:
> Imagine
> a CPU that somehow in microcode was able to do a fast-malloc
> of a stack frame (as part of a call), linking the new
> frame back to the calling frame. Then you could eliminate
> the need for a "linear virtual stack region" altogether. This
> would allow code to freely fork into many parallel
> threads without the issue of pre-allocating stack [address]
> space to each new thread. When the called procedure executed
> a "return", it would (in microcode) free the current stack
> frame and return to the prior one. The "call" allocate/free's
> could be constrained to one general "stack heap".
I wonder how that would work with processors that have register
windows specifically to reduce the need for a memory-based stack (i.e.
SPARC, IA64 and maybe others).
--
Ludovic Brenta.
next prev parent reply other threads:[~2010-03-19 8:31 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-17 19:21 segfault with large-ish array with GNAT Jerry
2010-03-17 19:36 ` Gautier write-only
2010-03-17 19:58 ` Georg Bauhaus
2010-03-18 6:45 ` Jerry
2010-03-18 7:52 ` Ludovic Brenta
2010-03-18 23:57 ` Robert A Duff
2010-03-18 10:13 ` Jeffrey Creem
2010-03-18 10:23 ` Ludovic Brenta
2010-03-19 0:44 ` Jerry
2010-03-18 19:51 ` Adam Beneschan
2010-03-18 14:44 ` John B. Matthews
2010-03-19 4:44 ` Jeffrey R. Carter
2010-03-19 8:14 ` John B. Matthews
2010-03-18 15:36 ` Gautier write-only
2010-03-18 16:46 ` tmoran
2010-03-18 19:11 ` Warren
2010-03-18 17:03 ` Warren
2010-03-18 20:38 ` Maciej Sobczak
2010-03-19 13:26 ` Charmed Snark
2010-03-19 17:27 ` tmoran
2010-03-19 18:02 ` Simon Wright
2010-03-19 20:10 ` Warren
2010-03-19 21:50 ` Adam Beneschan
2010-03-19 20:24 ` Warren
2010-03-19 20:38 ` Warren
2010-03-19 8:31 ` Ludovic Brenta [this message]
2010-03-19 13:20 ` Warren
2010-03-19 12:04 ` Brian Drummond
2010-03-19 19:22 ` Jerry
2010-03-19 20:22 ` Jeffrey R. Carter
2010-03-19 23:24 ` Jerry
2010-03-20 0:25 ` Jeffrey R. Carter
2010-05-07 21:58 ` Raising the stack limit (was: segfault with large-ish array with GNAT) Björn Persson
2010-03-17 19:57 ` segfault with large-ish array with GNAT jonathan
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