From: "Joel C. Salomon" <joelcsalomon@gmail.com>
To: 9fans@9fans.net
Subject: Re: [9fans] assembly syntax in plan 9
Date: Mon, 16 Jan 2012 15:11:24 -0500 [thread overview]
Message-ID: <4F14846C.4040706@gmail.com> (raw)
In-Reply-To: <CFE0D78F-3C9A-4DB5-A3F2-13A8FC54BD74@bitblocks.com>
On 01/16/2012 02:03 PM, Bakul Shah wrote:
> On Jan 16, 2012, at 10:51 AM, Greg Comeau <comeauat9fans@gmail.com> wrote:
>> What we do in problematic cases with Comeau is to generate code to
>> arrange for the allocation of the VLA on the heap. I'm not saying
>> this is perfect, but at least it gets the feature implementable and up
>> and running as "a portable implementation" versus perhaps not being
>> able to implement it at all on some platforms.
>
> How do you deal with longjmp?
I recall reading the source for a (mostly-) portable alloca() that
checked where on the call-stack is was invoked from and released memory
for any alloca() invocation from lower on the stack. (The allocations
themselves were on the heap.)
--Joel
next prev parent reply other threads:[~2012-01-16 20:11 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-16 12:30 Alexander Kapshuk
2012-01-16 13:08 ` Charles Forsyth
2012-01-16 13:27 ` Alexander Kapshuk
2012-01-16 15:41 ` Bakul Shah
2012-01-16 18:51 ` Comeau At9Fans
2012-01-16 19:03 ` Bakul Shah
2012-01-16 19:39 ` Charles Forsyth
2012-01-17 19:27 ` Comeau At9Fans
[not found] ` <CAOw7k5iYxoVUHYYxf1Dg9ESWwTon_aGFxhNkuyUGbkXwiKO9DA@mail.gmail.c>
2012-01-16 19:49 ` erik quanstrom
2012-01-17 19:29 ` Comeau At9Fans
2012-01-16 20:11 ` Joel C. Salomon [this message]
2012-01-16 23:18 ` Bakul Shah
2012-01-17 19:31 ` Comeau At9Fans
2012-01-17 19:21 ` Comeau At9Fans
2012-01-18 17:48 ` Bakul Shah
2012-01-18 18:32 ` Comeau At9Fans
2012-01-16 16:07 ` Joel C. Salomon
2012-01-16 16:27 ` erik quanstrom
2012-01-16 16:40 ` Charles Forsyth
2012-01-16 16:54 ` Bakul Shah
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