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From: Marcus Shawcroft <marcus.shawcroft@gmail.com>
To: Venkataramanan Kumar <venkataramanan.kumar@linaro.org>
Cc: libc-ports@sourceware.org, Patch Tracking <patch@linaro.org>
Subject: Re: [PATCH] [AARCH64]: Pointer mangling support for Aarch64
Date: Fri, 10 Jan 2014 10:40:00 -0000	[thread overview]
Message-ID: <CAFqB+Pw2jPnpiNhmyNyOHU4O4vRL9mQ45SwOxttM2Mbzyg-MAg@mail.gmail.com> (raw)
In-Reply-To: <CAJK_mQ2QCwEsV4-o6pha+jcN9dNDoRuKMP9vCWd6kvsf-K9yYg@mail.gmail.com>

On 8 January 2014 10:32, Venkataramanan Kumar
<venkataramanan.kumar@linaro.org> wrote:

> Also looking at x86 and powerpc ports.
> They pass argument 1 - the address of jump buffer
>                 argument 2 - return value of __longjmp
>                 argument 3 - PC address or the jump target

> For Aarch64, the longjmp/longjmp_target probe passed as below.
>    *  first argument -  8@address of jmpbuf in x0.
>    *  second argument-  -4@return val in x1.
>    *  third argument-  8@ PC address or jump target target in LR/X30.

OK, so the arguments to the LIBC_PROBES in your patch look sensible.

> is that fine?

I'd like to see follow up to Will's question regarding placement of
the two probes.

>
>>
>> Do we need probes in setjmp aswell?
>
> Ok, I will add that as well.
> I have not yet tested, the patch by enabling --enable-systemtap as it

The patch needs to be tested ;-)

Cheers
/Marcus

      reply	other threads:[~2014-01-10 10:40 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-26 12:25 Venkataramanan Kumar
2013-12-26 19:33 ` Richard Henderson
2013-12-27  7:48   ` Venkataramanan Kumar
2013-12-27 15:09     ` Richard Henderson
2013-12-30  5:00       ` Venkataramanan Kumar
2013-12-30 14:45         ` Richard Henderson
2013-12-30 15:36           ` Venkataramanan Kumar
2013-12-30 22:20         ` Marcus Shawcroft
2013-12-31  5:15           ` Venkataramanan Kumar
2014-01-01 17:42             ` Marcus Shawcroft
2014-01-06 18:11 ` Tom Tromey
2014-01-07 11:05   ` Venkataramanan Kumar
2014-01-07 12:17     ` Marcus Shawcroft
2014-01-07 18:10       ` Tom Tromey
2014-01-10  9:54         ` Will Newton
2014-01-20  9:01         ` Will Newton
2014-01-20 16:45           ` Tom Tromey
2014-01-20 17:02             ` Will Newton
2014-01-08 10:32       ` Venkataramanan Kumar
2014-01-10 10:40         ` Marcus Shawcroft [this message]

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