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Date: Tue, 24 Aug 2010 17:33:00 -0000
From: Michael Snyder <msnyder@vmware.com>
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To: Hui Zhu <teawater@gmail.com>
CC: Eli Zaretskii <eliz@gnu.org>,  "gdb-patches@sourceware.org" <gdb-patches@sourceware.org>
Subject: Re: [Doc]tracepoint: change *$esp@300 to *(unsigned char *)$esp@300
References: <AANLkTin9QngDp-BZL15Fp2Qtaj1MWSa5Bvqy3=YnwO3t@mail.gmail.com> <83d3t8ogi4.fsf@gnu.org> <AANLkTinD0ks5aMvJDuGLa7seDUiHecjsj4q8FwYTKA7G@mail.gmail.com>
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Hui Zhu wrote:
> On Tue, Aug 24, 2010 at 11:07, Eli Zaretskii <eliz@gnu.org> wrote:
>>> From: Hui Zhu <teawater@gmail.com>
>>> Date: Tue, 24 Aug 2010 10:10:19 +0800
>>> Cc: Eli Zaretskii <eliz@gnu.org>
>>>
>>> But *(unsigned char *)$esp@300 can work:
>> What about *(int *)$esp@300 ?
>>
> 
> It will make trace collect 1200.
> If "unsigned char" is too big, what about *(char *)$esp@300?

But 300 words might be good too.  What about:

+bytes from the stack pointer with something like @code{*
(char *)$esp@@300}, or 300 words with @code{*(int *)$esp@@300}.