From: Eli Zaretskii <eliz@is.elta.co.il>
To: Klee Dienes <klee@apple.com>
Cc: gdb-patches@sources.redhat.com
Subject: Re: [PATCH] Compare contents when evaluating an array watchpoint
Date: Sun, 06 Oct 2002 22:53:00 -0000 [thread overview]
Message-ID: <Pine.SUN.3.91.1021007075212.6644A-100000@is> (raw)
In-Reply-To: <51EACEDC-D90C-11D6-9330-00039396EEB8@apple.com>
On Sun, 6 Oct 2002, Klee Dienes wrote:
> The following patch allows one to set watchpoints on arrays, and have
> the watchpoint triggered if any element in the array changes. Without
> the patch, the C value_equal semantics causes the address of the array
> to be checked for change, not the contents --- resulting in a
> watchpoint that can never be hit.
>
> This is particularly useful if one wants to do commands like watch
> {char[80]} 0xfff0000, or similar, in order to watch an arbitrary region
> of memory.
What will this do to hardware watchpoints on arrays/array elements? On
many platforms, hardware watchpoints have size limitations, so large
arrays cannot be watched in their entirety.
next prev parent reply other threads:[~2002-10-07 5:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-06 2:16 Klee Dienes
2002-10-06 22:53 ` Eli Zaretskii [this message]
2002-10-06 23:12 ` Klee Dienes
2002-10-07 7:26 ` Eli Zaretskii
2002-10-07 11:50 ` Klee Dienes
2002-10-09 12:42 ` Eli Zaretskii
2002-10-21 17:44 ` Andrew Cagney
2002-11-04 18:27 ` [RFA] " Klee Dienes
2002-11-18 9:52 ` [PATCH] " Jim Blandy
2003-01-08 0:46 ` Andrew Cagney
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