From: Kevin Buettner <kevinb@redhat.com>
To: Andrew Cagney <ac131313@redhat.com>, Daniel Jacobowitz <drow@mvista.com>
Cc: wim delvaux <wim.delvaux@adaptiveplanet.com>, gdb@sources.redhat.com
Subject: Re: why is gdb 5.2 so slow
Date: Fri, 01 Nov 2002 10:44:00 -0000 [thread overview]
Message-ID: <1021101184351.ZM22820@localhost.localdomain> (raw)
In-Reply-To: Andrew Cagney <ac131313@redhat.com> "Re: why is gdb 5.2 so slow" (Nov 1, 1:32pm)
On Nov 1, 1:32pm, Andrew Cagney wrote:
> > In any case, this reminded me of something I keep forgetting. Modern
> > kernels a ptrace-attached process can open the child's /proc/<pid>/mem
> > and read from it. Writing to it is disabled, and mmap is not
> > implemented (oh the violence to the mm layer if that was allowed!).
> > But reading from it is probably faster than PTRACE_PEEKTEXT. I'll
> > investigate.
>
> Ah. How does solaris work then?
On Solaris, /proc provides a complete debug interface. On Linux, it doesn't.
Kevin
next prev parent reply other threads:[~2002-11-01 18:44 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-31 17:32 wim delvaux
2002-10-31 19:51 ` Daniel Jacobowitz
2002-11-01 5:31 ` wim delvaux
2002-11-01 6:58 ` Andrew Cagney
2002-11-01 7:15 ` wim delvaux
2002-11-01 7:17 ` Daniel Jacobowitz
2002-11-01 8:13 ` wim delvaux
2002-11-01 7:15 ` Daniel Jacobowitz
2002-11-01 8:55 ` Andrew Cagney
2002-11-01 10:14 ` Daniel Jacobowitz
2002-11-01 10:32 ` Andrew Cagney
2002-11-01 10:44 ` Kevin Buettner [this message]
[not found] ` <redirect-4290038@silicondust.com>
2002-11-01 8:36 ` Nick Kelsey
2002-11-01 11:43 Howell, David P
2002-11-01 12:46 ` Andrew Cagney
2002-11-04 12:44 ` Jim Blandy
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