From: arvid.brodin@enea.com (Arvid Brodin)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Build scatterlist covering a process' text segment?
Date: Wed, 25 May 2011 22:27:40 +0200 [thread overview]
Message-ID: <4DDD663C.4060201@enea.com> (raw)
In-Reply-To: <4DDAE865.6000608@enea.com>
Arvid Brodin wrote:
> Hi,
>
> How do I build a scatterlist covering the text segment of a process? I have
> found (struct task_struct).mm->start_code and ->end_code, that gives the address
> (in some - unknown to me - address space) of the text segment. Since my try to
> convert these addresses to an sglist:
>
> sg_init_one(&sg, task->mm->start_code, <length>);
>
> failed miserably, I'm guessing these addresses need to be converted to some
> address space compatible with sg_init_one()/sg_set_buf() before use? (I probably
> need to search for pages containing these addresses?)
>
Am I correct in that the addresses in (struct task_struct).mm->start_code and
->end_code belong to the address space of the process whose task_struct I'm looking
at?
--
Arvid Brodin
Enea Services Stockholm AB
next prev parent reply other threads:[~2011-05-25 20:27 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-23 23:06 Build scatterlist covering a process' text segment? Arvid Brodin
2011-05-25 20:27 ` Arvid Brodin [this message]
2011-05-26 4:02 ` Mulyadi Santosa
2011-05-27 21:58 ` Arvid Brodin
2011-05-28 9:42 ` Mulyadi Santosa
2011-06-17 0:47 ` Arvid Brodin
2011-06-17 15:10 ` Jonathan Neuschäfer
2011-06-17 15:18 ` Metin KAYA
2011-06-17 17:59 ` Dave Hylands
2011-06-17 18:46 ` Jonathan Neuschäfer
2011-06-17 18:53 ` Dave Hylands
2011-06-17 19:00 ` Jonathan Neuschäfer
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