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Re: fedora rawhide problems with kprobes/debuginfo addresses
- From: Vivek Goyal <vgoyal at in dot ibm dot com>
- To: Roland McGrath <roland at redhat dot com>
- Cc: Dave Jones <davej at redhat dot com>, "Frank Ch. Eigler" <fche at redhat dot com>, systemtap at sources dot redhat dot com
- Date: Mon, 5 Mar 2007 12:46:41 +0530
- Subject: Re: fedora rawhide problems with kprobes/debuginfo addresses
- References: <20070305040709.GA4880@in.ibm.com> <20070305063449.683141801C4@magilla.sf.frob.com>
- Reply-to: vgoyal at in dot ibm dot com
On Sun, Mar 04, 2007 at 10:34:49PM -0800, Roland McGrath wrote:
> Ok, so you are talking about using magic arch knowledge to know what
> virtual address range might include the kernel mapping and finding a memory
> region there. That is worse than the kallsyms heuristic I'm doing, for
> purposes of making things reasonable in userland.
I understand that using /proc/kallsyms is much easier but it does not work
if somebody built a custom kernel without kallsyms support.
Thanks
Vivek