On Sat, Apr 16, 2005 at 11:44:39PM -0700, David S. Miller wrote:
>
> Takashi-san, have you ever investigated using kprobes to
> implement this feature? It seems a perfect fit, and would
> allow support on several architectures other than just x86
> and x86_64.
>
> If kprobes does not meet your needs completely, it could
> be trivially extended to do so.
>
> I think implementing something like this from scratch is
> not a good idea when we have much of the needed logic and
> infrastructure already.
Takashi-san's description was not very clear, but it sounds like it's a
patching mechanism for userspace applications - not for kernel space.
So kprobes would not be a good fit.
If I'm right, I'm not sure why some of the bits of it were done
separately instead of via the existing ptrace mechanism. And GDB
would appreciate a mechanism for mmap/munmap/mprotect in a debugged
process, also.
--
Daniel Jacobowitz
CodeSourcery, LLC
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