Re: kprobe support for memory access watchpoints

Jeff,

> I was wondering if there are plans to support a method to register
> watchpoints for memory data access with kprobe. On x86, it's possible to
> watch for read/write access to arbitrary memory locations via DR memory
> registers.

Here are couple of patches providing debug register allocation
mechanism and kernel API to register watchpoints. These patches were
posted and reviewed on lkml some time back, Please see the URL
below for details.

http://seclists.org/lists/linux-kernel/2004/Oct/4730.html
http://seclists.org/lists/linux-kernel/2004/Oct/4729.html


Thanks
Prasanna
-- 

Prasanna S Panchamukhi
Linux Technology Center
India Software Labs, IBM Bangalore
Ph: 91-80-25044636
<[email protected]>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

References:
- A correct method to use the x86 breakpoint registers (DR0-7)
  - From: Jeff Carr <[email protected]>
- kprobe support for memory access watchpoints
  - From: Jeff Carr <[email protected]>

Prev by Date: Re: [PATCH] [19/48] Suspend2 2.1.9.8 for 2.6.12: 510-version-specific-mac.patch
Next by Date: Re: [PATCH] move ioprio syscalls into syscalls.h
Previous by thread: kprobe support for memory access watchpoints
Next by thread: Re: A correct method to use the x86 breakpoint registers (DR0-7)
Index(es):
- Date
- Thread

[Index of Archives] [Kernel Newbies] [Netfilter] [Bugtraq] [Photo] [Gimp] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux RAID] [Video 4 Linux] [Linux for the blind]