[PATCH 0/5] ARM: kprobes: Fixes and additions for ARM instruction emulation (part 6)

Tixy tixy at yxit.co.uk
Thu Apr 28 06:33:51 EDT 2011

On Thu, 2011-04-28 at 08:51 +0100, Russell King - ARM Linux wrote:
> On Tue, Apr 19, 2011 at 10:52:15AM +0100, Tixy wrote:
> > (This is a sixth and final set of patches)
> > 
> > When kprobes are inserted into code an ARM instruction is replaced
> > by a breakpoint. When this is hit, the original instruction must be
> > emulated out-of-line. This patchset fixes some bugs in the instruction
> > decoding and adds emulation for some newer ARMv7 instructions.
> > 
> > [PATCH 1/5] ARM: kprobes: Reject probing of undefined data processing instructions
> > [PATCH 2/5] ARM: kprobes: Add emulation of MOVW and MOVT instructions
> > [PATCH 3/5] ARM: kprobes: Add emulation of SBFX, UBFX, BFI and BFC instructions
> > [PATCH 4/5] ARM: kprobes: Add emulation of hint instructions like NOP and WFI
> > [PATCH 5/5] ARM: kprobes: Tidy-up kprobes-decode.c
> I notice that Nicolas merged the 5th set rather than this set - and
> Nicolas hasn't responded to these.  Please check with Nicolas whether
> he's updated to the latest set.

Nicolas, I see you have part 6 in your personal Linaro kprobes branch,
but Russell seems to imply that this is missing from a merge you did
elsewhere. (I'm unsure where this merge might be.)


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