Re: [Valgrind-users] start_rstsc_calibration causes illegalinstruction crash

[Sebastian K. <Seb...@so...>]

From: "Nicholas Nethercote" <nj...@ca...>
> On Fri, 21 Nov 2003, Daniel Goertzen wrote:
> The skipping of CPUID in the patch isn't good though, we need to use it.
> Ideally, we'd set up a SIGILL handler before doing the CPUID (that's what
> Cachegrind does when detecting the cache parameters).  However, that's not
> so easy to do in assembly code, AFAIK.

Do not forget that all CPUID CPU's allow for changing CPUID flag in flags
register -- i.e. no need to handle signals, just few PUSHFs, POPFs, PUSHes
anf POPs...

rgds
Sebastian Kaliszewski
-- 
"Never underestimate the power of human stupidity" - from Notebooks of L.L.