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SubjectRe: Adding checkpointing API to Linux kernel
On Mon, Jan 18, 1999 at 04:57:41PM -0600, Andy Glew wrote:
> > (2) Binary editing allows you to intercept (a) statically linked binaries
> > (as long as you have symbol table information)
> BTW, binary editing allows you to intercept system calls for statically
> linked programs even if you don't have the symbol tables: use code analysis
> to actually find the instructions used to enter the kernel (trap, etc.), and
> intercept those, since the kernel API is pretty well known.

And if you are not careful (and/or too successful), you then get sued by
Rational/Purify for patent infringement (before it got gobbled up, Pure was
active in trying to enforce this patent, dunno if things are now changed with
Rational at the helm).

Michael Meissner, Cygnus Solutions (Massachusetts office)
4th floor, 955 Massachusetts Avenue, Cambridge, MA 02139, USA, 617-354-5416 (office), 617-354-7161 (fax)

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