Have you looked at AddressSanitizer? http://clang.llvm.org/docs/AddressSanitizer.html
On Mon, May 7, 2012 at 11:54 AM, Nuno Lopes <[email protected]> wrote: > Hi, > > I would like to add a new option to clang: -fbounds-checking. It emits > run-time bounds checks for array/pointers dereferencing based on > LLVM's object size built-in. The code to emit the checks is already in > clang; it's just a matter of wiring the flag. > The other change is to make -fcatch-undefined-behavior imply > -fbounds-checking (so that it keeps doing these kinds of checks). > > This flag supports an additional integer parameter to control the > amount of run-time performance penalty you're willing to afford. For > example, -fbounds-checking=1 will only resolve stuff at compile-time, > while at level 2 it can defer some stuff to run-time. This will come > in a separate patch to LLVM. > > Comments, ideas, etc? > > Thanks, > Nuno > _______________________________________________ > cfe-commits mailing list > [email protected] > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits >
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