Re: Report on the bounded pointers work

2013-11-05 Thread Frank Ch. Eigler
Yury Gribov writes: >[...] >> [mudflap] never reached a point where interoperability across objects with > and without mudflap instrumentation worked > > Could you add more details? E.g. I don't see how mudflap > interoperability is different from AdressSanitizer which seems to be > state of the

Re: Report on the bounded pointers work

2013-11-05 Thread Jakub Jelinek
On Tue, Nov 05, 2013 at 09:54:31AM -0700, Jeff Law wrote: > On 11/05/13 03:11, Yury Gribov wrote: > > > If you're referring to mudflap (Frank Eigler's work), > > > ... > > > It never reached a point where interoperability across objects with > >and without mudflap instrumentation worked > >Could y

Re: Report on the bounded pointers work

2013-11-05 Thread Jeff Law
On 11/05/13 03:11, Yury Gribov wrote: > If you're referring to mudflap (Frank Eigler's work), > ... > It never reached a point where interoperability across objects with and without mudflap instrumentation worked Jeff, Could you add more details? E.g. I don't see how mudflap interoperability

Re: Report on the bounded pointers work

2013-11-05 Thread Ondřej Bílka
On Tue, Nov 05, 2013 at 08:55:21AM -0700, Jeff Law wrote: > On 11/05/13 03:35, Florian Weimer wrote: > >On 11/04/2013 05:43 PM, Joseph S. Myers wrote: > >>On Mon, 4 Nov 2013, Jeff Law wrote: > >> > >>>You might also be referring to Greg McGary's work on bounded > >>>pointers, I don't > >>>think tha

Re: Report on the bounded pointers work

2013-11-05 Thread Jeff Law
On 11/05/13 03:35, Florian Weimer wrote: On 11/04/2013 05:43 PM, Joseph S. Myers wrote: On Mon, 4 Nov 2013, Jeff Law wrote: You might also be referring to Greg McGary's work on bounded pointers, I don't think that ever got integrated or if it did, it got pulled long ago. It was integrated in

Re: Report on the bounded pointers work

2013-11-05 Thread Florian Weimer
On 11/04/2013 05:43 PM, Joseph S. Myers wrote: On Mon, 4 Nov 2013, Jeff Law wrote: You might also be referring to Greg McGary's work on bounded pointers, I don't think that ever got integrated or if it did, it got pulled long ago. It was integrated in 2000, removed in 2002/2003 (I removed the

Re: Report on the bounded pointers work

2013-11-05 Thread Yury Gribov
> If you're referring to mudflap (Frank Eigler's work), > ... > It never reached a point where interoperability across objects with and without mudflap instrumentation worked Jeff, Could you add more details? E.g. I don't see how mudflap interoperability is different from AdressSanitizer whic

Re: Report on the bounded pointers work

2013-11-04 Thread Joseph S. Myers
On Mon, 4 Nov 2013, Jeff Law wrote: > You might also be referring to Greg McGary's work on bounded pointers, I don't > think that ever got integrated or if it did, it got pulled long ago. It was integrated in 2000, removed in 2002/2003 (I removed the relics from glibc earlier this year). By usi

Re: Report on the bounded pointers work

2013-11-04 Thread Jeff Law
On 11/04/13 03:44, Florian Weimer wrote: More than a decade ago, there was some work in GCC and glibc about propagating bounds information for pointers. I could find the old web page on archive.org, but I'm wondering if there's a concise report how it actually worked and how much software could

Re: Report on the bounded pointers work

2013-11-04 Thread Ondřej Bílka
On Mon, Nov 04, 2013 at 11:44:57AM +0100, Florian Weimer wrote: > More than a decade ago, there was some work in GCC and glibc about > propagating bounds information for pointers. I could find the old > web page on archive.org, but I'm wondering if there's a concise > report how it actually worked

Report on the bounded pointers work

2013-11-04 Thread Florian Weimer
More than a decade ago, there was some work in GCC and glibc about propagating bounds information for pointers. I could find the old web page on archive.org, but I'm wondering if there's a concise report how it actually worked and how much software could be ported over with what amount of effo