Garrett D'Amore wrote: > New objects built on OpenSolaris ought to use a non-exec stack by > default. Without user intervention. I think executable stacks should > be an opt-in feature.
+1 If that's the actual path that will (soon?) be taken, then I no longer care about hanging my hat on the v2 syntax. > So I guess what I'm talking about is a change in the default, globally. > I presume its possible to do this so the default is applied at compile > time, rather than load time? (That would address the concern of > breakage of older binaries.) There are actually three 'times' involved -- compilation (cc), link editing (ld), and link-load (ld.so.1). It's during that second one that mapfiles are of interest and that the segment flags are set. > Btw, I'm of the mind that it may be questionable to retain the old v1 > mapfile syntax for very long. As indicated, not many people are using > it, and we really shouldn't have to carry around baggage ~forever. I > don't think the mapfile syntax was ever officially part of our source > compatibility story. :-) I think that's a step too far. Yes, they're Committed interfaces and, no, it would not be good to have them go away. -- James Carlson 42.703N 71.076W <carlsonj at workingcode.com>
