http://d.puremagic.com/issues/show_bug.cgi?id=5176
--- Comment #29 from deadalnix <[email protected]> 2013-05-20 01:07:53 PDT --- (In reply to comment #28) > Copying my comment from the forums so it won't get lost: > (http://forum.dlang.org/post/[email protected]) > > Isn't the solution as easy as doing: > OR PTR:[address], 0 > the same way it's done for the stack? > > The offset it known at compile time in most cases, so the command > would be required only if both: > * The object is larger than target OS' guard page size. > * The position is greater than target OS' guard page size, OR is > unknown at compile time. > > Walter: "Not a bad idea." :) The thing is that you may get over the page protection by several dereferences. So you must check based not on the dereferenced address, but on the maximum addres that will be dereferenced (ie the end of the object). It means that every single reference taking on a 4kb+ object must have a check. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
