On Tue, Apr 16, 2019 at 12:05:56PM +0200, Richard Biener wrote: > On Tue, Apr 16, 2019 at 11:33 AM Florian Weimer <fwei...@redhat.com> wrote: > > > > * Segher Boessenkool: > > > > > On Mon, Apr 15, 2019 at 01:54:11PM +0200, Florian Weimer wrote: > > >> * Richard Biener: > > >> > > >> > Of course adding sth like a .robss section would be nice. > > >> > > >> I think this is strictly a link editor issue because a read-only PT_LOAD > > >> directive with a memory size larger than the file size already produces > > >> read-only zero pages, without requiring a file allocation. > > > > > > But .rodata normally is not the last thing in its segment (the .eh* > > > things are after it, and those are usually not all zero). > > > > If you don't mind the proliferation of load segments (we've add many of > > them in recent years), placement does not matter. > > Btw, besides being a link editor issue the issue also shows in object > file size. Not sure if a similar trick exists for those (.rodata with > NOBITS?)
Section type SHT_NOBITS does the trick, yes. Segher
