https://sourceware.org/bugzilla/show_bug.cgi?id=26706
--- Comment #3 from Ben Woodard <woodard at redhat dot com> --- Do you think it is worth me chiming in saying ‘what he said’? You captured my intent perfectly. I guess I’m kind of hung up on “assume” in “what I assume Ben, the original reporter, is after” or is that just a polite assume. -ben > On Mar 7, 2021, at 9:04 AM, mark at klomp dot org > <sourceware-bugzi...@sourceware.org> wrote: > > https://sourceware.org/bugzilla/show_bug.cgi?id=26706 > > --- Comment #2 from Mark Wielaard <mark at klomp dot org> --- > (In reply to Fangrui Song from comment #1) >> You can additionally link an object file with an artificial long symbol >> name. Since that symbol is not used, you can change its .dynstr > > I think that is really fragile. The way Solaris does this (what I assume Ben, > the original reporter, is after) is by introducing a new dynamic section entry > that provides the padding that is still available. That way tools know where > and how much space they can use for dynamic strings. > > We could introduce DT_GNU_STRPAD and suggest that linkers initially set it to > 256 (and add that to DT_STRSZ) to make such manipulations easy and robust. Any > tool manipulating the .dynstr segement can then use (and update) that when > adding a new string. > > See also: http://www.linker-aliens.org/blogs/ali/entry/changing_elf_runpaths/ > > -- > You are receiving this mail because: > You reported the bug. -- You are receiving this mail because: You are on the CC list for the bug.
