search for: _rtld_local

Hi, I am trying to compile a dynamic loader using LLVM. Part of the IR for this loader looks like this: @_rtld_local = hidden alias %struct.rtld_global* @_rtld_global @_rtld_global = unnamed_addr global %struct.rtld_global { ... } The purpose of _rtld_local is to allow _rtld_global to be referenced without using the GOT, as this global is accessed before the dynamic loader initialises the GOT. However, LLVM see...

On Wed, Mar 20, 2013 at 02:22:47PM -0700, Peter Collingbourne wrote: > I am trying to compile a dynamic loader using LLVM. Part of the IR > for this loader looks like this: > > @_rtld_local = hidden alias %struct.rtld_global* @_rtld_global > @_rtld_global = unnamed_addr global %struct.rtld_global { ... } Have you tried using protected visibility? Joerg

On Thu, Mar 21, 2013 at 02:12:27PM +0900, Joerg Sonnenberger wrote: > On Wed, Mar 20, 2013 at 02:22:47PM -0700, Peter Collingbourne wrote: > > I am trying to compile a dynamic loader using LLVM. Part of the IR > > for this loader looks like this: > > > > @_rtld_local = hidden alias %struct.rtld_global* @_rtld_global > > @_rtld_global = unnamed_addr global %struct.rtld_global { ... } > > Have you tried using protected visibility? Oops, missed this message. I think there was some reason why I thought protected visibility would not work, but I just...

...lib/libexchange-storage-1.2.so.3 #7 0x041c103c in ?? () from /usr/lib/libexchange-storage-1.2.so.3 #8 0xb7fafb80 in ?? () #9 0xbf949bd8 in ?? () #10 0x0415307a in ?? () from /usr/lib/libexchange-storage-1.2.so.3 #11 0x041c1304 in ?? () from /usr/lib/libexchange-storage-1.2.so.3 #12 0x0074f240 in _rtld_local () from /lib/ld-linux.so.2 #13 0xbf949be8 in ?? () #14 0x041a729c in _fini () from /usr/lib/libexchange-storage-1.2.so.3 #15 0x041a729c in _fini () from /usr/lib/libexchange-storage-1.2.so.3 #16 0x007427ce in _dl_fini () from /lib/ld-linux.so.2 #17 0x04ea59d9 in exit () from /lib/libc.so.6 #18 0x04...

...r 21, 2013 at 02:12:27PM +0900, Joerg Sonnenberger wrote: > > On Wed, Mar 20, 2013 at 02:22:47PM -0700, Peter Collingbourne wrote: > > > I am trying to compile a dynamic loader using LLVM. Part of the IR > > > for this loader looks like this: > > > > > > @_rtld_local = hidden alias %struct.rtld_global* @_rtld_global > > > @_rtld_global = unnamed_addr global %struct.rtld_global { ... } > > > > Have you tried using protected visibility? > > Oops, missed this message. I think there was some reason why I thought > protected visibili...