Khem Raj <[email protected]> wrote on 2012/03/25 20:23:04:
> From: Khem Raj <[email protected]> > To: Joakim Tjernlund <[email protected]> > Cc: [email protected], [email protected], Mike Frysinger > <[email protected]> > Date: 2012/03/25 20:23 > Subject: Re: [RFC/PATCH] ldso: drop -Wl,-e,_start linking option > > On Sun, Mar 25, 2012 at 10:30 AM, Joakim Tjernlund > <[email protected]> wrote: > >> > >> On Sun, Mar 25, 2012 at 12:58 AM, Mike Frysinger <[email protected]> wrote: > >> > On Sunday 25 March 2012 03:23:38 Khem Raj wrote: > >> >> On Sat, Mar 24, 2012 at 11:58 PM, Mike Frysinger <[email protected]> > >> >> wrote: > >> >> > The _start symbol is the default entry point for ELFs, so there > >> >> > should be > >> >> > no need to manually specify this. The background motivation is that > >> >> > this > >> >> > causes issues for ports that have a symbol prefix (like Blackfin) and > >> >> > so > >> >> > they don't have a "_start" symbol -- it's named "__start". > >> >> > >> >> on MIPS its also __start unlike others where it is _start > >> > > >> > ok, i'll ponder exposing __USER_LABEL_PREFIX__ to the build system > >> > somehow > >> > then so it automatically selects the right "_start" > >> > >> if binutils/ld is configured for right emulation (which it should be) > >> that should take care of it automatically > >> though so your patch is ok. > > > > I think the problem is that ldso.c expects start to be named _start so > > you can't just rename it __start. > > You could define _start = __start in arch code that need it though. > > > > isnt it arch specific function in ldso/<arch>/dl-startup.h ? It is in ldso/ldso/ldso.c last I checked. Jocke _______________________________________________ uClibc mailing list [email protected] http://lists.busybox.net/mailman/listinfo/uclibc
