Re: Marking ia64 psABI conformance (Re: PATCH: Support the .note.GNU-property section)

["H. J. Lu" <hjl at lucon dot org>]

On Fri, Jun 06, 2003 at 09:41:59AM +0200, Jakub Jelinek wrote:
> On Thu, Jun 05, 2003 at 03:11:37PM -0700, H. J. Lu wrote:
> > On Thu, Jun 05, 2003 at 02:06:17PM -0700, Richard Henderson wrote:
> > > On Thu, Jun 05, 2003 at 10:50:52AM -0700, H. J. Lu wrote:
> > > > But it isn't safe without knowing if a .o file is ABI conforming or not.
> > > 
> > > Correct.
> > > 
> > > > With my proposal, the .o files generated by ABI conforming
> > > > compiler will have the NT_GNU_PROPETRTY_IA_64_PRESERVE_GP set and
> > > > the linker can use it to detect the possible run-time failure and
> > > > issue a warning.
> > > 
> > > All such .o files?  Meaning that you'll get Intel and HP and (...)
> > > to change their object file generation?
> > 
> > Intel is ok with this. If HP wants to link against gcc generated
> > .o files safely with full optimization, the answer is yes.
> 
> Intel and HP compilers are going to emit .note.GNU-property section
> (look at "GNU" in it)?
> 

It is a GNU extension. If it is going to be the way to address this
issue, I hope everyone will have a open mind on the name of a note
section.


H.J.