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Re: Marking ia64 psABI conformance (Re: PATCH: Support the .note.GNU-property section)
- From: Richard Henderson <rth at redhat dot com>
- To: "H. J. Lu" <hjl at lucon dot org>
- Cc: Jim Wilson <wilson at tuliptree dot org>, binutils at sources dot redhat dot com, gcc at gcc dot gnu dot org
- Date: Thu, 5 Jun 2003 14:06:17 -0700
- Subject: Re: Marking ia64 psABI conformance (Re: PATCH: Support the .note.GNU-property section)
- References: <20030604173434.A14972@lucon.org> <m3r868dh2v.fsf@redhat.com> <20030605074604.A26498@lucon.org> <3EDF7EA3.5000403@tuliptree.org> <20030605105052.A29360@lucon.org>
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?
Anyway, for something this platform specific, you might as well use
an e_flags bit.
r~