Re: [RFC] Remove X86 .asm and .S assembly files in EDK2

["Gao, Liming" <liming.gao@intel.com>]

Mike:
  Now, %pragma macho subsections_via_symbols can't be enabled. So, will nasm generate the bigger image size than .S assembly on macho? If yes, I agree nasm is not same to .S. .S may be kept for a while. But, .asm is not necessary. We can remove .asm first. 

Thanks
Liming
> -----Original Message-----
> From: Kinney, Michael D
> Sent: Wednesday, March 14, 2018 4:00 AM
> To: Gao, Liming <liming.gao@intel.com>; edk2-devel@lists.01.org; Kinney, Michael D <michael.d.kinney@intel.com>
> Subject: RE: [RFC] Remove X86 .asm and .S assembly files in EDK2
> 
> Liming,
> 
> After further evaluation on use of NASM with macho
> there are a couple issues that need to be resolved
> before the .asm and .S files can be removed from
> all components.
> 
> The details are at:
> 
> https://bugzilla.tianocore.org/show_bug.cgi?id=881
> 
> NASM issues to be resolved are:
> 
> https://bugzilla.nasm.us/show_bug.cgi?id=3392469
> https://bugzilla.nasm.us/show_bug.cgi?id=3392470
> 
> The recommendation is to not switch to NASM only
> for libraries until the dead code stripping feature
> works as expected on macho.
> 
> We can consider moving to NASM only for NASM files
> in a module if there are no NASM functions that would
> be dead stripped.  The recommendation for these types
> of NASM files is do not use the following pragma
> until the NASM issues above are resolved.
> 
>   %pragma macho subsections_via_symbols
> 
> Best regards,
> 
> Mike
> 
> > -----Original Message-----
> > From: edk2-devel [mailto:edk2-devel-
> > bounces@lists.01.org] On Behalf Of Gao, Liming
> > Sent: Wednesday, January 31, 2018 3:06 AM
> > To: edk2-devel@lists.01.org
> > Subject: [edk2] [RFC] Remove X86 .asm and .S assembly
> > files in EDK2
> >
> > Edk2 has used nasm assembly file for all tool chains.
> > So, IA32 and X64 .asm and .S assembly files can be
> > removed if their nasm files are ready. It can save the
> > maintain effort and avoid the confuse.
> >
> >
> >
> > If you have any comments on this change, please let me
> > know.
> >
> > Thanks
> > Liming
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