Re: [PATCH 1/8] ld: Rename aarch64pe emulation target to arm64pe

[Richard Earnshaw <Richard.Earnshaw@foss.arm.com>]

On 03/01/2023 12:09, Tamar Christina via Binutils wrote:
> Unfortunately I don’t think it’s that simple..
> 
> Sadly the name Arm64 is the one Microsoft has chosen to call their target ABI. https://learn.microsoft.com/en-us/windows/arm/overview  Further this is extended to Arm64EC etc https://learn.microsoft.com/en-us/cpp/build/arm64-windows-abi-conventions?view=msvc-170.
> 
> So even though this is not the official naming that Arm uses, it’s however the official one on Windows and so it’s
> reasonable that the PE target in LD follow this.
> 
> So this is reasonable so long as the actual target itself stays aarch64-little.
> 
> Kind Regards,
> Tamar
> 
> From: NightStrike <nightstrike@gmail.com>
> Sent: Tuesday, January 3, 2023 12:00 PM
> To: Mark Harmstone <mark@harmstone.com>
> Cc: wej22007@outlook.com; zac.walker@linaro.org; Tamar Christina <Tamar.Christina@arm.com>; binutils <binutils@sourceware.org>
> Subject: Re: [PATCH 1/8] ld: Rename aarch64pe emulation target to arm64pe
> 
> 
> On Thu, Dec 29, 2022, 21:41 Mark Harmstone <mark@harmstone.com<mailto:mark@harmstone.com>> wrote:
> * The aarch64pe emulation target is renamed to arm64pe. This is the name
> that LLVM is already using, even though as a rule we call this arch aarch64.
> Without this clang won't work with ld. Another possibility would be to
> change the -m parameter if it's "arm64", but that seems to me like it's
> making things more complicated than they need to be.
> 
> Or just fix clang. Seems like if clang wants to work with ld, clang should use ld's name.

The problem with arm64 is that it also matches existing configure 
scripts that use arm* for the 32-bit targets.  I don't think this is a 
good idea.  GNU tools have consistently used the official name for all 
targets.

R.