musl - RE: Need "_fpx_sw_bytes", "FP_XSTATE_MAGIC2_SIZE" and "FP_XSTATE_MAGIC{1,2}" definition to compile CoreCLR

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Date: Sat, 1 Oct 2016 10:28:08 +0000
From: Jan Vorlicek <janvorli@...rosoft.com>
To: Rich Felker <dalias@...c.org>, "musl@...ts.openwall.com"
	<musl@...ts.openwall.com>
Subject: RE: Need "_fpx_sw_bytes", "FP_XSTATE_MAGIC2_SIZE" and
 "FP_XSTATE_MAGIC{1,2}" definition to compile CoreCLR

In addition to that, we would also need the _xstate struct (and obviously also the structs it refers to, like _ymmh_state, _xsave_hdr, ...). 
We only need that for x64.

Thanks,

Jan

-----Original Message-----
From: Rich Felker [mailto:dalias@...c.org] 
Sent: Tuesday, August 30, 2016 11:43 PM
To: musl@...ts.openwall.com
Subject: Re: [musl] Need "_fpx_sw_bytes", "FP_XSTATE_MAGIC2_SIZE" and "FP_XSTATE_MAGIC{1,2}" definition to compile CoreCLR

On Thu, Aug 04, 2016 at 09:15:40PM +0000, Dangling Pointer wrote:
> Please provide the user-facing definitions of "struct _fpx_sw_bytes" and macros "FP_XSTATE_MAGIC2_SIZE", "FP_XSTATE_MAGIC1" and "FP_XSTATE_MAGIC2" to compile CoreCLR.
> 
> 
> Related issue: 
> https://github.com/dotnet/coreclr/issues/917#issuecomment-236907708
> 
> Usage:  
> https://github.com/dotnet/coreclr/blob/9585fc2/src/pal/src/include/pal
> /context.h#L142-L178

Would a patch like the attached me sufficient? Does 32-bit x86 need something like this too?

Rich

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