[V2 21/36] [SFrame-V3] sframe: gas: s390: aarch64: x86: add new backend hooks for FLEX FDE

[Jens Remus]

On 1/7/2026 9:42 AM, Indu Bhagat wrote:
> For the newly added SFrame FDE type SFRAME_FDE_TYPE_FLEX, add a new
> backend hook so that the respective ABI/arch can opt out of the
> generation of SFRAME_FDE_TYPE_FLEX in GAS.
> 
> AArch64 is an example of an ABI for which SFrame is supported, but one
> that does not need the flexible FDE representation for any of the
> current usecases currently.
> 
> TBD:
>   - split out into arch specific patches ?

Wouldn't that cause compile errors unless you default
sframe_support_flex_fde_p to false if it is undefined?

Maybe change the commit title to:

gas: sframe: add new backend hook sframe_support_flex_fde_p for FLEX FDEs

> 
> gas/
> 	* config/tc-aarch64.c (aarch64_support_flex_fde_p): New
> 	definition.
> 	* config/tc-aarch64.h (aarch64_support_flex_fde_p): New
> 	declaration.
> 	(sframe_support_flex_fde_p): Define.
> 	* config/tc-i386.c (x86_support_flex_fde_p): New definition.
> 	* config/tc-i386.h (x86_support_flex_fde_p): New declaration.
> 	(sframe_support_flex_fde_p): Define.
> 	* config/tc-s390.c (s390_support_flex_fde_p): New definition.
> 	* config/tc-s390.h (s390_support_flex_fde_p): New declaration.
> 	(sframe_support_flex_fde_p): Define.

Reviewed-by: Jens Remus <jremus@linux.ibm.com>

Regards,
Jens
-- 
Jens Remus
Linux on Z Development (D3303)
jremus@de.ibm.com / jremus@linux.ibm.com

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