[PATCH,V2 4/4] gas: sframe: handle .cfi_same_value

[Jan Beulich]

On 15.05.2025 23:06, Indu Bhagat wrote:
> Fix PR gas/32953 - sframe: incorrect handling of .cfi_same_value in gas
> 
> As per documentation, .cfi_same_value indicates that the current value
> of register is the same like in the previous frame, i.e. no restoration
> needed.
> 
> In some cases, SFrame has no means to encode this information.  Warn and
> skip generating the SFrame FDE in those cases.
> 
> gas/
> 	* gen-sframe.c (sframe_xlate_do_same_value): New definition.
> 	(sframe_do_cfi_insn): Handle DW_CFA_same_value.
> gas/testsuite/
> 	* gas/cfi-sframe/cfi-sframe.exp: Add new tests.
> 	* gas/cfi-sframe/cfi-sframe-common-11.d: New test.
> 	* gas/cfi-sframe/cfi-sframe-common-11.s: New test.
> 	* gas/cfi-sframe/cfi-sframe-x86_64-empty-5.d: New test.
> 	* gas/cfi-sframe/cfi-sframe-x86_64-empty-5.s: New test.

And again - okay.

Jan