Re: [PATCH 7/7] DWARF: add the config option

[H. Peter Anvin]

On 05/20/17 13:01, H.J. Lu wrote:
> On Sat, May 20, 2017 at 9:20 AM, Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:
> 
>>>
>>> (H.J., could we get a binutils feature that allows is to do:
>>>
>>> pushq %whatever
>>> .cfi_adjust_sp -8
>>> ...
>>> popq %whatever
>>> .cfi_adjust_sp 8
>>>
> 
> Np.  Compiler needs to generate this.
> 

For actual assembly we have such a feature, it is called macros.

push/pop is the easy stuff; macros take care of that, but the real pain
is dealing with the flow of control.

	-hpa