[PATCH] Add PT_GNU_SFRAME segment

[Mark Wielaard]

Hi Indu,

On Mon, 2023-01-23 at 11:56 -0800, Indu Bhagat via Gnu-gabi wrote:
> As I submit this patch, I am reminded of my ongoing unease with using the
> keyword "unwind information" with SFrame format. SFrame format, is the Simple
> Frame format, which represents the minimal necessary information for
> backtracing:
>   - Canonical Frame Address (CFA)
>   - Frame Pointer (FP)
>   - Return Address (RA)
> As such, one can argue that there is a clear distinction between "backtrace"
> (=simple call trace) and "unwind"(=stack walk + recover state/regs). 
> 
> What do you think will the "correct" terminology here (if there is one) ?
> Simple Frame format is for backtracing only, but calling it a "backtrace
> format" also sounds off. May be "backtracing format" ? Simple Frame, SFrame,
>   backtracing format...
> 
> Thoughts?

What about calling it a "call trace"?
Although technically it is a "return trace".

Cheers,

Mark