Re: [Libunwind-devel] Explicitly exporting CFA

[Andrew Cagney]

1.98c worth:

- the "CFA" value is from the frame inner to cursor
can I suggest a name like UNW_REG_INNER_CFA?

- can it be assigned a negative constant value so that it can't polute 
the ISA register number space
when extending the x86 register numbers I had to leave a gap in the 
middle to ensure "binary" number compatibility, giving these libunwind 
"registers" constant -ve values would help avoid that in the future

Andrew


Arun Sharma wrote:
> On Dec 3, 2007 8:50 AM, David Mosberger-Tang <address@hidden 
> <mailto:address@hidden>> wrote:
>
>     I don't have any objection to adding a pseudo-register for DWARF.
>     Arun, what do you think of this?
>
>
> Sounds like a good idea to me.
>
>  -Arun
>
>
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