On Jan 9, 2008 2:19 PM, Ender. Dai <[EMAIL PROTECTED]> wrote:
> Hi,
>
> On Jan 9, 2008 4:22 PM, Chetan Nanda <[EMAIL PROTECTED]> wrote:
> > Yes, I have done grep but 'include/asm-i386/dwarf2.h' also defined
> > some macros ..
> > I am not able to understand those macros ..
> >
> > Are these GCC specifics .. basically what is the purpose for these ?
> >
>
> They are not macros. They are CFI(Call Frame Information) directives.
> You can find more information in the info page of GNU as.
>
I have read CFI quickly, what I got from the description is :
macro "RING0_INT_FRAME" in file entry.S is used only for debugging
purpose, kernel work as expected even on removing this Macro.
Please correct me if I am wrong.
> --
>
> Invent and fit; have fits and reinvent!
> We toast the Lisp programmer who pens his thoughts within nests of 
> parentheses.
>

Thanks,
nandac

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