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Re: Help Regarding - entry.S file

To: "Ender. Dai" <ender.dai@xxxxxxxxx>
Subject: Re: Help Regarding - entry.S file
From: "Chetan Nanda" <chetannanda@xxxxxxxxx>
Date: Wed, 9 Jan 2008 19:24:14 +0530
Cc: kernelnewbies@xxxxxxxxxxxx
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> > Hi,
> >
> > On Jan 9, 2008 4:22 PM, Chetan Nanda <chetannanda@xxxxxxxxx> 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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References:
- Help Regarding - entry.S file
  - From: Chetan Nanda
- Re: Help Regarding - entry.S file
  - From: Ender . Dai
- Re: Help Regarding - entry.S file
  - From: Chetan Nanda
- Re: Help Regarding - entry.S file
  - From: Ender . Dai
- Re: Help Regarding - entry.S file
  - From: Chetan Nanda

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