Re: Inline assembly and local variable storage

[Subu Krishnamoorthy <subu at modviz dot com>]

Tom,

Unfortunately, that is not possible since the jmp is to a virtual function 
address which can change at runtime.

Thanks.
-Subu

On Thursday 30 August 2007 06:09:46 Tom St Denis wrote:
> Subu Krishnamoorthy wrote:
> > Hello folks,
> >
> > I'm trying to write an inline assembly block embedded in C++ code and
> > want to simulate a sibling / tail call inside the assembly block (use the
> > 'jmp' instruction as opposed to 'call'). I know that I must adjust the
> > stack pointer before doing this since the function containing this
> > assembly block contains local variables. Does gcc provide a mechanism to
> > determine how much space was reserved for local variables (similar to
> > '_vars_' in High Level Assembly (HLA))?
> >
> > Cheers.
> > -Subu Krishnamoorthy
>
> Probably the safest way to do this is to inline the 2nd function.
>
> Tom

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