Re: [patch/rfc] Add a sentinel frame

[Michal Ludvig <mludvig@suse.cz>]

Andrew Cagney wrote:
> Hello,
> 
> This patch modifies^D^D^D^Dsimplifies the frame code so that there is an 
> extra frame below the innermost frame.  That extra frame maps any 
> request for a register onto the regcache.
> 
> The thing to notice with this patch is how it eliminates the need to 
> special case a level zero frame when fetching a frame's register. 
> Instead, a register can be fetched using the recursive frame_register() 
> method.
> 
> I'll look to commit this in a few days.
> 
> Follow on patches include:
> - convert d10v to the current frame unwind mechanims
> - deprecate methods such as POP_FRAME.
> 
> Andrew

Hi Andrew,
I'm getting lots of internal errors due to the fact that this function 
is called while running x86-64 testsuite on mainline.

> +static void
> +sentinel_frame_pop (struct frame_info *frame,
> +		    void **cache,
> +		    struct regcache *regcache)
> +{
> +  internal_error (__FILE__, __LINE__, "Function sentinal_frame_pop called");
> +}

How can I avoid these errors?

Michal Ludvig
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