Re: gdb & arm

[Quality Quorum <qqi at world dot std dot com>]

On Thu, 4 Oct 2001, Keith Seitz wrote:

> On Thu, 4 Oct 2001, Quality Quorum wrote:
>
> > It call to arm_skip_prologue call find_pc_partial_function and
> > it succeeds.
>
> So:
>
>   if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
>     {
>       sal = find_pc_line (func_addr, 0);
>       if ((sal.line != 0) && (sal.end < func_end))
>         return sal.end;
>     }
>
> find_pc_partial_function and find_pc_line succeed, but sal.end=func_end,
> right? This is the problem I had. Line table problems from gcc was my
> determination.

???? I do not understand you, sal.end contains a value pointed by (*)
below. I suppose it is a correct behavior.
>
>
> > My function start looks like following
> >
> >     mov ip, sp
> >     stmdb !sp, { ...}
> >     sub fp, ip, #4
> > (*) <start moving data from apcs registers to locations
> >      described in symbol tables>
> >
> >
> > (*) - breakpoint goes here.
>
> The prologues I was looking were exactly like this. I think we may be
> seeing the same problem. What does readelf say for the line info?

I am working with arm-aout and arm-aout-readelf  was built but it does
not like file format. Can use objdump for the purpose ?

> Keith

Thanks,

Aleksey