function pointer stabs (was Re: RFA: MI tests: tolerate prototypes)

[Jason Merrill <jason@redhat.com>]

>>>>> "Daniel" == Daniel Jacobowitz <drow@mvista.com> writes:

> Of course those have the same types.  But even if you differentiate
> them, stabs only describes function pointers by their return type. 
> Quite regrettable; it must be a GCC bug or at least limitation.  This
> is the one that's actually related to the patch at the start of this
> thread.  I think that the patch is fine, but that this should go on our
> list of things to fix in GCC's debug output.  Jason, I don't suppose
> you could look at it?  The 'right' thing to do would be to emit the Sun
> extension for any prototyped function or properly declared (prototyped,
> essentially) function pointer.

>On Tue, Feb 05, 2002 at 06:56:04PM -0500, Jim Blandy wrote:

>> Anyway, there's a standard syntax for prototyped function types
>> defined in the STABS manual.  GDB even reads it.  If GCC would just
>> emit it, things would be better.

Looking at stabsread.c:read_type:case 'f', I don't see any support for
reading parameter types.

Also, the spec in stabs.texi seems to describe different extensions for
expressing parameters to actual functions versus function pointers.

Jason