[patch/rfc] Add child_to_xfer_partial; Was: ia64 portion of libunwind patch

[Kevin Buettner]

On Nov 6,  5:32pm, Andrew Cagney wrote:

> This adds a child_xfer_partial method to "inftarg.c".  I've included a 
> hook vis:
> 
> > +#if 0
> > +    case TARGET_OBJECT_UNWIND_TABLE:
> > +#ifndef NATIVE_XFER_UNWIND_TABLE
> > +#define NATIVE_XFER_UNWIND_TABLE(OPS,OBJECT,ANNEX,WRITEBUF,READBUF,OFFSET,LEN) 
> > (-1)
> > +#endif
> > +      return NATIVE_XFER_UNWIND_TABLE (ops, object, annex, writebuf,
> > +                                      readbuf, offset, len);
> > +#endif
> 
> so that, in theory, all you need do is define that in the linux specific 
> nm-*.h file.
> 
> I think this will make plugging in additional xfer methods easier.  How 
> does it look?
> 
> Anyone else?

Looks good to me.  I assume it's #if 0'd because TARGET_OBJECT_UNWIND_TABLE
isn't defined yet?

Kevin