Re: mdebug

[Elena Zannoni <ezannoni at cygnus dot com>]

Thanks David, I did find your paper.

And yes, I have a specific question.  Does mdebug let the user specify
a procedure like 'main()' in a section other than .text? 

Thanks

Elena


David B. Anderson writes:
 > 
 > 
 > 
 > Elena Zannoni <ezannoni@cygnus.com> writes:
 > >Does anybody know something about mdebug?
 > 
 > Yes.
 > 
 > >I am trying to figure out a problem in gdb which untilmately is due
 > >to some limitation of mdebug.
 > >Is there any documentation at all about how the debug symbols are built?
 > 
 > http://reality.sgi.com/davea/objectinfo.html
 > Look early in the page for:
 > 
 >   one part of the old 32bit ABI for MIPS 
 >   is the mdebug debugging information. 
 >   A postscript file with the only currently 
 >   available description of this data is here (119Kbytes) 
 > 
 > It is is an old paper I wrote on mdebug.  
 > Not too well written, but... what else is there?
 > Perhaps it will help. Does not mention limits, though.
 > The limits are implicit in various structs. Perhaps
 >  'explicit' is a better word :-)
 > 
 > If you have any questions let me know.
 > (whether I'll know the answer is something else...)
 > 
 > I don't know too much about DEC or other *extensions*
 > to mdebug. Just sgi's.   But there are certainly some
 > important limitations in mdebug.  Like 64K procedures (at most).
 > SGI did some hack extensions, but ... never mind.
 > 
 > davea@sgi.com