Luis Arias asks:
 
>I have not yet been able to find the right options in order to debug a
>C program that has been compiled with gcc on MPE.  If I compile with
>c89 using the -g switch, xdb works fine.  If I use gcc, xdb has some
>symbolic information like the names of functions, but it does not seem
>to know in which file my source code lies and I am limited to assembly
>language debugging.
 
gcc outputs its symbol table in a format unknown to MPE. You won't be
able to use xdb for symbolic debug. Since I've not tried porting gdb
(the GNU debugger that understands these symbol tables) to MPE, there
currently is no way to do symbolic debugging of gcc produced objects.
 
Regards,
 
M.