Re: [patch] Fix uninitialized section index internal error

[Elena Zannoni <ezannoni@cygnus.com>]

Joel Brobecker writes:
 > > Sorry, but we are trying to move away from having gdb knowing that
 > > some sections are special. Adding a new SECT_OFF_SBSS macro, would not
 > > be in line with that. Would you mind just doing that bit I suggested?
 > > That would solve your immediate problem, right?
 > 
 > Elena,
 > 
 >   I implemented your suggestion, but I stumbled accross another problem
 > that puzzled me.
 > 
 >   the program that I provided as an example to reproduce the problem
 > does in fact contain some symbols located in the .bss section ('end' for
 > instance), but gdb could had not located it. I verified this by using nm:
 > 
 > List of symbols in the .bss section:
 > <<
 > % nm -B mach | grep ' B '
 > 0x00000140000160 B .bss
 > 0x00000140000160 B _ebss
 > 0x00000140000160 B _end
 > 0x00000140000160 B end
 > >>
 > 
 > List of symbols in the .sbss section:
 > <<
 > % nm -B mach | grep ' S '
 > 0x00000140000140 S .sbss
 > 0x00000140000140 S __Argc
 > 0x00000140000158 S __Argv
 > 0x00000140000150 S _auxv
 > 0x00000140000140 S _fbss
 > 0x00000140000148 S _ldr_present
 > >>
 > 
 > Unfortunately, I don't have enough time to persue this right now. In
 > think my changes improve a bit the current situation, but do not fix all
 > problems, so I'm not sure they should be submitted yet.

Hmm, I think that if your changes are an improvement, and don't break
anything else, it is worth including them in the sources, so they
don't get lost. 

 > 
 > I'll look into why gdb can not find this .bss section when I have more time
 > available.
 > 

Thanks for doing this.

Elena


 > -- 
 > Joel
 >