gdb and .debug_frame section

[Walter Bright]

Marcus R. Brown wrote:
> DWARF home: http://dwarf.freestandards.org/Home.php
> DWARF2 spec: ftp://ftp.freestandards.org/pub/dwarf/dwarf-2.0.0.pdf
> 
> Walter Bright <newshound at digitalmars.com> wrote:
>> Anyone know anything about the gdb internals with respect to .debug_frame? 

I have the specs - the trouble is, gdb appears to show a correct 
backtrace regardless of whether the .debug_frame section is emitted or 
not. So what does gdb need it for?