Re: gdb seems to be broken on darwin 10.5.8 and later

[Jonas Maebe <jonas dot maebe at elis dot ugent dot be>]

On 30 Sep 2009, at 18:20, Jack Howarth wrote:

> Now gdb errors out earlier and claims that darwin executables
> aren't valid executable files. Is anyone else seeing that on
> darwin?

Since you mentioned later that you are on 10.6, might the problem be  
that previously you only tested gdb on programs compiled under 10.5.x  
or with "-mmacosx-version-min 10.5" (or earlier), while you are now  
trying with a program compiled on and for 10.6? Apple added/changed  
some things to the Mach-O object format in 10.6 (just like in 10.5),  
and e.g. (some?) binaries compiled for 10.6 are not recognised as  
valid executables at all on 10.5 or earlier. gdb might be confused for  
similar reasons.

You may want to try compiling your program with "-mmacosx-version-min  
10.5" and check again.


Jonas