Hi all,
I'm interested in using preprocessor macros in expressions in GDB
sessions, but I can't seem to get it to work. I followed the
example given here:
http://developer.apple.com/documentation/DeveloperTools/gdb/gdb/
gdb_10.html
As specified in the documentation, I compiled like so (using GCC
4.0.1, bundled with Xcode 2.2.1):
gcc -gdwarf-2 -g3 sample.c -o sample
But when I got to the point in the example where it instructs you
to issue the GDB command:
info macro ADD
... I received only this message:
GDB has no preprocessor macro information for that code.
Now, I haven't yet found the Mach-O equivalent of:
readelf --debug-dump=macro sample
... but when I load the binary file 'sample' into a text editor, I
can see a region where all of the macro definitions are stored. So
it kind of looks like GCC did its part to generate debug symbols
for macros, but GDB decided not to load them in.
Is macro expansion supported in Apple's version of GDB? If so, how
can I coax it into performing its documented behavior?
Thanks in advance,
James
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