Re: Objc_msg_lookup stepping through code

[Marcus G. Daniels]

>>>>> "FM" == Fabio Mascelloni <address@hidden> writes:

FM> However I've discovered by chance that
FM> the gdb steps correctly into the methods the fifth time:

The purpose of `step' in gdb is to advance line by line, depth first.
Sometimes that means it will step down into code outside of your
model, like the Objective C runtime.  The purpose of `next' is to
advance line by line, breadth first.  So `next' won't go down into the runtime
from model code.

In your example, gdb doesn't know where to find the libobjc source code,
so it just prints line numbers and a warning.  To tell gdb where that
source code is (e.g. an unpacked swarm-2.0.1.tar.gz), you can use
the `directory' command in gdb.


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