Python: debugging with gdb (on OSX)

Question

There are quite a few tutorials on debugging with gdb for Python. Just to name a few among the best:

However all of them are targeted for the Linux OS. Is it feasible to install all the extension packages required on OSX ?

Community · Accepted Answer · 2017-05-23 12:30:30Z

4

You need to build gdb. Per this answer, you need to set CFLAGS=-Wno-string-plus-int before building (at least, for MacOS 10.9 and gdb 7.6.1).

You have to codesign gdb before you can use it.

Then you need get a 'real' executable out of the MacOS fat binary so gdb can read it:

lipo -thin x86_64 -output python-x86_64 /usr/bin/python

Then you can happily:

gdb --args /path/to/python-x86_64 myPythonScript.py arg1 arg2

Alternatively, you can use lldb.

edited May 23, 2017 at 12:30

CommunityBot

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answered Nov 26, 2013 at 19:22

Paul Price

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Tom Tromey · Accepted Answer · 2013-09-26 17:18:34Z

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Sure, it is feasible. You presumably already have Python for your platform. Now you just need to build gdb. gdb isn't as well-supported there, but it does work.

Alternatively you can read the section "GDB on Legacy systems" at that first link.

answered Sep 26, 2013 at 17:18

Tom Tromey

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1 Comment

ibrewster Over a year ago

Yes, but how do you add the Python extensions for gdb? is there a configure flag that needs to be set when building gdb? Some extra download?

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