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From: Tom Tromey <tromey@redhat.com>
To: Tristan Su <sooqing@gmail.com>
Cc: gdb@sourceware.org
Subject: Re: can pahole print a struct definition in a given CU?
References: <CA+sbV4jqL=6=MV891x8tL0SvFAJno5x7PxRxTULtmsb0tVkZPA@mail.gmail.com>
Date: Wed, 02 Jan 2013 17:32:00 -0000
In-Reply-To: <CA+sbV4jqL=6=MV891x8tL0SvFAJno5x7PxRxTULtmsb0tVkZPA@mail.gmail.com>	(Tristan Su's message of "Mon, 24 Dec 2012 22:15:41 +0800")
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>>>>> "Tristan" == Tristan Su <sooqing@gmail.com> writes:

Tristan> I found pahole (python api) quite useful but jusst could not have it
Tristan> print a struct in a given compilation unit.
Tristan> With the ptype command:
Tristan> (gdb) ptype S
Tristan> but we can also specify the CU because the struct may have different
Tristan> define in different CUs.
Tristan> (gdb) ptype 'foo.c'::S

Tristan> Is that possible/easy to make pahole support this?

I couldn't think of an easy way.  Though maybe that is just imagination
failure on my part :)

If I were doing this I would start by finding a way to expose
evaluate_type to Python, say via a flag to parse_and_eval.
Then I would make pahole use this.

Tom