From: Tom Tromey <tromey@redhat.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: gdb@sourceware.org
Subject: Re: container_of equivalent in gdb-python script
Date: Wed, 10 Jun 2009 21:42:00 -0000 [thread overview]
Message-ID: <m33aa7g40e.fsf@fleche.redhat.com> (raw)
In-Reply-To: <4A30269D.7070504@web.de> (Jan Kiszka's message of "Wed\, 10 Jun 2009 23\:33\:17 +0200")
>>>>> "Jan" == Jan Kiszka <jan.kiszka@web.de> writes:
Daniel> It's typical to do this the same way folks do in C: Create a null
Daniel> pointer of the right type.
Jan> You can't do that with the current upstream python interface, but the
Jan> parse_and_eval solves this nicely.
Actually, for constants you can:
(gdb) python print gdb.Value(0)
0
(gdb) python print type(gdb.Value(0))
<type 'gdb.Value'>
(gdb) python print gdb.Value(0).cast(gdb.lookup_type('char').pointer())
0x0
Whoops, this seems to be undocumented.
Tom
next prev parent reply other threads:[~2009-06-10 21:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-10 16:56 Jan Kiszka
2009-06-10 18:57 ` Tom Tromey
2009-06-10 20:10 ` Jan Kiszka
2009-06-10 20:37 ` Tom Tromey
2009-06-10 21:06 ` Jan Kiszka
2009-06-10 20:42 ` Daniel Jacobowitz
2009-06-10 21:33 ` Jan Kiszka
2009-06-10 21:42 ` Tom Tromey [this message]
2009-06-10 22:13 ` Jan Kiszka
2009-06-10 22:17 ` Tom Tromey
2009-06-11 9:51 ` Jan Kiszka
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