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From: Maxim Bublis <satori@yandex-team.ru>
To: Phil Muldoon <pmuldoon@redhat.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH v2 2/3] gdb/python: raise TypeError instead of abort on calling value method for label symbol object
Date: Thu, 17 Apr 2014 12:44:00 -0000	[thread overview]
Message-ID: <91E92C60-717C-4B39-956F-F705E2AC6426@yandex-team.ru> (raw)
In-Reply-To: <8DDE7431-40A7-4C4F-9681-E60A712710A1@yandex-team.ru>

Hi, Phil.

> So, it doesn’t look like some deeper problem in GDB for me, just incompleteness of Python API.
> There is very similar “if” condition for LOC_TYPEDEF in patched code.

I’ve inspected code some more. It seems to me there is a bug in gdb/findvar.c:466.
According to gdb/mdebugread.c:694, it is pretty clear that label symbol always has type of builtin integer:
SYMBOL_TYPE (s) = objfile_type (objfile)->builtin_int;

but store_typed_address expects TYPE_CODE_PTR or TYPE_CODE_REF, so instead of
store_typed_address there should be something like store_unsigned_integer.

Am I correct with my guess?

  reply	other threads:[~2014-04-17 12:44 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-04 10:36 [PATCH 0/3] Fixed abortion using Python API " Maxim Bublis
2014-03-04 10:37 ` [PATCH 3/3] gdb/doc/python.texi: documented gdb.SYMBOL_LOC_LABEL. Added notion on possible exception thrown from symbol object .value() method Maxim Bublis
2014-03-04 16:53   ` Eli Zaretskii
2014-03-05 13:34     ` Maxim Bublis
2014-03-05 13:41   ` [PATCH v2 3/3] gdb/doc/python.texi: documented gdb.SYMBOL_LOC_LABEL, added notion on possible exceptions thrown from symbol object value method Maxim Bublis
2014-03-05 17:12     ` Eli Zaretskii
2014-03-04 10:37 ` [PATCH 1/3] gdb/testsuite/gdb.python: Added testcase for .value() method Maxim Bublis
2014-03-05 13:41   ` [PATCH v2 1/3] gdb/testsuite/gdb.python: Added testcase for value method Maxim Bublis
2014-03-04 10:37 ` [PATCH 2/3] gdb/python: raise TypeError instead of abort() on calling .value() method for label symbol object Maxim Bublis
2014-03-04 17:57   ` Phil Muldoon
2014-03-05 13:39     ` Maxim Bublis
2014-03-06  8:37       ` Phil Muldoon
2014-03-05 13:41   ` [PATCH v2 2/3] gdb/python: raise TypeError instead of abort on calling value " Maxim Bublis
2014-04-14  7:41     ` Phil Muldoon
2014-04-16 17:20       ` Maxim Bublis
2014-04-17 12:44         ` Maxim Bublis [this message]
2014-03-25 16:51 ` [PATCH 0/3] Fixed abortion using Python API " Maxim Bublis
2014-03-25 19:51   ` Phil Muldoon

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