From: Tom Tromey <tromey@redhat.com>
To: Sinbad <sinbad.sinbad@gmail.com>
Cc: gdb@sourceware.org
Subject: Re: gdb user defined function
Date: Mon, 16 Jan 2012 20:46:00 -0000 [thread overview]
Message-ID: <m3vcobml3x.fsf@fleche.redhat.com> (raw)
In-Reply-To: <CAOCFqOuvnuD2OjkJ0+b+10J+kt892Ch+uT3CF1miTwCo6ZvChQ@mail.gmail.com> (Sinbad's message of "Sun, 15 Jan 2012 08:21:11 +0530")
>>>>> "Sinbad" == Sinbad <sinbad.sinbad@gmail.com> writes:
Sinbad> i am trying to write a user-defined function in gdb.
Sinbad> while analyzing the core is it possible to see if a
Sinbad> pointer variable is accessible or not inside a gdb
Sinbad> user-defined function. for example.
Sinbad> (gdb) p *ptr
Sinbad> cannot access memory at address 0x35336
Sinbad> is there any way to find this inside a gdb function.
Sinbad> i need something as follows
Sinbad> define sub
Sinbad> is_accessible(ptr)
Sinbad> end
I can't think of an easy way to do this from the gdb CLI, but you can do
it from Python by catching the exception.
You could straightforwardly write a $is_valid function that examines a
pointer for validity.
Tom
next prev parent reply other threads:[~2012-01-16 20:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-15 2:51 Sinbad
2012-01-16 20:46 ` Tom Tromey [this message]
2012-01-17 6:10 ` Sinbad
2012-01-17 16:29 ` Tom Tromey
2012-01-17 16:31 ` Tom Tromey
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