[lldb-dev] frame variable outputs nothing

[Mikkel Eriksen]

I unfortunately do not have source access or debug symbols. Can I use the
method signature to determine the arguments?

On Sun, Mar 22, 2015 at 4:49 PM, Azat Khuzhin <a3at.mail at gmail.com> wrote:

> On Sun, Mar 22, 2015 at 04:02:18PM +0100, Mikkel Eriksen wrote:
> > Hi
> >
> > I set a breakpoint and launch an application via lldb, and want to
> inspect
> > the arguments of the method when the breakpoint triggers, however nothing
> > shows:
> >
> > (lldb) thread backtrace
> > * thread #20: tid = 0x1352c6, 0x00000001001eb510
> > Application`Blitz::sharpen(QImage&, int), name = 'VolumeTabSlotFilter',
>
> Here you have only types, but not values, seems that you don't have
> debug symbols, no?
>
> > stop reason = breakpoint 2.1
> >   * frame #0: 0x00000001001eb510 Application`Blitz::sharpen(QImage&, int)
> >     frame #1: 0x00000001001dca79 Application`Filter::sharpen(QImage) + 25
> >     frame #2:
> > 0x000000010007bbd1 Application`VolumeTab::slotFilter_sharpen() + 145
> >     frame #3: 0x0000000102dcb80f QtCore`QMetaObject::activate(QObject*,
> > int, int, void**) + 2591
> >     frame #4: 0x0000000100080615 Application`VolumeTabSlotFilter::run() +
> > 309
> >     frame #5: 0x0000000102b963e3 QtCore`QThreadPrivate::start(void*) +
> 339
> >     frame #6: 0x00007fff8f80f268 libsystem_pthread.dylib`_pthread_body +
> 131
> >     frame #7: 0x00007fff8f80f1e5 libsystem_pthread.dylib`_pthread_start +
> > 176
> >     frame #8: 0x00007fff8f80d41d libsystem_pthread.dylib`thread_start +
> 13
> > (lldb) frame variable
> > (lldb)
> >
> > What am I doing wrong? I've tried googling for a solution but have not
> > found anything.
>
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