Debugging on v8plus

Debugging on v8plus

[Olatunji Ruwase]

Hello,
 I imagine that this issue has been discussed in the past, but I ve been
unable to find much information searching through the archives. So
pardon me for asking, but I m curious as to why there is no gdb support
for debugging v8plus applications (i.e 64 bit registers in a 32 bit
environment). Is it because this isnt important to users ?. Or is there
some other technical reason ?.
In other words will a patch for this support be accepted into gdb ?.

Thanks

tunji

Re: Debugging on v8plus

[Daniel Jacobowitz]

On Tue, Jan 24, 2006 at 08:15:49AM -0800, Olatunji Ruwase wrote:
> Hello,
>  I imagine that this issue has been discussed in the past, but I ve been
> unable to find much information searching through the archives. So
> pardon me for asking, but I m curious as to why there is no gdb support
> for debugging v8plus applications (i.e 64 bit registers in a 32 bit
> environment). Is it because this isnt important to users ?. Or is there
> some other technical reason ?.
> In other words will a patch for this support be accepted into gdb ?.

Presumably it would be, if someone was interested in implementing it
(along with filing an FSF copyright assignment).

-- 
Daniel Jacobowitz
CodeSourcery

Re: Debugging on v8plus

[Olatunji Ruwase]

Daniel Jacobowitz wrote On 01/24/06 08:29,:
> On Tue, Jan 24, 2006 at 08:15:49AM -0800, Olatunji Ruwase wrote:
> 
>>Hello,
>> I imagine that this issue has been discussed in the past, but I ve been
>>unable to find much information searching through the archives. So
>>pardon me for asking, but I m curious as to why there is no gdb support
>>for debugging v8plus applications (i.e 64 bit registers in a 32 bit
>>environment). Is it because this isnt important to users ?. Or is there
>>some other technical reason ?.
>>In other words will a patch for this support be accepted into gdb ?.
> 
> 
> Presumably it would be, if someone was interested in implementing it
> (along with filing an FSF copyright assignment).
> 
Daniel,

I m interested in doing this work. Can I contact you directly with
questions I might while doing this ?

Thanks

tunji

Re: Debugging on v8plus

[Daniel Jacobowitz]

On Tue, Jan 24, 2006 at 10:10:39AM -0800, Olatunji Ruwase wrote:
> 
> 
> Daniel Jacobowitz wrote On 01/24/06 08:29,:
> > On Tue, Jan 24, 2006 at 08:15:49AM -0800, Olatunji Ruwase wrote:
> > 
> >>Hello,
> >> I imagine that this issue has been discussed in the past, but I ve been
> >>unable to find much information searching through the archives. So
> >>pardon me for asking, but I m curious as to why there is no gdb support
> >>for debugging v8plus applications (i.e 64 bit registers in a 32 bit
> >>environment). Is it because this isnt important to users ?. Or is there
> >>some other technical reason ?.
> >>In other words will a patch for this support be accepted into gdb ?.
> > 
> > 
> > Presumably it would be, if someone was interested in implementing it
> > (along with filing an FSF copyright assignment).
> > 
> Daniel,
> 
> I m interested in doing this work. Can I contact you directly with
> questions I might while doing this ?

No, please don't contact developers off-list - use the mailing list,
that's what it's for.  I don't know much about either SPARC or Solaris.

-- 
Daniel Jacobowitz
CodeSourcery

Re: Debugging on v8plus

[Olatunji Ruwase]

Daniel Jacobowitz wrote On 01/24/06 10:19,:
> On Tue, Jan 24, 2006 at 10:10:39AM -0800, Olatunji Ruwase wrote:
> 
>>
>>Daniel Jacobowitz wrote On 01/24/06 08:29,:
>>
>>>On Tue, Jan 24, 2006 at 08:15:49AM -0800, Olatunji Ruwase wrote:
>>>
>>>
>>>>Hello,
>>>>I imagine that this issue has been discussed in the past, but I ve been
>>>>unable to find much information searching through the archives. So
>>>>pardon me for asking, but I m curious as to why there is no gdb support
>>>>for debugging v8plus applications (i.e 64 bit registers in a 32 bit
>>>>environment). Is it because this isnt important to users ?. Or is there
>>>>some other technical reason ?.
>>>>In other words will a patch for this support be accepted into gdb ?.
>>>
>>>
>>>Presumably it would be, if someone was interested in implementing it
>>>(along with filing an FSF copyright assignment).
>>>
>>
>>Daniel,
>>
>>I m interested in doing this work. Can I contact you directly with
>>questions I might while doing this ?
> 
> 
> No, please don't contact developers off-list - use the mailing list,
> that's what it's for.  I don't know much about either SPARC or Solaris.
> 
Will do.

Thanks.
tunji

Re: Debugging on v8plus

[Mark Kettenis]

> Date: Tue, 24 Jan 2006 08:15:49 -0800
> From: Olatunji Ruwase <Olatunji.Ruwase@Sun.COM>
> 
> Hello,
>
>  I imagine that this issue has been discussed in the past, but I ve been
> unable to find much information searching through the archives. So
> pardon me for asking, but I m curious as to why there is no gdb support
> for debugging v8plus applications (i.e 64 bit registers in a 32 bit
> environment). Is it because this isnt important to users ?.

I'm not aware of any people who develop such applications, let alone
people who have requested this feature.

> Or is there some other technical reason ?.

Not really except for the fact that it's a bit pointless to compicate
gdb with code thyat nobody uses.  A possible technical reason would be
that it should be possible for gdb to recognize such v8plus binaries.

> In other words will a patch for this support be accepted into gdb ?.

If you think there are people who actually need this and the copyright
on the changes is assigned to the FSF, there's no reason for us not to
accept it.

Mark

Re: Debugging on v8plus

[Olatunji Ruwase]

Mark Kettenis wrote On 01/24/06 11:36,:
>>Date: Tue, 24 Jan 2006 08:15:49 -0800
>>From: Olatunji Ruwase <Olatunji.Ruwase@Sun.COM>
>>
>>Hello,
>>
>> I imagine that this issue has been discussed in the past, but I ve been
>>unable to find much information searching through the archives. So
>>pardon me for asking, but I m curious as to why there is no gdb support
>>for debugging v8plus applications (i.e 64 bit registers in a 32 bit
>>environment). Is it because this isnt important to users ?.
> 
> 
> I'm not aware of any people who develop such applications, let alone
> people who have requested this feature.
> 
The latest Sun studio compilers generate v8plus by default. So I expect
that interest in this feature should grow.
> 
>>Or is there some other technical reason ?.
> 
> 
> Not really except for the fact that it's a bit pointless to compicate
> gdb with code thyat nobody uses.  A possible technical reason would be
> that it should be possible for gdb to recognize such v8plus binaries.
> 
> 
>>In other words will a patch for this support be accepted into gdb ?.
> 
> 
> If you think there are people who actually need this and the copyright
> on the changes is assigned to the FSF, there's no reason for us not to
> accept it.
> 
Thanks I 'll work with this.

tunji

> Mark
>