Re: break on C++ global objects ctors

Daniel Gutson
2014-03-31T12:24:32Z

PING for a maintainer please?

Thanks!

Daniel.

On Wed, Mar 26, 2014 at 3:22 PM, Daniel Gutson
<daniel.gutson@tallertechnologies.com> wrote:
> Hi,
>
> AFAIK, there is no command to break and debug the construction of
> global objects in C++.
>
> I'm looking for an equivalent command to "start" but instead of temp
> breaking at the
> beginning of main(), breaks at the beginning of every global ctor.
>
> The way I'm currently doing this in GNU Linux/x86_64 is:
> br __static_initialization_and_destruction_0
> which is a workaround, with the nice side effect that when asking info br, gdb
> shows all the source locations of the global object instances.
>
> I'm not sure whether this could supported by a native gdb feature or by a python
> extension.
> If there is consensus about the former, I might create some patch.
> However, I suspect that this might require some support from collect2 too,
> or some libc internals knowledge by gdb.
>
> Daniel.