Messages in this thread | | | Subject | Re: Running Application Inside Application | From | Bernd Petrovitsch <> | Date | Mon, 21 Nov 2011 12:05:51 +0100 |
| |
On Mon, 2011-11-21 at 11:25 +0800, Cong Wang wrote: > On Mon, Nov 21, 2011 at 10:18 AM, Xin Tong <xerox.time.tech@gmail.com> wrote: > > I have applications that do not install signal handlers I need it to > > install. Therefore, I am thinking about having a light-weight run-time > > to load the application ELF file and install the needed signal handler > > in the run-time ? Is this doable ? What if it is not ELF-encoded ? > > If you want to exec*() to load the ELF, no, the signal handlers will be
It is in general so - not only für ELF.
> cleared after exec*(), as the entire .text will be replaced by the new ELF file. > > So, you probably have to parse and load the ELF file by yourself.
Hmmm, if these (obviously broken) applications use dynamic linking, one could probably use a preload library. Never tried that though .....
Bernd -- Bernd Petrovitsch Email : bernd@petrovitsch.priv.at LUGA : http://www.luga.at
-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |