Re: GDB Python - gdb.execute() - with a timeout?

[Ofir Cohen <ofircohenn@gmail.com>]

Hi,
This is achievable via pexpect wrapper.

You can take a look at this example:
http://opensource.apple.com/source/lldb/lldb-76/utils/test/disasm.py

The pexpect.spawn receives timeout as a parameter, so you could adapt it
to your needs.

I don't think this is achievable directly in gdb, i.e. w/o wrappers.
Most of the gdb code _once executed_ is synchronous and doesn't allow timeouts
or that sort of thing.

Correct me if I'm wrong.

- Ofir

On 27 July 2015 at 15:23, Duane Ellis <duane@duaneellis.com> wrote:
> Hi, am trying to script some times using GDB/Python specifically some test cases
>
> The general format of my GDB_PY scripts are:
>
>         import  gdb
>         gdb.execute(“load foobar”)
>
>         gdb.execute(“break test_breakpoint”)
>
>         gdb.execute(“run”)
>         gdb.execute(“set  test_flag=0x1234”)
>
>         gdb.execute(“cont”)      <— HERE Is where I want a timeout
>
>         # At this point, we should eventually hit the “test_breakpoint”
>         # However in some cases we do not.
>
> the timeout needs to be ‘reasonably programable’ - i.e.:  1 second,  10 seconds, an hour would in some use cases be reasonable.
>
> In other words, if my test case is running properly -  I should hit the breakpoint.
>
> I need a means to detect when things go wrong.
>
> This problem is *NOT* limited to the TEST case
>
> Is there some way to do this?
>
> Thanks.
>