[PATCH] kernel32: Implement K32EnumDeviceDrivers and K32GetDeviceDriverBaseNameA (pt. 2)

[Anthony Lauzon]

I noticed my submission yesterday was a little undercooked and since I have
spent some more time on it, I thought I'd try to submit a (hopefully)
proper patch to the list.  This is a rough implementation of
K32EnumDeviceDrivers and K32GetDeviceDriverBaseNameA.

[Alexandre Julliard]

Anthony Lauzon <anthony.lauzon(a)gmail.com> writes:
> +    status = NtQuerySystemInformation(SystemModuleInformation,
> +                                      smi,
> +                                      SystemInformationLength,
> +                                      &ReturnLength);
> +
> +    ULONG i;
> +    /* Try to find which module matches the base address given */
> +    for (i = 0; i < smi->ModulesCount; ++i)
> +    {
> +        if (i >= cb/sizeof(LPVOID)) {
> +            break;
> +        }
> +        image_base[i] = smi->Modules[i].ImageBaseAddress;
> +    }

This is enumerating the modules loaded in the current process, it
doesn't have anything to do with device drivers. What problem are you
trying to solve?

-- 
Alexandre Julliard
julliard(a)winehq.org

[Anthony Lauzon]

I followed the ReactOS code and the documentation from Microsoft for the
EnumDeviceDrivers function for this code.  I'm attaching a link to the
stack trace from the program I'm trying to run.  It's the Creative E-MU
Emulator X3.  The error is an invalid floating point for 32-bit code error.​
 emux3_trace.log
<https://drive.google.com/file/d/1JLHO-J3lNgUVgvMK8M8BsxNnX8kTycqJ/view?usp=drive_web>
​



On Thu, Jul 12, 2018 at 6:08 AM Alexandre Julliard <julliard(a)winehq.org>
wrote:
> Anthony Lauzon <anthony.lauzon(a)gmail.com> writes:
> > +    status = NtQuerySystemInformation(SystemModuleInformation,
> > +                                      smi,
> > +                                      SystemInformationLength,
> > +                                      &ReturnLength);
> > +
> > +    ULONG i;
> > +    /* Try to find which module matches the base address given */
> > +    for (i = 0; i < smi->ModulesCount; ++i)
> > +    {
> > +        if (i >= cb/sizeof(LPVOID)) {
> > +            break;
> > +        }
> > +        image_base[i] = smi->Modules[i].ImageBaseAddress;
> > +    }
>
> This is enumerating the modules loaded in the current process, it
> doesn't have anything to do with device drivers. What problem are you
> trying to solve?
>
> --
> Alexandre Julliard
> julliard(a)winehq.org