PATCH: PR binutils/5307: objcopy PE<->EFI doesn't work when both PE/EFI are enabled

[Pedro Alves]

H.J. Lu wrote:
> On Mon, Nov 12, 2007 at 11:02:56PM +0000, Pedro Alves wrote:
>> Wouldn't you normally want the default subsystem of the
>> output?  Isn't it IMAGE_SUBSYSTEM_EFI_APPLICATION for efi-app-* ?
> 
> It is done with
> 
>   if (extra->Subsystem == IMAGE_SUBSYSTEM_UNKNOWN)
>     extra->Subsystem = pe->target_subsystem;
> 
> in _bfd_XXi_swap_aouthdr_out. target_subsystem has been set properly
> according to target.
> 

Thank you for the explanation.

>> Wouldn't a more general objcopy flag to change the subsystem
>> to the one you want be more useful (like ld's --subsystem) ?
>>
>  
> It is called "-O efi-app-ia32" for objcopy.
> 

Point taken ...

I was wondering if you never need to do similar things for
the other efi subsystems (IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER,
IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER), but I take it you don't.

-- 
Pedro Alves