[haiku-development] Problem with boot loader compiled with Clang (was: Re: FOSDEM)

  • From: Jonathan Schleifer <js-haiku-development@xxxxxxxxxxx>
  • To: haiku-development@xxxxxxxxxxxxx
  • Date: Fri, 1 Feb 2013 16:58:34 +0100

Am 01.02.2013 um 15:43 schrieb Jonathan Schleifer:

>> Did you compare the disassembled code?
> That's unfortunately not possible, as I haven't figured out yet in which part 
> of the bootloader the problem is, and comparing all of the generated assembly 
> of the bootloader would be a little too much ;).

Ok, I got a little further now. And the problem is really strange, but maybe 
someone is able to help.

I found out that the issue only happens if bios_ia32/start.cpp is compiled with 
Clang. If I compile everything with Clang, but bios_ia32/start.cpp with GCC, it 
works. It also works if I comile bios_ia32/start.cpp with Clang and disable SMP 
or comment out the smp_init() line in start.cpp. However, smp_init() is defined 
in another file which is compiled to Clang, so I guess this is not the issue 
and something goes wrong before the call to smp_init(). I has to be something 
in start.cpp, as it works when that file is compiled with GCC and all other 
files with Clang. However, I can't figure out what goes wrong there when that 
file is compiled with Clang.


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  • » [haiku-development] Problem with boot loader compiled with Clang (was: Re: FOSDEM) - Jonathan Schleifer