Re: x86: asm doubt

[Avi Kivity]

Jeremy Fitzhardinge wrote:
> In 32-bit mode, moving to a segment register can fault if the 
> underlying GDT/LDT entry is invalid.  In 64-bit mode, segment 
> registers are mostly decorative and have no function, and moving 
> arbitrary values into them doesn't fault, making the exception 
> catching unnecessary.

64-bit mode will in fact fault if an access is made outside the GDT/LDT, 
or of the descriptor is invalid.


--
error compiling committee.c: too many arguments to function

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