Messages in this thread | | | Date | Mon, 16 Mar 2009 16:12:30 +0200 | From | Avi Kivity <> | Subject | Re: x86: asm doubt |
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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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