Global Descriptor Table: Difference between revisions
Jump to navigation
Jump to search
| [unchecked revision] | [unchecked revision] |
Content deleted Content added
mNo edit summary |
|||
| Line 37: | Line 37: | ||
=== x86-64 Changes === |
=== x86-64 Changes === |
||
* '''L''' bit (bit 53, next to '''Sz''') is used to indicate x86-64 code descriptor. ''' |
* '''L''' bit (bit 53, next to '''Sz''') is used to indicate x86-64 code descriptor. '''For data segments, this bit is reserved''' |
||
* '''Sz''' bit (bit 54) has to be 0 when the '''L''' bit is set, as the combination '''Sz''' = 1, '''L''' = 1 is reserved for future use (and will throw an exception if you try to use it) |
* '''Sz''' bit (bit 54) has to be 0 when the '''L''' bit is set, as the combination '''Sz''' = 1, '''L''' = 1 is reserved for future use (and will throw an exception if you try to use it) |
||
<br/> |
<br/> |
||