what special purpose register?
what names of special purpose registers, little description of each?
special purposes register are, name implies, registers designed task. example, cs
, ds
, gs
, other segment registers fall special purpose registers, because exist hold segments' number. eax
, ecx
etc sgeneral purpose register because can use them without (almost) no limits. example, can't mov es, ds
, can mov eax, ebx
.
so, general purpose registers on x86 are:
- eax
- ecx
- edx
- ebx
- esi
- edi
- ebp
- esp
and special purpose register are:
- cs
- ds
- ss
- es
- fs
- gs
- eip
- flag
i think they're here, if forget 1 leave comment ;)
btw this might resource (first non-wikipedia google's result "special purpose register x86").
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