On Wed, Apr 26, 2017 at 03:52:41PM -0700, Ricardo Neri wrote:
> Probably insn_get_seg_base() itself can verify if there are segment
> override prefixes in the struct insn. If yes, use them except for
> specific cases such as CS.

... and depending on whether in long mode or not.

> On an unrelated note, I still have the problem of using DS vs ES for
> string instructions. Perhaps instead of a use_default_seg flag, a
> string_instruction flag that indicates how to determine the default
> segment.

... or you can look at the insn opcode directly. AFAICT, you need
to check whether the opcode is 0xa4 or 0xa5 and that the insn is a
single-byte opcode, i.e., not from the secondary map escaped with 0xf or
some of the other multi-byte opcode maps.


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