On Thu, Sep 28, 2017 at 11:06:42PM -0700, Ricardo Neri wrote: > I agree. In fact, insn_get_seg_base() does not need insn at all. All it needs > is > a INAT_SEG_REG_* index. This would make things clear. UMIP (and callers that > need to copy_from_user code can do insn_get_seg_base(regs, INAT_SEG_REG_CS). > No > insn needed.
Yap. > In fact, it is only the insn_get_addr_ref_xx() family of functions that does I think you mean get_addr_ref_xx() here. > Do you think the pseudocode above addresses your concerns? > > *insn_get_seg_base() will take a INAT_SEG_REG_* index > *insn_get_ref_xx() receives an initialized insn that can check for NULL value. > *a reworked resolve_seg_reg_idx will clearly check if it can use segment > override prefixes and obtain them. If not, it will use default values. Makes sense, but send me the final version to take a look at it too. Thanks. -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --