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Diffstat (limited to 'CHANGELOG')
| -rw-r--r-- | CHANGELOG | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -25,6 +25,17 @@ ### fixes +the behavior additions mentioned above have been tested by running x86 +instructions (64-, 32-, and 16-bit) under asmlinator: https://crates.io/crates/asmlinator + +this made obvious many cases where yaxpeax-x86 allowed instructions that +hardware disallowed, was too permissive about VEX/EVEX bits (treating W as WIG +when SDM/APM define it as fixed 0 or 1), some cases of swapped operands, and +several cases of unreported memory access sizes. so, there is a relatively +large set of fixes and refinements to instruction rejection, all in the +direction of being closer to actual hardware decoding logic. in most cases, +this also brings yaxpeax-x86 more in-line with Intel XED, Zydis, etc. + many changes along the way that reject previously erroneously-accepted instructions, as well as fixing issues related to operand reporting in the face of operand/address size prefixes. these are grouped together for library users |