Branch: refs/heads/master
Home: https://github.com/dyninst/dyninst
Commit: 20c1c899be22332135b8b82ce0596db425f9a24e
https://github.com/dyninst/dyninst/commit/20c1c899be22332135b8b82ce0596db425f9a24e
Author: Kirill Batuzov <[email protected]>
Date: 2024-05-31 (Fri, 31 May 2024)
Changed paths:
M common/src/arch-x86.C
Log Message:
-----------
x86: handle disambiguation between XOP prefix and POP instruction (#1754)
0x8f can be either the first byte of XOP prefix, or the opcode of POP
instruction. The disambiguation is resolved by map_select field of XOP's second
byte. If it is XOP prefix, than the field should be from [0x8, 0x1f] range.
Otherwise it is ModRM byte, and 0x8f is an opcode. The only instruction with
this opcode is POP, and it requires Reg filed of ModRM to be 0.
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