1 //===-- X86BaseInfo.h - Top level definitions for X86 -------- --*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file contains small standalone helper functions and enum definitions for 11 // the X86 target useful for the compiler back-end and the MC libraries. 12 // As such, it deliberately does not include references to LLVM core 13 // code gen types, passes, etc.. 14 // 15 //===----------------------------------------------------------------------===// 16 17 #ifndef CS_X86_BASEINFO_H 18 #define CS_X86_BASEINFO_H 19 20 /* Capstone Disassembly Engine */ 21 /* By Nguyen Anh Quynh <aquynh (at) gmail.com>, 2013-2014 */ 22 23 // Enums for memory operand decoding. Each memory operand is represented with 24 // a 5 operand sequence in the form: 25 // [BaseReg, ScaleAmt, IndexReg, Disp, Segment] 26 // These enums help decode this. 27 enum { 28 X86_AddrBaseReg = 0, 29 X86_AddrScaleAmt = 1, 30 X86_AddrIndexReg = 2, 31 X86_AddrDisp = 3, 32 33 /// AddrSegmentReg - The operand # of the segment in the memory operand. 34 X86_AddrSegmentReg = 4, 35 36 /// AddrNumOperands - Total number of operands in a memory reference. 37 X86_AddrNumOperands = 5 38 }; 39 40 #endif 41
