RandomWOW/src/Instruction.hpp

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/*
Copyright (c) 2018 tevador
This file is part of RandomX.
RandomX is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
RandomX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with RandomX. If not, see<http://www.gnu.org/licenses/>.
*/
#pragma once
#include <cstdint>
#include <iostream>
namespace RandomX {
class Instruction;
typedef void(Instruction::*InstructionVisualizer)(std::ostream&) const;
namespace InstructionType {
constexpr int IADD_R = 0;
constexpr int IADD_M = 1;
constexpr int IADD_RC = 2;
constexpr int ISUB_R = 3;
constexpr int ISUB_M = 4;
constexpr int IMUL_9C = 5;
constexpr int IMUL_R = 6;
constexpr int IMUL_M = 7;
constexpr int IMULH_R = 8;
constexpr int IMULH_M = 9;
constexpr int ISMULH_R = 10;
constexpr int ISMULH_M = 11;
constexpr int IDIV_C = 12;
constexpr int ISDIV_C = 13;
constexpr int INEG_R = 14;
constexpr int IXOR_R = 15;
constexpr int IXOR_M = 16;
constexpr int IROR_R = 17;
constexpr int IROL_R = 18;
constexpr int ISWAP_R = 19;
constexpr int FPSWAP_R = 20;
constexpr int FPADD_R = 21;
constexpr int FPADD_M = 22;
constexpr int FPSUB_R = 23;
constexpr int FPSUB_M = 24;
constexpr int FPNEG_R = 25;
constexpr int FPMUL_R = 26;
constexpr int FPMUL_M = 27;
constexpr int FPDIV_R = 28;
constexpr int FPDIV_M = 29;
constexpr int FPSQRT_R = 30;
constexpr int COND_R = 31;
constexpr int COND_M = 32;
constexpr int CFROUND = 33;
constexpr int ISTORE = 34;
constexpr int FSTORE = 35;
constexpr int NOP = 36;
}
class Instruction {
public:
uint8_t opcode;
uint8_t dst;
uint8_t src;
uint8_t mod;
int32_t imm32;
const char* getName() const {
return names[opcode];
}
friend std::ostream& operator<<(std::ostream& os, const Instruction& i) {
i.print(os);
return os;
}
private:
void print(std::ostream&) const;
static const char* names[256];
static InstructionVisualizer engine[256];
void genAddressReg(std::ostream& os) const;
void genAddressImm(std::ostream& os) const;
void genAddressRegDst(std::ostream&) const;
void h_IADD_R(std::ostream&) const;
void h_IADD_M(std::ostream&) const;
void h_IADD_RC(std::ostream&) const;
void h_ISUB_R(std::ostream&) const;
void h_ISUB_M(std::ostream&) const;
void h_IMUL_9C(std::ostream&) const;
void h_IMUL_R(std::ostream&) const;
void h_IMUL_M(std::ostream&) const;
void h_IMULH_R(std::ostream&) const;
void h_IMULH_M(std::ostream&) const;
void h_ISMULH_R(std::ostream&) const;
void h_ISMULH_M(std::ostream&) const;
void h_IDIV_C(std::ostream&) const;
void h_ISDIV_C(std::ostream&) const;
void h_INEG_R(std::ostream&) const;
void h_IXOR_R(std::ostream&) const;
void h_IXOR_M(std::ostream&) const;
void h_IROR_R(std::ostream&) const;
void h_IROL_R(std::ostream&) const;
void h_ISWAP_R(std::ostream&) const;
void h_FPSWAP_R(std::ostream&) const;
void h_FPADD_R(std::ostream&) const;
void h_FPADD_M(std::ostream&) const;
void h_FPSUB_R(std::ostream&) const;
void h_FPSUB_M(std::ostream&) const;
void h_FPNEG_R(std::ostream&) const;
void h_FPMUL_R(std::ostream&) const;
void h_FPMUL_M(std::ostream&) const;
void h_FPDIV_R(std::ostream&) const;
void h_FPDIV_M(std::ostream&) const;
void h_FPSQRT_R(std::ostream&) const;
void h_COND_R(std::ostream&) const;
void h_COND_M(std::ostream&) const;
void h_CFROUND(std::ostream&) const;
void h_ISTORE(std::ostream&) const;
void h_FSTORE(std::ostream&) const;
void h_NOP(std::ostream&) const;
};
static_assert(sizeof(Instruction) == 8, "Invalid alignment of struct Instruction");
}