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/*
This file is part of cpp-ethereum.
cpp-ethereum 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.
cpp-ethereum 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 cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ETHSERP_OPCODES
#define ETHSERP_OPCODES
#include <stdio.h>
#include <iostream>
#include <vector>
#include <map>
class Mapping {
public:
Mapping(std::string Op, int Opcode, int In, int Out) {
op = Op;
opcode = Opcode;
in = In;
out = Out;
}
std::string op;
int opcode;
int in;
int out;
};
Mapping mapping[] = {
Mapping("STOP", 0x00, 0, 0),
Mapping("ADD", 0x01, 2, 1),
Mapping("MUL", 0x02, 2, 1),
Mapping("SUB", 0x03, 2, 1),
Mapping("DIV", 0x04, 2, 1),
Mapping("SDIV", 0x05, 2, 1),
Mapping("MOD", 0x06, 2, 1),
Mapping("SMOD", 0x07, 2, 1),
Mapping("EXP", 0x08, 2, 1),
Mapping("NEG", 0x09, 1, 1),
Mapping("LT", 0x0a, 2, 1),
Mapping("GT", 0x0b, 2, 1),
Mapping("SLT", 0x0c, 2, 1),
Mapping("SGT", 0x0d, 2, 1),
Mapping("EQ", 0x0e, 2, 1),
Mapping("NOT", 0x0f, 1, 1),
Mapping("AND", 0x10, 2, 1),
Mapping("OR", 0x11, 2, 1),
Mapping("XOR", 0x12, 2, 1),
Mapping("BYTE", 0x13, 2, 1),
Mapping("ADDMOD", 0x14, 3, 1),
Mapping("MULMOD", 0x15, 3, 1),
Mapping("SIGNEXTEND", 0x16, 2, 1),
Mapping("SHA3", 0x20, 2, 1),
Mapping("ADDRESS", 0x30, 0, 1),
Mapping("BALANCE", 0x31, 1, 1),
Mapping("ORIGIN", 0x32, 0, 1),
Mapping("CALLER", 0x33, 0, 1),
Mapping("CALLVALUE", 0x34, 0, 1),
Mapping("CALLDATALOAD", 0x35, 1, 1),
Mapping("CALLDATASIZE", 0x36, 0, 1),
Mapping("CALLDATACOPY", 0x37, 3, 1),
Mapping("CODESIZE", 0x38, 0, 1),
Mapping("CODECOPY", 0x39, 3, 1),
Mapping("GASPRICE", 0x3a, 0, 1),
Mapping("PREVHASH", 0x40, 0, 1),
Mapping("COINBASE", 0x41, 0, 1),
Mapping("TIMESTAMP", 0x42, 0, 1),
Mapping("NUMBER", 0x43, 0, 1),
Mapping("DIFFICULTY", 0x44, 0, 1),
Mapping("GASLIMIT", 0x45, 0, 1),
Mapping("POP", 0x50, 1, 0),
Mapping("MLOAD", 0x53, 1, 1),
Mapping("MSTORE", 0x54, 2, 0),
Mapping("MSTORE8", 0x55, 2, 0),
Mapping("SLOAD", 0x56, 1, 1),
Mapping("SSTORE", 0x57, 2, 0),
Mapping("JUMP", 0x58, 1, 0),
Mapping("JUMPI", 0x59, 2, 0),
Mapping("PC", 0x5a, 0, 1),
Mapping("MSIZE", 0x5b, 0, 1),
Mapping("GAS", 0x5c, 0, 1),
Mapping("JUMPDEST", 0x5d, 0, 0),
Mapping("CREATE", 0xf0, 3, 1),
Mapping("CALL", 0xf1, 7, 1),
Mapping("RETURN", 0xf2, 2, 0),
Mapping("CALL_CODE", 0xf3, 7, 1),
Mapping("SUICIDE", 0xff, 1, 0),
Mapping("---END---", 0x00, 0, 0),
};
std::map<std::string, std::vector<int> > opcodes;
std::map<int, std::string> reverseOpcodes;
// Fetches everything EXCEPT PUSH1..32
std::pair<std::string, std::vector<int> > _opdata(std::string ops, int opi)
{
if (!opcodes.size())
{
int i = 0;
while (mapping[i].op != "---END---")
{
Mapping mi = mapping[i];
opcodes[mi.op] = triple(mi.opcode, mi.in, mi.out);
i++;
}
for (i = 1; i <= 16; i++)
{
opcodes["DUP"+unsignedToDecimal(i)] = triple(0x7f + i, i, i+1);
opcodes["SWAP"+unsignedToDecimal(i)] = triple(0x8f + i, i+1, i+1);
}
for (std::map<std::string, std::vector<int> >::iterator it=opcodes.begin(); it != opcodes.end(); it++)
reverseOpcodes[(*it).second[0]] = (*it).first;
}
std::string op;
std::vector<int> opdata;
op = reverseOpcodes.count(opi) ? reverseOpcodes[opi] : "";
opdata = opcodes.count(ops) ? opcodes[ops] : triple(-1, -1, -1);
return std::pair<std::string, std::vector<int> >(op, opdata);
}
int opcode(std::string op)
{
return _opdata(op, -1).second[0];
}
int opinputs(std::string op)
{
return _opdata(op, -1).second[1];
}
int opoutputs(std::string op)
{
return _opdata(op, -1).second[2];
}
std::string op(int opcode)
{
return _opdata("", opcode).first;
}
#endif