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240 lines
9.3 KiB
240 lines
9.3 KiB
10 years ago
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#pragma once
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#include "Common.h"
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namespace llvm
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{
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class APInt;
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}
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namespace dev
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{
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namespace eth
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{
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namespace jit
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{
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/// Virtual machine bytecode instruction.
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enum class Instruction: uint8_t
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{
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STOP = 0x00, ///< halts execution
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ADD, ///< addition operation
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MUL, ///< mulitplication operation
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SUB, ///< subtraction operation
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DIV, ///< integer division operation
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SDIV, ///< signed integer division operation
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MOD, ///< modulo remainder operation
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SMOD, ///< signed modulo remainder operation
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ADDMOD, ///< unsigned modular addition
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MULMOD, ///< unsigned modular multiplication
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EXP, ///< exponential operation
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SIGNEXTEND, ///< extend length of signed integer
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LT = 0x10, ///< less-than comparision
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GT, ///< greater-than comparision
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SLT, ///< signed less-than comparision
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SGT, ///< signed greater-than comparision
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EQ, ///< equality comparision
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ISZERO, ///< simple not operator
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AND, ///< bitwise AND operation
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OR, ///< bitwise OR operation
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XOR, ///< bitwise XOR operation
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NOT, ///< bitwise NOT opertation
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BYTE, ///< retrieve single byte from word
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SHA3 = 0x20, ///< compute SHA3-256 hash
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ADDRESS = 0x30, ///< get address of currently executing account
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BALANCE, ///< get balance of the given account
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ORIGIN, ///< get execution origination address
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CALLER, ///< get caller address
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CALLVALUE, ///< get deposited value by the instruction/transaction responsible for this execution
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CALLDATALOAD, ///< get input data of current environment
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CALLDATASIZE, ///< get size of input data in current environment
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CALLDATACOPY, ///< copy input data in current environment to memory
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CODESIZE, ///< get size of code running in current environment
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CODECOPY, ///< copy code running in current environment to memory
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GASPRICE, ///< get price of gas in current environment
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EXTCODESIZE, ///< get external code size (from another contract)
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EXTCODECOPY, ///< copy external code (from another contract)
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BLOCKHASH = 0x40, ///< get hash of most recent complete block
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COINBASE, ///< get the block's coinbase address
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TIMESTAMP, ///< get the block's timestamp
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NUMBER, ///< get the block's number
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DIFFICULTY, ///< get the block's difficulty
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GASLIMIT, ///< get the block's gas limit
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POP = 0x50, ///< remove item from stack
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MLOAD, ///< load word from memory
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MSTORE, ///< save word to memory
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MSTORE8, ///< save byte to memory
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SLOAD, ///< load word from storage
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SSTORE, ///< save word to storage
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JUMP, ///< alter the program counter
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JUMPI, ///< conditionally alter the program counter
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PC, ///< get the program counter
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MSIZE, ///< get the size of active memory
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GAS, ///< get the amount of available gas
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JUMPDEST, ///< set a potential jump destination
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PUSH1 = 0x60, ///< place 1 byte item on stack
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PUSH2, ///< place 2 byte item on stack
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PUSH3, ///< place 3 byte item on stack
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PUSH4, ///< place 4 byte item on stack
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PUSH5, ///< place 5 byte item on stack
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PUSH6, ///< place 6 byte item on stack
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PUSH7, ///< place 7 byte item on stack
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PUSH8, ///< place 8 byte item on stack
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PUSH9, ///< place 9 byte item on stack
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PUSH10, ///< place 10 byte item on stack
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PUSH11, ///< place 11 byte item on stack
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PUSH12, ///< place 12 byte item on stack
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PUSH13, ///< place 13 byte item on stack
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PUSH14, ///< place 14 byte item on stack
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PUSH15, ///< place 15 byte item on stack
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PUSH16, ///< place 16 byte item on stack
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PUSH17, ///< place 17 byte item on stack
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PUSH18, ///< place 18 byte item on stack
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PUSH19, ///< place 19 byte item on stack
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PUSH20, ///< place 20 byte item on stack
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PUSH21, ///< place 21 byte item on stack
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PUSH22, ///< place 22 byte item on stack
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PUSH23, ///< place 23 byte item on stack
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PUSH24, ///< place 24 byte item on stack
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PUSH25, ///< place 25 byte item on stack
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PUSH26, ///< place 26 byte item on stack
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PUSH27, ///< place 27 byte item on stack
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PUSH28, ///< place 28 byte item on stack
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PUSH29, ///< place 29 byte item on stack
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PUSH30, ///< place 30 byte item on stack
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PUSH31, ///< place 31 byte item on stack
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PUSH32, ///< place 32 byte item on stack
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DUP1 = 0x80, ///< copies the highest item in the stack to the top of the stack
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DUP2, ///< copies the second highest item in the stack to the top of the stack
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DUP3, ///< copies the third highest item in the stack to the top of the stack
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DUP4, ///< copies the 4th highest item in the stack to the top of the stack
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DUP5, ///< copies the 5th highest item in the stack to the top of the stack
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DUP6, ///< copies the 6th highest item in the stack to the top of the stack
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DUP7, ///< copies the 7th highest item in the stack to the top of the stack
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DUP8, ///< copies the 8th highest item in the stack to the top of the stack
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DUP9, ///< copies the 9th highest item in the stack to the top of the stack
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DUP10, ///< copies the 10th highest item in the stack to the top of the stack
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DUP11, ///< copies the 11th highest item in the stack to the top of the stack
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DUP12, ///< copies the 12th highest item in the stack to the top of the stack
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DUP13, ///< copies the 13th highest item in the stack to the top of the stack
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DUP14, ///< copies the 14th highest item in the stack to the top of the stack
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DUP15, ///< copies the 15th highest item in the stack to the top of the stack
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DUP16, ///< copies the 16th highest item in the stack to the top of the stack
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SWAP1 = 0x90, ///< swaps the highest and second highest value on the stack
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SWAP2, ///< swaps the highest and third highest value on the stack
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SWAP3, ///< swaps the highest and 4th highest value on the stack
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SWAP4, ///< swaps the highest and 5th highest value on the stack
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SWAP5, ///< swaps the highest and 6th highest value on the stack
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SWAP6, ///< swaps the highest and 7th highest value on the stack
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SWAP7, ///< swaps the highest and 8th highest value on the stack
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SWAP8, ///< swaps the highest and 9th highest value on the stack
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SWAP9, ///< swaps the highest and 10th highest value on the stack
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SWAP10, ///< swaps the highest and 11th highest value on the stack
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SWAP11, ///< swaps the highest and 12th highest value on the stack
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SWAP12, ///< swaps the highest and 13th highest value on the stack
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SWAP13, ///< swaps the highest and 14th highest value on the stack
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SWAP14, ///< swaps the highest and 15th highest value on the stack
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SWAP15, ///< swaps the highest and 16th highest value on the stack
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SWAP16, ///< swaps the highest and 17th highest value on the stack
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LOG0 = 0xa0, ///< Makes a log entry; no topics.
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LOG1, ///< Makes a log entry; 1 topic.
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LOG2, ///< Makes a log entry; 2 topics.
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LOG3, ///< Makes a log entry; 3 topics.
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LOG4, ///< Makes a log entry; 4 topics.
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CREATE = 0xf0, ///< create a new account with associated code
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CALL, ///< message-call into an account
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CALLCODE, ///< message-call with another account's code only
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RETURN, ///< halt execution returning output data
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SUICIDE = 0xff ///< halt execution and register account for later deletion
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};
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/// Reads PUSH data from pointed fragment of bytecode and constructs number out of it
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/// Reading out of bytecode means reading 0
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/// @param _curr is updated and points the last real byte read
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llvm::APInt readPushData(code_iterator& _curr, code_iterator _end);
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/// Skips PUSH data in pointed fragment of bytecode.
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/// @param _curr is updated and points the last real byte skipped
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void skipPushData(code_iterator& _curr, code_iterator _end);
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#define ANY_PUSH PUSH1: \
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case Instruction::PUSH2: \
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case Instruction::PUSH3: \
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case Instruction::PUSH4: \
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case Instruction::PUSH5: \
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case Instruction::PUSH6: \
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case Instruction::PUSH7: \
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case Instruction::PUSH8: \
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case Instruction::PUSH9: \
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case Instruction::PUSH10: \
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case Instruction::PUSH11: \
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case Instruction::PUSH12: \
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case Instruction::PUSH13: \
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case Instruction::PUSH14: \
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case Instruction::PUSH15: \
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case Instruction::PUSH16: \
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case Instruction::PUSH17: \
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case Instruction::PUSH18: \
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case Instruction::PUSH19: \
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case Instruction::PUSH20: \
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case Instruction::PUSH21: \
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case Instruction::PUSH22: \
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case Instruction::PUSH23: \
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case Instruction::PUSH24: \
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case Instruction::PUSH25: \
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case Instruction::PUSH26: \
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case Instruction::PUSH27: \
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case Instruction::PUSH28: \
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case Instruction::PUSH29: \
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case Instruction::PUSH30: \
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case Instruction::PUSH31: \
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case Instruction::PUSH32
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#define ANY_DUP DUP1: \
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case Instruction::DUP2: \
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case Instruction::DUP3: \
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case Instruction::DUP4: \
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case Instruction::DUP5: \
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case Instruction::DUP6: \
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case Instruction::DUP7: \
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case Instruction::DUP8: \
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case Instruction::DUP9: \
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case Instruction::DUP10: \
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case Instruction::DUP11: \
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case Instruction::DUP12: \
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case Instruction::DUP13: \
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case Instruction::DUP14: \
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case Instruction::DUP15: \
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case Instruction::DUP16
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#define ANY_SWAP SWAP1: \
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case Instruction::SWAP2: \
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case Instruction::SWAP3: \
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case Instruction::SWAP4: \
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case Instruction::SWAP5: \
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case Instruction::SWAP6: \
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case Instruction::SWAP7: \
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case Instruction::SWAP8: \
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case Instruction::SWAP9: \
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case Instruction::SWAP10: \
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case Instruction::SWAP11: \
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case Instruction::SWAP12: \
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case Instruction::SWAP13: \
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case Instruction::SWAP14: \
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case Instruction::SWAP15: \
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case Instruction::SWAP16
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}
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}
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}
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