зеркало из https://github.com/microsoft/eEVM.git
Update opcodes and add documentation (#65)
This commit is contained in:
Syed Jafri
GitHub
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fb30c33c7b
Коммит
12951f37d3
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@ -8,151 +8,166 @@ namespace eevm
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{
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/**
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* All opcodes supported by our EVM. Note that we currently target Homestead
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* compliance, so we are missing some more recent additions (RETURNDATASIZE,
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* RETURNDATACOPY)
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* compliance, so we are missing some more recent additions
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* (RETURNDATASIZE, RETURNDATACOPY, STATICCALL, REVERT, INVALID)
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*/
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enum Opcode : uint8_t
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{
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STOP = 0x00,
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ADD,
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MUL,
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SUB,
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DIV,
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SDIV,
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MOD,
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SMOD,
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ADDMOD,
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MULMOD,
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EXP,
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SIGNEXTEND,
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// 0s: Stop and Arithmetic Operations
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STOP = 0x00, // Halts execution
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ADD = 0x01, // Addition operation
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MUL = 0x02, // Multiplication operation
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SUB = 0x03, // Substraction operation
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DIV = 0x04, // Integer division operation
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SDIV = 0x05, // Signed integer division operation (truncated)
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MOD = 0x06, // Modulo remainder operation
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SMOD = 0x07, // Signed modulo remainder operation
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ADDMOD = 0x08, // Modulo addition operation
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MULMOD = 0x09, // Modulo multiplication operation
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EXP = 0x0a, // Exponential operation
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SIGNEXTEND = 0x0b, // Extend length of two’s complement signed integer.
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LT = 0x10,
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GT,
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SLT,
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SGT,
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EQ,
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ISZERO,
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AND,
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OR,
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XOR,
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NOT,
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BYTE,
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// 10s: Comparison & Bitwise Logic Operations
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LT = 0x10, // Less-than comparison
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GT = 0x11, // Greater-than comparison
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SLT = 0x12, // Signed less-than comparison
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SGT = 0x13, // Signed greater-than comparison
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EQ = 0x14, // Equality comparison
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ISZERO = 0x15, // Simple not operator
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AND = 0x16, // Bitwise AND operation
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OR = 0x17, // Bitwise OR operation
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XOR = 0x18, // Bitwise XOR operation
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NOT = 0x19, // Bitwise NOT operation
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BYTE = 0x1a, // Retrieve single byte from word
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SHA3 = 0x20,
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// 20s: SHA3
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SHA3 = 0x20, // Compute Keccak-256 hash.
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ADDRESS = 0x30,
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BALANCE,
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ORIGIN,
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CALLER,
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CALLVALUE,
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CALLDATALOAD,
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CALLDATASIZE,
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CALLDATACOPY,
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CODESIZE,
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CODECOPY,
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GASPRICE,
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EXTCODESIZE,
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EXTCODECOPY,
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// 30s: Environmental Information
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ADDRESS = 0x30, // Get address of currently executing account
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BALANCE = 0x31, // Get balance of the given account.
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ORIGIN = 0x32, // Get execution origination address (This is the sender of original transaction; it is never an account with non-emptyassociated code.)
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CALLER = 0x33, // Get caller address (This is the address of the account that is directly responsible for this execution.)
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CALLVALUE = 0x34, // Get deposited value by the instruction/transaction responsible for this execution.
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CALLDATALOAD = 0x35, // Get input data of current environment. (This pertains to the input data passed with the message call instruction or transaction.)
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CALLDATASIZE = 0x36, // Get size of input data in current environment (This pertains to the input data passed with the message call instruction or transaction.)
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CALLDATACOPY = 0x37, // Copy input data in current environment to memory. (This pertains to the input data passed with the message call instruction or transaction.)
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CODESIZE = 0x38, // Get size of code running in current environment.
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CODECOPY = 0x39, // Copy code running in current environment to memory
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GASPRICE = 0x3a, // Get price of gas in current environment. (This is gas price specified by the originating transaction.)
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EXTCODESIZE = 0x3b, // Get size of an account’s code.
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EXTCODECOPY = 0x3c, // Copy an account’s code to memory
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// RETURNDATASIZE = 0x3d, // Get size of output data from the previous call from the current environment.
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// RETURNDATACOPY = 0x3e, // Copy output data from the previous call to memory.
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BLOCKHASH = 0x40,
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COINBASE,
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TIMESTAMP,
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NUMBER,
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DIFFICULTY,
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GASLIMIT,
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// 40s: Block Information
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BLOCKHASH = 0x40, // Get the hash of one of the 256 most recent complete blocks.
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COINBASE = 0x41, // Get the block’s beneficiary address
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TIMESTAMP = 0x42, // Get the block’s timestamp.
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NUMBER = 0x43, // Get the block’s number
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DIFFICULTY = 0x44, // Get the block’s difficulty.
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GASLIMIT = 0x45, // Get the block’s gas limit
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POP = 0x50,
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MLOAD,
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MSTORE,
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MSTORE8,
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SLOAD,
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SSTORE,
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JUMP,
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JUMPI,
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PC,
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MSIZE,
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GAS,
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JUMPDEST,
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// 50s: Stack, Memory, Storage and Flow Operations
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POP = 0x50, // Remove item from stack.
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MLOAD = 0x51, // Load word from memory.
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MSTORE = 0x52, // Save word to memory
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MSTORE8 = 0x53, // Save byte to memory
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SLOAD = 0x54, // Load word from storage.
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SSTORE = 0x55, // Save word to storage
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JUMP = 0x56, // Alter the program counter.
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JUMPI = 0x57, // Conditionally alter the program counter.
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PC = 0x58, // Get the value of the program counter prior to the increment corresponding to this instruction.
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MSIZE = 0x59, // Get the size of active memory in bytes.
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GAS = 0x5a, // Get the amount of available gas, including the corresponding reduction for the cost of this instruction.
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JUMPDEST = 0x5b, // Mark a valid destination for jumps. This operation has no effect on machine state during execution
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PUSH1 = 0x60,
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PUSH2,
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PUSH3,
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PUSH4,
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PUSH5,
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PUSH6,
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PUSH7,
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PUSH8,
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PUSH9,
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PUSH10,
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PUSH11,
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PUSH12,
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PUSH13,
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PUSH14,
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PUSH15,
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PUSH16,
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PUSH17,
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PUSH18,
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PUSH19,
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PUSH20,
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PUSH21,
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PUSH22,
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PUSH23,
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PUSH24,
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PUSH25,
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PUSH26,
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PUSH27,
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PUSH28,
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PUSH29,
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PUSH30,
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PUSH31,
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PUSH32,
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// 60s & 70s: Push Operations
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PUSH1 = 0x60, // Place 1 byte item on stack.
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PUSH2 = 0x61, // Place 2 byte item on stack.
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PUSH3 = 0x62, // Place 3 byte item on stack.
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PUSH4 = 0x63, // Place 4 byte item on stack.
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PUSH5 = 0x64, // Place 5 byte item on stack.
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PUSH6 = 0x65, // Place 6 byte item on stack.
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PUSH7 = 0x66, // Place 7 byte item on stack.
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PUSH8 = 0x67, // Place 8 byte item on stack.
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PUSH9 = 0x68, // Place 9 byte item on stack.
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PUSH10 = 0x69, // Place 10 byte item on stack.
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PUSH11 = 0x6a, // Place 11 byte item on stack.
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PUSH12 = 0x6b, // Place 12 byte item on stack.
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PUSH13 = 0x6c, // Place 13 byte item on stack.
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PUSH14 = 0x6d, // Place 14 byte item on stack.
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PUSH15 = 0x6e, // Place 15 byte item on stack.
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PUSH16 = 0x6f, // Place 16 byte item on stack.
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PUSH17 = 0x70, // Place 17 byte item on stack.
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PUSH18 = 0x71, // Place 18 byte item on stack.
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PUSH19 = 0x72, // Place 19 byte item on stack.
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PUSH20 = 0x73, // Place 20 byte item on stack.
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PUSH21 = 0x74, // Place 21 byte item on stack.
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PUSH22 = 0x75, // Place 22 byte item on stack.
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PUSH23 = 0x76, // Place 23 byte item on stack.
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PUSH24 = 0x77, // Place 24 byte item on stack.
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PUSH25 = 0x78, // Place 25 byte item on stack.
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PUSH26 = 0x79, // Place 26 byte item on stack.
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PUSH27 = 0x7a, // Place 27 byte item on stack.
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PUSH28 = 0x7b, // Place 28 byte item on stack.
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PUSH29 = 0x7c, // Place 29 byte item on stack.
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PUSH30 = 0x7d, // Place 30 byte item on stack.
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PUSH31 = 0x7e, // Place 31 byte item on stack.
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PUSH32 = 0x7f, // Place 32 byte item on stack.
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DUP1 = 0x80,
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DUP2,
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DUP3,
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DUP4,
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DUP5,
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DUP6,
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DUP7,
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DUP8,
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DUP9,
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DUP10,
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DUP11,
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DUP12,
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DUP13,
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DUP14,
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DUP15,
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DUP16,
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// 80s: Duplication Operation
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DUP1 = 0x80, // Duplicate 1st stack item
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DUP2 = 0x81, // Duplicate 2nd stack item
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DUP3 = 0x82, // Duplicate 3rd stack item
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DUP4 = 0x83, // Duplicate 4th stack item
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DUP5 = 0x84, // Duplicate 5th stack item
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DUP6 = 0x85, // Duplicate 6th stack item
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DUP7 = 0x86, // Duplicate 7th stack item
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DUP8 = 0x87, // Duplicate 8th stack item
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DUP9 = 0x88, // Duplicate 9th stack item
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DUP10 = 0x89, // Duplicate 10th stack item
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DUP11 = 0x8a, // Duplicate 11th stack item
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DUP12 = 0x8b, // Duplicate 12th stack item
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DUP13 = 0x8c, // Duplicate 13th stack item
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DUP14 = 0x8d, // Duplicate 14th stack item
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DUP15 = 0x8e, // Duplicate 15th stack item
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DUP16 = 0x8f, // Duplicate 16th stack item
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SWAP1 = 0x90,
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SWAP2,
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SWAP3,
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SWAP4,
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SWAP5,
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SWAP6,
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SWAP7,
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SWAP8,
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SWAP9,
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SWAP10,
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SWAP11,
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SWAP12,
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SWAP13,
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SWAP14,
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SWAP15,
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SWAP16,
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// 90s: Exchange Operation
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SWAP1 = 0x90, // Exchange 1st and 2nd stack item
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SWAP2 = 0x91, // Exchange 1st and 3rd stack item
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SWAP3 = 0x92, // Exchange 1st and 4th stack item
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SWAP4 = 0x93, // Exchange 1st and 5th stack item
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SWAP5 = 0x94, // Exchange 1st and 6th stack item
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SWAP6 = 0x95, // Exchange 1st and 7th stack item
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SWAP7 = 0x96, // Exchange 1st and 8th stack item
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SWAP8 = 0x97, // Exchange 1st and 9th stack item
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SWAP9 = 0x98, // Exchange 1st and 10th stack item
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SWAP10 = 0x99, // Exchange 1st and 11th stack item
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SWAP11 = 0x9a, // Exchange 1st and 12th stack item
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SWAP12 = 0x9b, // Exchange 1st and 13th stack item
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SWAP13 = 0x9c, // Exchange 1st and 14th stack item
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SWAP14 = 0x9d, // Exchange 1st and 15th stack item
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SWAP15 = 0x9e, // Exchange 1st and 16th stack item
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SWAP16 = 0x9f, // Exchange 1st and 17th stack item
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LOG0 = 0xa0,
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LOG1,
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LOG2,
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LOG3,
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LOG4,
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// a0s: Logging Operations
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LOG0 = 0xa0, // Append log record with no topics
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LOG1 = 0xa1, // Append log record with 1 topic
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LOG2 = 0xa2, // Append log record with 2 topics
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LOG3 = 0xa3, // Append log record with 3 topics
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LOG4 = 0xa4, // Append log record with 4 topics
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CREATE = 0xf0,
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CALL,
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CALLCODE,
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RETURN,
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DELEGATECALL,
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DESTROY = 0xff
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// f0s: System operations
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CREATE = 0xf0, // Create a new account with associated code
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CALL = 0xf1, // Message-call into an account
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CALLCODE = 0xf2, // Message-call into this account with an alternative account’s code
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RETURN = 0xf3, // Halt execution returning output data
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DELEGATECALL = 0xf4, // Message-call into this account with an alternative account’s code, but persisting the current values for sender and value.
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// STATICCALL = 0xfa, // Static message-call into an account. Exactly equivalent to CALL except: The argument µs is replaced with 0.
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// REVERT = 0xfd, // Halt execution reverting state changes but returning data and remaining gas
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// INVALID = 0xfe, // Designated invalid instruction
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SELFDESTRUCT = 0xff
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};
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} // namespace eevm
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@ -63,7 +63,7 @@ namespace eevm
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const uint64_t gas_limit;
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LogHandler& log_handler;
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std::vector<Address> destroy_list;
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std::vector<Address> selfdestruct_list;
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Transaction(
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const Address origin,
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@ -60,6 +60,8 @@ namespace eevm
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EVM_OPCODE(GASPRICE),
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EVM_OPCODE(EXTCODESIZE),
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EVM_OPCODE(EXTCODECOPY),
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// EVM_OPCODE(RETURNDATASIZE),
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// EVM_OPCODE(RETURNDATACOPY),
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EVM_OPCODE(BLOCKHASH),
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EVM_OPCODE(COINBASE),
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EVM_OPCODE(TIMESTAMP),
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@ -152,5 +154,8 @@ namespace eevm
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EVM_OPCODE(CALLCODE),
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EVM_OPCODE(RETURN),
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EVM_OPCODE(DELEGATECALL),
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EVM_OPCODE(DESTROY)};
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// EVM_OPCODE(STATICCALL),
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// EVM_OPCODE(REVERT),
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// EVM_OPCODE(INVALID),
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EVM_OPCODE(SELFDESTRUCT)};
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} // namespace eevm
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@ -226,7 +226,7 @@ namespace eevm
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stop();
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// clean-up
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for (const auto& addr : tx.destroy_list)
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for (const auto& addr : tx.selfdestruct_list)
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gs.remove(addr);
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return result;
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@ -613,8 +613,8 @@ namespace eevm
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case Opcode::RETURN:
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return_();
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break;
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case Opcode::DESTROY:
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destroy();
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case Opcode::SELFDESTRUCT:
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selfdestruct();
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break;
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case Opcode::CREATE:
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create();
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@ -1213,11 +1213,11 @@ namespace eevm
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hh();
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}
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void destroy()
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void selfdestruct()
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{
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auto recipient = gs.get(pop_addr(ctxt->s));
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ctxt->acc.pay_to(recipient.acc, ctxt->acc.get_balance());
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tx.destroy_list.push_back(ctxt->acc.get_address());
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tx.selfdestruct_list.push_back(ctxt->acc.get_address());
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stop();
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}
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