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Revert "Fixed mem write for empty slice (#5825)" (#5826)

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This reverts commit 6b874cedb8.
This commit is contained in:
Arkadiy Paronyan 2017-06-12 22:43:20 +02:00 committed by GitHub
parent 6b874cedb8
commit 033a75888c
2 changed files with 140 additions and 154 deletions
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280
ethcore/src/evm/instructions.rs
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@ -138,172 +138,166 @@ pub fn get_tier_idx (tier: GasPriceTier) -> usize {
}
}
/// EVM instruction information.
#[derive(Copy, Clone, Default)]
pub struct InstructionInfo {
/// Mnemonic name.
pub name: &'static str,
/// Additional code bytes used. Used only for PUSHxx.
pub additional: usize,
/// Number of stack arguments.
pub args: usize,
/// Number of returned stack items.
pub ret: usize,
/// Gas price tier.
pub side_effects: bool,
pub tier: GasPriceTier
}
impl InstructionInfo {
/// Create new instruction info.
pub fn new(name: &'static str, additional: usize, args: usize, ret: usize, tier: GasPriceTier) -> Self {
pub fn new(name: &'static str, additional: usize, args: usize, ret: usize, side_effects: bool, tier: GasPriceTier) -> Self {
InstructionInfo {
name: name,
additional: additional,
args: args,
ret: ret,
side_effects: side_effects,
tier: tier
}
}
}
lazy_static! {
/// Static instruction table.
pub static ref INSTRUCTIONS: [InstructionInfo; 0x100] = {
let mut arr = [InstructionInfo::default(); 0x100];
arr[STOP as usize] = InstructionInfo::new("STOP", 0, 0, 0, GasPriceTier::Zero);
arr[ADD as usize] = InstructionInfo::new("ADD", 0, 2, 1, GasPriceTier::VeryLow);
arr[SUB as usize] = InstructionInfo::new("SUB", 0, 2, 1, GasPriceTier::VeryLow);
arr[MUL as usize] = InstructionInfo::new("MUL", 0, 2, 1, GasPriceTier::Low);
arr[DIV as usize] = InstructionInfo::new("DIV", 0, 2, 1, GasPriceTier::Low);
arr[SDIV as usize] = InstructionInfo::new("SDIV", 0, 2, 1, GasPriceTier::Low);
arr[MOD as usize] = InstructionInfo::new("MOD", 0, 2, 1, GasPriceTier::Low);
arr[SMOD as usize] = InstructionInfo::new("SMOD", 0, 2, 1, GasPriceTier::Low);
arr[EXP as usize] = InstructionInfo::new("EXP", 0, 2, 1, GasPriceTier::Special);
arr[NOT as usize] = InstructionInfo::new("NOT", 0, 1, 1, GasPriceTier::VeryLow);
arr[LT as usize] = InstructionInfo::new("LT", 0, 2, 1, GasPriceTier::VeryLow);
arr[GT as usize] = InstructionInfo::new("GT", 0, 2, 1, GasPriceTier::VeryLow);
arr[SLT as usize] = InstructionInfo::new("SLT", 0, 2, 1, GasPriceTier::VeryLow);
arr[SGT as usize] = InstructionInfo::new("SGT", 0, 2, 1, GasPriceTier::VeryLow);
arr[EQ as usize] = InstructionInfo::new("EQ", 0, 2, 1, GasPriceTier::VeryLow);
arr[ISZERO as usize] = InstructionInfo::new("ISZERO", 0, 1, 1, GasPriceTier::VeryLow);
arr[AND as usize] = InstructionInfo::new("AND", 0, 2, 1, GasPriceTier::VeryLow);
arr[OR as usize] = InstructionInfo::new("OR", 0, 2, 1, GasPriceTier::VeryLow);
arr[XOR as usize] = InstructionInfo::new("XOR", 0, 2, 1, GasPriceTier::VeryLow);
arr[BYTE as usize] = InstructionInfo::new("BYTE", 0, 2, 1, GasPriceTier::VeryLow);
arr[ADDMOD as usize] = InstructionInfo::new("ADDMOD", 0, 3, 1, GasPriceTier::Mid);
arr[MULMOD as usize] = InstructionInfo::new("MULMOD", 0, 3, 1, GasPriceTier::Mid);
arr[SIGNEXTEND as usize] = InstructionInfo::new("SIGNEXTEND", 0, 2, 1, GasPriceTier::Low);
arr[RETURNDATASIZE as usize] = InstructionInfo::new("RETURNDATASIZE", 0, 0, 1, GasPriceTier::Base);
arr[RETURNDATACOPY as usize] = InstructionInfo::new("RETURNDATACOPY", 0, 3, 0, GasPriceTier::VeryLow);
arr[SHA3 as usize] = InstructionInfo::new("SHA3", 0, 2, 1, GasPriceTier::Special);
arr[ADDRESS as usize] = InstructionInfo::new("ADDRESS", 0, 0, 1, GasPriceTier::Base);
arr[BALANCE as usize] = InstructionInfo::new("BALANCE", 0, 1, 1, GasPriceTier::Special);
arr[ORIGIN as usize] = InstructionInfo::new("ORIGIN", 0, 0, 1, GasPriceTier::Base);
arr[CALLER as usize] = InstructionInfo::new("CALLER", 0, 0, 1, GasPriceTier::Base);
arr[CALLVALUE as usize] = InstructionInfo::new("CALLVALUE", 0, 0, 1, GasPriceTier::Base);
arr[CALLDATALOAD as usize] = InstructionInfo::new("CALLDATALOAD", 0, 1, 1, GasPriceTier::VeryLow);
arr[CALLDATASIZE as usize] = InstructionInfo::new("CALLDATASIZE", 0, 0, 1, GasPriceTier::Base);
arr[CALLDATACOPY as usize] = InstructionInfo::new("CALLDATACOPY", 0, 3, 0, GasPriceTier::VeryLow);
arr[CODESIZE as usize] = InstructionInfo::new("CODESIZE", 0, 0, 1, GasPriceTier::Base);
arr[CODECOPY as usize] = InstructionInfo::new("CODECOPY", 0, 3, 0, GasPriceTier::VeryLow);
arr[GASPRICE as usize] = InstructionInfo::new("GASPRICE", 0, 0, 1, GasPriceTier::Base);
arr[EXTCODESIZE as usize] = InstructionInfo::new("EXTCODESIZE", 0, 1, 1, GasPriceTier::Special);
arr[EXTCODECOPY as usize] = InstructionInfo::new("EXTCODECOPY", 0, 4, 0, GasPriceTier::Special);
arr[BLOCKHASH as usize] = InstructionInfo::new("BLOCKHASH", 0, 1, 1, GasPriceTier::Ext);
arr[COINBASE as usize] = InstructionInfo::new("COINBASE", 0, 0, 1, GasPriceTier::Base);
arr[TIMESTAMP as usize] = InstructionInfo::new("TIMESTAMP", 0, 0, 1, GasPriceTier::Base);
arr[NUMBER as usize] = InstructionInfo::new("NUMBER", 0, 0, 1, GasPriceTier::Base);
arr[DIFFICULTY as usize] = InstructionInfo::new("DIFFICULTY", 0, 0, 1, GasPriceTier::Base);
arr[GASLIMIT as usize] = InstructionInfo::new("GASLIMIT", 0, 0, 1, GasPriceTier::Base);
arr[POP as usize] = InstructionInfo::new("POP", 0, 1, 0, GasPriceTier::Base);
arr[MLOAD as usize] = InstructionInfo::new("MLOAD", 0, 1, 1, GasPriceTier::VeryLow);
arr[MSTORE as usize] = InstructionInfo::new("MSTORE", 0, 2, 0, GasPriceTier::VeryLow);
arr[MSTORE8 as usize] = InstructionInfo::new("MSTORE8", 0, 2, 0, GasPriceTier::VeryLow);
arr[SLOAD as usize] = InstructionInfo::new("SLOAD", 0, 1, 1, GasPriceTier::Special);
arr[SSTORE as usize] = InstructionInfo::new("SSTORE", 0, 2, 0, GasPriceTier::Special);
arr[JUMP as usize] = InstructionInfo::new("JUMP", 0, 1, 0, GasPriceTier::Mid);
arr[JUMPI as usize] = InstructionInfo::new("JUMPI", 0, 2, 0, GasPriceTier::High);
arr[PC as usize] = InstructionInfo::new("PC", 0, 0, 1, GasPriceTier::Base);
arr[MSIZE as usize] = InstructionInfo::new("MSIZE", 0, 0, 1, GasPriceTier::Base);
arr[GAS as usize] = InstructionInfo::new("GAS", 0, 0, 1, GasPriceTier::Base);
arr[JUMPDEST as usize] = InstructionInfo::new("JUMPDEST", 0, 0, 0, GasPriceTier::Special);
arr[PUSH1 as usize] = InstructionInfo::new("PUSH1", 1, 0, 1, GasPriceTier::VeryLow);
arr[PUSH2 as usize] = InstructionInfo::new("PUSH2", 2, 0, 1, GasPriceTier::VeryLow);
arr[PUSH3 as usize] = InstructionInfo::new("PUSH3", 3, 0, 1, GasPriceTier::VeryLow);
arr[PUSH4 as usize] = InstructionInfo::new("PUSH4", 4, 0, 1, GasPriceTier::VeryLow);
arr[PUSH5 as usize] = InstructionInfo::new("PUSH5", 5, 0, 1, GasPriceTier::VeryLow);
arr[PUSH6 as usize] = InstructionInfo::new("PUSH6", 6, 0, 1, GasPriceTier::VeryLow);
arr[PUSH7 as usize] = InstructionInfo::new("PUSH7", 7, 0, 1, GasPriceTier::VeryLow);
arr[PUSH8 as usize] = InstructionInfo::new("PUSH8", 8, 0, 1, GasPriceTier::VeryLow);
arr[PUSH9 as usize] = InstructionInfo::new("PUSH9", 9, 0, 1, GasPriceTier::VeryLow);
arr[PUSH10 as usize] = InstructionInfo::new("PUSH10", 10, 0, 1, GasPriceTier::VeryLow);
arr[PUSH11 as usize] = InstructionInfo::new("PUSH11", 11, 0, 1, GasPriceTier::VeryLow);
arr[PUSH12 as usize] = InstructionInfo::new("PUSH12", 12, 0, 1, GasPriceTier::VeryLow);
arr[PUSH13 as usize] = InstructionInfo::new("PUSH13", 13, 0, 1, GasPriceTier::VeryLow);
arr[PUSH14 as usize] = InstructionInfo::new("PUSH14", 14, 0, 1, GasPriceTier::VeryLow);
arr[PUSH15 as usize] = InstructionInfo::new("PUSH15", 15, 0, 1, GasPriceTier::VeryLow);
arr[PUSH16 as usize] = InstructionInfo::new("PUSH16", 16, 0, 1, GasPriceTier::VeryLow);
arr[PUSH17 as usize] = InstructionInfo::new("PUSH17", 17, 0, 1, GasPriceTier::VeryLow);
arr[PUSH18 as usize] = InstructionInfo::new("PUSH18", 18, 0, 1, GasPriceTier::VeryLow);
arr[PUSH19 as usize] = InstructionInfo::new("PUSH19", 19, 0, 1, GasPriceTier::VeryLow);
arr[PUSH20 as usize] = InstructionInfo::new("PUSH20", 20, 0, 1, GasPriceTier::VeryLow);
arr[PUSH21 as usize] = InstructionInfo::new("PUSH21", 21, 0, 1, GasPriceTier::VeryLow);
arr[PUSH22 as usize] = InstructionInfo::new("PUSH22", 22, 0, 1, GasPriceTier::VeryLow);
arr[PUSH23 as usize] = InstructionInfo::new("PUSH23", 23, 0, 1, GasPriceTier::VeryLow);
arr[PUSH24 as usize] = InstructionInfo::new("PUSH24", 24, 0, 1, GasPriceTier::VeryLow);
arr[PUSH25 as usize] = InstructionInfo::new("PUSH25", 25, 0, 1, GasPriceTier::VeryLow);
arr[PUSH26 as usize] = InstructionInfo::new("PUSH26", 26, 0, 1, GasPriceTier::VeryLow);
arr[PUSH27 as usize] = InstructionInfo::new("PUSH27", 27, 0, 1, GasPriceTier::VeryLow);
arr[PUSH28 as usize] = InstructionInfo::new("PUSH28", 28, 0, 1, GasPriceTier::VeryLow);
arr[PUSH29 as usize] = InstructionInfo::new("PUSH29", 29, 0, 1, GasPriceTier::VeryLow);
arr[PUSH30 as usize] = InstructionInfo::new("PUSH30", 30, 0, 1, GasPriceTier::VeryLow);
arr[PUSH31 as usize] = InstructionInfo::new("PUSH31", 31, 0, 1, GasPriceTier::VeryLow);
arr[PUSH32 as usize] = InstructionInfo::new("PUSH32", 32, 0, 1, GasPriceTier::VeryLow);
arr[DUP1 as usize] = InstructionInfo::new("DUP1", 0, 1, 2, GasPriceTier::VeryLow);
arr[DUP2 as usize] = InstructionInfo::new("DUP2", 0, 2, 3, GasPriceTier::VeryLow);
arr[DUP3 as usize] = InstructionInfo::new("DUP3", 0, 3, 4, GasPriceTier::VeryLow);
arr[DUP4 as usize] = InstructionInfo::new("DUP4", 0, 4, 5, GasPriceTier::VeryLow);
arr[DUP5 as usize] = InstructionInfo::new("DUP5", 0, 5, 6, GasPriceTier::VeryLow);
arr[DUP6 as usize] = InstructionInfo::new("DUP6", 0, 6, 7, GasPriceTier::VeryLow);
arr[DUP7 as usize] = InstructionInfo::new("DUP7", 0, 7, 8, GasPriceTier::VeryLow);
arr[DUP8 as usize] = InstructionInfo::new("DUP8", 0, 8, 9, GasPriceTier::VeryLow);
arr[DUP9 as usize] = InstructionInfo::new("DUP9", 0, 9, 10, GasPriceTier::VeryLow);
arr[DUP10 as usize] = InstructionInfo::new("DUP10", 0, 10, 11, GasPriceTier::VeryLow);
arr[DUP11 as usize] = InstructionInfo::new("DUP11", 0, 11, 12, GasPriceTier::VeryLow);
arr[DUP12 as usize] = InstructionInfo::new("DUP12", 0, 12, 13, GasPriceTier::VeryLow);
arr[DUP13 as usize] = InstructionInfo::new("DUP13", 0, 13, 14, GasPriceTier::VeryLow);
arr[DUP14 as usize] = InstructionInfo::new("DUP14", 0, 14, 15, GasPriceTier::VeryLow);
arr[DUP15 as usize] = InstructionInfo::new("DUP15", 0, 15, 16, GasPriceTier::VeryLow);
arr[DUP16 as usize] = InstructionInfo::new("DUP16", 0, 16, 17, GasPriceTier::VeryLow);
arr[SWAP1 as usize] = InstructionInfo::new("SWAP1", 0, 2, 2, GasPriceTier::VeryLow);
arr[SWAP2 as usize] = InstructionInfo::new("SWAP2", 0, 3, 3, GasPriceTier::VeryLow);
arr[SWAP3 as usize] = InstructionInfo::new("SWAP3", 0, 4, 4, GasPriceTier::VeryLow);
arr[SWAP4 as usize] = InstructionInfo::new("SWAP4", 0, 5, 5, GasPriceTier::VeryLow);
arr[SWAP5 as usize] = InstructionInfo::new("SWAP5", 0, 6, 6, GasPriceTier::VeryLow);
arr[SWAP6 as usize] = InstructionInfo::new("SWAP6", 0, 7, 7, GasPriceTier::VeryLow);
arr[SWAP7 as usize] = InstructionInfo::new("SWAP7", 0, 8, 8, GasPriceTier::VeryLow);
arr[SWAP8 as usize] = InstructionInfo::new("SWAP8", 0, 9, 9, GasPriceTier::VeryLow);
arr[SWAP9 as usize] = InstructionInfo::new("SWAP9", 0, 10, 10, GasPriceTier::VeryLow);
arr[SWAP10 as usize] = InstructionInfo::new("SWAP10", 0, 11, 11, GasPriceTier::VeryLow);
arr[SWAP11 as usize] = InstructionInfo::new("SWAP11", 0, 12, 12, GasPriceTier::VeryLow);
arr[SWAP12 as usize] = InstructionInfo::new("SWAP12", 0, 13, 13, GasPriceTier::VeryLow);
arr[SWAP13 as usize] = InstructionInfo::new("SWAP13", 0, 14, 14, GasPriceTier::VeryLow);
arr[SWAP14 as usize] = InstructionInfo::new("SWAP14", 0, 15, 15, GasPriceTier::VeryLow);
arr[SWAP15 as usize] = InstructionInfo::new("SWAP15", 0, 16, 16, GasPriceTier::VeryLow);
arr[SWAP16 as usize] = InstructionInfo::new("SWAP16", 0, 17, 17, GasPriceTier::VeryLow);
arr[LOG0 as usize] = InstructionInfo::new("LOG0", 0, 2, 0, GasPriceTier::Special);
arr[LOG1 as usize] = InstructionInfo::new("LOG1", 0, 3, 0, GasPriceTier::Special);
arr[LOG2 as usize] = InstructionInfo::new("LOG2", 0, 4, 0, GasPriceTier::Special);
arr[LOG3 as usize] = InstructionInfo::new("LOG3", 0, 5, 0, GasPriceTier::Special);
arr[LOG4 as usize] = InstructionInfo::new("LOG4", 0, 6, 0, GasPriceTier::Special);
arr[CREATE as usize] = InstructionInfo::new("CREATE", 0, 3, 1, GasPriceTier::Special);
arr[CALL as usize] = InstructionInfo::new("CALL", 0, 7, 1, GasPriceTier::Special);
arr[CALLCODE as usize] = InstructionInfo::new("CALLCODE", 0, 7, 1, GasPriceTier::Special);
arr[RETURN as usize] = InstructionInfo::new("RETURN", 0, 2, 0, GasPriceTier::Zero);
arr[DELEGATECALL as usize] = InstructionInfo::new("DELEGATECALL", 0, 6, 1, GasPriceTier::Special);
arr[SUICIDE as usize] = InstructionInfo::new("SUICIDE", 0, 1, 0, GasPriceTier::Special);
arr[CREATE2 as usize] = InstructionInfo::new("CREATE2", 0, 3, 1, GasPriceTier::Special);
arr[REVERT as usize] = InstructionInfo::new("REVERT", 0, 2, 0, GasPriceTier::Zero);
arr[STOP as usize] = InstructionInfo::new("STOP", 0, 0, 0, true, GasPriceTier::Zero);
arr[ADD as usize] = InstructionInfo::new("ADD", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[SUB as usize] = InstructionInfo::new("SUB", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[MUL as usize] = InstructionInfo::new("MUL", 0, 2, 1, false, GasPriceTier::Low);
arr[DIV as usize] = InstructionInfo::new("DIV", 0, 2, 1, false, GasPriceTier::Low);
arr[SDIV as usize] = InstructionInfo::new("SDIV", 0, 2, 1, false, GasPriceTier::Low);
arr[MOD as usize] = InstructionInfo::new("MOD", 0, 2, 1, false, GasPriceTier::Low);
arr[SMOD as usize] = InstructionInfo::new("SMOD", 0, 2, 1, false, GasPriceTier::Low);
arr[EXP as usize] = InstructionInfo::new("EXP", 0, 2, 1, false, GasPriceTier::Special);
arr[NOT as usize] = InstructionInfo::new("NOT", 0, 1, 1, false, GasPriceTier::VeryLow);
arr[LT as usize] = InstructionInfo::new("LT", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[GT as usize] = InstructionInfo::new("GT", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[SLT as usize] = InstructionInfo::new("SLT", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[SGT as usize] = InstructionInfo::new("SGT", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[EQ as usize] = InstructionInfo::new("EQ", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[ISZERO as usize] = InstructionInfo::new("ISZERO", 0, 1, 1, false, GasPriceTier::VeryLow);
arr[AND as usize] = InstructionInfo::new("AND", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[OR as usize] = InstructionInfo::new("OR", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[XOR as usize] = InstructionInfo::new("XOR", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[BYTE as usize] = InstructionInfo::new("BYTE", 0, 2, 1, false, GasPriceTier::VeryLow);
arr[ADDMOD as usize] = InstructionInfo::new("ADDMOD", 0, 3, 1, false, GasPriceTier::Mid);
arr[MULMOD as usize] = InstructionInfo::new("MULMOD", 0, 3, 1, false, GasPriceTier::Mid);
arr[SIGNEXTEND as usize] = InstructionInfo::new("SIGNEXTEND", 0, 2, 1, false, GasPriceTier::Low);
arr[RETURNDATASIZE as usize] = InstructionInfo::new("RETURNDATASIZE", 0, 0, 1, false, GasPriceTier::Base);
arr[RETURNDATACOPY as usize] = InstructionInfo::new("RETURNDATACOPY", 0, 3, 0, true, GasPriceTier::VeryLow);
arr[SHA3 as usize] = InstructionInfo::new("SHA3", 0, 2, 1, false, GasPriceTier::Special);
arr[ADDRESS as usize] = InstructionInfo::new("ADDRESS", 0, 0, 1, false, GasPriceTier::Base);
arr[BALANCE as usize] = InstructionInfo::new("BALANCE", 0, 1, 1, false, GasPriceTier::Special);
arr[ORIGIN as usize] = InstructionInfo::new("ORIGIN", 0, 0, 1, false, GasPriceTier::Base);
arr[CALLER as usize] = InstructionInfo::new("CALLER", 0, 0, 1, false, GasPriceTier::Base);
arr[CALLVALUE as usize] = InstructionInfo::new("CALLVALUE", 0, 0, 1, false, GasPriceTier::Base);
arr[CALLDATALOAD as usize] = InstructionInfo::new("CALLDATALOAD", 0, 1, 1, false, GasPriceTier::VeryLow);
arr[CALLDATASIZE as usize] = InstructionInfo::new("CALLDATASIZE", 0, 0, 1, false, GasPriceTier::Base);
arr[CALLDATACOPY as usize] = InstructionInfo::new("CALLDATACOPY", 0, 3, 0, true, GasPriceTier::VeryLow);
arr[CODESIZE as usize] = InstructionInfo::new("CODESIZE", 0, 0, 1, false, GasPriceTier::Base);
arr[CODECOPY as usize] = InstructionInfo::new("CODECOPY", 0, 3, 0, true, GasPriceTier::VeryLow);
arr[GASPRICE as usize] = InstructionInfo::new("GASPRICE", 0, 0, 1, false, GasPriceTier::Base);
arr[EXTCODESIZE as usize] = InstructionInfo::new("EXTCODESIZE", 0, 1, 1, false, GasPriceTier::Special);
arr[EXTCODECOPY as usize] = InstructionInfo::new("EXTCODECOPY", 0, 4, 0, true, GasPriceTier::Special);
arr[BLOCKHASH as usize] = InstructionInfo::new("BLOCKHASH", 0, 1, 1, false, GasPriceTier::Ext);
arr[COINBASE as usize] = InstructionInfo::new("COINBASE", 0, 0, 1, false, GasPriceTier::Base);
arr[TIMESTAMP as usize] = InstructionInfo::new("TIMESTAMP", 0, 0, 1, false, GasPriceTier::Base);
arr[NUMBER as usize] = InstructionInfo::new("NUMBER", 0, 0, 1, false, GasPriceTier::Base);
arr[DIFFICULTY as usize] = InstructionInfo::new("DIFFICULTY", 0, 0, 1, false, GasPriceTier::Base);
arr[GASLIMIT as usize] = InstructionInfo::new("GASLIMIT", 0, 0, 1, false, GasPriceTier::Base);
arr[POP as usize] = InstructionInfo::new("POP", 0, 1, 0, false, GasPriceTier::Base);
arr[MLOAD as usize] = InstructionInfo::new("MLOAD", 0, 1, 1, false, GasPriceTier::VeryLow);
arr[MSTORE as usize] = InstructionInfo::new("MSTORE", 0, 2, 0, true, GasPriceTier::VeryLow);
arr[MSTORE8 as usize] = InstructionInfo::new("MSTORE8", 0, 2, 0, true, GasPriceTier::VeryLow);
arr[SLOAD as usize] = InstructionInfo::new("SLOAD", 0, 1, 1, false, GasPriceTier::Special);
arr[SSTORE as usize] = InstructionInfo::new("SSTORE", 0, 2, 0, true, GasPriceTier::Special);
arr[JUMP as usize] = InstructionInfo::new("JUMP", 0, 1, 0, true, GasPriceTier::Mid);
arr[JUMPI as usize] = InstructionInfo::new("JUMPI", 0, 2, 0, true, GasPriceTier::High);
arr[PC as usize] = InstructionInfo::new("PC", 0, 0, 1, false, GasPriceTier::Base);
arr[MSIZE as usize] = InstructionInfo::new("MSIZE", 0, 0, 1, false, GasPriceTier::Base);
arr[GAS as usize] = InstructionInfo::new("GAS", 0, 0, 1, false, GasPriceTier::Base);
arr[JUMPDEST as usize] = InstructionInfo::new("JUMPDEST", 0, 0, 0, true, GasPriceTier::Special);
arr[PUSH1 as usize] = InstructionInfo::new("PUSH1", 1, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH2 as usize] = InstructionInfo::new("PUSH2", 2, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH3 as usize] = InstructionInfo::new("PUSH3", 3, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH4 as usize] = InstructionInfo::new("PUSH4", 4, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH5 as usize] = InstructionInfo::new("PUSH5", 5, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH6 as usize] = InstructionInfo::new("PUSH6", 6, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH7 as usize] = InstructionInfo::new("PUSH7", 7, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH8 as usize] = InstructionInfo::new("PUSH8", 8, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH9 as usize] = InstructionInfo::new("PUSH9", 9, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH10 as usize] = InstructionInfo::new("PUSH10", 10, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH11 as usize] = InstructionInfo::new("PUSH11", 11, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH12 as usize] = InstructionInfo::new("PUSH12", 12, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH13 as usize] = InstructionInfo::new("PUSH13", 13, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH14 as usize] = InstructionInfo::new("PUSH14", 14, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH15 as usize] = InstructionInfo::new("PUSH15", 15, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH16 as usize] = InstructionInfo::new("PUSH16", 16, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH17 as usize] = InstructionInfo::new("PUSH17", 17, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH18 as usize] = InstructionInfo::new("PUSH18", 18, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH19 as usize] = InstructionInfo::new("PUSH19", 19, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH20 as usize] = InstructionInfo::new("PUSH20", 20, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH21 as usize] = InstructionInfo::new("PUSH21", 21, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH22 as usize] = InstructionInfo::new("PUSH22", 22, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH23 as usize] = InstructionInfo::new("PUSH23", 23, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH24 as usize] = InstructionInfo::new("PUSH24", 24, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH25 as usize] = InstructionInfo::new("PUSH25", 25, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH26 as usize] = InstructionInfo::new("PUSH26", 26, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH27 as usize] = InstructionInfo::new("PUSH27", 27, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH28 as usize] = InstructionInfo::new("PUSH28", 28, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH29 as usize] = InstructionInfo::new("PUSH29", 29, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH30 as usize] = InstructionInfo::new("PUSH30", 30, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH31 as usize] = InstructionInfo::new("PUSH31", 31, 0, 1, false, GasPriceTier::VeryLow);
arr[PUSH32 as usize] = InstructionInfo::new("PUSH32", 32, 0, 1, false, GasPriceTier::VeryLow);
arr[DUP1 as usize] = InstructionInfo::new("DUP1", 0, 1, 2, false, GasPriceTier::VeryLow);
arr[DUP2 as usize] = InstructionInfo::new("DUP2", 0, 2, 3, false, GasPriceTier::VeryLow);
arr[DUP3 as usize] = InstructionInfo::new("DUP3", 0, 3, 4, false, GasPriceTier::VeryLow);
arr[DUP4 as usize] = InstructionInfo::new("DUP4", 0, 4, 5, false, GasPriceTier::VeryLow);
arr[DUP5 as usize] = InstructionInfo::new("DUP5", 0, 5, 6, false, GasPriceTier::VeryLow);
arr[DUP6 as usize] = InstructionInfo::new("DUP6", 0, 6, 7, false, GasPriceTier::VeryLow);
arr[DUP7 as usize] = InstructionInfo::new("DUP7", 0, 7, 8, false, GasPriceTier::VeryLow);
arr[DUP8 as usize] = InstructionInfo::new("DUP8", 0, 8, 9, false, GasPriceTier::VeryLow);
arr[DUP9 as usize] = InstructionInfo::new("DUP9", 0, 9, 10, false, GasPriceTier::VeryLow);
arr[DUP10 as usize] = InstructionInfo::new("DUP10", 0, 10, 11, false, GasPriceTier::VeryLow);
arr[DUP11 as usize] = InstructionInfo::new("DUP11", 0, 11, 12, false, GasPriceTier::VeryLow);
arr[DUP12 as usize] = InstructionInfo::new("DUP12", 0, 12, 13, false, GasPriceTier::VeryLow);
arr[DUP13 as usize] = InstructionInfo::new("DUP13", 0, 13, 14, false, GasPriceTier::VeryLow);
arr[DUP14 as usize] = InstructionInfo::new("DUP14", 0, 14, 15, false, GasPriceTier::VeryLow);
arr[DUP15 as usize] = InstructionInfo::new("DUP15", 0, 15, 16, false, GasPriceTier::VeryLow);
arr[DUP16 as usize] = InstructionInfo::new("DUP16", 0, 16, 17, false, GasPriceTier::VeryLow);
arr[SWAP1 as usize] = InstructionInfo::new("SWAP1", 0, 2, 2, false, GasPriceTier::VeryLow);
arr[SWAP2 as usize] = InstructionInfo::new("SWAP2", 0, 3, 3, false, GasPriceTier::VeryLow);
arr[SWAP3 as usize] = InstructionInfo::new("SWAP3", 0, 4, 4, false, GasPriceTier::VeryLow);
arr[SWAP4 as usize] = InstructionInfo::new("SWAP4", 0, 5, 5, false, GasPriceTier::VeryLow);
arr[SWAP5 as usize] = InstructionInfo::new("SWAP5", 0, 6, 6, false, GasPriceTier::VeryLow);
arr[SWAP6 as usize] = InstructionInfo::new("SWAP6", 0, 7, 7, false, GasPriceTier::VeryLow);
arr[SWAP7 as usize] = InstructionInfo::new("SWAP7", 0, 8, 8, false, GasPriceTier::VeryLow);
arr[SWAP8 as usize] = InstructionInfo::new("SWAP8", 0, 9, 9, false, GasPriceTier::VeryLow);
arr[SWAP9 as usize] = InstructionInfo::new("SWAP9", 0, 10, 10, false, GasPriceTier::VeryLow);
arr[SWAP10 as usize] = InstructionInfo::new("SWAP10", 0, 11, 11, false, GasPriceTier::VeryLow);
arr[SWAP11 as usize] = InstructionInfo::new("SWAP11", 0, 12, 12, false, GasPriceTier::VeryLow);
arr[SWAP12 as usize] = InstructionInfo::new("SWAP12", 0, 13, 13, false, GasPriceTier::VeryLow);
arr[SWAP13 as usize] = InstructionInfo::new("SWAP13", 0, 14, 14, false, GasPriceTier::VeryLow);
arr[SWAP14 as usize] = InstructionInfo::new("SWAP14", 0, 15, 15, false, GasPriceTier::VeryLow);
arr[SWAP15 as usize] = InstructionInfo::new("SWAP15", 0, 16, 16, false, GasPriceTier::VeryLow);
arr[SWAP16 as usize] = InstructionInfo::new("SWAP16", 0, 17, 17, false, GasPriceTier::VeryLow);
arr[LOG0 as usize] = InstructionInfo::new("LOG0", 0, 2, 0, true, GasPriceTier::Special);
arr[LOG1 as usize] = InstructionInfo::new("LOG1", 0, 3, 0, true, GasPriceTier::Special);
arr[LOG2 as usize] = InstructionInfo::new("LOG2", 0, 4, 0, true, GasPriceTier::Special);
arr[LOG3 as usize] = InstructionInfo::new("LOG3", 0, 5, 0, true, GasPriceTier::Special);
arr[LOG4 as usize] = InstructionInfo::new("LOG4", 0, 6, 0, true, GasPriceTier::Special);
arr[CREATE as usize] = InstructionInfo::new("CREATE", 0, 3, 1, true, GasPriceTier::Special);
arr[CALL as usize] = InstructionInfo::new("CALL", 0, 7, 1, true, GasPriceTier::Special);
arr[CALLCODE as usize] = InstructionInfo::new("CALLCODE", 0, 7, 1, true, GasPriceTier::Special);
arr[RETURN as usize] = InstructionInfo::new("RETURN", 0, 2, 0, true, GasPriceTier::Zero);
arr[DELEGATECALL as usize] = InstructionInfo::new("DELEGATECALL", 0, 6, 1, true, GasPriceTier::Special);
arr[SUICIDE as usize] = InstructionInfo::new("SUICIDE", 0, 1, 0, true, GasPriceTier::Special);
arr[CREATE2 as usize] = InstructionInfo::new("CREATE2", 0, 3, 1, true, GasPriceTier::Special);
arr[REVERT as usize] = InstructionInfo::new("REVERT", 0, 2, 0, true, GasPriceTier::Zero);
arr
};
}

10
ethcore/src/evm/interpreter/memory.rs
View File

@ -89,11 +89,10 @@ impl Memory for Vec<u8> {
}
fn write_slice(&mut self, offset: U256, slice: &[u8]) {
if !slice.is_empty() {
let off = offset.low_u64() as usize;
self[off..off+slice.len()].copy_from_slice(slice);
}
}
fn write(&mut self, offset: U256, value: U256) {
let off = offset.low_u64() as usize;
@ -184,12 +183,5 @@ mod tests {
assert_eq!(mem.read_slice(U256::from(0), U256::from(7)), "a67890g".as_bytes());
}
// write empty slice out of bounds
{
let slice = [];
mem.write_slice(U256::from(0x1000), &slice);
assert_eq!(mem.size(), 32);
}
}
}