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Fixing Delegate Call in JIT (#2378) 

* Detecting DELEGATE_CALL in JIT

* Fixing evmjit tests
This commit is contained in:
Tomasz Drwięga 2016-09-28 23:33:12 +02:00 committed by Gav Wood
parent 424b46b428
commit 1c61d7c813
2 changed files with 17 additions and 10 deletions
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14
ethcore/src/evm/jit.rs
View File

@ -196,6 +196,7 @@ impl<'a> evmjit::Ext for ExtAdapter<'a> {
receive_address: *const evmjit::H256,
code_address: *const evmjit::H256,
transfer_value: *const evmjit::I256,
// We are ignoring apparent value - it's handled in externalities.
_apparent_value: *const evmjit::I256,
in_beg: *const u8,
in_size: u64,
@ -208,12 +209,13 @@ impl<'a> evmjit::Ext for ExtAdapter<'a> {
let sender_address = unsafe { Address::from_jit(&*sender_address) };
let receive_address = unsafe { Address::from_jit(&*receive_address) };
let code_address = unsafe { Address::from_jit(&*code_address) };
// TODO Is it always safe in case of DELEGATE_CALL?
let transfer_value = unsafe { U256::from_jit(&*transfer_value) };
let value = Some(transfer_value);
// receive address and code address are the same in normal calls
let is_callcode = receive_address != code_address;
let is_delegatecall = is_callcode && sender_address != receive_address;
let value = if is_delegatecall { None } else { Some(transfer_value) };
if !is_callcode && !self.ext.exists(&code_address) {
gas_cost = gas_cost + U256::from(self.ext.schedule().call_new_account_gas);
@ -242,10 +244,10 @@ impl<'a> evmjit::Ext for ExtAdapter<'a> {
}
}
// TODO [ToDr] Any way to detect DelegateCall?
let call_type = match is_callcode {
true => CallType::CallCode,
false => CallType::Call,
let call_type = match (is_callcode, is_delegatecall) {
(_, true) => CallType::DelegateCall,
(true, false) => CallType::CallCode,
(false, false) => CallType::Call,
};
match self.ext.call(

13
ethcore/src/executive.rs
View File

@ -589,8 +589,11 @@ mod tests {
assert_eq!(substate.contracts_created.len(), 0);
}
evm_test!{test_call_to_create: test_call_to_create_jit, test_call_to_create_int}
fn test_call_to_create(factory: Factory) {
#[test]
// Tracing is not suported in JIT
fn test_call_to_create() {
let factory = Factory::new(VMType::Interpreter);
// code:
//
// 7c 601080600c6000396000f3006000355415600957005b60203560003555 - push 29 bytes?
@ -712,8 +715,10 @@ mod tests {
assert_eq!(vm_tracer.drain().unwrap(), expected_vm_trace);
}
evm_test!{test_create_contract: test_create_contract_jit, test_create_contract_int}
fn test_create_contract(factory: Factory) {
#[test]
fn test_create_contract() {
// Tracing is not supported in JIT
let factory = Factory::new(VMType::Interpreter);
// code:
//
// 60 10 - push 16