grassrootseconomics/openethereum
5
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

evmjit homestead merge, compiles but tests do not pass yet

Browse Source
This commit is contained in:
debris 2016-02-04 13:13:08 +01:00
parent c5b81270a8
commit 3030b18683
3 changed files with 106 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
ethcore/src/evm/jit.rs
View File

@ -174,28 +174,37 @@ impl<'a> evmjit::Ext for ExtAdapter<'a> {
fn call(&mut self,
io_gas: *mut u64,
call_gas: u64,
sender_address: *const evmjit::H256,
receive_address: *const evmjit::H256,
value: *const evmjit::I256,
code_address: *const evmjit::H256,
transfer_value: *const evmjit::I256,
_apparent_value: *const evmjit::I256,
in_beg: *const u8,
in_size: u64,
out_beg: *mut u8,
out_size: u64,
code_address: *const evmjit::H256) -> bool {
out_size: u64) -> bool {
let mut gas = unsafe { U256::from(*io_gas) };
let mut call_gas = U256::from(call_gas);
let mut gas_cost = call_gas;
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) };
let value = unsafe { U256::from_jit(&*value) };
let transfer_value = unsafe { U256::from_jit(&*transfer_value) };
let mut value = Some(transfer_value);
// receive address and code address are the same in normal calls
let is_callcode = receive_address != code_address;
if !is_callcode {
// it's a delegatecall... fix it better.
value = None;
}
if !is_callcode && !self.ext.exists(&code_address) {
gas_cost = gas_cost + U256::from(self.ext.schedule().call_new_account_gas);
}
if value > U256::zero() {
if transfer_value > U256::zero() {
assert!(self.ext.schedule().call_value_transfer_gas > self.ext.schedule().call_stipend, "overflow possible");
gas_cost = gas_cost + U256::from(self.ext.schedule().call_value_transfer_gas);
call_gas = call_gas + U256::from(self.ext.schedule().call_stipend);
@ -211,7 +220,7 @@ impl<'a> evmjit::Ext for ExtAdapter<'a> {
gas = gas - gas_cost;
// check if balance is sufficient and we are not too deep
if self.ext.balance(&self.address) < value || self.ext.depth() >= self.ext.schedule().max_depth {
if self.ext.balance(&self.address) < transfer_value || self.ext.depth() >= self.ext.schedule().max_depth {
unsafe {
*io_gas = (gas + call_gas).low_u64();
return false;
@ -220,9 +229,9 @@ impl<'a> evmjit::Ext for ExtAdapter<'a> {
match self.ext.call(
&call_gas,
&self.address,
&sender_address,
&receive_address,
Some(value),
value,
unsafe { slice::from_raw_parts(in_beg, in_size as usize) },
&code_address,
unsafe { slice::from_raw_parts_mut(out_beg, out_size as usize) }) {
@ -305,11 +314,20 @@ impl evm::Evm for JitEvm {
data.address = params.address.into_jit();
data.caller = params.sender.into_jit();
data.origin = params.origin.into_jit();
data.call_value = match params.value {
ActionValue::Transfer(val) => val.into_jit(),
ActionValue::Apparent(val) => val.into_jit()
match params.value {
ActionValue::Transfer(val) => {
data.transfer_value = val.into_jit();
data.apparent_value = U256::zero().into_jit();
},
ActionValue::Apparent(val) => {
data.transfer_value = U256::zero().into_jit();
data.apparent_value = val.into_jit();
}
};
let mut schedule = evmjit::ScheduleHandle::new();
schedule.have_delegate_call = ext.schedule().have_delegate_call;
data.author = ext.env_info().author.clone().into_jit();
data.difficulty = ext.env_info().difficulty.into_jit();
data.gas_limit = ext.env_info().gas_limit.into_jit();
@ -317,7 +335,7 @@ impl evm::Evm for JitEvm {
// don't really know why jit timestamp is int..
data.timestamp = ext.env_info().timestamp as i64;
let mut context = unsafe { evmjit::ContextHandle::new(data, &mut ext_handle) };
let mut context = unsafe { evmjit::ContextHandle::new(data, schedule, &mut ext_handle) };
let res = context.exec();
match res {

2
evmjit/Cargo.toml
View File

@ -1,6 +1,6 @@
[package]
name = "evmjit"
version = "0.1.0"
version = "0.9.0"
authors = ["debris <marek.kotewicz@gmail.com>"]
[lib]

101
evmjit/src/lib.rs
View File

@ -45,7 +45,7 @@ pub use self::ffi::JitH256 as H256;
/// Takes care of proper initialization and destruction of `RuntimeData`.
///
/// This handle must be used to create runtime data,
/// cause underneath it's a `C++` structure. Incombatible with rust
/// cause underneath it's a `C++` structure. Incompatible with rust
/// structs.
pub struct RuntimeDataHandle {
runtime_data: *mut JitRuntimeData
@ -58,16 +58,6 @@ impl RuntimeDataHandle {
runtime_data: unsafe { evmjit_create_runtime_data() }
}
}
/// Returns immutable reference to runtime data.
pub fn runtime_data(&self) -> &JitRuntimeData {
unsafe { &*self.runtime_data }
}
/// Returns mutable reference to runtime data.
pub fn mut_runtime_data(&mut self) -> &mut JitRuntimeData {
unsafe { &mut *self.runtime_data }
}
}
impl Drop for RuntimeDataHandle {
@ -80,13 +70,51 @@ impl Deref for RuntimeDataHandle {
type Target = JitRuntimeData;
fn deref(&self) -> &Self::Target {
self.runtime_data()
unsafe { &*self.runtime_data }
}
}
impl DerefMut for RuntimeDataHandle {
fn deref_mut(&mut self) -> &mut Self::Target {
self.mut_runtime_data()
unsafe { &mut *self.runtime_data }
}
}
/// Takes care of proper initilization and destruction of `JitSchedule`.
///
/// This handle must be used to jit schedule,
/// cause underneath it's a `C++` structure. Incompatible with rust
/// structs.
pub struct ScheduleHandle {
schedule: *mut JitSchedule
}
impl ScheduleHandle {
/// Creates new `Schedule` handle.
pub fn new() -> Self {
ScheduleHandle {
schedule: unsafe { evmjit_create_schedule() }
}
}
}
impl Drop for ScheduleHandle {
fn drop(&mut self) {
unsafe { evmjit_destroy_schedule(self.schedule) }
}
}
impl Deref for ScheduleHandle {
type Target = JitSchedule;
fn deref(&self) -> &Self::Target {
unsafe { &*self.schedule }
}
}
impl DerefMut for ScheduleHandle {
fn deref_mut(&mut self) -> &mut Self::Target {
unsafe { &mut *self.schedule }
}
}
@ -98,6 +126,7 @@ impl DerefMut for RuntimeDataHandle {
pub struct ContextHandle {
context: *mut JitContext,
data_handle: RuntimeDataHandle,
schedule_handle: ScheduleHandle
}
impl ContextHandle {
@ -107,19 +136,20 @@ impl ContextHandle {
/// We also can't make ExtHandle a member of `ContextHandle` structure,
/// cause this would be a move operation or it would require a template
/// lifetime to a reference. Both solutions are not possible.
pub unsafe fn new(data_handle: RuntimeDataHandle, ext: &mut ExtHandle) -> Self {
pub unsafe fn new(data_handle: RuntimeDataHandle, schedule_handle: ScheduleHandle, ext: &mut ExtHandle) -> Self {
let mut handle = ContextHandle {
context: std::mem::uninitialized(),
schedule_handle: schedule_handle,
data_handle: data_handle,
};
handle.context = evmjit_create_context(handle.data_handle.mut_runtime_data(), ext);
handle.context = evmjit_create_context(handle.data_handle.deref_mut(), ext);
handle
}
/// Executes context.
pub fn exec(&mut self) -> JitReturnCode {
unsafe { evmjit_exec(self.context) }
unsafe { evmjit_exec(self.context, self.schedule_handle.deref_mut()) }
}
/// Returns output data.
@ -162,13 +192,15 @@ pub trait Ext {
fn call(&mut self,
io_gas: *mut u64,
call_gas: u64,
sender_address: *const JitH256,
receive_address: *const JitH256,
value: *const JitI256,
code_address: *const JitH256,
transfer_value: *const JitI256,
apparent_value: *const JitI256,
in_beg: *const u8,
in_size: u64,
out_beg: *mut u8,
out_size: u64,
code_address: *const JitH256) -> bool;
out_size: u64) -> bool;
fn log(&mut self,
beg: *const u8,
@ -292,7 +324,8 @@ pub mod ffi {
pub address: JitI256,
pub caller: JitI256,
pub origin: JitI256,
pub call_value: JitI256,
pub transfer_value: JitI256,
pub apparent_value: JitI256,
pub author: JitI256,
pub difficulty: JitI256,
pub gas_limit: JitI256,
@ -303,6 +336,13 @@ pub mod ffi {
pub code_hash: JitI256
}
#[repr(C)]
#[derive(Debug)]
/// Configurable properties of git schedule.
pub struct JitSchedule {
pub have_delegate_call: bool
}
#[no_mangle]
pub unsafe extern "C" fn env_sload(ext: *const ExtHandle, index: *const JitI256, out_value: *mut JitI256) {
let ext = &*ext;
@ -342,15 +382,17 @@ pub mod ffi {
pub unsafe extern "C" fn env_call(ext: *mut ExtHandle,
io_gas: *mut u64,
call_gas: u64,
sender_address: *const JitH256,
receive_address: *const JitH256,
value: *const JitI256,
code_address: *const JitH256,
transfer_value: *const JitI256,
apparent_value: *const JitI256,
in_beg: *const u8,
in_size: u64,
out_beg: *mut u8,
out_size: u64,
code_address: *const JitH256) -> bool {
out_size: u64) -> bool {
let ext = &mut *ext;
ext.call(io_gas, call_gas, receive_address, value, in_beg, in_size, out_beg, out_size, code_address)
ext.call(io_gas, call_gas, sender_address, receive_address, code_address, transfer_value, apparent_value, in_beg, in_size, out_beg, out_size)
}
#[no_mangle]
@ -385,10 +427,12 @@ pub mod ffi {
#[link(name="evmjit")]
extern "C" {
pub fn evmjit_create_schedule() -> *mut JitSchedule;
pub fn evmjit_destroy_schedule(schedule: *mut JitSchedule);
pub fn evmjit_create_runtime_data() -> *mut JitRuntimeData;
pub fn evmjit_destroy_runtime_data(data: *mut JitRuntimeData);
pub fn evmjit_destroy_context(context: *mut JitContext);
pub fn evmjit_exec(context: *mut JitContext) -> JitReturnCode;
pub fn evmjit_exec(context: *mut JitContext, schedule: *mut JitSchedule) -> JitReturnCode;
}
// ExtHandle is not a C type, so we need to allow "improper_ctypes"
@ -403,11 +447,13 @@ pub mod ffi {
fn ffi_test() {
unsafe {
let data = evmjit_create_runtime_data();
let schedule = evmjit_create_schedule();
let context = evmjit_create_context(data, &mut ExtHandle::empty());
let code = evmjit_exec(context);
let code = evmjit_exec(context, schedule);
assert_eq!(code, JitReturnCode::Stop);
evmjit_destroy_schedule(schedule);
evmjit_destroy_runtime_data(data);
evmjit_destroy_context(context);
}
@ -416,7 +462,8 @@ fn ffi_test() {
#[test]
fn handle_test() {
unsafe {
let mut context = ContextHandle::new(RuntimeDataHandle::new(), &mut ExtHandle::empty());
let mut ext = ExtHandle::empty();
let mut context = ContextHandle::new(RuntimeDataHandle::new(), ScheduleHandle::new(), &mut ext);
assert_eq!(context.exec(), ReturnCode::Stop);
}
}