74 lines
1.5 KiB
Rust
74 lines
1.5 KiB
Rust
//! Bare rust wrapper around evmjit
|
|
//!
|
|
//! Requires latest version of Ethereum EVM JIT. https://github.com/debris/evmjit
|
|
|
|
extern crate libc;
|
|
use std::ptr;
|
|
|
|
#[repr(C)]
|
|
pub struct JitI256 {
|
|
pub words: [u64; 4]
|
|
}
|
|
|
|
#[repr(C)]
|
|
pub struct JitRuntimeData {
|
|
pub gas: i64,
|
|
pub gas_price: i64,
|
|
pub call_data: *const libc::c_char,
|
|
pub call_data_size: u64,
|
|
pub address: JitI256,
|
|
pub caller: JitI256,
|
|
pub origin: JitI256,
|
|
pub call_value: JitI256,
|
|
pub coinbase: JitI256,
|
|
pub difficulty: JitI256,
|
|
pub gas_limit: JitI256,
|
|
pub number: u64,
|
|
pub timestamp: i64,
|
|
pub code: *const libc::c_char,
|
|
pub code_size: u64,
|
|
pub code_hash: JitI256
|
|
}
|
|
|
|
#[repr(C)]
|
|
#[derive(Debug, Eq, PartialEq)]
|
|
pub enum JitReturnCode {
|
|
Stop = 0,
|
|
Return = 1,
|
|
Suicide = 2,
|
|
|
|
OutOfGas = -1,
|
|
|
|
LLVMError = -101,
|
|
UnexpectedError = -111
|
|
}
|
|
|
|
pub enum JitContext {}
|
|
|
|
#[link(name="evmjit")]
|
|
extern "C" {
|
|
pub fn evmjit_create_runtime_data() -> *mut JitRuntimeData;
|
|
pub fn evmjit_destroy_runtime_data(data: *mut JitRuntimeData);
|
|
|
|
pub fn evmjit_create_context(data: *mut JitRuntimeData, env: u8) -> *mut JitContext;
|
|
pub fn evmjit_destroy_context(context: *mut JitContext);
|
|
|
|
pub fn evmjit_exec(context: *mut JitContext) -> JitReturnCode;
|
|
|
|
}
|
|
|
|
#[test]
|
|
fn it_works() {
|
|
unsafe {
|
|
let data = evmjit_create_runtime_data();
|
|
let context = evmjit_create_context(data, 0);
|
|
|
|
let code = evmjit_exec(context);
|
|
assert_eq!(code, JitReturnCode::Stop);
|
|
|
|
evmjit_destroy_runtime_data(data);
|
|
evmjit_destroy_context(context);
|
|
}
|
|
}
|
|
|