Runtime data and storage support callback functions

.gitignore

@@ -10,3 +10,5 @@
 .DS_Store
 */**/.DS_Store
 .ethtest
+*.project
+/.settings/

vm/vm_jit.go

@@ -16,17 +16,104 @@ import "reflect"
 
 type JitVm struct {
 	env Environment
+	myAddress []byte
 	backup *DebugVm
 }
 
+type i256 [32]byte
+
+const (
+		Gas = iota
+		address
+		Caller
+		Origin
+		CallValue
+		CallDataSize
+		GasPrice
+		CoinBase
+		TimeStamp
+		Number
+		Difficulty
+		GasLimit
+		CodeSize
+
+		_size
+
+		ReturnDataOffset = CallValue	// Reuse 2 fields for return data reference
+		ReturnDataSize = CallDataSize
+		SuicideDestAddress = address	///< Suicide balance destination address
+)
+
+type RuntimeData struct {
+	elems [_size]i256
+	callData *byte
+	code *byte
+}
+
+func hash2llvm(h []byte) i256 {
+	var m i256
+	copy(m[len(m) - len(h):], h)  // right aligned copy
+	return m
+}
+
+func llvm2hash(m *i256) []byte {
+	hdr := reflect.SliceHeader{
+		Data: uintptr(unsafe.Pointer(m)),
+		Len:  int(len(m)),
+		Cap:  int(len(m)),
+	}
+	return *(*[]byte)(unsafe.Pointer(&hdr))
+}
+
+func big2llvm(n *big.Int) i256 {
+	m := hash2llvm(n.Bytes())
+	for i, l := 0, len(m); i < l / 2; i++ {
+		m[i], m[l - i - 1] = m[l - i - 1], m[i] 
+	} 
+	
+	return m
+}
+
+func llvm2big(m *i256) *big.Int {
+	n := big.NewInt(0)
+	for i := 0; i < len(m); i++ {
+		b := big.NewInt(int64(m[i]))
+		b.Lsh(b, uint(i) * 8)
+		n.Add(n, b)
+	}
+	return n
+}
+
 func NewJitVm(env Environment) *JitVm {
 	backupVm := NewDebugVm(env)
 	return &JitVm{env: env, backup: backupVm}
 }
 
 func (self *JitVm) Run(me, caller ContextRef, code []byte, value, gas, price *big.Int, callData []byte) (ret []byte, err error) {
-	r := C.evmjit_run();
-	fmt.Printf("JIT result: %d", r);
+	self.myAddress = me.Address()
+	
+	var data RuntimeData
+	data.elems[Gas] = big2llvm(gas)
+	data.elems[address] = hash2llvm(self.myAddress)
+	data.elems[Caller] = hash2llvm(caller.Address())
+	data.elems[Origin] = hash2llvm(self.env.Origin())
+	data.elems[CallValue] = big2llvm(value)
+	data.elems[CallDataSize] = big2llvm(big.NewInt(int64(len(callData)))) // TODO: Keep call data size as i64
+	data.elems[CoinBase] = hash2llvm(self.env.Coinbase())
+	data.elems[TimeStamp] = big2llvm(big.NewInt(self.env.Time())) // TODO: Keep timestamp as i64
+	data.elems[Number] = big2llvm(self.env.BlockNumber())
+	data.elems[Difficulty] = big2llvm(self.env.Difficulty())
+	data.elems[GasLimit] = big2llvm(self.env.GasLimit())
+	data.elems[CodeSize] = big2llvm(big.NewInt(int64(len(code)))) // TODO: Keep code size as i64
+	if len(callData) > 0 {
+		data.callData = &callData[0]
+	}
+	if len(code) > 0 {
+		data.code = &code[0]
+	}
+	
+	r := C.evmjit_run(unsafe.Pointer(&data), unsafe.Pointer(self));
+	fmt.Printf("JIT result: %d\n", r);
 	
 	return self.backup.Run(me, caller, code, value, gas, price, callData)
 }
@@ -70,4 +157,21 @@ func env_sha3(dataPtr unsafe.Pointer, length uint64, hashPtr unsafe.Pointer) {
 	fmt.Printf("\tout1: %x\n", oHash)
 }
 
+//export env_sstore
+func env_sstore(vmPtr unsafe.Pointer, indexPtr unsafe.Pointer, valuePtr unsafe.Pointer) {
+	vm := (*JitVm)(vmPtr)
+	index := llvm2hash((*i256)(indexPtr))
+	value := llvm2hash((*i256)(valuePtr))
+	vm.env.State().SetState(vm.myAddress, index, value)
+}
+
+//export env_sload
+func env_sload(vmPtr unsafe.Pointer, indexPtr unsafe.Pointer, resultPtr unsafe.Pointer) {
+	vm := (*JitVm)(vmPtr)
+	index := llvm2hash((*i256)(indexPtr))
+	value := vm.env.State().GetState(vm.myAddress, index)
+	result := (*i256)(resultPtr)
+	*result = hash2llvm(value)
+}
+
 //go is nice