C Interface draft 1

libevmjit/interface.c

@@ -0,0 +1,30 @@
+#include <stdint.h>
+
+// JIT object opaque type
+typedef struct evm_jit evm_jit;
+
+// Contract execution return code
+typedef int evm_jit_return_code;
+
+// Host-endian 256-bit integer type
+typedef struct i256 i256;
+
+// Big-endian right aligned 256-bit hash
+typedef struct h256 h256;
+
+// Runtime data struct - must be provided by external language (Go, C++, Python)
+typedef struct evm_jit_rt evm_jit_rt;
+
+// Runtime callback functions  - implementations must be provided by external language (Go, C++, Python)
+void evm_jit_rt_sload(evm_jit_rt* _rt, i256* _index, i256* _ret);
+void evm_jit_rt_sstore(evm_jit_rt* _rt, i256* _index, i256* _value);
+void evm_jit_rt_balance(evm_jit_rt* _rt, h256* _address, i256* _ret);
+// And so on...
+
+evm_jit* evm_jit_create(evm_jit_rt* _runtime_data);
+
+evm_jit_return_code evm_jit_execute(evm_jit* _jit);
+
+void evm_jit_get_return_data(evm_jit* _jit, char* _return_data_offset, size_t* _return_data_size);
+
+void evm_jit_destroy(evm_jit* _jit);