Compile a simple function (#2)

* Implement basics.

* Execute code

* Add wasm2wat test cases.

* abi_loc_for_arg for stack.

* Assert that sp_depth is 0 at the epilogue

* Do 32bit add.

* Assert that RAX can be used as a scratch register

* Reuse assembler.

* Align stack slots.

src/lib.rs

@@ -8,6 +8,8 @@ extern crate wasmparser;
 extern crate failure_derive;
 extern crate dynasmrt;
 
+extern crate wabt;
+
 mod backend;
 mod disassemble;
 mod error;
@@ -15,4 +17,8 @@ mod function_body;
 mod module;
 mod translate_sections;
 
+#[cfg(test)]
+mod tests;
+
 pub use module::translate;
+pub use module::TranslatedModule;