message: Add memory offset addr impl
diff: @@ -344,7 +344,24 @@ impl Namespace for Instance {
  // TODO Remove this later, only needed for compilation till emscripten is updated
  impl Instance {
  - pub fn memory_offset_addr(&self, _index: usize, _offset: usize) -> *const usize {
  - unimplemented!("TODO replace this emscripten stub")
  + pub fn memory_offset_addr(&self, index: usize, offset: usize) -> *const u8 {
  + // Get vm context.
  + let vmctx = &self.vmctx;
  +
  + // Check if the index specified refers to an imported memory.
  + if index < self.module.0.imported_memories.len() {
  + // Get imported memory at specified index.
  + let memory = unsafe { vmctx.imported_memories.add(index) };
  +
  + // Get the actual address of the specified offset.
  + return unsafe { (*(*memory).memory).base.add(offset) }
  + }
  +
  + // Index points to a locally-defined memory
  + // Get local memory at specified index.
  + let memory = unsafe { vmctx.memories.add(index) };
  +
  + // Get the actual address of the specified offset.
  + unsafe { (*memory).base.add(offset) }
  }
  }
  