wasm2c: support for module instancing (#1814)

Co-authored-by: Angela Montemayor <amontema@cs.stanford.edu>

1 files changed, 7 insertions, 0 deletions

diff --git a/wasm2c/wasm-rt.h b/wasm2c/wasm-rt.h
index 51a5dcd5..7b8ec1f4 100644
--- a/wasm2c/wasm-rt.h
+++ b/wasm2c/wasm-rt.h
@@ -146,6 +146,10 @@ typedef struct {
   /** The function. The embedder must know the actual C signature of the
    * function and cast to it before calling. */
   wasm_rt_funcref_t func;
+  /** A function instance is a closure of the function over an instance
+   * of the originating module. The module_instance element will be passed into
+   * the function at runtime. */
+  void* module_instance;
 } wasm_rt_elem_t;
 
 /** A Memory object. */
@@ -173,6 +177,9 @@ typedef struct {
 /** Initialize the runtime. */
 void wasm_rt_init(void);
 
+/** Is the runtime initialized? */
+bool wasm_rt_is_initialized(void);
+
 /** Free the runtime's state. */
 void wasm_rt_free(void);