[wasm] prototype for breakpoint support.

src/compiler/wasm-compiler.h

Index: src/compiler/wasm-compiler.h
diff --git a/src/compiler/wasm-compiler.h b/src/compiler/wasm-compiler.h
index c03de3d7d46eef4b1c367737b655a4deedd78599..03d476505775027640000c5ff552afa6eb270783 100644
--- a/src/compiler/wasm-compiler.h
+++ b/src/compiler/wasm-compiler.h
@@ -89,6 +89,12 @@ Handle<JSFunction> CompileJSToWasmWrapper(
     Isolate* isolate, wasm::ModuleEnv* module, Handle<String> name,
     Handle<Code> wasm_code, Handle<JSObject> module_object, uint32_t index);
 
+// Compiles a function which captures the parameters and calls into the wasm
+// interpreter. It's ABI compatible with the real wasm function.
+Handle<Code> CompileWasmToInterpreter(Isolate* isolate, uint32_t func_index,
+                                      wasm::FunctionSig* sig,
+                                      Handle<JSObject> wasm_obj);
+
 // Abstracts details of building TurboFan graph nodes for WASM to separate
 // the WASM decoder from the internal details of TurboFan.
 class WasmTrapHelper;
@@ -154,6 +160,8 @@ class WasmGraphBuilder {
   void BuildJSToWasmWrapper(Handle<Code> wasm_code, wasm::FunctionSig* sig);
   void BuildWasmToJSWrapper(Handle<JSFunction> function,
                             wasm::FunctionSig* sig);
+  void BuildWasmToInterpreter(uint32_t func_index, wasm::FunctionSig* sig,
+                              Handle<JSObject> wasm_obj);
 
   Node* ToJS(Node* node, Node* context, wasm::LocalType type);
   Node* FromJS(Node* node, Node* context, wasm::LocalType type);