[wasm] Adding feature to JIT a wasm function at runtime and hook up the compiled code into the indi…

src/messages.h

Index: src/messages.h
diff --git a/src/messages.h b/src/messages.h
index dfe88659dd402d1e75b7d94d62f9470bf797662b..aeba83ce72703517adb020774653280680b04c86 100644
--- a/src/messages.h
+++ b/src/messages.h
@@ -492,7 +492,8 @@ class CallSite {
   T(WasmTrapFloatUnrepresentable, "integer result unrepresentable")            \
   T(WasmTrapFuncInvalid, "invalid function")                                   \
   T(WasmTrapFuncSigMismatch, "function signature mismatch")                    \
-  T(WasmTrapMemAllocationFail, "failed to allocate memory")
+  T(WasmTrapMemAllocationFail, "failed to allocate memory")                    \
+  T(WasmTrapInvalidIndex, "invalid index into function table")

[titzer, 2016/07/14 08:59:43]

This is the same condition as TrapFuncInvalid.

[ritesht, 2016/07/14 18:10:00]

The point of this is to draw the distinction between calling a function that is
already hooked to the table and a slot in the table where a potential compiled
code would be hooked to. I thought this would be more appropriate as the
function doesn't exist yet at that particular index.

 
 class MessageTemplate {
  public: