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

src/wasm/wasm-opcodes.h

Index: src/wasm/wasm-opcodes.h
diff --git a/src/wasm/wasm-opcodes.h b/src/wasm/wasm-opcodes.h
index b4aaed130c50075d46ee91997d3177ea787a705f..124240fad39efaf8bcfc6ac9ad9d405ab1cb1dd1 100644
--- a/src/wasm/wasm-opcodes.h
+++ b/src/wasm/wasm-opcodes.h
@@ -406,6 +406,9 @@ const WasmCodePosition kNoCodePosition = -1;
   V(S128Xor, 0xe578, s_ss)             \
   V(S128Not, 0xe579, s_s)
 
+// For enabling JIT functionality
+#define FOREACH_JIT_OPCODE(V) V(JITSingleFunction, 0xf0, _)
+
 // All opcodes.
 #define FOREACH_OPCODE(V)        \
   FOREACH_CONTROL_OPCODE(V)      \
@@ -416,7 +419,8 @@ const WasmCodePosition kNoCodePosition = -1;
   FOREACH_LOAD_MEM_OPCODE(V)     \
   FOREACH_MISC_MEM_OPCODE(V)     \
   FOREACH_ASMJS_COMPAT_OPCODE(V) \
-  FOREACH_SIMD_OPCODE(V)
+  FOREACH_SIMD_OPCODE(V)         \
+  FOREACH_JIT_OPCODE(V)
 
 // All signatures.
 #define FOREACH_SIGNATURE(V)         \
@@ -478,7 +482,8 @@ enum WasmOpcode {
   V(TrapFloatUnrepresentable)      \
   V(TrapFuncInvalid)               \
   V(TrapFuncSigMismatch)           \
-  V(TrapMemAllocationFail)
+  V(TrapMemAllocationFail)         \
+  V(TrapInvalidIndex)
 
 enum TrapReason {
 #define DECLARE_ENUM(name) k##name,