WIP: wasm oob trap handling experiments

src/wasm/wasm-module.cc

Index: src/wasm/wasm-module.cc
diff --git a/src/wasm/wasm-module.cc b/src/wasm/wasm-module.cc
index 7a276dfc94e0597c0b6922d2291d7ac00520c0a2..178e832a6a0f204990fabd93bebc0eb3ff91cb6b 100644
--- a/src/wasm/wasm-module.cc
+++ b/src/wasm/wasm-module.cc
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include <iostream>
 #include <memory>
 
 #include "src/base/atomic-utils.h"
@@ -435,6 +436,21 @@ void LinkModuleFunctions(Isolate* isolate,
   for (size_t i = 0; i < functions.size(); ++i) {
     Handle<Code> code = functions[i];
     LinkFunction(code, functions, Code::WASM_FUNCTION);
+
+    // Add this object to the signal handler table.
+    {
+      auto* handler_data = new wasm::TrapHandlerData;
+
+      handler_data->code = *code;
+
+      std::cerr << "*** STORING HANDLER DATA "
+                << reinterpret_cast<void*>(code->instruction_start()) << " ***"
+                << std::endl;
+
+      handler_data->next = wasm::gTrapHandlers;
+      wasm::gTrapHandlers = handler_data;
+      // TODO(eholk): make sure to clean all this up someday.
+    }
   }
 }
 
@@ -1153,6 +1169,7 @@ MaybeHandle<FixedArray> WasmModule::CompileFunctions(
   for (size_t i = FLAG_skip_compiling_wasm_funcs;
        i < temp_instance_for_compilation.function_code.size(); ++i) {
     Code* code = *temp_instance_for_compilation.function_code[i];
+
     compiled_functions->set(static_cast<int>(i), code);
   }