[wasm] Initial signal handler

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index df70a56234854063ee45964a193670175c8fa19c..3fd77b53cc4cca6429030788800704befb48fbd7 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -67,6 +67,7 @@
 #include "src/snapshot/snapshot.h"
 #include "src/startup-data-util.h"
 #include "src/tracing/trace-event.h"
+#include "src/trap-handler/trap-handler.h"
 #include "src/unicode-inl.h"
 #include "src/v8.h"
 #include "src/v8threads.h"
@@ -6094,6 +6095,15 @@ bool v8::V8::Initialize() {
   return true;
 }
 
+bool V8::TryHandleFault(void* source_instruction, void* target_data,
+                        void** return_address) {
+  return v8::internal::trap_handler::TryHandleFault(
+      source_instruction, target_data, return_address);
+}
+
+bool V8::RegisterDefaultSignalHandler() {
+  return v8::internal::trap_handler::RegisterDefaultSignalHandler();
+}
 
 void v8::V8::SetEntropySource(EntropySource entropy_source) {
   base::RandomNumberGenerator::SetEntropySource(entropy_source);