[wasm] Move asm.js offset table to compiled module

src/frames.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/frames.h"
 
 #include <memory>
 #include <sstream>
 
 #include "src/base/bits.h"
@@ skipping 1514 matching lines @@
 }
 
 Script* WasmFrame::script() const {
   Handle<JSObject> instance(JSObject::cast(wasm_instance()), isolate());
   return *wasm::GetScript(instance);
 }
 
 int WasmFrame::position() const {
   int position = StandardFrame::position();
   if (wasm::WasmIsAsmJs(wasm_instance(), isolate())) {
-    Handle<JSObject> instance(JSObject::cast(wasm_instance()), isolate());
-    position =
-        wasm::GetAsmWasmSourcePosition(instance, function_index(), position);
+    Handle<WasmCompiledModule> compiled_module(
+        WasmInstanceObject::cast(wasm_instance())->get_compiled_module(),
+        isolate());
+    DCHECK_LE(0, position);
+    position = WasmCompiledModule::GetAsmJsSourcePosition(
+        compiled_module, function_index(), static_cast<uint32_t>(position));
   }
   return position;
 }
 
 int WasmFrame::LookupExceptionHandlerInTable(int* stack_slots) {
   DCHECK_NOT_NULL(stack_slots);
   Code* code = LookupCode();
   HandlerTable* table = HandlerTable::cast(code->handler_table());
   int pc_offset = static_cast<int>(pc() - code->entry());
   *stack_slots = code->stack_slots();
@@ skipping 431 matching lines @@
   for (StackFrameIterator it(isolate); !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame(), zone);
     list.Add(frame, zone);
   }
   return list.ToVector();
 }
 
 
 }  // namespace internal
 }  // namespace v8