[wasm] Add tests for breakpoints

test/cctest/wasm/wasm-run-utils.h

 // Copyright 2016 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.
 
 #ifndef WASM_RUN_UTILS_H
 #define WASM_RUN_UTILS_H
 
 #include <setjmp.h>
 #include <stdint.h>
 #include <stdlib.h>
@@ skipping 206 matching lines @@
     uint32_t index = AddFunction(sig, Handle<Code>::null(), nullptr);
     Handle<Code> code = CompileWasmToJSWrapper(
         isolate_, jsfunc, sig, index, Handle<String>::null(),
         Handle<String>::null(), module->origin);
     instance->function_code[index] = code;
     return index;
   }
 
   Handle<JSFunction> WrapCode(uint32_t index) {
     // Wrap the code so it can be called as a JS function.
-    Handle<WasmInstanceObject> instance_obj(0, isolate_);
     Handle<Code> code = instance->function_code[index];
     Handle<Code> ret_code =
         compiler::CompileJSToWasmWrapper(isolate_, &module_, code, index);
     Handle<JSFunction> ret = WasmExportedFunction::New(
-        isolate_, instance_obj, MaybeHandle<String>(), static_cast<int>(index),
+        isolate_, instance_object(), MaybeHandle<String>(),
+        static_cast<int>(index),
         static_cast<int>(this->module->functions[index].sig->parameter_count()),
         ret_code);
+
+    // Add weak reference to exported functions.
+    Handle<WasmCompiledModule> compiled_module(
+        instance_object()->compiled_module(), isolate_);
+    Handle<FixedArray> old_arr = compiled_module->weak_exported_functions();
+    Handle<FixedArray> new_arr =
+        isolate_->factory()->NewFixedArray(old_arr->length() + 1);
+    old_arr->CopyTo(0, *new_arr, 0, old_arr->length());
+    Handle<WeakCell> weak_fn = isolate_->factory()->NewWeakCell(ret);
+    new_arr->set(old_arr->length(), *weak_fn);
+    compiled_module->set_weak_exported_functions(new_arr);
+
     return ret;
   }
 
   void SetFunctionCode(uint32_t index, Handle<Code> code) {
     instance->function_code[index] = code;
   }
 
   void AddIndirectFunctionTable(uint16_t* function_indexes,
                                 uint32_t table_size) {
     module_.function_tables.push_back({table_size, table_size, true,
@@ skipping 82 matching lines @@
     Handle<WasmSharedModuleData> shared_module_data =
         WasmSharedModuleData::New(isolate_, module_wrapper, empty_string,
                                   script, Handle<ByteArray>::null());
     Handle<WasmCompiledModule> compiled_module =
         WasmCompiledModule::New(isolate_, shared_module_data);
     // Minimally initialize the compiled module such that IsWasmCompiledModule
     // passes.
     // If tests need more (correct) information, add it later.
     compiled_module->set_min_mem_pages(0);
     compiled_module->set_max_mem_pages(Smi::kMaxValue);
+    Handle<FixedArray> code_table = isolate_->factory()->NewFixedArray(0);
+    compiled_module->set_code_table(code_table);
+    Handle<FixedArray> weak_exported = isolate_->factory()->NewFixedArray(0);
+    compiled_module->set_weak_exported_functions(weak_exported);
     DCHECK(WasmCompiledModule::IsWasmCompiledModule(*compiled_module));
     return WasmInstanceObject::New(isolate_, compiled_module);
   }
 };
 
 inline void TestBuildingGraph(Zone* zone, JSGraph* jsgraph, ModuleEnv* module,
                               FunctionSig* sig,
                               SourcePositionTable* source_position_table,
                               const byte* start, const byte* end) {
   compiler::WasmGraphBuilder builder(module, zone, jsgraph, sig,
@@ skipping 187 matching lines @@
       // Add the code to the interpreter.
       CHECK(interpreter_->SetFunctionCodeForTesting(function_, start, end));
       return;
     }
 
     // Build the TurboFan graph.
     TestBuildingGraph(zone(), &jsgraph, testing_module_, sig,
                       &source_position_table_, start, end);
     Handle<Code> code = Compile();
     testing_module_->SetFunctionCode(function_index(), code);
+
+    // Add to code table.
+    Handle<WasmCompiledModule> compiled_module(
+        testing_module_->instance_object()->compiled_module(), isolate());
+    Handle<FixedArray> code_table = compiled_module->code_table();
+    code_table = FixedArray::SetAndGrow(code_table, function_index(), code);
+    compiled_module->set_code_table(code_table);
   }
 
   byte AllocateLocal(ValueType type) {
     uint32_t index = local_decls.AddLocals(1, type);
     byte result = static_cast<byte>(index);
     DCHECK_EQ(index, result);
     return result;
   }
 
   void SetSigIndex(int sig_index) { function_->sig_index = sig_index; }
@@ skipping 98 matching lines @@
                                     const char* name = nullptr) {
     functions_.emplace_back(
         new WasmFunctionCompiler(&zone_, sig, &module_, name));
     return *functions_.back();
   }
 
   byte AllocateLocal(ValueType type) {
     return functions_[0]->AllocateLocal(type);
   }
 
+  uint32_t function_index() { return functions_[0]->function_index(); }
   WasmFunction* function() { return functions_[0]->function_; }
   WasmInterpreter* interpreter() { return functions_[0]->interpreter_; }
   bool possible_nondeterminism() { return possible_nondeterminism_; }
   TestingModule& module() { return module_; }
   Zone* zone() { return &zone_; }
 
   // Set the context, such that e.g. runtime functions can be called.
   void SetModuleContext() {
     if (!module_.instance->context.is_null()) {
       CHECK(module_.instance->context.is_identical_to(
@@ skipping 141 matching lines @@
   void RunWasm_##name(WasmExecutionMode execution_mode)
 
 #define WASM_EXEC_COMPILED_TEST(name)                                \
   void RunWasm_##name(WasmExecutionMode execution_mode);             \
   TEST(RunWasmCompiled_##name) { RunWasm_##name(kExecuteCompiled); } \
   void RunWasm_##name(WasmExecutionMode execution_mode)
 
 }  // namespace
 
 #endif