[wasm] Add support for multiple indirect function tables

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 <stdint.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 204 matching lines @@
         isolate_, ret_code, name,
         static_cast<int>(this->module->functions[index].sig->parameter_count()),
         module_object);
     return ret;
   }
 
   void SetFunctionCode(uint32_t index, Handle<Code> code) {
     instance->function_code[index] = code;
   }
 
-  void AddIndirectFunctionTable(int* functions, int table_size) {
-    Handle<FixedArray> fixed =
-        isolate_->factory()->NewFixedArray(2 * table_size);
-    instance->function_table = fixed;
-    DCHECK_EQ(0u, module->function_table.size());
-    for (int i = 0; i < table_size; i++) {
-      module_.function_table.push_back(functions[i]);
+  void AddIndirectFunctionTable(uint16_t* functions, uint32_t table_size) {
+    module_.function_tables.push_back(
+        {table_size, table_size, std::vector<uint16_t>()});
+    for (uint32_t i = 0; i < table_size; ++i) {
+      module_.function_tables.back().values.push_back(functions[i]);
+    }
+
+    Handle<FixedArray> values = BuildFunctionTable(
+        isolate_, static_cast<int>(module_.function_tables.size() - 1),
+        &module_);
+    instance->function_tables.push_back(values);
+  }
+
+  void PopulateIndirectFunctionTable() {
+    for (uint32_t i = 0; i < instance->function_tables.size(); i++) {
+      PopulateFunctionTable(instance->function_tables[i],
+                            module_.function_tables[i].size,
+                            &instance->function_code);
     }
   }
 
-  void PopulateIndirectFunctionTable() {
-    if (instance->function_table.is_null()) return;
-    int table_size = static_cast<int>(module->function_table.size());
-    for (int i = 0; i < table_size; i++) {
-      int function_index = module->function_table[i];
-      const WasmFunction* function = &module->functions[function_index];
-      instance->function_table->set(i, Smi::FromInt(function->sig_index));
-      instance->function_table->set(i + table_size,
-                                    *instance->function_code[function_index]);
-    }
-  }
-
   WasmFunction* GetFunctionAt(int index) { return &module_.functions[index]; }
 
   WasmInterpreter* interpreter() { return interpreter_; }
   WasmExecutionMode execution_mode() { return execution_mode_; }
 
  private:
   WasmExecutionMode execution_mode_;
   WasmModule module_;
   WasmModuleInstance instance_;
   Isolate* isolate_;
@@ skipping 512 matching lines @@
 // interpreter.
 #define WASM_EXEC_TEST(name)                                               \
   void RunWasm_##name(WasmExecutionMode execution_mode);                   \
   TEST(RunWasmCompiled_##name) { RunWasm_##name(kExecuteCompiled); }       \
   TEST(RunWasmInterpreted_##name) { RunWasm_##name(kExecuteInterpreted); } \
   void RunWasm_##name(WasmExecutionMode execution_mode)
 
 }  // namespace
 
 #endif