[wasm] Add support for multiple indirect function tables

test/unittests/wasm/module-decoder-unittest.cc

 // Copyright 2015 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 "test/unittests/test-utils.h"
 
 #include "src/handles.h"
 #include "src/objects-inl.h"
 #include "src/wasm/module-decoder.h"
 #include "src/wasm/wasm-macro-gen.h"
@@ skipping 489 matching lines @@
       // funcs ------------------------------------------------------
       ONE_EMPTY_FUNCTION,
       // indirect table ----------------------------------------------
       SECTION(FUNCTION_TABLE, 2), 1, U32V_1(0)};
 
   ModuleResult result = DecodeModule(data, data + arraysize(data));
   EXPECT_OK(result);
   if (result.ok()) {
     EXPECT_EQ(1, result.val->signatures.size());
     EXPECT_EQ(1, result.val->functions.size());
-    EXPECT_EQ(1, result.val->function_table.size());
-    EXPECT_EQ(0, result.val->function_table[0]);
+    EXPECT_EQ(1, result.val->function_tables.size());
+    EXPECT_EQ(1, result.val->function_tables[0].values.size());
+    EXPECT_EQ(0, result.val->function_tables[0].values[0]);
   }
   if (result.val) delete result.val;
 }
 
 TEST_F(WasmModuleVerifyTest, MultipleIndirectFunctions) {
   static const byte data[] = {
       // sig#0 -------------------------------------------------------
       SECTION(SIGNATURES, 1 + SIZEOF_SIG_ENTRY_v_v + SIZEOF_SIG_ENTRY_v_x),
       2,                         // --
       SIG_ENTRY_v_v,             // void -> void
@@ skipping 10 matching lines @@
       U32V_1(1),  // --
       U32V_1(2),  // --
       U32V_1(3),  // --
       FOUR_EMPTY_BODIES};
 
   ModuleResult result = DecodeModule(data, data + arraysize(data));
   EXPECT_OK(result);
   if (result.ok()) {
     EXPECT_EQ(2, result.val->signatures.size());
     EXPECT_EQ(4, result.val->functions.size());
-    EXPECT_EQ(8, result.val->function_table.size());
+    EXPECT_EQ(1, result.val->function_tables.size());
+    EXPECT_EQ(8, result.val->function_tables[0].values.size());
     for (int i = 0; i < 8; i++) {
-      EXPECT_EQ(i & 3, result.val->function_table[i]);
+      EXPECT_EQ(i & 3, result.val->function_tables[0].values[i]);
     }
   }
   if (result.val) delete result.val;
 }
 
 TEST_F(WasmModuleVerifyTest, IndirectFunctionNoFunctions) {
   static const byte data[] = {
       // sig#0 -------------------------------------------------------
       SIGNATURES_SECTION_VOID_VOID,
       // indirect table ----------------------------------------------
@@ skipping 647 matching lines @@
       NO_LOCAL_NAMES,  // --
       FOO_STRING,
       NO_LOCAL_NAMES,  // --
   };
   EXPECT_VERIFIES(data);
 }
 
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8