[wasm] Change the constant kV8MaxWasmTableSize to a command line flag.

src/wasm/module-decoder.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 "src/wasm/module-decoder.h"
 
 #include "src/base/functional.h"
 #include "src/base/platform/platform.h"
 #include "src/flags.h"
 #include "src/macro-assembler.h"
@@ skipping 295 matching lines @@
             // ===== Imported table ==========================================
             if (!AddTable(module)) break;
             import->index =
                 static_cast<uint32_t>(module->function_tables.size());
             module->function_tables.push_back({0, 0, false,
                                                std::vector<int32_t>(), true,
                                                false, SignatureMap()});
             expect_u8("element type", kWasmAnyFunctionTypeForm);
             WasmIndirectFunctionTable* table = &module->function_tables.back();
             consume_resizable_limits("element count", "elements",
-                                     kV8MaxWasmTableSize, &table->min_size,
-                                     &table->has_max, kV8MaxWasmTableSize,
+                                     FLAG_wasm_max_table_size, &table->min_size,
+                                     &table->has_max, FLAG_wasm_max_table_size,
                                      &table->max_size);
             break;
           }
           case kExternalMemory: {
             // ===== Imported memory =========================================
             if (!AddMemory(module)) break;
             consume_resizable_limits(
                 "memory", "pages", FLAG_wasm_max_mem_pages,
                 &module->min_mem_pages, &module->has_max_mem,
                 kSpecMaxWasmMemoryPages, &module->max_mem_pages);
@@ skipping 46 matching lines @@
     // ===== Table section ===================================================
     if (section_iter.section_code() == kTableSectionCode) {
       uint32_t table_count = consume_count("table count", kV8MaxWasmTables);
 
       for (uint32_t i = 0; ok() && i < table_count; i++) {
         if (!AddTable(module)) break;
         module->function_tables.push_back({0, 0, false, std::vector<int32_t>(),
                                            false, false, SignatureMap()});
         WasmIndirectFunctionTable* table = &module->function_tables.back();
         expect_u8("table type", kWasmAnyFunctionTypeForm);
-        consume_resizable_limits(
-            "table elements", "elements", kV8MaxWasmTableSize, &table->min_size,
-            &table->has_max, kV8MaxWasmTableSize, &table->max_size);
+        consume_resizable_limits("table elements", "elements",
+                                 FLAG_wasm_max_table_size, &table->min_size,
+                                 &table->has_max, FLAG_wasm_max_table_size,
+                                 &table->max_size);
       }
       section_iter.advance();
     }
 
     // ===== Memory section ==================================================
     if (section_iter.section_code() == kMemorySectionCode) {
       uint32_t memory_count = consume_count("memory count", kV8MaxWasmMemories);
 
       for (uint32_t i = 0; ok() && i < memory_count; i++) {
         if (!AddMemory(module)) break;
@@ skipping 122 matching lines @@
           (func->sig->parameter_count() > 0 || func->sig->return_count() > 0)) {
         error(pos,
               "invalid start function: non-zero parameter or return count");
       }
       section_iter.advance();
     }
 
     // ===== Elements section ================================================
     if (section_iter.section_code() == kElementSectionCode) {
       uint32_t element_count =
-          consume_count("element count", kV8MaxWasmTableSize);
+          consume_count("element count", FLAG_wasm_max_table_size);
       for (uint32_t i = 0; ok() && i < element_count; ++i) {
         const byte* pos = pc();
         uint32_t table_index = consume_u32v("table index");
         if (table_index != 0) {
           error(pos, pos, "illegal table index %u != 0", table_index);
         }
         WasmIndirectFunctionTable* table = nullptr;
         if (table_index >= module->function_tables.size()) {
           error(pos, pos, "out of bounds table index %u", table_index);
         } else {
@@ skipping 716 matching lines @@
     table.push_back(std::move(func_asm_offsets));
   }
   if (decoder.more()) decoder.error("unexpected additional bytes");
 
   return decoder.toResult(std::move(table));
 }
 
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8