Remove static initializers in v8.

src/builtins.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1570 matching lines @@
 
 struct BuiltinDesc {
   byte* generator;
   byte* c_code;
   const char* s_name;  // name is only used for generating log information.
   int name;
   Code::Flags flags;
   BuiltinExtraArguments extra_args;
 };
 
+#define BUILTIN_FUNCTION_TABLE_INIT { V8_ONCE_INIT, {} }
+
 class BuiltinFunctionTable {
  public:
-  BuiltinFunctionTable() {
-    Builtins::InitBuiltinFunctionTable();
+  BuiltinDesc* functions() {
+    CallOnce(&once_, &Builtins::InitBuiltinFunctionTable);
+    return functions_;
   }
 
-  static const BuiltinDesc* functions() { return functions_; }
-
- private:
-  static BuiltinDesc functions_[Builtins::builtin_count + 1];
+  OnceType once_;
+  BuiltinDesc functions_[Builtins::builtin_count + 1];
 
   friend class Builtins;
 };
 
-BuiltinDesc BuiltinFunctionTable::functions_[Builtins::builtin_count + 1];
-
-static const BuiltinFunctionTable builtin_function_table_init;
+static BuiltinFunctionTable builtin_function_table =
+    BUILTIN_FUNCTION_TABLE_INIT;
 
 // Define array of pointers to generators and C builtin functions.
 // We do this in a sort of roundabout way so that we can do the initialization
 // within the lexical scope of Builtins:: and within a context where
 // Code::Flags names a non-abstract type.
 void Builtins::InitBuiltinFunctionTable() {
-  BuiltinDesc* functions = BuiltinFunctionTable::functions_;
+  BuiltinDesc* functions = builtin_function_table.functions_;
   functions[builtin_count].generator = NULL;
   functions[builtin_count].c_code = NULL;
   functions[builtin_count].s_name = NULL;
   functions[builtin_count].name = builtin_count;
   functions[builtin_count].flags = static_cast<Code::Flags>(0);
   functions[builtin_count].extra_args = NO_EXTRA_ARGUMENTS;
 
 #define DEF_FUNCTION_PTR_C(aname, aextra_args)                         \
     functions->generator = FUNCTION_ADDR(Generate_Adaptor);            \
     functions->c_code = FUNCTION_ADDR(Builtin_##aname);                \
@@ skipping 23 matching lines @@
 }
 
 void Builtins::SetUp(bool create_heap_objects) {
   ASSERT(!initialized_);
   Isolate* isolate = Isolate::Current();
   Heap* heap = isolate->heap();
 
   // Create a scope for the handles in the builtins.
   HandleScope scope(isolate);
 
-  const BuiltinDesc* functions = BuiltinFunctionTable::functions();
+  const BuiltinDesc* functions = builtin_function_table.functions();
 
   // For now we generate builtin adaptor code into a stack-allocated
   // buffer, before copying it into individual code objects. Be careful
   // with alignment, some platforms don't like unaligned code.
   union { int force_alignment; byte buffer[4*KB]; } u;
 
   // Traverse the list of builtins and generate an adaptor in a
   // separate code object for each one.
   for (int i = 0; i < builtin_count; i++) {
     if (create_heap_objects) {
@@ skipping 87 matching lines @@
   return Handle<Code>(code_address);                        \
 }
 BUILTIN_LIST_C(DEFINE_BUILTIN_ACCESSOR_C)
 BUILTIN_LIST_A(DEFINE_BUILTIN_ACCESSOR_A)
 BUILTIN_LIST_DEBUG_A(DEFINE_BUILTIN_ACCESSOR_A)
 #undef DEFINE_BUILTIN_ACCESSOR_C
 #undef DEFINE_BUILTIN_ACCESSOR_A
 
 
 } }  // namespace v8::internal