[d8] Fix the shared-library build

src/utils.cc

 // Copyright 2011 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/utils.h"
 
 #include <stdarg.h>
 #include <sys/stat.h>
 
 #include "src/base/functional.h"
@@ skipping 369 matching lines @@
 
 #elif V8_OS_POSIX && V8_HOST_ARCH_ARM
 void MemCopyUint16Uint8Wrapper(uint16_t* dest, const uint8_t* src,
                                size_t chars) {
   uint16_t* limit = dest + chars;
   while (dest < limit) {
     *dest++ = static_cast<uint16_t>(*src++);
   }
 }
 
-
-MemCopyUint8Function memcopy_uint8_function = &MemCopyUint8Wrapper;
+V8_EXPORT_PRIVATE MemCopyUint8Function memcopy_uint8_function =
+    &MemCopyUint8Wrapper;
 MemCopyUint16Uint8Function memcopy_uint16_uint8_function =
     &MemCopyUint16Uint8Wrapper;
 // Defined in codegen-arm.cc.
 MemCopyUint8Function CreateMemCopyUint8Function(Isolate* isolate,
                                                 MemCopyUint8Function stub);
 MemCopyUint16Uint8Function CreateMemCopyUint16Uint8Function(
     Isolate* isolate, MemCopyUint16Uint8Function stub);
 
 #elif V8_OS_POSIX && V8_HOST_ARCH_MIPS
-MemCopyUint8Function memcopy_uint8_function = &MemCopyUint8Wrapper;
+V8_EXPORT_PRIVATE MemCopyUint8Function memcopy_uint8_function =
+    &MemCopyUint8Wrapper;
 // Defined in codegen-mips.cc.
 MemCopyUint8Function CreateMemCopyUint8Function(Isolate* isolate,
                                                 MemCopyUint8Function stub);
 #endif
 
 
 static bool g_memcopy_functions_initialized = false;
 
 
 void init_memcopy_functions(Isolate* isolate) {
@@ skipping 28 matching lines @@
   if (u.bits.exp == 0) {
     // Detect +0, and -0 for IEEE double precision floating point.
     if ((u.bits.man_low | u.bits.man_high) == 0) return false;
   }
   return true;
 }
 
 
 }  // namespace internal
 }  // namespace v8