Hide Math function implementations in a closure.

src/snapshot-common.cc

 // Copyright 2006-2008 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.
 
 // The common functionality when building with or without snapshots.
 
 #include "src/v8.h"
 
 #include "src/api.h"
 #include "src/base/platform/platform.h"
@@ skipping 148 matching lines @@
   int length = context_offset + context_length;
   char* data = new char[length];
 
   memcpy(data + kMetadataOffset, &metadata.RawValue(), kInt32Size);
   memcpy(data + kFirstPageSizesOffset, first_page_sizes,
          kNumPagedSpaces * kInt32Size);
   memcpy(data + kStartupLengthOffset, &startup_length, kInt32Size);
   memcpy(data + kStartupDataOffset, startup_data.begin(), startup_length);
   memcpy(data + context_offset, context_data.begin(), context_length);
   v8::StartupData result = {data, length};
+  printf("%d %d\n", startup_length, context_length);

[Jakob Kummerow, 2015/03/09 12:29:22]

debugging leftover?

   return result;
 }
 
 
 Snapshot::Metadata Snapshot::ExtractMetadata(const v8::StartupData* data) {
   uint32_t raw;
   memcpy(&raw, data->data + kMetadataOffset, kInt32Size);
   return Metadata(raw);
 }
 
@@ skipping 14 matching lines @@
   int startup_length;
   memcpy(&startup_length, data->data + kStartupLengthOffset, kIntSize);
   int context_offset = ContextOffset(startup_length);
   const byte* context_data =
       reinterpret_cast<const byte*>(data->data + context_offset);
   DCHECK_LT(context_offset, data->raw_size);
   int context_length = data->raw_size - context_offset;
   return Vector<const byte>(context_data, context_length);
 }
 } }  // namespace v8::internal