Changes to get rid of dependency on openssl in the dart VM.

vm/raw_object_snapshot.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/bigint_operations.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/snapshot.h"
 #include "vm/visitor.h"
 
@@ skipping 1163 matching lines @@
                         Snapshot::Kind kind) {
   ASSERT(writer != NULL);
 
   // Write out the serialization header value for this object.
   writer->WriteSerializationMarker(kInlined, object_id);
 
   // Write out the class and tags information.
   writer->WriteObjectHeader(ObjectStore::kBigintClass, ptr()->tags_);
 
   // Write out the bigint value as a HEXCstring.
-  ptr()->bn_.d = ptr()->data_;
-  const char* str = BigintOperations::ToHexCString(&ptr()->bn_, &ZoneAllocator);
+  intptr_t length = ptr()->signed_length_;
+  bool is_negative = false;
+  if (length <= 0) {
+    length = -length;
+    is_negative = true;
+  }
+  uword data_start = reinterpret_cast<uword>(ptr()) + sizeof(RawBigint);
+  const char* str = BigintOperations::ToHexCString(
+      length,
+      is_negative,
+      reinterpret_cast<void*>(data_start),
+      &ZoneAllocator);
   bool neg = false;
   if (*str == '-') {
     neg = true;
     str++;
   }
   intptr_t len = strlen(str);
   ASSERT(len > 2 && str[0] == '0' && str[1] == 'x');
   if (neg) {
     writer->WriteIntptrValue(len - 1);  // Include '-' in length.
     writer->Write<uint8_t>('-');
@@ skipping 662 matching lines @@
 
 
 void RawICData::WriteTo(SnapshotWriter* writer,
                         intptr_t object_id,
                         Snapshot::Kind kind) {
   UNIMPLEMENTED();
 }
 
 
 }  // namespace dart