VM: Precompiled rodata snapshot.

runtime/bin/main.cc

Index: runtime/bin/main.cc
diff --git a/runtime/bin/main.cc b/runtime/bin/main.cc
index 5e57327cc1e86615b5ee397d4445a183419c1877..5fb21472db9ef7bfa11e6bfb0b4d137be0a5a83c 100644
--- a/runtime/bin/main.cc
+++ b/runtime/bin/main.cc
@@ -84,7 +84,8 @@ static bool has_noopt = false;
 
 
 extern const char* kPrecompiledLibraryName;
-extern const char* kPrecompiledSymbolName;
+extern const char* kPrecompiledInstructionsSymbolName;
+extern const char* kPrecompiledDataSymbolName;
 static const char* kPrecompiledVmIsolateName = "precompiled.vmisolate";
 static const char* kPrecompiledIsolateName = "precompiled.isolate";
 static const char* kPrecompiledInstructionsName = "precompiled.S";
@@ -1461,9 +1462,13 @@ void main(int argc, char** argv) {
   EventHandler::Start();
 
   const uint8_t* instructions_snapshot = NULL;
+  const uint8_t* data_snapshot = NULL;
   if (has_run_precompiled_snapshot) {
     instructions_snapshot = reinterpret_cast<const uint8_t*>(
-        LoadLibrarySymbol(kPrecompiledLibraryName, kPrecompiledSymbolName));
+        LoadLibrarySymbol(kPrecompiledLibraryName,
+        kPrecompiledInstructionsSymbolName));
+    data_snapshot = reinterpret_cast<const uint8_t*>(
+        LoadLibrarySymbol(kPrecompiledLibraryName, kPrecompiledDataSymbolName));
     ReadPrecompiledSnapshotFile(kPrecompiledVmIsolateName,
                                 &vm_isolate_snapshot_buffer);
     ReadPrecompiledSnapshotFile(kPrecompiledIsolateName,
@@ -1472,7 +1477,7 @@ void main(int argc, char** argv) {
 
   // Initialize the Dart VM.
   char* error = Dart_Initialize(
-      vm_isolate_snapshot_buffer, instructions_snapshot,
+      vm_isolate_snapshot_buffer, instructions_snapshot, data_snapshot,
       CreateIsolateAndSetup, NULL, NULL, ShutdownIsolate,
       DartUtils::OpenFile,
       DartUtils::ReadFile,