Add Dart_Save/LoadCompilationTrace.

runtime/vm/dart_api_impl.cc

 // Copyright (c) 2013, 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 "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
+#include "lib/stacktrace.h"
 #include "platform/assert.h"
-#include "lib/stacktrace.h"
 #include "vm/class_finalizer.h"
 #include "vm/clustered_snapshot.h"
+#include "vm/compilation_trace.h"
 #include "vm/compiler.h"
 #include "vm/dart.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_message.h"
 #include "vm/dart_api_state.h"
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
 #if !defined(DART_PRECOMPILED_RUNTIME)
 #include "vm/kernel_reader.h"
 #endif
 #include "vm/exceptions.h"
 #include "vm/flags.h"
 #include "vm/growable_array.h"
-#include "vm/lockers.h"
 #include "vm/isolate_reload.h"
 #include "vm/kernel_isolate.h"
+#include "vm/lockers.h"
 #include "vm/message.h"
 #include "vm/message_handler.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
+#include "vm/os.h"
 #include "vm/os_thread.h"
-#include "vm/os.h"
 #include "vm/port.h"
 #include "vm/precompiler.h"
 #include "vm/profiler.h"
 #include "vm/program_visitor.h"
 #include "vm/resolver.h"
 #include "vm/reusable_handles.h"
+#include "vm/service.h"
 #include "vm/service_event.h"
 #include "vm/service_isolate.h"
-#include "vm/service.h"
 #include "vm/stack_frame.h"
 #include "vm/symbols.h"
 #include "vm/tags.h"
 #include "vm/thread_registry.h"
 #include "vm/timeline.h"
 #include "vm/timer.h"
 #include "vm/unicode.h"
 #include "vm/uri.h"
 #include "vm/verifier.h"
 #include "vm/version.h"
@@ skipping 6427 matching lines @@
   OSThread* thread = OSThread::Current();
   if (thread == NULL) {
     // VM is shutting down.
     return;
   }
   thread->SetName(name);
 }
 
 
 DART_EXPORT
+Dart_Handle Dart_SaveCompilationTrace(uint8_t** buffer,
+                                      intptr_t* buffer_length) {
+  API_TIMELINE_DURATION;
+  Thread* thread = Thread::Current();
+  DARTSCOPE(thread);
+  CHECK_NULL(buffer);
+  CHECK_NULL(buffer_length);
+  CompilationTraceSaver saver(thread->zone());
+  ProgramVisitor::VisitFunctions(&saver);
+  saver.StealBuffer(buffer, buffer_length);
+  return Api::Success();
+}
+
+
+DART_EXPORT
+Dart_Handle Dart_LoadCompilationTrace(uint8_t* buffer, intptr_t buffer_length) {
+  Thread* thread = Thread::Current();
+  API_TIMELINE_DURATION;
+  DARTSCOPE(thread);
+  CHECK_NULL(buffer);
+  CompilationTraceLoader loader(thread);
+  const Object& error =
+      Object::Handle(loader.CompileTrace(reinterpret_cast<char*>(buffer)));
+  if (error.IsError()) {
+    return Api::NewHandle(T, Error::Cast(error).raw());
+  }
+  return Api::Success();
+}
+
+
+DART_EXPORT
 Dart_Handle Dart_SaveJITFeedback(uint8_t** buffer, intptr_t* buffer_length) {
 #if defined(DART_PRECOMPILED_RUNTIME)
   return Api::NewError("No JIT feedback to save on an AOT runtime.");
 #elif defined(PRODUCT)
   // TOOD(rmacnak): We'd need to include the JSON printing code again.
   return Api::NewError("Dart_SaveJITFeedback not supported in PRODUCT mode.");
 #else
   Thread* thread = Thread::Current();
   DARTSCOPE(thread);
   Isolate* isolate = thread->isolate();
@@ skipping 414 matching lines @@
 }
 
 
 DART_EXPORT void Dart_DumpNativeStackTrace(void* context) {
 #ifndef PRODUCT
   Profiler::DumpStackTrace(context);
 #endif
 }
 
 }  // namespace dart