A64: Synchronize with r18444.

test/cctest/profiler-extension.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Tests of profiles generator and utilities.
 
-#include "free-buffer-extension.h"
-#include "platform.h"
-#include "v8.h"
+#include "profiler-extension.h"
 
-namespace v8 {
-namespace internal {
+#include "cctest.h"
 
+const v8::CpuProfile* ProfilerExtension::last_profile = NULL;
+const char* ProfilerExtension::kSource =
+    "native function startProfiling();"
+    "native function stopProfiling();";
 
-v8::Handle<v8::FunctionTemplate> FreeBufferExtension::GetNativeFunctionTemplate(
-    v8::Isolate* isolate,
-    v8::Handle<v8::String> str) {
-  return v8::FunctionTemplate::New(FreeBufferExtension::FreeBuffer);
+v8::Handle<v8::FunctionTemplate> ProfilerExtension::GetNativeFunctionTemplate(
+    v8::Isolate* isolate, v8::Handle<v8::String> name) {
+  if (name->Equals(v8::String::NewFromUtf8(isolate, "startProfiling"))) {
+    return v8::FunctionTemplate::New(ProfilerExtension::StartProfiling);
+  } else if (name->Equals(v8::String::NewFromUtf8(isolate, "stopProfiling"))) {
+    return v8::FunctionTemplate::New(ProfilerExtension::StopProfiling);
+  } else {
+    CHECK(false);
+    return v8::Handle<v8::FunctionTemplate>();
+  }
 }
 
 
-void FreeBufferExtension::FreeBuffer(
+void ProfilerExtension::StartProfiling(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
-  v8::Handle<v8::ArrayBuffer> arrayBuffer = args[0].As<v8::ArrayBuffer>();
-  v8::ArrayBuffer::Contents contents = arrayBuffer->Externalize();
-  V8::ArrayBufferAllocator()->Free(contents.Data(), contents.ByteLength());
+  last_profile = NULL;
+  v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler();
+  cpu_profiler->StartCpuProfiling((args.Length() > 0)
+      ? args[0].As<v8::String>()
+      : v8::String::Empty(args.GetIsolate()));
 }
 
 
-void FreeBufferExtension::Register() {
-  static char buffer[100];
-  Vector<char> temp_vector(buffer, sizeof(buffer));
-  OS::SNPrintF(temp_vector, "native function freeBuffer();");
-
-  static FreeBufferExtension buffer_free_extension(buffer);
-  static v8::DeclareExtension declaration(&buffer_free_extension);
+void ProfilerExtension::StopProfiling(
+    const v8::FunctionCallbackInfo<v8::Value>& args) {
+  v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler();
+  last_profile = cpu_profiler->StopCpuProfiling((args.Length() > 0)
+      ? args[0].As<v8::String>()
+      : v8::String::Empty(args.GetIsolate()));
 }
 
-} }  // namespace v8::internal
+
+static ProfilerExtension kProfilerExtension;
+v8::DeclareExtension kProfilerExtensionDeclaration(&kProfilerExtension);