[Isolates] Merge crankshaft (r5922 from bleeding_edge).

include/v8-testing.h

+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// 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.
+
+#ifndef V8_V8_TEST_H_
+#define V8_V8_TEST_H_
+
+#include "v8.h"
+
+#ifdef _WIN32
+// Setup for Windows DLL export/import. See v8.h in this directory for
+// information on how to build/use V8 as a DLL.
+#if defined(BUILDING_V8_SHARED) && defined(USING_V8_SHARED)
+#error both BUILDING_V8_SHARED and USING_V8_SHARED are set - please check the\
+  build configuration to ensure that at most one of these is set
+#endif
+
+#ifdef BUILDING_V8_SHARED
+#define V8EXPORT __declspec(dllexport)
+#elif USING_V8_SHARED
+#define V8EXPORT __declspec(dllimport)
+#else
+#define V8EXPORT
+#endif
+
+#else  // _WIN32
+
+// Setup for Linux shared library export. See v8.h in this directory for
+// information on how to build/use V8 as shared library.
+#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(V8_SHARED)
+#define V8EXPORT __attribute__ ((visibility("default")))
+#else  // defined(__GNUC__) && (__GNUC__ >= 4)
+#define V8EXPORT
+#endif  // defined(__GNUC__) && (__GNUC__ >= 4)
+
+#endif  // _WIN32
+
+
+/**
+ * Testing support for the V8 JavaScript engine.
+ */
+namespace v8 {
+
+class V8EXPORT Testing {
+ public:
+  enum StressType {
+    kStressTypeOpt,
+    kStressTypeDeopt
+  };
+
+  /**
+   * Set the type of stressing to do. The default if not set is kStressTypeOpt.
+   */
+  static void SetStressRunType(StressType type);
+
+  /**
+   * Get the number of runs of a given test that is required to get the full
+   * stress coverage.
+   */
+  static int GetStressRuns();
+
+  /**
+   * Indicate the number of the run which is about to start. The value of run
+   * should be between 0 and one less than the result from GetStressRuns()
+   */
+  static void PrepareStressRun(int run);
+};
+
+
+}  // namespace v8
+
+
+#undef V8EXPORT
+
+
+#endif  // V8_V8_TEST_H_