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- /*
- * Copyright (C) 2012, 2013 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 ProfilerDatabase_h
- #define ProfilerDatabase_h
- #if !ENABLE(DETACHED_JIT)
- #include "JSCJSValue.h"
- #include "ProfilerBytecodes.h"
- #include "ProfilerCompilation.h"
- #include "ProfilerCompilationKind.h"
- #include <wtf/FastAllocBase.h>
- #include <wtf/HashMap.h>
- #include <wtf/Noncopyable.h>
- #include <wtf/PassRefPtr.h>
- #include <wtf/SegmentedVector.h>
- #include <wtf/text/WTFString.h>
- namespace JSC { namespace Profiler {
- class Database {
- WTF_MAKE_FAST_ALLOCATED; WTF_MAKE_NONCOPYABLE(Database);
- public:
- JS_EXPORT_PRIVATE Database(VM&);
- JS_EXPORT_PRIVATE ~Database();
-
- int databaseID() const { return m_databaseID; }
-
- Bytecodes* ensureBytecodesFor(CodeBlock*);
- void notifyDestruction(CodeBlock*);
-
- PassRefPtr<Compilation> newCompilation(CodeBlock*, CompilationKind);
- PassRefPtr<Compilation> newCompilation(Bytecodes*, CompilationKind);
-
- // Converts the database to a JavaScript object that is suitable for JSON stringification.
- // Note that it's probably a good idea to use an ExecState* associated with a global
- // object that is "clean" - i.e. array and object prototypes haven't had strange things
- // done to them. And yes, it should be appropriate to just use a globalExec here.
- JS_EXPORT_PRIVATE JSValue toJS(ExecState*) const;
-
- // Converts the database to a JavaScript object using a private temporary global object,
- // and then returns the JSON representation of that object.
- JS_EXPORT_PRIVATE String toJSON() const;
-
- // Saves the JSON representation (from toJSON()) to the given file. Returns false if the
- // save failed.
- JS_EXPORT_PRIVATE bool save(const char* filename) const;
- void registerToSaveAtExit(const char* filename);
-
- private:
- void addDatabaseToAtExit();
- void removeDatabaseFromAtExit();
- void performAtExitSave() const;
- static Database* removeFirstAtExitDatabase();
- static void atExitCallback();
-
- int m_databaseID;
- VM& m_vm;
- SegmentedVector<Bytecodes> m_bytecodes;
- HashMap<CodeBlock*, Bytecodes*> m_bytecodesMap;
- Vector<RefPtr<Compilation> > m_compilations;
- bool m_shouldSaveAtExit;
- CString m_atExitSaveFilename;
- Database* m_nextRegisteredDatabase;
- };
- } } // namespace JSC::Profiler
- #endif // #if !ENABLE(DETACHED_JIT)
- #endif // ProfilerDatabase_h
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