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Diffstat (limited to 'JavaScriptCore/profiler/Profiler.cpp')
| -rw-r--r-- | JavaScriptCore/profiler/Profiler.cpp | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/JavaScriptCore/profiler/Profiler.cpp b/JavaScriptCore/profiler/Profiler.cpp deleted file mode 100644 index 9ac73fd..0000000 --- a/JavaScriptCore/profiler/Profiler.cpp +++ /dev/null @@ -1,172 +0,0 @@ -/* - * Copyright (C) 2008 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. - * 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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. - */ - -#include "config.h" -#include "Profiler.h" - -#include "CommonIdentifiers.h" -#include "CallFrame.h" -#include "CodeBlock.h" -#include "InternalFunction.h" -#include "JSFunction.h" -#include "JSGlobalObject.h" -#include "Nodes.h" -#include "Profile.h" -#include "ProfileGenerator.h" -#include "ProfileNode.h" -#include "UStringConcatenate.h" -#include <stdio.h> - -namespace JSC { - -static const char* GlobalCodeExecution = "(program)"; -static const char* AnonymousFunction = "(anonymous function)"; -static unsigned ProfilesUID = 0; - -static CallIdentifier createCallIdentifierFromFunctionImp(ExecState*, JSFunction*); - -Profiler* Profiler::s_sharedProfiler = 0; -Profiler* Profiler::s_sharedEnabledProfilerReference = 0; - -Profiler* Profiler::profiler() -{ - if (!s_sharedProfiler) - s_sharedProfiler = new Profiler(); - return s_sharedProfiler; -} - -void Profiler::startProfiling(ExecState* exec, const UString& title) -{ - ASSERT_ARG(title, !title.isNull()); - - // Check if we currently have a Profile for this global ExecState and title. - // If so return early and don't create a new Profile. - ExecState* globalExec = exec ? exec->lexicalGlobalObject()->globalExec() : 0; - - for (size_t i = 0; i < m_currentProfiles.size(); ++i) { - ProfileGenerator* profileGenerator = m_currentProfiles[i].get(); - if (profileGenerator->originatingGlobalExec() == globalExec && profileGenerator->title() == title) - return; - } - - s_sharedEnabledProfilerReference = this; - RefPtr<ProfileGenerator> profileGenerator = ProfileGenerator::create(title, exec, ++ProfilesUID); - m_currentProfiles.append(profileGenerator); -} - -PassRefPtr<Profile> Profiler::stopProfiling(ExecState* exec, const UString& title) -{ - ExecState* globalExec = exec ? exec->lexicalGlobalObject()->globalExec() : 0; - for (ptrdiff_t i = m_currentProfiles.size() - 1; i >= 0; --i) { - ProfileGenerator* profileGenerator = m_currentProfiles[i].get(); - if (profileGenerator->originatingGlobalExec() == globalExec && (title.isNull() || profileGenerator->title() == title)) { - profileGenerator->stopProfiling(); - RefPtr<Profile> returnProfile = profileGenerator->profile(); - - m_currentProfiles.remove(i); - if (!m_currentProfiles.size()) - s_sharedEnabledProfilerReference = 0; - - return returnProfile; - } - } - - return 0; -} - -static inline void dispatchFunctionToProfiles(ExecState* callerOrHandlerCallFrame, const Vector<RefPtr<ProfileGenerator> >& profiles, ProfileGenerator::ProfileFunction function, const CallIdentifier& callIdentifier, unsigned currentProfileTargetGroup) -{ - for (size_t i = 0; i < profiles.size(); ++i) { - if (profiles[i]->profileGroup() == currentProfileTargetGroup || !profiles[i]->originatingGlobalExec()) - (profiles[i].get()->*function)(callerOrHandlerCallFrame, callIdentifier); - } -} - -void Profiler::willExecute(ExecState* callerCallFrame, JSValue function) -{ - ASSERT(!m_currentProfiles.isEmpty()); - - dispatchFunctionToProfiles(callerCallFrame, m_currentProfiles, &ProfileGenerator::willExecute, createCallIdentifier(callerCallFrame, function, "", 0), callerCallFrame->lexicalGlobalObject()->profileGroup()); -} - -void Profiler::willExecute(ExecState* callerCallFrame, const UString& sourceURL, int startingLineNumber) -{ - ASSERT(!m_currentProfiles.isEmpty()); - - CallIdentifier callIdentifier = createCallIdentifier(callerCallFrame, JSValue(), sourceURL, startingLineNumber); - - dispatchFunctionToProfiles(callerCallFrame, m_currentProfiles, &ProfileGenerator::willExecute, callIdentifier, callerCallFrame->lexicalGlobalObject()->profileGroup()); -} - -void Profiler::didExecute(ExecState* callerCallFrame, JSValue function) -{ - ASSERT(!m_currentProfiles.isEmpty()); - - dispatchFunctionToProfiles(callerCallFrame, m_currentProfiles, &ProfileGenerator::didExecute, createCallIdentifier(callerCallFrame, function, "", 0), callerCallFrame->lexicalGlobalObject()->profileGroup()); -} - -void Profiler::didExecute(ExecState* callerCallFrame, const UString& sourceURL, int startingLineNumber) -{ - ASSERT(!m_currentProfiles.isEmpty()); - - dispatchFunctionToProfiles(callerCallFrame, m_currentProfiles, &ProfileGenerator::didExecute, createCallIdentifier(callerCallFrame, JSValue(), sourceURL, startingLineNumber), callerCallFrame->lexicalGlobalObject()->profileGroup()); -} - -void Profiler::exceptionUnwind(ExecState* handlerCallFrame) -{ - ASSERT(!m_currentProfiles.isEmpty()); - - dispatchFunctionToProfiles(handlerCallFrame, m_currentProfiles, &ProfileGenerator::exceptionUnwind, createCallIdentifier(handlerCallFrame, JSValue(), "", 0), handlerCallFrame->lexicalGlobalObject()->profileGroup()); -} - -CallIdentifier Profiler::createCallIdentifier(ExecState* exec, JSValue functionValue, const UString& defaultSourceURL, int defaultLineNumber) -{ - if (!functionValue) - return CallIdentifier(GlobalCodeExecution, defaultSourceURL, defaultLineNumber); - if (!functionValue.isObject()) - return CallIdentifier("(unknown)", defaultSourceURL, defaultLineNumber); - if (asObject(functionValue)->inherits(&JSFunction::info)) { - JSFunction* function = asFunction(functionValue); - if (!function->executable()->isHostFunction()) - return createCallIdentifierFromFunctionImp(exec, function); - } - if (asObject(functionValue)->inherits(&JSFunction::info)) - return CallIdentifier(static_cast<JSFunction*>(asObject(functionValue))->name(exec), defaultSourceURL, defaultLineNumber); - if (asObject(functionValue)->inherits(&InternalFunction::info)) - return CallIdentifier(static_cast<InternalFunction*>(asObject(functionValue))->name(exec), defaultSourceURL, defaultLineNumber); - return CallIdentifier(makeUString("(", asObject(functionValue)->className(), " object)"), defaultSourceURL, defaultLineNumber); -} - -CallIdentifier createCallIdentifierFromFunctionImp(ExecState* exec, JSFunction* function) -{ - ASSERT(!function->isHostFunction()); - const UString& name = function->calculatedDisplayName(exec); - return CallIdentifier(name.isEmpty() ? AnonymousFunction : name, function->jsExecutable()->sourceURL(), function->jsExecutable()->lineNo()); -} - -} // namespace JSC |