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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.
*/
#include "config.h"
#include "ProfilerCompilation.h"
#include "JSGlobalObject.h"
#include "ObjectConstructor.h"
#include "Operations.h"
#include "ProfilerDatabase.h"
#include <wtf/StringPrintStream.h>
namespace JSC { namespace Profiler {
Compilation::Compilation(Bytecodes* bytecodes, CompilationKind kind)
: m_bytecodes(bytecodes)
, m_kind(kind)
, m_numInlinedGetByIds(0)
, m_numInlinedPutByIds(0)
, m_numInlinedCalls(0)
{
}
Compilation::~Compilation() { }
void Compilation::addProfiledBytecodes(Database& database, CodeBlock* profiledBlock)
{
Bytecodes* bytecodes = database.ensureBytecodesFor(profiledBlock);
// First make sure that we haven't already added profiled bytecodes for this code
// block. We do this using an O(N) search because I suspect that this list will
// tend to be fairly small, and the additional space costs of having a HashMap/Set
// would be greater than the time cost of occasionally doing this search.
for (unsigned i = m_profiledBytecodes.size(); i--;) {
if (m_profiledBytecodes[i].bytecodes() == bytecodes)
return;
}
m_profiledBytecodes.append(ProfiledBytecodes(bytecodes, profiledBlock));
}
void Compilation::addDescription(const CompiledBytecode& compiledBytecode)
{
m_descriptions.append(compiledBytecode);
}
ExecutionCounter* Compilation::executionCounterFor(const OriginStack& origin)
{
HashMap<OriginStack, OwnPtr<ExecutionCounter> >::iterator iter = m_counters.find(origin);
if (iter != m_counters.end())
return iter->value.get();
OwnPtr<ExecutionCounter> counter = adoptPtr(new ExecutionCounter());
ExecutionCounter* result = counter.get();
m_counters.add(origin, counter.release());
return result;
}
void Compilation::addOSRExitSite(const Vector<const void*>& codeAddresses)
{
m_osrExitSites.append(OSRExitSite(codeAddresses));
}
OSRExit* Compilation::addOSRExit(unsigned id, const OriginStack& originStack, ExitKind exitKind, bool isWatchpoint)
{
m_osrExits.append(OSRExit(id, originStack, exitKind, isWatchpoint));
return &m_osrExits.last();
}
JSValue Compilation::toJS(ExecState* exec) const
{
JSObject* result = constructEmptyObject(exec);
result->putDirect(exec->vm(), exec->propertyNames().bytecodesID, jsNumber(m_bytecodes->id()));
result->putDirect(exec->vm(), exec->propertyNames().compilationKind, jsString(exec, String::fromUTF8(toCString(m_kind))));
JSArray* profiledBytecodes = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_profiledBytecodes.size(); ++i)
profiledBytecodes->putDirectIndex(exec, i, m_profiledBytecodes[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().profiledBytecodes, profiledBytecodes);
JSArray* descriptions = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_descriptions.size(); ++i)
descriptions->putDirectIndex(exec, i, m_descriptions[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().descriptions, descriptions);
JSArray* counters = constructEmptyArray(exec, 0);
HashMap<OriginStack, OwnPtr<ExecutionCounter> >::const_iterator end = m_counters.end();
for (HashMap<OriginStack, OwnPtr<ExecutionCounter> >::const_iterator iter = m_counters.begin(); iter != end; ++iter) {
JSObject* counterEntry = constructEmptyObject(exec);
counterEntry->putDirect(exec->vm(), exec->propertyNames().origin, iter->key.toJS(exec));
counterEntry->putDirect(exec->vm(), exec->propertyNames().executionCount, jsNumber(iter->value->count()));
counters->push(exec, counterEntry);
}
result->putDirect(exec->vm(), exec->propertyNames().counters, counters);
JSArray* exitSites = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_osrExitSites.size(); ++i)
exitSites->putDirectIndex(exec, i, m_osrExitSites[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().osrExitSites, exitSites);
JSArray* exits = constructEmptyArray(exec, 0);
for (unsigned i = 0; i < m_osrExits.size(); ++i)
exits->putDirectIndex(exec, i, m_osrExits[i].toJS(exec));
result->putDirect(exec->vm(), exec->propertyNames().osrExits, exits);
result->putDirect(exec->vm(), exec->propertyNames().numInlinedGetByIds, jsNumber(m_numInlinedGetByIds));
result->putDirect(exec->vm(), exec->propertyNames().numInlinedPutByIds, jsNumber(m_numInlinedPutByIds));
result->putDirect(exec->vm(), exec->propertyNames().numInlinedCalls, jsNumber(m_numInlinedCalls));
return result;
}
} } // namespace JSC::Profiler
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