本文整理汇总了C++中StubInfoMap类的典型用法代码示例。如果您正苦于以下问题：C++ StubInfoMap类的具体用法？C++ StubInfoMap怎么用？C++ StubInfoMap使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了StubInfoMap类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: computeFor
GetByIdStatus GetByIdStatus::computeFor(
CodeBlock* profiledBlock, CodeBlock* dfgBlock, StubInfoMap& baselineMap,
StubInfoMap& dfgMap, CodeOrigin codeOrigin, StringImpl* uid)
{
#if ENABLE(DFG_JIT)
if (dfgBlock) {
GetByIdStatus result;
{
ConcurrentJITLocker locker(dfgBlock->m_lock);
result = computeForStubInfo(locker, dfgBlock, dfgMap.get(codeOrigin), uid);
}
if (result.takesSlowPath())
return result;
{
ConcurrentJITLocker locker(profiledBlock->m_lock);
if (hasExitSite(locker, profiledBlock, codeOrigin.bytecodeIndex, ExitFromFTL))
return GetByIdStatus(TakesSlowPath, true);
}
if (result.isSet())
return result;
}
#else
UNUSED_PARAM(dfgBlock);
UNUSED_PARAM(dfgMap);
#endif
return computeFor(profiledBlock, baselineMap, codeOrigin.bytecodeIndex, uid);
}示例2: computeFor
PutByIdStatus PutByIdStatus::computeFor(CodeBlock* baselineBlock, CodeBlock* dfgBlock, StubInfoMap& baselineMap, StubInfoMap& dfgMap, CodeOrigin codeOrigin, StringImpl* uid)
{
#if ENABLE(DFG_JIT)
if (dfgBlock) {
CallLinkStatus::ExitSiteData exitSiteData;
{
ConcurrentJITLocker locker(baselineBlock->m_lock);
if (hasExitSite(locker, baselineBlock, codeOrigin.bytecodeIndex, ExitFromFTL))
return PutByIdStatus(TakesSlowPath);
exitSiteData = CallLinkStatus::computeExitSiteData(
locker, baselineBlock, codeOrigin.bytecodeIndex, ExitFromFTL);
}
PutByIdStatus result;
{
ConcurrentJITLocker locker(dfgBlock->m_lock);
result = computeForStubInfo(
locker, dfgBlock, dfgMap.get(codeOrigin), uid, exitSiteData);
}
// We use TakesSlowPath in some cases where the stub was unset. That's weird and
// it would be better not to do that. But it means that we have to defend
// ourselves here.
if (result.isSimple())
return result;
}
#else
UNUSED_PARAM(dfgBlock);
UNUSED_PARAM(dfgMap);
#endif
return computeFor(baselineBlock, baselineMap, codeOrigin.bytecodeIndex, uid);
}示例3: computeFor
GetByIdStatus GetByIdStatus::computeFor(
CodeBlock* profiledBlock, CodeBlock* dfgBlock, StubInfoMap& baselineMap,
StubInfoMap& dfgMap, CodeOrigin codeOrigin, UniquedStringImpl* uid)
{
#if ENABLE(DFG_JIT)
if (dfgBlock) {
CallLinkStatus::ExitSiteData exitSiteData;
{
ConcurrentJITLocker locker(profiledBlock->m_lock);
exitSiteData = CallLinkStatus::computeExitSiteData(
locker, profiledBlock, codeOrigin.bytecodeIndex);
}
GetByIdStatus result;
{
ConcurrentJITLocker locker(dfgBlock->m_lock);
result = computeForStubInfoWithoutExitSiteFeedback(
locker, dfgBlock, dfgMap.get(codeOrigin), uid, exitSiteData);
}
if (result.takesSlowPath())
return result;
{
ConcurrentJITLocker locker(profiledBlock->m_lock);
if (hasExitSite(locker, profiledBlock, codeOrigin.bytecodeIndex))
return GetByIdStatus(TakesSlowPath, true);
}
if (result.isSet())
return result;
}
#else
UNUSED_PARAM(dfgBlock);
UNUSED_PARAM(dfgMap);
#endif
return computeFor(profiledBlock, baselineMap, codeOrigin.bytecodeIndex, uid);
}示例4: computeFor
GetByIdStatus GetByIdStatus::computeFor(CodeBlock* profiledBlock, StubInfoMap& map, unsigned bytecodeIndex, StringImpl* uid)
{
ConcurrentJITLocker locker(profiledBlock->m_lock);
UNUSED_PARAM(profiledBlock);
UNUSED_PARAM(bytecodeIndex);
UNUSED_PARAM(uid);
#if ENABLE(JIT)
StructureStubInfo* stubInfo = map.get(CodeOrigin(bytecodeIndex));
if (!stubInfo || !stubInfo->seen)
return computeFromLLInt(profiledBlock, bytecodeIndex, uid);
if (stubInfo->resetByGC)
return GetByIdStatus(TakesSlowPath, true);
PolymorphicAccessStructureList* list;
int listSize;
switch (stubInfo->accessType) {
case access_get_by_id_self_list:
list = stubInfo->u.getByIdSelfList.structureList;
listSize = stubInfo->u.getByIdSelfList.listSize;
break;
case access_get_by_id_proto_list:
list = stubInfo->u.getByIdProtoList.structureList;
listSize = stubInfo->u.getByIdProtoList.listSize;
break;
default:
list = 0;
listSize = 0;
break;
}
for (int i = 0; i < listSize; ++i) {
if (!list->list[i].isDirect)
return GetByIdStatus(MakesCalls, true);
}
// Next check if it takes slow case, in which case we want to be kind of careful.
if (profiledBlock->likelyToTakeSlowCase(bytecodeIndex))
return GetByIdStatus(TakesSlowPath, true);
// Finally figure out if we can derive an access strategy.
GetByIdStatus result;
result.m_wasSeenInJIT = true; // This is interesting for bytecode dumping only.
switch (stubInfo->accessType) {
case access_unset:
return computeFromLLInt(profiledBlock, bytecodeIndex, uid);
case access_get_by_id_self: {
Structure* structure = stubInfo->u.getByIdSelf.baseObjectStructure.get();
if (structure->takesSlowPathInDFGForImpureProperty())
return GetByIdStatus(TakesSlowPath, true);
unsigned attributesIgnored;
JSCell* specificValue;
result.m_offset = structure->getConcurrently(
*profiledBlock->vm(), uid, attributesIgnored, specificValue);
if (structure->isDictionary())
specificValue = 0;
if (isValidOffset(result.m_offset)) {
result.m_structureSet.add(structure);
result.m_specificValue = JSValue(specificValue);
}
if (isValidOffset(result.m_offset))
ASSERT(result.m_structureSet.size());
break;
}
case access_get_by_id_self_list: {
for (int i = 0; i < listSize; ++i) {
ASSERT(list->list[i].isDirect);
Structure* structure = list->list[i].base.get();
if (structure->takesSlowPathInDFGForImpureProperty())
return GetByIdStatus(TakesSlowPath, true);
if (result.m_structureSet.contains(structure))
continue;
unsigned attributesIgnored;
JSCell* specificValue;
PropertyOffset myOffset = structure->getConcurrently(
*profiledBlock->vm(), uid, attributesIgnored, specificValue);
if (structure->isDictionary())
specificValue = 0;
if (!isValidOffset(myOffset)) {
result.m_offset = invalidOffset;
break;
}
if (!i) {
result.m_offset = myOffset;
result.m_specificValue = JSValue(specificValue);
} else if (result.m_offset != myOffset) {
result.m_offset = invalidOffset;
break;
} else if (result.m_specificValue != JSValue(specificValue))
result.m_specificValue = JSValue();
//.........这里部分代码省略.........