void CallLinkInfo::visitWeak(RepatchBuffer& repatchBuffer)
{
if (isLinked()) {
if (stub) {
if (!Heap::isMarked(stub->executable())) {
if (Options::verboseOSR()) {
dataLog(
"Clearing closure call from ", *repatchBuffer.codeBlock(), " to ",
stub->executable()->hashFor(specializationKind()),
", stub routine ", RawPointer(stub.get()), ".\n");
}
unlink(repatchBuffer);
}
} else if (!Heap::isMarked(callee.get())) {
if (Options::verboseOSR()) {
dataLog(
"Clearing call from ", *repatchBuffer.codeBlock(), " to ",
RawPointer(callee.get()), " (",
callee.get()->executable()->hashFor(specializationKind()),
").\n");
}
unlink(repatchBuffer);
}
}
if (!!lastSeenCallee && !Heap::isMarked(lastSeenCallee.get()))
lastSeenCallee.clear();
}
void InlineCallFrame::dumpInContext(PrintStream& out, DumpContext* context) const
{
out.print(briefFunctionInformation(), ":<", RawPointer(executable.get()));
if (executable->isStrictMode())
out.print(" (StrictMode)");
out.print(", bc#", caller.bytecodeIndex, ", ", specializationKind());
if (isClosureCall)
out.print(", closure call");
else
out.print(", known callee: ", inContext(calleeRecovery.constant(), context));
out.print(", numArgs+this = ", arguments.size());
out.print(", stack < loc", VirtualRegister(stackOffset).toLocal());
out.print(">");
}
void CallLinkInfo::visitWeak(RepatchBuffer& repatchBuffer)
{
auto handleSpecificCallee = [&] (JSFunction* callee) {
if (Heap::isMarked(callee->executable()))
m_hasSeenClosure = true;
else
m_clearedByGC = true;
};
if (isLinked()) {
if (stub()) {
if (!stub()->visitWeak(repatchBuffer)) {
if (Options::verboseOSR()) {
dataLog(
"Clearing closure call from ", *repatchBuffer.codeBlock(), " to ",
listDump(stub()->variants()), ", stub routine ", RawPointer(stub()),
".\n");
}
unlink(repatchBuffer);
m_clearedByGC = true;
}
} else if (!Heap::isMarked(m_callee.get())) {
if (Options::verboseOSR()) {
dataLog(
"Clearing call from ", *repatchBuffer.codeBlock(), " to ",
RawPointer(m_callee.get()), " (",
m_callee.get()->executable()->hashFor(specializationKind()),
").\n");
}
handleSpecificCallee(m_callee.get());
unlink(repatchBuffer);
}
}
if (haveLastSeenCallee() && !Heap::isMarked(lastSeenCallee())) {
handleSpecificCallee(lastSeenCallee());
clearLastSeenCallee();
}
}
CodeBlockHash InlineCallFrame::hash() const
{
return jsCast<FunctionExecutable*>(executable.get())->codeBlockFor(
specializationKind())->hash();
}
CodeBlock* InlineCallFrame::baselineCodeBlock() const
{
return jsCast<FunctionExecutable*>(executable.get())->baselineCodeBlockFor(specializationKind());
}
CString InlineCallFrame::hashAsStringIfPossible() const
{
return jsCast<FunctionExecutable*>(executable.get())->codeBlockFor(
specializationKind())->hashAsStringIfPossible();
}
void InlineCallFrame::dump(PrintStream& out) const
{
out.print("#", hash(), ":<", RawPointer(executable.get()), ", bc#", caller.bytecodeIndex, ", ", specializationKind(), ">");
}
CodeBlockHash InlineCallFrame::hash() const
{
return executable->hashFor(specializationKind());
}
