void StackIterator::gotoNextFrame()
{
#if ENABLE(DFG_JIT)
if (m_frame.isInlinedFrame()) {
InlineCallFrame* inlineCallFrame = m_frame.inlineCallFrame();
CodeOrigin* callerCodeOrigin = &inlineCallFrame->caller;
readInlinedFrame(m_frame.callFrame(), callerCodeOrigin);
} else
#endif // ENABLE(DFG_JIT)
readFrame(m_frame.callerFrame());
}
void StackVisitor::gotoNextFrame()
{
#if ENABLE(DFG_JIT)
if (m_frame.isInlinedFrame()) {
InlineCallFrame* inlineCallFrame = m_frame.inlineCallFrame();
CodeOrigin* callerCodeOrigin = inlineCallFrame->getCallerSkippingDeadFrames();
if (!callerCodeOrigin) {
while (inlineCallFrame) {
readInlinedFrame(m_frame.callFrame(), &inlineCallFrame->directCaller);
inlineCallFrame = m_frame.inlineCallFrame();
}
m_frame.m_VMEntryFrame = m_frame.m_CallerVMEntryFrame;
readFrame(m_frame.callerFrame());
} else
readInlinedFrame(m_frame.callFrame(), callerCodeOrigin);
return;
}
#endif // ENABLE(DFG_JIT)
m_frame.m_VMEntryFrame = m_frame.m_CallerVMEntryFrame;
readFrame(m_frame.callerFrame());
}
void StackVisitor::gotoNextFrame()
{
#if ENABLE(DFG_JIT)
if (m_frame.isInlinedFrame()) {
InlineCallFrame* inlineCallFrame = m_frame.inlineCallFrame();
CodeOrigin* callerCodeOrigin = &inlineCallFrame->caller;
readInlinedFrame(m_frame.callFrame(), callerCodeOrigin);
return;
}
#endif // ENABLE(DFG_JIT)
m_frame.m_VMEntryFrame = m_frame.m_CallerVMEntryFrame;
readFrame(m_frame.callerFrame());
}
void StackVisitor::readFrame(CallFrame* callFrame)
{
if (!callFrame) {
m_frame.setToEnd();
return;
}
if (callFrame->isAnyWasmCallee()) {
readNonInlinedFrame(callFrame);
return;
}
#if !ENABLE(DFG_JIT)
readNonInlinedFrame(callFrame);
#else // !ENABLE(DFG_JIT)
// If the frame doesn't have a code block, then it's not a DFG frame.
// Hence, we're not at an inlined frame.
CodeBlock* codeBlock = callFrame->codeBlock();
if (!codeBlock) {
readNonInlinedFrame(callFrame);
return;
}
// If the code block does not have any code origins, then there's no
// inlining. Hence, we're not at an inlined frame.
if (!codeBlock->hasCodeOrigins()) {
readNonInlinedFrame(callFrame);
return;
}
CallSiteIndex index = callFrame->callSiteIndex();
ASSERT(codeBlock->canGetCodeOrigin(index));
if (!codeBlock->canGetCodeOrigin(index)) {
// See assertion above. In release builds, we try to protect ourselves
// from crashing even though stack walking will be goofed up.
m_frame.setToEnd();
return;
}
CodeOrigin codeOrigin = codeBlock->codeOrigin(index);
if (!codeOrigin.inlineCallFrame) {
readNonInlinedFrame(callFrame, &codeOrigin);
return;
}
readInlinedFrame(callFrame, &codeOrigin);
#endif // !ENABLE(DFG_JIT)
}
