/*
- * Copyright (C) 2012, 2013 Apple Inc. All rights reserved.
+ * Copyright (C) 2012-2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#include "CallFrame.h"
#include "CodeBlock.h"
#include "Executable.h"
-#include "Operations.h"
+#include "JSCInlines.h"
namespace JSC {
{
return inlineDepthForCallFrame(inlineCallFrame);
}
+
+bool CodeOrigin::isApproximatelyEqualTo(const CodeOrigin& other) const
+{
+ CodeOrigin a = *this;
+ CodeOrigin b = other;
+
+ if (!a.isSet())
+ return !b.isSet();
+ if (!b.isSet())
+ return false;
+
+ if (a.isHashTableDeletedValue())
+ return b.isHashTableDeletedValue();
+ if (b.isHashTableDeletedValue())
+ return false;
+
+ for (;;) {
+ ASSERT(a.isSet());
+ ASSERT(b.isSet());
+
+ if (a.bytecodeIndex != b.bytecodeIndex)
+ return false;
+
+ if ((!!a.inlineCallFrame) != (!!b.inlineCallFrame))
+ return false;
+
+ if (!a.inlineCallFrame)
+ return true;
+
+ if (a.inlineCallFrame->executable.get() != b.inlineCallFrame->executable.get())
+ return false;
+
+ a = a.inlineCallFrame->caller;
+ b = b.inlineCallFrame->caller;
+ }
+}
+
+unsigned CodeOrigin::approximateHash() const
+{
+ if (!isSet())
+ return 0;
+ if (isHashTableDeletedValue())
+ return 1;
+ unsigned result = 2;
+ CodeOrigin codeOrigin = *this;
+ for (;;) {
+ result += codeOrigin.bytecodeIndex;
+
+ if (!codeOrigin.inlineCallFrame)
+ return result;
+
+ result += WTF::PtrHash<JSCell*>::hash(codeOrigin.inlineCallFrame->executable.get());
+
+ codeOrigin = codeOrigin.inlineCallFrame->caller;
+ }
+}
+
Vector<CodeOrigin> CodeOrigin::inlineStack() const
{
Vector<CodeOrigin> result(inlineDepth());
void CodeOrigin::dump(PrintStream& out) const
{
+ if (!isSet()) {
+ out.print("<none>");
+ return;
+ }
+
Vector<CodeOrigin> stack = inlineStack();
for (unsigned i = 0; i < stack.size(); ++i) {
if (i)
if (InlineCallFrame* frame = stack[i].inlineCallFrame) {
out.print(frame->briefFunctionInformation(), ":<", RawPointer(frame->executable.get()), "> ");
- if (frame->isClosureCall())
+ if (frame->isClosureCall)
out.print("(closure) ");
}
}
}
+void CodeOrigin::dumpInContext(PrintStream& out, DumpContext*) const
+{
+ dump(out);
+}
+
+JSFunction* InlineCallFrame::calleeConstant() const
+{
+ if (calleeRecovery.isConstant())
+ return jsCast<JSFunction*>(calleeRecovery.constant());
+ return nullptr;
+}
+
+void InlineCallFrame::visitAggregate(SlotVisitor& visitor)
+{
+ // FIXME: This is an antipattern for two reasons. References introduced by the DFG
+ // that aren't in the original CodeBlock being compiled should be weakly referenced.
+ // Inline call frames aren't in the original CodeBlock, so they qualify as weak. Also,
+ // those weak references should already be tracked in the DFG as weak FrozenValues. So,
+ // there is probably no need for this. We already have assertions that this should be
+ // unnecessary. Finally, just marking the executable and not anything else in the inline
+ // call frame is almost certainly insufficient for what this method thought it was going
+ // to accomplish.
+ // https://bugs.webkit.org/show_bug.cgi?id=146613
+ visitor.append(&executable);
+}
+
JSFunction* InlineCallFrame::calleeForCallFrame(ExecState* exec) const
{
- if (!isClosureCall())
- return callee.get();
-
- return jsCast<JSFunction*>((exec + stackOffset)->callee());
+ return jsCast<JSFunction*>(calleeRecovery.recover(exec));
}
CodeBlockHash InlineCallFrame::hash() const
{
- return executable->hashFor(specializationKind());
+ return jsCast<FunctionExecutable*>(executable.get())->codeBlockFor(
+ specializationKind())->hash();
+}
+
+CString InlineCallFrame::hashAsStringIfPossible() const
+{
+ return jsCast<FunctionExecutable*>(executable.get())->codeBlockFor(
+ specializationKind())->hashAsStringIfPossible();
}
-String InlineCallFrame::inferredName() const
+CString InlineCallFrame::inferredName() const
{
- return jsCast<FunctionExecutable*>(executable.get())->inferredName().string();
+ return jsCast<FunctionExecutable*>(executable.get())->inferredName().utf8();
}
CodeBlock* InlineCallFrame::baselineCodeBlock() const
void InlineCallFrame::dumpBriefFunctionInformation(PrintStream& out) const
{
- out.print(inferredName(), "#", hash());
+ out.print(inferredName(), "#", hashAsStringIfPossible());
}
-void InlineCallFrame::dump(PrintStream& out) const
+void InlineCallFrame::dumpInContext(PrintStream& out, DumpContext* context) const
{
- out.print(briefFunctionInformation(), ":<", RawPointer(executable.get()), ", bc#", caller.bytecodeIndex, ", ", specializationKind());
- if (callee)
- out.print(", known callee: ", JSValue(callee.get()));
- else
+ out.print(briefFunctionInformation(), ":<", RawPointer(executable.get()));
+ if (executable->isStrictMode())
+ out.print(" (StrictMode)");
+ out.print(", bc#", caller.bytecodeIndex, ", ", kind);
+ if (isClosureCall)
out.print(", closure call");
+ else
+ out.print(", known callee: ", inContext(calleeRecovery.constant(), context));
out.print(", numArgs+this = ", arguments.size());
- out.print(", stack >= r", stackOffset);
- out.print(">");
+ out.print(", stackOffset = ", stackOffset);
+ out.print(" (", virtualRegisterForLocal(0), " maps to ", virtualRegisterForLocal(0) + stackOffset, ")>");
+}
+
+void InlineCallFrame::dump(PrintStream& out) const
+{
+ dumpInContext(out, 0);
}
} // namespace JSC
+namespace WTF {
+
+void printInternal(PrintStream& out, JSC::InlineCallFrame::Kind kind)
+{
+ switch (kind) {
+ case JSC::InlineCallFrame::Call:
+ out.print("Call");
+ return;
+ case JSC::InlineCallFrame::Construct:
+ out.print("Construct");
+ return;
+ case JSC::InlineCallFrame::CallVarargs:
+ out.print("CallVarargs");
+ return;
+ case JSC::InlineCallFrame::ConstructVarargs:
+ out.print("ConstructVarargs");
+ return;
+ case JSC::InlineCallFrame::GetterCall:
+ out.print("GetterCall");
+ return;
+ case JSC::InlineCallFrame::SetterCall:
+ out.print("SetterCall");
+ return;
+ }
+ RELEASE_ASSERT_NOT_REACHED();
+}
+
+} // namespace WTF
+
projects / apple / javascriptcore.git / blobdiff