Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#ifndef vm_FrameIter_inl_h
#define vm_FrameIter_inl_h
#include "vm/FrameIter.h"
#include "mozilla/Assertions.h" // MOZ_ASSERT, MOZ_CRASH
#include "jit/JSJitFrameIter.h" // js::jit::{InlineFrameIterator,MaybeReadFallback,ReadFrame_Actuals}
#include "vm/Stack-inl.h" // js::InterpreterFrame::unaliasedForEachActual
namespace js {
template <class Op>
inline void FrameIter::unaliasedForEachActual(JSContext* cx, Op op) {
switch (data_.state_) {
case DONE:
break;
case INTERP:
interpFrame()->unaliasedForEachActual(op);
return;
case JIT:
MOZ_ASSERT(isJSJit());
if (jsJitFrame().isIonJS()) {
jit::MaybeReadFallback recover(cx, activation()->asJit(),
&jsJitFrame());
ionInlineFrames_.unaliasedForEachActual(cx, op, recover);
} else if (jsJitFrame().isBailoutJS()) {
// being bailed, then we might be in the middle of recovering
// instructions. Stacking computeInstructionResults implies that we
// might be recovering result twice. In the mean time, to avoid
// that, we just return Undefined values for instruction results
// which are not yet recovered.
jit::MaybeReadFallback fallback;
ionInlineFrames_.unaliasedForEachActual(cx, op, fallback);
} else {
MOZ_ASSERT(jsJitFrame().isBaselineJS());
jsJitFrame().unaliasedForEachActual(op);
}
return;
}
MOZ_CRASH("Unexpected state");
}
} // namespace js
#endif // vm_FrameIter_inl_h