static void
DisableActivationFromAsmJS(AsmJSActivation *activation)
{
JSContext *cx = activation->cx();
Activation *act = cx->mainThread().activation();
JS_ASSERT(act->isJit());
act->asJit()->setActive(cx, false);
}
bool
TraceLoggerThread::enable(JSContext* cx)
{
if (!enable())
return fail(cx, "internal error");
if (enabled_ == 1) {
// Get the top Activation to log the top script/pc (No inlined frames).
ActivationIterator iter(cx->runtime());
Activation* act = iter.activation();
if (!act)
return fail(cx, "internal error");
JSScript* script = nullptr;
int32_t engine = 0;
if (act->isJit()) {
JitFrameIterator it(iter);
while (!it.isScripted() && !it.done())
++it;
MOZ_ASSERT(!it.done());
MOZ_ASSERT(it.isIonJS() || it.isBaselineJS());
script = it.script();
engine = it.isIonJS() ? TraceLogger_IonMonkey : TraceLogger_Baseline;
} else if (act->isWasm()) {
JS_ReportErrorNumber(cx, GetErrorMessage, nullptr, JSMSG_TRACELOGGER_ENABLE_FAIL,
"not yet supported in wasm code");
return false;
} else {
MOZ_ASSERT(act->isInterpreter());
InterpreterFrame* fp = act->asInterpreter()->current();
MOZ_ASSERT(!fp->runningInJit());
script = fp->script();
engine = TraceLogger_Interpreter;
if (script->compartment() != cx->compartment())
return fail(cx, "compartment mismatch");
}
TraceLoggerEvent event(this, TraceLogger_Scripts, script);
startEvent(event);
startEvent(engine);
}
return true;
}
void
ScriptFrameIter::settleOnActivation()
{
while (true) {
if (data_.activations_.done()) {
data_.state_ = DONE;
return;
}
Activation *activation = data_.activations_.activation();
// If JS_SaveFrameChain was called, stop iterating here (unless
// GO_THROUGH_SAVED is set).
if (data_.savedOption_ == STOP_AT_SAVED && activation->hasSavedFrameChain()) {
data_.state_ = DONE;
return;
}
// Skip activations from another context if needed.
JS_ASSERT(activation->cx());
JS_ASSERT(data_.cx_);
if (data_.contextOption_ == CURRENT_CONTEXT && activation->cx() != data_.cx_) {
++data_.activations_;
continue;
}
// If the caller supplied principals, only show activations which are subsumed (of the same
// origin or of an origin accessible) by these principals.
if (data_.principals_) {
if (JSSubsumesOp subsumes = data_.cx_->runtime()->securityCallbacks->subsumes) {
JS::AutoAssertNoGC nogc;
if (!subsumes(data_.principals_, activation->compartment()->principals)) {
++data_.activations_;
continue;
}
}
}
#ifdef JS_ION
if (activation->isJit()) {
data_.ionFrames_ = jit::IonFrameIterator(data_.activations_);
// Stop at the first scripted frame.
while (!data_.ionFrames_.isScripted() && !data_.ionFrames_.done())
++data_.ionFrames_;
// It's possible to have an JitActivation with no scripted frames,
// for instance if we hit an over-recursion during bailout.
if (data_.ionFrames_.done()) {
++data_.activations_;
continue;
}
nextJitFrame();
data_.state_ = JIT;
return;
}
#endif
JS_ASSERT(activation->isInterpreter());
InterpreterActivation *interpAct = activation->asInterpreter();
data_.interpFrames_ = InterpreterFrameIterator(interpAct);
// If we OSR'ed into JIT code, skip the interpreter frame so that
// the same frame is not reported twice.
if (data_.interpFrames_.frame()->runningInJit()) {
++data_.interpFrames_;
if (data_.interpFrames_.done()) {
++data_.activations_;
continue;
}
}
JS_ASSERT(!data_.interpFrames_.frame()->runningInJit());
data_.pc_ = data_.interpFrames_.pc();
data_.state_ = SCRIPTED;
return;
}
}
void
ScriptFrameIter::settleOnActivation()
{
while (true) {
if (data_.activations_.done()) {
data_.state_ = DONE;
return;
}
Activation *activation = data_.activations_.activation();
// If JS_SaveFrameChain was called, stop iterating here (unless
// GO_THROUGH_SAVED is set).
if (data_.savedOption_ == STOP_AT_SAVED && activation->hasSavedFrameChain()) {
data_.state_ = DONE;
return;
}
// Skip activations from another context if needed.
JS_ASSERT(activation->cx());
JS_ASSERT(data_.cx_);
if (data_.contextOption_ == CURRENT_CONTEXT && activation->cx() != data_.cx_) {
++data_.activations_;
continue;
}
#ifdef JS_ION
if (activation->isJit()) {
data_.ionFrames_ = jit::IonFrameIterator(data_.activations_);
// Stop at the first scripted frame.
while (!data_.ionFrames_.isScripted() && !data_.ionFrames_.done())
++data_.ionFrames_;
// It's possible to have an JitActivation with no scripted frames,
// for instance if we hit an over-recursion during bailout.
if (data_.ionFrames_.done()) {
++data_.activations_;
continue;
}
nextJitFrame();
data_.state_ = JIT;
return;
}
#endif
JS_ASSERT(activation->isInterpreter());
InterpreterActivation *interpAct = activation->asInterpreter();
data_.interpFrames_ = InterpreterFrameIterator(interpAct);
// If we OSR'ed into JIT code, skip the interpreter frame so that
// the same frame is not reported twice.
if (data_.interpFrames_.frame()->runningInJit()) {
++data_.interpFrames_;
if (data_.interpFrames_.done()) {
++data_.activations_;
continue;
}
}
JS_ASSERT(!data_.interpFrames_.frame()->runningInJit());
data_.pc_ = data_.interpFrames_.pc();
data_.state_ = SCRIPTED;
return;
}
}
