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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef vm_Probes_inl_h
#define vm_Probes_inl_h
#include "vm/Probes.h"
#include "jscntxt.h"
namespace js {
/*
* Many probe handlers are implemented inline for minimal performance impact,
* especially important when no backends are enabled.
*/
inline bool
probes::CallTrackingActive(JSContext* cx)
{
#ifdef INCLUDE_MOZILLA_DTRACE
if (JAVASCRIPT_FUNCTION_ENTRY_ENABLED() || JAVASCRIPT_FUNCTION_RETURN_ENABLED())
return true;
#endif
return false;
}
inline bool
probes::EnterScript(JSContext* cx, JSScript* script, JSFunction* maybeFun,
InterpreterFrame* fp)
{
#ifdef INCLUDE_MOZILLA_DTRACE
if (JAVASCRIPT_FUNCTION_ENTRY_ENABLED())
DTraceEnterJSFun(cx, maybeFun, script);
#endif
JSRuntime* rt = cx->runtime();
if (rt->spsProfiler.enabled()) {
if (!rt->spsProfiler.enter(cx, script, maybeFun))
return false;
MOZ_ASSERT_IF(!fp->script()->isStarGenerator() &&
!fp->script()->isLegacyGenerator() &&
!fp->script()->isAsync(),
!fp->hasPushedSPSFrame());
fp->setPushedSPSFrame();
}
return true;
}
inline void
probes::ExitScript(JSContext* cx, JSScript* script, JSFunction* maybeFun, bool popSPSFrame)
{
#ifdef INCLUDE_MOZILLA_DTRACE
if (JAVASCRIPT_FUNCTION_RETURN_ENABLED())
DTraceExitJSFun(cx, maybeFun, script);
#endif
if (popSPSFrame)
cx->runtime()->spsProfiler.exit(script, maybeFun);
}
inline bool
probes::StartExecution(JSScript* script)
{
bool ok = true;
#ifdef INCLUDE_MOZILLA_DTRACE
if (JAVASCRIPT_EXECUTE_START_ENABLED())
JAVASCRIPT_EXECUTE_START((script->filename() ? (char*)script->filename() : nullName),
script->lineno());
#endif
return ok;
}
inline bool
probes::StopExecution(JSScript* script)
{
bool ok = true;
#ifdef INCLUDE_MOZILLA_DTRACE
if (JAVASCRIPT_EXECUTE_DONE_ENABLED())
JAVASCRIPT_EXECUTE_DONE((script->filename() ? (char*)script->filename() : nullName),
script->lineno());
#endif
return ok;
}
} /* namespace js */
#endif /* vm_Probes_inl_h */
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