diff -r 000000000000 -r 6474c204b198 js/src/vm/Probes-inl.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/js/src/vm/Probes-inl.h Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,110 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * vim: set ts=8 sts=4 et sw=4 tw=99: + * 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 +#ifdef MOZ_TRACE_JSCALLS + if (cx->functionCallback) + return true; +#endif + return false; +} + +inline bool +probes::WantNativeAddressInfo(JSContext *cx) +{ + return (cx->reportGranularity >= JITREPORT_GRANULARITY_FUNCTION && + JITGranularityRequested(cx) >= JITREPORT_GRANULARITY_FUNCTION); +} + +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 +#ifdef MOZ_TRACE_JSCALLS + cx->doFunctionCallback(maybeFun, script, 1); +#endif + + JSRuntime *rt = cx->runtime(); + if (rt->spsProfiler.enabled()) { + if (!rt->spsProfiler.enter(script, maybeFun)) + return false; + JS_ASSERT_IF(!fp->isGeneratorFrame(), !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 +#ifdef MOZ_TRACE_JSCALLS + cx->doFunctionCallback(maybeFun, script, 0); +#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 */