1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/vm/Probes-inl.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,110 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef vm_Probes_inl_h
1.11 +#define vm_Probes_inl_h
1.12 +
1.13 +#include "vm/Probes.h"
1.14 +
1.15 +#include "jscntxt.h"
1.16 +
1.17 +namespace js {
1.18 +
1.19 +/*
1.20 + * Many probe handlers are implemented inline for minimal performance impact,
1.21 + * especially important when no backends are enabled.
1.22 + */
1.23 +
1.24 +inline bool
1.25 +probes::CallTrackingActive(JSContext *cx)
1.26 +{
1.27 +#ifdef INCLUDE_MOZILLA_DTRACE
1.28 + if (JAVASCRIPT_FUNCTION_ENTRY_ENABLED() || JAVASCRIPT_FUNCTION_RETURN_ENABLED())
1.29 + return true;
1.30 +#endif
1.31 +#ifdef MOZ_TRACE_JSCALLS
1.32 + if (cx->functionCallback)
1.33 + return true;
1.34 +#endif
1.35 + return false;
1.36 +}
1.37 +
1.38 +inline bool
1.39 +probes::WantNativeAddressInfo(JSContext *cx)
1.40 +{
1.41 + return (cx->reportGranularity >= JITREPORT_GRANULARITY_FUNCTION &&
1.42 + JITGranularityRequested(cx) >= JITREPORT_GRANULARITY_FUNCTION);
1.43 +}
1.44 +
1.45 +inline bool
1.46 +probes::EnterScript(JSContext *cx, JSScript *script, JSFunction *maybeFun,
1.47 + InterpreterFrame *fp)
1.48 +{
1.49 +#ifdef INCLUDE_MOZILLA_DTRACE
1.50 + if (JAVASCRIPT_FUNCTION_ENTRY_ENABLED())
1.51 + DTraceEnterJSFun(cx, maybeFun, script);
1.52 +#endif
1.53 +#ifdef MOZ_TRACE_JSCALLS
1.54 + cx->doFunctionCallback(maybeFun, script, 1);
1.55 +#endif
1.56 +
1.57 + JSRuntime *rt = cx->runtime();
1.58 + if (rt->spsProfiler.enabled()) {
1.59 + if (!rt->spsProfiler.enter(script, maybeFun))
1.60 + return false;
1.61 + JS_ASSERT_IF(!fp->isGeneratorFrame(), !fp->hasPushedSPSFrame());
1.62 + fp->setPushedSPSFrame();
1.63 + }
1.64 +
1.65 + return true;
1.66 +}
1.67 +
1.68 +inline void
1.69 +probes::ExitScript(JSContext *cx, JSScript *script, JSFunction *maybeFun, bool popSPSFrame)
1.70 +{
1.71 +#ifdef INCLUDE_MOZILLA_DTRACE
1.72 + if (JAVASCRIPT_FUNCTION_RETURN_ENABLED())
1.73 + DTraceExitJSFun(cx, maybeFun, script);
1.74 +#endif
1.75 +#ifdef MOZ_TRACE_JSCALLS
1.76 + cx->doFunctionCallback(maybeFun, script, 0);
1.77 +#endif
1.78 +
1.79 + if (popSPSFrame)
1.80 + cx->runtime()->spsProfiler.exit(script, maybeFun);
1.81 +}
1.82 +
1.83 +inline bool
1.84 +probes::StartExecution(JSScript *script)
1.85 +{
1.86 + bool ok = true;
1.87 +
1.88 +#ifdef INCLUDE_MOZILLA_DTRACE
1.89 + if (JAVASCRIPT_EXECUTE_START_ENABLED())
1.90 + JAVASCRIPT_EXECUTE_START((script->filename() ? (char *)script->filename() : nullName),
1.91 + script->lineno());
1.92 +#endif
1.93 +
1.94 + return ok;
1.95 +}
1.96 +
1.97 +inline bool
1.98 +probes::StopExecution(JSScript *script)
1.99 +{
1.100 + bool ok = true;
1.101 +
1.102 +#ifdef INCLUDE_MOZILLA_DTRACE
1.103 + if (JAVASCRIPT_EXECUTE_DONE_ENABLED())
1.104 + JAVASCRIPT_EXECUTE_DONE((script->filename() ? (char *)script->filename() : nullName),
1.105 + script->lineno());
1.106 +#endif
1.107 +
1.108 + return ok;
1.109 +}
1.110 +
1.111 +} /* namespace js */
1.112 +
1.113 +#endif /* vm_Probes_inl_h */
