mirror of
https://github.com/classilla/tenfourfox.git
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94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef vm_Probes_inl_h
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#define vm_Probes_inl_h
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#include "vm/Probes.h"
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#include "jscntxt.h"
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namespace js {
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/*
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* Many probe handlers are implemented inline for minimal performance impact,
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* especially important when no backends are enabled.
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*/
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inline bool
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probes::CallTrackingActive(JSContext* cx)
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{
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#ifdef INCLUDE_MOZILLA_DTRACE
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if (JAVASCRIPT_FUNCTION_ENTRY_ENABLED() || JAVASCRIPT_FUNCTION_RETURN_ENABLED())
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return true;
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#endif
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return false;
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}
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inline bool
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probes::EnterScript(JSContext* cx, JSScript* script, JSFunction* maybeFun,
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InterpreterFrame* fp)
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{
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#ifdef INCLUDE_MOZILLA_DTRACE
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if (JAVASCRIPT_FUNCTION_ENTRY_ENABLED())
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DTraceEnterJSFun(cx, maybeFun, script);
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#endif
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JSRuntime* rt = cx->runtime();
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if (rt->spsProfiler.enabled()) {
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if (!rt->spsProfiler.enter(cx, script, maybeFun))
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return false;
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MOZ_ASSERT_IF(!fp->script()->isGenerator(), !fp->hasPushedSPSFrame());
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fp->setPushedSPSFrame();
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}
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return true;
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}
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inline void
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probes::ExitScript(JSContext* cx, JSScript* script, JSFunction* maybeFun, bool popSPSFrame)
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{
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#ifdef INCLUDE_MOZILLA_DTRACE
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if (JAVASCRIPT_FUNCTION_RETURN_ENABLED())
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DTraceExitJSFun(cx, maybeFun, script);
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#endif
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if (popSPSFrame)
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cx->runtime()->spsProfiler.exit(script, maybeFun);
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}
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inline bool
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probes::StartExecution(JSScript* script)
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{
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bool ok = true;
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#ifdef INCLUDE_MOZILLA_DTRACE
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if (JAVASCRIPT_EXECUTE_START_ENABLED())
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JAVASCRIPT_EXECUTE_START((script->filename() ? (char*)script->filename() : nullName),
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script->lineno());
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#endif
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return ok;
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}
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inline bool
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probes::StopExecution(JSScript* script)
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{
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bool ok = true;
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#ifdef INCLUDE_MOZILLA_DTRACE
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if (JAVASCRIPT_EXECUTE_DONE_ENABLED())
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JAVASCRIPT_EXECUTE_DONE((script->filename() ? (char*)script->filename() : nullName),
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script->lineno());
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#endif
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return ok;
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}
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} /* namespace js */
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#endif /* vm_Probes_inl_h */
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