mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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375 lines
11 KiB
C++
375 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sw=4 et tw=80:
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* Copyright (C) 2007 Sun Microsystems, Inc. All Rights Reserved.
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*
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* Contributor(s):
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* Brendan Eich <brendan@mozilla.org>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifdef MOZ_ETW
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#include "jswin.h"
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#include <evntprov.h>
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/* Generated from ETWProvider.man */
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#include "ETWProvider.h"
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#endif
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#include "jsapi.h"
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#include "jsutil.h"
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#include "jsatom.h"
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#include "jscntxt.h"
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#include "jsdbgapi.h"
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#include "jsfun.h"
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#include "jsinterp.h"
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#include "jsobj.h"
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#include "jsscript.h"
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#include "jsstaticcheck.h"
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#include "jsstr.h"
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#include "jsprobes.h"
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#include <sys/types.h>
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#define TYPEOF(cx,v) (JSVAL_IS_NULL(v) ? JSTYPE_NULL : JS_TypeOfValue(cx,v))
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using namespace js;
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const char Probes::nullName[] = "(null)";
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const char Probes::anonymousName[] = "(anonymous)";
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bool Probes::ProfilingActive = true;
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#ifdef INCLUDE_MOZILLA_DTRACE
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static const char *
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ScriptFilename(const JSScript *script)
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{
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if (!script)
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return Probes::nullName;
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if (!script->filename)
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return Probes::anonymousName;
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return script->filename;
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}
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static const char *
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FunctionName(JSContext *cx, const JSFunction *fun, JSAutoByteString* bytes)
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{
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if (!fun)
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return Probes::nullName;
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JSAtom *atom = const_cast<JSAtom*>(fun->atom);
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if (!atom)
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return Probes::anonymousName;
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return bytes->encode(cx, atom) ? bytes->ptr() : Probes::nullName;
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}
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static const char *
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FunctionClassname(const JSFunction *fun)
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{
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if (!fun || fun->isInterpreted())
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return Probes::nullName;
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if (!(fun->flags & JSFUN_TRCINFO) && fun->getConstructorClass())
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return fun->getConstructorClass()->name;
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return Probes::nullName;
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}
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/*
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* These functions call the DTrace macros for the JavaScript USDT probes.
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* Originally this code was inlined in the JavaScript code; however since
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* a number of operations are called, these have been placed into functions
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* to reduce any negative compiler optimization effect that the addition of
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* a number of usually unused lines of code would cause.
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*/
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void
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Probes::DTraceEnterJSFun(JSContext *cx, JSFunction *fun, JSScript *script)
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{
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JSAutoByteString funNameBytes;
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JAVASCRIPT_FUNCTION_ENTRY(ScriptFilename(script), FunctionClassname(fun),
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FunctionName(cx, fun, &funNameBytes));
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}
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void
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Probes::DTraceExitJSFun(JSContext *cx, JSFunction *fun, JSScript *script)
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{
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JSAutoByteString funNameBytes;
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JAVASCRIPT_FUNCTION_RETURN(ScriptFilename(script), FunctionClassname(fun),
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FunctionName(cx, fun, &funNameBytes));
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}
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#endif
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#ifdef MOZ_ETW
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static void
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current_location(JSContext *cx, int* lineno, char const **filename)
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{
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JSScript *script = js_GetCurrentScript(cx);
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if (! script) {
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*lineno = -1;
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*filename = "(uninitialized)";
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return;
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}
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*lineno = js_PCToLineNumber(cx, script, js_GetCurrentBytecodePC(cx));
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*filename = ScriptFilename(script);
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}
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/*
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* ETW (Event Tracing for Windows)
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*
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* These are here rather than in the .h file to avoid having to include
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* windows.h in a header.
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*/
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bool
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Probes::ETWCallTrackingActive(JSContext *cx)
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{
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return MCGEN_ENABLE_CHECK(MozillaSpiderMonkey_Context, EvtFunctionEntry);
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}
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bool
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Probes::ETWCreateRuntime(JSRuntime *rt)
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{
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static bool registered = false;
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if (!registered) {
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EventRegisterMozillaSpiderMonkey();
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registered = true;
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}
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return true;
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}
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bool
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Probes::ETWDestroyRuntime(JSRuntime *rt)
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{
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return true;
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}
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bool
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Probes::ETWShutdown()
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{
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EventUnregisterMozillaSpiderMonkey();
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return true;
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}
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bool
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Probes::ETWEnterJSFun(JSContext *cx, JSFunction *fun, JSScript *script, int counter)
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{
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int lineno = script ? script->lineno : -1;
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JSAutoByteString bytes;
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return (EventWriteEvtFunctionEntry(ScriptFilename(script), lineno,
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ObjectClassname((JSObject *)fun),
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FunctionName(cx, fun, &bytes)) == ERROR_SUCCESS);
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}
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bool
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Probes::ETWExitJSFun(JSContext *cx, JSFunction *fun, JSScript *script, int counter)
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{
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int lineno = script ? script->lineno : -1;
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JSAutoByteString bytes;
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return (EventWriteEvtFunctionExit(ScriptFilename(script), lineno,
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ObjectClassname((JSObject *)fun),
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FunctionName(cx, fun, &bytes)) == ERROR_SUCCESS);
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}
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bool
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Probes::ETWCreateObject(JSContext *cx, JSObject *obj)
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{
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int lineno;
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const char * script_filename;
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current_location(cx, &lineno, &script_filename);
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return EventWriteEvtObjectCreate(script_filename, lineno,
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ObjectClassname(obj), reinterpret_cast<JSUint64>(obj),
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obj ? obj->slotsAndStructSize() : 0) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWFinalizeObject(JSObject *obj)
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{
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return EventWriteEvtObjectFinalize(ObjectClassname(obj),
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reinterpret_cast<JSUint64>(obj)) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWResizeObject(JSContext *cx, JSObject *obj, size_t oldSize, size_t newSize)
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{
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int lineno;
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const char *script_filename;
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current_location(cx, &lineno, &script_filename);
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return EventWriteEvtObjectResize(script_filename, lineno,
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ObjectClassname(obj), reinterpret_cast<JSUint64>(obj),
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oldSize, newSize) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWCreateString(JSContext *cx, JSString *string, size_t length)
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{
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int lineno;
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const char *script_filename;
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current_location(cx, &lineno, &script_filename);
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return EventWriteEvtStringCreate(script_filename, lineno,
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reinterpret_cast<JSUint64>(string), length) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWFinalizeString(JSString *string)
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{
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return EventWriteEvtStringFinalize(reinterpret_cast<JSUint64>(string), string->length()) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWCompileScriptBegin(const char *filename, int lineno)
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{
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return EventWriteEvtScriptCompileBegin(filename, lineno) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWCompileScriptEnd(const char *filename, int lineno)
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{
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return EventWriteEvtScriptCompileEnd(filename, lineno) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWCalloutBegin(JSContext *cx, JSFunction *fun)
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{
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const char *script_filename;
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int lineno;
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JSAutoByteString bytes;
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current_location(cx, &lineno, &script_filename);
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return EventWriteEvtCalloutBegin(script_filename,
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lineno,
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ObjectClassname((JSObject *)fun),
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FunctionName(cx, fun, &bytes)) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWCalloutEnd(JSContext *cx, JSFunction *fun)
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{
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const char *script_filename;
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int lineno;
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JSAutoByteString bytes;
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current_location(cx, &lineno, &script_filename);
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return EventWriteEvtCalloutEnd(script_filename,
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lineno,
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ObjectClassname((JSObject *)fun),
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FunctionName(cx, fun, &bytes)) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWAcquireMemory(JSContext *cx, void *address, size_t nbytes)
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{
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return EventWriteEvtMemoryAcquire(reinterpret_cast<JSUint64>(cx->compartment),
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reinterpret_cast<JSUint64>(address),
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nbytes) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWReleaseMemory(JSContext *cx, void *address, size_t nbytes)
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{
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return EventWriteEvtMemoryRelease(reinterpret_cast<JSUint64>(cx->compartment),
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reinterpret_cast<JSUint64>(address),
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nbytes) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWGCStart(JSCompartment *compartment)
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{
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return EventWriteEvtGCStart(reinterpret_cast<JSUint64>(compartment)) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWGCEnd(JSCompartment *compartment)
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{
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return EventWriteEvtGCEnd(reinterpret_cast<JSUint64>(compartment)) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWGCStartMarkPhase(JSCompartment *compartment)
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{
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return EventWriteEvtGCStartMarkPhase(reinterpret_cast<JSUint64>(compartment)) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWGCEndMarkPhase(JSCompartment *compartment)
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{
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return EventWriteEvtGCEndMarkPhase(reinterpret_cast<JSUint64>(compartment)) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWGCStartSweepPhase(JSCompartment *compartment)
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{
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return EventWriteEvtGCStartSweepPhase(reinterpret_cast<JSUint64>(compartment)) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWGCEndSweepPhase(JSCompartment *compartment)
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{
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return EventWriteEvtGCEndSweepPhase(reinterpret_cast<JSUint64>(compartment)) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWCustomMark(JSString *string)
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{
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const jschar *chars = string->getCharsZ(NULL);
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return !chars || EventWriteEvtCustomString(chars) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWCustomMark(const char *string)
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{
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return EventWriteEvtCustomANSIString(string) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWCustomMark(int marker)
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{
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return EventWriteEvtCustomInt(marker) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWStartExecution(JSContext *cx, JSScript *script)
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{
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int lineno = script ? script->lineno : -1;
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return EventWriteEvtExecuteStart(ScriptFilename(script), lineno) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWStopExecution(JSContext *cx, JSScript *script)
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{
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int lineno = script ? script->lineno : -1;
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return EventWriteEvtExecuteDone(ScriptFilename(script), lineno) == ERROR_SUCCESS;
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}
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bool
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Probes::ETWResizeHeap(JSCompartment *compartment, size_t oldSize, size_t newSize)
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{
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return EventWriteEvtHeapResize(reinterpret_cast<JSUint64>(compartment),
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oldSize, newSize) == ERROR_SUCCESS;
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}
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#endif
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