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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* 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 "vm/JSContext.h"
#include "vm/JSScript-inl.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->geckoProfiler().enabled()) {
if (!cx->geckoProfiler().enter(cx, script)) {
return false;
}
MOZ_ASSERT_IF(!fp->script()->isGenerator() && !fp->script()->isAsync(),
!fp->hasPushedGeckoProfilerFrame());
fp->setPushedGeckoProfilerFrame();
}
return true;
}
inline void probes::ExitScript(JSContext* cx, JSScript* script,
JSFunction* maybeFun, bool popProfilerFrame) {
#ifdef INCLUDE_MOZILLA_DTRACE
if (JAVASCRIPT_FUNCTION_RETURN_ENABLED()) {
DTraceExitJSFun(cx, maybeFun, script);
}
#endif
if (popProfilerFrame) {
cx->geckoProfiler().exit(cx, script);
}
}
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 */