mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-26 21:50:53 +00:00
74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
/*
|
|
* Copyright (C) 2015 Apple Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "ExecutableAllocationFuzz.h"
|
|
|
|
#include "TestRunnerUtils.h"
|
|
#include <wtf/Atomics.h>
|
|
#include <wtf/DataLog.h>
|
|
|
|
namespace JSC {
|
|
|
|
static Atomic<unsigned> s_numberOfExecutableAllocationFuzzChecks;
|
|
unsigned numberOfExecutableAllocationFuzzChecks()
|
|
{
|
|
return s_numberOfExecutableAllocationFuzzChecks.load();
|
|
}
|
|
|
|
ExecutableAllocationFuzzResult doExecutableAllocationFuzzing()
|
|
{
|
|
ASSERT(Options::useExecutableAllocationFuzz());
|
|
|
|
unsigned oldValue;
|
|
unsigned newValue;
|
|
do {
|
|
oldValue = s_numberOfExecutableAllocationFuzzChecks.load();
|
|
newValue = oldValue + 1;
|
|
} while (!s_numberOfExecutableAllocationFuzzChecks.compareExchangeWeak(oldValue, newValue));
|
|
|
|
if (newValue == Options::fireExecutableAllocationFuzzAt()) {
|
|
if (Options::verboseExecutableAllocationFuzz()) {
|
|
dataLog("Will pretend to fail executable allocation.\n");
|
|
WTFReportBacktrace();
|
|
}
|
|
return PretendToFailExecutableAllocation;
|
|
}
|
|
|
|
if (Options::fireExecutableAllocationFuzzAtOrAfter()
|
|
&& newValue >= Options::fireExecutableAllocationFuzzAtOrAfter()) {
|
|
if (Options::verboseExecutableAllocationFuzz()) {
|
|
dataLog("Will pretend to fail executable allocation.\n");
|
|
WTFReportBacktrace();
|
|
}
|
|
return PretendToFailExecutableAllocation;
|
|
}
|
|
|
|
return AllowNormalExecutableAllocation;
|
|
}
|
|
|
|
} // namespace JSC
|
|
|