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SSL hidePointer.cppSprache: C |
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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/. */ #include "mozilla/Atomics.h" // This is an attempt to hide pointer values from the C++ compiler. This might // not stand up in the presence of PGO but that's probably not important. // g_hidden_pointer is public so that it's limited what the compiler can assume // about it, and atomic so that we don't run afoul of the compiler's UB // analysis. mozilla::Atomic<void*> g_hidden_pointer; // Call this to install a pointer into the global. MOZ_NEVER_INLINE void setHiddenPointer(void* p) { g_hidden_pointer = p; } // Call this to retrieve the pointer. MOZ_NEVER_INLINE void* getHiddenPointer() { return g_hidden_pointer; }
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2026-05-26