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75747ff40f
MFBT_API is not the right macro for this; it changes the affected definition/usage to a weak symbol, for reasons explained in the comments on its definition. This was causing the linker to drop the dependency from libmozglue to libmozsandbox, in some cases (--as-needed, with a linker that doesn't consider weak symbols "needed"), and thus load libxul with gSandboxCrashFunc relocated to address 0 (the expected behavior of an unresolved weak symbol), which caused crashes when writing to it on startup. --HG-- extra : amend_source : b99fded391ae90b1311f4cabaf40f15e6414f245
25 lines
770 B
C++
25 lines
770 B
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_SandboxInternal_h
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#define mozilla_SandboxInternal_h
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// The code in Sandbox.cpp can't link against libxul, where
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// SandboxCrash.cpp lives, so it has to use a callback, defined here.
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#include <signal.h>
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#include "mozilla/Types.h"
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namespace mozilla {
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typedef void (*SandboxCrashFunc)(int, siginfo_t*, void*);
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extern MOZ_EXPORT SandboxCrashFunc gSandboxCrashFunc;
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} // namespace mozilla
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#endif // mozilla_SandboxInternal_h
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