32 lines
1.2 KiB
C++
32 lines
1.2 KiB
C++
//===-- asan_win_uar_thunk.cc ---------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of AddressSanitizer, an address sanity checker.
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//
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// This file defines a copy of __asan_option_detect_stack_use_after_return that
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// should be used when linking an MD runtime with a set of object files on
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// Windows.
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//
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// The ASan MD runtime dllexports this variable, so normally we would dllimport
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// it in each TU. Unfortunately, in general we don't know
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// if a given TU is going to be used with a MT or MD runtime.
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//===----------------------------------------------------------------------===//
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// Only compile this code when buidling asan_uar_thunk.lib
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// Using #ifdef rather than relying on Makefiles etc.
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// simplifies the build procedure.
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#ifdef ASAN_UAR_THUNK
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extern "C" {
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__declspec(dllimport) int __asan_should_detect_stack_use_after_return();
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int __asan_option_detect_stack_use_after_return =
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__asan_should_detect_stack_use_after_return();
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}
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#endif // ASAN_UAR_THUNK
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