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1 //===-- tsan_preinit.cpp --------------------------------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8 //
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9 // This file is a part of ThreadSanitizer.
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10 //
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11 // Call __tsan_init at the very early stage of process startup.
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12 //===----------------------------------------------------------------------===//
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13
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14 #include "sanitizer_common/sanitizer_internal_defs.h"
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15 #include "tsan_interface.h"
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16
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17 #if SANITIZER_CAN_USE_PREINIT_ARRAY
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18
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19 // The symbol is called __local_tsan_preinit, because it's not intended to be
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20 // exported.
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21 // This code linked into the main executable when -fsanitize=thread is in
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22 // the link flags. It can only use exported interface functions.
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23 __attribute__((section(".preinit_array"), used))
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24 void (*__local_tsan_preinit)(void) = __tsan_init;
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25
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26 #endif
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