| 1 | //===-- hwasan_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 HWAddressSanitizer, an address sanity checker. |
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| 10 | // |
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| 11 | // Call __hwasan_init at the very early stage of process startup. |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | #include "hwasan_interface_internal.h" |
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| 14 | #include "sanitizer_common/sanitizer_internal_defs.h" |
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| 15 | |
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| 16 | #if SANITIZER_CAN_USE_PREINIT_ARRAY |
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| 17 | // The symbol is called __local_hwasan_preinit, because it's not intended to |
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| 18 | // be exported. |
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| 19 | // This code linked into the main executable when -fsanitize=hwaddress is in |
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| 20 | // the link flags. It can only use exported interface functions. |
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| 21 | __attribute__((section(".preinit_array" ), used)) static void ( |
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| 22 | *__local_hwasan_preinit)(void) = __hwasan_init; |
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| 23 | #endif |
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| 24 | |
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