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1 //===-- asan_init_version.h -------------------------------------*- C++ -*-===//
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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 AddressSanitizer, an address sanity checker.
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10 //
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11 // This header defines a versioned __asan_init function to be called at the
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12 // startup of the instrumented program.
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13 //===----------------------------------------------------------------------===//
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14 #ifndef ASAN_INIT_VERSION_H
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15 #define ASAN_INIT_VERSION_H
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16
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17 #include "sanitizer_common/sanitizer_platform.h"
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18
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19 extern "C" {
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20 // Every time the ASan ABI changes we also change the version number in the
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21 // __asan_init function name. Objects built with incompatible ASan ABI
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22 // versions will not link with run-time.
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23 //
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24 // Changes between ABI versions:
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25 // v1=>v2: added 'module_name' to __asan_global
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26 // v2=>v3: stack frame description (created by the compiler)
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27 // contains the function PC as the 3rd field (see
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28 // DescribeAddressIfStack)
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29 // v3=>v4: added '__asan_global_source_location' to __asan_global
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30 // v4=>v5: changed the semantics and format of __asan_stack_malloc_ and
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31 // __asan_stack_free_ functions
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32 // v5=>v6: changed the name of the version check symbol
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33 // v6=>v7: added 'odr_indicator' to __asan_global
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34 // v7=>v8: added '__asan_(un)register_image_globals' functions for dead
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35 // stripping support on Mach-O platforms
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36 #if SANITIZER_WORDSIZE == 32 && SANITIZER_ANDROID
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37 // v8=>v9: 32-bit Android switched to dynamic shadow
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38 #define __asan_version_mismatch_check __asan_version_mismatch_check_v9
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39 #else
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40 #define __asan_version_mismatch_check __asan_version_mismatch_check_v8
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41 #endif
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42 }
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43
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44 #endif // ASAN_INIT_VERSION_H
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