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031069d2bd
Change-Id: Ib0d78965ba5ccb1fa2b084d82b2bb79485b7900f Reviewed-on: https://dart-review.googlesource.com/12780 Commit-Queue: Ryan Macnak <rmacnak@google.com> Reviewed-by: Zach Anderson <zra@google.com>
41 lines
2 KiB
C
41 lines
2 KiB
C
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_PLATFORM_ADDRESS_SANITIZER_H_
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#define RUNTIME_PLATFORM_ADDRESS_SANITIZER_H_
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#include "platform/globals.h"
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// Allow the use of ASan (AddressSanitizer). This is needed as ASan needs to be
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// told about areas where the VM does the equivalent of a long-jump.
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#if defined(__has_feature)
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#if __has_feature(address_sanitizer)
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#define USING_ADDRESS_SANITIZER
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#endif
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#endif
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#if defined(USING_ADDRESS_SANITIZER)
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extern "C" void __asan_unpoison_memory_region(void*, size_t);
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extern "C" void __lsan_register_root_region(const void* p, size_t size);
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extern "C" void __lsan_unregister_root_region(const void* p, size_t size);
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#define NO_SANITIZE_ADDRESS __attribute__((no_sanitize_address))
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#define ASAN_UNPOISON(ptr, len) __asan_unpoison_memory_region(ptr, len)
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#define LSAN_REGISTER_ROOT_REGION(ptr, len) \
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__lsan_register_root_region(ptr, len)
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#define LSAN_UNREGISTER_ROOT_REGION(ptr, len) \
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__lsan_unregister_root_region(ptr, len)
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#else // __has_feature(address_sanitizer)
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#define NO_SANITIZE_ADDRESS
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#define ASAN_UNPOISON(ptr, len) \
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do { \
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} while (false && (ptr) == 0 && (len) == 0)
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#define LSAN_REGISTER_ROOT_REGION(ptr, len) \
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do { \
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} while (false && (ptr) == 0 && (len) == 0)
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#define LSAN_UNREGISTER_ROOT_REGION(ptr, len) \
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do { \
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} while (false && (ptr) == 0 && (len) == 0)
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#endif // defined(USING_ADDRESS_SANITIZER)
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#endif // RUNTIME_PLATFORM_ADDRESS_SANITIZER_H_
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