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https://github.com/dart-lang/sdk
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ac06671ac6
This reverts commit c7b288492a.
Reason for revert: breaks tests in G3, b/287581831
Original change's description:
> [vm] Mark Zone memory as unallocated/allocated/uninitialized for Address and Memory Sanitizer.
>
> TEST=ci
> Change-Id: Ia283d9aefec767e6ccc4f1c88abba73ce1c35e87
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/212022
> Reviewed-by: Brian Quinlan <bquinlan@google.com>
> Commit-Queue: Ryan Macnak <rmacnak@google.com>
Change-Id: I94ce2141e7b16c8e4be6641253e37dfa82698486
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/309861
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Ilya Yanok <yanok@google.com>
Reviewed-by: Alexander Thomas <athom@google.com>
41 lines
1.9 KiB
C
41 lines
1.9 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_MEMORY_SANITIZER_H_
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#define RUNTIME_PLATFORM_MEMORY_SANITIZER_H_
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#include "platform/globals.h"
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// Allow the use of Msan (MemorySanitizer). This is needed as Msan needs to be
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// told about areas that are initialized by generated code.
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#if defined(__has_feature)
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#if __has_feature(memory_sanitizer)
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#define USING_MEMORY_SANITIZER
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#endif
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#endif
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#if defined(USING_MEMORY_SANITIZER)
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extern "C" void __msan_poison(const volatile void*, size_t);
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extern "C" void __msan_unpoison(const volatile void*, size_t);
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extern "C" void __msan_unpoison_param(size_t);
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extern "C" void __msan_check_mem_is_initialized(const volatile void*, size_t);
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#define MSAN_POISON(ptr, len) __msan_poison(ptr, len)
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#define MSAN_UNPOISON(ptr, len) __msan_unpoison(ptr, len)
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#define MSAN_CHECK_INITIALIZED(ptr, len) \
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__msan_check_mem_is_initialized(ptr, len)
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#define NO_SANITIZE_MEMORY __attribute__((no_sanitize("memory")))
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#else // defined(USING_MEMORY_SANITIZER)
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#define MSAN_POISON(ptr, len) \
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do { \
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} while (false && (ptr) == nullptr && (len) == 0)
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#define MSAN_UNPOISON(ptr, len) \
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do { \
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} while (false && (ptr) == nullptr && (len) == 0)
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#define MSAN_CHECK_INITIALIZED(ptr, len) \
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do { \
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} while (false && (ptr) == nullptr && (len) == 0)
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#endif // defined(USING_MEMORY_SANITIZER)
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#endif // RUNTIME_PLATFORM_MEMORY_SANITIZER_H_
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