mirror of
https://github.com/dart-lang/sdk
synced 2024-11-02 15:01:30 +00:00
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>
40 lines
1.9 KiB
C
40 lines
1.9 KiB
C
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#ifndef RUNTIME_PLATFORM_MEMORY_SANITIZER_H_
|
|
#define RUNTIME_PLATFORM_MEMORY_SANITIZER_H_
|
|
|
|
#include "platform/globals.h"
|
|
|
|
// Allow the use of Msan (MemorySanitizer). This is needed as Msan needs to be
|
|
// told about areas that are initialized by generated code.
|
|
#if defined(__has_feature)
|
|
#if __has_feature(memory_sanitizer)
|
|
#define USING_MEMORY_SANITIZER
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(USING_MEMORY_SANITIZER)
|
|
extern "C" void __msan_poison(const volatile void*, size_t);
|
|
extern "C" void __msan_unpoison(const volatile void*, size_t);
|
|
extern "C" void __msan_unpoison_param(size_t);
|
|
extern "C" void __msan_check_mem_is_initialized(const volatile void*, size_t);
|
|
#define MSAN_POISON(ptr, len) __msan_poison(ptr, len)
|
|
#define MSAN_UNPOISON(ptr, len) __msan_unpoison(ptr, len)
|
|
#define MSAN_CHECK_INITIALIZED(ptr, len) \
|
|
__msan_check_mem_is_initialized(ptr, len)
|
|
#define NO_SANITIZE_MEMORY __attribute__((no_sanitize("memory")))
|
|
#else // defined(USING_MEMORY_SANITIZER)
|
|
#define MSAN_POISON(ptr, len) \
|
|
do { \
|
|
} while (false && (ptr) == nullptr && (len) == 0)
|
|
#define MSAN_UNPOISON(ptr, len) \
|
|
do { \
|
|
} while (false && (ptr) == nullptr && (len) == 0)
|
|
#define MSAN_CHECK_INITIALIZED(ptr, len) \
|
|
do { \
|
|
} while (false && (ptr) == nullptr && (len) == 0)
|
|
#endif // defined(USING_MEMORY_SANITIZER)
|
|
|
|
#endif // RUNTIME_PLATFORM_MEMORY_SANITIZER_H_
|