| //===-- tsan_mman.h ---------------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file is a part of ThreadSanitizer (TSan), a race detector. |
| // |
| //===----------------------------------------------------------------------===// |
| #ifndef TSAN_MMAN_H |
| #define TSAN_MMAN_H |
| |
| #include "tsan_defs.h" |
| |
| namespace __tsan { |
| |
| const uptr kDefaultAlignment = 16; |
| |
| void InitializeAllocator(); |
| void InitializeAllocatorLate(); |
| void ReplaceSystemMalloc(); |
| void AllocatorProcStart(Processor *proc); |
| void AllocatorProcFinish(Processor *proc); |
| void AllocatorPrintStats(); |
| |
| // For user allocations. |
| void *user_alloc_internal(ThreadState *thr, uptr pc, uptr sz, |
| uptr align = kDefaultAlignment, bool signal = true); |
| // Does not accept NULL. |
| void user_free(ThreadState *thr, uptr pc, void *p, bool signal = true); |
| // Interceptor implementations. |
| void *user_alloc(ThreadState *thr, uptr pc, uptr sz); |
| void *user_calloc(ThreadState *thr, uptr pc, uptr sz, uptr n); |
| void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz); |
| void *user_reallocarray(ThreadState *thr, uptr pc, void *p, uptr sz, uptr n); |
| void *user_memalign(ThreadState *thr, uptr pc, uptr align, uptr sz); |
| int user_posix_memalign(ThreadState *thr, uptr pc, void **memptr, uptr align, |
| uptr sz); |
| void *user_aligned_alloc(ThreadState *thr, uptr pc, uptr align, uptr sz); |
| void *user_valloc(ThreadState *thr, uptr pc, uptr sz); |
| void *user_pvalloc(ThreadState *thr, uptr pc, uptr sz); |
| uptr user_alloc_usable_size(const void *p); |
| |
| // Invoking malloc/free hooks that may be installed by the user. |
| void invoke_malloc_hook(void *ptr, uptr size); |
| void invoke_free_hook(void *ptr); |
| |
| // For internal data structures. |
| void *Alloc(uptr sz); |
| void FreeImpl(void *p); |
| |
| template <typename T, typename... Args> |
| T *New(Args &&...args) { |
| return new (Alloc(sizeof(T))) T(static_cast<Args &&>(args)...); |
| } |
| |
| template <typename T> |
| void Free(T *&p) { |
| if (p == nullptr) |
| return; |
| FreeImpl(p); |
| p = nullptr; |
| } |
| |
| template <typename T> |
| void DestroyAndFree(T *&p) { |
| if (p == nullptr) |
| return; |
| p->~T(); |
| Free(p); |
| } |
| |
| } // namespace __tsan |
| #endif // TSAN_MMAN_H |