asan_malloc_local.h revision 341825 
1//===-- asan_malloc_local.h -------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file is a part of AddressSanitizer, an address sanity checker.
11//
12// Provide interfaces to check for and handle local pool memory allocation.
13//===----------------------------------------------------------------------===//
14
15#ifndef ASAN_MALLOC_LOCAL_H
16#define ASAN_MALLOC_LOCAL_H
17
18#include "sanitizer_common/sanitizer_platform.h"
19#include "asan_internal.h"
20
21// On RTEMS, we use the local pool to handle memory allocation when the ASan
22// run-time is not up.
23static INLINE bool EarlyMalloc() {
24  return SANITIZER_RTEMS && (!__asan::asan_inited ||
25                             __asan::asan_init_is_running);
26}
27
28void* MemalignFromLocalPool(uptr alignment, uptr size);
29
30#if SANITIZER_RTEMS
31
32bool IsFromLocalPool(const void *ptr);
33
34#define ALLOCATE_FROM_LOCAL_POOL UNLIKELY(EarlyMalloc())
35#define IS_FROM_LOCAL_POOL(ptr) UNLIKELY(IsFromLocalPool(ptr))
36
37#else  // SANITIZER_RTEMS
38
39#define ALLOCATE_FROM_LOCAL_POOL 0
40#define IS_FROM_LOCAL_POOL(ptr) 0
41
42#endif  // SANITIZER_RTEMS
43
44#endif  // ASAN_MALLOC_LOCAL_H
45