libsanitizer/asan/asan_malloc_local.h

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