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      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.
     23 static INLINE bool EarlyMalloc() {
     24   return SANITIZER_RTEMS && (!__asan::asan_inited ||
     25                              __asan::asan_init_is_running);
     26 }
     27 
     28 void* MemalignFromLocalPool(uptr alignment, uptr size);
     29 
     30 #if SANITIZER_RTEMS
     31 
     32 bool 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