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      1 //===-- asan_malloc_mac.cc ------------------------------------------------===//
      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 // Mac-specific malloc interception.
     13 //===----------------------------------------------------------------------===//
     14 
     15 #include "sanitizer_common/sanitizer_platform.h"
     16 #if SANITIZER_MAC
     17 
     18 #include "asan_interceptors.h"
     19 #include "asan_report.h"
     20 #include "asan_stack.h"
     21 #include "asan_stats.h"
     22 
     23 using namespace __asan;
     24 #define COMMON_MALLOC_ZONE_NAME "asan"
     25 #define COMMON_MALLOC_ENTER() ENSURE_ASAN_INITED()
     26 #define COMMON_MALLOC_SANITIZER_INITIALIZED asan_inited
     27 #define COMMON_MALLOC_FORCE_LOCK() asan_mz_force_lock()
     28 #define COMMON_MALLOC_FORCE_UNLOCK() asan_mz_force_unlock()
     29 #define COMMON_MALLOC_MEMALIGN(alignment, size) \
     30   GET_STACK_TRACE_MALLOC; \
     31   void *p = asan_memalign(alignment, size, &stack, FROM_MALLOC)
     32 #define COMMON_MALLOC_MALLOC(size) \
     33   GET_STACK_TRACE_MALLOC; \
     34   void *p = asan_malloc(size, &stack)
     35 #define COMMON_MALLOC_REALLOC(ptr, size) \
     36   GET_STACK_TRACE_MALLOC; \
     37   void *p = asan_realloc(ptr, size, &stack);
     38 #define COMMON_MALLOC_CALLOC(count, size) \
     39   GET_STACK_TRACE_MALLOC; \
     40   void *p = asan_calloc(count, size, &stack);
     41 #define COMMON_MALLOC_VALLOC(size) \
     42   GET_STACK_TRACE_MALLOC; \
     43   void *p = asan_memalign(GetPageSizeCached(), size, &stack, FROM_MALLOC);
     44 #define COMMON_MALLOC_FREE(ptr) \
     45   GET_STACK_TRACE_FREE; \
     46   asan_free(ptr, &stack, FROM_MALLOC);
     47 #define COMMON_MALLOC_SIZE(ptr) \
     48   uptr size = asan_mz_size(ptr);
     49 #define COMMON_MALLOC_FILL_STATS(zone, stats) \
     50   AsanMallocStats malloc_stats; \
     51   FillMallocStatistics(&malloc_stats); \
     52   CHECK(sizeof(malloc_statistics_t) == sizeof(AsanMallocStats)); \
     53   internal_memcpy(stats, &malloc_stats, sizeof(malloc_statistics_t));
     54 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
     55   GET_STACK_TRACE_FREE; \
     56   ReportMacMzReallocUnknown((uptr)ptr, (uptr)zone_ptr, zone_name, &stack);
     57 #define COMMON_MALLOC_NAMESPACE __asan
     58 
     59 #include "sanitizer_common/sanitizer_malloc_mac.inc"
     60 
     61 #endif
     62