1 //===-- asan_malloc_mac.cc ------------------------------------------------===// 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 // Mac-specific malloc interception. 11 //===----------------------------------------------------------------------===// 12 13 #include "sanitizer_common/sanitizer_platform.h" 14 #if SANITIZER_MAC 15 16 #include "asan_interceptors.h" 17 #include "asan_report.h" 18 #include "asan_stack.h" 19 #include "asan_stats.h" 20 21 using namespace __asan; 22 #define COMMON_MALLOC_ZONE_NAME "asan" 23 #define COMMON_MALLOC_ENTER() ENSURE_ASAN_INITED() 24 #define COMMON_MALLOC_SANITIZER_INITIALIZED asan_inited 25 #define COMMON_MALLOC_FORCE_LOCK() asan_mz_force_lock() 26 #define COMMON_MALLOC_FORCE_UNLOCK() asan_mz_force_unlock() 27 #define COMMON_MALLOC_MEMALIGN(alignment, size) \ 28 GET_STACK_TRACE_MALLOC; \ 29 void *p = asan_memalign(alignment, size, &stack, FROM_MALLOC) 30 #define COMMON_MALLOC_MALLOC(size) \ 31 GET_STACK_TRACE_MALLOC; \ 32 void *p = asan_malloc(size, &stack) 33 #define COMMON_MALLOC_REALLOC(ptr, size) \ 34 GET_STACK_TRACE_MALLOC; \ 35 void *p = asan_realloc(ptr, size, &stack); 36 #define COMMON_MALLOC_CALLOC(count, size) \ 37 GET_STACK_TRACE_MALLOC; \ 38 void *p = asan_calloc(count, size, &stack); 39 #define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size) \ 40 GET_STACK_TRACE_MALLOC; \ 41 int res = asan_posix_memalign(memptr, alignment, size, &stack); 42 #define COMMON_MALLOC_VALLOC(size) \ 43 GET_STACK_TRACE_MALLOC; \ 44 void *p = asan_memalign(GetPageSizeCached(), size, &stack, FROM_MALLOC); 45 #define COMMON_MALLOC_FREE(ptr) \ 46 GET_STACK_TRACE_FREE; \ 47 asan_free(ptr, &stack, FROM_MALLOC); 48 #define COMMON_MALLOC_SIZE(ptr) \ 49 uptr size = asan_mz_size(ptr); 50 #define COMMON_MALLOC_FILL_STATS(zone, stats) \ 51 AsanMallocStats malloc_stats; \ 52 FillMallocStatistics(&malloc_stats); \ 53 CHECK(sizeof(malloc_statistics_t) == sizeof(AsanMallocStats)); \ 54 internal_memcpy(stats, &malloc_stats, sizeof(malloc_statistics_t)); 55 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \ 56 GET_STACK_TRACE_FREE; \ 57 ReportMacMzReallocUnknown((uptr)ptr, (uptr)zone_ptr, zone_name, &stack); 58 #define COMMON_MALLOC_NAMESPACE __asan 59 60 #include "sanitizer_common/sanitizer_malloc_mac.inc" 61 62 #endif 63