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