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1 //===-- tsan_malloc_mac.cpp -----------------------------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8 //
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9 // This file is a part of ThreadSanitizer (TSan), a race detector.
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10 //
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11 // Mac-specific malloc interception.
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12 //===----------------------------------------------------------------------===//
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13
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14 #include "sanitizer_common/sanitizer_platform.h"
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15 #if SANITIZER_MAC
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16
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17 #include "sanitizer_common/sanitizer_errno.h"
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18 #include "tsan_interceptors.h"
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19 #include "tsan_stack_trace.h"
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20
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21 using namespace __tsan;
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22 #define COMMON_MALLOC_ZONE_NAME "tsan"
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23 #define COMMON_MALLOC_ENTER()
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24 #define COMMON_MALLOC_SANITIZER_INITIALIZED (cur_thread()->is_inited)
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25 #define COMMON_MALLOC_FORCE_LOCK()
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26 #define COMMON_MALLOC_FORCE_UNLOCK()
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27 #define COMMON_MALLOC_MEMALIGN(alignment, size) \
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28 void *p = \
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29 user_memalign(cur_thread(), StackTrace::GetCurrentPc(), alignment, size)
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30 #define COMMON_MALLOC_MALLOC(size) \
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31 if (in_symbolizer()) return InternalAlloc(size); \
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32 SCOPED_INTERCEPTOR_RAW(malloc, size); \
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33 void *p = user_alloc(thr, pc, size)
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34 #define COMMON_MALLOC_REALLOC(ptr, size) \
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35 if (in_symbolizer()) return InternalRealloc(ptr, size); \
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36 SCOPED_INTERCEPTOR_RAW(realloc, ptr, size); \
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37 void *p = user_realloc(thr, pc, ptr, size)
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38 #define COMMON_MALLOC_CALLOC(count, size) \
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39 if (in_symbolizer()) return InternalCalloc(count, size); \
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40 SCOPED_INTERCEPTOR_RAW(calloc, size, count); \
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41 void *p = user_calloc(thr, pc, size, count)
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42 #define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size) \
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43 if (in_symbolizer()) { \
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44 void *p = InternalAlloc(size, nullptr, alignment); \
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45 if (!p) return errno_ENOMEM; \
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46 *memptr = p; \
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47 return 0; \
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48 } \
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49 SCOPED_INTERCEPTOR_RAW(posix_memalign, memptr, alignment, size); \
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50 int res = user_posix_memalign(thr, pc, memptr, alignment, size);
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51 #define COMMON_MALLOC_VALLOC(size) \
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52 if (in_symbolizer()) \
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53 return InternalAlloc(size, nullptr, GetPageSizeCached()); \
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54 SCOPED_INTERCEPTOR_RAW(valloc, size); \
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55 void *p = user_valloc(thr, pc, size)
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56 #define COMMON_MALLOC_FREE(ptr) \
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57 if (in_symbolizer()) return InternalFree(ptr); \
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58 SCOPED_INTERCEPTOR_RAW(free, ptr); \
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59 user_free(thr, pc, ptr)
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60 #define COMMON_MALLOC_SIZE(ptr) uptr size = user_alloc_usable_size(ptr);
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61 #define COMMON_MALLOC_FILL_STATS(zone, stats)
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62 #define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
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63 (void)zone_name; \
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64 Report("mz_realloc(%p) -- attempting to realloc unallocated memory.\n", ptr);
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65 #define COMMON_MALLOC_NAMESPACE __tsan
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66 #define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0
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67 #define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 0
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68
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69 #include "sanitizer_common/sanitizer_malloc_mac.inc"
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70
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71 #endif
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