libsanitizer/hwasan/hwasan_thread_list.cpp

   1 #include "hwasan_thread_list.h"
   2
   3 #include "sanitizer_common/sanitizer_thread_arg_retval.h"
   4
   5 namespace __hwasan {
   6
   7 static HwasanThreadList *hwasan_thread_list;
   8 static ThreadArgRetval *thread_data;
   9
  10 HwasanThreadList &hwasanThreadList() { return *hwasan_thread_list; }
  11 ThreadArgRetval &hwasanThreadArgRetval() { return *thread_data; }
  12
  13 void InitThreadList(uptr storage, uptr size) {
  14   CHECK_EQ(hwasan_thread_list, nullptr);
  15
  16   static ALIGNED(alignof(
  17       HwasanThreadList)) char thread_list_placeholder[sizeof(HwasanThreadList)];
  18   hwasan_thread_list =
  19       new (thread_list_placeholder) HwasanThreadList(storage, size);
  20
  21   CHECK_EQ(thread_data, nullptr);
  22
  23   static ALIGNED(alignof(
  24       ThreadArgRetval)) char thread_data_placeholder[sizeof(ThreadArgRetval)];
  25   thread_data = new (thread_data_placeholder) ThreadArgRetval();
  26 }
  27
  28 }  // namespace __hwasan