28 // used to always find the hwasan thread object associated with the current
29 // running thread.
58 // These are known parameters passed to the hwasan runtime on thread creation.
59 struct Thread::InitState {
63 static void FinishThreadInitialization(Thread *thread);
77   // Create the hwasan thread object for the current (main) thread. Stack info  in InitThreads()
78   // for this thread is known from information passed via  in InitThreads()
80   const Thread::InitState state = {  in InitThreads()
90 // This is called from the parent thread before the new thread is created. Here
91 // we can propagate known info like the stack bounds to Thread::Init before
92 // jumping into the thread. We cannot initialize the stack ring buffer yet since
93 // we have not entered the new thread.
97   const Thread::InitState state = {  in BeforeThreadCreateHook()
106 void Thread::InitStackAndTls(const InitState *state) {  in InitStackAndTls()
114 // This is called after creating a new thread with the pointer returned by
115 // BeforeThreadCreateHook. We are still in the creating thread and should check
118   Thread *thread = static_cast<Thread *>(hook);  in ThreadCreateHook()  local
120     // The thread was created successfully.  in ThreadCreateHook()
121     // ThreadStartHook can already be running in the new thread.  in ThreadCreateHook()
123     // The thread wasn't created after all.  in ThreadCreateHook()
126     hwasanThreadList().ReleaseThread(thread);  in ThreadCreateHook()
130 // This is called in the newly-created thread before it runs anything else,
134   Thread *thread = static_cast<Thread *>(hook);  in ThreadStartHook()  local
135   FinishThreadInitialization(thread);  in ThreadStartHook()
136   thread->EnsureRandomStateInited();  in ThreadStartHook()
140 // GetCurrentThread. This function should only be called while IN the thread
141 // that we want to create the hwasan thread object for so __hwasan_tls can be
143 static void FinishThreadInitialization(Thread *thread) {  in FinishThreadInitialization()  argument
144   CHECK_NE(thread, nullptr);  in FinishThreadInitialization()
146   // The ring buffer is located immediately before the thread object.  in FinishThreadInitialization()
148   uptr stack_buffer_start = reinterpret_cast<uptr>(thread) - stack_buffer_size;  in FinishThreadInitialization()
149   thread->InitStackRingBuffer(stack_buffer_start, stack_buffer_size);  in FinishThreadInitialization()
153   Thread *thread = static_cast<Thread *>(hook);  in ThreadExitHook()  local
155   hwasanThreadList().ReleaseThread(thread);  in ThreadExitHook()
175 // TSD was normally used on linux as a means of calling the hwasan thread exit
215 void *__sanitizer_before_thread_create_hook(thrd_t thread, bool detached,  in __sanitizer_before_thread_create_hook()  argument
219       reinterpret_cast<uptr>(thread), detached, name,  in __sanitizer_before_thread_create_hook()
223 void __sanitizer_thread_create_hook(void *hook, thrd_t thread, int error) {  in __sanitizer_thread_create_hook()  argument