55 // protector pass to store the stack guard (see getStackCookieLocation()
116 inline void *unsafe_stack_alloc(size_t size, size_t guard) {  in unsafe_stack_alloc()  argument
117   SFS_CHECK(size + guard >= size);  in unsafe_stack_alloc()
118   void *addr = Mmap(nullptr, size + guard, PROT_READ | PROT_WRITE,  in unsafe_stack_alloc()
121   Mprotect(addr, guard, PROT_NONE);  in unsafe_stack_alloc()
122   return (char *)addr + guard;  in unsafe_stack_alloc()
125 inline void unsafe_stack_setup(void *start, size_t size, size_t guard) {  in unsafe_stack_setup()  argument
127   SFS_CHECK((char *)start + guard >= (char *)start);  in unsafe_stack_setup()
134   unsafe_stack_guard = guard;  in unsafe_stack_setup()
238   size_t guard = 0;  in INTERCEPTOR()  local
242     pthread_attr_getguardsize(attr, &guard);  in INTERCEPTOR()
248     pthread_attr_getguardsize(&tmpattr, &guard);  in INTERCEPTOR()
266   void *addr = unsafe_stack_alloc(size, guard);  in INTERCEPTOR()
267   // Put tinfo at the end of the buffer. guard may be not page aligned.  in INTERCEPTOR()
275   tinfo->unsafe_stack_guard = guard;  in INTERCEPTOR()
304   size_t guard = 4096;  in __safestack_init()  local
311   void *addr = unsafe_stack_alloc(size, guard);  in __safestack_init()
312   unsafe_stack_setup(addr, size, guard);  in __safestack_init()