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Lines Matching defs:guard

83 // protector pass to store the stack guard (see getStackCookieLocation()
101 static inline void *unsafe_stack_alloc(size_t size, size_t guard) {
102   CHECK_GE(size + guard, size);
103   void *addr = MmapOrDie(size + guard, "unsafe_stack_alloc");
104   MprotectNoAccess((uptr)addr, (uptr)guard);
105   return (char *)addr + guard;
108 static inline void unsafe_stack_setup(void *start, size_t size, size_t guard) {
110   CHECK_GE((char *)start + guard, (char *)start);
117   unsafe_stack_guard = guard;
223   size_t guard = 0;
227     pthread_attr_getguardsize(attr, &guard);
233     pthread_attr_getguardsize(&tmpattr, &guard);
239   CHECK_EQ((guard & (pageSize - 1)), 0);
241   void *addr = unsafe_stack_alloc(size, guard);
248   tinfo->unsafe_stack_guard = guard;
274   size_t guard = 4096;
281   void *addr = unsafe_stack_alloc(size, guard);
283   unsafe_stack_setup(addr, size, guard);