tests/main_stack_legacy.c

   1 #include <stdlib.h>
   2 #include <pthread.h>
   3 #include <darwintest.h>
   4 #include <machine/vmparam.h>
   5
   6 T_DECL(main_stack_legacy, "tests the reported values for a custom main thread stack",
   7            T_META_CHECK_LEAKS(NO))
   8 {
   9         T_EXPECT_LT((uintptr_t)0, pthread_get_stacksize_np(pthread_self()), NULL);
  10
  11         const uintptr_t stackaddr = (uintptr_t)pthread_get_stackaddr_np(pthread_self());
  12         size_t stacksize = pthread_get_stacksize_np(pthread_self());
  13         T_LOG("stack: %zx -> %zx (+%zx)", stackaddr - stacksize, stackaddr, stacksize);
  14         T_EXPECT_LT((uintptr_t)__builtin_frame_address(0), stackaddr, NULL);
  15         T_EXPECT_GT((uintptr_t)__builtin_frame_address(0), stackaddr - stacksize, NULL);
  16 }