/* Test case for early TLS initialization in dynamic linker. */ #include #include #include #define MAGIC1 0xabcdef72 #define MAGIC2 0xd8675309 static __thread unsigned int magic[] = { MAGIC1, MAGIC2 }; #undef calloc /* This calloc definition will be called by the dynamic linker itself. We test that it has initialized our TLS block by the time it does so. */ void * calloc (size_t n, size_t m) { if (magic[0] != MAGIC1 || magic[1] != MAGIC2) { printf ("{%x, %x} != {%x, %x}\n", magic[0], magic[1], MAGIC1, MAGIC2); abort (); } magic[0] = MAGIC2; magic[1] = MAGIC1; n *= m; void *ptr = malloc (n); if (ptr != NULL) memset (ptr, '\0', n); return ptr; } int main (void) { if (magic[1] != MAGIC1 || magic[0] != MAGIC2) { printf ("{%x, %x} != {%x, %x}\n", magic[0], magic[1], MAGIC2, MAGIC1); return 1; } return 0; }