2050 #define SST SIZEOF_SIZE_T  macro
2053 #  define PYMEM_DEBUG_EXTRA_BYTES 4 * SST
2055 #  define PYMEM_DEBUG_EXTRA_BYTES 3 * SST
2066     for (i = SST; --i > 0; ++q)  in read_size_t()
2077     uint8_t *q = (uint8_t *)p + SST - 1;  in write_size_t()
2080     for (i = SST; --i >= 0; --q) {  in write_size_t()
2150     data = p + 2*SST;  in _PyMem_DebugRawAlloc()
2158     p[SST] = (uint8_t)api->api_id;  in _PyMem_DebugRawAlloc()
2159     memset(p + SST + 1, PYMEM_FORBIDDENBYTE, SST-1);  in _PyMem_DebugRawAlloc()
2167     memset(tail, PYMEM_FORBIDDENBYTE, SST);  in _PyMem_DebugRawAlloc()
2169     write_size_t(tail + SST, serialno);  in _PyMem_DebugRawAlloc()
2205     uint8_t *q = (uint8_t *)p - 2*SST;  /* address returned from malloc */  in _PyMem_DebugRawFree()
2236     head = data - 2*SST;  in _PyMem_DebugRawRealloc()
2246     size_t block_serialno = read_size_t(tail + SST);  in _PyMem_DebugRawRealloc()
2253         memset(data - 2 * SST, PYMEM_DEADBYTE,  in _PyMem_DebugRawRealloc()
2258         memset(head, PYMEM_DEADBYTE, ERASED_SIZE + 2 * SST);  in _PyMem_DebugRawRealloc()
2261                ERASED_SIZE + PYMEM_DEBUG_EXTRA_BYTES - 2 * SST);  in _PyMem_DebugRawRealloc()
2278     data = head + 2*SST;  in _PyMem_DebugRawRealloc()
2281     head[SST] = (uint8_t)api->api_id;  in _PyMem_DebugRawRealloc()
2282     memset(head + SST + 1, PYMEM_FORBIDDENBYTE, SST-1);  in _PyMem_DebugRawRealloc()
2285     memset(tail, PYMEM_FORBIDDENBYTE, SST);  in _PyMem_DebugRawRealloc()
2287     write_size_t(tail + SST, block_serialno);  in _PyMem_DebugRawRealloc()
2373     id = (char)q[-SST];  in _PyMem_DebugCheckAddress()
2386     for (i = SST-1; i >= 1; --i) {  in _PyMem_DebugCheckAddress()
2393     nbytes = read_size_t(q - 2*SST);  in _PyMem_DebugCheckAddress()
2395     for (i = 0; i < SST; ++i) {  in _PyMem_DebugCheckAddress()
2419     id = (char)q[-SST];  in _PyObject_DebugDumpAddress()
2422     nbytes = read_size_t(q - 2*SST);  in _PyObject_DebugDumpAddress()
2427     fprintf(stderr, "    The %d pad bytes at p-%d are ", SST-1, SST-1);  in _PyObject_DebugDumpAddress()
2429     for (i = 1; i <= SST-1; ++i) {  in _PyObject_DebugDumpAddress()
2440         for (i = SST-1; i >= 1; --i) {  in _PyObject_DebugDumpAddress()
2455     fprintf(stderr, "    The %d pad bytes at tail=%p are ", SST, (void *)tail);  in _PyObject_DebugDumpAddress()
2457     for (i = 0; i < SST; ++i) {  in _PyObject_DebugDumpAddress()
2468         for (i = 0; i < SST; ++i) {  in _PyObject_DebugDumpAddress()
2479     size_t serial = read_size_t(tail + SST);  in _PyObject_DebugDumpAddress()