1  /* Test THREAD_SETMEM and THREAD_SETMEM_NC for IMM64.
       2     Copyright (C) 2021-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <tls.h>
      20  #include <support/check.h>
      21  
      22  static int
      23  do_test (void)
      24  {
      25    unsigned long long int saved_ssp_base, ssp_base;
      26    saved_ssp_base = THREAD_GETMEM (THREAD_SELF, header.ssp_base);
      27  
      28    THREAD_SETMEM (THREAD_SELF, header.ssp_base, (1ULL << 57) - 1);
      29    ssp_base = THREAD_GETMEM (THREAD_SELF, header.ssp_base);
      30    if (ssp_base != ((1ULL << 57) - 1))
      31      FAIL_EXIT1 ("THREAD_SETMEM: 0x%llx != 0x%llx",
      32  		ssp_base, (1ULL << 57) - 1);
      33  
      34    THREAD_SETMEM (THREAD_SELF, header.ssp_base, -1ULL);
      35    ssp_base = THREAD_GETMEM (THREAD_SELF, header.ssp_base);
      36    if (ssp_base != -1ULL)
      37      FAIL_EXIT1 ("THREAD_SETMEM: 0x%llx != 0x%llx", ssp_base, -1ULL);
      38  
      39    THREAD_SETMEM (THREAD_SELF, header.ssp_base, saved_ssp_base);
      40  #ifndef __ILP32__
      41    struct pthread_key_data *saved_specific, *specific;
      42    saved_specific = THREAD_GETMEM_NC (THREAD_SELF, specific, 1);
      43  
      44    uintptr_t value = (1UL << 57) - 1;
      45    THREAD_SETMEM_NC (THREAD_SELF, specific, 1,
      46  		    (struct pthread_key_data *) value);
      47    specific = THREAD_GETMEM_NC (THREAD_SELF, specific, 1);
      48    if (specific != (struct pthread_key_data *) value)
      49      FAIL_EXIT1 ("THREAD_GETMEM_NC: %p != %p",
      50  		specific, (struct pthread_key_data *) value);
      51  
      52    THREAD_SETMEM_NC (THREAD_SELF, specific, 1,
      53  		    (struct pthread_key_data *) -1UL);
      54    specific = THREAD_GETMEM_NC (THREAD_SELF, specific, 1);
      55    if (specific != (struct pthread_key_data *) -1UL)
      56      FAIL_EXIT1 ("THREAD_GETMEM_NC: %p != %p",
      57  		specific, (struct pthread_key_data *) -1UL);
      58  
      59    THREAD_SETMEM_NC (THREAD_SELF, specific, 1, saved_specific);
      60  #endif
      61    return 0;
      62  }
      63  
      64  #include <support/test-driver.c>