1  /*
       2   * Check decoding of fadvise64 syscall.
       3   *
       4   * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
       5   * Copyright (c) 2016 Dmitry V. Levin <ldv@strace.io>
       6   * Copyright (c) 2016-2021 The strace developers.
       7   * All rights reserved.
       8   *
       9   * SPDX-License-Identifier: GPL-2.0-or-later
      10   */
      11  
      12  #include "tests.h"
      13  
      14  #include "scno.h"
      15  
      16  #ifdef __NR_fadvise64
      17  
      18  # include "fadvise.h"
      19  
      20  static void
      21  do_fadvise(long fd, long long offset, long long llen, long advice)
      22  {
      23  	long ret;
      24  	const char *errstr;
      25  
      26  # if (LONG_MAX > INT_MAX) \
      27    || (defined __x86_64__ && defined __ILP32__) \
      28    || defined LINUX_MIPSN32
      29  	ret = syscall(__NR_fadvise64, fd, offset, llen, advice);
      30  	errstr = sprintrc(ret);
      31  	printf("fadvise64(%d, %lld, %llu, ", (int) fd, offset, llen);
      32  # elif defined LINUX_MIPSO32
      33  	ret = syscall(__NR_fadvise64, fd, 0,
      34  		      LL_VAL_TO_PAIR(offset), LL_VAL_TO_PAIR(llen), advice);
      35  	errstr = sprintrc(ret);
      36  	printf("fadvise64(%d, %lld, %lld, ", (int) fd, offset, llen);
      37  # else /* LONG_MAX == INT_MAX && !X32 && !LINUX_MIPSN32 */
      38  	long len = (long) llen;
      39  #  if defined POWERPC
      40  	ret = syscall(__NR_fadvise64, fd, 0,
      41  		      LL_VAL_TO_PAIR(offset), len, advice);
      42  #  else
      43  	ret = syscall(__NR_fadvise64, fd,
      44  		      LL_VAL_TO_PAIR(offset), len, advice);
      45  #  endif
      46  	errstr = sprintrc(ret);
      47  	printf("fadvise64(%d, %lld, %lu, ", (int) fd, offset, len);
      48  # endif /* LONG_MAX == INT_MAX && !X32 && !LINUX_MIPSN32 */
      49  	printxval(advise, (unsigned) advice, "POSIX_FADV_???");
      50  	printf(") = %s\n", errstr);
      51  }
      52  
      53  #else
      54  
      55  SKIP_MAIN_UNDEFINED("__NR_fadvise64");
      56  
      57  #endif