/* * Check decoding of fadvise64 syscall. * * Copyright (c) 2016 Eugene Syromyatnikov * Copyright (c) 2016 Dmitry V. Levin * Copyright (c) 2016-2021 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #include "scno.h" #ifdef __NR_fadvise64 # include "fadvise.h" static void do_fadvise(long fd, long long offset, long long llen, long advice) { long ret; const char *errstr; # if (LONG_MAX > INT_MAX) \ || (defined __x86_64__ && defined __ILP32__) \ || defined LINUX_MIPSN32 ret = syscall(__NR_fadvise64, fd, offset, llen, advice); errstr = sprintrc(ret); printf("fadvise64(%d, %lld, %llu, ", (int) fd, offset, llen); # elif defined LINUX_MIPSO32 ret = syscall(__NR_fadvise64, fd, 0, LL_VAL_TO_PAIR(offset), LL_VAL_TO_PAIR(llen), advice); errstr = sprintrc(ret); printf("fadvise64(%d, %lld, %lld, ", (int) fd, offset, llen); # else /* LONG_MAX == INT_MAX && !X32 && !LINUX_MIPSN32 */ long len = (long) llen; # if defined POWERPC ret = syscall(__NR_fadvise64, fd, 0, LL_VAL_TO_PAIR(offset), len, advice); # else ret = syscall(__NR_fadvise64, fd, LL_VAL_TO_PAIR(offset), len, advice); # endif errstr = sprintrc(ret); printf("fadvise64(%d, %lld, %lu, ", (int) fd, offset, len); # endif /* LONG_MAX == INT_MAX && !X32 && !LINUX_MIPSN32 */ printxval(advise, (unsigned) advice, "POSIX_FADV_???"); printf(") = %s\n", errstr); } #else SKIP_MAIN_UNDEFINED("__NR_fadvise64"); #endif