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/*
* Check decoding of getcpu syscall.
*
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
* Copyright (c) 2016-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <asm/unistd.h>
#ifdef __NR_getcpu
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
unsigned *bogus_cpu =
(unsigned *) tail_alloc(sizeof(*bogus_cpu)) + 1;
unsigned *bogus_node =
(unsigned *) tail_alloc(sizeof(*bogus_node)) + 1;
unsigned *bogus_tcache =
(unsigned *) tail_alloc(sizeof(*bogus_tcache)) + 1;
long res;
TAIL_ALLOC_OBJECT_CONST_PTR(unsigned, cpu);
TAIL_ALLOC_OBJECT_CONST_PTR(unsigned, node);
long *tcache = tail_alloc(128);
res = syscall(__NR_getcpu, NULL, NULL, NULL);
printf("getcpu(NULL, NULL, NULL) = %s\n", sprintrc(res));
res = syscall(__NR_getcpu, bogus_cpu, bogus_node, bogus_tcache);
printf("getcpu(%p, %p, %p) = %s\n",
bogus_cpu, bogus_node, bogus_tcache, sprintrc(res));
res = syscall(__NR_getcpu, cpu, node, tcache);
if (res != 0)
perror_msg_and_skip("getcpu");
printf("getcpu([%u], [%u], %p) = 0\n", *cpu, *node, tcache);
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_getcpu");
#endif
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