2 * Check decoding of getcpu syscall.
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
5 * Copyright (c) 2016-2017 The strace developers.
8 * SPDX-License-Identifier: GPL-2.0-or-later
13 #include <asm/unistd.h>
24 (unsigned *) tail_alloc(sizeof(*bogus_cpu)) + 1;
25 unsigned *bogus_node =
26 (unsigned *) tail_alloc(sizeof(*bogus_node)) + 1;
27 unsigned *bogus_tcache =
28 (unsigned *) tail_alloc(sizeof(*bogus_tcache)) + 1;
31 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned, cpu);
32 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned, node);
33 long *tcache = tail_alloc(128);
35 res = syscall(__NR_getcpu, NULL, NULL, NULL);
36 printf("getcpu(NULL, NULL, NULL) = %s\n", sprintrc(res));
38 res = syscall(__NR_getcpu, bogus_cpu, bogus_node, bogus_tcache);
39 printf("getcpu(%p, %p, %p) = %s\n",
40 bogus_cpu, bogus_node, bogus_tcache, sprintrc(res));
42 res = syscall(__NR_getcpu, cpu, node, tcache);
44 perror_msg_and_skip("getcpu");
46 printf("getcpu([%u], [%u], %p) = 0\n", *cpu, *node, tcache);
48 puts("+++ exited with 0 +++");
55 SKIP_MAIN_UNDEFINED("__NR_getcpu");