2 * Check decoding of getcpu syscall.
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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32 #include <asm/unistd.h>
43 (unsigned *) tail_alloc(sizeof(* bogus_cpu)) + 1;
44 unsigned *bogus_node =
45 (unsigned *) tail_alloc(sizeof(* bogus_node)) + 1;
46 unsigned *bogus_tcache =
47 (unsigned *) tail_alloc(sizeof(* bogus_tcache)) + 1;
50 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned, cpu);
51 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned, node);
52 long * tcache = tail_alloc(128);
54 res = syscall(__NR_getcpu, NULL, NULL, NULL);
55 printf("getcpu(NULL, NULL, NULL) = %s\n", sprintrc(res));
57 res = syscall(__NR_getcpu, bogus_cpu, bogus_node, bogus_tcache);
58 printf("getcpu(%p, %p, %p) = %s\n",
59 bogus_cpu, bogus_node, bogus_tcache, sprintrc(res));
61 res = syscall(__NR_getcpu, cpu, node, tcache);
63 perror_msg_and_skip("getcpu");
65 printf("getcpu([%u], [%u], %p) = 0\n", *cpu, *node, tcache);
67 puts("+++ exited with 0 +++");
74 SKIP_MAIN_UNDEFINED("__NR_getcpu");