2 * Check decoding of getcpu syscall.
4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
5 * Copyright (c) 2016-2017 The strace developers.
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33 #include <asm/unistd.h>
44 (unsigned *) tail_alloc(sizeof(*bogus_cpu)) + 1;
45 unsigned *bogus_node =
46 (unsigned *) tail_alloc(sizeof(*bogus_node)) + 1;
47 unsigned *bogus_tcache =
48 (unsigned *) tail_alloc(sizeof(*bogus_tcache)) + 1;
51 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned, cpu);
52 TAIL_ALLOC_OBJECT_CONST_PTR(unsigned, node);
53 long *tcache = tail_alloc(128);
55 res = syscall(__NR_getcpu, NULL, NULL, NULL);
56 printf("getcpu(NULL, NULL, NULL) = %s\n", sprintrc(res));
58 res = syscall(__NR_getcpu, bogus_cpu, bogus_node, bogus_tcache);
59 printf("getcpu(%p, %p, %p) = %s\n",
60 bogus_cpu, bogus_node, bogus_tcache, sprintrc(res));
62 res = syscall(__NR_getcpu, cpu, node, tcache);
64 perror_msg_and_skip("getcpu");
66 printf("getcpu([%u], [%u], %p) = 0\n", *cpu, *node, tcache);
68 puts("+++ exited with 0 +++");
75 SKIP_MAIN_UNDEFINED("__NR_getcpu");