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77 lines
2.5 KiB
77 lines
2.5 KiB
/* |
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* Check decoding of getcpu syscall. |
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* |
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* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com> |
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* Copyright (c) 2016-2017 The strace developers. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "tests.h" |
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#include <asm/unistd.h> |
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#ifdef __NR_getcpu |
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# include <stdio.h> |
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# include <unistd.h> |
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int |
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main(void) |
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{ |
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unsigned *bogus_cpu = |
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(unsigned *) tail_alloc(sizeof(*bogus_cpu)) + 1; |
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unsigned *bogus_node = |
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(unsigned *) tail_alloc(sizeof(*bogus_node)) + 1; |
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unsigned *bogus_tcache = |
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(unsigned *) tail_alloc(sizeof(*bogus_tcache)) + 1; |
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long res; |
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TAIL_ALLOC_OBJECT_CONST_PTR(unsigned, cpu); |
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TAIL_ALLOC_OBJECT_CONST_PTR(unsigned, node); |
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long *tcache = tail_alloc(128); |
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res = syscall(__NR_getcpu, NULL, NULL, NULL); |
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printf("getcpu(NULL, NULL, NULL) = %s\n", sprintrc(res)); |
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res = syscall(__NR_getcpu, bogus_cpu, bogus_node, bogus_tcache); |
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printf("getcpu(%p, %p, %p) = %s\n", |
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bogus_cpu, bogus_node, bogus_tcache, sprintrc(res)); |
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res = syscall(__NR_getcpu, cpu, node, tcache); |
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if (res != 0) |
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perror_msg_and_skip("getcpu"); |
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printf("getcpu([%u], [%u], %p) = 0\n", *cpu, *node, tcache); |
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puts("+++ exited with 0 +++"); |
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return 0; |
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} |
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#else |
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SKIP_MAIN_UNDEFINED("__NR_getcpu"); |
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#endif
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