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8a46bf41e5
Rewriting the cpuset macros test to cover more use cases and port the tests to the new test infrastructure. The use cases include bad actor access attempts, before and after the CPU set structure. Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@redhat.com>
63 lines
2.8 KiB
C
63 lines
2.8 KiB
C
/* Test that CPU_* macros comply with their specifications.
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Copyright (C) 2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <support/next_to_fault.h>
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#define LOCAL_NUM_CPUS 2048
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#define LOCAL_CPU_SETSIZE LOCAL_NUM_CPUS / 8
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#define PREPARE_CPU_SET(X) \
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X = CPU_ALLOC (LOCAL_NUM_CPUS);
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/* Create a mapping so that access to the page before the cpuset generates a
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fault. The aim is to check the behavior for negative values since the
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interface accepts signed int. */
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#define PREPARE_CPU_SET_TO_FAULT_BEFORE(X) \
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size_t local_sz_##X = CPU_ALLOC_SIZE(LOCAL_NUM_CPUS); \
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struct support_next_to_fault local_##X = support_next_to_fault_allocate_before(local_sz_##X); \
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X = (cpu_set_t *) local_##X.buffer;
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/* Create a mapping so that access to the page after the cpuset generates a
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fault. The aim is to check the behavior for values above CPU count since the
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interface accepts signed int. */
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#define PREPARE_CPU_SET_TO_FAULT(X) \
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size_t local_sz_##X = CPU_ALLOC_SIZE(LOCAL_NUM_CPUS); \
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struct support_next_to_fault local_##X = support_next_to_fault_allocate(local_sz_##X); \
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X = (cpu_set_t *) local_##X.buffer;
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#define GET_SIZE() (size_t) CPU_ALLOC_SIZE(LOCAL_NUM_CPUS)
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#define LOCAL_CPU_ZERO(sz, cpusetp) CPU_ZERO_S(sz, cpusetp)
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#define LOCAL_CPU_SET(cpu, sz, cpusetp) CPU_SET_S(cpu, sz, cpusetp)
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#define LOCAL_CPU_CLR(cpu, sz, cpusetp) CPU_CLR_S(cpu, sz, cpusetp)
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#define LOCAL_CPU_ISSET(cpu, sz, cpusetp) CPU_ISSET_S(cpu, sz, cpusetp)
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#define LOCAL_CPU_COUNT(sz, cpusetp) CPU_COUNT_S(sz, cpusetp)
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#define LOCAL_CPU_AND(sz, destsetp, srcsetp1, srcsetp2) \
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CPU_AND_S(sz, destsetp, srcsetp1, srcsetp2)
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#define LOCAL_CPU_OR(sz, destsetp, srcsetp1, srcsetp2) \
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CPU_OR_S(sz, destsetp, srcsetp1, srcsetp2)
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#define LOCAL_CPU_XOR(sz, destsetp, srcsetp1, srcsetp2) \
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CPU_XOR_S(sz, destsetp, srcsetp1, srcsetp2)
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#define LOCAL_CPU_EQUAL(sz, setp1, setp2) CPU_EQUAL_S(sz, setp1, setp2)
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#define CLEAN_CPU_SET(cpusetp) CPU_FREE(cpusetp)
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#define CLEAN_CPU_SET_TO_FAULT_BEFORE(X) support_next_to_fault_free(&local_##X)
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#define CLEAN_CPU_SET_TO_FAULT(X) support_next_to_fault_free(&local_##X)
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#include "tst-cpuset-skeleton.c"
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